CN100480481C - Quadrangular pyramid sphere net case falsework-free constructing and mounting method and hoisting machine tool - Google Patents
Quadrangular pyramid sphere net case falsework-free constructing and mounting method and hoisting machine tool Download PDFInfo
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- CN100480481C CN100480481C CNB2007101564463A CN200710156446A CN100480481C CN 100480481 C CN100480481 C CN 100480481C CN B2007101564463 A CNB2007101564463 A CN B2007101564463A CN 200710156446 A CN200710156446 A CN 200710156446A CN 100480481 C CN100480481 C CN 100480481C
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Abstract
The invention discloses a construction and installation method for a quadrangular pyramid spherical surface reticulated shell without a scaffold, and a hoisting tool. Firstly, component installation is performed on the ground, each component comprises a ball and four rods, then, a hoisting tool hoists the components, and being matched with hoisting emplacement, the construction installation of connecting the four rods with the four balls is performed manually at the emplacement position. By installing and overlapping circles one by one, the entire quadrangular pyramid spherical surface reticulated shell is constructed. The hoisting tool of the invention is a section steel support type button pole which comprises components of a piece of section steel, a button pole, two cable wind ropes provided with chains, a pulley, an winding engine, a steel cable and a plurality of bolts. The components are simple, portable and cheap, but the assembled hoisting tool can solve the problem of high clear mesh installation of heavy components of the quadrangular pyramid spherical surface reticulated shell. Compared with the traditional construction method, the method of the invention has the advantages of high construction efficiency, short construction period, convenient construction, high installation quality fine ratio, and low construction cost.
Description
Technical field
The present invention relates to the construction of large span space latticed shell structure, especially relating to a kind of quadrangular pyramid sphere net case does not have scaffold construction shaped steel holder support formula hoisting machine tool.
Background technology
Double-level Reticulated Shell is the pattern commonly used of large-span space structure, and the ball node that comprises upper chord, web member, lower chord and connect rod member mainly contains systems such as quadrangular pyramid, pyrometric cone.For the latticed shell structure tens meters even up to a hundred meters of headway overhead, but there is very big difficulty in construction.Reason is:
Though 1, the lifting capacity of jack lifts such as mobile crane, crawler crane, tower crane can satisfy the requirement of loose mails such as lifting ball of latticed shell structure and bar, is subjected to the restriction of the brachium of jack lift own, its maximum hoisting height is limited; In addition, the armored concrete slab bearing capacity often is not enough to bear the deadweight of crane, so for many project situation, crane can't be marched into the arena and be carried out the lifting construction operation.Therefore, the crane lifting method can't solve the high headroom lifting problem of member in the large-span shell structure.
2, the situation that can't carry and install to manpower greatly for the weight of single ball or single rod member, the conventional high altitude bulk method of setting up full hall scaffold also can't be implemented to install, therefore, the high altitude bulk method can't solve the construction and installation problem of the medium and heavy member of large-span shell structure.
3, all lighter for single ball and single rod member weight, the situation that manpower can be carried and install, though the high altitude bulk method can solve the high headroom construction and installation problem of large-span shell structure, the scaffold consumption is very big.Because latticed shell structure ground clearance height, the situation of steel pipe scaffold in the time of might appearing as the latticed shell structure that hundreds of tons of weights are installed fully and but need to set up thousands of tons of and revisit.Scaffold is bought or lease expenses, adds to be expenses such as the big consolidated subsoil of having to of solution scaffold weight, and construction cost is very high.Simultaneously, the installation and removal time of full hall scaffold has prolonged total duration of engineering undoubtedly greatly often greater than the construction and installation time of latticed shell structure itself.Therefore, though feasible extremely unreasonable economically on the high altitude bulk law technology.
Summary of the invention
The objective of the invention is at the large span quadrangular pyramid sphere net case that contains heavy component, a kind of quadrangular pyramid sphere net case that lifts easy row of provider and economical rationality for its high headroom does not have scaffold construction shaped steel holder support formula hoisting machine tool.
The technical scheme that the present invention solves its technical problem employing is:
One, a kind of quadrangular pyramid sphere net case falsework-free constructing and mounting method, the step of this method is as follows:
At first the assembly of each identical formation is installed, then, raised up, cooperate to hang to rise in place and manually carry out " four bars connect four balls " construction and installation simultaneously in the above with the hoisting machine tool handle component on ground.
