CN216589656U - Sectional type steam turbine connecting device - Google Patents
Sectional type steam turbine connecting device Download PDFInfo
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- CN216589656U CN216589656U CN202122208147.8U CN202122208147U CN216589656U CN 216589656 U CN216589656 U CN 216589656U CN 202122208147 U CN202122208147 U CN 202122208147U CN 216589656 U CN216589656 U CN 216589656U
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Abstract
The utility model discloses a sectional type steam turbine connecting device which comprises a connecting box and a steam turbine, wherein a steam turbine shaft is fixedly installed at the output end of the steam turbine, a coupler is fixedly sleeved on the inner side of the connecting box through a rotatable bearing, the steam turbine shaft penetrates through the side surface of the connecting box and extends to the inner side of the connecting box, a driving machine shaft is fixedly sleeved on the other side of the connecting box, and the steam turbine shaft and the driving machine shaft are linked through a steam turbine connecting mechanism and a driving machine connecting mechanism. According to the utility model, the bulge of the convex structure at the connecting part is clamped in the concave part in the shape of a Chinese character 'ao', so that the driving shafts always rotate in the same direction during working, the clamping can effectively avoid the looseness in the horizontal direction, the installation and the disassembly are convenient, the operation is stable, and the transmission performance is good; can be according to the demand through adjustment joint mode, nimble output mode of adjusting has increased the practicality of mechanism.
Description
Technical Field
The utility model relates to the technical field of thermal power generation, in particular to a sectional type steam turbine connecting device.
Background
The steam turbine is also called a steam turbine engine, and is a rotary steam power device.A high-temperature and high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates and does work outwards at the same time; steam turbines are the main equipment of modern thermal power plants, and are also used in metallurgical industry, chemical industry and ship power plants; compared with a reciprocating steam engine, the steam flow in the steam turbine is continuous and high-speed, and the flow which can pass through the steam turbine in unit area is large, so that the steam turbine can emit larger power; since the 19 th century, the development of steam turbines has been to increase the power of a single turbine and to increase the thermal economy of the plant, while continuously improving the safety, reliability and durability and ensuring the convenience of operation.
However, the existing steam turbine still has certain limitation in daily operation, when the steam turbine is connected with a driving mechanism, a connecting part device is complex, time and labor are consumed for installation and disassembly, and the service life of connecting part elements of a machine is influenced because the connecting part is not buffered; most of the existing steam turbines only have one output mode, large transmission ratio output cannot be carried out according to conditions, and the output mode cannot be flexibly adjusted, so that the steam turbines face more limitations in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a sectional type steam turbine connecting device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a sectional type steam turbine connecting device, includes connecting box and steam turbine, the output fixed mounting of steam turbine has the steam turbine shaft, the inboard of connecting box has fixed the coupling through rotatable bearing cup, the steam turbine shaft runs through the side of connecting box extends to the inboard of connecting box, the fixed cover of opposite side of connecting box has connect the drive spindle, the steam turbine shaft with the drive spindle passes through steam turbine coupling mechanism and driver coupling mechanism and links mutually, just the steam turbine shaft with the axle center of drive spindle coincides mutually.
Preferably, driving machine coupling mechanism includes the driving machine axle, just the driving machine axle is pressed close to one side casting of shaft coupling has first joint tooth, the shaft coupling is pressed close to first joint groove has been seted up to one side of first joint tooth, the opposite side casting of shaft coupling has the second joint tooth, keep away from in the inboard of shaft coupling the side fixed mounting of driving machine axle has the cavity post, the joint post has been cup jointed in the inboard activity of cavity post.
Preferably, the first clamping teeth are designed in a shape of a Chinese character 'tu', the first clamping grooves are designed in a shape of a Chinese character 'ao', the protruding positions of the two sides of the first clamping teeth are matched with the size of the concave inlets of the first clamping grooves, the protruding width of the first clamping teeth is matched with the concave width of the first clamping grooves, and the inner side walls of the first clamping grooves are further fixedly provided with cushion pads.
Preferably, the inner side wall of the hollow column and the corresponding side face of the clamping column are provided with inner threads with the same size, and the arranged inner threads are fixedly sleeved with bolts with matched sizes.
Preferably, steam turbine coupling mechanism includes the planet carrier, planet carrier fixed mounting in the inboard of connecting box, the planet carrier has cup jointed the three driven gear of group that are circular distribution through the axis of rotation is fixed, driven gear's inboard, driven gear's lateral wall meshing has the ring gear, the ring gear is pressed close to the second joint groove has been seted up to one side of shaft coupling.
Preferably, the inner side wall of the gear ring is uniformly distributed with teeth meshed with the driven gear; one end of the steam turbine shaft, which is far away from the steam turbine, is fixedly provided with a driving gear, the outer side of the driving gear is meshed with the three groups of driven gears, a hexagonal groove is formed in one side, close to the second clamping tooth, of the driving gear, and the hexagonal groove is matched with the position and the size of the second clamping tooth.
