CN110726154A - Induced draft fan connecting structure convenient for alignment assembly and used for power plant boiler and using method thereof - Google Patents
Induced draft fan connecting structure convenient for alignment assembly and used for power plant boiler and using method thereof Download PDFInfo
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- CN110726154A CN110726154A CN201910919529.6A CN201910919529A CN110726154A CN 110726154 A CN110726154 A CN 110726154A CN 201910919529 A CN201910919529 A CN 201910919529A CN 110726154 A CN110726154 A CN 110726154A
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- connecting plate
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a draught fan connecting structure for a power plant boiler and convenient to align and assemble and a use method thereof, wherein the draught fan connecting structure comprises a draught fan main body and a pipeline main body, a supporting plate is arranged at the top of the draught fan main body, a through hole and a first connecting hole are respectively formed in the supporting plate, the through hole is formed in the middle of the supporting plate, an accommodating groove is formed in the supporting plate, a connecting spring is arranged in the accommodating groove, the top end of the connecting spring is fixedly connected with the bottom surface of a limiting plate, the limiting plate is positioned in the accommodating groove, a limiting frame is fixedly arranged on the top surface of the limiting plate, and the limiting frame penetrates through the top; the bottom fixed mounting of pipeline main part has the connecting plate, and has seted up the second connecting hole on the connecting plate to the connecting plate is installed in the top of backup pad. According to the invention, the pipeline main body is clamped and connected with the limiting frame through the connecting plate to perform position positioning work, so that the pipeline main body and the connecting plate can be effectively prevented from being misplaced, and the connecting plate and the supporting plate can be conveniently fixed by bolts.
Description
Technical Field
The invention relates to the technical field of power plant boilers, in particular to a draught fan connecting structure for a power plant boiler and a use method thereof, wherein the draught fan connecting structure is convenient to align and assemble.
Background
The power plant boiler is energy conversion equipment for a power plant, and in the process of assembling the boiler, various devices are required to be used for matching, wherein an induced draft fan is included, and the induced draft fan and a pipeline are assembled for connection.
Common draught fan connection structure for power plant boiler in the existing market is carrying out the in-process of assembling draught fan and connecting tube, is simply laminating connecting tube and draught fan, and is follow-up to be fixed through the bolt, and the through-hole when leading to the connecting tube is difficult for aliging with the through-hole on the draught fan, can't carry out positioning work to the connecting tube, to above-mentioned problem, carries out the innovative design on original draught fan connection structure for power plant boiler's basis.
Disclosure of Invention
The invention aims to provide a draught fan connecting structure for a power plant boiler and a use method thereof, which are convenient to align and assemble, and solve the problems that in the existing draught fan connecting structure for the power plant boiler, which is provided in the background art, in the process of assembling a draught fan and a connecting pipeline, the connecting pipeline is simply attached to the draught fan and is subsequently fixed through bolts, so that a through hole in the connecting pipeline is not easily aligned with a through hole in the draught fan, and the connecting pipeline cannot be positioned.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a draught fan connection structure for power plant boiler convenient to equipment of counterpointing, includes draught fan main part and pipeline main part, its characterized in that: the top of the draught fan main body is provided with a supporting plate, the supporting plate is respectively provided with a through hole and a first connecting hole, the through hole is formed in the middle of the supporting plate, an accommodating groove is formed in the supporting plate, a connecting spring is arranged in the accommodating groove, the top end of the connecting spring is fixedly connected with the bottom surface of a limiting plate, the limiting plate is located in the accommodating groove, the top surface of the limiting plate is fixedly provided with a limiting frame, and the limiting frame penetrates through the top surface of the supporting plate; the bottom fixed mounting of pipeline main part has the connecting plate, and has seted up the second connecting hole on the connecting plate to the connecting plate is installed in the top of backup pad.
Preferably, the connection mode of backup pad and draught fan main part is welded connection, and the length and the width of backup pad are greater than the length and the width of connecting plate.
Preferably, the first connecting holes are distributed on the support plate at equal intervals, the diameter of the first connecting holes is equal to that of the second connecting holes, and the first connecting holes and the second connecting holes are correspondingly formed.
Preferably, the limiting plate forms a telescopic structure with the supporting plate through the accommodating groove and the connecting spring, and the maximum width of the limiting plate is greater than that of the limiting frame.
Preferably, limit frame and limiting plate are integrated structure, and limit frame and backup pad constitution sliding construction to the connected mode of limit frame and connecting plate is the block and is connected.
