CN218347605U - Boiler draught fan convenient to disassemble and assemble - Google Patents
Boiler draught fan convenient to disassemble and assemble Download PDFInfo
- Publication number
- CN218347605U CN218347605U CN202222642078.6U CN202222642078U CN218347605U CN 218347605 U CN218347605 U CN 218347605U CN 202222642078 U CN202222642078 U CN 202222642078U CN 218347605 U CN218347605 U CN 218347605U
- Authority
- CN
- China
- Prior art keywords
- draught fan
- shell
- draft fan
- wall
- induced draft
- 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
Links
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 21
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000008531 maintenance mechanism Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a boiler draught fan convenient to dismouting belongs to boiler draught fan technical field, including mounting plate, draught fan assembly, conveying track shell and dismouting drive positioning mechanism, the draught fan assembly includes the draught fan casing of movable mounting at the mounting plate top surface and connects air intake and air outlet at draught fan casing outer wall respectively, conveying track shell one end is installed at the top surface of mounting plate, the other end passes through the rotating electrical machines and is connected with the inner chamber impeller of draught fan casing, the conveying track shell is kept away from the one end of rotating electrical machines and is installed servo motor, conveying track shell bottom surface welding has the supporting shoe; this boiler draught fan convenient to dismouting replaces the removal of artifical dismantlement transport draught fan casing to this installation that makes things convenient for the draught fan is dismantled, has the locate function simultaneously at the draught fan casing when removing, prevents that the draught fan casing from removing the slope, thereby the accurate installation of the draught fan casing of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the boiler draught fan, concretely relates to boiler draught fan convenient to dismouting.
Background
The boiler induced draft fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the mechanical energy input by the motor. The working principle of the boiler induced draft fan is basically the same as that of a turbine compressor, but the pressure change is not large due to low gas flow rate, and the change of the specific volume of the gas is generally not required to be considered, namely the gas is treated as incompressible fluid. The induced draft fan of the large power station boiler is generally an axial flow fan with adjustable fixed blades or adjustable movable blades, and smoke in the boiler is axially introduced into a desulfurization island or a chimney by utilizing lifting force generated by rotation of an impeller.
Boiler induced draft fans are widely used for ventilation, dust exhaust and cooling of power production, factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and air induction of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. Boiler draught fan generally carries out the transmission through the casing and the conveying track mechanism of draught fan and connects, realize the induced air effect of draught fan, the maintenance of draught fan, need carry out the split with draught fan and transport mechanism and open the maintenance, prior art is more to split draught fan casing and transport mechanism and divide the back, carry out maintenance respectively with draught fan casing transport one side through the manpower, but this kind of traditional mode is very troublesome, and when maintaining the installation that resets draught fan casing after the maintenance, because the dislocation that the transport caused, lead to the installation location inaccuracy easily.
For example, the existing chinese patent numbers are: CN 212959248U's a high-efficient energy-saving boiler draught fan, it "includes boiler draught fan main part, boiler draught fan main part includes dismouting mechanism and maintenance mechanism, dismouting mechanism sets up inside boiler draught fan main part, maintenance mechanism sets up at boiler draught fan main part one side top, the base sets up can be seen out in boiler draught fan main part bottom", and it just has the same problem to cite the patent file above just, and its draught fan main part links together with maintenance mechanism, and when needs overhauld the draught fan casing, the manpower carries draught fan casing on one side and overhauls the maintenance respectively.
