CN105672735B - The jacking type installation structure of Large Steel feed bin - Google Patents
The jacking type installation structure of Large Steel feed bin Download PDFInfo
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- CN105672735B CN105672735B CN201610047323.5A CN201610047323A CN105672735B CN 105672735 B CN105672735 B CN 105672735B CN 201610047323 A CN201610047323 A CN 201610047323A CN 105672735 B CN105672735 B CN 105672735B
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- shell ring
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- survivor
- cover structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
- E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
- E04H7/30—Constructions, with or without perforated walls, depending on the use of specified materials mainly of metal
-
- 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
-
- 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
- E04B2001/3594—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails inflatable lifting or handling devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of installation structure of Large Steel feed bin, including basic platform, first segment shell ring, the vertex of a cone, second section shell ring and bottom plate, first segment shell ring is placed on bottom plate, one bell cover structure is formed on the top that the vertex of a cone is sealedly connected on first segment shell ring, second section shell ring is sheathed on outside first segment shell ring, second section shell ring is spliced by polylith arc panel and is reserved there are one the vertical seam that wouldn't splice as the survivor of a murder attempt, two pieces of arc panels at the survivor of a murder attempt have the overlap joint surplus of certain length, survivor of a murder attempt's tension device is additionally provided between two pieces of arc panels at the survivor of a murder attempt, it is equipped in first segment shell ring by the first sealed rubber plate of clearance seal between the second section shell ring and bottom plate, installation structure further includes blower device and limiting device, first segment shell ring is equipped with the second sealed rubber plate of gap sealing between first segment shell ring and the second section shell ring.The installation structure can become working at height as lower operation, can increase the security of construction, save resource and operating expenses, improve work efficiency, shorten the construction period.
Description
Technical field
The present invention relates to large industry equipment installation Technology fields, and in particular to a kind of jacking type of Large Steel feed bin
Installation structure.
Background technology
Large Steel feed bin is widely used in industrial installing engineering, for containing solids, belongs to large scale industry
Equipment has the characteristics that diameter, height, weight are larger.The kind equipment is mostly flat cone structure, by basis, bottom plate, cylinder
Body, vertex of a cone composition, wherein the hollow circular cylinder on generally several meters above ground level of basis, basis top is provided with 5 in plum blossom-shaped cloth
The feed opening put, steel feed bin are mounted on basic top surface, and weight of the vertex of a cone because bearing feed arrangement, skeleton is truss group knot
Structure, own wt are larger.The installation of this kind of large scale equipment must assemble at the scene, currently used there are two types of construction method, and one
Kind is upright method of hull section construction：First mounting base, then the shell ring of burst assembly from bottom to top form cylinder, then install the vertex of a cone；Another kind is down
Dress method：First mounting base, then install most upper section shell ring and the vertex of a cone, then promoted from top to bottom with mechanical lifting apparatus, upside-down mounting it is each
Save shell ring.The shortcomings that both the above method is：Upright method of hull section construction, which need to be set, to be looked for round makeshift device and sets up scaffold, and large size is needed to hang
Installation tool is dangerous higher there are working at height；Though upside-down method of hull-section construction without working at height, need to use tens of set elevating mechanism equipment,
Expense for using mechanical equipment is very high, and need to set lifting device.
The content of the invention
The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art, provide a kind of working security height,
Resource and operating expenses can be saved, improve work efficiency, the jacking type installation structure of the Large Steel feed bin shortened the construction period.
