CN203499228U - Ash opening supporting platform for overhauling boiler - Google Patents
Ash opening supporting platform for overhauling boiler Download PDFInfo
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- CN203499228U CN203499228U CN201320515536.8U CN201320515536U CN203499228U CN 203499228 U CN203499228 U CN 203499228U CN 201320515536 U CN201320515536 U CN 201320515536U CN 203499228 U CN203499228 U CN 203499228U
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Abstract
The utility model provides an ash opening supporting platform for overhauling a boiler. The ash opening supporting platform is composed of a plurality of sets of unit bearing assemblies which are connected in sequence, wherein each set of the unit bearing assembly is composed of a unit bearing bracket, a unit supporting plate and two unit triangular supporting and anti-slipping devices; each unit supporting plate is paved on the surface of each unit supporting bracket; the two unit triangular supporting and anti-slipping devices are respectively arranged at the two ends of the lower part of each unit supporting bracket; the two ends of each unit supporting bracket and the bottom ends of the unit triangular supporting and anti-slipping devices are used as supporting legs and are used for being abutted against a slope surface of a water-cooling wall ash opening of the boiler. According to the ash opening supporting platform, a triangular supporting steel beam whole structure with a stable structure is adopted so that the ash opening supporting platform is firm and reliable and is high in safety; the whole structure is flat and has no cracks and cavities which endanger the personal safety and the equipment safety; the ash opening supporting platform is rapid and convenient to assemble and detach; the ash opening supporting platform can be customized according to the requirements of randomly combining the length of the boiler to reach a needed working surface length for overhauling the boiler and according to the widths needed by different boiler types, and belongs to an originally-creative product of the same industry at home and abroad.
Description
Technical field
The utility model relates to boiler maintenance technical field, be specifically related to a kind of novel boiler maintenance ash mouthful support platform, the support works face arranging at Boiler Ash mouth upper position when it can overhaul for boiler of power plant, for boiler maintenance equipment provides the smooth scope of operation, both can coordinate the various repair apparatus of boiler to use, also can use separately; Effect is splendid, and boiler maintenance support platform can arbitrarily combine and reach the required scope of operation length requirement of boiler maintenance according to the length of boiler; The width that can also need according to the different type of furnaces customizes.The safety of its equipment, convenience, agility and practicality all belong to domestic and international original creation product of the same trade.
Background technology
The working platform that existing boiler maintenance is used, is to adopt scaffolding steel pipe to build layer by layer, is finally built into the scope of operation, then lays the boiler maintenance support scope of operation that bamboo raft forms in the above.
Mainly there is following problem and shortcoming in it:
1, due to reasons in structure, easily cause work plane to subside in whole or in part, have higher personal safety and device security hidden danger.
2, the service work face effort of using steel pipe scaffold to build: in closed container by diameter less than the manhole transmission of 500MM, transport the scaffolding of tens tons and build scaffolding steel pipe and the fastener of 600 left and right cube and enter in stove, one one steel pipe is built and is coupled together again, build the unsettled work plane that surpasses 6-12 rice height, be one and consume one's strength very much and adventurous work.
3, the ash mouthful working platform that uses steel pipe scaffold to build is consuming time: the 1000000 kilowatts of unit boilers of take are example, build and dismantle scaffolding steel pipe fastener ash mouthful time of the minimum needs of scaffold support platform about 3 days, the not only effort but also time-consuming of 660 left and right cube.
4, the ash mouthful working platform cost of using steel pipe scaffold to build is too high: because of rising steadily of steel and cost of labor, make the expense that scaffolds erecting also very high, the 1000000 kilowatts of boilers of take are example, more than building ash mouth support scope of operation needs 150,000 RMB, and are the trend rising steadily.
5, use the infringement to boiler inner wall in steel pipe scaffold material build process: the water caltrop cutting edge of a knife or a sword at steel pipe two ends is strict, because be directly to contact with boiler inner wall while building, so be easy to boiler water-wall tube to cause damage.
Build with demolishing process in have unavoidably steel pipe and a metal connecting piece falling from high altitude thing occur, not only field personnel is easily caused to personal injury, and the water-cooling wall of boiler and other boiler units are also easily caused damage, if repair in time Hui Gei power plant, do not cause heavy losses.
