CN106592760A - High-altitude assembling construction method for bolt-sphere net frame - Google Patents
High-altitude assembling construction method for bolt-sphere net frame Download PDFInfo
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- CN106592760A CN106592760A CN201611243943.2A CN201611243943A CN106592760A CN 106592760 A CN106592760 A CN 106592760A CN 201611243943 A CN201611243943 A CN 201611243943A CN 106592760 A CN106592760 A CN 106592760A
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- Prior art keywords
- ball
- bolt
- net frame
- lower edge
- pyrometric cone
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
- E04B1/1906—Connecting nodes specially adapted therefor with central spherical, semispherical or polyhedral connecting element
Abstract
The invention relates to a high-altitude assembling construction method for a bolt-sphere net frame, and belongs to the technical field of assembling of building components. The method comprises the following steps of step one, preparation including the sub-steps of inspection and acceptance for bolt-spheres and rod pieces and erecting of full-round scaffold; step two, high-altitude assembling of the bolt-sphere net frame; step three, adjusting and fastening of the bolt-sphere net frame; step four, installing and welding of a support; step five, dismantling of temporary supporting points; step six, inspection of the overall installing quality of the bolt-sphere net frame; and step seven, coating. According to the high-altitude assembling construction method for the bolt-sphere net frame, the all-round scaffold serves as the supporting platform and the installing platform for the bolt-sphere net frame, in-situ assembling or assembling of the smallest assembled rigid units is conducted on the designed position, and dismantling and structure unloading of the scaffold are conducted after assembling is completed; and no large hoisting machine is needed, construction is conducted on the platform by construction personnel, safety is achieved, construction is easy, and the assembling quality can be better guaranteed.
Description
Technical field
The present invention relates to bolt-ball net frame high-altitude dissipates spells construction method, belong to building element mounting technology field.
Background technology
Elements of Space Grid Truss has a lightweight construction, and rigidity is big, and whole structure is good, the characteristics of shock resistance is strong, thus extensively applies
Build in airport, stadiums, show room etc..Elements of Space Grid Truss includes bolt-ball net frame and welding net, wherein, bolt-ball net frame
It is to apply widely, and has the advantage that：A large amount of Site Welding workloads can be avoided；Spare and accessory parts batch production is processed, precision
Height, site operation are convenient, it is easy to ensure construction quality.
The content of the invention
The present invention dissipates the technique for spelling bolt-ball net frame to further improve full hall scaffold high-altitude, it is proposed that a kind of bolt
Net high-altitude dissipates spells construction method, the support platform and mounting platform with full hall scaffold as bolt-ball net frame, in design position
Putting carries out the assembly of assembly in situ or smallest assembled rigid unit, carries out the dismounting of scaffold and unloading for structure again after the completion of assembly
Carry, present invention construction is simple, be easy to the safety of guarantee workmen, is widely used in various grid structure engineerings.
The present invention is realized using following technical scheme：A kind of bolt-ball net frame high-altitude dissipates spells construction method, according to
Following steps are constructed：
Step one：Preparatory stage；
First to carrying out inspecting for acceptance to bolt sphere, rod member and then setting up full hall scaffold
Step 2：Bolt-ball net frame installation at high altitude；
The first step：Unwrapping wire tests line；
Second step：First row quadrangular pyramid is installed；
3rd step：Installation is winded up pyrometric cone module unitss；
4th step：Lower edge pyrometric cone module unitss are installed；
5th step：Cycle installation is winded up pyrometric cone module unitss and lower edge pyrometric cone module unitss, until rack rack is pacified
Install into；
Step 3：Bolt-ball net frame is adjusted and fastening；
Step 4：Bearing is installed and welding；
Step 5：Remove temporary support point；
Step 6：Check bolt-ball net frame integral installation quality；
Step 7：Application；
Basal plane cleaning, benefit brush antirust paint → prime → fire resistant coating brushing
Step 8：Check and accept.