In order to solve the above technical problems, the present invention uses following technical scheme：
The jacking type installation structure of a kind of Large Steel feed bin, including basic platform and above basic platform
First segment shell ring and the second section shell ring, a vertex of a cone is sealedly connected at the top of the first segment shell ring and forms a bell jar knot
Structure, the second section shell ring are sheathed on the outside of first segment shell ring, and the bell cover structure, the second section shell ring and basic platform surround
One relatively closed inflatable chamber；The bell cover structure bears the floating type structure that pressed gas jacks in inflatable chamber for one, described
Second section shell ring is intended being fixed in the structure to be installed below bell cover structure for one；The second section shell ring is spliced by polylith arc panel
Form and it is reserved there are one the vertical seams that wouldn't splice as the survivor of a murder attempt, more than overlap joint of two pieces of arc panels with certain length at the survivor of a murder attempt
It measures, the survivor of a murder attempt's tension device for preventing that the survivor of a murder attempt from opening is additionally provided between two pieces of arc panels at the survivor of a murder attempt, is equipped in the inflatable chamber close
Sealing assembly.
Above-mentioned installation structure, it is preferred that the seal assembly includes being laid on bell cover structure bottom and treats bell jar
First sealed rubber plate of clearance seal between the second section shell ring and basic platform can be further included and be fixed in clock by structure after rising
Cover structure bottom and can be by the second sealing of gap sealing between first segment shell ring and the second section shell ring when rising with bell cover structure
Rubber slab.
Above-mentioned installation structure, it is preferred that being equiped on the basic platform prevents the second section shell ring from moving upwards
Limiting device, the limiting device be equipped with it is multigroup, multigroup limiting device is distributed in the surrounding of the second section shell ring, each limiting device
Including the short beam that is fixed on the second section shell ring outer wall and the hook being fixed on basic platform, the hook have on short beam
The limiting section of end contact /V.
Above-mentioned installation structure, it is preferred that the installation structure, which is further included, connects progress with the inflatable chamber
To jack the blower device of bell cover structure, the blower device includes air blower, blast pipe, electric butterfly valve and U-tube pressure for air blast
Power meter, air inlet hole is equipped at the central feed opening on the basic platform, and the air outlet of air blower passes through blast pipe and air inlet
Hole connects, and the electric butterfly valve is arranged on blast pipe, and the U-tube manometer is connected to by pressure-measuring pipe in the inflatable chamber
Portion.
Above-mentioned installation structure, it is preferred that survivor of a murder attempt's tension device includes multigroup horizontal chain block, more
Vertical interval setting of the horizontal chain block of group along the second section shell ring corresponds to each group of transverse direction on the arc panel of survivor of a murder attempt both sides
Chain block be respectively and fixedly connected with there are one draw ear, it is each transverse direction chain block be connected on the arc panel of survivor of a murder attempt both sides draw accordingly ear it
Between.
Above-mentioned installation structure, it is preferred that swelling is provided in the first segment shell ring in first segment shell ring inner wall
On make the packing that it is held round, packing is joined end to end by more piece arc channel steel, and two adjacent sections arc channel steel passes through socket joint
Running-on connects, and jack force is equipped in joint makes the inner wall of packing swelling fitting first segment shell ring.
Above-mentioned installation structure, it is preferred that the packing is located on the madial wall of first segment shell ring bottom, for inciting somebody to action
The second sealed rubber plate of gap sealing is fixedly clamped on the packing between first segment shell ring and the second section shell ring.
Above-mentioned installation structure, it is preferred that the basic platform is equipped with support bell structure and the second section shell ring
Bottom plate, the bottom plate is the annular slab that is spliced to form by polylith cambered plate.
Above-mentioned installation structure, it is preferred that the installation structure further includes multigroup adjustment bell cover structure and rises
The degree of balance in the process and the balance height limiter of limitation bell cover structure lifting height, multigroup balance height limiter are distributed in clock
The surrounding of cover structure, each height limiter that balances include vertical chain block, are fixed in the upper lifting lug of the vertex of a cone and are fixed on bottom plate
Lower lifting lug, vertical chain block is connected between lifting lug and lower lifting lug.
