CN115654214A - Sliding type vertical pipe support and construction method thereof - Google Patents
Sliding type vertical pipe support and construction method thereof Download PDFInfo
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- CN115654214A CN115654214A CN202211503020.1A CN202211503020A CN115654214A CN 115654214 A CN115654214 A CN 115654214A CN 202211503020 A CN202211503020 A CN 202211503020A CN 115654214 A CN115654214 A CN 115654214A
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Abstract
The invention discloses a sliding type vertical pipe support and a construction method thereof, wherein the sliding type vertical pipe support comprises a fixed chassis and a sliding cover plate, a first through hole matched with the diameter of a vertical pipe is formed in the middle of the fixed chassis, a sliding support assembly with a height adjusting function is arranged at the top of the fixed chassis, the sliding cover plate is correspondingly arranged above the fixed chassis, a second through hole matched with the diameter of the vertical pipe is formed in the middle of the sliding cover plate, the sliding cover plate is fixedly connected with the vertical pipe penetrating the first through hole and the second through hole through a clamping mechanism, and a supporting mechanism with the height adjusting function and a locking mechanism for realizing relative fixation of the supporting mechanism and the sliding cover plate are also arranged between the sliding cover plate and the fixed chassis. The invention has the advantages of ingenious structural design and quick construction, can effectively eliminate the axis deviation existing after the pre-installation of the vertical pipe, realizes the aim of synchronous assembly, shortens the whole construction period, improves the construction efficiency and the engineering quality, and is in accordance with the concept of green construction.
Description
Technical Field
The invention relates to the technical field of assembly type building construction, in particular to a sliding type vertical pipe support and a construction method thereof.
Background
The assembly type building has the advantages of high production efficiency, energy conservation, convenient quality control and reduction of fire hazard because of the adoption of factory processing and field modularized installation. Along with the gradual development of the technology of the prefabricated house, the structure beams, the top plates and the wall bodies of the civil engineering major realize modularized manufacturing and installation, and greatly quicken the construction progress of the civil engineering major. However, when electromechanical professional pipelines are connected, the axes of the connected pipelines are required to be free of deviation so as to ensure the pipeline connection sealing effect and meet the requirement of the pipelines on the medium pressure bearing capacity, and the existing measurement positioning technology and pipeline supporting method cannot realize the synchronous construction of the structure specialty and the electromechanical specialty in the fabricated building. Therefore, at present, the field assembly process is mainly applied to structural specialties, electromechanical professional pipelines and equipment, particularly pipelines in a pipe well, can be measured, processed and installed layer by layer only after the structural construction is finished, and cannot be synchronously carried out along with the structural specialties. The whole construction progress of the modular residence is delayed to a certain extent, and the construction efficiency of the assembled residence is reduced.
Disclosure of Invention
The invention aims to provide a sliding type vertical pipe support and a construction method thereof, which aim to solve the technical problems in the background art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a sliding type vertical pipe support comprises a fixed chassis and a sliding cover plate, wherein the fixed chassis comprises a chassis body fixedly arranged on the top surface of a structural floor slab, a first through hole matched with the diameter of a vertical pipe is formed in the middle of the chassis body, a plurality of groups of sliding support assemblies with a height adjusting function are arranged at intervals on the top of the chassis body, the sliding cover plate is correspondingly arranged above the fixed chassis, the sliding cover plate comprises a cover plate body arranged in parallel with the chassis body, a second through hole matched with the diameter of the vertical pipe is formed in the middle of the cover plate body, a circle of protective sleeve is fixedly arranged on the cover plate body at the edge position of the second through hole, the cover plate body is fixedly connected with the vertical pipe penetrating in the first through hole and the second through hole through a clamping mechanism, a supporting mechanism with a height adjusting function and a locking mechanism for realizing relative fixing of the supporting mechanism and the supporting mechanism are further arranged between the cover plate body and the chassis body, when the bottom end of the supporting mechanism is lifted away from the chassis body, the cover plate body abuts against the top of the sliding support assembly and is in sliding fit with the sliding support assembly, and a certain gap is formed between the cover plate body and the sliding support assembly when the bottom end of the supporting mechanism is supported on the chassis body.
Preferably, the sliding support assembly comprises a bottom hydraulic support assembly and a top sliding support.
Preferably, the hydraulic support assembly comprises a vertically arranged hydraulic oil cylinder, a fixing screw is fixedly arranged at the bottom end of the hydraulic oil cylinder and screwed in a first bolt groove formed in the chassis body, a piston rod is arranged at the top of the hydraulic oil cylinder, and an oil inlet pipe communicated with an oil filling cavity inside the hydraulic oil cylinder is arranged at the position of the hydraulic oil cylinder below the piston rod.
Preferably, the sliding support comprises a supporting base arranged on the top end of the hydraulic supporting assembly, a hemispherical first installation cavity is formed in the middle of the top end of the supporting base, a ball capable of rotating freely is arranged in the first installation cavity, a gland is arranged above the supporting base, a second installation cavity is formed in the position, corresponding to the ball, of the gland, a circular opening allowing the top of the ball to extend out is formed in the top of the second installation cavity, the radius of the circular opening in the top of the second installation cavity is smaller than that of the ball, a plurality of groups of vertically aligned fifth bolt holes and second bolt grooves are formed in the gland on the outer side of the ball and the supporting base respectively, a fastening screw is arranged in each group of vertically aligned fifth bolt holes and second bolt grooves in a threaded manner, and the gland is fixed on the supporting base through the plurality of fastening screws.
