Steam turbine wheel disc heat treatment device
By designing a heat treatment device that includes a hydraulic cylinder and a hot air blower, stable heating and rotary quenching of the turbine disk were achieved, solving the problem of difficulty in manual movement at high temperatures, realizing uniform heating and timely quenching, and avoiding operator injury.
Patent Information
- Application Number
- CN202423070443.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-12
AI Technical Summary
After heat treatment, the turbine disk is at a high temperature, making it difficult to move manually, which can easily cause damage and makes it difficult to quench in time.
A heat treatment device including a first barrel, a support, a hot air blower, a hydraulic cylinder, a motor, and inserts is designed. The cover plate and inserts are rotated by the hydraulic cylinder to achieve stable heating and rotary quenching of the turbine disk. The hot air generated by the hot air blower is used for uniform heating, and excess hot air is recovered through a water tank.
It achieves uniform heating and timely quenching of the turbine disk, avoids burns to the operator, and adapts to the limit requirements of disks of different sizes.
Smart Images
Figure CN223674688U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat treatment technical field, concretely relates to a steam turbine wheel disc heat treatment device. BACKGROUND
[0002] Heat treatment refers to the material in solid state, through heating, heat preservation and cooling means, to obtain the expected organization and performance a kind of metal hot working process. Steam turbine wheel disc needs to be heat treated during production process, the temperature of steam turbine wheel disc after being heat treated using heat treatment device is very high, manual operation is difficult to move steam turbine wheel disc, easy to cause harm to operator, easy to lead steam turbine wheel disc to miss best quenching time. UTILITY MODEL CONTENTS
[0003] In view of the problems in the prior art, the utility model provides a steam turbine wheel disc heat treatment device.
[0004] The utility model discloses a steam turbine wheel disc heat treatment device, including first bucket body and support, the first bucket body is fixed with exhaust pipe, one side of support is equipped with hot air machine, and the exhaust pipe of hot air machine is fixed with stand pipe, a plurality of branch pipes are fixed on the stand pipe, and a plurality of branch pipes all extend to first bucket body, the one side of first bucket body away from hot air machine is equipped with second bucket body, and the bottom of first bucket body and second bucket body is fixed with a plurality of support legs, the bottom of first bucket body is fixed with bottom support, and the bottom support is fixed with motor, the bottom of second bucket body is rotatably connected with support rod, and the output shaft of motor and support rod are all fixed with pulley, and the two pulleys are connected through belt, the output shaft of motor and the top of support rod are all fixed with plug-in block, the bottom of the piston rod of hydraulic cylinder is fixed with cover plate, the bottom of cover plate is fixed with two connecting rods, the first bucket body is equipped with support, and the bottom of two connecting rods is all connected with support, the support is fixed with bearing in, and the bearing is fixed with connecting column in, the top of connecting column is fixed with pedestal, and the top of pedestal is equipped with a plurality of limit pieces and convex column, and the bottom of connecting column is equipped with the rectangular clamping groove that is adapted to plug-in block.
[0005] By adopting the technical scheme, a certain amount of water is injected into the second barrel body, the piston rod of the hydraulic cylinder drives the cover plate to move upwards, the connecting rod, the support and the base move upwards, the steam turbine disc to be heated is placed on the base, the convex column and the limiting piece are arranged, the steam turbine disc can be kept stable, the piston rod of the hydraulic cylinder drives the cover plate to move downwards, the top end of the plug block is inserted into the rectangular clamping groove at the bottom end of the connecting column, the output shaft of the motor drives the plug block to rotate, the connecting column, the base and the steam turbine disc rotate, the hot air generated by the operation of the air heater enters the first barrel body through the branch pipe, the base and the steam turbine disc keep rotating, and the steam turbine disc is uniformly heated, the piston rod of the hydraulic cylinder drives the cover plate to move upwards, the support pushes the bracket to move after being separated from the first barrel body, the piston rod of the hydraulic cylinder drives the cover plate to move downwards after the base moves to the top of the second barrel body, the plug block in the second barrel body is inserted into the rectangular clamping groove at the bottom end of the connecting column, and the output shaft of the motor continues to rotate, the plug block in the second barrel body and the support in the first barrel body rotate under the cooperation of the belt and the belt pulley, the connecting column and the heated steam turbine disc rotate, and the heated steam turbine disc is quenched in time, so that the operator is prevented from being scalded.