Further, in step 2, second step includes following small step：
(1) by first across bearing install in place, to good capital axis, centrage, adjust absolute altitude with level gauge, it is wrong
Difference is corrected；First row lower edge ball, bar are installed, fore-and-aft plane grid is constituted；Sequence temporary support point, it is ensured that lower edge ball it is flat
Row degree；
(2) install first across web member and the ball that winds up, wind up ball and web member junior unit and wind up ball, two web members for one；On
After string ball and web member junior unit are in place, it is screwed into lower edge ball, it is fixed；
(3) top boom of first quadrangular pyramid is installed, first grid that winds up is formed；
(4) first lower edge pyrometric cone module units is installed, lower edge pyrometric cone module unitss are by under a lower edge ball, one
The lower edge pyrometric cone module unitss that one ball, three bar is constituted are hung in scene, two web members are screwed into by chord member, two web member compositions
On string ball, then make lower boom progressively near mounted lower edge ball, be screwed into；
(5) repeat small step (2) and web member and the ball that winds up are installed；
(6) repeat small step (3) and top boom is installed；
(7) repeat small step (4) and lower edge pyrometric cone module unitss are installed；
(8) a piece lower boom is installed between mounted two lower edges pyrometric cone module unitss lower edge ball, is allowed to be unified into one
Body, the closing of the first grid of lower edge；
(9) circulate small step (5) to (8), complete first across a quadrangular pyramid installation；
(10) bolt-ball net frame, size of mesh opening are checked, checks bolt-ball net frame longitudinal size and bolt-ball net frame rise chi
It is very little, if exceeding specification tolerance, adjust in time.
Further, in step 2, the 3rd step includes following small step：
(1) assembled using continuous Method for Installation from bolt-ball net frame second row quadrangular pyramid；Installation winds up pyrometric cone assembling singly
Unit, the pyrometric cone module unitss that wind up are made up of the ball that winds up, top boom, two web members；
One ball, the three bar pyrometric cone module unitss that wind up are hung in into scene；Two web members are screwed on lower edge ball, are then made
Chord member progressively near the mounted ball that winds up, is screwed into；
(2) continue as stated above the pyrometric cone module unitss that wind up of next three bar of ball composition are installed, then install
Two pyrometric cone module unitss that wind up wind up between ball install a top boom, be allowed to join together, the grid that winds up closing；
(3) more than circulation two small steps (1) and (2), per the assembled one group pyrometric cone module unitss that wind up, then install one and wind up
Bar, top boom two are screwed into bolt, complete pyrometric cone unit installation of winding up.
Further, in step 2, the 3rd step includes following small step：
(1) after the pyrometric cone module unitss that wind up being installed, that is, start lower edge pyrometric cone component units are installed；Assembling is under
String pyrometric cone module unitss, lower edge pyrometric cone module unitss are made up of a lower edge ball, lower boom, two web members；
The lower edge pyrometric cone module unitss that one ball, three bar is constituted are hung in into scene；Two web members are screwed into and are winded up on ball, so
After make lower boom progressively near mounted lower edge ball, be screwed into；
(2) continue the lower edge pyrometric cone module unitss of next three bar of ball composition are installed by above-mentioned method, then
Install two lower edge pyrometric cone module unitss wind up between ball install a lower boom, be allowed to join together, lower edge grid closing；
(3) more than circulation two small steps (1) and (2), per assembled one group of lower edge pyrometric cone module unitss, then install a lower edge
Bar, lower boom two are screwed into bolt, complete the installation of lower edge pyrometric cone component units.
Further, step 3 bolt-ball net frame adjustment is included with fastening：
A) during bolt-ball net frame assembly, measurement at any time checks the physical dimension of bolt-ball net frame, often completes a triangle
Cone module unitss, should check lower edge size of mesh opening and diagonal, wind up size of mesh opening and diagonal, pyrometric cone module unitss are formed
Cone height it is whether correct, after bolt-ball net frame is completed, before each temporary support point is not removed, grid longitudinal direction should be checked
Whether length, lateral length, bolt-ball net frame rise are correct, and are adjusted；
B) bolt-ball net frame should check the sinking situation of each temporary support point during assembly at any time, if any decline, and
Shi Jiagu, prevents falling phenomenon；
C) bolt first should be twisted with handss, then is tightened with special spanner；But once can not tighten in place, bolt-ball net frame inspection,
After adjustment, bolt-ball net frame is re-secured with high-strength bolt；
D), after bolt-ball net frame is with high-strength bolt fastening, the positioning stove bolt on sleeve is tightened into locking.
