CN213062313U - Prefabricated pig house excrement ditch of assembled prestressed concrete - Google Patents
Prefabricated pig house excrement ditch of assembled prestressed concrete Download PDFInfo
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- CN213062313U CN213062313U CN202021322208.2U CN202021322208U CN213062313U CN 213062313 U CN213062313 U CN 213062313U CN 202021322208 U CN202021322208 U CN 202021322208U CN 213062313 U CN213062313 U CN 213062313U
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Abstract
The utility model discloses an assembled prestressed concrete prefabricated pig house dung ditch, which consists of a plurality of left end right-angle prefabricated dung ditch side plates 1, a plurality of right end right-angle prefabricated dung ditch side plates 2, a plurality of middle right-angle prefabricated dung ditch side plates 3, a plurality of end prefabricated dung ditch bottom plates 4, a plurality of middle prefabricated dung ditch bottom plates 5, a plurality of reinforced concrete supporting upright posts 6, a reinforced concrete through-length lintel 7 and non-shrinkage impermeable concrete 8; the left-end right-angle prefabricated dung ditch side plate 1, the right-end right-angle prefabricated dung ditch side plate 2 and the middle right-angle prefabricated dung ditch side plate 3 are symmetrically arranged on two sides, the end prefabricated dung ditch bottom plate 4 and the middle prefabricated dung ditch bottom plate 5 are arranged in the middle, each reinforced concrete supporting upright post 6 is uniformly arranged on a central line, the reinforced concrete through-length lintel 7 is arranged on a plurality of reinforced concrete supporting upright posts 6, and the non-shrinkage seepage-proofing concrete 8 is arranged in a groove formed by butting two step notches 15.
Description
Technical Field
The utility model relates to an assembled prestressed concrete prefabricated pig house dung ditch, in particular to an assembled prestressed concrete prefabricated dung ditch adopted by the construction of livestock farm houses; belongs to the field of energy-saving buildings and assembled prestressed precast concrete component products in the animal husbandry industry.
Background
The rapid development of animal husbandry, small-scale open-air animal husbandry farms have been eliminated and replaced by the pig house breeding of the modernized heat-preservation and energy-saving building with super large scale, and the modernized energy-saving animal husbandry building is required to be provided with a dung ditch; the excrement ditch is generally positioned below the ground of a pig house, an excrement leaking plate is arranged above the excrement ditch, excrement produced by live pigs and sewage produced by flushing pig excrement and urine enter the excrement ditch below the excrement ditch through strip-shaped holes of the excrement leaking plate. The traditional concrete manure pit making method comprises the following steps: 1) leveling a foundation, and erecting a template on the foundation; 2) arranging reinforcing steel bars in the template; 3) pouring concrete, and curing for 14 days; 4) disassembling the template; 5) cleaning sundries on the inner side of the pouring manure pit and repairing the defective concrete part. There are a lot of problems in traditional pig house excrement ditch site operation: 1) the construction speed is slow, the foundation is cleaned, the template is supported, the reinforcing steel bars are bound, the concrete is mixed, the concrete is poured, the template is disassembled, residues on the inner side surface of the concrete excrement ditch are cleaned, and a large amount of time is needed, and the construction period is further prolonged if the construction is in rainy days; 2) quality problems often occur in construction, such as inconsistent inner side sizes, high and low and uneven inner side of the piggery excrement ditch, which are not beneficial to mechanical excrement cleaning; 3) the manure ditch of the piggery is settled and cracked, so that the manure water leaks into underground soil, and the underground water is seriously polluted; 4) the reinforced concrete dung ditch manufactured on site has high maintenance difficulty, long maintenance time, high maintenance cost, short service life and too narrow dung ditch, and is not beneficial to ventilation; 5) the method can not be suitable for the requirements of multi-layer energy-saving pig house building on the pig house dung channel, and the pouring of the dung channel layer by layer on site has the advantages of long construction period, high cost, poor quality and short service life. In order to solve the problems, an assembled prestressed concrete prefabricated pigsty manure pit with high construction speed, easy cleaning, no leakage, no maintenance and the same service life needs to be designed, and becomes a subject in the field of concrete environment-friendly components in the animal husbandry energy-saving building industry.
The utility model discloses try to design an assembled prestressed concrete prefabricated pig house excrement ditch, will replace traditional on-the-spot preparation reinforced concrete pig house excrement ditch, overcome technical defect and the quality defect that the pig house excrement ditch of above-mentioned on-the-spot preparation exists, reduced building cost and maintenance cost, have the mill prefabrication, the steady quality, construction installation rate is fast, easy cleanness, no seepage, non-maintaining, with the characteristics in heat preservation energy saving pig house with the life-span.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming technical defect and the quality defect that the on-the-spot preparation reinforced concrete dung ditch in the energy-conserving building house of above-mentioned modern poultry exists, provide an assembled prestressed concrete prefabricated pig house dung ditch, will replace traditional on-the-spot preparation reinforced concrete pig house dung ditch, reduced construction cost and maintenance cost, it is prefabricated to have the mill, the steady quality, the construction installation rate is fast, easy cleanness, no seepage, non-maintaining, the usage is wide, with the same characteristics in life-span of heat preservation energy-saving pig house.