Preferably, the first installation cavity and the second installation cavity are internally filled with lubricant, a first sealing ring is arranged in a circular opening in the top of the second installation cavity, a circle of sealing groove is correspondingly formed in the gland outside the ball and the supporting base, the cross section of the sealing groove formed in the gland and the supporting base is semi-cylindrical, the two semi-cylindrical sealing grooves are buckled to form a complete cylindrical cavity, and a circular second sealing ring is arranged in the cylindrical cavity.
Preferably, fixture is for setting up a plurality of support otic placodes in riser week side according to annular array, support otic placode both ends respectively with riser pipe wall and apron body welded fastening.
Preferably, the jacking mechanism comprises a plurality of jacking bolts, the jacking bolts are arranged on the cover plate body outside the second pipe penetrating hole according to an annular array, the bottom ends of the jacking bolts penetrate through the cover plate body along a third bolt hole formed in the cover plate body and extend to the lower side of the cover plate body, and the jacking bolts are in threaded fit with the cover plate body.
Preferably, the locking mechanism comprises a plurality of connecting bolts, the connecting bolts are arranged between the fixed chassis and the sliding cover plate on the outer side of the vertical pipe according to an annular array, and the fixed chassis and the sliding cover plate are fixedly connected through the connecting bolts.
Preferably, a circle of limiting hoop extending downwards is arranged at the edge of the cover plate body.
In addition, the invention also provides a construction method of the sliding type stand pipe support, which comprises the following steps:
step S1, performing BIM deepening design, comprehensively arranging the vertical pipes in the pipe well by using a BIM technology according to a design drawing in combination with the number, specification and heat preservation requirements of the vertical pipes in the pipe well, and determining the throwing port elevation of each branch pipe on each vertical pipe, wherein the throwing port position of each branch pipe on each vertical pipe needs to be lower than the distance of 2-3 times of the pipe diameter of the branch pipe from the set elevation of a horizontal pipeline arranged on a structural floor slab;
step S2, prefabricating and assembling the sliding type vertical pipe support, manufacturing the sliding type vertical pipe support according to a design drawing, sequentially installing a sliding support assembly and a sliding cover plate on a fixed chassis after the manufacturing is finished, simulating and debugging the displacement of the sliding cover plate, installing a supporting mechanism and a locking mechanism between the fixed chassis and the sliding cover plate after the debugging is qualified, and temporarily fixing the fixed chassis and the sliding cover plate through the locking mechanism;
step S3, prefabricating and processing a vertical pipe, namely prefabricating and processing the vertical pipe in the floor pipe well according to a design drawing by combining the height of a floor and the throwing elevation of each branch pipe, and primarily assembling a vertical pipe section, wherein during assembly, a valve, an inspection opening and a corrugated compensator which are installed on the vertical pipe in a matched manner need to be synchronously assembled at one time according to respective corresponding elevations;
s4, reserving through pipe holes of the structural floor slab at the pipe well position, and reserving the through pipe holes according to the positioning size of the vertical pipes determined by the BIM comprehensive arrangement layout in the pipe well and the size of the vertical pipes by combining the size of the vertical pipes before the prefabricated building component is processed and poured;
s5, installing each horizontal branch pipe in the structural layer of the assembly type component, and after the pouring of the assembly type component is finished and the strength of the component meets the design requirement, installing the horizontal branch pipes in the structural layers according to a design drawing, wherein the horizontal branch pipes which are in a certain range away from the pipe well are not installed temporarily during installation;
s6, pre-installing the vertical pipes in the pipe well according to the BIM comprehensive layout diagram and the following steps,
s61, installing a sliding type vertical pipe support, carrying out paying-off positioning on the upper surface of a structural floor in the fabricated component pipe well through a theodolite, and fixing the sliding type vertical pipe support at a paying-off position through an anchoring bolt;
step S62, penetrating the assembled riser section into a first pipe penetrating hole and a second pipe penetrating hole of the sliding type riser support;
s63, fixing the vertical pipe and the sliding cover plate firmly through a clamping mechanism;
step S64, mounting a finished product pipeline bracket at the design position of the next layer of pipe well, temporarily fixing the pre-mounted vertical pipe through the finished product pipeline bracket, and connecting the vertical pipe of the floor to be hoisted and the assembled member into a whole after temporary fixing;
s7, synchronously hoisting the assembled component and the vertical pipe in place;
step S8, the riser of the pipe well is connected in a butt joint way, after the assembled components of all floors are all hoisted in place, the riser of the pipe well is precisely butted, and the concrete construction steps are as follows,
s81, loosening a finished pipeline support on the vertical pipe section and releasing the temporary fixation of the locking mechanism;
s82, adjusting the vertical pipe axis in the horizontal direction by means of the theodolite and sliding of the sliding cover plate on the adjacent upper and lower layers of vertical pipes until the vertical pipe axes of the upper and lower layers are overlapped;
s83, adjusting the height of the vertical pipe through the sliding support assembly until the gap between the upper layer vertical pipe and the lower layer vertical pipe meets the connection requirement;
step S84, connecting and fixing the upper layer riser and the lower layer riser;
s85, adjusting the height of the supporting mechanism, and enabling the bottom end of the supporting mechanism to abut against the top surface of the chassis body;
step S86, adjusting and fixing the finished product pipeline bracket again;
step S87, the vertical pipes on other floors are sequentially butted according to the construction sequence from top to bottom, and a compensation short pipe is additionally arranged at certain intervals of the floors to make up for the vacancy caused by the length deviation of the vertical pipes until the butting of all the vertical pipe sections is completed;
and S88, connecting the vertical pipe with the horizontal branch pipe, accurately measuring the length between the throwing position of the vertical pipe and the pipe orifice of the horizontal branch pipe, and processing an elbow connecting pipe fitting with proper length to communicate the vertical pipe with the horizontal branch pipe.