Disclosure of Invention
An object of the utility model is to provide a boiler draught fan convenient to dismouting to the manpower of proposing in solving above-mentioned background art overhauls the draught fan casing transport respectively on one side and maintains, and the dislocation that the transport caused leads to the installation location inaccuracy problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler draught fan convenient to dismouting, includes:
mounting a bottom plate;
the induced draft fan assembly comprises an induced draft fan shell movably arranged on the top surface of the mounting bottom plate, and an air inlet and an air outlet which are respectively connected to the outer wall of the induced draft fan shell;
one end of the conveying crawler belt shell is arranged on the top surface of the mounting bottom plate, and the other end of the conveying crawler belt shell is connected with an inner cavity impeller of the draught fan shell through a rotating motor;
the disassembly and assembly driving and positioning mechanism comprises a hydraulic driving rod arranged on the bottom wall of the shell of the conveying crawler and two positioning rod pieces symmetrically arranged on two sides of the outer wall of the shell of the induced draft fan;
the bottom surface of the shell of the conveying crawler is welded with a supporting block, the supporting block is welded on the top surface of the mounting bottom plate, a base of the hydraulic driving rod is fixedly mounted on the outer wall of the supporting block, and a driving telescopic end of the hydraulic driving rod is connected with the shell of the induced draft fan;
four fixed risers are installed to the top surface rectangle array of installation base, two the location member is connected respectively on two relative fixed riser inner walls, the welding of draught fan casing both sides outer wall has the locating piece of being fixed the member through connection.
Preferably, hydraulic drive pole both sides just are located supporting shoe outer wall symmetrical weld and have fixed sleeve, draught fan casing one side lower part welding that faces away from the air intake has fixed inserted bar, fixed inserted bar is pegged graft to in the fixed telescopic inner chamber.
Preferably, the flexible end welding of hydraulic drive pole has the mounting disc, the week side symmetrical welding of mounting disc has two to extend the connecting plate, two it passes through bolt and draught fan casing fixed connection to extend the connecting plate.
Preferably, the inner chamber one end of draught fan casing has seted up the stair platform annular, interference fit has the dismantlement formula end cover in the stair platform annular, the air intake just sets up on the dismantlement formula end cover side.
Preferably, the air intake both sides just are located dismantlement formula end cover outer wall welding and have two handles, two bolt carousel are run through to draught fan casing outer wall symmetry, the screw end butt of bolt carousel is on the outer wall of dismantlement formula end cover.
Preferably, the inner walls of the two opposite fixed vertical plates are welded with positioning insertion pipes for inserting positioning rod pieces, and the positioning insertion pipes are connected with the positioning rod pieces through first locking bolts.
Preferably, the bottom surface welding of draught fan casing has the support saddle, the both sides outer wall lower part of support saddle has all welded the horizontal connecting plate.
Preferably, each mounting plate is welded at the bottom end of each fixed vertical plate and is fixedly connected with the mounting bottom plate through a second locking bolt.
The utility model discloses a technological effect and advantage: according to the boiler induced draft fan convenient to disassemble and assemble, the hydraulic drive rod is stretched and opened under the supporting force of the supporting block, the hydraulic drive rod pushes the distance between the shell of the induced draft fan and the shell of the conveyor belt to be adjusted, so that the shell of the induced draft fan slides and moves on the top surface of the mounting bottom plate, the shell of the induced draft fan is disassembled and assembled, the manual disassembly and carrying of the shell of the induced draft fan are replaced, the installation and the disassembly of the induced draft fan are convenient, meanwhile, when the shell of the induced draft fan moves, the positioning blocks on the two sides of the shell of the induced draft fan slide on the positioning rod pieces, the movable positioning of the shell of the induced draft fan can be facilitated, the shell of the induced draft fan is prevented from moving and inclining, and the accurate installation of the shell of the induced draft fan is facilitated; when the locating piece of induced draft fan shell slided on locating lever spare, the both ends of two location member carried out fixed mounting through fixed riser respectively to can fix location member, prevent that location member from removing, thereby be favorable to the removal of induced draft fan casing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the split structure of the mounting base plate and the induced draft fan casing of the present invention;
fig. 3 is a schematic view of the connection structure of the fixing vertical plate and the positioning rod of the present invention;
FIG. 4 is a schematic view of the split structure of the draft fan housing and the detachable end cap of the present invention;
fig. 5 is a schematic structural view of the hydraulic drive rod and the fixing sleeve of the present invention.
