CN115262937A - Supporting device for erecting maintenance jump plate in boiler folded flame corner area - Google Patents

Supporting device for erecting maintenance jump plate in boiler folded flame corner area Download PDF

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Publication number
CN115262937A
CN115262937A CN202210828939.1A CN202210828939A CN115262937A CN 115262937 A CN115262937 A CN 115262937A CN 202210828939 A CN202210828939 A CN 202210828939A CN 115262937 A CN115262937 A CN 115262937A
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CN
China
Prior art keywords
plate
boiler
board
flame
fixed transverse
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.)
Withdrawn
Application number
CN202210828939.1A
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Chinese (zh)
Inventor
代青林
常永利
张君樵
樊伟
谭博
张海军
辛立权
郭喜奎
黄玉峰
陈金平
刘世增
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.)
Huaneng Yingkou Xianrendao Thermal Power Co ltd
Original Assignee
Huaneng Yingkou Xianrendao Thermal Power 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 Huaneng Yingkou Xianrendao Thermal Power Co ltd filed Critical Huaneng Yingkou Xianrendao Thermal Power Co ltd
Priority to CN202210828939.1A priority Critical patent/CN115262937A/en
Publication of CN115262937A publication Critical patent/CN115262937A/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/04Means for fastening, supporting, or bracing scaffolds on or against building constructions

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

The invention discloses a supporting device for erecting an overhaul springboard in a flame folding corner area of a boiler, which comprises a device body, wherein the device body comprises a fixed transverse board, an installation board is welded on one side of the fixed transverse board, the fixed transverse board and the installation board form a T shape, a supporting board and a connecting board are respectively welded on the side wall of the upper end of the installation board, the supporting board is connected with the other end of the connecting board, the installation board, the supporting board and the connecting board form a triangular frame shape, the springboard is arranged above the supporting board, a reinforcing structure is arranged inside the fixed transverse board, and a plurality of groups of installation structures are arranged at the lower end of the springboard. In the process of overhauling the flame folding corner area of the boiler, the springboard supporting beam is formed by hanging the supporting device on the flame folding corner hanging pipe of the boiler, so that the springboard can be efficiently and quickly laid, the workload and labor cost caused by erecting a scaffold and the springboard are avoided, the working efficiency is improved, and the method has great popularization value.