[0006] Specifically, the limiting piece comprises an L-shaped stopper and a connecting bolt, a horizontal section of the stopper is provided with a threaded hole matched with the connecting bolt, and the top end of the base is provided with a plurality of threaded holes matched with the connecting bolt.
[0007] By adopting the technical scheme, the connecting bolt is screwed into the threaded hole at different positions of the top end of the base, the position of the stopper on the base is adjusted conveniently, and steam turbine discs of different sizes can be limited.
[0008] Specifically, the top end of the cover plate is fixed with two vertical rods, and the top ends of the two vertical rods penetrate the bracket.
[0009] By adopting the technical scheme, the vertical rods are arranged, and the stability of the cover plate can be improved.
[0010] Specifically, one side of the air heater is provided with a water tank, the water tank is fixed with a bend pipe, one end of the bend pipe is connected with an exhaust pipe, the other end of the bend pipe away from the exhaust pipe extends into the water tank, the top end of the water tank is provided with an exhaust port, and the side of the water tank away from the air heater and the side of the second barrel body away from the first barrel body are both fixed with a valve.
[0011] By adopting the technical scheme, the excess hot air in the first barrel body enters the water tank through the exhaust pipe and the bend pipe, the excess hot air heats the water in the water tank, and the excess hot air is utilized.
[0012] Specifically, the bottom support is welded with the first barrel body, and the motor is connected with the bottom support through bolts.
[0013] The utility model discloses the following beneficial effects:
[0014] (1) The utility model discloses a steam turbine wheel disc heat treatment device, injects a certain amount of water in second bucket body, and the piston rod of hydraulic cylinder drives the cover plate to move up, and the connecting rod, support, pedestal move up along, place the steam turbine wheel disc of waiting for heating treatment on the pedestal, the setting of convex column and limiting piece can make the steam turbine wheel disc keep stable, and the piston rod of hydraulic cylinder drives the cover plate to move down, and the top of insert block inserts into the rectangular clamping groove in the bottom end of connecting column, and the output shaft of motor drives insert block to rotate, and connecting column, pedestal and steam turbine wheel disc follow rotation, and the hot air generated by the operation of air heater enters first bucket body through branch pipe, and the pedestal and steam turbine wheel disc do not stop rotating, and it is beneficial to the uniform heating of steam turbine wheel disc, and the piston rod of hydraulic cylinder drives the cover plate to move up, and the support pushes the bracket to move after getting out of first bucket body, and the piston rod of hydraulic cylinder drives the cover plate to move down after the support moves to the top of second bucket body, and the insert block in second bucket body inserts into the rectangular clamping groove in the bottom end of connecting column, and the output shaft of motor continues to rotate, and under the cooperation of belt and pulley, the insert block in the support rod and second bucket body rotates, and connecting column, heated steam turbine wheel disc rotates, and it is beneficial to the timely quenching of heated steam turbine wheel disc, and avoids the operator being scalded.
[0015] (2) The utility model discloses a steam turbine wheel disc heat treatment device, and connecting bolt is screwed into the screw hole of different positions in the top of pedestal, and it is convenient to adjust the position of baffle on the pedestal, and can limit the steam turbine wheel disc of different sizes. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model is further explained below in combination with the drawings and examples.
[0017] Figure 1 It is the structural schematic diagram of the utility model;
[0018] Figure 2 It is the sectional view of first bucket body of the utility model;
[0019] Figure 3 It is the sectional view of second bucket body of the utility model;
[0020] Figure 4 It is the Figure 2 Enlarged view of structure in A place of the utility model.