Above-mentioned installation structure, it is preferred that the installation structure further includes multigroup rises in bell cover structure
The bottom of one section shell ring prevents the translation limiting device that first segment shell ring translates, multigroup translation /V dress when being higher by the second section shell ring
The outside surrounding being arranged at the top of the second section shell ring is put, each limiting device that translates includes being fixedly welded on outside at the top of the second section shell ring
The top of shell ring is saved at limiting plate on wall, the top of limiting plate higher than second.
Compared with prior art, the advantage of the invention is that：The jacking type installation respective outer side edges gas top of the present invention
The method of liter can carry out the installation of Large Steel feed bin, and compared with traditional installation, first, change working at height is lower operation, both
Scaffold expense is saved, and adds the security of construction；And the operating position entirely constructed immobilizes, therefore effect of constructing
Rate is high, short time limit；Secondly, formal dress technology need to set and look for round device temporarily, and mechanical lifting flip chip technology needs to set lifting device,
And these devices are not required in this installation constructing structure, can greatly save measure expense；Again, the construction that this installation constructing structure uses
Mechanical equipment is less, can save cost of constructor's mechanical plant；Finally, the wind turbine and air hose that this installation constructing structure uses can also be utilized directly
The wind turbine and air hose of purifying and dedusting subdivisional work, can further save operating expenses in total engineering.
Description of the drawings
Fig. 1 is the structure diagram of jacking type installation structure of the present invention.
Fig. 2 is the structure diagram of survivor of a murder attempt's tension device.
Fig. 3 is the overlooking the structure diagram of survivor of a murder attempt's tension device in Fig. 2.
Marginal data：
1st, air blower；2nd, electric butterfly valve；3rd, U-tube manometer；4th, limiting device；5th, the second section shell ring；51st, arc panel；
6th, limiting device is translated；7th, first segment shell ring；8th, packing；9th, height limiter is balanced；101st, the first sealed rubber plate；102nd, second
Sealed rubber plate；11st, bottom plate；12nd, the vertex of a cone；13rd, blast pipe；14th, basic platform；15th, survivor of a murder attempt's tension device；151st, laterally pull
Cucurbit；152nd, ear is drawn.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the jacking type installation structure of the Large Steel feed bin of the present embodiment, including basic platform 14,
One section shell ring 7 and second saves shell ring 5, and bottom plate 11 is equipped on basic platform 14, and the bottom plate 11 of the present embodiment is an annular slab, by
48 pieces of cambered plates are spliced；Second section shell ring 5 is placed on bottom plate 11, and first segment shell ring 7 is sheathed on the inside of the second section shell ring 5
And close to the madial wall of the second section shell ring 5, a vertex of a cone 12 is sealedly connected at the top of first segment shell ring 7 and forms a bell jar
Structure.Second section shell ring 5 is spliced by polylith arc panel 51 and is reserved there are one the vertical seam that wouldn't splice as the survivor of a murder attempt, the survivor of a murder attempt
Two pieces of arc panels 51 at place have the overlap joint surplus of certain length, air leakage during reducing air blast.Above-mentioned bell cover structure, second
Section shell ring 5 and basic platform 14 surround a relatively closed inflatable chamber；Bell cover structure bears pressed gas top in inflatable chamber for one
The floating type structure risen, the second section shell ring 5 are intended being fixed in the structure to be installed below bell cover structure for one.
As shown in Figure 1, the installation structure of the present embodiment has further included seal assembly, which includes treating bell jar
Structure can be by the first sealed rubber plate 101 of clearance seal between the second section shell ring 5 and bottom plate 11, the first caulking gum after rising
Plate 101 is laid on bell cover structure bottom, and further including can be by second of gap sealing between the section shell ring 5 of first segment shell ring 7 and second
Sealed rubber plate 102, the second sealed rubber plate 102 is fixed in bell cover structure bottom, and the second sealed rubber plate 102 is with bell jar knot
First segment shell ring 7 and second can be saved the gap sealing between shell ring 5 by structure when rising.