Compared with the prior art, the utility model has the beneficial effects that:
1. during connection, the first clamping tooth and the first clamping groove, and the second clamping tooth and the second clamping groove are clamped by adjusting the driving machine shaft, the coupler and the steam turbine shaft, and can be clamped in the concave part of the concave shape through the bulge of the convex structure after rotating for a circle;
when the work is finished, the rotation of the steam turbine shaft and the driving shaft is waited to stop, and the first clamping teeth are taken out from the notches of the first clamping grooves, so that the mounting and dismounting are convenient, the operation is stable, and the transmission performance is good.
2. When not needing to carry out big drive ratio output, accomplish the joint back in first joint tooth and first joint groove, outwards drag the joint post from the inboard of hollow column, accomplish the joint that groove was seted up to joint post and driving gear to fix the joint post through the bolt, the output of turbine shaft directly transmits shaft coupling and drive spindle through the driving gear, can directly export, can adjust output mode according to the demand is nimble, has increased the practicality of mechanism.
Drawings
FIG. 1 is a schematic structural view of a segmented steam turbine coupling according to the present invention;
FIG. 2 is a schematic view of a driving machine connecting mechanism of a sectional turbine connecting device according to the present invention;
FIG. 3 is a schematic view of a steam turbine coupling mechanism of a segmented steam turbine coupling device according to the present invention;
fig. 4 is a schematic structural diagram of a steam turbine connecting mechanism of a segmented steam turbine connecting device according to the present invention.
In the figure: 1. a connecting box; 2. a steam turbine; 3. a turbine shaft; 4. a steam turbine connection mechanism; 5. a driver connection mechanism; 6. a drive shaft; 7. a first snap tooth; 8. a coupling; 9. a first clamping groove; 10. a second snap tooth; 11. a hollow column; 12. a clamping column; 13. a bolt; 14. a ring gear; 15. a second clamping groove; 16. a planet carrier; 17. a driving gear; 18. a driven gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a sectional type steam turbine connecting device, including connecting box 1 and steam turbine 2, the output fixed mounting of steam turbine 2 has a steam turbine shaft 3, the inboard of connecting box 1 has fixedly cup jointed shaft coupling 8 through rotatable bearing, steam turbine shaft 3 runs through the side through connecting box 1 and extends to the inboard of connecting box 1, the fixed cover of opposite side of connecting box 1 has connect driving machine shaft 6, steam turbine shaft 3 and driving machine shaft 6 link mutually through steam turbine coupling mechanism 4 and driving machine coupling mechanism 5, and steam turbine shaft 3 coincides mutually with the axle center of driving machine shaft 6.
As fig. 2, the driving machine connecting mechanism 5 includes the driving machine shaft 6, and the one side that the driving machine shaft 6 is close to the shaft coupling 8 is cast and is had first joint tooth 7, and first joint groove 9 has been seted up to the one side that the shaft coupling 8 is close to first joint tooth 7, and the opposite side casting of shaft coupling 8 has second joint tooth 10, and the side fixed mounting that the driving machine shaft 6 was kept away from to the inboard of shaft coupling 8 has well hollow column 11, and the inboard activity of well hollow column 11 has cup jointed joint post 12.
As shown in fig. 2, the first engaging teeth 7 are designed in a shape of a Chinese character 'tu', the first engaging grooves 9 are designed in a shape of a Chinese character 'ao', the protruding parts of both sides of the first engaging teeth 7 are matched with the size of the concave inlet of the first engaging grooves 9, the protruding width of the first engaging teeth 7 is matched with the concave width of the first engaging grooves 9, and the inner side walls of the first engaging grooves 9 are also fixedly provided with cushions.
As shown in fig. 2, the inner side wall of the hollow column 11 and the corresponding side surface of the clamping column 12 are provided with internal threads with the same size, and the provided internal threads are fixedly sleeved with bolts 13 with the matched size.
As shown in fig. 3, the steam turbine connecting mechanism 4 includes a planet carrier 16, the planet carrier 16 is fixedly installed in the inner side of the connecting box 1, the planet carrier 16 is fixedly sleeved with three sets of driven gears 18 which are distributed in a circular manner through a rotating shaft, the outer side wall of each driven gear 18 is engaged with a gear ring 14, and the gear ring 14 is close to one side of the coupler 8 and provided with a second clamping groove 15.
As shown in fig. 4, the inner side wall of the gear ring 14 is uniformly distributed with teeth meshed with the driven gear 18; one end of the steam turbine shaft 3 far away from the steam turbine 2 is fixedly provided with a driving gear 17, the outer side of the driving gear 17 is meshed with three groups of driven gears 18, a hexagonal groove is formed in one side, close to the second clamping tooth 10, of the driving gear 17, and the hexagonal groove is matched with the position and the size of the second clamping tooth 10.