The assembly of described identical formation: include a ball and four rod members, four rod members are broadwise bar, following warp-wise bar and two web members; The warp-wise bar is housed down respectively on each ball, following warp-wise bar is an axis of symmetry, and constituting angle less than first web member and second web member of 90 °～5 ° with axis of symmetry, and broadwise bar to the left or to the right, the extended line of four bar one ends be the center by ball all.
Describedly manually carry out " four bars connect four balls " construction and installation in the above: promptly the other end of broadwise bar is connected with following first ball, the other end of following warp-wise bar is connected with following second ball, the other end of first web member is connected with following the 3rd ball, the other end of second web member is connected with following the 4th ball, more than the extended line that is connected with ball separately of four bars all by the center of ball separately; And the like, promptly being built into a circle of quadrangular pyramid sphere net case, a circle promptly is built into whole quadrangular pyramid sphere net case after with a circle stack being installed.
Two, a kind of quadrangular pyramid sphere net case does not have scaffold construction shaped steel holder support formula hoisting machine tool:
The shaped steel two bottom sides of band steel plate respectively has two circular holes, be respectively applied for and wear U-shaped screw rod and nut, have a circular hole in the middle of the shaped steel, on this circular hole, be equipped with a bottom and open the troughing plate that a circular hole, both sides are respectively opened a circular hole, shaped steel central bottom circular hole connects shaped steel with bolt, and the circular hole that bolt is used for wearing the frange plate on two mother rib lateral rotundums and the dead man bottom steel plate is to realize being connected of shaped steel and dead man; Dead man welded top one block plate has 3 circular holes on this steel plate, wherein middle circular hole is used to hang pulley, and two mother rib lateral rotundums respectively connect a cable wind rope, connects a Chain block or electric block, suspension hook of end connection in the middle part of the every cable wind rope.Shaped steel is shelved on the mounted web member of two intersections of latticed shell structure, the circular hole and the fastening nut that the U-shaped screw rod are inserted the shaped steel both sides are fixed on two web members shaped steel.The frange plate of dead man bottom is inserted in the middle of the troughing plate of putting on the shaped steel middle part,, dead man is set up and be fixed on the shaped steel in the bolt-inserting hole and fastening nut.The cable wind rope end suspension hook button that dead man top steel plate two side holes connects hangs over the ball node and the rod member junction of latticed shell structure.
The present invention compares the beneficial effect that has with background technology:
1. facility are light, and assembling is simple.The part of the shaped steel holder support formula hoisting machine tool of invention includes only a shaped steel, one the eradicate cable wind rope of bar, two band Chain blocks or electric block, pulley, hoist engine and cable wire, several bolts, these parts are simple, light, inexpensive, and the hoisting machine tool that is assembled can solve the high headroom installation difficult problem of quadrangular pyramid sphere net case heavy component.
2. raising work efficiency, the reduction of erection time.
(1) according to the mounting method of inventing, 50% of ball and rod member construction and installation work total amount finishes on the ground of factory floor or job site in the structure, make the ball and the construction and installation work high above the ground total amount of rod member reduce half, thereby the work efficiency of structure construction is doubled than conventional method.
(2) to install be to carry out on two different work planes assembly floor manufacture and assembly high-altitude, and the two can synchronous parallel construction, does not have temporal adding up property.Can make an amount of assembly in advance according to high-altitude construction and installation progress, with using with hanging.
(3) assembly " four bars connect four balls " but 4 of high-altitude construction and installation work four-players carry out synchronously, the work efficiency of 2 synchronous construction and installation of comparable again tradition " two balls connect a bar " two people doubles.
(4) because construction can not set up scaffold, scaffold building and take-down time have been saved.
Comprehensive above factor, the inventive method can shorten the construction period greatly.
3. easy construction.Lift the connecting portion that used lash rope can directly be enclosed within ball and rod member and get final product, not only convenient but also safety.The assembly that the bolted spherical node pattern connects can directly carry out assembly unit on ground; The assembly that the welded spherical node pattern connects can be made special assembly unit frame to guarantee the accuracy of element shapes, because the size of mesh opening on the same circle of sphere net case is identical, so reusable, the assembly unit in batches of assembly unit frame.
4. raising construction quality.Because 50% of ball and rod member installation work total amount carries out at factory floor or ground, job site in the structure, the negative effect of having avoided work high above the ground to bring for construction quality and precision, make these position construction and installation precision can access sufficient assurance, thereby overall structure construction and installation Functionality, quality and appealing design yield is obviously improved.
5. reduction construction cost.Owing to need not construction scaffolding, hoisting machine tool materials amount is few inexpensive, adds factors such as construction period shortening.So the construction cost of construction and installation method of the present invention will be significantly less than traditional construction and installation method.
