CN204954202U - Blast furnace stove outer covering inner wall welded platform - Google Patents

Blast furnace stove outer covering inner wall welded platform Download PDF

Info

Publication number
CN204954202U
CN204954202U CN201520758632.4U CN201520758632U CN204954202U CN 204954202 U CN204954202 U CN 204954202U CN 201520758632 U CN201520758632 U CN 201520758632U CN 204954202 U CN204954202 U CN 204954202U
Authority
CN
China
Prior art keywords
girder
jig
slide rail
furnace shell
steels
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.)
Active
Application number
CN201520758632.4U
Other languages
Chinese (zh)
Inventor
田一堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Yiye Steel Structure Co Ltd
Original Assignee
Wuhan Yiye Steel Structure Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Yiye Steel Structure Co Ltd filed Critical Wuhan Yiye Steel Structure Co Ltd
Priority to CN201520758632.4U priority Critical patent/CN204954202U/en
Application granted granted Critical
Publication of CN204954202U publication Critical patent/CN204954202U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a blast furnace stove outer covering inner wall welded platform, including A disc -shaped's platform main part, the border of platform main part is connected with the telescoping device, and the radial flexible of platform main part can be followed to the telescoping device, the platform main part includes central drum, and it has a plurality of girders to radiate to the external symmetry along central drum circumference, and four are no less than to the girder, connect through the secondary beam between two adjacent girders, be equipped with the circular surface board on central drum upper berth, lay fan -shaped panel between adjacent two girders. The utility model discloses a welding operation can be carried out to the welding region of stove outer covering inner wall different diameters departments to telescoping device adjustment welded platform's diameter size, need not to set up the welding requirements that welded platform can satisfy whole stove outer covering inner wall again, has saved the time of setting up welded platform in a large number, has lightened intensity of labour, greatly reduced construction cost, significant in actual engineering.