The use method of the draught fan connecting structure for the power plant boiler convenient for alignment assembly is characterized by comprising the following steps of:
firstly, moving a main body of the draught fan to a proper position for placing, then moving a connecting plate at the bottom of a main body of the pipeline to the top surface of a supporting plate for attaching connection, when the connecting plate is contacted with a limiting frame in the descending process, the limiting frame slides downwards under pressure, so that the limiting frame slides and contracts on the supporting plate, the limiting frame pushes a limiting plate to slide in a containing groove, meanwhile, the limiting plate pushes a connecting spring to contract, and then the limiting frame is contained in the supporting plate, so that the connecting plate and the supporting plate are attached and connected;
then remove pipeline main part and connecting plate, after the connecting plate aligns with spacing frame, spacing frame promotes the limiting plate through coupling spring and resets, makes spacing frame and connecting plate carry out the block and is connected to fix a position the connecting plate, the second connecting hole on the connecting plate aligns each other with first connecting hole after that, thereby makes things convenient for subsequent bolt fastening work, and the through-hole in the backup pad aligns each other with pipeline main part inner channel simultaneously.
Compared with the prior art, the invention has the following advantages and effects:
1. the pipeline main body is connected with the limiting frame in a clamping manner through the connecting plate to perform position positioning work, so that the pipeline main body and the connecting plate are effectively prevented from being dislocated, and bolt fixing work is performed after a second connecting hole in the connecting plate is aligned with a first connecting hole in the supporting plate conveniently;
2. when the connecting plate is not aligned with the limiting frame, the connecting plate can push the limiting frame to slide into the supporting plate, so that the connecting plate and the supporting plate can be conveniently attached and connected, and the connecting work of the connecting plate and the supporting plate cannot be influenced;
3. spacing frame can upwards slide through the thrust of connecting spring to the limiting plate, and the connecting plate of being convenient for removes and aligns the back with spacing frame, and spacing frame automatic roll-off carries out the block and connects, and the convenience is to the location of connecting plate.
Drawings
Fig. 1 is a schematic overall front view structure of the embodiment of the present invention.
Fig. 2 is a schematic front sectional view of a support plate and a connecting plate according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a limiting frame according to an embodiment of the invention.
Fig. 4 is a schematic perspective view of a limiting frame and a limiting plate according to an embodiment of the present invention.
In the figure: draught fan main part 1, backup pad 2, through-hole 3, first connecting hole 4, accomodate groove 5, connecting spring 6, limiting plate 7, spacing frame 8, connecting plate 9, second connecting hole 10, pipeline main part 11.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1-4, the induced draft fan connection structure for a power plant boiler convenient for alignment assembly in the embodiment includes an induced draft fan main body 1 and a pipeline main body 11, a support plate 2 is disposed at the top of the right end of the induced draft fan main body 1, a through hole 3 and a first connection hole 4 are respectively disposed on the support plate 2, the through hole 3 is disposed in the middle of the support plate 2, an accommodating groove 5 is disposed inside the support plate 2, a connection spring 6 is mounted inside the accommodating groove 5, the top end of the connection spring 6 is fixedly connected with the bottom surface of a limit plate 7, the limit plate 7 is located inside the accommodating groove 5, a limit frame 8 is fixedly mounted on the top surface of the limit plate 7, and the limit frame 8 penetrates through the top surface of; the bottom end of the pipeline main body 11 is fixedly provided with a connecting plate 9, a second connecting hole 10 is formed in the connecting plate 9, and the connecting plate 9 is arranged above the supporting plate 2.
The connected mode of backup pad 2 and draught fan main part 1 is welded connection, and the length and the width of backup pad 2 are greater than the length and the width of connecting plate 9, and the connecting plate 9 of being convenient for is laminated with backup pad 2 and is connected, and the removal of position is carried out to connecting plate 9 in backup pad 2, makes things convenient for counterpoint work of connecting plate 9 and spacing frame 8.
First connecting hole 4 is equidistant distribution in backup pad 2, and the diameter of first connecting hole 4 equals the diameter of second connecting hole 10 to first connecting hole 4 corresponds with second connecting hole 10 and sets up, is favorable to connecting plate 9 after the work of going on fixing a position, and second connecting hole 10 on the connecting plate 9 aligns each other with first connecting hole 4, thereby makes things convenient for follow-up staff to carry out bolt fastening's work.