The technical scheme of the utility model is realized like this: an assembled prestressed concrete prefabricated pig house dung ditch is composed of a plurality of left-end right-angle prefabricated dung ditch side plates 1, a plurality of right-end right-angle prefabricated dung ditch side plates 2, a plurality of middle right-angle prefabricated dung ditch side plates 3, a plurality of end prefabricated dung ditch bottom plates 4, a plurality of middle prefabricated dung ditch bottom plates 5, a plurality of reinforced concrete supporting upright posts 6, a reinforced concrete through-length lintel 7 and non-shrinkage impermeable concrete 8;
the left-end right-angle prefabricated dung trench side plate 1 is composed of a left-end concrete vertical plate 10, a left-end concrete bottom plate 11, a plurality of prestressed concrete bearing beams 12, an upper-layer right-angle reinforcing steel bar net rack 13, a lower-layer right-angle reinforcing steel bar net rack 14 and a plurality of stepped notches 15; the right end of the left concrete vertical plate 10 is provided with the step notch 15, and the left concrete vertical plate 10 is positioned right above one side of the left concrete bottom plate 11, is vertical to each other and has equal length; the right end of the left end concrete bottom plate 11 is provided with the step notch 15, and the other end of the left end concrete bottom plate 11, which corresponds to the left end concrete vertical plate 10, is provided with the step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the left end concrete bottom plate 11, and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the upper-layer right-angle reinforcing steel bar net rack 13 and the lower-layer right-angle reinforcing steel bar net rack 14 are arranged in the left-end right-angle prefabricated dung ditch side plate 1, and the upper-layer right-angle reinforcing steel bar net rack 13 is composed of a plurality of longitudinal reinforcing steel bars 130, a plurality of right-angle transverse reinforcing steel bars 131 and a plurality of connecting reinforcing steel bars 132 which are mutually welded and connected; the lower-layer right-angle steel bar net rack 14 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a U-shaped channel steel frame 140, and is mutually welded and connected, the upper-layer right-angle steel bar net rack 13 is positioned on the lower-layer right-angle steel bar net rack 14 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bars 130 or the right-angle transverse steel bars 131 of the upper-layer right-angle steel bar net rack 13 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is less than the width of the step gap 15; the left end concrete vertical plate 10, the left end concrete bottom plate 11 and the plurality of prestressed concrete bearing beams 12 are integrally prefabricated and molded;
the right-end right-angle prefabricated dung trench side plate 2 is composed of a right-end concrete vertical plate 20, a right-end concrete bottom plate 21, a plurality of prestressed concrete bearing beams 12, an upper-layer right-angle reinforcing steel bar net rack 13, a lower-layer right-angle reinforcing steel bar net rack 14 and a plurality of stepped notches 15; the left end of the right concrete upright plate 20 is provided with the step notch 15, and the right concrete upright plate 20 is positioned right above one side of the right concrete bottom plate 21, is vertical to each other and has equal length; the left end of the right concrete bottom plate 21 is provided with the step notch 15, and the other end of the right concrete bottom plate 21, which corresponds to the right concrete upright plate 20, is provided with the step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the right concrete bottom plate 21, and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the right-angle prefabricated dung ditch side plate 2 at the right end is internally provided with the upper right-angle reinforcing steel bar net rack 13 and the lower right-angle reinforcing steel bar net rack 14, and the upper right-angle reinforcing steel bar net rack 13 consists of a plurality of longitudinal reinforcing steel bars 130, a plurality of right-angle transverse reinforcing steel bars 131 and a plurality of connecting reinforcing steel bars 132 which are mutually welded and connected; the lower-layer right-angle steel bar net rack 14 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a U-shaped channel steel frame 140, and is mutually welded and connected, the upper-layer right-angle steel bar net rack 13 is positioned on the lower-layer right-angle steel bar net rack 14 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bars 130 or the right-angle transverse steel bars 131 of the upper-layer right-angle steel bar net rack 13 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is less than the width of the step gap 15; the right concrete vertical plate 20, the right concrete bottom plate 21 and the plurality of prestressed concrete bearing beams 12 are integrally prefabricated and molded;
the middle right-angle prefabricated dung ditch side plate 3 consists of a middle concrete vertical plate 30, a middle concrete bottom plate 31, a plurality of prestressed concrete bearing beams 12, an upper layer right-angle reinforcing steel bar net rack 13, a lower layer right-angle reinforcing steel bar net rack 14 and a plurality of step notches 15; the left end and the right end of the middle concrete upright plate 30 are respectively provided with the step notches 15, the middle concrete upright plate 30 is positioned right above one side of the middle concrete bottom plate 31, the middle concrete upright plate 30 is vertical to the middle concrete bottom plate 31, the length of the middle concrete upright plate is equal to that of the middle concrete bottom plate, the left end and the right end of the middle concrete bottom plate 31 are respectively provided with the step notches 15, and one end of the middle concrete bottom plate 31, which corresponds to the middle concrete upright plate 30, is provided with the step notches 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the middle concrete bottom plate 31, and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the upper right-angle steel bar net rack 13 and the lower right-angle steel bar net rack 14 are arranged in the middle right-angle prefabricated dung ditch side plate 3, and the upper right-angle steel bar net rack 13 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a plurality of connecting steel bars 132 which are mutually welded and connected; the lower-layer right-angle steel bar net rack 14 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars (131) and a U-shaped channel steel frame 140, and the longitudinal steel bars, the right-angle transverse steel bars and the U-shaped channel steel frame are mutually welded and connected, and the upper-layer right-angle steel bar net rack 13 is positioned on the lower-layer right-angle steel bar net rack 14 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid; the longitudinal steel bars 130 or the right-angle transverse steel bars 131 of the upper-layer right-angle steel bar net rack 13 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is less than the width of the step gap 15; the middle concrete vertical plate 30, the middle concrete bottom plate 31 and the plurality of prestressed concrete bearing beams 12 are integrally prefabricated and molded;
the end prefabricated dung ditch bottom plate 4 consists of an end supporting upright post mounting groove 40, an upper layer reinforcing steel bar net rack 41, a lower layer reinforcing steel bar net rack 42, a plurality of prestressed concrete bearing beams 12 and a plurality of step notches 15; the end part supporting upright post mounting groove 40 is positioned at the center of one end of the upper surface of the end part prefabricated excrement ditch bottom plate 4, two ends of the upper surface of the end part prefabricated excrement ditch bottom plate 4 are respectively provided with a step notch 15, and one end corresponding to the end part supporting upright post mounting groove 40 is provided with a step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the end prefabricated manure pit bottom plate 4, and the lengths of the prestressed concrete bearing beams are equal; the upper layer steel bar net rack 41 and the lower layer steel bar net rack 42 are arranged in the end part prefabricated dung ditch bottom plate 4, the upper layer steel bar net rack 41 consists of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a plurality of connecting steel bars 132, and the longitudinal steel bars, the transverse steel bars and the connecting steel bars are mutually welded and connected; the lower steel bar net rack 42 is composed of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a channel steel square frame 44, and the longitudinal steel bars, the transverse steel bars and the channel steel square frame are welded and connected with each other, the upper steel bar net rack 41 is positioned on the lower steel bar net rack 42 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bar 130 or the transverse steel bar 43 of the upper-layer steel bar net rack 41 positioned at the step gap 15 should extend out of the step gap 15, and the extending length of the longitudinal steel bar 130 or the transverse steel bar 43 is less than the width of the step gap 15; the end prefabricated dung ditch bottom plate 4, the end supporting upright post mounting groove 40 positioned above the end prefabricated dung ditch bottom plate and a plurality of prestressed concrete bearing beams 12 positioned below the end prefabricated dung ditch bottom plate are integrally prefabricated and formed;