Description

A kind of last furnace shell inwall jig
Technical field
The utility model relates to last furnace shell welding technology field, is specifically related to a kind of last furnace shell inwall jig.
Background technology
In the welding process of last furnace shell inwall, the welding job amount of operating personnel is comparatively large, and jig set up and operating personnel's welding is all high-altitude application, there is larger potential safety hazard; In prior art, putting up platform form is often with and must be again set up separately, also needs to remove after furnace shell inwall has welded, spended time, waste building materials, potential safety hazard is very big again, and the platform set up is simpler and cruder, workmen is inconvenient operation on platform, also dangerous.Therefore, be necessary to improve prior art.
Summary of the invention
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, provides the last furnace shell inwall jig meeting the welding requirements of whole furnace shell inwall that a kind of good reliability, stability are high.
The technical solution adopted in the utility model is: a kind of last furnace shell inwall jig, and comprise main platform body in the form of annular discs, the edge of main platform body is connected with retractor device, and retractor device can along the radial expansion of main platform body.
By such scheme, described main platform body comprises center drum, and centrally the outside symmetric radiation of cylinder circumference has some girders, and girder is no less than four, is connected between adjacent two girders by secondary beam; Center drum is equipped with round panel, between adjacent two girders, lays fan-shaped panel.
By such scheme, described retractor device comprises the slide rail be slidably connected with girder, and slide rail can slide along the length direction of girder; The part of stretching out main platform body at slide rail is equipped with ring surface plate; Described girder is installed on the positioner for slide rail of positioning slide.
By such scheme, described girder comprises two opposing channel-section steels, forms the gap communicated up and down, be provided with the contiguous block of connection two channel-section steels in the bottom in gap between two channel-section steels; The top of two channel-section steels is equipped with girder panel; Two channel-section steels are connected with girder panel by contiguous block.
By such scheme, each installation of difference one group of wheel shaft on two channel-section steels of girder, two groups of wheel shafts are relatively arranged in the gap of two channel-section steels, and described slide rail is installed between two groups of wheel shafts, can slide between two groups of wheel shafts.
By such scheme, main platform body is installed on from lifting device, comprises from lifting device the hoist engine be installed on elevator support, elevator support symmetrically and evenly interval is arranged on girder.
By such scheme, the inner of described slide rail is installed on block, and the outer end of slide rail is provided with pin.
The beneficial effects of the utility model are:
1, the main platform body be made up of center drum, girder and secondary beam, its structure defines stable space general frame, the version of this integration greatly strengthen the strength and stability of jig, fully ensure that the safety of operator, substantially increase stability and the reliability of jig;
2, by the diameter of retractor device adjustment jig, welding operation can be carried out to the welding region at furnace shell inwall different-diameter place, the welding requirements of whole furnace shell inwall can be met without the need to again setting up jig again, save the time of setting up jig in a large number, alleviate labour intensity, greatly reduce construction cost, significant in Practical Project;
3, two groups of spaced setting from lifting device, achieves the flexible switching of jig in different welding region, substantially increases welding efficiency, ensure that welding quality;
4, the utility model pair structure its inwall similar with last furnace shell weld all applicable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment in the utility model.
Fig. 2 is the structural representation of main platform body and retractor device in the present embodiment.
Fig. 3 is B place enlarged drawing in Fig. 2.
Fig. 4 is the connection diagram of the present embodiment middle girder and slide rail.
Fig. 5 is the connection diagram of slide rail and block in the present embodiment.
Fig. 6 is positioner for slide rail schematic diagram in the present embodiment.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is the connection diagram of two annular panels in the present embodiment.
Fig. 9 is the top view of Fig. 8.
Figure 10 is last furnace shell inwall welding process schematic diagram in the present embodiment.
Figure 11 is A place enlarged drawing in Figure 10.
Wherein: 1, round panel; 2, fan-shaped panel; 3, girder panel; 4, annular panel; 5, positioner for slide rail; 5-1, bolt; 5-2, holder; 5-3, pressing plate; 5-4, rubber blanket; 6, contiguous block; 7, slide rail; 8, secondary beam; 9, girder; 9-1, channel-section steel (9-1a, 9-1b); 9-2, girder connecting plate; 10, center drum; 11, wheel shaft; 12, block; 13, hoist engine; 14, elevator support; 15, chain block; 16, steel wire rope; 17, hanger; 18, furnace shell; 19, pin; 20, annular connecting plate; 21, fixed pulley; 22, snap ring.