In the figure: 1. mounting a bottom plate; 2. an induced draft fan assembly; 3. a draught fan shell; 4. an air outlet; 5. an air inlet; 6. a horizontal connecting plate; 7. a conveyor track housing; 8. a support saddle; 9. fixing the vertical plate; 10. positioning the rod piece; 11. disassembling and assembling the driving and positioning mechanism; 12. mounting a plate; 13. a rotating electric machine; 14. a servo motor; 15. fixing the inserted rod; 16. a second locking bolt; 17. positioning the cannula; 18. a first locking bolt; 19. positioning blocks; 20. a bolt turnplate; 21. a step ring groove; 22. disassembling the end cover; 23. a handle; 24. a support block; 25. a hydraulic drive rod; 26. a fixed sleeve; 27. installing a disc; 28. a connection plate is extended.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The utility model provides a boiler induced draft fan convenient to disassemble and assemble as shown in figures 1-5, which comprises an installation bottom plate 1, an induced draft fan assembly 2, a conveying crawler belt shell 7 and a disassembling and assembling driving positioning mechanism 11;
the induced draft fan assembly 2 comprises an induced draft fan shell 3 movably arranged on the top surface of the mounting bottom plate 1, and an air inlet 5 and an air outlet 4 which are respectively connected to the outer wall of the induced draft fan shell 3;
one end of a conveying crawler belt shell 7 is installed on the top surface of the installation bottom plate 1, the other end of the conveying crawler belt shell is connected with an inner cavity impeller of the draught fan shell 3 through a rotating motor 13, a servo motor 14 is installed at one end, far away from the rotating motor 13, of the conveying crawler belt shell 7, the servo motor 14 is installed on the top surface of a supporting block 24, the supporting block 24 is welded on the bottom surface of the conveying crawler belt shell 7, the supporting block 24 is welded on the top surface of the installation bottom plate 1, a base of a hydraulic driving rod 25 is fixedly installed on the outer wall of the supporting block 24, and a driving telescopic end of the hydraulic driving rod 25 is connected with the draught fan shell 3;
the telescopic end of the hydraulic drive rod 25 applies force to push the support saddle 8, the support saddle 8 can mount, support and fix the induced draft fan shell 3, and the dismounting drive positioning mechanism 11 comprises the hydraulic drive rod 25 mounted on the bottom wall of the conveying crawler shell 7 and two positioning rod pieces 10 symmetrically arranged on two sides of the outer wall of the induced draft fan shell 3;
four fixed vertical plates 9 are installed on the top surface of the installation bottom plate 1 in a rectangular array mode, two positioning rod pieces 10 are connected to the inner walls of the two opposite fixed vertical plates 9 respectively, and positioning blocks 19 which are connected with the positioning rod pieces 10 in a penetrating mode are welded on the outer walls of the two sides of the draught fan shell 3.
The two sides of the hydraulic drive rod 25 are symmetrically welded with fixing sleeves 26 on the outer walls of the supporting blocks 24, the lower portion of one side, facing away from the air inlet 5, of the draught fan shell 3 is welded with a fixing insertion rod 15, the fixing insertion rod 15 is inserted into an inner cavity of the fixing sleeve 26, the telescopic end of the hydraulic drive rod 25 is welded with a mounting disc 27, the periphery of the mounting disc 27 is symmetrically welded with two extending connecting plates 28, and the two extending connecting plates 28 are fixedly connected with the draught fan shell 3 through bolts.
Step platform ring groove 21 has been seted up to the inner chamber one end of draught fan casing 3, and interference fit has dismantlement formula end cover 22 in the step platform ring groove 21, and air intake 5 just sets up on dismantlement formula end cover 22 side, and two handles 23 have just been located the welding of dismantlement formula end cover 22 outer wall in air intake 5 both sides, and draught fan casing 3 outer wall symmetry runs through two bolt carousel 20, and the screw end butt of bolt carousel 20 is on the outer wall of dismantlement formula end cover 22.