the middle prefabricated dung ditch bottom plate 5 consists of an upper layer reinforcing steel bar net rack 41, a lower layer reinforcing steel bar net rack 42, a plurality of prestressed concrete bearing beams 12 and a plurality of step notches 15; step gaps 15 are respectively arranged at the front, the rear, the left and the right ends of the upper surface of the middle prefabricated dung ditch bottom plate 5, and a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the middle prefabricated dung ditch bottom plate 5 and have the same length; the upper layer steel bar net rack 41 and the lower layer steel bar net rack 42 are arranged in the middle prefabricated dung ditch bottom plate 5, the upper layer steel bar net rack 41 consists of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a plurality of connecting steel bars 132, and the longitudinal steel bars, the transverse steel bars and the connecting steel bars are mutually welded and connected; the lower steel bar net rack 42 is composed of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a channel steel square frame 44, and the longitudinal steel bars, the transverse steel bars and the channel steel square frame are welded and connected with each other, the upper steel bar net rack 41 is positioned on the lower steel bar net rack 42 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal reinforcing steel bars 130 and the transverse reinforcing steel bars 43 of the upper-layer reinforcing steel bar net rack 41 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal reinforcing steel bars and the transverse reinforcing steel bars is less than the width of the step gap 15; the middle prefabricated dung ditch bottom plate 5 and a plurality of prestressed concrete bearing beams 12 below the middle prefabricated dung ditch bottom plate are integrally prefabricated and formed;
the heights of the left concrete vertical plate 10, the right concrete vertical plate 20 and the middle concrete vertical plate 30 are equal; the upper surfaces of the left end concrete bottom plate 11, the right end concrete bottom plate 21, the middle concrete bottom plate 31, the end prefabricated excrement ditch bottom plate 4 and the middle prefabricated excrement ditch bottom plate 5 are all positioned in the same plane;
the reinforced concrete support upright 6 is a reinforced concrete cube, the width of the reinforced concrete support upright is equal to the width of the reinforced concrete through-length lintel 7 positioned above the reinforced concrete support upright, and the sum of the height of the reinforced concrete through-length lintel 7 positioned above the reinforced concrete support upright and the height of the reinforced concrete through-length lintel 7 is equal to the height of the left-end right-angle prefabricated dung ditch side plate 1, the height of the right-end right-angle prefabricated dung ditch side plate 2 or the height of the middle right-angle prefabricated dung ditch side plate 3; the reinforced concrete supporting upright posts 6 positioned at the two ends are inserted into the end part supporting upright post mounting grooves 40 of the end part prefabricated dung ditch bottom plate 4, are mutually vertical to the end part prefabricated dung ditch bottom plate 4, and are equal to and parallel to the left end concrete upright plate 10 and the right end concrete upright plate 20 which are positioned at the two sides of the end part prefabricated dung ditch bottom plate; the plurality of reinforced concrete support columns 6 are uniformly positioned in the grooves formed by butting the two step notches 15 and are parallel to each other and are also vertical to the upper surfaces of the end prefabricated dung ditch bottom plates 4 or the middle prefabricated dung ditch bottom plate 5;
the reinforced concrete through-length lintel 7 is of a reinforced concrete hexahedral structure and is positioned right above the plurality of reinforced concrete supporting upright posts 6, and the upper surfaces of the reinforced concrete through-length lintel and the upper surfaces of the plurality of left-end right-angle prefabricated dung ditch side plates 1, the plurality of right-end right-angle prefabricated dung ditch side plates 2 and the plurality of middle right-angle prefabricated dung ditch side plates 3 positioned on the two sides of the reinforced concrete through-length lintel are in the same plane;
an assembled prestressed concrete prefabricated pigsty manure pit is characterized in that longitudinal steel bars 130, right-angle transverse steel bars 131 and transverse steel bars 43 in a groove formed by butting two step notches 15 are mutually lapped, the lapping length is not more than two widths of the step notches 15, and welding treatment is carried out; and in a groove formed by butting the two step notches 15, casting the non-shrinkage impermeable concrete 8 in situ, wherein the upper surface of the non-shrinkage impermeable concrete and the upper surfaces of the precast concretes at the two sides are in the same plane.
Description of the drawings:
fig. 1 is a perspective view of the assembly structure of the present invention;
fig. 2 is a schematic perspective view of the mutual positions and the assembly structure of a left-end right-angle prefabricated dung trench side plate 1, a right-end right-angle prefabricated dung trench side plate 2, a middle right-angle prefabricated dung trench side plate 3, an end prefabricated dung trench bottom plate 4, a middle prefabricated dung trench bottom plate 5 and a prefabricated concrete structure beam 9 of the utility model;
fig. 3 is a schematic perspective view of the mutual positions and the assembly structure of the left-end right-angle prefabricated dung trench side plate 1, the right-end right-angle prefabricated dung trench side plate 2, the middle right-angle prefabricated dung trench side plate 3, the end prefabricated dung trench bottom plate 4, the middle prefabricated dung trench bottom plate 5, the reinforced concrete supporting upright 6, the reinforced concrete through-growth lintel 7 and the prefabricated concrete structure girder 9 of the utility model;
fig. 4 is a schematic perspective view of the mutual positions and the assembly structure of the left-end right-angle prefabricated dung trench side plate 1, the right-end right-angle prefabricated dung trench side plate 2, the middle right-angle prefabricated dung trench side plate 3, the end prefabricated dung trench bottom plate 4, the middle prefabricated dung trench bottom plate 5, the reinforced concrete supporting upright 6, the reinforced concrete through-growth lintel 7, the non-shrinkage impermeable concrete 8 and the prefabricated concrete structure girder 9 of the utility model;
fig. 5 is a schematic top view of fig. 2 according to the present invention;
fig. 6 is a schematic top view of fig. 4 according to the present invention;
fig. 7 is a schematic top view of fig. 1 according to the present invention;
fig. 8 is a schematic perspective view of the left-end right-angle prefabricated dung trench side plate 1 of the present invention;
fig. 9 is a schematic perspective view of the right-end right-angle prefabricated dung trench side plate 2 of the utility model;
fig. 10 is a schematic perspective view of the middle right-angle prefabricated dung trench side plate 3 of the present invention;
fig. 11 is a schematic perspective view of the structural assembly of the end prefabricated dung trench bottom plate 4 of the present invention;
fig. 12 is a schematic perspective view of the middle prefabricated dung trench bottom plate 5 of the present invention;
fig. 13 is a schematic perspective view of the structure of the upper reinforcing steel bar net rack 41 of the present invention;
fig. 14 is a perspective view of the structure of the lower steel bar net rack 42 of the present invention;
fig. 15 is a schematic perspective view of the structure of the upper right-angle steel bar net 13 of the present invention;
fig. 16 is a schematic perspective view of the structure of the lower right-angle steel bar net rack 14 of the present invention;
fig. 17 is a schematic perspective view of a reinforced concrete support column 6 according to the present invention;
fig. 18 is a perspective view of the reinforced concrete lintel 7 of the present invention.