6, use the ash mouthful working platform that steel pipe scaffold is built to have a lot of potential safety hazards to maintainer and repair apparatus:
1) while building, the work high above the ground risk itself of building personnel is just very large;
2) because the bearing plate at top is bamboo raft, so the weight capacity of veneer is very poor, often there will be the situation of aging bamboo raft fracture, people is easy to be leaked down; Because the not straight in addition bamboo raft work plane that between steel pipe, so lay at irregularity top of top bamboo raft itself has a lot of larger spaces (from tens centimeters to tens centimeters not etc.) between bamboo raft and bamboo raft, slightly little article are easy to drop down from gap, easily cause falling object from high altitude to have very large potential safety hazard to staff below, also have because gap is excessive, out-of-flatness, people walk to be easy to fall into and in space, cause personal injury in the above.
3) to repair apparatus (especially large-scale repair apparatus), when work is mobile, can often there is the situation of overturning, maintainer's the person and repair apparatus safety are all existed to very large potential safety hazard.
7, (ash mouthful working platform) the service work face equipment moving that uses steel pipe scaffold to build is very inconvenient: because its work plane is bamboo raft, lay, be uneven, gap is very large, so have no idea carry out smooth-going movement in the above or be easy to be stuck when work plane moves large-scale or heavier equipment.
8, the ash mouthful working platform maintenance of using steel pipe scaffold to build is very inconvenient: if need to overhaul because of the position contacting with scaffold the position that also needs to readjust scaffold in maintenance process, while carrying out the whole sandblast spraying in stove (while checking the interior leak source of stove), the place contacting with boiler inner wall need to be removed one by one, very inconvenient.In use, the muscle power consuming when maintainer climbs is very large, have no idea to carry overweight and large-scale repair apparatus for steel pipe scaffold, to service work, brings inconvenience.
Utility model content
Described in background technology, in boiler maintenance process, there is above-mentioned middle problems and defect in existing mode of building boiler maintenance work plane, thus steam power station is badly in need of that a safety, weight capacity are strong, surfacing, easy to assemble, facilitate transportation can substitute the product of the present boiler maintenance scope of operation.My company is providing for thermal power plant in boiler maintenance Engineering Service process for many years, accumulated more construction experience, profoundly realize problem and shortcoming that existing boiler maintenance scaffold work face exists in actual use, so, sprouted the existing idea of building service work face mode of products substitution that will design a safe and applicable, and organize the senior professional designer of company and supervisor of construction, by design and a large amount of testing experiment more than a year, finally developed a safety, weight capacity is good, overall work face is smooth, the dismounting boiler maintenance ash mouthful support platform of convenient transportation again very easily.
The utility model is achieved through the following technical solutions:
A kind of boiler maintenance ash mouthful support platform, it is sequentially arranged and connects to form by overlap unit bearing component more, every suit unit bearing component is comprised of unit support bracket, unit supports plate and two unit gusseted shoes, described unit supports plate is layed in the surface of described unit support bracket, and described two unit gusseted shoes are arranged at respectively two ends, support bracket bottom, described unit; The bottom of the two ends of described unit support bracket and described unit gusseted shoe is as leg, all for being connected to described boiler water wall ash mouthful slope.
Described unit support bracket comprises as two of crossbeam isometric parallel pipes and is welded in and is connected keel with many of this two beam vertical between this two crossbeam, wherein, two connection keel connect as limit the position that keel are welded in respectively two ends of contiguous described two crossbeams; At the both ends of described two crossbeams, be welded with respectively one for connecting the bearing tube of the end points of described two crossbeams, it is parallel and adjacent that this bearing tube and described limit are connected keel.
Described gusseted shoe comprises adjuster and stressed adjusting eyelid retractor, and described adjuster comprises the gaily decorated basket and the regulator body that is connected in described gaily decorated basket two ends, and wherein, the end of a regulator body is articulated with the point midway that a described limit connects keel; Described stressed adjusting eyelid retractor comprises stressed support bar and the regulator body being connected with one end of this stressed support bar, the other end of described stressed support bar is articulated with the point midway that is connected the connection keel that keel are adjacent with described limit, and a skidproof supporting leg is fixed in the end of the regulator body of described stressed adjusting eyelid retractor.
The adjacent of every two adjacent unit bearing components, is respectively equipped with two plates and connects fastening anti-slip device, and its two adjacent crossbeams by the unit support bracket of described two unit bearing components connect fastening.