Description of drawings
Fig. 1 is the three-dimensional perspective that latticed shell structure is local and " ball connects four bars " assembly constitutes.
Fig. 2 is the plan view (a) and elevation (b) that is in " non-complete " the quadrangular pyramid sphere net case in the construction and installation.
Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d are the construction process schematic diagrames of the inventive method among Fig. 3.
Fig. 4 a is a crane lifting tradition Construction Arrangement schematic diagram.
Fig. 4 b is that facility lifting construction of the present invention is arranged schematic diagram.
Fig. 5 a is used shaped steel of hoisting machine tool and correlated parts structure vertical view.
Fig. 5 b is used shaped steel of hoisting machine tool and correlated parts structure elevation.
Fig. 5 c is used shaped steel of hoisting machine tool and correlated parts structural side view.
Fig. 6 is the used dead man of hoisting machine tool and wire rope and correlated parts organigram.
Fig. 7 is the hoisting machine tool assembling side elevation.
Fig. 8 is the hoisting machine tool assembled front view.
Among the figure: 1, first ball, 2, second ball, 3, the 3rd ball, 4, the 4th ball, 5, ball, 6, arm of crane, 7, dead man, 8, cable wind rope, 9, hoist engine, 10, cable wire, 11, shaped steel, 12, steel plate, 13, circular hole, 14, U-shaped screw rod and nut, 15, circular hole, 16, circular hole, 17, troughing plate, 18, bolt, 19, bolt, 20, dead man, 21, steel plate, 22, circular hole, 23, circular hole, 24, cable wind rope, 25, Chain block or electric block, 26, suspension hook, 27, steel plate, 28, frange plate, 29, cable wire, 30, pulley, 31, the lifting assembly, a, the broadwise bar, b, following warp-wise bar, c, first web member, d, second web member.
The specific embodiment
As shown in Figure 1, be the three-dimensional perspective that latticed shell structure of the present invention is local and " ball connects four bars " assembly constitutes.Heavy line represent the to wind up warp-wise bar of layer and warp-wise bar and broadwise bar, the fine line that broadwise bar, thick dashed line are represented the lower edge layer represented web member among the figure.
As Fig. 1, shown in Figure 3, the assembly of described identical formation: include a ball 5 and four rod members, four rod members are broadwise bar a, following warp-wise bar b and two web member c, d; Warp-wise bar b is housed down respectively on each ball 5, following warp-wise bar b is an axis of symmetry, and constituting angle less than first web member c and second web member d of 90 °～5 ° with axis of symmetry, and broadwise bar a to the left or to the right, the extended line of four bar one ends be the center by ball 5 all.
Describedly manually carry out " four bars connect four balls " construction and installation in the above: promptly the other end of broadwise bar a is connected with following first ball 1, the other end of following warp-wise bar b is connected with following second ball 2, the other end of first web member c is connected with following the 3rd ball 3, the other end of second web member d is connected with following the 4th ball 4, more than the extended line that is connected with ball separately of four bars all by the center of ball separately; And the like, promptly being built into a circle of quadrangular pyramid sphere net case, a circle promptly is built into whole quadrangular pyramid sphere net case after with a circle stack being installed.Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d are the construction process schematic diagrames of the inventive method.Fig. 2 is plan view 2a and the elevation 2b that is in " non-complete " the quadrangular pyramid sphere net case in the construction and installation.
As Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, hoisting machine tool of the present invention comprises: shaped steel 11 two bottom sides of band steel plate 12 respectively have two circular holes 13, be respectively applied for and wear U-shaped screw rod and nut 14, have a circular hole 15 in the middle of the shaped steel, on this circular hole 15, be equipped with a bottom and open the troughing plate 17 that a circular hole 15, both sides are respectively opened a circular hole 16, shaped steel central bottom circular hole 15 usefulness bolts 18 connect shaped steel 11, and the circular hole that bolt 19 is used for wearing the frange plate 28 on two mother rib lateral rotundums 16 and the dead man 20 bottom steel plates 27 is to realize being connected of shaped steel 11 and dead man 20; Dead man 20 welded top one block plate 21, have 3 circular holes on this steel plate, circular hole 22 is used to hang pulley wherein, and two mother rib lateral rotundums 23 respectively connect a cable wind rope 24, connects a Chain block or electric block 25, suspension hook 26 of end connection in the middle part of the every cable wind rope.Shaped steel 11 is shelved on the mounted web member of two intersections of latticed shell structure, the circular hole 13 and the fastening nut that U-shaped screw rod 14 are inserted the shaped steel both sides are fixed on two web members shaped steel 11.The frange plate 28 of dead man 20 bottoms is inserted in the middle of the troughing plate of putting on the shaped steel middle part 17,, make dead man 20 set up and be fixed on the shaped steel 11 in bolt 19 patchholes 16 and fastening nut.Cable wind rope 24 end suspension hooks 26 buttons that dead man 20 top steel plates 21 two side holes 23 connect hang over the ball node and the rod member junction of latticed shell structure.