Compared with the prior art, the invention has the beneficial effects that: the invention has the advantages of ingenious structural design and quick construction, can effectively eliminate the axis deviation existing after the vertical pipe is pre-installed by matching the fixed chassis, the sliding cover plate and the sliding support component, realizes the aims of factory processing, modular transportation and mechanical synchronous assembly of the vertical pipe in the pipe well, greatly shortens the whole construction period, improves the construction efficiency, greatly reduces the errors of site construction because the processing and the pre-installation of the vertical pipe are carried out in a factory in batch and in a centralized way, improves the engineering quality, simultaneously reduces the generation of garbage and construction noise in the construction site, avoids the site welding operation, reduces the fire hazard, and is in accordance with the concept of green construction.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
FIG. 1 is a schematic view of a sliding type riser support and mounting structure of a fabricated member according to the present invention;
FIG. 2 is a schematic view of an assembly structure of a sliding type riser support and a riser according to the present invention;
FIG. 3 is a top view of a fixed chassis of a sliding riser mount according to the present invention;
FIG. 4 is a top view of a sliding cover plate of a sliding riser mount according to the present invention;
FIG. 5 is a schematic structural view of a sliding support assembly of a sliding riser mount according to the present invention;
fig. 6 is a schematic structural diagram of a gland of the sliding type riser support according to the present invention.
Reference numerals: 1-fixed chassis, 101-chassis body, 102-first perforated pipe hole, 103-first connecting lug plate, 104-first bolt hole, 105-second bolt hole, 106-first bolt groove, 2-sliding cover plate, 201-cover plate body, 202-second perforated pipe hole, 203-protective sleeve, 204-limiting hoop, 205-second connecting lug plate, 206-third bolt hole, 207-fourth bolt hole, 208-supporting lug plate, 3-sliding supporting component, 301-fixing screw, 302-hydraulic cylinder, 303-piston rod, 304-oil inlet pipe, 305-connecting sleeve, 306-supporting base, 307-gland, 308-first mounting cavity, 309-second mounting cavity, 310-ball, 311-second bolt groove, 312-fifth bolt hole, 313-fastening screw, 314-sealing groove, 315-first sealing ring, 316-second sealing ring, 4-supporting bolt, 5-anchoring bolt, 6-connecting bolt, 7-riser, 8-finished pipeline support, 9-connecting bolt hole, 11-connecting flange structure, and 11-floor slab structure.
Detailed Description
Hereinafter, embodiments of a sliding type riser seat and a construction method thereof of the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other embodiments that are obvious based on the disclosure of the claims and the specification herein, including those that employ any obvious substitutions and modifications to the embodiments described herein.
In the description of the present invention, it should be noted that the terms "top", "bottom", "upper", "lower", "inner", "outer", "lateral", "upright", and the like indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," "third," "fourth," "fifth," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The principles and features of the present invention will be described with reference to the following drawings, which are illustrative only and are not intended to limit the scope of the invention. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-6:
as shown in fig. 1-4, a preferred sliding type riser support according to the present invention includes a fixed chassis 1 and a sliding cover plate 2, where the fixed chassis 1 includes a chassis body 101 fixedly disposed on the top surface of a structural floor 11, the middle of the chassis body 101 is provided with a first through hole 102 adapted to the pipe diameter of a riser 7, and the top of the chassis body 101 is provided with a plurality of sets of sliding support components 3 with height adjustment function at intervals, the sliding cover plate 2 is correspondingly disposed above the fixed chassis 1, the sliding cover plate 2 includes a cover plate body 201 disposed parallel to the chassis body 101, a limit hoop 204 extending downward is disposed at the edge position of the cover plate body 201, the middle of the plate body is provided with a second through hole 202 adapted to the pipe diameter of the riser 7, and a protection casing pipe 203 is fixedly disposed at the edge position of the second through hole 202, the cover plate body 201 is fixedly connected to the riser 7 inserted in the first through hole 102 and the second through a clamping mechanism, and the cover plate body 201 is further provided with a top mechanism having height adjustment function and a top pipe hole 203 for realizing relative fixation of the two, and a locking mechanism is disposed between the cover plate body 201 and the top of the sliding support components 3, and the top support components is supported by the sliding support components 3, and the top of the sliding support components 101, and the sliding support components 3, and the top support components 3 are supported by the top support components 201;
as shown in fig. 5-6, the sliding support assembly 3 includes a hydraulic support assembly at the bottom and a sliding support at the top, the hydraulic support assembly includes a vertically arranged hydraulic oil cylinder 302, a fixing screw 301 is fixedly arranged at the bottom end of the hydraulic oil cylinder 302, the fixing screw 301 is screwed into a first bolt slot 106 formed on the chassis body 101, a piston rod 303 is arranged at the top of the hydraulic oil cylinder 302, and an oil inlet pipe 304 communicated with an oil-filled cavity inside the hydraulic oil cylinder 302 is arranged at the position of the hydraulic oil cylinder 302 below the piston rod 303;