Described pair of plate connects fastening anti-slip device and comprises upper cover plate and lower cover, wherein, upper cover plate is arranged at upper surface and the external margin of described two crossbeams, lower cover is arranged at soffit and the external margin of described two crossbeams, this two cover plate connects fastening by fastener, thereby described two unit bearing components are connected fastening.
The two ends of described many covers unit bearing component arrange respectively many plates pull bar and connect anti-skidding fastener pressing plate, described each many plates pull bar connects on anti-skidding fastener pressing plate every a segment distance place, connect one end that the pull bar of plate more than connects anti-skidding fastening pull rod, the other end that this many plates pull bar connects anti-skidding fastening pull rod is movably connected on same bottom fixedly on anchorage bar, and the described bottom fixedly two ends of anchorage bar is stuck in respectively the lower end of the both sides water cooling tube of the apparatus of thermo-electric power boiler that needs maintenance.
Described many plates pull bar connects anti-skidding fastening pull rod and comprises the fastening length screw rod of two adjustings and be connected in the described two fastening length adjusters of adjusting that regulate between fastening length screw rod.
The described bottom fixedly two ends of anchorage bar is provided with anti-skidding insulation rubber cushion.
Compared with prior art, the utility model possesses following advantage:
1, adopt constitutionally stable gusseted girder steel overall structure, solid and reliable, safe, pass through bearing test, the weight capacity that veneer (every square meter) can load-bearing reaches 1500KG(veneer is original 4.3 times), main equipment can freely be carried out in the above and walk.
2, smooth, gap and the cavity of not jeopardizing personal safety and device security of overall structure: the drop that the connection gap between each unit block is less than between 5 millimeters, height is less than 5 millimeters, effectively guarantee operating personnel's personal safety and avoided the generation of falling object from high altitude, also fluent when work plane mobile device and weight in addition.
3, assembly and disassembly are efficient and convenient, greatly saved the time of building laying: with existing scaffold erecting ash mouthful support platform than the assembly and disassembly time by 20 original scaffolders need continuous operation 40-50 hour, shorten to 4 skilled workers and lay 50-60 minute.
4, the gusseted structure design in structure of the present utility model is adjustable for carrying out 0-30 degree, can adapt to the construction conditions of inside any angle ash mouthful water-cooling wall of boiler.
5, all adopt Wear-resistant, high-temperature resistant rubber cushion with boiler water wall contact site, effectively avoid scratch water screen tube.
6, unit block surface adopts anti-skidding aluminium sheet design, effectively prevents that staff from falling down injured.
7, all metal material are all done anti-oxidant treatment, guarantee product application life, and the utility model can reach 10 years application life.
8, between unit block, adopt the mode that is connected and fixed of unique design, after laying fast, can be linked to be an integral body, effectively strengthened stability, fastness and the safety of boiler maintenance ash mouthful support platform.
In addition, from the producible Economic and Efficiency Analysis of the utility model, it has the following advantages:
1, the utility model structure design is simple, cheap for manufacturing cost and Reusability repeatedly, thereby effectively saved the product purchasing cost of disposable input and built cost, and the cost in use procedure is substantially negligible, thus compare with existing method of building steel pipe scaffold work plane can deserve to be called real inexpensive.
2, because the utility model assembly and disassembly time is short, efficiency is high, has greatly saved the repair time of boiler unit, for client brings huge economic benefit.The 1000000 kilowatts of unit boilers of take are example: building and dismantle existing scaffold ash mouthful support platform needs the time of about 3 days, and as long as the laying of new product and dismounting are 60 minutes, this has just saved the repair time of similar 40-50 hour, 1000000 kilowatts of unit generated energy hourly are 1,000,000 kilowatt hours (i.e. 1,000,000 degree electricity), the generated energy that can have 2,400 ten thousand degree for 24 hours, profit with 0.1 yuan of every degree electricity is calculated, and each maintenance can be just power plant's direct economic benefits of creating 7,200,000 yuans more.