[0021] In the drawing: 1, first bucket body;2, branch pipe;3, air heater;4, vertical pipe;5, second bucket body;6, vertical rod;7, hydraulic cylinder;8, bracket;9, cover plate;10, exhaust pipe;11, elbow;12, water tank;13, connecting rod;14, support;15, pedestal;16, bearing;17, limiting piece;18, convex column;19, baffle;20, connecting bolt;21, motor;22, bottom support;23, pulley;24, belt;25, insert block;26, connecting column;27, support rod. DETAILED DESCRIPTION
[0022] In order to make the technical means, creation characteristics, achieve the purpose and function of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0023] In order to facilitate the heating, transfer and quenching of the steam turbine disc, as an embodiment of the utility model, as shown in the figure, Figures 1 to 4 A steam turbine disc heat treatment device, including first barrel body 1 and support 8, the first barrel body 1 is welded with exhaust pipe 10, the support 8 is provided with hot air blower 3 on one side, the exhaust pipe of hot air blower 3 is welded with vertical pipe 4, the vertical pipe 4 is welded with multiple branch pipes 2, multiple branch pipes 2 all extend to the first barrel body 1, the side of the first barrel body 1 away from hot air blower 3 is provided with second barrel body 5, the bottom end of the first barrel body 1 and second barrel body 5 is all welded with multiple supporting legs, the bottom end of the first barrel body 1 is fixed with bottom support 22, bottom support 22 is fixed with motor 21, the bottom end of second barrel body 5 is rotatably connected with supporting rod 27, the output shaft of motor 21 and supporting rod 27 are all fixed with belt pulley 23, two belt pulleys 23 are connected through belt 24, the output shaft of motor 21 and the top end of supporting rod 27 are all fixed with plug block 25, the bottom end of the piston rod of hydraulic cylinder 7 is fixed with cover plate 9 through bolt, the bottom end of cover plate 9 is welded with two connecting rods 13, the first barrel body 1 is provided with support 14, the bottom end of two connecting rods 13 is all welded with support 14, support 14 is fixed with bearing 16, bearing 16 is fixed with connecting column 26, the top end of connecting column 26 is welded with base 15, the top end of base 15 is provided with multiple limit pieces 17 and convex column 18, convex column 18 is welded with base 15, convex column 15 can support steam turbine disc, leave the gap for hot air circulation between steam turbine disc and base 15, facilitate the heating of the bottom of steam turbine disc, the bottom end of connecting column 26 is provided with rectangular clamping groove matched with plug block 25.
[0024] In use, a certain amount of water is injected into the second barrel 5, the piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move upwards, the connecting rod 13, the support 14 and the base 15 move upwards accordingly, the steam turbine disc (prior art, not shown) to be heated is placed on the base 15, the convex column 18 and the limiting piece 17 can keep the steam turbine disc stable, the piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move downwards, the top end of the plug 25 is inserted into the rectangular clamping groove at the bottom end of the connecting column 26, the output shaft of the motor 21 drives the plug 25 to rotate, the connecting column 26, the base 15 and the steam turbine disc rotate accordingly, the hot air generated by the operation of the air heater 3 enters the first barrel 1 through the branch pipe 2, the base 15 and the steam turbine disc keep rotating, which is beneficial to the uniform heating of the steam turbine disc, the piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move upwards, the operator pushes the support 8 to move after the support 14 is separated from the first barrel 1, the piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move downwards after the support 14 moves to above the second barrel 5, the plug 25 in the second barrel 5 is inserted into the rectangular clamping groove at the bottom end of the connecting column 26, the output shaft of the motor 21 continues to rotate, the support rod 27 and the plug 25 in the second barrel 5 rotate under the cooperation of the belt 24 and the pulley 23, the connecting column 26 and the heated steam turbine disc rotate, which is beneficial to the timely quenching of the heated steam turbine disc and avoids the operator being scalded.
[0025] In order to conveniently block different sizes of steam turbine discs, as shown in Figure 2 , the limiting piece 17 comprises an L-shaped block 19 and a connecting bolt 20, the horizontal section of the block 19 is provided with a screw hole matched with the connecting bolt 20, and the top end of the base 15 is provided with a plurality of screw holes matched with the connecting bolt 20.
[0026] In use, the connecting bolt 20 is screwed into the screw holes at different positions of the top end of the base 15, which is convenient for adjusting the position of the block 19 on the base 15 and can block different sizes of steam turbine discs.
[0027] In order to improve the stability of the cover plate 9, as shown in Figure 1 , two vertical rods 6 are welded and fixed to the top end of the cover plate 9, and the top ends of the two vertical rods 6 penetrate the support 8.
[0028] In order to utilize the excess hot air, as shown in Figure 1 , one side of the air heater 3 is provided with a water tank 12, a bend pipe 11 is welded and fixed to the water tank 12, one end of the bend pipe 11 is welded and connected with the exhaust pipe 10, the end of the bend pipe 11 away from the exhaust pipe 10 extends into the water tank 12, the top end of the water tank 12 is provided with an exhaust port, and the side of the water tank 12 away from the air heater 3 and the side of the second barrel 5 away from the first barrel 1 are both welded and fixed with valves.
[0029] The bottom support 22 is welded with the first barrel body 1, and the motor 21 is connected with the bottom support 22 through bolts.
