CN205476397U - Bayonet supporting platform of chimney inner tube - Google Patents
Bayonet supporting platform of chimney inner tube Download PDFInfo
- Publication number
- CN205476397U CN205476397U CN201620134387.4U CN201620134387U CN205476397U CN 205476397 U CN205476397 U CN 205476397U CN 201620134387 U CN201620134387 U CN 201620134387U CN 205476397 U CN205476397 U CN 205476397U
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- China
- Prior art keywords
- suspention
- urceolus
- beams
- support
- stiffening ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000725 suspension Substances 0.000 claims description 27
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a bayonet supporting platform of chimney inner tube, chimney include the urceolus with hang in at least one inner tube in the urceolus, the utility model discloses a be located two first crossbeams of just relative setting in the urceolus, two first crossbeam support in the inner wall of urceolus, two be equipped with two at least spinal branch supporting beam between the first crossbeam, supporting beam with first crossbeam enclose close form with at least one supports the framework inner tube periphery complex, be equipped with a plurality of thong roof beams in the support framework, the periphery cover of inner tube is equipped with the stiffening ring, the stiffening ring be equipped with with insert roof beam complex draw -in groove one by one, the one end of inserting the roof beam stretches into in the draw -in groove. The utility model discloses the eccentric phenomenon of load of stiffening ring has effectively been reduced for stiffening ring the force balance, non -deformable.
Description
Technical field
This utility model relates to the plug-in type of power plant's fume extractor technical field, especially chimney internal cylinder and supports flat
Platform.
Background technology
Suspended steel inner barrel chimney because of its good economy and stress performance, the most progressively obtain numerous owners and
The favor of designing unit.The stiffening ring in current its supporting way of suspension type steel inner cylinder week the most outer tube
Upper welding bracket is supported in each platform, or is supported on platform as triangular support configurations on stiffening ring.Generally
These supporting way all can make the load eccentricity phenomenon of steel inner cylinder stiffening ring substantially, stiffening ring unbalance stress,
Yielding.
Utility model content
Based on this, this utility model is to overcome the defect of prior art, it is provided that the insertion of a kind of chimney internal cylinder
Formula support platform, it effectively reduces the load eccentricity phenomenon of stiffening ring so that stiffening ring stress balance, no
Yielding.
Its technical scheme is as follows:
The plug-in type support platform of a kind of chimney internal cylinder, chimney includes urceolus and hangs in described urceolus extremely
A few inner core, it is characterised in that include two first crossbeams being positioned at described urceolus and being oppositely arranged,
Two described first crossbeams are supported in the inwall of described urceolus, are provided with at least two between two described first crossbeams
Root support beam, described support beam encloses with described first crossbeam and forms at least coordinated with described inner core periphery
Individual support frame, described support frame is provided with some slotting beams, and the periphery of described inner core is arranged with stiffening ring,
Described stiffening ring is provided with the draw-in groove coordinated one by one with described slotting beam, and one end of described slotting beam is stretched in described draw-in groove.
Wherein in an embodiment, also include two second cross beams being positioned at described urceolus and being oppositely arranged,
Two described second cross beams are supported in the inwall of described urceolus, are provided with at least two between two described second cross beams
Root suspention beam, described suspention beam enclose with described second cross beam formation coordinate with the periphery of described inner core and
Described support frame suspends framework one to one in midair, and described suspention framework is positioned at the surface of described support frame,
Described inner core is lifted on described suspention framework.
Wherein in an embodiment, described support beam includes main support beam and is positioned at described main support beam both sides
Some lateral support beams, the two ends of described main support beam are connected with two described first crossbeams, described side
Limit support beam, described main support beam and two described first crossbeams enclose formation with described main support beam as axis
Symmetrically arranged two described support frames, described suspention beam includes Primary Suspension beam and is positioned at described Primary Suspension beam
Some side suspention beams of both sides, the two ends of described Primary Suspension beam are connected with two described second cross beams, institute
State side suspention beam, described Primary Suspension beam and two described second cross beams to enclose to be formed and with described Primary Suspension beam be
Two described suspention frameworks that axisymmetrical is arranged.