the sliding support comprises a support base 306, the support base 306 is arranged at the top end of the piston rod 303, a connecting sleeve 305 is fixedly arranged at the bottom end of the support base, the connecting sleeve 305 is sleeved outside the hydraulic oil cylinder 302 and is in sliding fit with the cylinder wall of the hydraulic oil cylinder 302, a hemispherical first mounting cavity 308 is formed in the middle of the top end of the support base 306, a ball 310 capable of freely rotating is arranged in the first mounting cavity 308, a gland 307 is arranged above the support base 306, a second mounting cavity 309 is formed in the position, corresponding to the ball 310, of the gland 307, an opening allowing the top of the ball 310 to protrude is formed in the top of the second mounting cavity 309, the opening in the top of the second mounting cavity 309 is circular, the radius of the circular opening in the top of the second mounting cavity 309 is smaller than that of the ball 310, a plurality of pairs of fifth bolt grooves 312 and second bolt grooves 311 are correspondingly formed in the gland 307 on the periphery of the ball 310 and the support base 306, the paired fifth bolt holes 312 and the second bolt grooves 311 are vertically aligned, fastening screws 313 penetrate through internal threads, the plurality of fastening bolts 313 fix the gland 307 on the support base 306, the first cylindrical bolt holes and the cylindrical sealing ring 314 formed in the second bolt grooves of the cylindrical sealing ring formed in the gland 309, and the cylindrical sealing ring 314 formed in the cylindrical sealing groove 314 formed in the top of the cylindrical sealing groove of the cylindrical sealing ring formed in the support base 306, and the cylindrical sealing ring 310;
the clamping mechanism is a plurality of supporting ear plates 208 arranged on the peripheral side of the stand pipe 7 in an annular array, and two ends of each supporting ear plate 208 are respectively welded and fixed with the pipe wall of the stand pipe 7 and the cover plate body 201;
the supporting mechanism comprises a plurality of supporting bolts 4, the supporting bolts 4 are distributed on the cover plate body 201 outside the second through hole 202 according to an annular array, the bottom ends of the supporting bolts 4 penetrate through the cover plate body 201 along a third bolt hole 206 formed in the cover plate body 201 and extend to the lower side of the cover plate body 201, and the supporting bolts 4 are in threaded fit with the cover plate body 201;
the locking mechanism comprises a plurality of connecting bolts 6, the connecting bolts 6 are arranged between the fixed chassis 1 and the sliding cover plate 2 on the outer side of the vertical pipe 7 according to an annular array, and the fixed chassis 1 and the sliding cover plate 2 are fixedly connected through the connecting bolts 6.
The sizes of the corresponding sliding type riser supports of the risers 7 with different pipe diameters are the same, the structure and the manufacturing method of the sliding type riser support are described in detail below by taking the riser 7 with DN100 pipe diameter as an example, and the sizes of the risers 7 or bridge frames and groove box support components with other specifications can be adjusted correspondingly.
Manufacturing a fixed chassis 1, cutting a square steel plate with the side length of 250mm and the thickness of 10mm to be used as a chassis body 101, drilling a first through hole 102 with the diameter of 160mm at the central part of the chassis body 101, drilling eight inner screw holes with the diameter of 6mm and the depth of 8mm at intervals of 45 degrees on the circumference of 196mm on the upper surface of the chassis body 101 by taking the center of the square as the center of a circle to be used as a first bolt groove 106, respectively welding a first connecting lug plate 103 with the thickness of 6mm at the middle parts of four sides of the square, drilling a through inner screw hole with the diameter of 10mm at a position 151mm away from the center of the square on the lug plate to be used as a second bolt hole 105 for arranging a connecting bolt 6, and drilling a through inner screw hole with the diameter of 10mm at the periphery of the second bolt hole 105 to be used as a first bolt hole 104 for arranging an anchoring bolt 5;
manufacturing a sliding cover plate 2, cutting a square steel plate with the side length of 250mm and the thickness of 10mm to be used as a cover plate body 201, polishing the lower surface of the steel plate smoothly, drilling a second through hole 202 with the diameter of 150mm at the central part of the cover plate body 201, welding a protective sleeve 203 with the thickness of 4mm and the height of 50mm along the circumference of the second through hole 202, welding a limit hoop 204 with the thickness of 4mm and the height of 16mm along the lower part of the square periphery of the cover plate body 201, drilling four third bolt holes 206 with the diameter of 10mm at positions 30mm away from four corners on the diagonal line of the square cover plate body 201 to be used for installing supporting bolts 4, respectively welding a second connecting lug plate 205 with the thickness of 6mm at the middle parts of the four sides of the square cover plate body 201, drilling through inner wire holes with the diameter of 10mm at positions 151mm away from the center of the square on the second connecting lug plate 205 to be used as fourth bolt holes 207 for arranging connecting bolts 6, and enabling the arrangement position of the fourth bolt hole 207 to correspond to the second bolt hole 105 on the fixed chassis 1 up and down;