Limiting plate 7 constitutes extending structure through accomodating groove 5 and connecting spring 6 and backup pad 2, and the maximum width of limiting plate 7 is greater than the maximum width of spacing frame 8, is favorable to connecting spring 6 to promote limiting plate 7 through the elasticity of self and upwards slides to can make limiting plate 7 promote spacing frame 8 and reset, limiting plate 7 can control the maximum slip distance of spacing frame 8 simultaneously.
The using method comprises the following steps:
firstly, a draught fan main body 1 is moved to a proper position to be placed, then a connecting plate 9 at the bottom of a pipeline main body 11 is moved to the top surface of a supporting plate 2 to be attached and connected, when the connecting plate 9 is contacted with a limiting frame 8 in the descending process, the limiting frame 8 slides downwards under pressure, so that the limiting frame 8 slides and contracts on the supporting plate 2, the limiting frame 8 pushes a limiting plate 7 to slide in a containing groove 5, meanwhile, the limiting plate 7 pushes a connecting spring 6 to contract, then, the limiting frame 8 is contained in the supporting plate 2, and the connecting plate 9 is attached and connected with the supporting plate 2;
then remove pipeline main part 11 and connecting plate 9, after connecting plate 9 aligns with spacing frame 8, spacing frame 8 promotes through coupling spring 6 to limiting plate 7 and resets, makes spacing frame 8 carry out the block with connecting plate 9 and is connected to fix a position connecting plate 9, second connecting hole 10 on the connecting plate 9 aligns each other with first connecting hole 4 after that, thereby makes things convenient for subsequent bolt fastening work, and through-hole 3 in the backup pad 2 aligns each other with 11 inner passage of pipeline main part simultaneously.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and modifications made by those skilled in the art without departing from the spirit and scope of the present invention are also within the scope of the present invention.
Claims (6)
1. The utility model provides a draught fan connection structure for power plant boiler convenient to equipment of counterpointing, includes draught fan main part (1) and pipeline main part (11), its characterized in that: the draught fan is characterized in that a supporting plate (2) is arranged at the top of the draught fan main body (1), a through hole (3) and a first connecting hole (4) are formed in the supporting plate (2) respectively, the through hole (3) is formed in the middle of the supporting plate (2), an accommodating groove (5) is formed in the supporting plate (2), a connecting spring (6) is installed in the accommodating groove (5), the top end of the connecting spring (6) is fixedly connected with the bottom surface of a limiting plate (7), the limiting plate (7) is located in the accommodating groove (5), a limiting frame (8) is fixedly installed on the top surface of the limiting plate (7), and the limiting frame (8) penetrates through the top surface of the supporting plate (2); the bottom end of the pipeline main body (11) is fixedly provided with a connecting plate (9), a second connecting hole (10) is formed in the connecting plate (9), and the connecting plate (9) is arranged above the supporting plate (2).
2. The connection structure of the induced draft fan for the power plant boiler convenient for alignment assembly according to claim 1, wherein: the connection mode of backup pad (2) and draught fan main part (1) is welded connection, and the length and the width of backup pad (2) are greater than the length and the width of connecting plate (9).
3. The connection structure of the induced draft fan for the power plant boiler convenient for alignment assembly according to claim 1, wherein: first connecting hole (4) are equidistantly distributed on support plate (2), and the diameter of first connecting hole (4) equals the diameter of second connecting hole (10), and first connecting hole (4) is seted up with second connecting hole (10) correspondence.
4. The connection structure of the induced draft fan for the power plant boiler convenient for alignment assembly according to claim 1, wherein: the limiting plate (7) and the supporting plate (2) form a telescopic structure through the accommodating groove (5) and the connecting spring (6), and the maximum width of the limiting plate (7) is larger than that of the limiting frame (8).
5. The connection structure of the induced draft fan for the power plant boiler convenient for alignment assembly according to claim 1, wherein: spacing frame (8) and limiting plate (7) are integrated structure, and just spacing frame (8) and backup pad (2) constitute sliding construction to the connected mode of spacing frame (8) and connecting plate (9) is the block and is connected.
