CN110726154B - Draught fan connecting structure for power plant boiler and convenient to align and assemble and use method of draught fan connecting structure - Google Patents
Draught fan connecting structure for power plant boiler and convenient to align and assemble and use method of draught fan connecting structure Download PDFInfo
- Publication number
- CN110726154B CN110726154B CN201910919529.6A CN201910919529A CN110726154B CN 110726154 B CN110726154 B CN 110726154B CN 201910919529 A CN201910919529 A CN 201910919529A CN 110726154 B CN110726154 B CN 110726154B
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- plate
- limiting
- connecting plate
- draught fan
- supporting plate
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003475 lamination Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 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
Classifications
-
- 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 a use method thereof, which are convenient for alignment and assembly, and the draught fan connecting structure comprises a draught fan main body and a pipeline main body, wherein 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, a storage groove is formed in the supporting plate, a connecting spring is arranged in the storage 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 storage groove, a limiting frame is fixedly arranged on the top surface of the limiting plate, 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. According to the invention, the pipeline main body is in position positioning work through the clamping connection of the connecting plate and the limiting frame, so that dislocation of the pipeline main body and the connecting plate can be effectively prevented, and the connecting plate and the supporting plate are 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, which is convenient to align and assemble and a use method thereof.
Background
The utility model provides a power plant boiler is an energy conversion equipment for power plant, in the in-process of assembling the boiler, needs to use multiple equipment to cooperate, including the draught fan, assembles draught fan and pipeline and carries out the connection work.
At present, the common draught fan connection structure for the power plant boiler in the market is used in the process of assembling draught fan and connecting pipeline, and is just simple laminating connecting pipeline and draught fan, and is fixed through the bolt subsequently, and the through hole when leading to connecting pipeline is difficult for aligning with the through hole on the draught fan, can't carry out positioning work to connecting pipeline, and to above-mentioned problem, innovative design is carried out on the basis of draught fan connection structure for the original power plant boiler.
Disclosure of Invention
The invention aims to provide an induced draft fan connecting structure for a power plant boiler and a use method thereof, which are convenient for alignment and assembly, and aims to solve the problems that in the prior art, the conventional induced draft fan connecting structure for the power plant boiler in the market is provided, in the process of assembling an induced draft fan and a connecting pipeline, the connecting pipeline is simply attached to the induced draft fan, and the connecting pipeline is fixed through bolts, so that through holes in the process of connecting the pipeline and through holes in the induced draft fan are not easy to align, and positioning work cannot be performed on the connecting pipeline.
The invention solves the problems by adopting the following technical scheme: draught fan connection structure for boiler of power plant convenient to counterpoint equipment, including draught fan main part and pipeline main part, its characterized in that: the top of the induced draft fan main body is provided with a supporting plate, 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, a storage groove is formed in the supporting plate, a connecting spring is installed in the storage 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 storage groove, a limiting frame is fixedly installed on the top surface of the limiting plate, 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 supporting 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 and the supporting plate form a telescopic structure through the storage groove and the connecting spring, and the maximum width of the limiting plate is larger than that of the limiting frame.
Preferably, the limiting frame and the limiting plate are of an integrated structure, the limiting frame and the supporting plate form a sliding structure, and the limiting frame is connected with the connecting plate in a clamping manner.
The application method of the draught fan connecting structure for the power plant boiler is convenient for alignment and assembly, and is characterized in that:
Firstly, moving a main body of the induced draft fan to a proper position for placement, then moving a connecting plate at the bottom of a pipeline main body to the top surface of a supporting plate for lamination connection, when the connecting plate is contacted with a limiting frame in the descending process, the limiting frame is subjected to pressure to slide downwards, so that the limiting frame slides and contracts on the supporting plate, the limiting frame pushes the limiting plate to slide in a storage groove, meanwhile, the limiting plate pushes a connecting spring to contract, and then the limiting frame is stored in the supporting plate, so that the connecting plate is in lamination connection with the supporting plate;
then remove pipeline main part and connecting plate, after the connecting plate aligns with spacing frame, the spacing frame promotes the limiting plate through connecting spring and resets, makes spacing frame and connecting plate carry out the block and is connected to fix a position the connecting plate, then the second connecting hole on the connecting plate aligns with first connecting hole each other, thereby makes things convenient for subsequent bolt fastening work, and through-hole in the backup pad aligns with pipeline main part inner channel each other 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 through the clamping of the connecting plate to position, so that dislocation of the pipeline main body and the connecting plate is effectively prevented, and the second connecting hole on the connecting plate is aligned with the first connecting hole on the supporting plate to be subjected to bolt fixing;
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 are convenient to be attached and connected, and the connecting work of the connecting plate and the supporting plate is not affected;
3. the limiting frame can slide upwards through the thrust of connecting spring to the limiting plate, and the connecting plate of being convenient for moves to and aligns the back with the limiting frame, and the automatic roll-off of limiting frame carries out the block and connects, conveniently fixes a position the connecting plate.
Drawings
Fig. 1 is a schematic overall elevation view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional elevation view of a support plate and a connection 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 invention.
In the figure: the draught fan comprises a draught fan body 1, a supporting plate 2, a through hole 3, a first connecting hole 4, a storage groove 5, a connecting spring 6, a limiting plate 7, a limiting frame 8, a connecting plate 9, a second connecting hole 10 and a pipeline body 11.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Referring to fig. 1-4, in the embodiment, an induced draft fan connection structure for a power plant boiler convenient for alignment and assembly comprises an induced draft fan main body 1 and a pipeline main body 11, wherein a support plate 2 is arranged 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 formed in the support plate 2, the through hole 3 is formed in the middle of the support plate 2, a storage groove 5 is formed in the support plate 2, a connecting spring 6 is installed in the storage 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 positioned in the storage 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 support plate 2; the bottom end of the pipe 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 connecting plate 9 and backup pad 2 of being convenient for laminate and be connected, and the movement of position is carried out in backup pad 2 to connecting plate 9, makes things convenient for the counterpoint work of connecting plate 9 and spacing frame 8.