Description

Supporting device for erecting maintenance jump plate in corner area of boiler flame
Technical Field
The invention mainly relates to the technical field of boiler flame folding angle maintenance, in particular to a supporting device for erecting a maintenance jump plate in a boiler flame folding angle area.
Background
The boiler is a "Pi" type arrangement in which the rear wall of the combustion chamber has a triangular projection extending inwardly of the chamber, called the dog-ear, which is the most common type of fire coal boilers. The flame folding angle can increase the length of the horizontal flue, provide convenience for arranging the heating surface of the superheater, improve the erosion of the flue gas to the screen type superheater, improve the heat transfer effect, ensure the uniform distribution of the flue gas along the height direction of the combustion chamber, increase the heat absorption of the upper part in front of the furnace and the front of the ceiling superheater, and reduce the direct erosion of the heated pipe wall.
Due to the structural characteristics of the flame folding angle, the flame folding angle forms a smoke vortex area, the pressure of the area is obviously lower than that of the surrounding area, so that the smoke flow speed of the area is easily reduced, the fly ash is easily separated from the smoke, meanwhile, the fly ash is easily separated and deposited in the flame folding angle area under the influence of smoke backflow, and the flame folding angle area needs to be overhauled.
In the process of abrasion-proof and explosion-proof maintenance of four pipes of a boiler each time, dust deposition inspection on a folding flame angle area and inspection on front and rear side superheaters in the folding flame angle area are the most common work. In order to facilitate the inspection of the maintainers, the maintainers firstly need to set up temporary scaffolds in the flame folding angle region, the rooting of the scaffolds is usually the heating surface tube panels on the front side and the rear side of the flame folding angle region, and the flame folding angle hanging tubes and the like, and the springboard is laid after the scaffolds are set up, so that the workload is large, the working hours are long, the bound iron wires and the tube clamps of the set-up scaffolds need to be completely removed in the scaffold removing process, the workload is large, the working efficiency is low, and the work load and the difficulty are high.
Disclosure of Invention
The invention mainly provides a supporting device for erecting an overhaul jump plate in a corner area of a boiler flame, which is used for solving the technical problem in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows: the supporting device comprises a whole device, wherein the whole device comprises a fixed transverse plate, an installation plate is welded on one side of the fixed transverse plate, the fixed transverse plate and the installation plate form a T shape, a supporting plate and a connecting plate are respectively welded on the side wall of the upper end of the installation plate, the other ends of the supporting plate and the connecting plate are connected, the installation plate, the supporting plate and the connecting plate form a triangular frame shape, and a springboard is arranged above the supporting plate; a reinforcing structure is arranged inside the fixed transverse plate and comprises driving grooves on two sides inside the fixed transverse plate, a threaded rod is rotatably mounted inside each driving groove, threaded sleeve blocks are connected to the threaded rods in a threaded mode, a moving block is connected to one side of each threaded sleeve block, a fixed clamping plate is connected to the other side of each moving block, and the fixed clamping plates are located outside the fixed transverse plate; the springboard lower extreme is equipped with multiunit mounting structure, every group mounting structure all includes the locating piece, the locating piece both sides are equipped with the spout respectively, the inside slip of spout has the slider, two the slider lower extreme all is connected with the locating lever, two the relative one side lower extreme of locating lever is equipped with fixture block and draw-in groove respectively, fixture block and draw-in groove block each other.
Preferably, the whole below of device is the angle of a folded flame region, there are a plurality of angle of a folded flame pipe above the angle of a folded flame region, just the mounting panel is located between two liang of adjacent angle of a folded flame pipe.
Preferably, the fixed transverse plate, the mounting plate, the supporting plate and the connecting plate are all made of channel steel with the width of 50mm through cutting.
Preferably, the number of the whole devices is at least two, only one springboard is arranged, and the number of the mounting structures is the same as that of the whole devices.
Preferably, two threaded rod screw thread is opposite and be connected with the transfer line between the axle center, two the interval between solid fixed splint and the mounting panel equals.
Preferably, a rotating disc is arranged on one side of the fixed transverse plate and connected with the axis of one of the threaded rods.
Preferably, two the relative one side of fixed diaphragm all is connected with anti-skidding wear pad.
Preferably, a positioning groove matched with the positioning block is formed above the supporting plate.
Preferably, the two positioning rods are L-shaped and surround the supporting plate.