the sliding support component 3 is manufactured, the sliding support component 3 is composed of a support base 306, a ball 310, a gland 307 and a hydraulic support component, the support base 306 is a cuboid with the length of 24mm, the width of 24mm and the height of 18mm, a hemispherical hollow chamber with the radius of 6mm is milled to be used as a first installation cavity 308, the inner wall of the first installation cavity 308 is polished, four inner threaded holes with the diameter of 2mm and the hole depth of 8mm are drilled to be used as second groove bolts 311 on the circumference with the radius of 10mm by taking the center of the upper surface of the support base 306 as the center of a circle, the second groove bolts are positioned on the intersection points of the circumference and two center lines of the square, a semicircular groove with the diameter of 1.5mm is milled on the circumference with the radius of 7.5mm to be used as a sealing groove 314, a connecting sleeve 305 with the size matched with the hydraulic cylinder 302 of the hydraulic support component is arranged at the lower part of the support base 306, in order to ensure the vertical stability of the support base 306 and the gland 307 in the lifting process, the gland 307 is a cuboid with the length of 24mm, the width of 24mm and the height of 6mm, the center part of the cuboid is milled with a hemispherical hollow with the radius of 6mm as a second installation cavity 309, the inner wall of the second installation cavity 309 is polished, a rubber sealing ring with the diameter of 1.6mm is embedded on the hollow circumference of the upper surface of the gland 307 as a first sealing ring 315, by means of a relatively closed space formed by the first sealing ring 315, a ball 310, the support base 306 and the gland 307 for containing lubricating grease, four through inner screw holes with the diameter of 2mm are drilled on the circumference with the radius of 10mm by taking the center of the upper surface of the gland 307 as a fifth bolt hole 5, the fifth bolt hole 5 vertically corresponds to the center of the second bolt groove 311, the center of the lower surface of the gland 307 is taken as a center 314, and a semicircular groove with the diameter of 1.5mm is milled on the circumference with the radius of 7.5mm as a sealing groove, the hydraulic support component is composed of a hydraulic oil cylinder 302, a piston rod 303 and an oil inlet pipe 304, can be modified by adopting a finished product hydraulic press with similar size, and is characterized in that a fixing screw 301 with the diameter of 6mm and the length of 8mm is welded at the center of the lower surface of the hydraulic oil cylinder 302.
In addition, the invention also provides a construction method of the sliding type stand pipe support, which comprises the following steps:
step S1, BIM deepening design, combining the quantity and specification of the vertical pipes 7 in the pipe well with a heat preservation requirement and the like according to a design drawing, comprehensively arranging the vertical pipes 7 in the pipe well by using a BIM technology, ensuring reasonable arrangement of the vertical pipes 7, facilitating installation and subsequent butt joint, and simultaneously determining a throwing port elevation of a branch pipe on each vertical pipe 7, wherein in order to facilitate connection with a horizontal branch pipe which is already installed on each structural layer, the throwing port position of the branch pipe on the vertical pipe 7 needs to be 2-3 times of the pipe diameter of the branch pipe lower than the horizontal pipeline arrangement elevation arranged on the structural floor 11;
s2, prefabricating and assembling the sliding type vertical pipe support, manufacturing the sliding type vertical pipe support according to a design drawing, sequentially installing a sliding support component 3 and a sliding cover plate 2 on a fixed chassis 1 after the manufacturing is finished, simulating and debugging the displacement of the sliding cover plate 2 to ensure the stable movement in the horizontal and vertical directions, meeting the requirements of site construction in a moving range, installing a supporting mechanism and a locking mechanism between the fixed chassis 1 and the sliding cover plate 2 after the debugging is qualified, temporarily fixing the fixed chassis 1 and the sliding cover plate 2 through the locking mechanism, and specifically installing the following steps,
step S21, assembling the sliding support assembly 3, placing the hollow part of the support base 306 upwards and regularly, placing a proper amount of lubricating grease in the hollow part, placing a stainless steel ball with a clean surface into a first installation cavity 308 of the support base 306, placing a first sealing ring 315 at the top of the stainless steel ball, placing a second sealing ring 316 in a sealing groove 314, and then buckling a gland 307 on the support base 306 and fixing the gland through a fastening screw 313;
step S22, respectively screwing eight fixing screws 301 to first bolt grooves 106 corresponding to the chassis body 101 to fix the hydraulic oil cylinder 302 on the chassis body 101, and then sleeving a connecting sleeve 305 at the bottom of a supporting base 306 on the top end of the hydraulic oil cylinder 302 to complete the installation and fixation of the sliding supporting assembly 3;
step S23, placing the sliding cover plate 2 on the top of the sliding support assembly 3, debugging the displacement in the horizontal and vertical directions, aligning a fourth bolt hole 207 on the sliding cover plate 2 with a second bolt hole 105 on the fixed chassis 1 after debugging is finished, and penetrating a connecting bolt 6 between the fourth bolt hole and the second bolt hole to temporarily fix the sliding cover plate 2;
step S3, prefabricating and processing the vertical pipe 7 in the floor pipe well according to a design drawing by combining the height of a floor and the throwing-off elevation of each branch pipe, and primarily assembling a pipe section of the vertical pipe 7, wherein during assembly, a valve, an inspection opening, a corrugated compensator and the like which are arranged on the vertical pipe 7 in a matched mode need to be synchronously assembled according to the respective corresponding elevation;