Accompanying drawing explanation
Fig. 1 is the perspective view of the veneer gripper shoe of the utility model embodiment mono-and the released state of veneer support bracket;
Fig. 2 is the perspective view of the veneer gripper shoe of the utility model embodiment mono-and the bonding state of veneer support bracket;
Fig. 3 is the schematic side view of the unit supports assembly of the utility model embodiment mono-;
Fig. 4 is the phantom drawing of two unit bearing component assembled state of the utility model embodiment mono-;
Fig. 5 is along the generalized section of A-A line in Fig. 4;
Fig. 6 is the top view of the boiler maintenance ash mouthful support platform of the utility model embodiment bis-;
Fig. 7 is the lateral view of the boiler maintenance ash mouthful support platform of the utility model embodiment bis-;
Fig. 8 is the boiler maintenance ash mouthful support platform building method schematic diagram of the utility model embodiment tri-.
The specific embodiment
embodiment mono-:
The present embodiment provides a kind of boiler maintenance ash mouthful support platform, and as shown in Figure 1 to Figure 3, it is sequentially arranged and connect to form by overlap unit bearing component more.Every suit unit bearing component is comprised of unit support bracket 10, unit supports plate 20 and two unit gusseted shoes 30, described unit supports plate 20 is layed in the surface of described unit support bracket 10, and described two unit gusseted shoes 30 are arranged at respectively the two ends, bottom of described unit support bracket 10; The bottom of the two ends of described unit support bracket 10 and described unit gusseted shoe 30 is as leg, all for being connected to the ash mouthful slope 1 of the water-cooling wall of the described boiler that needs maintenance.
Described in each, unit support bracket 10 comprises as two of crossbeam isometric parallel pipes 11 and vertical with this two crossbeam 11 many of being welded between this two crossbeam 11 and is connected keel 12, wherein, two connection keel 12 connect as limit the position that keel are welded in respectively two ends of contiguous described two crossbeams 11; At the both ends of described two crossbeams 11, be welded with respectively one for connecting the bearing tube 13 of the end points of described two crossbeams 11, it is parallel and adjacent that this bearing tube 13 and described limit are connected keel 12.This bearing tube 13 is preferably pipe girder steel, and to be connected keel 12 parallel and adjacent with described limit for it.And preferred, the external surface of this two pipes girder steel 13 is coated with skid resistant course.Concrete, described skid resistant course is anti-skidding insulation rubber, itself and described two pipe girder steels 13 are fixed by rivet.
The length of described unit supports plate 20 is slightly less than the length of described unit support bracket 10, after making described unit supports plate 20 be layed on described unit support bracket 10, between each end of unit supports plate 20 and the corresponding end of unit support bracket 10, all leave space.
Described unit gusseted shoe 30 comprises adjuster 31 and stressed adjusting eyelid retractor 32, described adjuster 31 comprises the gaily decorated basket 311 and is connected in the regulator body 312 at the described gaily decorated basket 311 two ends, wherein, an end of regulator body 312 is articulated with the point midway that a described limit connects keel 12; Described stressed adjusting eyelid retractor 32 comprises the regulator body 322 that stressed support bar 321 is connected with one end with this stressed support bar 321, the other end of described stressed support bar 321 is articulated with the point midway that is connected the connection keel 12 that keel 12 are adjacent with described limit, a skidproof supporting leg 323 is fixed in the end of the regulator body 322 of described stressed adjusting eyelid retractor 32, is connected on the ash mouthful slope 1 of water-cooling wall of the described boiler that needs maintenance as described leg.
As shown in Figures 4 and 5, the adjacent of every two adjacent unit bearing components, is respectively equipped with two plates and connects fastening anti-slip device 40, and its two adjacent crossbeams 11 by the unit support bracket 10 of described two unit bearing components connect fastening.Described pair of plate connects fastening anti-slip device 40 and comprises upper cover plate 41 and lower cover 42, wherein, upper cover plate 41 is arranged at upper surface and the external margin of described two crossbeams 11, lower cover 42 is arranged at soffit and the external margin of described two crossbeams 11, this two cover plate 41,42 connects fastening by fastener, thereby described two unit bearing components are connected fastening.
Described unit supports plate 20 is comprised of panel and the anti-skidding aluminium sheet that is coated on described panel surface.
To sum up, described unit bearing component utilizes described pipe girder steel 13 to make the strong point with boiler water wall ash mouthful contacting of slope, recycle described unit gusseted shoe 30 and play fixed support effect, can also regulate according to the gradient of boiler water wall ash mouthful slope 1 angle of described unit gusseted shoe 30, between pipe girder steel 13 and boiler water wall ash mouthful slope contact point, be provided with antiskid glue cushion, can prevent from damaging boiler water wall ash mouthful slope 1.