The invention has the beneficial effects as follows：
(1) bolt-ball net frame high-altitude of the present invention dissipates and spells construction method, with full hall scaffold as bolt-ball net frame
Support platform and mounting platform, carry out the assembly of assembly in situ or smallest assembled rigid unit, after the completion of assembly again on design attitude
Carry out the dismounting of scaffold and the unloading of structure；Do not need large-scale hoisting machinery, workmen to construct on platform, compare peace
Entirely, construct simple, it is easy to ensure assembled quality；
(2) bolt-ball net frame high-altitude of the present invention dissipates that spelling construction method is complicated to build, grid structure is special builds
Thing is built, with the good suitability；
(3) bolt-ball net frame high-altitude of the present invention dissipates and spells construction method, widely applicable, can be widely applied to various nets
In frame Structural Engineering, it is particularly suited for that moulding is complicated, cannot be lifted using big machinery, and the feelings of the scheme such as sliding, lifting
Under condition.
Description of the drawings
Fig. 1 is first row quadrangular pyramid installation process schematic diagram of the present invention.
Fig. 2 is that the present invention winds up pyrometric cone module unitss installation process schematic diagram.
Fig. 3 is lower edge pyrometric cone module unitss installation process schematic diagram of the present invention.
In figure：1st, bar；2nd, lower edge ball；3rd, web member；4th, wind up ball；5th, top boom；6th, lower boom；7th, lower edge pyrometric cone assembling
Unit；8th, wind up pyrometric cone module unitss.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings and instantiation, to this
The bolt-ball net frame high-altitude of bright proposition dissipates spelling construction method and is further described.
Bolt-ball net frame high-altitude of the present invention dissipates spells construction method, constructs in accordance with the following steps：
Step one：Preparatory stage；
Bolt sphere, rod member are carried out inspecting for acceptance → set up full hall scaffold
Inspecting for acceptance for rod member is inspected for acceptance including bar 1, web member 3, top boom 5, lower boom 6；
Full hall scaffold set up including：
A) in assembly network frame, scaffold will support rack weight, control rack absolute altitude and as operating platform, scaffold
And temporary support point there should be enough strength and stiffness, and ensure that rack installation accuracy；
B) position of temporary support point should be arranged at lower-chord panel point；
C) scaffolding height of scaffold typically away from 2 center 300mm of rack lower edge ball depending on easy for installation；
D) on scaffold, full boarding, as operating platform, should arrange safety net below platform, and platform surrounding should be arranged
Guard rail 1；
Step 2：Bolt-ball net frame installation at high altitude；
The first step：Unwrapping wire tests line；
Second step：First row quadrangular pyramid, including following small step are installed：
(1) by first across bearing install in place, to good capital axis, centrage, adjust absolute altitude with level gauge, it is wrong
Difference is corrected；First row lower edge ball 2, bar 1 is installed, fore-and-aft plane grid is constituted；Sequence temporary support point, it is ensured that lower edge ball 2
The depth of parallelism；
(2) install first across web member 3 and the ball 4 that winds up, wind up ball 4 and 3 junior unit of web member and wind up ball 4, two abdomens for one
Bar 3；Wind up ball 4 and 3 junior unit of web member it is in place after, be screwed into lower edge ball 2, it is fixed；
(3) top boom 5 of first quadrangular pyramid is installed, first grid that winds up is formed；
(4) first lower edge pyrometric cone module units 7 is installed, lower edge pyrometric cone module unitss 7 are by a lower edge ball 2,
6, two web members 3 of root lower boom are constituted, and the lower edge pyrometric cone module unitss 7 that three bar 1 of a ball is constituted are hung in scene, by two abdomens
Bar 3 is screwed into and winds up on ball 4, then makes lower boom 6 progressively near mounted lower edge ball 2, is screwed into；
(5) repeat small step (2) and web member 3 and the ball 4 that winds up are installed；
(6) repeat small step (3) and top boom 5 is installed；
(7) repeat small step (4) and lower edge pyrometric cone module unitss 7 are installed；
(8) lower boom 6 is installed between mounted two lower edge pyrometric cones module unitss, 7 lower edge ball 2, is allowed to be unified into
Integrally, the first grid of lower edge closing；
(9) circulate small step (5) to (8), complete first across a quadrangular pyramid installation；
(10) bolt-ball net frame, size of mesh opening are checked, checks bolt-ball net frame longitudinal size and bolt-ball net frame rise chi
It is very little, if exceeding specification tolerance, adjust in time.