Detailed description of the invention
In order to understand the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is further described.
A kind of last furnace shell inwall jig as Figure 1-3, comprise main platform body in the form of annular discs and the retractor device being connected to main platform body outer, retractor device can along the radial expansion of main platform body; Main platform body is installed on from lifting device; Main platform body comprises center drum 10, center drum 10 is equipped with round panel 1; Centrally the outside symmetric radiation of cylinder 10 circumference has some girders 9, and girder 9 is no less than four, and the present embodiment adopts eight girders 9, and girder 9 one end is welded with girder connecting plate 9-2, and girder connecting plate 9-2 is connected with center drum 10 by bolt; Connected by secondary beam 8 between adjacent two girders 9 and support (secondary beam 8 is made up of channel-section steel, and at the two ends of secondary beam 8 welding secondary beam connecting plate, secondary beam connecting plate is connected with girder 9 respectively by bolt); Center drum 10, girder 9 and secondary beam 8 constitute stable space general frame, and the version of this integration greatly strengthen the intensity of jig; Form sector region between adjacent two girders 9, in sector region, lay fan-shaped panel 2, form operation planar; Secondary beam 8 is had to support in the below of fan-shaped panel 2; All with bolts between girder 9 and center drum 10, between girder 9 and secondary beam 8, between center drum 10 and round panel 1, between girder 9 and fan-shaped panel 2, jig is disassembled into after having welded smallclothes hanging out last furnace shell 18.
In the present embodiment, eight girders 9 that center drum 10 circumference connects to external symmetry, every root girder 9 comprises two opposing channel-section steel 9-1 (as shown in Figure 4, comprise 9-1a and 9-1b), form the gap communicated up and down between these two channel-section steels 9-1a, 9-1b, be provided with the contiguous block 6 of connection two channel-section steels 9-1a, 9-1b in the bottom in gap; The top of two channel-section steels 9-1a, 9-1b is equipped with girder panel 3(bolt and connects); Two channel-section steels 9-1a, 9-1b are connected with girder panel 7 by contiguous block 6, as shown in Figure 4; Described retractor device comprises slide rail 7 and annular panel 4, in gap between these two channel-section steels 9-1a, 9-1b, two groups of wheel shaft 11(are installed respectively and support, guiding, slip effect are play to slide rail 7), be arranged with slide rail 7(slide rail 7 between two groups of wheel shafts 11 to be made up of I-steel), slide rail 7 can slide along on the length direction of girder 9, extended or retracted girder 9; After eight one slide rails 7 all stretch out girder 9 one segment distance (to adapt to the different welding regions of different last furnace shells 18), on the slide rail 7 stretching out girder 9, lay ring surface plate 4(again can adopt multiple annular panel 4 to connect, connected by annular connecting plate 20 between adjacent two annular panels 4, as shown in Figure 8), annular panel 4, fan-shaped panel 2 and round panel 1 constitute operation planar jointly.
From the hoist engine 13 that lifting device comprises elevator support 14 and is installed on elevator support 14, elevator support 14 symmetrically and evenly interval is arranged on girder 9; The quantity of hoist engine 13 is preferably even number, is divided into two groups in the present embodiment from lifting device, and often group comprises four spaced hoist engines 13; The one ends wound of the steel wire rope 16 of hoist engine 13 is on hoist engine 13, be fixed on elevator support 14 after the other end of steel wire rope 16 is connected with the fixed pulley 21 hanging over (hanger 17 of a certain welding region of furnace shell 18 outer wall) on hanger 17, hoist engine 13 carrys out the lifting of implementation platform main body by the length changing steel wire rope 16.
When girder 9 and retractor device are installed, first by contiguous block 6, two of girder 9 channel-section steels 9-1a, 9-1b are connected and fixed, two channel-section steels 9-1a, 9-1b weld wheel shaft 11, then between two groups of wheel shafts 11, slide rail 7 is installed; In order to anti-anti-slip track 7 skids off girder 9, the inner (being positioned at one end of girder 9) of slide rail 7 arranges block 12, installs corresponding baffle ring in the outer end of girder 9; In order to anti-anti-slip track 7 slips into girder 9 inside, the outer end (stretching out one end of girder 9) of slide rail 7 arranges pin 19; In order to a certain position making slide rail 7 be fixed on girder 9, girder 9 is installed positioner for slide rail 5, as shown in Figure 6 and Figure 7, positioner for slide rail 5 comprises the holder 5-2 raised up, holder 5-2 offers screwed hole, screwed hole matches with bolt 5-1, the lower end of bolt 5-1 is fixedly connected with pressing plate 5-3, pressing plate 5-3 lower surface is provided with rubber blanket 5-4, the below of rubber blanket 5-4 is slide rail 7, turn bolt 5-1 is with dynamic pressure plate 5-3 downward, and the rubber blanket 5-4 under pressing plate 5-3 compresses slide rail 7, and now slide rail 7 stops sliding.