The installation structure of the present embodiment, which further includes to connect with bell cover structure inner cavity, carries out air blast to jack bell cover structure
Blower device, blower device include air blower 1, blast pipe 13, electric butterfly valve 2 and U-tube manometer 3, in basic platform 14
On central feed opening at be equipped with air inlet hole, the air outlet of air blower 1 connected by blast pipe 13 with air inlet hole, and air inlet hole is located at
Be conducive to the steady of wind pressure at central feed opening；Electric butterfly valve 2 be arranged on blast pipe 13 on, U-tube manometer 3 by pressure-measuring pipe with
The connection of feed opening nearby on basic platform 14.By blower device, into bell cover structure, air blast can jack bell cover structure.
When jacking bell cover structure, to prevent the second section shell ring 5 from being taken off because being moved upwards during the frictional force effect between first segment shell ring 7
From bottom plate 11, the present embodiment is additionally provided with limiting device 4 on basic platform 14, and limiting device 4 is equipped with 12 groups altogether, 12 groups of /V dresses
4 peripheries for being evenly distributed on the second section shell ring 5 are put, each limiting device 4 includes being fixed on 5 lower part outer wall of the second section shell ring
Short beam and the hook being fixed on bottom plate 11, hook is with the limiting section that /V is contacted with short beam upper surface.
In the present embodiment, as shown in Figures 2 and 3, between two pieces of arc panels 51 at the survivor of a murder attempt of the above-mentioned second section shell ring 5
The survivor of a murder attempt's tension device 15 for preventing that the survivor of a murder attempt from opening is additionally provided with, survivor of a murder attempt's tension device 15 includes the horizontal chain block of three groups of 10t
151, vertical interval setting of this three groups of transverse direction chain blocks 151 along the second section shell ring 5 is corresponding on the arc panel 51 of survivor of a murder attempt both sides
It is respectively and fixedly connected in every group of transverse direction chain block 151 there are one ear 152 is drawn, horizontal chain block 151 is connected to the drawing of survivor of a murder attempt both sides
Between ear 152.
In the present embodiment, the length of two pieces of arc panels 51 overlap joint surplus at the survivor of a murder attempt is 400mm, certain overlap joint surplus
Length can also be more than or less than 400mm.
In the present embodiment, make in 7 madial wall of first segment shell ring away from being provided with swelling at the 200mm of bottom in first segment shell ring 7
Its packing 8 being held round, the outer diameter of packing 8 is equal with the internal diameter of feed bin cylinder, and packing 8 is joined end to end by four section arc channel steels
It forming, arc channel steel is rolled using 25# channel steels on veneer reeling machine, and two adjacent sections arc channel steel is connected by socket joint running-on,
So that two adjacent sections arc channel steel can relative telescopic activity, be equipped in joint 5t jack force make four section arc channel steels
Form the inner wall of the packing 8 of an entirety and swelling fitting first segment shell ring 7.The second above-mentioned sealed rubber plate 102 can clamp
It is fixed on packing 8.
Installation structure in the present embodiment further include the degree of balance in 12 groups of adjustment bell cover structure uphill process and
9,12 groups of balance height limiters 9 of balance height limiter of limitation bell cover structure lifting height are evenly distributed on the four of bell cover structure
Week, each height limiter 9 that balances include the vertical chain block of 5t, are fixed in the upper lifting lug of the vertex of a cone 12 and are fixed in 11 lower margin of bottom plate
Lower lifting lug on bolt, vertical chain block are connected between lifting lug and lower lifting lug.
Installation structure in the present embodiment further includes multigroup translation limiting device 6, and multigroup translation limiting device 6 is set
Outside surrounding at 5 top of the second section shell ring, each limiting device 6 that translates include being fixedly welded on 5 top exterior walls of the second section shell ring
On limiting plate, the top 60mm of the second section shell ring 5 is higher by the top of limiting plate, when the bottom of bell cover structure is jacked to being higher by
During the top of the second section shell ring 5, translation limiting device 6 will have an effect to prevent bell cover structure from translating.