s4, reserving through-pipe holes of a structural floor slab 11 at the position of the pipe well, wherein the positioning size of the vertical pipe 7 is determined according to the BIM comprehensive layout in the pipe well before the prefabricated building component is processed and poured, the through-pipe holes are reserved by combining the size of the vertical pipe 7, the size of the through-pipe holes is 40mm larger than the outer diameter of the vertical pipe 7, and is not smaller than two times of the thickness of a heat-insulating layer of the vertical pipe 7 and the horizontal moving range of the vertical pipe 7 (the moving range of the vertical pipe 7 below DN200 is usually about 20mm, but the moving range of the large-size vertical pipe 7 above DN500 is usually between 50mm and 80 mm), the actually finished reserved holes in the prefabricated building component pipe well are consistent with the design size, and the size deviation is not larger than +/-1 mm;
s5, installing each horizontal branch pipe in the structural layer of the assembly type component, and after the pouring of the assembly type component is finished and the strength of the component meets the design requirement, installing the horizontal branch pipes in the structural layers according to the design drawing, wherein the horizontal branch pipes in a certain range (usually 0.5 m) away from the pipe well are not installed temporarily during installation so as to be connected with a throwing port of a vertical pipe 7 in the pipe well subsequently;
s6, pre-installing the vertical pipe 7 in the pipe well according to the BIM comprehensive layout diagram and the following steps,
s61, installing a sliding type vertical pipe support, carrying out paying-off positioning on the upper surface of a structural floor 11 in the fabricated component pipe well through a theodolite, and fixing the calibrated sliding type vertical pipe support at a paying-off position through an anchoring bolt 5;
step S62, the assembled pipe section of the riser 7 is inserted into the first through hole 102 and the second through hole 202 of the sliding type riser support, when the branch pipe flail is arranged below the structural floor 11, the riser 7 is inserted from the lower part of the structural floor 11 in a lifting mode, and when the branch pipe flail is arranged above the structural floor 11, the riser 7 is inserted from the upper part of the structural floor 11 in a descending mode;
step S63, fixing the stand pipe 7 and the sliding cover plate 2 firmly in a clamping manner or a welding manner of the supporting lug plate 208;
step S64, mounting a finished pipeline support 8 at the design position of the next layer of pipe well (usually, the position of the next layer of pipe well, which is about 1.5m away from the ground), temporarily fixing the pre-mounted vertical pipe 7 through the finished pipeline support 8 (the fixed size of the finished pipeline support 8 is adjustable, and the size of the support in the horizontal direction can be adjusted by virtue of a long round bolt hole on C-shaped channel steel), and connecting the vertical pipe 7 of the floor to be hoisted and the assembly type component into a whole after temporary fixing;
s7, synchronously hoisting the assembled component and the vertical pipe 7 in place;
step S8, the pipe well vertical pipes 7 are connected in a butt joint mode, after the assembly type components of all floors are hoisted in place, the pipe well vertical pipes 7 are precisely butted, the specific construction steps are as follows,
s81, loosening the finished product pipeline bracket 8 on the pipe section of the vertical pipe 7 and releasing the temporary fixation of the locking mechanism;
step S82, adjusting the vertical pipe 7 in the horizontal direction of the axis of the adjacent upper layer vertical pipe 7 and the adjacent lower layer vertical pipe 7 by means of the theodolite and the sliding of the sliding cover plate 2 until the axes of the upper layer vertical pipe 7 and the lower layer vertical pipe 7 are superposed;
s83, injecting hydraulic oil into an oil filling cavity of the hydraulic oil cylinder to slowly lift the vertical pipe 7 at the lower layer until a gap between the vertical pipe 7 at the upper layer and the vertical pipe at the lower layer meets the connection requirement;
step S84, connecting and fixing the aligned connecting flanges 9 of the upper layer vertical pipe 7 and the lower layer vertical pipe 7 through assembling bolts 10;
step S85, screwing the supporting bolt 4 downwards, and enabling the bottom end of the supporting bolt 4 to abut against the top surface of the chassis body 101, so that excessive stress is prevented from being formed on the point-shaped contact surface of the ball 310 and the sliding cover plate 2, and the support can work normally for a long time;
step S86, adjusting and fixing the finished product pipeline bracket 8 again;
step S87, sequentially carrying out butt joint work on the stand pipes 7 at other floors according to a construction sequence from top to bottom, adding a compensation short pipe at every other floor to make up for the vacancy caused by the length deviation of the stand pipes 7 until the butt joint of all the stand pipe sections of the stand pipes 7 is completed, wherein in order to avoid the damage of the upper and lower layer stand pipes 7 due to mutual collision in the installation process of the structure module, the length of each layer of the stand pipe 7 is usually 20-40mm shorter than the height of the layer, and considering the stability of the hydraulic support assembly in the horizontal movement process of the stand pipe 7, the jacking adjustment allowance of the hydraulic support assembly is usually 100-200mm, therefore, the hydraulic jacking can only digest the length deviation of the stand pipes 7 of about five layers, so that one compensation short pipe is required to be arranged at every five layers, and the length of the compensation short pipes is blanked according to the actual situation on site;