Wherein in an embodiment, every side of described Primary Suspension beam is equipped with five described side suspention beams,
Five described side suspention beams enclose formation in octagon with described Primary Suspension beam, two described second cross beams
The described suspention framework of shape.
Wherein in an embodiment, described stiffening ring is provided with four lifting portions for suspension, described in four
Lifting portion is evenly arranged on described stiffening ring, each described lifting portion and a top of described suspention framework
Angle is oppositely arranged, and the arc length of the described inner core between adjacent two described lifting elements and described suspention framework
Two limits be oppositely arranged.
Wherein in an embodiment, each described support frame is equipped with four described slotting beams, Mei Yigen
Described slotting beam all centrally disposed towards described support frame, the straight line at adjacent two described slotting beam places in
90 ° intersect.
Wherein in an embodiment, described draw-in groove is recessed in the bottom of described stiffening ring, described slotting Liang Yusuo
State and between stiffening ring, be provided with the first cushion block.
Wherein in an embodiment, described support frame is additionally provided with the limiting plate of the both sides being positioned at described slotting beam.
Wherein in an embodiment, the inwall of described urceolus is provided with four the first brackets, each described
One end of one crossbeam is both secured to one of them described first bracket.
Wherein in an embodiment, the inwall of described urceolus is provided with four the second brackets, each described
One end of two crossbeams is both secured to one of them described second bracket.
Advantage or principle to preceding solution illustrate below:
This utility model provides the plug-in type support platform of a kind of chimney internal cylinder, and it uses slotting beam to stretch into stiffening ring
Draw-in groove in be supported inner core.On the one hand inner core is served the effect of support, on the other hand inner core is risen
Arrive spacing effect.Use this plug-type supporting way, the lotus of inner core stiffening ring can be efficiently reduced
Carry eccentric phenomena so that stiffening ring stress equalization, be unlikely to deform.Additionally, this utility model passes without using
The welding of system or bolted fixed form, it is to avoid the overhead welding being connected with steel inner cylinder or bolt connection
Operation, reduces difficulty of construction, also allows for supporting the leveling of stress point simultaneously, and construction is simple, construction quality
Can be easily obtained guarantee.
This utility model also includes the suspention framework being positioned at above support frame so that inner core is lifted on suspention frame
Body, is supported in support frame, and inner core integral hanging is in this supporting construction, and the installed surface up and down of inner core
It does not interfere with each other, it is simple to install.
The plug-in type support platform of chimney internal cylinder described in the utility model is provided with two suspention frameworks and two
Support frame body, hangs for realizing double inner cores of chimney.
Described lifting portion and suspention framework drift angle be oppositely arranged, make full use of suspention framework adjacent two edges it
Between gap, it is simple to lifting.
Each described support frame is equipped with four described slotting beams, and each described slotting beam is all towards described
Support frame body centrally disposed, and four slotting beam symmetries insert the periphery of inner cores, it is ensured that it is subject to during inner core suspension strut
Power equalizes, and improves inner core load-bearing capacity, ensures support frame stress equalization simultaneously.
It is provided with the first cushion block, it is possible to reduce insert between beam and stiffening ring between described slotting beam and described stiffening ring
Direct friction, improves the stressing conditions inserting beam so that supporting construction entirety is unlikely to deform.
The both sides of described slotting beam are additionally provided with limiting plate, and described limiting plate is installed on described support beam, in order to limit
Insert the lateral displacement of beam, it is ensured that insert the stability of beam.
Accompanying drawing explanation
Fig. 1 is the structural representation of the support frame of the chimney internal cylinder described in this utility model embodiment；
Fig. 2 is the A-A view of Fig. 1；
Fig. 3 is the B-B view of Fig. 2；
Fig. 4 is the structural representation of the suspention framework of the chimney internal cylinder described in this utility model embodiment.