3rd step：Installation is winded up pyrometric cone module unitss 8, including following small step：
(1) assembled using continuous Method for Installation from bolt-ball net frame second row quadrangular pyramid；Installation winds up pyrometric cone assembling singly
Unit 8, the pyrometric cone module unitss 8 that wind up are made up of 4, one, the ball web member 3 of top boom 5, two that winds up；
One ball, the three bar 1 pyrometric cone module unitss 8 that wind up are hung in into scene；On lower edge ball 2, then two web members 3 are screwed into
Make top boom 5 progressively near the mounted ball 4 that winds up, be screwed into；
(2) continue as stated above the pyrometric cone module unitss 8 that wind up of next composition of three bar of ball 1 are installed, then pacify
Dress two pyrometric cone module unitss 8 that wind up wind up between ball 4 install a top boom 5, be allowed to join together, the grid that winds up envelope
Close；
(3) more than circulation two small steps (1) and (2), per the assembled one group pyrometric cone module unitss 8 that wind up, then in installation one
Chord member 5,5 two of top boom are screwed into bolt, complete pyrometric cone unit installation of winding up.
4th step：Lower edge pyrometric cone module unitss 7 are installed, including following small step：
(1) after the pyrometric cone module unitss 8 that wind up being installed, that is, start lower edge pyrometric cone component units are installed；Assembling into
Lower edge pyrometric cone module unitss 7, lower edge pyrometric cone module unitss 7 are by 2, one, a lower edge ball, 3 groups of the web member of lower boom 6, two
Into；
The lower edge pyrometric cone module unitss 7 that one ball, three bar 1 is constituted are hung in into scene；Two web members 3 are screwed into into the ball 4 that winds up
On, then make lower boom 6 progressively near mounted lower edge ball 2, be screwed into；
(2) continue the lower edge pyrometric cone module unitss 7, Ran Hou of the next composition of three bar of a ball 1 are installed by above-mentioned method
Mounted two lower edge pyrometric cones module unitss 7 wind up between ball 4 install a lower boom 6, be allowed to join together, lower edge grid
Closing；
(3) more than circulation two small steps (1) and (2), per assembled one group of lower edge pyrometric cone module unitss 7, then under installing
Chord member 6,6 two of lower boom are screwed into bolt, complete the installation of lower edge pyrometric cone component units.
5th step：Cycle installation is winded up pyrometric cone module unitss 8 and lower edge pyrometric cone module unitss 7, until rack rack
Installation；
Step 3：Bolt-ball net frame is adjusted and fastening, is mainly included：
A) during bolt-ball net frame assembly, measurement at any time checks the physical dimension of bolt-ball net frame, often completes a triangle
Cone module unitss, should check lower edge size of mesh opening and diagonal, wind up size of mesh opening and diagonal, pyrometric cone module unitss are formed
Cone height it is whether correct, after bolt-ball net frame is completed, before each temporary support point is not removed, grid longitudinal direction should be checked
Whether length, lateral length, bolt-ball net frame rise are correct, and are adjusted；
B) bolt-ball net frame should check the sinking situation of each temporary support point during assembly at any time, if any decline, and
Shi Jiagu, prevents falling phenomenon；
C) bolt first should be twisted with handss, then is tightened with special spanner；But once can not tighten in place, bolt-ball net frame inspection,
After adjustment, bolt-ball net frame is re-secured with high-strength bolt；
D), after bolt-ball net frame is with high-strength bolt fastening, the positioning stove bolt on sleeve is tightened into locking.