Preferably, the upper ends of the opposite sides of the two positioning rods are connected with magnetic-attracting sheets.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the device replaces the traditional mode of forming an overhauling gangplank platform by erecting a scaffold in a flame folding angle area, is more efficient and convenient for the overhauling personnel to check above the erected gangplank on the premise of not reducing the construction safety of the overhauling personnel, and reduces the work burden and labor cost brought by erecting the scaffold;
secondly, the device is installed in a mode of hanging a hanging pipe at the folded flame angle of the boiler, the installation is convenient and efficient, the time for setting up the maintenance gangboard in the folded flame angle area of the boiler can be greatly shortened, and the gangboard can be quickly installed on the premise of not reducing the construction safety of maintenance personnel by adopting an installation structure, so that the working efficiency is improved;
thirdly, the device adopts a reinforced structure, and when the device is installed, the folded flame angle hanging pipes on two sides are clamped tightly through the fixed clamping plates, so that the device cannot shake when in use, is more stable, and improves the practicability and the construction safety;
fourthly, this device cost is lower, and convenient for draw materials, the preparation installation of being convenient for, coal fired power plant boiler dog-ear angle region at present all can adopt, and the suitability is extremely strong to because the regional inspection of boiler dog-ear angle is the routine work of every power plant, so this device has very big spreading value.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a perspective view of the support plate and the connecting plate of the present invention;
FIG. 3 is a perspective view of the fixed cross plate and the mounting plate of the present invention;
FIG. 4 is a schematic view of the internal structure of the fixed cross plate of the present invention;
FIG. 5 is a partial view of the lower end of the diving board of the present invention;
fig. 6 is an enlarged view of the invention at a.
Description of the drawings: 1. the whole device; 11. fixing the transverse plate; 12. mounting a plate; 13. a support plate; 131. positioning a groove; 14. a connecting plate; 2. a gangboard; 3. reinforcing the structure; 31. a drive slot; 32. a threaded rod; 33. a threaded bushing block; 34. a moving block; 35. fixing the clamping plate; 36. a transmission rod; 37. rotating the disc; 38. an anti-skid wear pad; 4. a mounting structure; 41. positioning blocks; 42. a chute; 43. a slider; 44. positioning a rod; 45. a clamping block; 46. a card slot; 47. magnetic suction sheets; 5. a flame folding corner region; 6. the folded flame angle hangs the pipe.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration, various embodiments of the invention which may be practiced in different forms and not limited to the embodiments described herein, but on the contrary, the embodiments are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of such term knowledge in the specification of the invention is for the purpose of describing particular embodiments and is not intended to be limiting of the invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-6 with great importance, a supporting device for setting up an overhaul springboard in a boiler flame folding angle region comprises a device body 1, wherein the device body 1 comprises a fixed transverse board 11, a mounting board 12 is welded on one side of the fixed transverse board 11, the fixed transverse board 11 and the mounting board 12 form a T shape, a supporting board 13 and a connecting board 14 are respectively welded on the side wall of the upper end of the mounting board 12, the other ends of the supporting board 13 and the connecting board 14 are connected, the mounting board 12, the supporting board 13 and the connecting board 14 form a tripod shape, the springboard 2 is arranged above the supporting board 13, a mode that an overhaul springboard platform is formed by setting up a flame folding angle region scaffold in the traditional sense is replaced, on the premise that the construction safety of the overhaul personnel is not reduced, the burden of the overhaul personnel can check above the set-up springboard 2 more efficiently, and the work and labor cost brought by setting up the scaffold are reduced.
Please refer to fig. 1-6, the fixed transverse plate 11, the mounting plate 12, the supporting plate 13 and the connecting plate 14 are all made of channel steel with a width of 50mm by cutting, so that the cost is reduced, the material is easy to obtain, and the manufacturing and the mounting are convenient. The whole 1 below of device is folding flame angle region 5, folding flame angle region 5 top has a plurality of folding flame angles to hang and hangs pipe 6, just mounting panel 12 is located between two liang of adjacent folding flame angles hang pipe 6, adopts and hangs the mode of establishing at boiler folding flame angle hang pipe 6 and install, and the convenient high efficiency of installation can be very big shortens the time of boiler folding flame angle region 5 and sets up maintenance springboard 2, the whole 1 quantity of device is equipped with two at least, just springboard 2 only has one, 4 quantity of mounting structure and the whole 1 quantity of device are the same.
