Steam turbine with a supplementary valve

Abstract

The application belongs to the field of steam supplement valves, and discloses a steam supplement valve for a steam turbine. The steam supplement valve is provided with a connecting mechanism. A first connecting rod is used to connect an arc connecting ring with a steam supplement valve body. A second connecting rod is connected with a fixing ring. The second connecting rod is connected with the arc connecting ring, so that the steam supplement valve body and the arc connecting ring are more firmly connected, and the arc connecting ring and the steam supplement valve body are prevented from being separated.

Description

Technical Field

[0001] This invention belongs to the field of steam injection valves, specifically a steam injection valve for steam turbines. Background Technology

[0002] The steam replenishment valve is also called the steam replenishment valve. It is used to replenish steam to the steam turbine. The steam replenishment valve is usually fixed to the ground or plane by bolts. When the steam replenishment valve replenishes steam to the steam turbine, the replenishment of steam to the steam turbine will be affected by the limitations of different scene environments. The angle and direction cannot be freely adjusted, and the steam replenishment valve is not secure enough when it is fixed. The steam replenishment valve is easy to fall off and shift. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a steam injection valve for steam turbines. This invention can solve the problems that when the steam injection valve injects steam into the steam turbine, the steam injection into the steam turbine is affected by the limitations of different scenario environments, the angle and direction cannot be freely adjusted, and the steam injection valve is not secure enough when fixed, making it easy for the steam injection valve to fall off and shift.

[0004] To achieve the above objectives, the present invention includes a steam injection valve body, a connecting mechanism, a sliding mechanism, and an adjusting mechanism;

[0005] The connecting mechanism is located at the outer end of the main body of the steam-injecting valve, the sliding mechanism is located at the bottom end of the connecting mechanism, and the adjusting mechanism is located at the bottom end of the sliding mechanism. The connecting mechanism includes a first connecting rod, a fixing ring, a second connecting rod, and a connecting arc ring. The first connecting rod is fixed to the top end of the main body of the steam-injecting valve, the fixing ring is located at the outer end of the main body of the steam-injecting valve, the second connecting rod is located at the outer end of the fixing ring, and the connecting arc ring is located at the outer end of the second connecting rod and is fixedly connected to the first connecting rod.

[0006] There are two first connecting rods, and the two first connecting rods are symmetrically distributed.

[0007] There are two second connecting rods, which are symmetrically distributed.

[0008] The sliding mechanism includes a slide groove located at the bottom end of the connecting arc ring, and a roller located inside the slide groove, which is slidably connected.

[0009] The sliding mechanism includes a roller and a connecting plate. The connecting plate is located at the bottom of the roller and is movably connected to the roller.

[0010] The sliding mechanism includes a support block and a ball bearing. The support block is located at the top of the connecting plate, and the ball bearing is located at the top of the support block and is slidably connected to the slide groove.

[0011] There are two support blocks, which are symmetrically distributed.

[0012] The adjustment mechanism includes a movable ball, a base, mounting holes, and bolts;

[0013] The movable ball is located at the bottom of the connecting plate, and the base is located at the bottom of the movable ball. The base and the movable ball are movably connected. The mounting hole is located at the top of the base, and the bolt is installed inside the mounting hole. The bolt is threadedly connected to the mounting hole.

[0014] There are several active beads, and all active beads are symmetrically distributed.

[0015] The adjustment mechanism includes a motor and a drive shaft. The motor is located inside the base, and the drive shaft is located at the drive end of the motor and passes through the top of the base, and is fixedly connected to the connecting plate.

[0016] Compared with the prior art, the steam replenishment valve of the present invention is provided with a connecting mechanism. The connecting arc ring is connected to the main body of the steam replenishment valve by a first connecting rod, and the fixing ring connects the second connecting rod. The second connecting rod connects to the connecting arc ring, making the connection between the main body of the steam replenishment valve and the connecting arc ring more stable and preventing the connecting arc ring from detaching from the main body of the steam replenishment valve.

[0017] Furthermore, the sliding mechanism in this invention connects the roller, ball, and connecting arc ring via a sliding groove, and the sliding groove slides at the outer end of the roller and ball, driving the connecting arc ring to move, thereby driving the main body of the steam injection valve to move, making it easier for the main body of the steam injection valve to change its angle.