In the figure:
1 is a left-end right-angle prefabricated excrement ditch side plate
10 is a left end concrete vertical plate
11 is a left end concrete bottom plate
12 is prestressed concrete spandrel girder
13 is an upper right-angle steel bar net rack
130 is a longitudinal steel bar
131 is right-angle transverse reinforcing steel bar
132 is a connecting reinforcement
14 is a lower layer right angle steel bar net rack
140 is a U-shaped channel steel frame
15 is a step gap
16 is a concrete dropping board
2 right-angled prefabricated excrement trench side plate
20 is a right concrete vertical plate
21 is a right end concrete bottom plate
3 is a middle right-angle prefabricated excrement ditch side plate
30 is a middle concrete vertical plate
31 is a middle concrete bottom plate
4 is prefabricated excrement ditch bottom plate of tip
40 is an end supporting upright column mounting groove
41 is an upper reinforcing steel bar net rack
42 is a lower layer steel bar net rack
43 is a transverse reinforcing bar
44 is a channel steel square frame
5 is a middle prefabricated excrement ditch bottom plate
6 is reinforced concrete support column
7 is a reinforced concrete through-length lintel
8 is non-shrinkage seepage-proofing concrete
9 is a precast concrete structure beam
Detailed Description
The present invention is realized as follows, and is further explained with reference to the attached drawings 1 to 18: the utility model discloses an assembled prestressed concrete prefabricated pig house dung ditch, which consists of a plurality of left end right-angle prefabricated dung ditch side plates 1, a plurality of right end right-angle prefabricated dung ditch side plates 2, a plurality of middle right-angle prefabricated dung ditch side plates 3, a plurality of end prefabricated dung ditch bottom plates 4, a plurality of middle prefabricated dung ditch bottom plates 5, a plurality of reinforced concrete supporting upright posts 6, a reinforced concrete through-length lintel 7 and non-shrinkage impermeable concrete 8;
the left-end right-angle prefabricated dung trench side plate 1 is composed of a left-end concrete vertical plate 10, a left-end concrete bottom plate 11, a plurality of prestressed concrete bearing beams 12, an upper-layer right-angle reinforcing steel bar net rack 13, a lower-layer right-angle reinforcing steel bar net rack 14 and a plurality of stepped notches 15; the right end of the left concrete vertical plate 10 is provided with the step notch 15, and the left concrete vertical plate 10 is positioned right above one side of the left concrete bottom plate 11, is vertical to each other and has equal length; the right end of the left end concrete bottom plate 11 is provided with the step notch 15, and the other end of the left end concrete bottom plate 11, which corresponds to the left end concrete vertical plate 10, is provided with the step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the left end concrete bottom plate 11, and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the upper right-angle steel bar net rack 13 and the lower right-angle steel bar net rack 14 are arranged in the left right-angle prefabricated dung ditch side plate 1, and the upper right-angle steel bar net rack 13 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a plurality of connecting steel bars 132 which are mutually welded and connected; the lower-layer right-angle steel bar net rack 14 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a U-shaped channel steel frame 140, and is mutually welded and connected, the upper-layer right-angle steel bar net rack 13 is positioned on the lower-layer right-angle steel bar net rack 14 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bars 130 or the right-angle transverse steel bars 131 of the upper-layer right-angle steel bar net rack 13 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is less than the width of the step gap 15; the left end concrete vertical plate 10, the left end concrete bottom plate 11 and the plurality of prestressed concrete bearing beams 12 are integrally prefabricated and molded;
the right-end right-angle prefabricated dung trench side plate 2 is composed of a right-end concrete vertical plate 20, a right-end concrete bottom plate 21, a plurality of prestressed concrete bearing beams 12, an upper-layer right-angle reinforcing steel bar net rack 13, a lower-layer right-angle reinforcing steel bar net rack 14 and a plurality of stepped notches 15; the left end of the right concrete upright plate 20 is provided with the step notch 15, and the right concrete upright plate 20 is positioned right above one side of the right concrete bottom plate 21, is vertical to each other and has equal length; the left end of the right concrete bottom plate 21 is provided with the step notch 15, and the other end of the right concrete bottom plate 21, which corresponds to the right concrete upright plate 20, is provided with the step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the right concrete bottom plate 21, and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the right-angle prefabricated dung ditch side plate 2 is internally provided with the upper-layer right-angle reinforcing steel bar net rack 13 and the lower-layer right-angle reinforcing steel bar net rack 14, and the upper-layer right-angle reinforcing steel bar net rack 13 consists of a plurality of longitudinal reinforcing steel bars 130, a plurality of right-angle transverse reinforcing steel bars 131 and a plurality of connecting reinforcing steel bars 132 which are mutually welded and connected; the lower-layer right-angle steel bar net rack 14 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a U-shaped channel steel frame 140, and is mutually welded and connected, the upper-layer right-angle steel bar net rack 13 is positioned on the lower-layer right-angle steel bar net rack 14 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bars 130 or the right-angle transverse steel bars 131 of the upper-layer right-angle steel bar net rack 13 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is less than the width of the step gap 15; the right concrete vertical plate 20, the right concrete bottom plate 21 and the plurality of prestressed concrete bearing beams 12 are integrally prefabricated and molded;
the middle right-angle prefabricated dung ditch side plate 3 consists of a middle concrete vertical plate 30, a middle concrete bottom plate 31, a plurality of prestressed concrete bearing beams 12, an upper layer right-angle reinforcing steel bar net rack 13, a lower layer right-angle reinforcing steel bar net rack 14 and a plurality of step notches 15; the left end and the right end of the middle concrete vertical plate 30 are respectively provided with the step gap 15, the middle concrete vertical plate 30 is positioned right above one side of the middle concrete bottom plate 31, and the two ends are mutually vertical and have equal length; the left end and the right end of the middle concrete bottom plate 31 are respectively provided with the step notch 15, and the other end of the middle concrete bottom plate 31 corresponding to the middle concrete vertical plate 30 is provided with the step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the middle concrete bottom plate 31, and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the upper right-angle steel bar net rack 13 and the lower right-angle steel bar net rack 14 are arranged in the middle right-angle prefabricated dung ditch side plate 3, and the upper right-angle steel bar net rack 13 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a plurality of connecting steel bars 132 which are mutually welded and connected; the lower-layer right-angle steel bar net rack 14 is composed of a plurality of longitudinal steel bars 130, a plurality of right-angle transverse steel bars 131 and a U-shaped channel steel frame 140, and is mutually welded and connected, the upper-layer right-angle steel bar net rack 13 is positioned on the lower-layer right-angle steel bar net rack 14 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bars 130 or the right-angle transverse steel bars 131 of the upper-layer right-angle steel bar net rack 13 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is less than the width of the step gap 15; the middle concrete vertical plate 30, the middle concrete bottom plate 31 and the plurality of prestressed concrete bearing beams 12 are integrally prefabricated and molded;