Installation structure in the present embodiment can coordinate each shell ring of gas jack-block installation Large Steel feed bin, specifically
, it is jacked in 7 bottom of first segment shell ring of bell cover structure when being higher by 5 top 2mm of the second section shell ring, collapses the second section shell ring 5
The survivor of a murder attempt by first segment shell ring 7 and second section shell ring 5 dock, after the completion of docking, by second save 5 survivor of a murder attempt of shell ring at overlap joint surplus
Then excision saves the girth welding between vertical seam and the section shell ring 5 of first segment shell ring 7 and second at 5 survivor of a murder attempt of shell ring by second,
So far the installation of two neighboring shell ring is completed；It is all by what is linked into an integrated entity after installation when carrying out the installation of remaining each shell ring
Shell ring is as first segment shell ring 7, and all shell rings and the vertex of a cone 12 to link into an integrated entity are as new bell cover structure, next cylinder to be installed
Section then as the second section shell ring 5, so forms a new installation structure, using the above method and so on, you can
Complete the installation of remaining each shell ring.
By taking the installation of certain factory 16000t aluminium oxide Large Steel feed bins as an example, the model Φ 30m of the Large Steel feed bin
× 27.4m, a diameter of 30m of cylinder are highly 27.4m, and cylinder is made of 14 section shell rings, steel feed bin gross weight 586t, most air
Body jack weight 458t, it is necessary to maximum gas lift-up pressure 768mmH2O, i.e. 0.0768atm or 0.0768Kgf/cm2。
As shown in Figure 1, carrying out the method for gas jacking installation using above-mentioned installation structure, specifically include following
Step：
1. bottom plate 11, first segment shell ring 7 and the vertex of a cone 12 are installed：
In the bottom plate 11 that the top of basic platform 14 circularizes the splicing of polylith cambered plate block-by-block；It will composition on bottom plate 11
The arc-shaped plate of first segment shell ring 7 is spliced into first segment shell ring 7, and the vertex of a cone 12, first segment cylinder are then installed on first segment shell ring 7
Section 7 and the vertex of a cone 12, which are tightly connected, forms a bell cover structure.
2. the second section shell ring 5 splices：
Peripheral burst assembled welding second section shell ring of the arc panel 51 in first segment shell ring 7 of the second section shell ring 5 will be formed
5, when the second section shell ring 5 splices, leaving the last item and founding seam wouldn't put together, and as the survivor of a murder attempt, two pieces of arc panels 51 at survivor of a murder attempt place are in advance
The overlap joint surplus of 400mm long is stayed, air leakage during reducing air blast tenses the arcs of survivor of a murder attempt both sides using survivor of a murder attempt's tension device 15
Plate 51 is to prevent the survivor of a murder attempt from opening.
3. the following constructional device of installation：
3.1 installation sealing devices：The first caulking gum is made in the long band that 300mm wide is processed into 3mm thickness General Purpose Rubber plates
101 and second sealed rubber plate 102 of plate, the first sealed rubber plate 101 are directly laid between first segment shell ring 7 and bottom plate 11,
Second sealed rubber plate 102 is fixed on first segment shell ring 7, and the second sealed rubber plate 102 rises with first segment shell ring 7 and by
One section shell ring 7 and second saves the gap sealing between shell ring 5.Before jacking, the first sealed rubber plate 101 is first laid on first segment
Between shell ring 7 and bottom plate 11, after first segment shell ring 7 rises, the first sealed rubber plate 101 will not be with first segment under gas pressure
Shell ring 7 rises, but is bonded immediately with the second section shell ring 5 after first segment shell ring 7 is departed from, so as to save shell ring 5 and bottom by second
Gap sealing between plate 11.