Description of reference numerals:
100, urceolus, the 110, first bracket, the 120, second bracket, 200, inner core, 210, stiffening ring,
211, steel plate, 212, connecting plate, 213, draw-in groove, 214, lifting portion, 300, support frame, 310,
First crossbeam, 320, main support beam, the 331, first support beam, the 332, second support beam, the 333, the 3rd
Support beam, the 334, the 4th support beam, the 341, first tie-beam, the 342, second tie-beam, 351, first
Inserting beam, 352, second inserts beam, and the 353, the 3rd inserts beam, and the 354, the 4th inserts beam, the 361, first cushion block, 362,
Second cushion block, 371, limiting plate, 400, suspention framework, 410 second cross beams, 420, Primary Suspension beam, 431,
First suspention beam, the 432, second suspention beam, the 433, the 3rd suspention beam, the 434, the 4th suspention beam, 435,
5th suspention beam.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
Chimney includes urceolus 100 and at least one inner core 200 hung in urceolus 100.Urceolus 100 is mixed
Solidifying soil urceolus, inner core 200 is steel inner cylinder.As it is shown in figure 1, the plug-in type support platform of a kind of chimney internal cylinder,
Including being positioned at described urceolus 100 and two first crossbeams 310 being oppositely arranged, two described first crossbeams
310 inwalls being supported in described urceolus 100.Described urceolus 100 inwall is provided with four the first brackets 110,
One end of first crossbeam 310 is fixed on one of them first bracket 110.Two described first crossbeams 310
Between be provided with at least two support beams, described support beam and described first crossbeam 310 enclose formation with described in
At least one support frame 300 that cylinder 200 periphery coordinates.Described support frame 300 is provided with some slotting beams.
The periphery of described inner core 200 is arranged with stiffening ring 210, and described stiffening ring 210 is provided with joins one by one with described slotting beam
The draw-in groove 213 closed, one end of described slotting beam is stretched in described draw-in groove 213, as Figure 2-3.This practicality is new
Type uses slotting beam to stretch in the draw-in groove 213 of stiffening ring 210 and is supported inner core 200.On the one hand to inner core 200
Serve the effect of support, on the other hand inner core 200 is served spacing effect.Use this plug-in type
Supporting way, the load eccentricity phenomenon of inner core 200 stiffening ring 210 can be efficiently reduced so that stiffening ring
210 stress equalizations, are unlikely to deform.Additionally, this utility model is without using traditional welding or bolted
Fixed form, it is to avoid the overhead welding being connected with steel inner cylinder 200 or bolt connect operation, reduce construction
Difficulty, also allows for supporting the leveling of stress point simultaneously, and construction is simple, and construction quality can be easily obtained guarantee.
As it is shown in figure 1, support beam includes main support beam 320 and is positioned at some of main support beam 320 both sides
Lateral support beam.The two ends of main support beam 320 are connected with two first crossbeams 310.Specifically, each
The lateral support beam of support frame 300 all includes first support beam the 331, second support beam the 332, the 3rd support
Beam 333 and the 4th support beam 334.First support beam 331 one end is connected with wherein first crossbeam 310,
The other end is connected with main support beam 320；Second support beam 332 one end is with an other first crossbeam 310 even
Connecing, the other end is connected with main support beam 320；3rd support beam 333 one end and a wherein first crossbeam 310
Connecting, the other end is connected with urceolus 100 inwall；The 4th other first crossbeam 310 in support beam 334 one end
Connecting, the other end is connected with urceolus 100 inwall.Lateral support beam, main support beam 320 and two first are horizontal
Beam 310 encloses and forms two support frames 300 arranged for axisymmetrical with main support beam 320, may be used for
Double inner cores 200 support.