The first connecting holes 4 are distributed on the supporting plate 2 at equal intervals, the diameter of the first connecting holes 4 is equal to that of the second connecting holes 10, the first connecting holes 4 and the second connecting holes 10 are correspondingly formed, and after the connecting plate 9 is positioned, the second connecting holes 10 and the first connecting holes 4 on the connecting plate 9 are aligned with each other, so that the subsequent work of bolt fixing by workers is facilitated.
Limiting plate 7 constitutes extending structure through accomodating groove 5 and coupling spring 6 and backup pad 2, and limiting plate 7's maximum width is greater than limit frame 8's maximum width, is favorable to coupling spring 6 to promote limiting plate 7 through self elasticity and upwards slides to can make limiting plate 7 promote limit frame 8 and reset, limiting plate 7 can control limit frame 8's maximum sliding distance simultaneously.
Spacing frame 8 and limiting plate 7 are integrated structure, and spacing frame 8 and backup pad 2 constitute sliding structure to spacing frame 8 is connected for the block with the connected mode of connecting plate 9, is favorable to spacing frame 8 to receive the inside of pressure back sliding in backup pad 2, and the laminating of connecting plate 9 and backup pad 2 is connected of being convenient for, and spacing frame 8 can slide the outside of connecting plate 9 and carry out the block simultaneously and connect, thereby fixes a position the position of connecting plate 9, avoids follow-up connecting plate 9 to take place the phenomenon of dislocation when the equipment.
The using method comprises the following steps:
firstly, the induced draft fan main body 1 is moved to a proper position for placement, then a connecting plate 9 at the bottom of the pipeline main body 11 is moved to the top surface of the supporting plate 2 for bonding connection, when the connecting plate 9 is contacted with the limiting frame 8 in the descending process, the limiting frame 8 is subjected to pressure to slide downwards, so that the limiting frame 8 slides on the supporting plate 2 to shrink, the limiting frame 8 pushes the limiting plate 7 to slide in the storage groove 5, meanwhile, the limiting plate 7 pushes the connecting spring 6 to shrink, and then the limiting frame 8 is stored in the supporting plate 2, so that the connecting plate 9 is bonded 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 limiting plate 7 through connecting spring 6 and resets, makes spacing frame 8 and connecting plate 9 carry out the block and connect to fix a position connecting plate 9, then second connecting hole 10 on the connecting plate 9 aligns each other with first connecting hole 4, thereby convenient follow-up bolt fastening work, through-hole 3 on the backup pad 2 aligns each other with pipeline main part 11 internal passageway simultaneously.
The above is the working process of the whole device, and what is not described in detail in this specification belongs to the prior art 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 present invention is not limited to the above embodiments, and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a power plant boiler is with induced draft fan connection structure's application method convenient to counterpoint equipment, induced draft fan connection structure includes induced draft fan main part (1) and pipeline main part (11), its characterized in that: the top of draught fan main part (1) is provided with backup pad (2), and has seted up through-hole (3) and first connecting hole (4) on backup pad (2) respectively to the middle part in backup pad (2) is seted up to through-hole (3), accomodate groove (5) has been seted up to the inside of backup pad (2), and accomodate the internally mounted in groove (5) has connecting spring (6), and the top of connecting spring (6) and the bottom surface fixed connection of limiting plate (7), limiting plate (7) are located the inside of accomodating groove (5), and the top surface fixed mounting of limiting plate (7) has spacing frame (8), and spacing frame (8) pass the top surface of backup pad (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);
the first connecting holes (4) are distributed on the supporting plate (2) at equal intervals, the diameter of the first connecting holes (4) is equal to that of the second connecting holes (10), and the first connecting holes (4) and the second connecting holes (10) are correspondingly formed;
The limiting plate (7) and the supporting plate (2) form a telescopic structure through the containing 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);
Firstly, a draught fan main body (1) is moved to a proper position for placement, 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) for lamination connection, when the connecting plate (9) is contacted with a limiting frame (8) in the descending process, the limiting frame (8) is subjected to pressure to slide downwards, the limiting frame (8) slides on the supporting plate (2) for shrinkage, 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 shrink, and then the limiting frame (8) is contained in the supporting plate (2), so that the connecting plate (9) is in lamination connection with the supporting plate (2);
Then remove pipeline main part (11) and connecting plate (9), after connecting plate (9) are aligned with spacing frame (8), spacing frame (8) promotes limiting plate (7) through connecting spring (6) and resets, 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) are aligned with first connecting hole (4) each other, thereby make things convenient for subsequent bolt-up work, through-hole (3) on backup pad (2) are aligned with pipeline main part (11) internal passage each other simultaneously.
2. The method for using the draught fan connecting structure for the power plant boiler, which is convenient to align and assemble, according to claim 1, is characterized in that: 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 method for using the draught fan connecting structure for the power plant boiler, which is convenient to align and assemble, according to claim 1, is characterized in that: the limiting frame (8) and the limiting plate (7) are of an integrated structure, the limiting frame (8) and the supporting plate (2) form a sliding structure, and the limiting frame (8) and the connecting plate (9) are connected in a clamping mode.
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 |
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| CN110726154A CN110726154A (en) | 2020-01-24 |
| CN110726154B true 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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| CN110726154A (en) | 2020-01-24 |
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