A plurality of described unit bearing components all connect fastening anti-slip device 40 by above-mentioned two plates between any two and connect fastening.
embodiment bis-:
The present embodiment provides another kind of boiler maintenance ash mouthful support platform, and it is similar with embodiment mono-, and difference is only: the boiler maintenance ash mouthful support platform of the present embodiment also comprises the many plates pull bar connection fastening anti-slip device that prevents its rollover.
In embodiment mono-, in the described space at the two ends of described many covers unit bearing component, plate pull bar more than is set respectively and connects anti-skidding fastener pressing plate 51, described each many plates pull bar connect anti-skidding fastener pressing plate 51 every a segment distance place, connect one end that the pull bar of plate more than connects anti-skidding fastening pull rod 52, the other end that this many plates pull bar connects anti-skidding fastening pull rod 52 is movably connected on same bottom fixedly on anchorage bar 53, and the described bottom fixedly two ends of anchorage bar 53 is stuck in respectively the lower end of the both sides water cooling tube of the apparatus of thermo-electric power boiler that needs maintenance.Described many plates pull bar connects anti-skidding fastening pull rod 52 and comprises the fastening length screw rod 521 of two adjustings and be connected in the described two fastening length adjusters 522 of adjusting that regulate between fastening length screw rod 521.
The described bottom fixedly two ends of anchorage bar 53 is provided with anti-skidding insulation rubber cushion.
By regulating described two to regulate fastening length screw rod 521 to regulate described many plates pull bar to connect the length of anti-skidding fastening pull rod 52, making described many plates pull bar connect anti-skidding fastener pressing plate 51 can press and scrape described a plurality of unit support bracket 10, both can strengthen the connection of a plurality of unit bearing component, and can effectively prevent in use, due to the rollover of the uneven whole boiler maintenance ash mouthful support platform causing in the hand of two ends.
embodiment tri-:
The present embodiment provides the building method of the boiler maintenance ash mouthful support platform described in a kind of embodiment bis-.
The present embodiment comprises the following steps:
As shown in Figure 8, one or more unit bearing component is is directly patrolled and examined to the manhole door 60 that stair portion arranges by the high boiler of 6-12 rice to be put on the Hui Kou position in stove and to lay installation, another steps down on the unit bearing component laying after entering by described manhole door 60 to two people, according to carrying out length in boiler, need to carry out laying work;
The personnel that one or two people outside boiler is patrolled and examined stair portion lays to the inside by described Boiler Ash mouth manhole door 60 transmit a plurality of unit bearing component, and the inside laying personnel is linked in sequence and lays the plurality of unit bearing component.
The advantage of the method is:
1, a plurality of unit load-bearing supporting components are directly in the position of Boiler Ash mouth manhole door, unit block to be directly put on the Hui Kou position in stove, in the 6-12 rice of bottom, without building again any support object, just can complete smoothly the ash mouthful support scope of operation like this, this is the one action innovation of ash mouthful support works face, and it will become a kind of development trend that following boiler maintenance supports scope of operation technological transformation;
So 2, to be that 31.2KG 2 people carry very convenient quick for the finished weight of every platform unit bearing component;
3, Boiler Ash mouth support platform unit bearing component is placed in special-purpose Storage and transport case after assembling, can take out when needed rear directly by the boiler manhole use of mating formation, mating formation and carrying out the connect hours with adjacent cells bearing component with " butterfly button " of every module unit bearing component is probably about half a minute, lay 30 meters of boiler maintenance work planes, 4 staff lay and probably need 1 hour time to complete.
The technical scheme of the utility model protection is not limited to above-mentioned several embodiment, and all embodiments that extend on the utility model design basis of above-described embodiment are the scope of the utility model protection.For example: in embodiment mono-, between the corresponding end of the end of described unit supports plate and unit support bracket, can there is no space yet, in such situation, the many plates pull bar in embodiment bis-connects anti-skidding fastener pressing plate and is arranged at above the end of unit supports plate.
Claims (8)
1. boiler maintenance ash mouthful support platform, it is characterized in that: it is sequentially arranged and connect to form by overlap unit bearing component more, every suit unit bearing component is comprised of unit support bracket, unit supports plate and two unit gusseted shoes, described unit supports plate is layed in the surface of described unit support bracket, and described two unit gusseted shoes are arranged at respectively two ends, support bracket bottom, described unit; The bottom of the two ends of described unit support bracket and described unit gusseted shoe is as leg, all for being connected to described boiler water wall ash mouthful slope.