3.2 installation blower devices：It is flat on basis including air blower 1, blast pipe 13, electric butterfly valve 2 and U-tube manometer 3
Air inlet hole is equipped at central feed opening on platform 14, air inlet hole, which is located at central feed opening, is conducive to the steady of wind pressure, air blower 1
Air outlet connected by blast pipe 13 with air inlet hole, electric butterfly valve 2 be arranged on blast pipe 13 on, U-tube manometer 3 passes through pressure measurement
Pipe is connected with the feed opening nearby on basic platform 14, and then is connected to the inside of first segment shell ring 7.
3.3 installation balance height limiters 9：Balance height limiter 9 shares 12 groups, is distributed in warehouse periphery, every group by one
The vertical chain blocks of 5t, upper lifting lug and lower lifting lug composition, upper lifting lug are welded on silo roof stiffening ring, and lower lifting lug is fixed on bottom plate 11
Foundation bolt on；When the unbalance condition that bell cover structure is high on one side, one side is low occurs in jacking, by balancing height limiter 9
Adjustment balance, when jacking in place, balance height limiter 9, which also acts as, prevents super top（Excessively beyond 5 top of the second section shell ring）'s
Position-limiting action.
3.4 installation packings 8：Packing 8 is a circular trough steel ring, is arranged on above 7 times mouths of first segment shell ring at 200mm, adopts
It is rolled with 25# channel steels on veneer reeling machine, outer diameter is equal with feed bin shell ring outer diameter, and packing 8 is first by four section arc channel steel sections
Tail is connected, and two adjacent sections arc channel steel section is connected by socket joint running-on, forms retractable flexible connection, pacifies in joint
5t jack pressure swelling packing 8 is filled, makes the inner wall of 8 swelling of packing fitting first segment shell ring 7, first segment shell ring 7 is made to keep circle
Shape.Above-mentioned second sealed rubber plate 102 is fixed on clamp on the lower flange of 8 channel steel of packing
3.5 installation limiting devices 4 and translation limiting device 6：Hook is welded at foundation bolt in bottom plate 11, in second
5 corresponding position of shell ring welding short beam is saved, hook and short beam form limiting device 4, and hook has contacts /V with short beam upper surface
Limiting section makes the limiting section of barb hook short beam, you can the second section shell ring 5 is prevented to move upwards and departs from bottom plate 11, limiting device 4
Quantity for 12 pairs, be distributed on the surrounding of the second section shell ring 5.The second section shell ring 5 top outer every 2m welded limiting plates,
As translation limiting device 6, the top of limiting plate rises to first segment higher than the top 60mm of the second section shell ring 5 in bell cover structure
When the bottom of shell ring 7 is higher by the second section shell ring 5, translation limiting device 6 can prevent first segment shell ring 7 from translating.
4. bell cover structure jacks：
4.1 after items are ready, close electric butterfly valve 2, No Load Start air blower 1.When 1 rotating speed of air blower reaches complete
After speed, electric butterfly valve 2 is opened, observes the pressure instruction on U-tube manometer 3, adjustment electric butterfly valve 2 makes wind pressure reach jacking pressure
Power makes bell cover structure slowly rise.
4.2 when bell cover structure rise to from require height（7 bottom of first segment shell ring is higher than the height at 5 top of the second section shell ring
Degree）When there remains 100mm, shade air quantity, and bell cover structure is made to slow down rising, when bell cover structure rises to the bottom of first segment shell ring 7
When portion is higher than the second section 5 top 2mm height of shell ring, wind pressure is adjusted and reduced to quiet floating pressure, makes bell cover structure stationary, collapses second
The survivor of a murder attempt of section shell ring 5 docks the section shell ring 5 of first segment shell ring 7 and second, and after the completion of docking, second is saved at 5 survivor of a murder attempt of shell ring
Overlap joint surplus is cut off with gas cutting, then out-of-blast.
4.3 welding：The survivor of a murder attempt of first welding the second section shell ring 5 founds seam, it is rear weld first segment shell ring 7 and second save shell ring 5 it
Between circumferential weld.