A kind of last furnace shell inwall jig erection method, the method comprises following step:
Step one, according to the welding requirements of last furnace shell 18 inwall and the size of furnace shell 18 internal diameter, design and make the jig of suitable dimension, because last furnace shell 18 is tubular structure, for convenience of moving up and down of jig, jig global design is disc, and the adjustable minimum diameter of jig is the minimum diameter of furnace shell 18; Jig comprises main platform body, and the edge of main platform body is connected with retractor device, and retractor device can along the radial expansion of main platform body; Described main platform body comprises center drum 10, and centrally the outside symmetric radiation of cylinder 10 circumference has eight girders 9, is connected between adjacent two girders 9 by secondary beam 8; Center drum 10 is equipped with round panel 1, between adjacent two girders 9, lays fan-shaped panel 2; Described girder 9 and center drum 10, girder 9 and secondary beam 8, center drum 10 and round panel 1, all with bolts between girder 9 and fan-shaped panel 2.In the present embodiment, jig assembling process is:
1) select ten six roots of sensation channel-section steels, every two are one group and make a girder 9, two channel-section steels 9-1a, 9-1b and connected by contiguous block 6, and weld two groups of wheel shafts 11 on these two channel-section steels 9-1a, 9-1b;
2) pin 19, block 12 are arranged on slide rail 7, between the two groups of wheel shafts 11 slide rail 7 being arranged on girder 9, then lay girder panel 3 on two channel-section steels 9-1a, 9-1b;
3) elevator support 14 is installed: the elevator support 14 installing thickening on the same position of each girder panel 3, with wire rope hoist 13;
4) girder 9 and center drum 10 is connected: at one end of girder 9 welding girder connecting plate 9-2, girder connecting plate 9-2 and center drum 10 are bolted;
5) connect secondary beam 8 and girder 9: the two ends welding secondary beam connecting plate of secondary beam 8, secondary beam connecting plate is connected with adjacent two girders 9 by bolt;
6) fan-shaped panel 2 is laid: form fan-shaped region between two adjacent girders 9, in this region, lay fan-shaped panel 2; The below of fan-shaped panel 2 has secondary beam 8 to support;
7) on girder 9, positioner for slide rail 5 is installed;
8) eight hoist engines 13 are arranged on eight elevator supports 14 respectively, wherein the hoist engine 13 at every four intervals is one group, can the weight of the whole jig of alone bear, one group of Energy control start-stop is shared, to ensure that jig monolithic stability and jig keep level with the hoist engine 13 in group; In the corresponding height of each welding region of its inwall of last furnace shell 18, circumferential uniform welding eight hangers 17, corresponding with eight hoist engines 13 respectively.
Step 2, jig hung in the corresponding position of certain to-be-welded region in furnace shell 18, make each hoist engine 13 corresponding with the hanger 17 in this welding region.
Step 3, the steel wire rope 16 on fixed pulley 21, hoist engine 13 and snap ring 22 is utilized to be connected by hanger 17 corresponding with it for four hoist engines 13 with group.
Step 4, start four hoist engines 13 with group, upwards promote jig, when jig is promoted to the corresponding height of this welding region, stops hoist engine 13, start weld job.
Step 5, after this welding region has welded, connect another group hoist engine 13 hanger 17 corresponding with it and open this group hoist engine 13, now go up one group of hoist engine 13 not stress, upper one group of elevator unit 13 is dismantled from hanger group 17, prepare the welding carrying out next welding region: if the diameter of the jig position of next welding region is less than the diameter of the jig position of a welding region, then first the inwall of the annular panel 4 that jig exceeds by furnace shell 18 is removed to the center of jig, point four groups of symmetry operations centered by jig again, being sling by remaining annular panel 4 by steel wire rope and chain block 15, (one end of steel wire rope is fixed on annular panel 4, the other end passes hanger 17 after chain block 15, annular panel 4 can be mentioned again by manually pulling, lifting height facilitate slide rail 7 move just can), to center shifting sledge 7 until do not affect the lifting of jig, finally unclamp chain block 15, annular panel 4 be laid on and stretch out on the slide rail 7 of girder 9, if the diameter of the jig position of next welding region is greater than the diameter of the jig position of a welding region, the position that the jig then first by hoist engine 13, jig being risen to next welding region should be located, point four groups of symmetry operations centered by jig again, by chain block 15 sling annular panel 4(sling height that jig has spread facilitate slide rail 7 move just can), outside shifting sledge 7 is near the inwall of furnace shell 18, unclamp chain block 15 again, ring surface plate 4 laid by the slide rail 7 stretching out girder 9, and utilize annular connecting plate 20 to be connected and fixed.
Step 6, repetition step 4 and step 5, after treating that each region of furnace shell 18 inwall is all welded, remove jig, be divided into each monomer and lift out furnace shell 18.
These are only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.