The inner walls of two opposite fixed vertical plates 9 are all welded with positioning insertion pipes 17 for the insertion of positioning rod pieces 10, the positioning insertion pipes 17 are connected with the positioning rod pieces 10 through first locking bolts 18, the bottom surface of the draught fan shell 3 is welded with a supporting saddle 8, the lower parts of the outer walls of two sides of the supporting saddle 8 are all welded with horizontal connecting plates 6, the bottom end of each fixed vertical plate 9 is welded with a mounting plate 12, and the mounting plates 12 are fixedly connected with a mounting base plate 1 through second locking bolts 16.
The working principle is as follows: according to the boiler induced draft fan convenient to disassemble and assemble, when the shell 3 of the induced draft fan needs to be disassembled, the hydraulic drive rod 25 applies force to extend on the supporting block 24, the telescopic end of the hydraulic drive rod 25 applies force to the shell 3 of the induced draft fan to push the shell 3 of the induced draft fan to move, the distance between the shell 3 of the induced draft fan and the shell 7 of the conveying crawler belt is adjusted, meanwhile, the fixed inserting rod 15 stretches out of the fixed sleeve 26 so as to facilitate the moving and positioning of the shell 3 of the induced draft fan, and in addition, the positioning block 19 on the outer wall of the shell 3 of the induced draft fan can slide on the positioning rod piece 10 to move and position the shell 3 of the induced draft fan;
when the positioning blocks 19 of the induced draft fan shell 3 slide on the positioning rod pieces 10, the two ends of the two positioning rod pieces 10 are respectively fixedly installed through the fixed vertical plates 9, so that the positioning rod pieces 10 can be fixed, and the positioning rod pieces 10 are prevented from moving;
when the detachable end cover 22 needs to be detached, the two bolt turntables 20 are unscrewed, and the detachable end cover 22 is separated from the step ring groove 21.
Above, only be the embodiment of the preferred of the utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in the art should be covered within the scope of protection of the utility model in the technical scope disclosed by the utility model, according to the technical scheme of the utility model and the design of the utility model, equivalent replacement or change.
Claims (8)
1. The utility model provides a boiler draught fan convenient to dismouting which characterized in that includes:
a mounting base plate (1);
the induced draft fan assembly (2) comprises an induced draft fan shell (3) movably mounted on the top surface of the mounting bottom plate (1) and an air inlet (5) and an air outlet (4) which are respectively connected to the outer wall of the induced draft fan shell (3);
one end of the conveying crawler belt shell (7) is installed on the top surface of the installation bottom plate (1), and the other end of the conveying crawler belt shell is connected with an inner cavity impeller of the draught fan shell (3) through a rotating motor (13);
the disassembly and assembly driving and positioning mechanism (11) comprises a hydraulic driving rod (25) arranged on the bottom wall of the conveying crawler shell (7) and two positioning rod pieces (10) symmetrically arranged on two sides of the outer wall of the induced draft fan shell (3);
the bottom surface of the conveying crawler shell (7) is welded with a supporting block (24), the supporting block (24) is welded on the top surface of the mounting bottom plate (1), the base of the hydraulic driving rod (25) is fixedly mounted on the outer wall of the supporting block (24), and the driving telescopic end of the hydraulic driving rod (25) is connected with the draught fan shell (3);
four fixed risers (9) are installed to the top surface rectangle array of mounting plate (1), two location member (10) are connected respectively on two relative fixed riser (9) inner walls, draught fan casing (3) both sides outer wall welding has location member (10) through connection's locating piece (19).
2. The boiler induced draft fan convenient to dismouting of claim 1, characterized in that: hydraulic drive pole (25) both sides just are located supporting shoe (24) outer wall symmetrical weld and have fixed sleeve (26), draught fan casing (3) one side lower part welding dorsad air intake (5) has fixed inserted bar (15), peg graft to the inner chamber of fixed sleeve (26) in fixed inserted bar (15).
3. The boiler induced-draft fan convenient to disassemble and assemble according to claim 2, wherein: the welding of the flexible end of hydraulic drive pole (25) has mounting disc (27), the week side symmetrical welding of mounting disc (27) has two to extend connecting plate (28), two extend connecting plate (28) and draught fan casing (3) fixed connection through the bolt.