5. for all shell rings to link into an integrated entity after step 4 is installed as first segment shell ring 7, what is linked into an integrated entity is all
As new bell cover structure, next shell ring to be installed is repeated as the second section shell ring 5 using step 2 ~ 4 for shell ring and the vertex of a cone 12
Method remaining each shell ring is installed successively, until complete Large Steel feed bin installation.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, obtained improvement and change in the case where not departing from the technology of the present invention concept thereof
It changes and also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of jacking type installation structure of Large Steel feed bin, it is characterised in that：Including basic platform（14）And it is arranged on
Basic platform（14）The first segment shell ring of top（7）With the second section shell ring（5）, the first segment shell ring（7）Top sealing connect
It is connected to a vertex of a cone（12）Form a bell cover structure, the second section shell ring（5）It is sheathed on first segment shell ring（7）Outside, institute
State bell cover structure, the second section shell ring（5）And basic platform（14）Surround a relatively closed inflatable chamber；The bell cover structure is one
Bear the floating type structure that pressed gas jacks in inflatable chamber, the second section shell ring（5）Intend being fixed under bell cover structure for one
The structure to be installed of side；The second section shell ring（5）By polylith arc panel（51）It is spliced and reserved there are one wouldn't splice
Vertical seam as the survivor of a murder attempt, two pieces of arc panels at the survivor of a murder attempt（51）Overlap joint surplus with certain length, two pieces of arcs at the survivor of a murder attempt
Plate（51）Between be additionally provided with prevent the survivor of a murder attempt open survivor of a murder attempt's tension device（15）, the inflatable chamber is interior to be equipped with seal assembly；
The seal assembly includes being laid on bell cover structure bottom and can save shell ring by second after bell cover structure rising（5）With
Basic platform（14）Between clearance seal the first sealed rubber plate（101）, further include and be fixed in bell cover structure bottom and with clock
Cover structure can be by first segment shell ring when rising（7）With the second section shell ring（5）Between gap sealing the second sealed rubber plate
（102）；
The installation structure further includes multigroup rises to first segment shell ring in bell cover structure（7）Bottom be higher by the second section shell ring
（5）When prevent first segment shell ring（7）The translation limiting device of translation（6）, multigroup translation limiting device（6）It is arranged on the second section cylinder
Section（5）The outside surrounding at top, respectively translates limiting device（6）Including being fixedly welded on the second section shell ring（5）In top exterior walls
Limiting plate, the top of limiting plate is higher than the second section shell ring（5）Top.
2. installation structure according to claim 1, it is characterised in that：The basic platform（14）On be equiped with and prevent
Second section shell ring（5）The limiting device moved upwards（4）, the limiting device（4）Equipped with multigroup, multigroup limiting device（4）Point
Cloth saves shell ring second（5）Surrounding, each limiting device（4）Including being fixed in the second section shell ring（5）Short beam on outer wall and solid
It is connected to basic platform（14）On hook, the hook is with contacting the limiting section of /V with short beam upper surface.
3. installation structure according to claim 1, it is characterised in that：The installation structure further include with it is described
Inflatable chamber connection carries out air blast to jack the blower device of bell cover structure, and the blower device includes air blower（1）, blast pipe
（13）, electric butterfly valve（2）And U-tube manometer（3）, in the basic platform（14）On central feed opening at be equipped with air inlet
Hole, air blower（1）Air outlet pass through blast pipe（13）It is connected with air inlet hole, the electric butterfly valve（2）Arranged on blast pipe（13）
On, the U-tube manometer（3）The inside of the inflatable chamber is connected to by pressure-measuring pipe.
4. installation structure according to claim 1, it is characterised in that：Survivor of a murder attempt's tension device（15）Include more
The horizontal chain block of group（151）, multigroup horizontal chain block（151）Along the second section shell ring（5）Vertical interval setting, it is living
The arc panel of mouth both sides（51）The horizontal chain block of upper each group of correspondence（151）Ear is drawn there are one being respectively and fixedly connected with（152）, each horizontal stroke
To chain block（151）It is connected to the arc panel of survivor of a murder attempt both sides（51）Upper corresponding drawing ear（152）Between.