[0018] Furthermore, in the adjustment mechanism of the present invention, the motor drives the transmission shaft to rotate, the transmission shaft drives the connecting plate to rotate, the connecting plate drives the roller to rotate, the roller drives the connecting arc ring to rotate, thereby driving the main body of the steam injection valve to rotate, which facilitates the adjustment of the direction of the main body of the steam injection valve and facilitates the needs of placement in different directions. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the steam replenishment valve of the present invention;

[0020] Figure 2 This is a schematic cross-sectional view of the steam replenishment valve of the present invention;

[0021] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle;

[0022] Figure 4 This is a schematic cross-sectional view of the adjustment mechanism of the present invention;

[0023] Figure 5 For the present invention Figure 2 Enlarged structural diagram at point B;

[0024] Figure 6 For the present invention Figure 2 Enlarged structural diagram at point C.

[0025] In the diagram: 1. Main body of the steam injection valve; 2. Connecting mechanism; 201. First connecting rod; 202. Fixing ring; 203. Second connecting rod; 204. Connecting arc ring; 3. Sliding mechanism; 301. Slide groove; 302. Roller; 303. Connecting plate; 304. Support block; 305. Ball bearing; 4. Adjusting mechanism; 401. Moving ball; 402. Base; 403. Mounting hole; 404. Bolt; 405. Motor; 406. Drive shaft. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figures 1-6 The present invention provides a technical solution: a steam turbine make-up valve, comprising a make-up valve body 1, a connecting mechanism 2, a sliding mechanism 3, and an adjusting mechanism 4. The connecting mechanism 2 is located at the outer end of the make-up valve body 1, the sliding mechanism 3 is located at the bottom end of the connecting mechanism 2, and the adjusting mechanism 4 is located at the bottom end of the sliding mechanism 3. The connecting mechanism 2 comprises a first connecting rod 201, a fixing ring 202, a second connecting rod 203, and a connecting arc ring 204. The first connecting rod 201 is fixedly installed at the top end of the make-up valve body 1. There are two first connecting rods 201, and the first connecting rods 201 are symmetrically distributed.

[0028] A fixing ring 202 is fixedly installed on the outer end of the steam injection valve body 1. Two second connecting rods 203 are fixedly installed on the outer end of the fixing ring 202, and they are symmetrically distributed. A connecting arc ring 204 is fixedly installed on the outer end of the second connecting rods 203 and is fixedly connected to the first connecting rod 201. The first connecting rod 201 connects the connecting arc ring 204 to the steam injection valve body 1, and the fixing ring 202 connects the second connecting rods 203. The second connecting rod 203 connects to the connecting arc ring 204, making the connection between the steam replenishment valve body 1 and the connecting arc ring 204 more stable and preventing the connecting arc ring 204 from detaching from the steam replenishment valve body 1. The sliding mechanism 3 includes a slide groove 301, a roller 302, a connecting plate 303, a support block 304, and a ball bearing 305. The slide groove 301 is fixedly set at the bottom end of the connecting arc ring 204, and the roller 302 is installed inside the slide groove 301, allowing for sliding connection. A sliding groove 301 connects a roller 302, a ball 305, and a connecting arc ring 204. The sliding groove 301 slides on the outer ends of the roller 302 and the ball 305, causing the connecting arc ring 204 to move, thereby moving the steam injection valve body 1. This facilitates changing the angle of the steam injection valve body 1. A connecting plate 303 is installed at the bottom end of the roller 302 and is movably connected to the roller 302. The connecting plate 303 limits the position of the roller 302, facilitating support of the connecting arc ring 204. Ring 204 allows the connecting arc ring 204 to move. Support block 304 is fixedly installed on the top of connecting plate 303. There are two support blocks 304, which are symmetrically distributed. Ball bearing 305 is installed on the top of support block 304 and is slidably connected to slide groove 301. The support block 304 limits the position of ball bearing 305 and supports ball bearing 305, so that ball bearing 305 is connected to slide groove 301, making the connecting arc ring 204 more stable when moving.

[0029] The adjusting mechanism 4 includes a movable ball 401, a base 402, a mounting hole 403, a bolt 404, a motor 405, and a drive shaft 406. The movable balls 401 are mounted on the bottom end of the connecting plate 303. There are several movable balls 401, symmetrically distributed, which roll on the base 402, facilitating the rotation of the connecting plate 303 and providing support for its balance during rotation. The base 402 is mounted on the bottom end of the movable balls 401 and is movably connected to them. The mounting hole 403 is fixedly located at the top end of the base 402, and the bolt 404 is installed inside the mounting hole 403. The bolt 404 is connected to the motor... The mounting hole 403 is threaded, allowing the bolt 404 to pass through the base 402 and fix its position, making it more secure. The motor 405 is fixedly installed inside the base 402, and the drive shaft 406 is fixedly installed at the drive end of the motor 405, passing through the top of the base 402 and fixedly connected to the connecting plate 303. The motor 405 drives the drive shaft 406 to rotate, which in turn drives the connecting plate 303 to rotate. The connecting plate 303 drives the roller 302 to rotate, which in turn drives the connecting arc ring 204 to rotate, thereby causing the steam injection valve body 1 to rotate. This allows for easy adjustment of the direction of the steam injection valve body 1, accommodating different placement requirements.