4. The boiler induced draft fan convenient to dismouting of claim 3, characterized in that: step platform annular (21) have been seted up to the inner chamber one end of draught fan casing (3), interference fit has dismantlement formula end cover (22) in step platform annular (21), air intake (5) just set up on dismantlement formula end cover (22) side.
5. The boiler induced-draft fan convenient to disassemble and assemble according to claim 4, wherein: draught fan casing (3) outer wall symmetry runs through two bolt carousel (20), the screw rod end butt of bolt carousel (20) is on the outer wall of dismantlement formula end cover (22).
6. The boiler induced-draft fan convenient to disassemble and assemble according to claim 1, wherein: the relative two fixed riser (9) inner wall all welds and has supplied location intubate (17) that positioning rod spare (10) pegged graft, location intubate (17) are connected with positioning rod spare (10) through first locking bolt (18).
7. The boiler induced draft fan convenient to dismouting of claim 1, characterized in that: the bottom surface welding of draught fan casing (3) has support saddle (8), horizontal connecting plate (6) have all been welded to the both sides outer wall lower part of support saddle (8).
8. The boiler induced draft fan convenient to dismouting of claim 7, characterized in that: every mounting panel (12) have all been welded to the bottom of fixed riser (9), mounting panel (12) are through second locking bolt (16) and mounting plate (1) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222642078.6U CN218347605U (en) | 2022-10-09 | 2022-10-09 | Boiler draught fan convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222642078.6U CN218347605U (en) | 2022-10-09 | 2022-10-09 | Boiler draught fan convenient to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347605U true CN218347605U (en) | 2023-01-20 |
Family
ID=84895995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222642078.6U Active CN218347605U (en) | 2022-10-09 | 2022-10-09 | Boiler draught fan convenient to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347605U (en) |
-
2022
- 2022-10-09 CN CN202222642078.6U patent/CN218347605U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4114368A (en) | Support for concentric turbine blade shroud | |
| CN219012901U (en) | Centrifugal fan convenient to dismantle | |
| CN218347605U (en) | Boiler draught fan convenient to disassemble and assemble | |
| KR20110004911U (en) | bearing housing | |
| CN219234209U (en) | Air blowing mechanism for nitrogen protection aluminum brazing furnace | |
| EP0051178B1 (en) | Assembly and disassembly methods and apparatus | |
| CN218265991U (en) | Special induced draft cover for coal mine ventilation equipment | |
| CN216842274U (en) | But quick assembly disassembly's centrifugal fan | |
| CN213870351U (en) | Centrifugal draught fan | |
| CN211901033U (en) | Easy-to-install draught fan for thermal power plant | |
| CN109538509A (en) | A kind of Novel moveable centrifugal blower and its application method | |
| CN221423544U (en) | Fan impeller for horizontal fan | |
| CN219197382U (en) | Tunnel construction ventilation unit | |
| CN1512040A (en) | Gas turbine | |
| CN217632984U (en) | Energy-saving centrifugal fan with centrifugal impeller easy to clean | |
| CN216975273U (en) | Boiler induced draft fan that double suction double bracing is upsized | |
| CN221322756U (en) | Cabinet type centrifugal fan | |
| CN215214034U (en) | Fan for subway tunnel | |
| CN207830178U (en) | It is a kind of to repair easily cooling fan | |
| CN213655248U (en) | Axial fan convenient to assembly | |
| CN218151491U (en) | Split type fan | |
| CN220869724U (en) | Fan convenient to maintain | |
| CN209228658U (en) | A kind of heat transmission high-power blower | |
| CN214007566U (en) | Fan equipment for fresh air system | |
| CN208669646U (en) | A kind of new type explosion proof axial flow blower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231223 Address after: No. 5 Lefu Second Road, Rongcheng City, Weihai City, Shandong Province, 264300 Patentee after: Rongcheng Shidao Shuifa Heating Co.,Ltd. Address before: No. 678, Muyun West Road, Gangwan Sub district Office, Rongcheng City, Weihai City, Shandong Province 264,309 Patentee before: Shuifa Thermal Power (Rongcheng) Co.,Ltd. |