Please refer to fig. 1-4, a reinforcing structure 3 is disposed inside the fixed transverse plate 11, the reinforcing structure 3 includes driving grooves 31 on two sides inside the fixed transverse plate 11, a threaded rod 32 is rotatably mounted inside each driving groove 31, a threaded sleeve block 33 is threadedly connected to each threaded rod 32, one side of the threaded sleeve block 33 is connected to a movable block 34, the other side of the movable block 34 is connected to a fixed clamp plate 35, the fixed clamp plate 35 is located outside the fixed transverse plate 11, the two threaded rods 32 are opposite in thread, a transmission rod 36 is connected between axes of the two threaded rods 32, the distances between the two fixed clamp plates 35 and the mounting plate 12 are equal, so as to ensure that the two fixed clamp plates 35 move in different directions, a rotating disc 37 is disposed on one side of the fixed transverse plate 11, the rotating disc 37 is connected to one of the axes of the two threaded rods 32, and an anti-slip wear pad 38 is connected to one of the two fixed transverse plates 11, so as to reduce wear of the fixed clamp plates 35 and improve service life. When carrying out the use, fixed diaphragm 11 and mounting panel 12 form "T" font and hang on two adjacent boiler dog-ear angle hang pipe 6, at this moment, mounting panel 12 is located between two adjacent boiler dog-ear angle hang pipe 6, solid fixed splint 35 is located two adjacent boiler dog-ear angle hang pipe 6's both sides respectively, rotate rolling disc 37, make two threaded rods 32 rotate, drive screw sleeve piece 33 removes, it removes to drive solid fixed splint 35 through movable block 34, make solid fixed splint 35 and the contact of boiler dog-ear angle hang pipe 6 lateral walls, consolidate the device, make the device can not rock when using, and more stable, improve practicality and construction safety nature.
Please refer to fig. 1, 2, 5 and 6 again, the lower end of the springboard 2 is provided with a plurality of sets of mounting structures 4, each set of mounting structures 4 includes a positioning block 41, a positioning slot 131 adapted to the positioning block 41 is disposed above the supporting plate 13, the positioning block 41 and the positioning slot 131 are paired, which not only improves the stability of the device, but also improves the mounting efficiency, the two sides of the positioning block 41 are respectively provided with a sliding slot 42, a sliding block 43 slides inside the sliding slot 42, the lower ends of the two sliding blocks 43 are connected with positioning rods 44, the lower ends of the two positioning rods 44 opposite to each other are respectively provided with a clamping block 45 and a clamping slot 46, the two positioning rods 44 are both L-shaped, the two positioning rods 44 surround the supporting plate 13, the upper ends of the two positioning rods 44 opposite to each other are connected with a magnetic sheet 47, and the magnetic sheet 47 and the supporting plate 13 are magnetically attracted, so as to further improve the stability. During the use, arrange springboard 2 in a plurality of backup pads 13 tops to pair locating piece 41 and constant head tank 131, then remove the locating lever 44 of both sides, make two locating levers 44 contact, fixture block 45 and the mutual block of draw-in groove 46 are fixed with the device, can install springboard 2 fast under the prerequisite that does not reduce maintainer construction safety nature, improve work efficiency.
The specific operation flow of the invention is as follows:
the worker hangs the fixed transverse plate 11 and the mounting plate 12 on two adjacent boiler folded flame angle hanging pipes 6 in a T shape, at this time, the mounting plate 12 is positioned between the two adjacent boiler folded flame angle hanging pipes 6, the fixed clamping plates 35 are respectively positioned at two sides of the two adjacent boiler folded flame angle hanging pipes 6, the rotating disc 37 is rotated to rotate the two threaded rods 32, the threaded sleeve block 33 is driven to move, the fixed clamping plate 35 is driven to move by the moving block 34, so that the fixed clamping plate 35 is contacted with the side walls of the boiler folded flame angle hanging pipes 6, the device is reinforced, the device cannot shake in use and is more stable, the practicability and the construction safety are improved, then the springboard 2 is placed above the plurality of supporting plates 13, and the positioning blocks 41 and the positioning grooves 131 are paired, then remove the locating lever 44 of both sides, make two locating levers 44 contact, fixture block 45 and the mutual block of draw-in groove 46, it is fixed with the device, can be under the prerequisite that does not reduce maintainer construction safety nature, install springboard 2 fast, and the work efficiency is improved, adopt to hang the mode of establishing at boiler dog-ear flame angle hanging pipe 6 and install, install convenient high-efficient, can be very big shorten the time that boiler dog-ear flame angle region 5 set up maintenance springboard 2, replaced the traditional meaningful mode that forms maintenance springboard platform through setting up the regional scaffold frame of dog-ear flame angle, under the prerequisite that does not reduce maintainer construction safety nature, more efficient maintainer's of being convenient for inspect in the springboard 2 top of setting up, work burden and the cost of labor that set up the scaffold frame and bring have been reduced.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (10)