Step 4：Bearing is installed and welding, is mainly included：
A) cutting stock of base-plate and floor is carried out according to drawing requirement, spot welding combination is carried out, bearing is then carried out
The welding of base plate and floor；
B) should check at any time during bolt-ball net frame assembly the center of bolt sphere at bearing whether with capital pre-buried steel
Control axis intersection point on plate overlaps, and whether in allowed band, such as displacement exceeds specification tolerance to error, should analyze original
Cause, removes local rod member or smallest assembled rigid unit in time, reinstalls, by deviation adjustment in allowed band, to avoid missing because of accumulation
Difference is excessive, and significantly adjusts the method for support position；
C) support position is checked whether on axis, and offset dimensions.When rack is installed, the cumulative errors of size should be same
When disperse to both sides, prevent side bearing in place correct, opposite side bearing deviation is excessive；
D), after bolt-ball net frame adjustment and fastening, welding and the bearing for carrying out bolt sphere and bearing is solid with the welding of built-in fitting
It is fixed；
E) bolt sphere material adopts No. 45 steel, requires according to medium carbon steel Key Points of Welding Technology and as follows welding：
Firstth, welding rod should use low-hydrogen electrode E5015 or E5016；
Secondth, bolt sphere should be preheated, 150～250 DEG C of preheating temperature；
3rd, before welding, welding rod should be bakeed, and stoving temperature is 400 DEG C, bakees time 2 h；
4th, welding；Ground floor weld seam should adopt small diameter electric welding rod, small current, weld at a slow speed.
Step 5：Remove temporary support point；
Support platform and mounting platform with full hall scaffold as bolt-ball net frame, carries out loose mail in situ on design attitude
The assembly of assembled or smallest assembled rigid unit, carries out the dismounting of scaffold and the unloading of structure after the completion of assembly again.
Temporary support dismounting order and method：From centre to surrounding, centrosymmetry is carried out.To prevent indivedual temporary support points
Concentrate stress, the suitable dead load deflection value according to each temporary support point using subregion descent method in proportion stage by stage, or is adopted
Often waiting for step no more than 10mm walks descent method.After the completion of unloading, then remove temporary support point.
Temporary support point is removed after finishing, and rack installation quality should be checked comprehensively.
Step 6：Check bolt-ball net frame integral installation quality；
Step 7：Application；
Basal plane cleaning, benefit brush antirust paint → prime → fire resistant coating brushing
Step 8：Check and accept.
Embodiment one：
In power plant extension project, the old and new vehicular gap 33.6m builds ellipsoidal cross section grid structure in 14m eminences
Pass by one's way view bridge rack, the engineering is supported by 4 independent steel columns, 8 ╳ 28.8m of steel column spacing；Ellipse is passed by one's way view bridge
The long 33.6m of rack, transverse 11.724m, short axle 8.2m.Grid structure has bolted node sphere 749, bolt sphere diameter phi 120
～φ 400；12915, bar, 1 60～φ of footpath φ 219 of bar.Rack load-bearing main body is 3 layers of rack base plate, and many half ellipses in top are
Channel space.
In construction and installation because place limit cannot integral hoisting, determine scheme using the present invention high-altitude dissipate spell construction method
Construction, and utilize live remaining scaffold.Erection sequence is first to install the bearing soleplate between 4 bearings, then by whole bottom
Plate installation, finally starts to install oval rack top from one end, until being fully completed.
Embodiment two：
Two layers of brewery's brewing room because place limit cannot integral hoisting, determine that scheme is that full hall foot is set up on two layers
Hand cradle, is dissipated using the high-altitude of the present invention and spells construction method construction, and erection sequence is first to carry out axis rack installation, then symmetrically
Install until completing rack installment work from centre to both sides.