Claims (7)

1. a last furnace shell inwall jig, is characterized in that, comprises main platform body in the form of annular discs, and the edge of main platform body is connected with retractor device, and retractor device can along the radial expansion of main platform body.
2. a kind of last furnace shell inwall jig as claimed in claim 1, it is characterized in that, described main platform body comprises center drum, and centrally the outside symmetric radiation of cylinder circumference has some girders, girder is no less than four, is connected between adjacent two girders by secondary beam; Center drum is equipped with round panel, between adjacent two girders, lays fan-shaped panel.
3. a kind of last furnace shell inwall jig as claimed in claim 2, it is characterized in that, described retractor device comprises the slide rail be slidably connected with girder, and slide rail can slide along the length direction of girder; The part of stretching out main platform body at slide rail is equipped with ring surface plate; Described girder is installed on the positioner for slide rail of positioning slide.
4. a kind of last furnace shell inwall jig as claimed in claim 3, it is characterized in that, described girder comprises two opposing channel-section steels, forms the gap communicated up and down, be provided with the contiguous block of connection two channel-section steels in the bottom in gap between two channel-section steels; The top of two channel-section steels is equipped with girder panel; Two channel-section steels are connected with girder panel by contiguous block.
5. a kind of last furnace shell inwall jig as claimed in claim 4, it is characterized in that, each installation of difference one group of wheel shaft on two channel-section steels of girder, two groups of wheel shafts are relatively arranged in the gap of two channel-section steels, described slide rail is installed between two groups of wheel shafts, can slide between two groups of wheel shafts.
6. a kind of last furnace shell inwall jig as claimed in claim 2, it is characterized in that, main platform body is installed on from lifting device, comprise from lifting device the hoist engine be installed on elevator support, elevator support symmetrically and evenly interval is arranged on girder.
7. a kind of last furnace shell inwall jig as claimed in claim 3, it is characterized in that, the inner of described slide rail is installed on block, and the outer end of slide rail is provided with pin.
CN201520758632.4U 2015-09-28 2015-09-28 Blast furnace stove outer covering inner wall welded platform Active CN204954202U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520758632.4U CN204954202U (en) 2015-09-28 2015-09-28 Blast furnace stove outer covering inner wall welded platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520758632.4U CN204954202U (en) 2015-09-28 2015-09-28 Blast furnace stove outer covering inner wall welded platform

Publications (1)

Publication Number Publication Date
CN204954202U true CN204954202U (en) 2016-01-13

Family

ID=55049299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520758632.4U Active CN204954202U (en) 2015-09-28 2015-09-28 Blast furnace stove outer covering inner wall welded platform

Country Status (1)

Country Link
CN (1) CN204954202U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105108395A (en) * 2015-09-28 2015-12-02 武汉一冶钢结构有限责任公司 Blast furnace shell inner wall welding platform and erecting method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105108395A (en) * 2015-09-28 2015-12-02 武汉一冶钢结构有限责任公司 Blast furnace shell inner wall welding platform and erecting method thereof

Similar Documents

Publication Publication Date Title
CN105108395A (en) Blast furnace shell inner wall welding platform and erecting method thereof
CN102864936B (en) Combination lifting construction method for large-scale high hollow building roof of steel structure
CN201224671Y (en) Hoisting device for reversely mounting storage tank
CN202467191U (en) Hydraulic slip form device used for construction of circular reinforced concrete chimney wall
CN107130770A (en) A kind of high-rise building air conditioner water vertical shaft Large Diameter Pipeline standpipe inversion construction method
CN104295077A (en) Annular hanging platform for mounting stove shell of hot-blast stove, and mounting and dismounting method thereof
CN204954202U (en) Blast furnace stove outer covering inner wall welded platform
CN204954201U (en) Blast furnace stove outer covering outer wall welding platform
CN109055637B (en) Hydraulic lifting process for mounting furnace shell in blast furnace overhaul
CN205276887U (en) Hot wall concrete pumping auxiliary assembly is prevented to large -scale steel form
CN110685433A (en) Chimney construction device and construction method applying hydraulic lifting and rollover technology
WO2015021693A1 (en) Method of constructing steel chimney cylinder by upside-down mounting
CN105952228A (en) Construction method for double layer storage tank with flat suspended roof as inner tank roof
CN206859698U (en) A kind of high-rise building air conditioner water vertical shaft Large Diameter Pipeline standpipe inverted construction facility
CN202139255U (en) Tooling platform for assembling converter body equipment
CN101698894A (en) High-altitude segmented in-position installation method for blast-furnace hot-air surrounding pipes
CN203729560U (en) Construction platform device for large chimneys
CN203654702U (en) Operating platform for construction of reinforced concrete chimney
CN104555833B (en) Method for hoisting steel inner cylinder of chimney
CN105108396B (en) A kind of last furnace shell outer wall jig and its erection method
CN105671245B (en) A kind of method of utilization hoist engine flip-over type installing converter
CN104481194B (en) A kind of flip-chip method of vertical type tubular equipment
CN204277366U (en) For the hydraulic lifting apparatus of vertical type tubular equipment upside-down mounting
CN203638979U (en) Device for mounting tank floor in low-temperature storage tank
CN111039219A (en) Hydraulic jacking and upside-down mounting method and device for reducer section of desulfurizing tower

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model