At first the assembly of each identical formation is installed, then, raised up, cooperate to hang to rise in place and manually carry out " four bars connect four balls " construction and installation simultaneously in the above with the hoisting machine tool handle component on ground.
Be example with a quadrangular pyramid sphere net case structure below: the specific embodiment is as follows
Quadrangular pyramid sphere net case structure wind up the assembly that layer ball and bar form the construction and installation flow process as shown in Figure 3.At first carry out assembly on ground and install, each assembly comprises a ball and four rod members, is respectively: (layer winds up) ball 5, (layer a winds up) left broadwise bar a, one (layer winds up) be warp-wise bar b, two web member c and d down.Then, raise up with simple and easy method handle components such as crane or dead man hoisting machine tools, four constructors stand in the side as 1,2,3, No. 4 ball position of Fig. 3 (a) respectively, cooperate to hang to rise in place and carry out " four bars connect four balls " construction and installation work simultaneously, that is: No. 1 ball connects a bar; No. 2 ball connects the b bar; No. 3 ball connects the c bar; No. 4 ball connects the d bar, shown in Fig. 3 (b).In like manner, finish next assembly construction and installation, shown in Fig. 3 (c).
Adopting the great advantage of crane lifting is high efficiency, and shortcoming is that maximum hoisting height is restricted by factor such as arm of crane 6 length, shown in Fig. 4 (a).And shaped steel holder support formula dead man hoisting machine tool can be erected on the web member of mounted structure, and temporary fixed with cable wind rope 8, shown in Fig. 4 (b).Hanging and rise by 9 controls of ground hoist engine, because rope 10 can be long arbitrarily, is that hoisting height is almost unrestricted so adopt the great advantage of dead man hoisting machine tool, but shortcoming be operating efficiency not as good as crane to take some times because set up the dead man hoisting machine tool.Combine use to both in the actual engineering so long.
The formation of shaped steel holder support formula dead man hoisting machine tool and installation are shown in Fig. 5,6,7,8, troughing plate 17 is linked to each other with shaped steel 11 with bolt 18 in advance, the installation and removal order of shaped steel holder support formula dead man is as follows: shaped steel 11 is shelved on the mounted web member of two intersections of latticed shell structure, the circular hole 13 and the fastening nut that U-shaped screw rod 14 are inserted the shaped steel both sides are fixed on two web members shaped steel 11.The frange plate 28 of dead man 20 bottoms is inserted in the middle of the troughing plate of putting on the shaped steel middle part 17,, make dead man 20 set up and be fixed on the shaped steel 11 in bolt 19 patchholes 16 and fastening nut.Cable wind rope 24 end suspension hooks 26 buttons that dead man 20 top steel plates 21 two side holes 23 connect hang over the ball node and the rod member junction of latticed shell structure.So far, a shaped steel holder support formula dead man hoisting machine tool system stable, self-balancing forms.Lifting work relies on the hoist engine pulling cable wire 29 on ground to finish, and pulley 30, one ends that this cable wire is hung by dead man top steel plate connect hoist engine, and the other end connects the assembly 31 of lifting.Prepare assembly unit on structure the time when assembly lifting puts in place, can utilize the Chain block on the cable wind rope 24 or the inclination angle of 25 pairs of dead mans 20 of electric block to adjust the accurate contraposition that is beneficial to construct.After 31 liftings of this assembly are finished, extract bolt 19 and U bolt 14 with dismounting dead man 20 and shaped steel 11 by unscrewing.After moving to next lifting position, reinstall shaped steel holder support formula dead man according to above order and method, and lift next assembly.
2. the assembly with layer ball and the bar composition that winds up is identical, and the assembly that lower edge layer ball and bar are formed also comprises a ball and four rod members, is respectively: (lower edge layer) ball, (lower edge layer) left broadwise bar, one (lower edge layer) be warp-wise bar, two web members down.How much topology formations that connect rod member owing to the lower edge layer ball connection rod member and layer ball that wind up are identical, so its construction and installation method and use facility thereof are identical with the construction and installation method of wind up layer ball and bar.