6. The use method of the induced draft fan connecting structure for the power plant boiler convenient for alignment assembly according to any one of claims 1 to 5, is characterized in that:
firstly, a draught fan main body (1) is moved to a proper position to be placed, then a connecting plate (9) at the bottom of a pipeline main body (11) is moved to the top surface of a supporting plate (2) to be attached and connected, when the connecting plate (9) is contacted with a limiting frame (8) in the descending process, the limiting frame (8) slides downwards under pressure, the limiting frame (8) slides and contracts on the supporting plate (2), so that the limiting frame (8) pushes a limiting plate (7) to slide in a containing groove (5), meanwhile, the limiting plate (7) pushes a connecting spring (6) to contract, then the limiting frame (8) is contained in the supporting plate (2), and the connecting plate (9) is attached and connected with the supporting plate (2);
then remove pipeline main part (11) and connecting plate (9), after connecting plate (9) align with spacing frame (8), spacing frame (8) promote limiting plate (7) through coupling spring (6) and reset, make spacing frame (8) carry out the block with connecting plate (9) and be connected, thereby fix a position connecting plate (9), second connecting hole (10) on connecting plate (9) aligns each other with first connecting hole (4) after that, thereby make things convenient for subsequent bolt fastening work, through-hole (3) on backup pad (2) simultaneously and pipeline main part (11) inner passage align each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919529.6A CN110726154B (en) | 2019-09-26 | 2019-09-26 | Draught fan connecting structure for power plant boiler and convenient to align and assemble and use method of draught fan connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919529.6A CN110726154B (en) | 2019-09-26 | 2019-09-26 | Draught fan connecting structure for power plant boiler and convenient to align and assemble and use method of draught fan connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN110726154A true CN110726154A (en) | 2020-01-24 |
| CN110726154B CN110726154B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910919529.6A Active CN110726154B (en) | 2019-09-26 | 2019-09-26 | Draught fan connecting structure for power plant boiler and convenient to align and assemble and use method of draught fan connecting structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510716A1 (en) * | 1981-08-03 | 1983-02-04 | Heraeus Schott Quarzschmelze | TUBULAR BODY IN SILICA GLASS OR THE LIKE MATERIAL HAVING A SEPARATE FLANGE, PARTICULARLY FOR LARGE DIAMETER FITTINGS |
| CN108869341A (en) * | 2018-07-02 | 2018-11-23 | 无锡南理工科技发展有限公司 | Conveying device for chemical exhaust processing environmental protection equipment |
| CN208311720U (en) * | 2018-05-31 | 2019-01-01 | 雄县和润塑胶制品有限公司 | A kind of water pipeline for hydraulic engineering |
| CN208735067U (en) * | 2018-08-15 | 2019-04-12 | 大连东兴锻造有限公司 | A kind of dedicated novel flange of pipeline |
| CN208951499U (en) * | 2018-09-28 | 2019-06-07 | 乔同伟 | A kind of water conservancy and hydropower assembling pipe joint |
| CN209181297U (en) * | 2018-09-17 | 2019-07-30 | 泰州泰慧达科技信息咨询中心 | A kind of mounting rack that convenience replaces photovoltaic |
| CN211290137U (en) * | 2019-09-26 | 2020-08-18 | 华电电力科学研究院有限公司 | Draught fan connecting structure convenient for alignment and assembly for power plant boiler |
-
2019
- 2019-09-26 CN CN201910919529.6A patent/CN110726154B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510716A1 (en) * | 1981-08-03 | 1983-02-04 | Heraeus Schott Quarzschmelze | TUBULAR BODY IN SILICA GLASS OR THE LIKE MATERIAL HAVING A SEPARATE FLANGE, PARTICULARLY FOR LARGE DIAMETER FITTINGS |
| CN208311720U (en) * | 2018-05-31 | 2019-01-01 | 雄县和润塑胶制品有限公司 | A kind of water pipeline for hydraulic engineering |
| CN108869341A (en) * | 2018-07-02 | 2018-11-23 | 无锡南理工科技发展有限公司 | Conveying device for chemical exhaust processing environmental protection equipment |
| CN208735067U (en) * | 2018-08-15 | 2019-04-12 | 大连东兴锻造有限公司 | A kind of dedicated novel flange of pipeline |
| CN209181297U (en) * | 2018-09-17 | 2019-07-30 | 泰州泰慧达科技信息咨询中心 | A kind of mounting rack that convenience replaces photovoltaic |
| CN208951499U (en) * | 2018-09-28 | 2019-06-07 | 乔同伟 | A kind of water conservancy and hydropower assembling pipe joint |
| CN211290137U (en) * | 2019-09-26 | 2020-08-18 | 华电电力科学研究院有限公司 | Draught fan connecting structure convenient for alignment and assembly for power plant boiler |
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| CN110726154B (en) | 2024-04-26 |
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