the end part prefabricated dung ditch bottom plate 4 consists of an end part supporting upright post mounting groove 40, an upper layer reinforcing steel bar net rack 41, a lower layer reinforcing steel bar net rack 42, a plurality of prestressed concrete bearing beams 12 and a plurality of step notches 15; the end part supporting upright post mounting groove 40 is positioned at the center of one end of the upper surface of the end part prefabricated excrement ditch bottom plate 4, two ends of the upper surface of the end part prefabricated excrement ditch bottom plate 4 are respectively provided with a step notch 15, and one end corresponding to the end part supporting upright post mounting groove 40 is provided with a step notch 15; a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the end prefabricated manure pit bottom plate 4, and the lengths of the prestressed concrete bearing beams are equal; the upper layer steel bar net rack 41 and the lower layer steel bar net rack 42 are arranged in the end part prefabricated dung ditch bottom plate 4, the upper layer steel bar net rack 41 consists of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a plurality of connecting steel bars 132, and the longitudinal steel bars, the transverse steel bars and the connecting steel bars are mutually welded and connected; the lower steel bar net rack 42 is composed of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a channel steel square frame 44, and the longitudinal steel bars, the transverse steel bars and the channel steel square frame are welded and connected with each other, the upper steel bar net rack 41 is positioned on the lower steel bar net rack 42 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal steel bars 130 or the transverse steel bars 43 of the upper-layer steel bar net rack 41 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal steel bars or the transverse steel bars is less than the width of the step gap 15; the end prefabricated dung ditch bottom plate 4, the end supporting upright post mounting groove 40 positioned above the end prefabricated dung ditch bottom plate and a plurality of prestressed concrete bearing beams 12 positioned below the end prefabricated dung ditch bottom plate are integrally prefabricated and formed;
the middle prefabricated dung ditch bottom plate 5 consists of an upper layer reinforcing steel bar net rack 41, a lower layer reinforcing steel bar net rack 42, a plurality of prestressed concrete bearing beams 12 and a plurality of step notches 15; step gaps 15 are respectively arranged at the front, the rear, the left and the right ends of the upper surface of the middle prefabricated dung ditch bottom plate 5, and a plurality of prestressed concrete bearing beams 12 are uniformly arranged below the middle prefabricated dung ditch bottom plate 5 and have the same length; the upper layer steel bar net rack 41 and the lower layer steel bar net rack 42 are arranged in the middle prefabricated dung ditch bottom plate 5, the upper layer steel bar net rack 41 consists of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a plurality of connecting steel bars 132, and the longitudinal steel bars, the transverse steel bars and the connecting steel bars are mutually welded and connected; the lower steel bar net rack 42 is composed of a plurality of longitudinal steel bars 130, a plurality of transverse steel bars 43 and a channel steel square frame 44, and the longitudinal steel bars, the transverse steel bars and the channel steel square frame are welded and connected with each other, the upper steel bar net rack 41 is positioned on the lower steel bar net rack 42 and is welded and vertically connected through a plurality of connecting steel bars 132 to form a rigid integral framework; the longitudinal reinforcing steel bars 130 and the transverse reinforcing steel bars 43 of the upper-layer reinforcing steel bar net rack 41 positioned at the step gap 15 extend out of the step gap 15, and the extending length of the longitudinal reinforcing steel bars and the transverse reinforcing steel bars is less than the width of the step gap 15; the middle prefabricated dung ditch bottom plate 5 and a plurality of prestressed concrete bearing beams 12 below the middle prefabricated dung ditch bottom plate are integrally prefabricated and formed;
the heights of the left concrete vertical plate 10, the right concrete vertical plate 20 and the middle concrete vertical plate 30 are equal; the upper surfaces of the left end concrete bottom plate 11, the right end concrete bottom plate 21, the middle concrete bottom plate 31, the end prefabricated excrement ditch bottom plate 4 and the middle prefabricated excrement ditch bottom plate 5 are all positioned in the same plane;
the reinforced concrete support upright 6 is a reinforced concrete cube, the width of the reinforced concrete support upright is equal to the width of the reinforced concrete through-length lintel 7 positioned above the reinforced concrete support upright, and the sum of the height of the reinforced concrete through-length lintel 7 positioned above the reinforced concrete support upright and the height of the reinforced concrete through-length lintel 7 is equal to the height of the left-end right-angle prefabricated dung ditch side plate 1, the height of the right-end right-angle prefabricated dung ditch side plate 2 or the height of the middle right-angle prefabricated dung ditch side plate 3; the reinforced concrete supporting upright posts 6 positioned at the two ends are inserted into the end part supporting upright post mounting grooves 40 of the end part prefabricated dung ditch bottom plate 4, are mutually vertical to the end part prefabricated dung ditch bottom plate 4, and are equal to and parallel to the left end concrete upright plate 10 and the right end concrete upright plate 20 which are positioned at the two sides of the end part prefabricated dung ditch bottom plate; the plurality of reinforced concrete support columns 6 positioned between the reinforced concrete support columns 6 at the two ends are uniformly positioned in a groove formed by butting two step notches 15, are parallel to each other and are also vertical to the upper surfaces of the end prefabricated dung ditch bottom plates 4 or the middle prefabricated dung ditch bottom plate 5;
the reinforced concrete through-length lintel 7 is of a reinforced concrete hexahedral structure and is positioned right above the plurality of reinforced concrete supporting upright posts 6, and the upper surfaces of the reinforced concrete through-length lintel and the upper surfaces of the plurality of left-end right-angle prefabricated dung ditch side plates 1, the plurality of right-end right-angle prefabricated dung ditch side plates 2 and the plurality of middle right-angle prefabricated dung ditch side plates 3 positioned on the two sides of the reinforced concrete through-length lintel are in the same plane;
an assembled prestressed concrete prefabricated pigsty manure pit is characterized in that longitudinal steel bars 130, right-angle transverse steel bars 131 and transverse steel bars 43 in a groove formed by butting two step notches 15 are mutually overlapped, the overlapping length is not more than two widths of the step notches 15, and welding treatment is carried out; and in a groove formed by butting the two step notches 15, casting the non-shrinkage impermeable concrete 8 in situ, wherein the upper surface of the non-shrinkage impermeable concrete and the upper surfaces of the precast concretes at the two sides are in the same plane.