Two layers of top of brewery's brewing room adopt integral space truss structure, and roofing is sandwich color steel plate.Rack is by 16 bearings
Support, area 1820m2；Rack plane is in fan-shaped, inside radius 10.3m, outer radius 48.3m, then increases width 2m in side；Net
Frame structure has bolted node sphere 532,100～φ of bolt sphere diameter phi 200；11969, bar, 1 48～φ of footpath φ 219 of bar.
For large area rack can be according to the order from centre to periphery, to reduce error；Small-sized rack can according to from
While the order to opposite side is installed.
Present invention construction is simple, be easy to the safe, widely applicable of guarantee workmen, is widely used in various grid structures
In engineering, it is particularly suited for that moulding is complicated, cannot be lifted using big machinery, and in the case of the scheme such as sliding, lifting.
Certainly, the above is only presently preferred embodiments of the present invention, it is impossible to be considered as limiting the enforcement to the present invention
Example scope.The present invention is also not limited to the example above, essential scope of the those skilled in the art in the present invention
Interior made impartial change and improvement etc., all should belong in the patent covering scope of the present invention.
Claims (5)
1. a kind of bolt-ball net frame high-altitude dissipates and spells construction method, it is characterised in that：Construct in accordance with the following steps：
Step one：Preparatory stage；
First to carrying out inspecting for acceptance to bolt sphere, rod member and then setting up full hall scaffold
Step 2：Bolt-ball net frame installation at high altitude；
The first step：Unwrapping wire tests line；
Second step：First row quadrangular pyramid is installed；
3rd step：Installation is winded up pyrometric cone module unitss (8)；
4th step：Lower edge pyrometric cone module unitss (7) is installed；
5th step：Cycle installation is winded up pyrometric cone module unitss (8) and lower edge pyrometric cone module unitss (7), until rack rack
Installation；
Step 3：Bolt-ball net frame is adjusted and fastening；
Step 4：Bearing is installed and welding；
Step 5：Remove temporary support point；
Step 6：Check bolt-ball net frame integral installation quality；
Step 7：Application；
Basal plane cleaning, benefit brush antirust paint → prime → fire resistant coating brushing
Step 8：Check and accept.
2. bolt-ball net frame high-altitude according to claim 1 dissipates and spells construction method, it is characterised in that：Second step in step 2
Including following small step：
(1) by first across bearing install in place, to good capital axis, centrage, adjust absolute altitude with level gauge, have error to give
To correct；First row lower edge ball (2), bar (1) are installed, fore-and-aft plane grid is constituted；Sequence temporary support point, it is ensured that lower edge ball
(2) the depth of parallelism；
(2) install first across web member (3) and the ball that winds up (4), the ball that winds up (4) and web member (3) junior unit wind up ball for one
(4), two web members (3)；Wind up ball (4) and web member (3) junior unit it is in place after, be screwed into lower edge ball (2), it is fixed；
(3) top boom (5) of first quadrangular pyramid is installed, first grid that winds up is formed；
(4) install first lower edge pyrometric cone module unitss (7), lower edge pyrometric cone module unitss (7) by a lower edge ball (2),
Piece lower boom (6), two web member (3) compositions, lower edge pyrometric cone module unitss (7) that three bars of a ball (1) is constituted hangs in existing
, two web members (3) are screwed on the ball that winds up (4), are then made lower boom (6) progressively near mounted lower edge ball (2), is twisted
Enter；
(5) repeat small step (2) and web member (3) and the ball that winds up (4) are installed；
(6) repeat small step (3) and top boom (5) is installed；
(7) repeat small step (4) and lower edge pyrometric cone module unitss (7) is installed；
(8) lower boom (6) is installed between mounted two lower edges pyrometric cone module unitss (7) lower edge ball (2), is allowed to join
It is integral, the closing of the first grid of lower edge；
(9) circulate small step (5) to (8), complete first across a quadrangular pyramid installation；
(10) bolt-ball net frame, size of mesh opening are checked, checks bolt-ball net frame longitudinal size and bolt-ball net frame rise size, if
Beyond specification tolerance, adjust in time.
3. bolt-ball net frame high-altitude according to claim 1 dissipates and spells construction method, it is characterised in that：3rd step in step 2
Including following small step：
(1) assembled using continuous Method for Installation from bolt-ball net frame second row quadrangular pyramid；Installation is winded up pyrometric cone module unitss
(8) the pyrometric cone module unitss (8) that, wind up are made up of a ball that winds up (4), top boom (5), two web members (3)；
One ball, three bars (1) the pyrometric cone module unitss (8) that wind up are hung in into scene；Two web members (3) are screwed on lower edge ball (2),
Then make top boom (5) progressively near the mounted ball that winds up (4), be screwed into；
(2) continue as stated above the pyrometric cone module unitss (8) that wind up that next three bar of ball (1) constitutes are installed, then pacify
Dress two pyrometric cone module unitss (8) that wind up wind up between ball (4) install a top boom (5), be allowed to join together, wind up net
Lattice are closed；
(3) more than circulation two small steps (1) and (2), per the assembled one group pyrometric cone module unitss (8) that wind up, then install one and wind up
Bar (5), top boom (5) two are screwed into bolt, complete pyrometric cone unit installation of winding up.
4. bolt-ball net frame high-altitude according to claim 1 dissipates and spells construction method, it is characterised in that：3rd step in step 2
Including following small step：
(1) after the pyrometric cone module unitss (8) that wind up being installed, that is, start lower edge pyrometric cone component units are installed；Assembling is under
String pyrometric cone module unitss (7), lower edge pyrometric cone module unitss (7) is by a lower edge ball (2), lower boom (6), two abdomens
Bar (3) is constituted；
Lower edge pyrometric cone module unitss (7) that one ball, three bars (1) is constituted hangs in scene；Two web members (3) are screwed into into the ball that winds up
(4), on, then make lower boom (6) progressively near mounted lower edge ball (2), be screwed into；
(2) continue lower edge pyrometric cone module unitss (7) that next three bar of a ball (1) constitutes, Ran Hou are installed by above-mentioned method
Mounted two lower edges pyrometric cone module unitss (7) wind up between ball (4) install a lower boom (6), be allowed to join together, under
String grid is closed；
(3) more than circulation two small steps (1) and (2), per assembled one group of lower edge pyrometric cone module unitss (7), then install a lower edge
Bar (6), lower boom (6) two are screwed into bolt, complete the installation of lower edge pyrometric cone component units.
5. bolt-ball net frame high-altitude according to claim 1 dissipates and spells construction method, it is characterised in that：Step 3 bolt net
Frame is adjusted to be included with fastening：
A) during bolt-ball net frame assembly, measurement at any time checks the physical dimension of bolt-ball net frame, often completes a pyrometric cone group
Dress unit, should check lower edge size of mesh opening and diagonal, the cone that wind up size of mesh opening and diagonal, pyrometric cone module unitss are formed
Whether the height of body is correct, after bolt-ball net frame is completed, before each temporary support point is not removed, should check that grid is longitudinally long
Whether degree, lateral length, bolt-ball net frame rise are correct, and are adjusted；
B) bolt-ball net frame should check the sinking situation of each temporary support point during assembly at any time, if any decline, add in time
Gu, prevent falling phenomenon；
C) bolt first should be twisted with handss, then is tightened with special spanner；But once can not tighten in place, bolt-ball net frame inspection, adjustment
Afterwards, bolt-ball net frame is re-secured with high-strength bolt；
D), after bolt-ball net frame is with high-strength bolt fastening, the positioning stove bolt on sleeve is tightened into locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243943.2A CN106592760B (en) | 2016-12-29 | 2016-12-29 | Bolt-ball net frame high-altitude, which dissipates, spells construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN113445740A (en) * | 2021-05-25 | 2021-09-28 | 中建钢构工程有限公司 | Truss construction method |
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