In the present embodiment, each support frame 300 is equipped with four slotting beams.Specifically, each props up
Support frame body 300 all includes first inserting beam 351, second inserting beam the 352, the 3rd and insert beam the 353, the 4th and insert beam 354
And first tie-beam 341 and the second tie-beam 342.First tie-beam 341 connects a wherein first crossbeam
310 and main support beam 320, the second tie-beam 342 connects an other first crossbeam 310 and main support beam 320.
First inserts beam 351 one end is fixed on the first tie-beam 341, and the other end is through the first support beam 331 and is supported in
On it；Second inserts beam 352 one end is fixed on the second tie-beam 342, and the other end is through the second support beam 332 also
It is supported on；3rd inserts beam 353 one end is fixed on urceolus 100 inwall, and the other end passes the 3rd support beam
333 and be supported on；4th inserts beam 354 one end is fixed on urceolus 100 inwall, and the other end passes the 4th
Support beam 334 is also supported on.Insert and intersect vertically between beam and lateral support beam, tie-beam.Further, often
Piece slotting beam all centrally disposed towards support frame 300, the straight line at adjacent two slotting beam places is 90 ° of phases
Hand over.Ensure that four slotting beam symmetries insert the periphery of inner core 200, it is ensured that during inner core 200 suspension strut, stress is equal
Weighing apparatus, improves steel inner cylinder 200 and the load-bearing capacity of supporting construction.
As Figure 2-3, stiffening ring 210 is made up of inside and outside two-layered steel plates 211, between two-layered steel plates 211
It is provided with connecting plate 212, there is preferable space stiffness.Described draw-in groove 213 is recessed in described stiffening ring 210
Bottom.Insert and between beam and the connecting plate 212 of stiffening ring 210, be provided with the first cushion block 361.Insert beam and lateral support
The second cushion block 362 it is provided with between beam.Specifically, from the A-A of Fig. 1 knowable to section view i.e. Fig. 2, second inserts beam
The first cushion block 361 it is provided with between 352 and the connecting plate 212 of stiffening ring 210.Second inserts beam 352 and second
It is provided with the second cushion block 362 between support beam 332.Above-mentioned measure can reduce slotting beam and stiffening ring 210 and slotting beam
And the direct friction between lateral support beam, improves the stressing conditions inserting beam so that supporting construction entirety is difficult to
Deformation.First cushion block 361 and the second cushion block 362 are billet.Support frame 300 is additionally provided with and is positioned at often
The limiting plate 371 of the both sides of a piece slotting beam, limiting plate 371 is spacing steel plate.Limiting plate 371 is installed on side
Support beam (the second support beam 332 as shown in Figure 4), in order to limit the lateral displacement of slotting beam, it is ensured that inserts
The stability of beam.
As shown in Figure 4, this utility model also includes being positioned at described urceolus 100 and be oppositely arranged two
Two crossbeams 410, two described second cross beams 410 are supported in the inwall of described urceolus 100.Urceolus 100 interior
Wall is provided with four the second brackets 120, and one end of second cross beam 410 is fixed on one of them second bracket 120.
At least two suspention beams, described suspention beam and described second cross beam it is provided with between two described second cross beams 410
410 enclose that formation coordinates and described support frame with the periphery of described inner core 200 suspends frame one to one in midair
Body 400.Described suspention framework 400 is positioned at the surface of described support frame.Described inner core 200 is lifted on institute
State suspention framework 400.Preferably, stiffening ring 210 is provided with several lifting portions 214, and lifting portion 214 is
Ear is chosen in lifting, and lifting is chosen ear and is provided with hole for hoist.Inner core 200 by the steel wire etc. of lifting through hole for hoist
Hang on suspention framework 400.Supporting mechanism described in the utility model, inner core 200 is used to be lifted on suspention frame
Body 400, is supported in support frame 300, and inner core 200 integral hanging is in this supporting construction so that inner core 200
Installed surface up and down do not interfere with each other, it is simple to install.
Suspention beam includes Primary Suspension beam 420 and is positioned at some side suspention beams of Primary Suspension beam 420 both sides.
The two ends of Primary Suspension beam 420 are connected with two second cross beams 410.Specifically, each suspention framework 400
In side suspention beam include that the first suspention beam 431, second suspends beam the 432, the 3rd in midair and suspends beam the 433, the 4th in midair
Suspention beam 434 and the 5th suspention beam 435.One end of first suspention beam 431 and a wherein second cross beam 410
Connecting, the other end is connected with Primary Suspension beam 420；One end of second suspention beam 432 and other one second horizontal stroke
Beam 410 connects, and the other end is connected with Primary Suspension beam 420；3rd suspention beam 433 one end with wherein one piece the
Two crossbeams 410 connect, and the other end is connected with urceolus 100 inwall；4th suspention beam 434 one end and other
Root second cross beam 410 connects, and the other end is connected with urceolus 100 inwall；The two ends of the 5th suspention beam 435 are divided
It is not connected with the 3rd suspention beam 433 and the 4th suspention beam 434.Side suspention beam, Primary Suspension beam 420 and two
Root second cross beam 410 encloses and forms two the suspention frameworks 400 arranged for axisymmetrical with Primary Suspension beam 420.
In summary, this utility model defines about the two groups suspention frameworks 400 being oppositely arranged and support frame 300,
It is applicable to the suspension strut of double inner core 200.
Preferably, suspention framework 400 is in octagon shape.To choose ear be four in lifting, and it is equal that ear is chosen in four liftings
Even it is arranged in inner core 200.Each lifting is chosen ear and is oppositely arranged with the drift angle suspending framework 400 in midair, and phase
Two limits of arc length and suspention framework 400 that the inner core 200 between ear is chosen in adjacent two liftings are oppositely arranged.Will
Lifting is chosen ear and is located at the drift angle of suspention framework 400, makes full use of between suspention framework 400 adjacent two edges
Gap, it is simple to lifting.This utility model chooses ear also dependent on liftings such as practical situation installations six or eight.
In the present embodiment, ear is chosen in lifting and draw-in groove about 213 dislocation is arranged on stiffening ring 210.
Each technical characteristic of above example can combine arbitrarily, for making description succinct, not to above-mentioned
The all possible combination of each technical characteristic in embodiment is all described, but, as long as these technology are special
There is not contradiction in the combination levied, is all considered to be the scope that this specification is recorded.
Above example only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for ability
For the those of ordinary skill in territory, without departing from the concept of the premise utility, it is also possible to make some
Deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the guarantor of this utility model patent
The scope of protecting should be as the criterion with claims.
Claims (10)
1. the plug-in type support platform of a chimney internal cylinder, chimney includes urceolus and at least one inner core hung in described urceolus, it is characterized in that, including being positioned at described urceolus and two first crossbeams being oppositely arranged, two described first crossbeams are supported in the inwall of described urceolus, it is provided with at least two support beams between two described first crossbeams, described support beam encloses with described first crossbeam and forms at least one support frame coordinated with described inner core periphery, described support frame is provided with some slotting beams, the periphery of described inner core is arranged with stiffening ring, described stiffening ring is provided with the draw-in groove coordinated one by one with described slotting beam, one end of described slotting beam is stretched in described draw-in groove.
The plug-in type support platform of chimney internal cylinder the most according to claim 1, it is characterized in that, also include two second cross beams being positioned at described urceolus and being oppositely arranged, two described second cross beams are supported in the inwall of described urceolus, at least two suspention beams it are provided with between two described second cross beams, described suspention beam encloses that formation coordinates with the periphery of described inner core and described support frame and suspends framework one to one in midair with described second cross beam, described suspention framework is positioned at the surface of described support frame, and described inner core is lifted on described suspention framework.