The field construction of prefabricated pig house excrement ditch of assembled prestressed concrete:
1) the method comprises the following steps of (1) inspecting the appearance quality, dimensional deviation, flatness, concrete strength and the like of a left-end right-angle prefabricated dung trench side plate 1, a right-end right-angle prefabricated dung trench side plate 2, a middle right-angle prefabricated dung trench side plate 3, an end prefabricated dung trench bottom plate 4, a middle prefabricated dung trench bottom plate 5, a reinforced concrete supporting upright post 6, a reinforced concrete through-length lintel 7 and a prefabricated concrete structural beam 9 of an approach;
2) paying off according to a design drawing, and determining elevation;
3) cleaning dust and sundries on the upper surface of the precast concrete structure beam 9; checking the elevation and the axis size;
4) according to a design drawing, drawing assembly position lines of a left-end right-angle prefabricated excrement ditch side plate 1, a right-end right-angle prefabricated excrement ditch side plate 2, a middle right-angle prefabricated excrement ditch side plate 3, an end prefabricated excrement ditch bottom plate 4 and a middle prefabricated excrement ditch bottom plate 5 on the upper surface of a prefabricated concrete structure beam 9;
5) laying self-leveling mortar on the position to be leveled on the upper surface of the precast concrete structure beam 9;
6) when the left-end right-angle prefabricated excrement ditch side plate 1, the right-end right-angle prefabricated excrement ditch side plate 2, the middle right-angle prefabricated excrement ditch side plate 3, the end prefabricated excrement ditch bottom plate 4, the middle prefabricated excrement ditch bottom plate 5 and the reinforced concrete supporting upright post 6 are hoisted, the hoisting points are required to be uniformly stressed and kept horizontal, concrete cracking caused by distortion is avoided, the models of the assembling parts are checked with the models of the assembling parts marked on the prefabricated concrete structure beam 9 according to the requirements of a hoisting drawing, and the assembling parts are placed in a seat in a number matching mode without being misplaced; aligning to a position line during installation, slowly descending, and unhooking after being stabilized;
7) after the assembly parts are in place, each part is subjected to horizontal measurement and adjustment to meet the requirement of the overall levelness;
8) the longitudinal steel bars 130, the right-angle transverse steel bars 131 and the transverse steel bars 43 which are positioned in the grooves formed by butting the two step notches 15 are mutually lapped and welded;
9) after the lap steel bars are welded, cleaning the welded joints by adopting compressed air;
10) mounting a reinforced concrete support upright 6 in an end support upright mounting groove 40 of the end prefabricated dung ditch bottom plate 4 and a groove formed by butting two step notches 15 of the end prefabricated dung ditch bottom plate 4 and the middle prefabricated dung ditch bottom plate 5; the top surfaces of a plurality of reinforced concrete supporting upright posts 6 are positioned in the same horizontal plane;
11) pouring shrinkage-free impermeable concrete 8 in a groove formed by butting the two stepped notches 15, vibrating the groove to be compact, and adopting different maintenance measures according to different construction environments to ensure that the shrinkage-free impermeable concrete 8 in the groove is maintained in place;
12) installing a reinforced concrete through-beam 7 on a reinforced concrete support upright 6, wherein the upper surface of the reinforced concrete through-beam 7 is in the same plane with the upper surfaces of the concrete vertical plates of the left-end right-angle prefabricated dung ditch side plate 1, the right-end right-angle prefabricated dung ditch side plate 2 and the middle right-angle prefabricated dung ditch side plate 3 on the two sides;
13) the concrete dung leaking plate 16 is arranged on a bracket which is formed by the reinforced concrete long lintel 7, the left end right-angle prefabricated dung ditch side plate 1, the right end right-angle prefabricated dung ditch side plate 2 and the middle right-angle prefabricated dung ditch side plate 3.
The utility model discloses beneficial effect after implementing is:
1) the problems of the piggery manure pit which is constructed and manufactured on site in the existing energy-saving building construction of the livestock farm are solved, and the construction fund and time are saved;
2) an assembled prestressed concrete prefabricated piggery dung ditch is manufactured in a concrete member professional factory, the quality is ensured, the size of a prefabricated piggery dung ditch assembly part meets the standard requirement, no crack exists, the seepage-proofing performance is good, the frost resistance and the durability are high, the field standardized installation construction is realized, the dung leakage phenomenon caused by the traditional field construction quality problem is solved, and the environment of a farm is protected;
3) because the prefabricated pig house dung ditch is manufactured in a concrete member specialized factory, is installed in a standardized mode on site, the sizes of the inner side and the outer side of the dung ditch are consistent at the joint of the dung ditch and the dung ditch, after reinforcing steel bars at the joint are welded, shrinkage-free impermeable concrete is poured for the second time, the concrete layer poured for the second time is consistent with the concrete of a prefabricated assembly part in advance in strength, waterproof, anti-cracking and smooth in surface, the prefabricated pig house dung ditch is beneficial to being operated by a mechanical dung scraping machine, and the mechanization and automation level of the pig breeding industry is improved.
4) Under the condition of the same pigsty building area, the construction cost is lower than that of the existing pigsty manure ditch manufactured by field construction, and the maintenance and repair cost of the manure ditch is not needed at all; the prefabricated pig house dung ditch has the characteristics of high construction speed, easiness in cleaning, no leakage, no maintenance and the same service life as an energy-saving pig house building;
5) an assembled prestressed concrete prefabricated pig house dung ditch is not only suitable for the dung ditch requirements of a live pig farm of a single-layer building, but also suitable for the dung ditch requirements of a live pig farm of a multi-layer building;
6) the utility model provides a prefabricated pig house excrement ditch of assembled prestressed concrete, not only is applicable to the needs that live pig plant scraped excrement ditch futilely, more is applicable to live pig plant bubble excrement ditch needs.
Claims (2)
1. The utility model provides a prefabricated pig house excrement ditch of assembled prestressed concrete which characterized in that: the anti-seepage concrete pile comprises a plurality of left-end right-angle prefabricated dung ditch side plates (1), a plurality of right-end right-angle prefabricated dung ditch side plates (2), a plurality of middle right-angle prefabricated dung ditch side plates (3), a plurality of end prefabricated dung ditch bottom plates (4), a plurality of middle prefabricated dung ditch bottom plates (5), a plurality of reinforced concrete supporting upright posts (6), a reinforced concrete through-length lintel (7) and non-shrinkage anti-seepage concrete (8);
the left-end right-angle prefabricated dung ditch side plate (1) is composed of a left-end concrete vertical plate (10), a left-end concrete bottom plate (11), a plurality of prestressed concrete bearing beams (12), an upper-layer right-angle reinforcing steel bar net rack (13), a lower-layer right-angle reinforcing steel bar net rack (14) and a plurality of step notches (15); the right end of the left concrete vertical plate (10) is provided with the step notch (15), the left concrete vertical plate (10) is positioned right above one side of the left concrete bottom plate (11), is mutually vertical and has equal length, the right end of the left concrete bottom plate (11) is provided with the step notch (15), and the other end of the left concrete bottom plate (11) corresponding to the left concrete vertical plate (10) is provided with the step notch (15); a plurality of prestressed concrete bearing beams (12) are uniformly arranged below the left end concrete bottom plate (11), and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the left-end right-angle prefabricated dung ditch side plate (1) is internally provided with the upper-layer right-angle steel bar net rack (13) and the lower-layer right-angle steel bar net rack (14), and the upper-layer right-angle steel bar net rack (13) consists of a plurality of longitudinal steel bars (130), a plurality of right-angle transverse steel bars (131) and a plurality of connecting steel bars (132) which are mutually welded and connected; the lower-layer right-angle steel bar net rack (14) is composed of a plurality of longitudinal steel bars (130), a plurality of right-angle transverse steel bars (131) and a U-shaped channel steel frame (140), and the longitudinal steel bars, the right-angle transverse steel bars and the U-shaped channel steel frame are mutually welded and connected, the upper-layer right-angle steel bar net rack (13) is positioned on the lower-layer right-angle steel bar net rack (14), and is welded and vertically connected through a plurality of connecting steel bars (132) to form a rigid integral framework; the longitudinal steel bars (130) or the right-angle transverse steel bars (131) of the upper-layer right-angle steel bar net rack (13) positioned at the step gap (15) extend out of the step gap (15), and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is smaller than the width of the step gap (15); the left end concrete vertical plate (10), the left end concrete bottom plate (11) and the plurality of prestressed concrete bearing beams (12) are integrally prefabricated and molded;
the right-end right-angle prefabricated dung trench side plate (2) is composed of a right-end concrete vertical plate (20), a right-end concrete bottom plate (21), a plurality of prestressed concrete bearing beams (12), an upper-layer right-angle reinforcing steel bar net rack (13), a lower-layer right-angle reinforcing steel bar net rack (14) and a plurality of step notches (15); the left end of the right concrete vertical plate (20) is provided with the step notch (15), and the right concrete vertical plate (20) is positioned right above one side of the right concrete bottom plate (21), is mutually vertical and has equal length; the left end of the right concrete bottom plate (21) is provided with the step notch (15), and the other end of the right concrete bottom plate (21) corresponding to the right concrete vertical plate (20) is provided with the step notch (15); a plurality of prestressed concrete bearing beams (12) are uniformly arranged below the right concrete bottom plate (21), and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the right-end right-angle prefabricated dung ditch side plate (2) is internally provided with the upper-layer right-angle steel bar net rack (13) and the lower-layer right-angle steel bar net rack (14), and the upper-layer right-angle steel bar net rack (13) consists of a plurality of longitudinal steel bars (130), a plurality of right-angle transverse steel bars (131) and a plurality of connecting steel bars (132) which are mutually welded and connected; the lower-layer right-angle steel bar net rack (14) is composed of a plurality of longitudinal steel bars (130), a plurality of right-angle transverse steel bars (131) and a U-shaped channel steel frame (140), and the longitudinal steel bars, the right-angle transverse steel bars and the U-shaped channel steel frame are mutually welded and connected, the upper-layer right-angle steel bar net rack (13) is positioned on the lower-layer right-angle steel bar net rack (14), and is welded and vertically connected through a plurality of connecting steel bars (132) to form a rigid integral framework; the longitudinal steel bars (130) or the right-angle transverse steel bars (131) of the upper-layer right-angle steel bar net rack (13) positioned at the step gap (15) extend out of the step gap (15), and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is smaller than the width of the step gap (15); the right concrete vertical plate (20), the right concrete bottom plate (21) and the plurality of prestressed concrete bearing beams (12) are integrally prefabricated and molded;
the middle right-angle prefabricated dung ditch side plate (3) consists of a middle concrete vertical plate (30), a middle concrete bottom plate (31), a plurality of prestressed concrete bearing beams (12), an upper layer right-angle reinforcing steel bar net rack (13), a lower layer right-angle reinforcing steel bar net rack (14) and a plurality of step notches (15); the left end and the right end of the middle concrete vertical plate (30) are respectively provided with the step notches (15), the middle concrete vertical plate (30) is positioned right above one side of the middle concrete bottom plate (31), is mutually vertical and has equal length, the left end and the right end of the middle concrete bottom plate (31) are respectively provided with the step notches (15), and the other end of the middle concrete bottom plate (31) corresponding to the middle concrete vertical plate (30) is provided with the step notches (15); a plurality of prestressed concrete bearing beams (12) are uniformly arranged below the middle concrete bottom plate (31), and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the middle right-angle prefabricated dung ditch side plate (3) is internally provided with the upper-layer right-angle steel bar net rack (13) and the lower-layer right-angle steel bar net rack (14), and the upper-layer right-angle steel bar net rack (13) consists of a plurality of longitudinal steel bars (130), a plurality of right-angle transverse steel bars (131) and a plurality of connecting steel bars (132) which are mutually welded and connected; the lower-layer right-angle steel bar net rack (14) is composed of a plurality of longitudinal steel bars (130), a plurality of right-angle transverse steel bars (131) and a U-shaped channel steel frame (140), and the longitudinal steel bars, the right-angle transverse steel bars and the U-shaped channel steel frame are mutually welded and connected, the upper-layer right-angle steel bar net rack (13) is positioned on the lower-layer right-angle steel bar net rack (14), and is welded and vertically connected through a plurality of connecting steel bars (132) to form a rigid integral framework; the longitudinal steel bars (130) or the right-angle transverse steel bars (131) of the upper-layer right-angle steel bar net rack (13) positioned at the step gap (15) extend out of the step gap (15), and the extending length of the longitudinal steel bars or the right-angle transverse steel bars is smaller than the width of the step gap (15); the middle concrete vertical plate (30), the middle concrete bottom plate (31) and the plurality of prestressed concrete bearing beams (12) are integrally prefabricated and molded;
the end part prefabricated dung ditch bottom plate (4) consists of an end part supporting upright post mounting groove (40), an upper layer reinforcing steel bar net rack (41), a lower layer reinforcing steel bar net rack (42), a plurality of prestressed concrete bearing beams (12) and a plurality of step notches (15); the end part supporting upright post mounting groove (40) is positioned in the center of one end of the upper surface of the end part prefabricated dung ditch bottom plate (4), two ends of the upper surface of the end part prefabricated dung ditch bottom plate (4) are respectively provided with a step notch (15), and one end corresponding to the end part supporting upright post mounting groove (40) is provided with a step notch (15); a plurality of prestressed concrete bearing beams (12) are uniformly arranged below the end prefabricated manure pit bottom plate (4), and the lengths of the prestressed concrete bearing beams are equal; the prefabricated dung ditch bottom plate (4) at the end part is internally provided with the upper layer steel bar net rack (41) and the lower layer steel bar net rack (42), and the upper layer steel bar net rack (41) consists of a plurality of longitudinal steel bars (130), a plurality of transverse steel bars (43) and a plurality of connecting steel bars (132) which are mutually welded and connected; the lower-layer steel bar net rack (42) is composed of a plurality of longitudinal steel bars (130), a plurality of transverse steel bars (43) and a channel steel square frame (44), and the longitudinal steel bars, the transverse steel bars and the channel steel square frame are mutually welded and connected, the upper-layer steel bar net rack (41) is positioned on the lower-layer steel bar net rack (42) and is vertically connected through a plurality of connecting steel bars (132) in a welding mode to form a rigid integral framework; the longitudinal steel bars (130) or the transverse steel bars (43) of the upper-layer steel bar net rack (41) positioned at the step gap (15) extend out of the step gap (15), and the extending length of the longitudinal steel bars or the transverse steel bars is smaller than the width of the step gap (15); the end prefabricated dung ditch bottom plate (4), the end supporting upright post mounting groove (40) positioned on the end prefabricated dung ditch bottom plate and a plurality of prestressed concrete bearing beams (12) positioned below the end prefabricated dung ditch bottom plate are integrally prefabricated and formed;
the middle prefabricated dung ditch bottom plate (5) consists of an upper layer steel bar net rack (41), a lower layer steel bar net rack (42), a plurality of prestressed concrete bearing beams (12) and a plurality of step notches (15); step gaps (15) are respectively arranged at the front, the rear, the left and the right of the upper surface of the middle prefabricated dung ditch bottom plate (5), a plurality of prestressed concrete bearing beams (12) are uniformly arranged below the middle prefabricated dung ditch bottom plate (5), and the lengths of the prestressed concrete bearing beams and the prestressed concrete bearing beams are equal; the middle prefabricated dung ditch bottom plate (5) is internally provided with the upper layer steel bar net rack (41) and the lower layer steel bar net rack (42), and the upper layer steel bar net rack (41) consists of a plurality of longitudinal steel bars (130), a plurality of transverse steel bars (43) and a plurality of connecting steel bars (132) which are mutually welded and connected; the lower-layer steel bar net rack (42) is composed of a plurality of longitudinal steel bars (130), a plurality of transverse steel bars (43) and a channel steel square frame (44), and the longitudinal steel bars, the transverse steel bars and the channel steel square frame are mutually welded and connected, the upper-layer steel bar net rack (41) is positioned on the lower-layer steel bar net rack (42) and is vertically connected through a plurality of connecting steel bars (132) in a welding mode to form a rigid integral framework; the longitudinal steel bars (130) and the transverse steel bars (43) of the upper-layer steel bar net rack (41) positioned at the step gap (15) extend out of the step gap (15), and the extending length of the longitudinal steel bars and the extending length of the transverse steel bars are smaller than the width of the step gap (15); the middle prefabricated dung ditch bottom plate (5) and a plurality of prestressed concrete bearing beams (12) below the middle prefabricated dung ditch bottom plate are integrally prefabricated and formed;
the heights of the left concrete vertical plate (10), the right concrete vertical plate (20) and the middle concrete vertical plate (30) are equal; the upper surfaces of the left concrete bottom plate (11), the right concrete bottom plate (21), the middle concrete bottom plate (31), the end prefabricated excrement ditch bottom plate (4) and the middle prefabricated excrement ditch bottom plate (5) are all positioned in the same plane;
the reinforced concrete support upright post (6) is a reinforced concrete cube, the width of the reinforced concrete support upright post is equal to the width of the reinforced concrete through-length lintel (7) positioned above the reinforced concrete support upright post, and the sum of the height of the reinforced concrete through-length lintel (7) positioned above the reinforced concrete support upright post and the height of the reinforced concrete through-length lintel is equal to the height of the left-end right-angle prefabricated dung ditch side plate (1), the height of the right-end right-angle prefabricated dung ditch side plate (2) or the height of the middle right-angle prefabricated dung ditch side plate (3); the reinforced concrete supporting upright posts (6) positioned at the two ends are inserted into the end part supporting upright post mounting grooves (40) of the end part prefabricated dung ditch bottom plate (4), are mutually vertical to the end part prefabricated dung ditch bottom plate (4), and are equal to and parallel to the left end concrete upright plate (10) and the right end concrete upright plate (20) which are positioned at the two sides of the end part prefabricated dung ditch bottom plate; a plurality of reinforced concrete supporting upright posts (6) are uniformly positioned in a groove formed by butting two step notches (15) and are parallel to each other and are also vertical to the upper surfaces of the end prefabricated dung ditch bottom plates (4) or the middle prefabricated dung ditch bottom plate (5) between the reinforced concrete supporting upright posts (6) positioned at the two ends;
the reinforced concrete through-length lintel (7) is of a reinforced concrete hexahedral structure and is positioned right above the plurality of reinforced concrete supporting columns (6), and the upper surface of the reinforced concrete through-length lintel and the upper surfaces of the plurality of left-end right-angle prefabricated dung ditch side plates (1), the plurality of right-end right-angle prefabricated dung ditch side plates (2) and the plurality of middle right-angle prefabricated dung ditch side plates (3) which are positioned on the two sides of the reinforced concrete through-length lintel are all in the same plane.
2. The fabricated prestressed concrete prefabricated pig house dung trench of claim 1, wherein: longitudinal steel bars (130), right-angle transverse steel bars (131) and transverse steel bars (43) in a groove formed by butting two step notches (15) are mutually lapped, the lapping length is not more than two widths of the step notches (15), and welding treatment is carried out; and in a groove formed by butting the two step notches (15), casting shrinkage-free impermeable concrete (8) in situ, wherein the upper surface of the shrinkage-free impermeable concrete and the upper surfaces of the precast concretes at the two sides are in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021322208.2U CN213062313U (en) | 2020-07-06 | 2020-07-06 | Prefabricated pig house excrement ditch of assembled prestressed concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021322208.2U CN213062313U (en) | 2020-07-06 | 2020-07-06 | Prefabricated pig house excrement ditch of assembled prestressed concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213062313U true CN213062313U (en) | 2021-04-27 |
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|---|---|---|---|
| CN202021322208.2U Active CN213062313U (en) | 2020-07-06 | 2020-07-06 | Prefabricated pig house excrement ditch of assembled prestressed concrete |
Country Status (1)
| Country | Link |
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| CN (1) | CN213062313U (en) |
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2020
- 2020-07-06 CN CN202021322208.2U patent/CN213062313U/en active Active
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