2. boiler maintenance according to claim 1 ash mouthful support platform, it is characterized in that: described unit support bracket comprises as two of crossbeam isometric parallel pipes and is welded in and is connected keel with many of this two beam vertical between this two crossbeam, wherein, two connection keel connect as limit the position that keel are welded in respectively two ends of contiguous described two crossbeams; At the both ends of described two crossbeams, be welded with respectively one for connecting the bearing tube of the end points of described two crossbeams, it is parallel and adjacent that this bearing tube and described limit are connected keel.
3. boiler maintenance according to claim 2 ash mouthful support platform, it is characterized in that: described gusseted shoe comprises adjuster and stressed adjusting eyelid retractor, described adjuster comprises the gaily decorated basket and is connected in the regulator body at described gaily decorated basket two ends, wherein, the end of a regulator body is articulated with the point midway that a described limit connects keel; Described stressed adjusting eyelid retractor comprises stressed support bar and the regulator body being connected with one end of this stressed support bar, the other end of described stressed support bar is articulated with the point midway that is connected the connection keel that keel are adjacent with described limit, and a skidproof supporting leg is fixed in the end of the regulator body of described stressed adjusting eyelid retractor.
4. boiler maintenance according to claim 3 ash mouthful support platform, it is characterized in that: the adjacent of every two adjacent unit bearing components, be respectively equipped with two plates and connect fastening anti-slip device, its two adjacent crossbeams by the unit support bracket of described two unit bearing components connect fastening.
5. boiler maintenance according to claim 4 ash mouthful support platform, it is characterized in that: described pair of plate connects fastening anti-slip device and comprise upper cover plate and lower cover, wherein, upper cover plate is arranged at upper surface and the external margin of described two crossbeams, lower cover is arranged at soffit and the external margin of described two crossbeams, this two cover plate connects fastening by fastener, thereby described two unit bearing components are connected fastening.
6. boiler maintenance according to claim 5 ash mouthful support platform, it is characterized in that: the two ends of described many covers unit bearing component arrange respectively many plates pull bar and connect anti-skidding fastener pressing plate, described each many plates pull bar connects on anti-skidding fastener pressing plate every a segment distance place, connect one end that the pull bar of plate more than connects anti-skidding fastening pull rod, the other end that this many plates pull bar connects anti-skidding fastening pull rod is movably connected on same bottom fixedly on anchorage bar, and the described bottom fixedly two ends of anchorage bar is stuck in respectively the lower end of the both sides water cooling tube of the apparatus of thermo-electric power boiler that needs maintenance.
7. boiler maintenance ash mouthful support platform according to claim 6, is characterized in that: described many plates pull bar connects anti-skidding fastening pull rod and comprises the fastening length screw rod of two adjustings and be connected in the described two fastening length adjusters of adjusting that regulate between fastening length screw rod.
8. according to the boiler maintenance ash mouthful support platform described in claim 6 or 7, it is characterized in that: the described bottom fixedly two ends of anchorage bar is provided with anti-skidding insulation rubber cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515536.8U CN203499228U (en) | 2013-08-22 | 2013-08-22 | Ash opening supporting platform for overhauling boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515536.8U CN203499228U (en) | 2013-08-22 | 2013-08-22 | Ash opening supporting platform for overhauling boiler |
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| Publication Number | Publication Date |
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| CN203499228U true CN203499228U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320515536.8U Withdrawn - After Issue CN203499228U (en) | 2013-08-22 | 2013-08-22 | Ash opening supporting platform for overhauling boiler |
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| CN (1) | CN203499228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410305A (en) * | 2013-08-22 | 2013-11-27 | 璩晶天 | Boiler maintenance gray supporting platform and building method thereof |
-
2013
- 2013-08-22 CN CN201320515536.8U patent/CN203499228U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410305A (en) * | 2013-08-22 | 2013-11-27 | 璩晶天 | Boiler maintenance gray supporting platform and building method thereof |
| CN103410305B (en) * | 2013-08-22 | 2016-04-27 | 珠海市蓝海工业技术有限公司 | Boiler maintenance ash mouth support platform and building method thereof |
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| AV01 | Patent right actively abandoned |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |