CN109881958B - Construction method of spiral hemming steel plate bin - Google Patents
Construction method of spiral hemming steel plate bin Download PDFInfo
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- CN109881958B CN109881958B CN201910224512.9A CN201910224512A CN109881958B CN 109881958 B CN109881958 B CN 109881958B CN 201910224512 A CN201910224512 A CN 201910224512A CN 109881958 B CN109881958 B CN 109881958B
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Abstract
The invention relates to a construction method of a building, in particular to a construction method of a spiral hemming steel plate bin. A, construction preparation, basic platform reinspection, measurement and setting out; B. the equipment material enters the field and is reported and checked; C. hoisting materials, equipment, components and tools; D. assembling the tools; E. rolling the bin body and closing the bin wall; F. installing a steel plate warehouse top; G. rolling the bin body and installing reinforcing ribs; H. the root falls from the bin body; I. installing an auxiliary steel structure; J. dismantling equipment and tools; K. and filling the slope with concrete in the bin. The invention adopts the rotary jacking and inversion, does not need large-scale hoisting mechanical equipment, works in the bin, is not influenced by weather, wind speed and the like, and has good working environment; the production line is continuous, and the construction period is correspondingly accelerated.
Description
Technical Field
The invention relates to a construction method of a building, in particular to a construction method of a spiral hemming steel plate bin.
Background
At present, the domestic main steel plate bin types comprise a corrugated plate assembled (assembled) steel plate bin and a spiral seaming curling steel plate bin. Compared with other steel plate bins, the spiral seaming and edge rolling steel plate bin has the characteristics of good overall performance, long service life, good air tightness, wide application, short construction period, low manufacturing cost, easiness in management, small occupied area, attractive and elegant appearance, clean delivery, energy conservation and environmental protection, and is well received in various application fields. The storage device can store powdery materials such as cement, fly ash, superfine slag powder and the like, is widely applied in the building material industry, and is mostly used as an intermediate bin, a raw material bin, a finished product bin and the like in the metallurgy industry. The existing construction needs large-scale hoisting equipment, and the construction period is long.
Disclosure of Invention
The invention aims to provide a construction method of a spiral hemming steel plate bin, which shortens the construction period and improves the construction efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a construction method of a spiral hemming steel plate bin comprises the following steps:
A. construction preparation, base platform reinspection, measurement and setting-out;
B. the equipment material enters the field and is reported and checked;
C. material, equipment, component and tool hoisting
The construction materials, the equipment, the components and the tooling are hoisted on the upper basic platform by a crane, and the bending machine, the forming machine and the uncoiler are arranged according to the process sequence and the construction requirement;
D. tooling assembly
The bin body rolling tool is used for grouping, the bending machine, the forming machine and the uncoiler are linked to test, and the running clearance of the forming machine and the processing part of the bending machine is adjusted;
E. the fifth step: storehouse body rolling and cylinder wall closing
Feeding the rolled plate into a forming machine of a construction unit, starting rolling, enabling the rolled plate to enter an inlet guide groove of a bending machine after a groove meets requirements, bending the rolled plate by the bending machine to a finished rolled plate, guiding the rolled plate to move for a circle along an upright post force arm to a supporting wheel, closing the rolled plate with a lower ring formed rolled plate in front of the bending machine, enabling an upper ring formed rolled plate and a lower ring formed rolled plate to be combined with the groove, enabling mutually engaged grooves to enter the bending machine, completing the combined engagement of the upper ring rolled plate and the lower ring rolled plate, realizing the closing of the rolled plate on the cylinder wall, stopping when continuously rolling two to three rings of rolled plates, and installing;
F. warehouse top for installing steel plates
Welding a lower expansion ring at a specified position of an upper opening of a steel plate warehouse barrel, erecting an upper expansion ring by using a support frame, welding purlins with the upper expansion ring and the lower expansion ring, welding two circumferential brace between the purlins, installing a steel plate warehouse top keel frame, installing a warehouse top cover plate and installing a warehouse top fence upright rod;
G. storehouse body is rolled up and is made and strengthening rib installation
After the warehouse top is installed, dividing a reinforcing rib installation line according to the requirements of design drawings, adopting rotary jacking and inverted installation to alternately perform warehouse body rolling and reinforcing rib installation, rolling a steel plate warehouse barrel body, rolling the warehouse wall to a certain height, and welding reinforcing ribs on the inner side of the warehouse wall according to the regulations of the design drawings;
H. root falling of the storehouse
After the silo falls to the ground, welding and installing all the cylinder wall reinforcing ribs to the steel plate silo foundation embedded component;
I. installation of auxiliary steel structure
Installing a fabrication hole, a manhole, an inner climbing ladder and an outer spiral steel ladder;
J. demolish equipment, frock
Dismantling the equipment and the corresponding tool after the steel plate bin takes root in the ground;
K. concrete slope filling in storehouse
The holes are formed in the wall of the steel plate bin, so that the pump pipe of the automobile pump can conveniently extend into the bin to fill the slope and pour, and the holes are plugged after the slope is filled.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
the invention adopts the rotary jacking and inversion, does not need large-scale hoisting mechanical equipment, works in the bin, is not influenced by weather, wind speed and the like, and has good working environment; the production line is continuous, and the construction period is correspondingly accelerated.