5. installation structure according to claim 1, it is characterised in that：The first segment shell ring（7）It is inside provided with swollen
Tightly in first segment shell ring（7）The packing for being held round it on inner wall（8）, packing（8）Joined end to end by more piece arc channel steel and
Into two adjacent sections arc channel steel is connected by socket joint running-on, and jack force is equipped in joint makes packing（8）Swelling is bonded
First segment shell ring（7）Inner wall.
6. installation structure according to claim 5, it is characterised in that：The packing（8）It is located at first segment shell ring（7）
On the madial wall of bottom, for by first segment shell ring（7）With the second section shell ring（5）Between gap sealing the second sealed rubber plate
（102）It is fixedly clamped in the packing（8）On.
7. installation structure according to claim 1, it is characterised in that：The basic platform（14）It is equipped with supporting clock
Cover structure and the second section shell ring（5）Bottom plate（11）, the bottom plate（11）For the annular slab being spliced to form by polylith cambered plate.
8. installation structure according to claim 1, it is characterised in that：The installation structure further includes multigroup tune
The balance height limiter of the degree of balance and limitation bell cover structure lifting height in whole bell cover structure uphill process（9）, Duo Zuping
Weigh height limiter（9）The surrounding of bell cover structure is distributed in, respectively balances height limiter（9）Including vertical chain block, it is fixed in cone
Top（12）Upper lifting lug and be fixed in bottom plate（11）On lower lifting lug, vertical chain block be connected to lifting lug and lower lifting lug it
Between.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974617A (en) * | 1973-12-17 | 1976-08-17 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Double shell tank construction method |
| CN101200982A (en) * | 2007-12-20 | 2008-06-18 | 中冶京唐建设有限公司 | Silo high-altitude pressure-swing gas-cap mounting process |
| CN102296857A (en) * | 2011-05-17 | 2011-12-28 | 中国核工业第五建设有限公司 | Pneumatic jacking construction process at vault of large-scale low-temperature storage tank and balance guide device thereof |
| CN103015781A (en) * | 2012-12-05 | 2013-04-03 | 中国化学工程第十三建设有限公司 | Method for top lift installation of inner tank and outer tank of double-wall storage tank |
| CN103510736A (en) * | 2013-10-24 | 2014-01-15 | 成军 | Method for lifting whole steel structure to top of concrete cabin through slip form and low-altitude modular assembly |
| CN205531590U (en) * | 2016-01-25 | 2016-08-31 | 五矿二十三冶建设集团第一工程有限公司 | Construction and installation structure of big shaped steel feed bin |
-
2016
- 2016-01-25 CN CN201610047323.5A patent/CN105672735B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974617A (en) * | 1973-12-17 | 1976-08-17 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Double shell tank construction method |
| CN101200982A (en) * | 2007-12-20 | 2008-06-18 | 中冶京唐建设有限公司 | Silo high-altitude pressure-swing gas-cap mounting process |
| CN102296857A (en) * | 2011-05-17 | 2011-12-28 | 中国核工业第五建设有限公司 | Pneumatic jacking construction process at vault of large-scale low-temperature storage tank and balance guide device thereof |
| CN103015781A (en) * | 2012-12-05 | 2013-04-03 | 中国化学工程第十三建设有限公司 | Method for top lift installation of inner tank and outer tank of double-wall storage tank |
| CN103510736A (en) * | 2013-10-24 | 2014-01-15 | 成军 | Method for lifting whole steel structure to top of concrete cabin through slip form and low-altitude modular assembly |
| CN205531590U (en) * | 2016-01-25 | 2016-08-31 | 五矿二十三冶建设集团第一工程有限公司 | Construction and installation structure of big shaped steel feed bin |
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