[0030] In use, a certain amount of water is injected into the second barrel body 5, the piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move upwards, the connecting rod 13, the support 14 and the base 15 move upwards accordingly, the steam turbine disc (prior art, not shown) to be heated is placed on the base 15, the connecting bolt 20 is screwed into the screw holes at different positions at the top end of the base 15, the position of the stop block 19 on the base 15 is conveniently adjusted, and different sizes of steam turbine discs can be positioned;
[0031] The piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move downwards, the top end of the plug 25 is inserted into the rectangular clamping groove at the bottom end of the connecting column 26, the output shaft of the motor 21 drives the plug 25 to rotate, the connecting column 26, the base 15 and the steam turbine disc rotate together, the hot air generated by the operation of the air heater 3 enters the first barrel body 1 through the branch pipe 2, and the base 15 and the steam turbine disc keep rotating, which is beneficial to uniform heating of the steam turbine disc;
[0032] The piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move upwards, the support 14 is pushed out of the first barrel body 1, then the operator pushes the bracket 8 to move, the support 14 moves to above the second barrel body 5, then the piston rod of the hydraulic cylinder 7 drives the cover plate 9 to move downwards, and after the plug 25 in the second barrel body 5 is inserted into the rectangular clamping groove at the bottom end of the connecting column 26, the output shaft of the motor 21 continues to rotate, under the cooperation of the belt 24 and the pulley 23, the support rod 27 and the plug 25 in the second barrel body 5 rotate, the connecting column 26 and the heated steam turbine disc rotate, which is beneficial to timely quenching of the heated steam turbine disc and avoids scalding of the operator.
[0033] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only used to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents, and the contents not described in detail in the utility model are all prior art known to those skilled in the art.
Claims
1. A steam turbine disk heat treatment apparatus characterized by, The utility model provides a kind of double barrel drying machine, including first barrel (1) and support (8), the first barrel (1) is fixed with exhaust pipe (10) on it, one side of support (8) is equipped with hot air blower (3), the exhaust pipe of hot air blower (3) is fixed with vertical pipe (4), the vertical pipe (4) is fixed with multiple branch pipes (2), multiple branch pipes (2) are extended into first barrel (1), the side of first barrel (1) away from hot air blower (3) is equipped with second barrel (5), the bottom of first barrel (1) and second barrel (5) is fixed with multiple supporting legs, the bottom of first barrel (1) is fixed with bottom support (22), bottom support (22) is fixed with motor (21), the bottom of second barrel (5) is rotatably connected with support rod (27), the output shaft of motor (21) and support rod (27) are both fixed with belt pulley (23), two belt pulleys (23) are connected by belt (24), the output shaft of motor (21) and the top of support rod (27) are both fixed with plug-in block (25), the bottom of support (8) is equipped with multiple trundle, the top of support (8) is fixed with hydraulic cylinder (7), the bottom of piston rod of hydraulic cylinder (7) is fixed with cover plate (9), the bottom of cover plate (9) is fixed with two connecting rods (13), first barrel (1) is equipped with support (14), the bottom of two connecting rods (13) is connected with support (14), support (14) is fixed with bearing (16) in it, bearing (16) is fixed with connecting column (26) in it, the top of connecting column (26) is fixed with pedestal (15), the top of pedestal (15) is equipped with multiple limit pieces (17) and convex column (18), the bottom of connecting column (26) is equipped with the rectangular clamping groove that is adapted to plug-in block (25).
2. A steam turbine disk heat treatment apparatus according to claim 1, wherein The limit piece (17) includes L-shaped stopper (19) and connecting bolt (20), the horizontal section of stopper (19) is equipped with the screw hole that is adapted to connecting bolt (20), the top of pedestal (15) is equipped with multiple screw holes that are adapted to connecting bolt (20).
3. A steam turbine disk heat treating apparatus as defined in claim 1 wherein, The top of cover plate (9) is fixed with two vertical rods (6), the top of two vertical rods (6) is all through support (8).
4. A steam turbine disk heat treating apparatus as defined in claim 1 wherein, One side of hot air blower (3) is equipped with water tank (12), the water tank (12) is fixed with elbow pipe (11), one end of elbow pipe (11) is connected with exhaust pipe (10), the end of elbow pipe (11) away from exhaust pipe (10) extends into water tank (12), the top of water tank (12) is equipped with exhaust port, the side of water tank (12) away from hot air blower (3) and the side of second barrel (5) away from first barrel (1) are both fixed with valve.
5. A steam turbine disk heat treating apparatus as defined in claim 1 wherein, Bottom support (22) is welded with first barrel (1), motor (21) is connected with bottom support (22) by bolt.