Drawings
FIG. 1 is a schematic elevation view of a spiral steel plate silo according to an embodiment of the invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic diagram of the node B of FIG. 1;
FIG. 4 is a schematic diagram of node C of FIG. 1;
in the figure, a steel plate bin wall 1; a reinforcing rib 2; a lower expanding ring 3; an upper expanding ring 4; a purlin 5; a cover plate 6; a base platform 7; a pre-buried member 8; and (5) filling the slope 9 with concrete.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Referring to fig. 1, a construction method of a spiral hemming steel plate bin is performed according to the following steps:
A. construction preparation, foundation platform reinspection, measurement and paying-off
According to the process requirements and design drawings, the distribution size, the position and the number of embedded members of the steel plate bin construction foundation and the levelness, the bearing capacity and the stability of a foundation platform 7 are checked, and a steel plate bin falling rooting installation line is measured and paid out;
B. device material incoming reporting and checking
According to relevant requirements, the engineering construction equipment, tooling accessories, engineering prefabricated parts, engineering masters and auxiliary materials are reported to a supervision manager or owner for inspection, examination and the like;
C. material, equipment, component and tool hoisting
Construction material, equipment, component and for frock crane hoist go up basic platform 7, equipment is put the order and is: placing the bending machine, the forming machine and the uncoiler at corresponding and specified distances, wherein the material placing sequence is as follows: the steel coil plate material for construction is placed at the position from near to far at the rear part of the uncoiler according to the thickness of the steel coil plate material; the stacking mode of the reinforcing ribs is that the reinforcing ribs are firstly used at the upper part and then used at the lower part, and the small-size materials are arranged at the upper part and the large-size materials are arranged at the lower part; the stacking mode of the steel plate warehouse top material and the components is that the steel plate warehouse top material and the components are firstly used at the top and then used at the bottom;
D. tooling assembly
Marking a falling line to determine the erection position of the frame upright of the construction equipment and finding the levelness of the foundation platform 7; arranging and erecting the equipment in place according to the specifications of related equipment operation manuals, and adjusting the radial horizontal angle and the circumferential rising angle of a silo of the equipment; arranging and installing a bearing support and a connecting frame, and adjusting the included angle of the force arm of the bearing support and the helix angle of a guide rail wheel; switching on a power supply, debugging and performing linked test run; adjusting the running clearance of the processing parts of the equipment processing forming machine and the bending machine;
E. storehouse body rolling and cylinder wall closing
Rolling the bin body: hoisting a coiled plate onto an uncoiler by using a triangular bracket and an electric chain block, and cutting the head of the coiled plate into a cone shape so that the coiled plate can enter a forming machine of a construction unit for feeding and starting to coil;
closing the cylinder wall: when the coiled plate is processed into a groove combined with the upper and lower coils by a forming machine, the geometric size of a forming notch of the groove is checked, the processed and formed coiled plate enters an inlet guide groove of a bending machine after meeting the specification, and the combined groove on the processed and formed coiled plate is rolled into a flat round convex strip shape in section. And the coiled plate which is bent by the bending machine to be in a finished state travels for a circle along the force arm of the upright post to guide the bearing wheel, and is jointed with the lower ring forming coiled plate in front of the bending machine. Before the coils on the wall of the steel plate bin are closed, the length of the formed coils is measured, when the circumference design specification and size of the steel plate bin are met, the combination type grooves of the upper and lower coils of the formed coils are matched, the upper edge type groove of the lower coil of the formed coils is clamped into the inner side of the lower edge type groove of the upper coil of the formed coils, the mutually-meshed type grooves enter a bending machine, the combination seaming of the upper and lower coils of the coils is completed, and the closing of the coils on the bin wall is realized. And (4) continuing to advance for 1-2 meters by the bending machine after the coils are rolled on the wall of the steel plate bin, checking the thickness of the spiral undercut convex strip by using a vernier caliper, and formally starting to roll the steel plate bin barrel after the thickness meets relevant regulations. And normally rolling the barrel body and installing and using a horizontal edge trimmer of the steel plate bin barrel body to cut the horizontal line of the upper opening of the bin wall. Stopping when continuously rolling two to three circles (about 1.5 m in height) of the rolled plate, and mounting the top of the steel plate warehouse;
F. warehouse top for installing steel plates
Installing a steel plate warehouse top lower expansion ring 3 (shown in figure 3): cleaning and regulating the horizontal cutting line of the upper opening of the bin wall, and then welding the formed lower expanding ring 3 on the specified position of the upper opening of the steel plate bin cylinder by using related welding rods;
dividing a mounting line at the lower end of the purline 5: installing an upper expanding ring 4 and a purline 5 (shown in figure 4), dividing an installation line at the upper end of the purline 5 on the upper expanding ring 4, supporting the upper expanding ring 4 by a support frame, and adjusting the installation direction of the upper expanding ring to ensure that the installation line of the purline 5 is matched with the radius ray of the cylinder body of the steel plate bin (determined by using a horizontal pull line and a vertical line). And (4) determining the arching height of the warehouse top (using a pull line at the upper opening of the cylinder body, and measuring the vertical distance from the lower edge of the upper expansion ring to the horizontal pull line by using a steel ruler). And (3) welding the purlines 5 with the upper and lower expanding rings 3, welding two annular brace strips between the purlines 4, installing a steel plate warehouse top keel frame, and installing a warehouse top cover plate 6 after the steel plate warehouse is qualified. The top cover plate 6 of the installation warehouse adopts a lap welding or a filling and burying welding mode. Then coating paint on the inner and outer surfaces of the warehouse top, and installing the upright rods of the fence at the warehouse top;
G. storehouse body is rolled up and is made and strengthening rib installation
After the installation of the warehouse top is finished, the installation lines (shown in figure 2) of the reinforcing ribs 2 are divided according to the requirements of design drawings and the installation quantity, the steel plate warehouse cylinder is rolled, the warehouse wall is rolled to a certain height, and the reinforcing ribs (the inner side of the warehouse wall) are welded according to the variety, the specification and the size specified by the design drawings. On the defined reinforcing rib mounting line, the verticality of the reinforcing rib 2 is determined by using a level ruler, so that the upper end of the reinforcing rib 2 is abutted against the lower edge of the warehouse top lower expansion ring 4, the reinforcing rib and the warehouse wall are firstly spot-welded together, and then the exposed joint of the reinforcing rib 2 and the lower expansion ring 4 is fully welded together. The welding lengths of the upper side, the lower side, the left side and the right side of the seaming of the reinforcing ribs 2 and the warehouse wall are more than or equal to 50mm, and the thickness of the welding seam is not less than that of the welded plate. The two sections of reinforcing ribs are connected by adopting connecting plates according to the specification specified by a design drawing;
H. root falling of the storehouse
After the silo falls to the ground, observing the verticality and the ovality of the steel plate silo barrel by using a theodolite, and welding and installing all the cylinder wall reinforcing ribs 2 to the steel plate silo foundation embedded component 8 after the steel plate silo meets the standard regulation;
I. installation of auxiliary steel structure
The subsidiary steel structure includes: the technical hole, the manhole, the inner ladder stand, the outer spiral steel ladder and the like are correspondingly arranged according to the drawing specification, and the inner ladder stand of the steel plate bin is arranged after the steel plate bin takes root in the ground and is arranged from bottom to top;
J. demolish equipment, tools, etc
When the steel plate bin is fallen to the ground and roots, the equipment and the corresponding tool can be disassembled;
K. concrete slope filling in storehouse
The holes are formed in the wall of the steel plate bin, so that the pump pipe of the automobile pump can conveniently extend into the bin to fill the slope and pour, and the holes are plugged after the slope filling 9 is finished.
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 scope of the present invention, which is defined in the appended claims.
Claims (1)
1. A construction method of a spiral hemming steel plate bin is carried out according to the following steps:
A. construction preparation, foundation platform reinspection, measurement and paying-off
According to the process requirements and design drawings, the distribution size, the position and the number of embedded members of the steel plate bin construction foundation, the levelness, the bearing capacity and the stability of a foundation platform are checked, and a steel plate bin falling rooting installation line is measured and paid out;
B. device material incoming reporting and checking
According to relevant requirements, reporting the engineering construction equipment, tooling accessories, engineering prefabricated components, engineering main materials and auxiliary materials to a supervision manager or an owner for inspection and examination;
C. material, equipment, component and tool hoisting
Construction material, equipment, component and for frock crane hoist basic platform on, the order is put to equipment: placing the bending machine, the forming machine and the uncoiler at corresponding and specified distances, wherein the material placing sequence is as follows: the steel coil plate material for construction is placed at the position from near to far at the rear part of the uncoiler according to the thickness of the steel coil plate material; the stacking mode of the reinforcing ribs is that the reinforcing ribs are firstly used at the upper part and then used at the lower part, and the small-size materials are arranged at the upper part and the large-size materials are arranged at the lower part; the stacking mode of the steel plate warehouse top material and the components is that the steel plate warehouse top material and the components are firstly used at the top and then used at the bottom;
D. tooling assembly
Marking a bin dropping line to determine the erection position of the upright post of the frame of the construction equipment and finding the levelness of the foundation platform; arranging and erecting the equipment in place according to the specifications of related equipment operation manuals, and adjusting the radial horizontal angle and the circumferential rising angle of a silo of the equipment; arranging and installing a bearing support and a connecting frame, and adjusting the included angle of the force arm of the bearing support and the helix angle of the guide bearing wheel; switching on a power supply, debugging and performing linked test run; adjusting the running clearance of the processing parts of the equipment processing forming machine and the bending machine;
E. storehouse body rolling and cylinder wall closing
Rolling the bin body: hoisting a coiled plate onto an uncoiler by using a triangular bracket and an electric chain block, and cutting the head of the coiled plate into a cone shape so that the coiled plate can enter a forming machine of a construction unit for feeding and starting to coil;
closing the cylinder wall: when the coil is processed into a groove combined with the upper and lower coils by a forming machine, the geometric size of a forming notch of the coil is checked, the processed and formed coil enters an inlet guide groove of a bending machine after meeting the specification, and the combined groove on the processed and formed coil is rolled into a flat round convex strip shape in section; bending the coil plate processed to be in a finished state by a bending machine, guiding the bearing wheel to travel for a circle along the force arm of the upright post, and joining the coil plate with the lower ring forming coil plate in front of the bending machine; before the coils on the wall of the steel plate bin are closed, measuring the length of the formed coils, when the length meets the design specification and size of the perimeter of the steel plate bin, matching the upper and lower coil forming coil combination grooves, clamping the upper edge groove of the lower coil forming coil into the inner side of the lower edge groove of the upper coil forming coil, and enabling the mutually-meshed grooves to enter a bending machine to complete the combination seaming of the upper and lower coil coils and realize the closing of the coils on the bin wall; the rolling plate of the cylinder wall of the steel plate bin is closed and continues to move for 1-2 meters through the bending machine, the thickness of the spiral undercut convex strip is checked by a vernier caliper, and the rolling of the cylinder body of the steel plate bin is formally started after relevant regulations are met; normally rolling the barrel and installing and using a steel plate bin barrel horizontal edge trimmer to cut the horizontal line of the upper opening of the bin wall; stopping when continuously rolling two to three circles of rolled plates, and installing the top of the steel plate warehouse;