3. progressively expand round and round according to above mounting method with according to order from bottom to top and install, until the construction and installation of finishing total, shown in Fig. 3 (d).
Claims (1)
1, a kind of quadrangular pyramid sphere net case does not have scaffold construction shaped steel holder support formula hoisting machine tool, it is characterized in that: shaped steel (11) two bottom sides of band steel plate (12) respectively has two circular holes (13), be respectively applied for and wear U-shaped screw rod and nut (14), have a circular hole (15) in the middle of the shaped steel, on this circular hole (15), be equipped with a bottom and open a circular hole (15), the troughing plate (17) of a circular hole (16) is respectively opened in both sides, shaped steel central bottom circular hole (15) connects shaped steel (11) with bolt (18), and the circular hole that bolt (19) is used for wearing the frange plate (28) on two mother rib lateral rotundums (16) and dead man (20) the bottom steel plate (27) is connected with realization shaped steel (11) and dead man (20); Dead man (20) welded top one block plate (21), have 3 circular holes on this steel plate, circular hole (22) is used to hang pulley wherein, two mother rib lateral rotundums (23) respectively connect a cable wind rope (24), every cable wind rope middle part connects a Chain block or electric block (25), the end connects a suspension hook (26), shaped steel (11) is shelved on the mounted web member of two intersections of latticed shell structure, the circular hole (13) and the fastening nut that U-shaped screw rod (14) are inserted the shaped steel both sides are fixed on two web members shaped steel (11), in the middle of the troughing plate of putting on frange plate (28) the insertion shaped steel middle part with dead man (20) bottom (17), in bolt (19) patchhole (16) and fastening nut, make dead man (20) set up and be fixed on the shaped steel (11), cable wind rope (24) end suspension hook (26) button that dead man (20) top steel plate (21) two side holes (23) connects hangs over the ball node and the rod member junction of latticed shell structure.
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| CNB2007101564463A CN100480481C (en) | 2007-10-30 | 2007-10-30 | Quadrangular pyramid sphere net case falsework-free constructing and mounting method and hoisting machine tool |
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| CNB2007101564463A CN100480481C (en) | 2007-10-30 | 2007-10-30 | Quadrangular pyramid sphere net case falsework-free constructing and mounting method and hoisting machine tool |
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| CN100480481C true CN100480481C (en) | 2009-04-22 |
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Families Citing this family (12)
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| CN101718115B (en) * | 2009-11-20 | 2011-06-22 | 山东宏跃网架钢结构有限公司 | Method for mounting wide-span cylindrical reticulated shell |
| CN101864841A (en) * | 2010-05-28 | 2010-10-20 | 武汉一冶机电工程有限责任公司 | Integral mounting method of steel-structure factory building wall skin |
| CN102345393B (en) * | 2011-07-14 | 2014-02-12 | 中建八局第四建设有限公司 | High-altitude bulk process of bolt ball net frame |
| CN102767289B (en) * | 2012-07-12 | 2014-10-15 | 广州建筑股份有限公司 | Asymmetric and integrated lifting construction method for large scale grid structure |
| CN102767235B (en) * | 2012-08-17 | 2014-07-09 | 中建二局第二建筑工程有限公司 | Long-span spherical reticulated shell coal yard structure construction method |
| CN102953558A (en) * | 2012-11-14 | 2013-03-06 | 中冶天工集团有限公司 | Method for splitting basic unit of honeycomb triangular pyramid latticed shell structure |
| CN104878913B (en) * | 2013-07-25 | 2017-03-15 | 中冶天工集团有限公司 | It is based on orthogonal full hall scaffold erection method |
| CN103982045B (en) * | 2014-04-08 | 2016-08-24 | 浙江国盛钢结构有限公司 | A kind of roofing latticed shell structure is encorbelmented construction method of installation without support |
| CN105672665B (en) * | 2016-01-18 | 2017-07-04 | 天津城建大学 | A kind of large-span double-layer cylindrical reticulated shell installation method |
| CN110725550B (en) * | 2019-10-18 | 2021-09-17 | 上海宝冶集团有限公司 | Hanger and construction method of additional layer of steel structure of factory building |
| CN113982270A (en) * | 2021-10-23 | 2022-01-28 | 山西一建集团有限公司 | Block hoisting construction method for large-span spherical-crown-shaped bolt spherical node net rack |
| CN115370160A (en) * | 2022-09-14 | 2022-11-22 | 中国建筑第七工程局有限公司 | Construction method for realizing perforation hoisting of upper-layer ultra-long steel structure through lower-layer net rack |
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2007
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