[0030] Working principle: The connecting arc ring 204 is connected to the steam replenishment valve body 1 via the first connecting rod 201, and the fixing ring 202 connects to the second connecting rod 203. The second connecting rod 203 connects to the connecting arc ring 204, making the connection between the steam replenishment valve body 1 and the connecting arc ring 204 more stable. When it is necessary to adjust the angle of the steam replenishment valve body 1, the connecting arc ring 204 is rotated. The connecting arc ring 204 passes through the groove 301, which slides on the outer end of the roller 302 and the ball 305, driving the connecting arc ring 204 to move, thereby driving the steam replenishment valve body 1. The steam replenishment valve body 1 is moved to change its angle. When the direction of the steam replenishment valve body 1 needs to be adjusted, the motor 405 drives the transmission shaft 406 to rotate, the transmission shaft 406 drives the connecting plate 303 to rotate, the connecting plate 303 drives the roller 302 to rotate, and the roller 302 drives the connecting arc ring 204 to rotate, thereby driving the steam replenishment valve body 1 to rotate and thus changing the placement direction of the steam replenishment valve body 1. The direction and angle of the steam replenishment valve body 1 can be adjusted according to different placement environments, which is more conducive to the steam replenishment valve body 1 working with the steam turbine.

[0031] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, and is not intended to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present invention do not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A steam injection valve for a steam turbine, characterized in that, It includes a main body of the steam replenishment valve (1), a connecting mechanism (2), a sliding mechanism (3), and an adjusting mechanism (4); The connecting mechanism (2) is located at the outer end of the main body (1) of the steam replenishment valve, the sliding mechanism (3) is located at the bottom end of the connecting mechanism (2), and the adjusting mechanism (4) is located at the bottom end of the sliding mechanism (3). The connecting mechanism (2) includes a first connecting rod (201), a fixing ring (202), a second connecting rod (203), and a connecting arc ring (204). The first connecting rod (201) is fixed to the top end of the main body (1) of the steam replenishment valve, the fixing ring (202) is located at the outer end of the main body (1) of the steam replenishment valve, the second connecting rod (203) is located at the outer end of the fixing ring (202), and the connecting arc ring (204) is located at the outer end of the second connecting rod (203) and is fixedly connected to the first connecting rod (201). The sliding mechanism (3) includes a slide groove (301), which is located at the bottom end of the connecting arc ring (204). A roller (302) is located inside the slide groove (301) and is slidably connected to the slide groove (301). The sliding mechanism (3) includes a roller (302) and a connecting plate (303), which is located at the bottom end of the roller (302) and is movably connected to the roller (302). The sliding mechanism (3) includes a support block (304) and a ball (305), which is located at the top end of the connecting plate (303) and is slidably connected to the slide groove (301). The adjustment mechanism (4) includes a movable ball (401), a base (402), a mounting hole (403), and a bolt (404); The movable bead (401) is located at the bottom of the connecting plate (303), and the base (402) is located at the bottom of the movable bead (401). The base (402) is movably connected to the movable bead (401). The mounting hole (403) is located at the top of the base (402). The bolt (404) is installed inside the mounting hole (403). The bolt (404) is threadedly connected to the mounting hole (403). The adjusting mechanism (4) includes a motor (405) and a drive shaft (406). The motor (405) is located inside the base (402). The drive shaft (406) is located at the drive end of the motor (405) and passes through the top of the base (402), and is fixedly connected to the connecting plate (303).

2. The steam turbine makeup valve according to claim 1, characterized in that, There are two first connecting rods (201), and the two first connecting rods (201) are symmetrically distributed.

3. The steam injection valve for a steam turbine according to claim 1, characterized in that, There are two second connecting rods (203), and the two second connecting rods (203) are symmetrically distributed.

4. A steam turbine makeup valve according to claim 1, characterized in that, There are two support blocks (304), and the two support blocks (304) are symmetrically distributed.

5. A steam turbine makeup valve according to claim 1, characterized in that, There are several active beads (401), and all active beads (401) are symmetrically distributed.

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