and S88, connecting the vertical pipe 7 with the horizontal branch pipe, accurately measuring the length between the throwing position of the vertical pipe 7 and the pipe orifice of the horizontal branch pipe, and processing an elbow connecting pipe fitting with a proper length to communicate the vertical pipe 7 with the horizontal branch pipe.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a slidingtype riser support which characterized in that: the floor comprises a fixed chassis (1) and a sliding cover plate (2), wherein the fixed chassis (1) comprises a chassis body (101) fixedly arranged on the top surface of a structural floor (11), a first through hole (102) matched with the pipe diameter of a riser (7) is formed in the middle of the chassis body (101), a plurality of groups of sliding support components (3) with height adjusting function are arranged at intervals on the top of the chassis body (101), the sliding cover plate (2) is correspondingly arranged above the fixed chassis (1), the sliding cover plate (2) comprises a cover plate body (201) parallel to the chassis body (101), a second through hole (202) matched with the pipe diameter of the riser (7) is formed in the middle of the cover plate body (201), a protective sleeve (203) is fixedly arranged on the cover plate body (201) at the edge position of the second through hole (202), the cover plate body (201) is fixedly connected with the riser (7) penetrating through the first through hole (102) and the second through hole (202) through a clamping mechanism, a circle of the cover plate body (201) is fixedly connected with the riser (7) penetrating through the clamping mechanism, the cover plate body (102) and the sliding support components (101) and the sliding support components (3) are arranged at the bottom end of the sliding support components, and the sliding support components are abutted against the sliding support components (101), when the bottom end of the supporting mechanism is supported on the chassis body (101), the cover plate body (201) is lifted to the upper part of the sliding support component (3) and forms a certain gap with the sliding support component (3).
2. The sliding riser mount according to claim 1, wherein: the sliding support assembly (3) comprises a hydraulic support assembly at the bottom and a sliding support at the top.
3. The sliding riser mount of claim 2 wherein: the hydraulic support assembly comprises a vertically arranged hydraulic oil cylinder (302), a fixing screw (301) is fixedly arranged at the bottom end of the hydraulic oil cylinder (302), the fixing screw (301) is screwed in a first bolt groove (106) formed in the chassis body (101), a piston rod (303) is arranged at the top of the hydraulic oil cylinder (302), and an oil inlet pipe (304) communicated with an oil charging cavity inside the hydraulic oil cylinder (302) is arranged at the position of the hydraulic oil cylinder (302) below the piston rod (303).
4. The sliding riser mount according to claim 2 wherein: the sliding support comprises a supporting base (306) arranged at the top end of a hydraulic supporting assembly, a hemispherical first installation cavity (308) is formed in the middle of the top end of the supporting base (306), a ball (310) capable of rotating freely is arranged in the first installation cavity (308), a gland (307) is arranged above the supporting base (306), a second installation cavity (309) is formed in the position, corresponding to the ball (310), of the gland (307), a circular opening allowing the top of the ball (310) to extend out is formed in the top of the second installation cavity (309), the radius of the circular opening in the top of the second installation cavity (309) is smaller than that of the ball (310), a plurality of groups of vertically aligned fifth bolt holes (312) and second bolt grooves (311) are formed in the gland (307) and the supporting base (306) on the outer side of the ball (310), a fastening screw (313) penetrates through the threads in each of the fifth bolt holes (312) and the second bolt grooves (311) vertically aligned, and the fastening screws (313) fix the gland (307) on the supporting base (306).
5. The sliding riser mount of claim 4 wherein: first installation cavity (308) and second installation cavity (309) intussuseption are filled with emollient, be provided with first sealing washer (315) in the circular opening in second installation cavity (309) top, and correspond on gland (307) in ball (310) outside and the support base (306) and seted up round seal groove (314), the cross section of gland (307) and the seal groove (314) of seting up on the support base (306) is the semi-cylindrical, two semi-cylindrical seal groove (314) lock form a complete cylindric cavity, and be provided with annular second sealing washer (316) in the cylindric cavity.
6. The sliding riser mount according to claim 1, wherein: fixture supports otic placode (208) for setting up a plurality of pieces on riser (7) week side according to annular array, support otic placode (208) both ends respectively with riser (7) pipe wall and apron body (201) welded fastening.
7. The sliding riser mount according to claim 1, wherein: the supporting mechanism comprises a plurality of supporting bolts (4), the supporting bolts (4) are arranged on the cover plate body (201) on the outer side of the second through hole (202) according to an annular array, the bottom ends of the supporting bolts (4) penetrate through the cover plate body (201) along third bolt holes (206) formed in the cover plate body (201) and extend to the lower side of the cover plate body (201), and the supporting bolts (4) are in threaded fit with the cover plate body (201).
8. The sliding riser mount of claim 1 wherein: the locking mechanism comprises a plurality of connecting bolts (6), the connecting bolts (6) are arranged between the fixed chassis (1) and the sliding cover plate (2) on the outer side of the vertical pipe (7) in an annular array mode, and the fixed chassis (1) is fixedly connected with the sliding cover plate (2) through the connecting bolts (6).
9. The sliding riser mount of claim 1 wherein: a circle of limiting hoop (204) extending downwards is arranged at the edge of the cover plate body (201).