In the utility model, during connection, the first clamping tooth 7 is clamped with the first clamping groove 9, the second clamping tooth 10 is clamped with the second clamping groove 15 by adjusting the driving machine shaft 6, the coupler 8 and the steam turbine shaft 3, and the first clamping tooth and the second clamping tooth are clamped with each other by rotating for a circle and can be clamped in the concave inner concave part through the bulge of the convex structure;
when the work is finished, the first clamping teeth 7 are drawn out from the notches of the first clamping grooves 9 after the rotation of the steam turbine shaft 3 and the driving shaft 6 is stopped, so that the mounting and dismounting are convenient, the operation is stable, and the transmission performance is good;
when the large transmission ratio output is not needed, a direct output mode is adopted: accomplish first joint tooth 7 and the joint back in first joint groove 9, outwards drag joint post 12 from the inboard of hollow post 11, accomplish joint post 12 and the joint in driving gear 17 seting up the groove to fix joint post 12 through bolt 13, the output of turbine shaft 3 directly transmits shaft coupling 8 and driving shaft 6 through driving gear 17, can directly export, can adjust output mode according to the demand is nimble, has increased the practicality of mechanism.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a sectional type steam turbine connecting device, includes connecting box (1) and steam turbine (2), its characterized in that, the output fixed mounting of steam turbine (2) has turbine shaft (3), the inboard of connecting box (1) is fixed to cup joint shaft coupling (8) through rotatable bearing, turbine shaft (3) run through the side of connecting box (1) extends to the inboard of connecting box (1), the fixed cover of opposite side of connecting box (1) has connected drive machine axle (6), turbine shaft (3) with drive machine axle (6) link mutually through turbine coupling mechanism (4) and drive machine coupling mechanism (5), just turbine shaft (3) with the axle center of drive machine axle (6) coincides mutually.
2. The sectional type steam turbine connecting device according to claim 1, wherein the drive machine connecting mechanism (5) comprises the drive machine shaft (6), a first clamping tooth (7) is cast on one side of the drive machine shaft (6) close to the coupler (8), a first clamping groove (9) is formed in one side of the coupler (8) close to the first clamping tooth (7), a second clamping tooth (10) is cast on the other side of the coupler (8), a hollow column (11) is fixedly mounted on the side surface of the drive machine shaft (6) far away from the inner side of the coupler (8), and a clamping column (12) is movably sleeved on the inner side of the hollow column (11).
3. The sectional steam turbine connecting device according to claim 2, wherein the first clamping tooth (7) is of a convex design, the first clamping groove (9) is of a concave design, the convex part of the first clamping tooth (7) is matched with the concave inlet size of the first clamping groove (9), the convex width of the first clamping tooth (7) is matched with the concave width of the first clamping groove (9), and a cushion pad is fixedly mounted on the inner side wall of the first clamping groove (9).
4. The connecting device of a sectional turbine according to claim 2, wherein the inner side wall of the hollow column (11) and the corresponding side surface of the clamping column (12) are provided with internal threads with equal size, and the provided internal threads are fixedly sleeved with bolts (13) with matched size.
5. The sectional type steam turbine connecting device according to claim 1, characterized in that the steam turbine connecting mechanism (4) comprises a planet carrier (16), the planet carrier (16) is fixedly installed on the inner side of the connecting box (1), three groups of driven gears (18) which are distributed in a circular shape are fixedly sleeved on the planet carrier (16) through a rotating shaft, the inner side of each driven gear (18) is engaged with a gear ring (14) on the outer side wall of each driven gear (18), and a second clamping groove (15) is formed in one side, close to the coupler (8), of each gear ring (14).
6. A segmented steam turbine coupling according to claim 1 or 5, wherein the inner side wall of the ring gear (14) is uniformly distributed with teeth engaged with the driven gear (18); one end of the steam turbine shaft (3) far away from the steam turbine (2) is fixedly provided with a driving gear (17), the outer side of the driving gear (17) is meshed with the three groups of driven gears (18), the driving gear (17) is close to one side of the second clamping tooth (10), a hexagonal groove is formed in the side, close to the second clamping tooth, of the driving gear (10), and the hexagonal groove is matched with the position and the size of the second clamping tooth (10).
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CN202122208147.8U CN216589656U (en) | 2021-09-13 | 2021-09-13 | Sectional type steam turbine connecting device |
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CN202122208147.8U CN216589656U (en) | 2021-09-13 | 2021-09-13 | Sectional type steam turbine connecting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116985179A (en) * | 2023-09-28 | 2023-11-03 | 深圳市大族机器人有限公司 | Joint module and robot joint |
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2021
- 2021-09-13 CN CN202122208147.8U patent/CN216589656U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116985179A (en) * | 2023-09-28 | 2023-11-03 | 深圳市大族机器人有限公司 | Joint module and robot joint |
CN116985179B (en) * | 2023-09-28 | 2024-01-12 | 深圳市大族机器人有限公司 | Joint module and robot joint |
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