1. The utility model provides a boiler is folded flame angle region and is set up strutting arrangement of maintenance jump plate, includes that the device is whole (1), its characterized in that: the device is characterized in that the whole device (1) comprises a fixed transverse plate (11), an installation plate (12) is welded on one side of the fixed transverse plate (11), the fixed transverse plate (11) and the installation plate (12) form a T shape, a support plate (13) and a connecting plate (14) are respectively welded on the side wall of the upper end of the installation plate (12), the other ends of the support plate (13) and the connecting plate (14) are connected, the installation plate (12), the support plate (13) and the connecting plate (14) form a triangular frame shape, and a springboard (2) is arranged above the support plate (13);
a reinforcing structure (3) is arranged inside the fixed transverse plate (11), the reinforcing structure (3) comprises driving grooves (31) on two sides inside the fixed transverse plate (11), a threaded rod (32) is rotatably mounted inside each driving groove (31), a threaded sleeve block (33) is in threaded connection with each threaded rod (32), a moving block (34) is connected to one side of each threaded sleeve block (33), a fixed clamping plate (35) is connected to the other side of each moving block (34), and the fixed clamping plate (35) is located outside the fixed transverse plate (11);
the lower end of the springboard (2) is provided with a plurality of groups of mounting structures (4), each group of mounting structures (4) comprises a positioning block (41), two sides of each positioning block (41) are respectively provided with a sliding groove (42), each sliding groove (42) is internally provided with a sliding block (43), the lower ends of the two sliding blocks (43) are all connected with positioning rods (44), the lower end of one side, opposite to the two positioning rods (44), is respectively provided with a clamping block (45) and a clamping groove (46), and the clamping blocks (45) and the clamping grooves (46) are clamped with each other.
2. The supporting device for the boiler furnace corner region built up with the service jump plate according to the claim 1, is characterized in that: the whole (1) below of device is regional (5) of folded flame angle, there are a plurality of folded flame angles above regional (5) of folded flame angle to hang and hang pipe (6), just mounting panel (12) are located between two liang of adjacent folded flame angles hang pipe (6).
3. The supporting device for the boiler folding flame corner region erection service jump plate according to claim 1, is characterized in that: fixed diaphragm (11), mounting panel (12), backup pad (13) and connecting plate (14) are all made by wide 50mm channel-section steel cutting.
4. The supporting device for the boiler furnace corner region built up with the service jump plate according to the claim 1, is characterized in that: the number of the whole device (1) is at least two, only one springboard (2) is provided, and the number of the mounting structures (4) is the same as that of the whole device (1).
5. The supporting device for the boiler folding flame corner region erection service jump plate according to claim 1, is characterized in that: two threaded rod (32) screw thread is opposite and be connected with transfer line (36) between the axle center, two interval between solid fixed splint (35) and mounting panel (12) equals.
6. The supporting device for the boiler furnace corner region built up with the service jump plate according to the claim 1, is characterized in that: and a rotating disc (37) is arranged on one side of the fixed transverse plate (11), and the rotating disc (37) is connected with the axis of one of the threaded rods (32).
7. The supporting device for the boiler folding flame corner region erection service jump plate according to claim 1, is characterized in that: the opposite sides of the two fixed transverse plates (11) are connected with anti-skidding wear-resistant pads (38).
8. The supporting device for the boiler folding flame corner region erection service jump plate according to claim 1, is characterized in that: and a positioning groove (131) matched with the positioning block (41) is arranged above the supporting plate (13).
9. The supporting device for the boiler folding flame corner region erection service jump plate according to claim 1, is characterized in that: the two positioning rods (44) are L-shaped, and the supporting plate (13) is surrounded by the two positioning rods (44).
10. The supporting device for the boiler folding flame corner region erection service jump plate according to claim 1, is characterized in that: the upper ends of the opposite sides of the two positioning rods (44) are connected with magnetic suction pieces (47).
CN202210828939.1A 2022-07-14 2022-07-14 Supporting device for erecting maintenance jump plate in boiler folded flame corner area Withdrawn CN115262937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210828939.1A CN115262937A (en) 2022-07-14 2022-07-14 Supporting device for erecting maintenance jump plate in boiler folded flame corner area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210828939.1A CN115262937A (en) 2022-07-14 2022-07-14 Supporting device for erecting maintenance jump plate in boiler folded flame corner area

Publications (1)

Publication Number Publication Date
CN115262937A true CN115262937A (en) 2022-11-01

Family

ID=83764659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210828939.1A Withdrawn CN115262937A (en) 2022-07-14 2022-07-14 Supporting device for erecting maintenance jump plate in boiler folded flame corner area

Country Status (1)

Country Link
CN (1) CN115262937A (en)

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Application publication date: 20221101

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