10. A method of constructing a sliding riser seat according to any of claims 1-9 during installation of a sliding riser seat, comprising the steps of:
step S1, BIM deepening design, according to a design drawing, combining the number, specification and heat preservation requirements of the vertical pipes (7) in the pipe well, comprehensively arranging the vertical pipes (7) in the pipe well by using a BIM technology, and determining the throwing port elevation of the upper branch pipe of each vertical pipe (7), wherein the throwing port position of the upper branch pipe of each vertical pipe (7) needs to be lower than the distance of 2-3 times of the pipe diameter of the branch pipe of the horizontal pipeline arrangement elevation arranged on a structural floor slab (11);
s2, prefabricating and assembling the sliding type vertical pipe support, machining and manufacturing the sliding type vertical pipe support according to a design drawing, sequentially installing a sliding support assembly (3) and a sliding cover plate (2) on the fixed chassis (1) after the manufacturing is finished, simulating and debugging the displacement of the sliding cover plate (2) after the installation is finished, installing a supporting mechanism and a locking mechanism between the fixed chassis (1) and the sliding cover plate (2) after the debugging is qualified, and temporarily fixing the fixed chassis (1) and the sliding cover plate (2) through the locking mechanism;
step S3, prefabricating and processing the vertical pipe (7) in the floor pipe well according to a design drawing by combining the height of a floor and the throwing height of each branch pipe, and primarily assembling a pipe section of the vertical pipe (7), wherein during assembly, a valve, an inspection hole and a corrugated compensator which are installed on the vertical pipe (7) in a matched mode need to be synchronously assembled according to respective corresponding heights;
s4, reserving through pipe holes in a structural floor slab (11) at the position of the pipe well, and reserving the through pipe holes according to the positioning size of the vertical pipes (7) determined by the BIM comprehensive layout in the pipe well and the size of the vertical pipes (7) before the prefabricated building component is processed and poured;
s5, installing each horizontal branch pipe in the structural layer of the assembly type component, and after the pouring of the assembly type component is finished and the strength of the component meets the design requirement, installing the horizontal branch pipes in the structural layers according to a design drawing, wherein the horizontal branch pipes which are in a certain range away from the pipe well are not installed temporarily during installation;
s6, pre-installing the vertical pipe (7) in the pipe well according to the BIM comprehensive layout diagram and the following steps,
s61, installing a sliding type vertical pipe support, carrying out paying-off positioning on the upper surface of a structural floor (11) in the fabricated component pipe well through a theodolite, and fixing the sliding type vertical pipe support at a paying-off position through an anchoring bolt (5);
step S62, the assembled riser (7) pipe section is inserted into a first perforation hole (102) and a second perforation hole (202) of the sliding type riser support;
s63, fixing the vertical pipe (7) and the sliding cover plate (2) firmly through a clamping mechanism;
s64, mounting a finished product pipeline support (8) at the design position of the next layer of pipe well, temporarily fixing the pre-mounted vertical pipe (7) through the finished product pipeline support (8), and connecting the vertical pipe (7) of the floor to be hoisted and the assembled member into a whole after the temporary fixing;
s7, synchronously hoisting the assembled component and the vertical pipe (7) in place;
step S8, the pipe well vertical pipes (7) are connected in a butt joint mode, after the assembly type components of all floors are hoisted in place, the pipe well vertical pipes (7) are precisely butted, and the construction method comprises the following specific steps,
s81, loosening a finished product pipeline bracket (8) on a pipe section of the vertical pipe (7), and releasing the temporary fixation of the locking mechanism;
s82, adjusting the vertical pipe (7) in the horizontal direction of the axis of the adjacent upper and lower layers of vertical pipes (7) by means of the theodolite and sliding of the sliding cover plate (2) until the axes of the upper and lower layers of vertical pipes (7) are overlapped;
s83, adjusting the height of the vertical pipe (7) through the sliding support assembly until the gap between the upper layer vertical pipe (7) and the lower layer vertical pipe (7) meets the connection requirement;
step S84, connecting and fixing the upper layer vertical pipe (7) and the lower layer vertical pipe (7);
step S85, adjusting the height of the supporting mechanism, and enabling the bottom end of the supporting mechanism to abut against the top surface of the chassis body (101);
step S86, adjusting and fixing the finished product pipeline bracket (8) again;
step S87, sequentially carrying out butt joint work on the vertical pipes (7) at other floors according to the construction sequence from top to bottom, and additionally arranging a compensation short pipe at certain intervals to make up for the vacancy caused by the length deviation of the vertical pipes (7) until the butt joint of pipe sections of all the vertical pipes (7) is completed;
and S88, connecting the vertical pipe (7) with the horizontal branch pipe, accurately measuring the length between the mouth throwing position of the vertical pipe (7) and the pipe orifice of the horizontal branch pipe, and processing an elbow connecting pipe fitting with a proper length to communicate the vertical pipe (7) with the horizontal branch pipe.
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| CN202211503020.1A CN115654214B (en) | 2022-11-29 | 2022-11-29 | Sliding type vertical pipe support and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116357016A (en) * | 2023-03-27 | 2023-06-30 | 兰州有色冶金设计研究院有限公司 | Sliding type injection cavity pressing device and injection method for forming plug pin film on surface of reinforced concrete column |
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| CN115654214B (en) | 2023-03-10 |
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