F. warehouse top for installing steel plates
Installing a steel plate warehouse top lower expansion ring: cleaning and regulating the horizontal cutting line of the upper opening of the bin wall, and then welding the formed lower expansion ring on the specified position of the upper opening of the steel plate bin cylinder by using related welding rods;
dividing a purline lower end mounting line: installing an upper expanding ring and purlines, dividing installation lines at the upper ends of the purlines on the upper expanding ring, supporting the upper expanding ring by using a support frame, and adjusting the installation direction of the upper expanding ring to enable the installation lines of the purlines to be matched with the radius rays of the cylinder body of the steel plate bin; determining the arching height of the warehouse top; welding purlins with the upper and lower expanding rings, welding two annular brace between the purlins, installing a steel plate warehouse top keel frame, and installing a warehouse top cover plate after passing the inspection; the top cover plate of the installation warehouse adopts a lap welding or embedding welding mode; then coating paint on the inner and outer surfaces of the warehouse top, and installing the upright rods of the fence at the warehouse top;
G. storehouse body is rolled up and is made and strengthening rib installation
After the warehouse top is installed, dividing reinforcing rib installation lines according to the requirements of design drawings and installation quantity, rolling a steel plate warehouse barrel body, rolling the warehouse wall to a certain height, and welding reinforcing ribs according to the variety, specification and size specified by the design drawings; on the defined reinforcing rib mounting line, the verticality of the reinforcing rib is determined by using a horizontal ruler, so that the upper end of the reinforcing rib props against the lower edge of the lower expansion ring of the warehouse top, the reinforcing rib and the warehouse wall are firstly spot-welded together, and then the reinforcing rib and the exposed joint of the lower expansion ring are fully welded together; the welding length is more than or equal to 50mm on the upper side, the lower side, the left side and the right side of the seam of the reinforcing rib and the warehouse wall, and the thickness of the welding seam is not less than that of the welded plate; the two sections of reinforcing ribs are connected by adopting connecting plates according to the specification specified by a design drawing;
H. root falling of the storehouse
After the silo falls to the ground, observing the verticality and the ovality of the steel plate silo barrel by using a theodolite, and welding and installing all cylinder wall reinforcing ribs to the steel plate silo foundation embedded component after the steel plate silo meets the standard regulation;
I. installation of auxiliary steel structure
The subsidiary steel structure includes: the technical hole, the manhole, the inner ladder and the outer spiral steel ladder are correspondingly arranged according to the specification of a drawing, and the inner ladder of the steel plate bin is arranged after the steel plate bin takes root on the ground and is arranged from bottom to top;
J. demolish equipment, frock
When the steel plate bin is fallen to the ground and roots, the equipment and the corresponding tool can be disassembled;
K. concrete slope filling in storehouse
The holes are formed in the wall of the steel plate bin, so that the pump pipe of the automobile pump can conveniently extend into the bin to fill the slope and pour, and the holes are plugged after the slope is filled.
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| CN201910224512.9A CN109881958B (en) | 2019-03-23 | 2019-03-23 | Construction method of spiral hemming steel plate bin |
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| CN109881958B true CN109881958B (en) | 2021-02-09 |
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| CN112012545A (en) * | 2020-08-18 | 2020-12-01 | 上海建工四建集团有限公司 | Construction method of steel plate silo |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201810018U (en) * | 2010-10-19 | 2011-04-27 | 安阳市大正钢板仓有限责任公司 | Double-layer spiral bite steel silo |
| CN202401808U (en) * | 2011-12-27 | 2012-08-29 | 哈尔滨北仓粮食仓储工程设备有限公司 | Flat-top steel plate silo |
| CN103867016A (en) * | 2012-12-17 | 2014-06-18 | 朱耀平 | Super-large building-block reinforced concrete silo structure and mounting process |
| CN105041030B (en) * | 2015-06-24 | 2017-10-31 | 中冶天工上海十三冶建设有限公司 | A kind of installation method of pin-connected panel warehouse |
| CN204975104U (en) * | 2015-07-30 | 2016-01-20 | 山东华显安装建设有限公司 | Be used for processing vertical pay -off all -in -one that takes shape of opening a book of storage tank barrel |
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