The plug-in type support platform of chimney internal cylinder the most according to claim 2, it is characterized in that, described support beam includes main support beam and is positioned at some lateral support beams of described main support beam both sides, the two ends of described main support beam are connected with two described first crossbeams, described lateral support beam, described main support beam and two described first crossbeams enclose and form two the described support frames arranged for axisymmetrical with described main support beam, described suspention beam includes Primary Suspension beam and is positioned at some side suspention beams of described Primary Suspension beam both sides, the two ends of described Primary Suspension beam are connected with two described second cross beams, described side suspention beam, described Primary Suspension beam and two described second cross beams enclose and form two the described suspention frameworks arranged for axisymmetrical with described Primary Suspension beam.
The plug-in type support platform of chimney internal cylinder the most according to claim 3, it is characterized in that, every side of described Primary Suspension beam is equipped with five described side suspention beams, and five described side suspention beams enclose, with described Primary Suspension beam, two described second cross beams, the described suspention framework formed in octagon shape.
The plug-in type support platform of chimney internal cylinder the most according to claim 4, it is characterized in that, described stiffening ring is provided with four for the lifting portion hung, four described lifting portions are evenly arranged on described stiffening ring, each described lifting portion is oppositely arranged with a drift angle of described suspention framework, and the arc length of described inner core between adjacent two described lifting elements is oppositely arranged with two limits of described suspention framework.
The plug-in type support platform of chimney internal cylinder the most according to claim 1, it is characterized in that, each described support frame is equipped with four described slotting beams, and each described slotting beam all centrally disposed towards described support frame, the straight line at adjacent two described slotting beam places is 90 ° and intersects.
The plug-in type support platform of chimney internal cylinder the most according to claim 1, it is characterised in that described draw-in groove is recessed in the bottom of described stiffening ring, is provided with the first cushion block between described slotting beam and described stiffening ring.
The plug-in type support platform of chimney internal cylinder the most according to claim 1, it is characterised in that described support frame is additionally provided with the limiting plate of the both sides being positioned at described slotting beam.
The plug-in type support platform of chimney internal cylinder the most according to any one of claim 1 to 8, it is characterised in that the inwall of described urceolus is provided with four the first brackets, one end of each described first crossbeam is both secured to one of them described first bracket.
10., according to the plug-in type support platform of the chimney internal cylinder according to any one of claim 2 to 5, it is characterised in that the inwall of described urceolus is provided with four the second brackets, one end of each described second cross beam is both secured to one of them described second bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134387.4U CN205476397U (en) | 2016-02-22 | 2016-02-22 | Bayonet supporting platform of chimney inner tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134387.4U CN205476397U (en) | 2016-02-22 | 2016-02-22 | Bayonet supporting platform of chimney inner tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205476397U true CN205476397U (en) | 2016-08-17 |
Family
ID=56678693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620134387.4U Expired - Fee Related CN205476397U (en) | 2016-02-22 | 2016-02-22 | Bayonet supporting platform of chimney inner tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205476397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481060A (en) * | 2016-10-08 | 2017-03-08 | 霍尔果斯新国金新能源科技有限公司 | Operating platform for tower and hanging method |
| CN107740631A (en) * | 2017-10-30 | 2018-02-27 | 四川电力设计咨询有限责任公司 | The bearing platform structure of three pipe sleeve-type chimneys |
-
2016
- 2016-02-22 CN CN201620134387.4U patent/CN205476397U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481060A (en) * | 2016-10-08 | 2017-03-08 | 霍尔果斯新国金新能源科技有限公司 | Operating platform for tower and hanging method |
| CN106481060B (en) * | 2016-10-08 | 2019-05-07 | 霍尔果斯新国金新能源科技有限公司 | Operating platform and hanging method for tower |
| CN107740631A (en) * | 2017-10-30 | 2018-02-27 | 四川电力设计咨询有限责任公司 | The bearing platform structure of three pipe sleeve-type chimneys |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |