CN212616385U

CN212616385U - Giant hydropower station water turbine tail water disc type valve

Info

Publication number: CN212616385U
Application number: CN202021081064.6U
Authority: CN
Inventors: 周秋澍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-26
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a huge power station hydraulic turbine tail water disk valve, including disk seat and valve disc, still include: the support rod is fixedly mounted at the middle position inside the valve seat, the connecting plate is fixedly mounted at the upper end of the support rod, the valve disc is mounted at the upper end of the valve seat, the sealing sleeve is fixedly mounted at the lower end of the valve seat and located inside the valve seat and attached to two sides of the inner wall of the valve seat, the connecting sleeve is fixedly mounted at the middle position of the lower end of the valve disc and sleeved with the connecting plate, the mounting plate drives the double-thread screw sleeve to rotate through the rotating gear ring and the meshing gear block, the telescopic screw rod moves towards the direction of separation under the action of the limiting block and the limiting groove, the clamping toothed plate at one end of the telescopic screw rod is separated from the clamping toothed rack, the movable clamping block is extruded into the mounting groove by the other telescopic screw rod, and a user drives the valve disc to move upwards through the.

Description

Giant hydropower station water turbine tail water disc type valve

Technical Field

The utility model relates to a power station equipment field specifically is a huge power station hydraulic turbine tail water disk type valve.

Background

The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. Modern water turbines are mostly installed in hydropower stations and are used for driving generators to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The water head is higher, the flow is larger, the output power of a water turbine is also larger, a tail water disc type valve is designed for the requirement of machine set flow channel equipment maintenance when a large hydraulic turbine set of a hydropower station is designed, the existing tail water disc type valve is used and often has many problems, such as poor connection effect between a valve disc and a valve seat, easy looseness and influence on the sealing effect of the valve disc, and the tail water disc type valve of the hydraulic turbine of the hydropower station is provided for solving the series of problems.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model provides a huge power station hydraulic turbine tail water disk valve, the seal cover of valve disc lower extreme inserts the inside of disk seat, the adapter sleeve of valve disc lower extreme is connected with the connecting plate, make the sealing washer insert the inside of seal groove, the leakproofness has been strengthened, the kelly passes the valve disc, the activity fixture block pops out under the effect of card solid spring, make the lower extreme of activity fixture block fix the upper end at the disk seat with the valve disc, the slot cover of inserting on of inserted bar is on the surface of telescopic screw, the latch plate of telescopic screw drive one end removes, with the card solid rack looks joint of inserted bar one side, fixed connection and leakproofness between disk seat and the valve disc have been strengthened.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a huge power station hydraulic turbine tail water disk valve, includes disk seat and valve disc, still includes: a support rod is fixedly arranged at the middle position inside the valve seat, a connecting plate is fixedly arranged at the upper end of the support rod, a valve disc is arranged at the upper end of the valve seat, a sealing sleeve is fixedly arranged at the lower end of the valve seat and positioned inside the valve seat and attached to two sides of the inner wall of the valve seat, a connecting sleeve is fixedly arranged at the middle position of the lower end of the valve disc and sleeved with the connecting plate, inserting rods are movably inserted into two sides of the upper end of the valve disc, the lower end of the inserting rods is inserted with the valve disc and fixedly connected with the valve seat, slots are arranged at the middle position of the upper end of the inserting rods, grooves are formed at two ends of one side of the surface of each slot, clamping racks are fixedly arranged inside the grooves, clamping rods are inserted into two sides of the upper end of the valve disc, clamping rods are inserted into the lower end of the, a clamping spring is fixedly installed on one side of the inner part of the valve disc, a movable clamping block is fixedly installed on one end of the movable clamping block, one end of the movable clamping block is located in the installation groove, one side of the movable clamping block is attached to the upper end of the surface of the valve disc, double-thread screw sleeves are movably installed on two sides of the upper end of the surface of the valve disc respectively, the double-thread screw sleeves are located in the middle positions of the opposite surfaces of the insertion rod and the clamping rod, meshing tooth blocks are uniformly and fixedly installed in the middle positions of the surfaces of the double-thread screw sleeves, telescopic screw rods are movably inserted in the two ends of the double-thread screw sleeves, one ends of the telescopic screw rods penetrate through the insertion grooves, clamping tooth plates are fixedly installed on the ends of the telescopic screw rods, one sides of the clamping tooth plates are fixedly connected with the clamping tooth plates in a clamping mode, one ends of the telescopic screw rods are located on the, the lower extreme fixed mounting of mounting panel has rotatory ring gear, rotatory ring gear with interlock tooth piece meshing is connected.

Preferably, both sides of the lower end of the support rod are fixedly provided with the support seats, both sides of the lower end of the support rod are fixedly provided with the fixing rods, and one end of the fixing rod is fixedly connected with both sides of the inside of the valve seat, so that the support for the valve disc is enhanced.

Preferably, the inside both sides of mounting groove have all been seted up the spout, the equal fixed mounting in both sides of activity fixture block has the slider, the slider with spout swing joint is convenient for carry on spacingly to the removal of activity fixture block.

Preferably, the upper end of the connecting plate is provided with a sealing groove, a sealing ring is fixedly arranged inside the connecting sleeve and movably connected with the sealing groove, and the sealing performance of the valve disc and the valve seat is enhanced.

Preferably, two mounting blocks are fixedly mounted on two sides of the upper end of the valve disc, and the double-thread insert is movably inserted into the middle position of the two mounting blocks, so that the double-thread insert is conveniently movably mounted.

Preferably, the middle position of the surfaces of the two mounting blocks is provided with a through hole, and the telescopic screw rod is movably inserted in the through hole, so that the telescopic screw rod can be movably inserted conveniently.

Preferably, the both sides of punching the inside all fixed mounting have the stopper, four the stopper is located telescopic screw's both sides are the symmetric distribution, are convenient for carry on spacingly to telescopic screw's removal.

Preferably, the limiting groove has all been seted up to the both sides on flexible screw rod surface, the inside activity interlude of limiting groove has the stopper, avoids flexible screw rod to follow the double thread swivel nut and rotates, influences the result of use.

Preferably, the two sides of the upper end of the valve seat are fixedly provided with connecting rods, and the valve disc is movably inserted between the four connecting rods, so that the valve disc is convenient to limit, and the rotation of the valve disc along with the shaft lever is avoided.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of kelly and inserted bar, make the whole device have fine installation sealing effect, when the user uses, put the valve disc in the upper end of valve seat surface through the axostylus axostyle, the seal cover of valve disc lower extreme inserts the inside of valve seat, the adapter sleeve of valve disc lower extreme is connected with the connecting plate, make the sealing washer insert the inside of seal groove, the leakproofness has been strengthened, the kelly of connecting plate upper end passes the valve disc simultaneously, along with the insertion of kelly, the movable fixture block contracts the inside of mounting groove, when the kelly passes the valve disc, the movable fixture block pops out under the effect of card solid spring, make the lower extreme of movable fixture block fix the valve disc in the upper end of valve seat, the inserted bar passes the valve disc simultaneously, the inserted slot cover of inserted bar is on the surface of flexible screw rod, the axostylus axostyle rotates, the, the telescopic screw rod is contracted into the double-thread screw sleeve under the action of the limiting block and the limiting groove, the telescopic screw rod drives the gear clamping plate at one end to move and be clamped with the clamping rack at one side of the inserted rod, so that the inserted rod is convenient to fix, the fixed connection between the valve seat and the valve disc is enhanced, and the phenomenon that the sealing effect is weakened due to looseness to influence the use of the whole device is avoided;

2. the utility model discloses a setting of telescopic screw, make the integrated device have fine dismantlement effect, when the user uses, axostylus axostyle antiport, the surface at the disk seat is fixed in the effect of connecting rod to the valve disc, the axostylus axostyle drives the mounting panel and rotates, the mounting panel drives the double-thread swivel nut through rotatory ring gear and interlock tooth piece and rotates, telescopic screw removes to the direction that leaves mutually under the effect of stopper and spacing groove, telescopic screw one end draw-in teeth board breaks away from with the solid rack of card, another telescopic screw is with the inside of crowded mounting groove of movable fixture block, the user passes through the axostylus axostyle and drives the valve disc rebound, make draw-in lever and inserted bar break away from rather than.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the front view structure of the device of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the installation position of the insert rod of the present invention.

Fig. 4 is a schematic side view of the mounting block of the present invention.

In the figure: 1. a valve seat; 2. a valve disc; 3. a shaft lever; 4. a toothed plate; 5. a connecting rod; 6. a seal ring; 7. a connecting plate; 8. mounting a plate; 9. inserting a rod; 10. sealing sleeves; 11. fixing the rod; 12. a support bar; 13. a supporting seat; 14. connecting sleeves; 15. a clamping rod; 16. mounting grooves; 17. clamping and fixing the spring; 18. a movable clamping block; 19. a telescopic screw; 20. double-thread insert; 21. mounting blocks; 22. rotating the toothed ring; 23. an occlusion tooth block; 24. a slot; 25. a limiting groove; 26. a groove; 27. clamping and fixing the rack; 28. a limiting block; 29. and (6) perforating.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a huge power station hydraulic turbine tail water disk valve, includes disk seat 1 and valve disc 2, still includes: a support rod 12 is fixedly arranged at the middle position inside the valve seat 1, a connecting plate 7 is fixedly arranged at the upper end of the support rod, a valve disc 2 is arranged at the upper end of the valve seat 1, a sealing sleeve 10 is fixedly arranged at the lower end of the support rod, the sealing sleeve is positioned inside the valve seat 1 and is attached to two sides of the inner wall of the valve seat 1, a connecting sleeve 14 is fixedly arranged at the middle position of the lower end of the valve disc 2 and is sleeved with the connecting plate 7, an inserting rod 9 is movably inserted into two sides of the upper end of the valve disc 2, the lower end of the inserting rod is fixedly connected with the valve seat 1, an inserting groove 24 is arranged at the middle position of the upper end of the inserting rod 9, grooves 26 are respectively arranged at two ends of one side of the surface of the inserting groove 24, a clamping rack 27 is fixedly arranged inside the grooves 26, clamping rods 15 are respectively inserted into two sides of, a clamping spring 17 is fixedly arranged on one side of the inner part of the valve disc, a movable clamping block 18 is fixedly arranged at one end of the valve disc, one end of the movable clamping block 18 is positioned in the mounting groove 16, one side of the movable clamping block is attached to the upper end of the surface of the valve disc 2, double-thread screw sleeves 20 are movably arranged on two sides of the upper end of the surface of the valve disc 2, the double-thread screw sleeves are positioned in the middle positions of the opposite surfaces of the insertion rod 9 and the clamping rod 15, meshing tooth blocks 23 are uniformly and fixedly arranged in the middle positions of the surfaces of the double-thread screw sleeves 20, telescopic screw rods 19 are movably inserted in the inner parts of two ends of the double-thread screw sleeves 20, one end of each telescopic screw rod passes through the insertion groove 24, the clamping tooth plate 4 is fixedly arranged at the other end of each clamping tooth plate 4, one side of each clamping tooth plate 4 is clamped with a clamping rack 27, one end of each telescopic screw, the lower end of the mounting plate 8 is fixedly provided with a rotary gear ring 22, and the rotary gear ring 22 is meshed and connected with an occlusion gear block 23.

Specifically, as shown in fig. 1 to 4, the support base 13 is fixedly mounted on both sides of the lower end of the support rod 12, the fixing rod 11 is fixedly mounted on both sides of the lower end of the support rod, and one end of the fixing rod is fixedly connected to both sides of the inside of the valve seat 1, so that the support of the valve disc 2 is enhanced.

Specifically, as shown in fig. 1 to 4, sliding grooves are formed in both sides of the inside of the mounting groove 16, sliding blocks are fixedly mounted on both sides of the movable clamping block 18, and the sliding blocks are movably connected with the sliding grooves, so that the movable clamping block 18 is convenient to move in a limited manner.

Specifically, as shown in fig. 1 to 4, a sealing groove is formed at the upper end of the connecting plate 7, and a sealing ring 6 is fixedly installed inside the connecting sleeve 14 and movably connected with the sealing groove, so that the sealing performance between the valve disc 2 and the valve seat 1 is enhanced.

Specifically, as shown in fig. 1-4, two mounting blocks 21 are fixedly mounted on both sides of the upper end of the valve disc 2, and a double-thread screw sleeve 20 is movably inserted in the middle of the two mounting blocks 21, so that the double-thread screw sleeve 20 can be movably mounted conveniently.

Specifically, as shown in fig. 1 to 4, a through hole 29 is formed in the middle of the surfaces of the two mounting blocks 21, and the telescopic screw rod 19 is movably inserted into the through hole 29, so that the telescopic screw rod 19 can be movably inserted.

Specifically, as shown in fig. 1 to 4, two sides inside the through hole 29 are both fixedly provided with the limiting blocks 28, and the four limiting blocks 28 are symmetrically distributed on two sides of the telescopic screw rod 19, so that the movement of the telescopic screw rod 19 is limited.

Specifically, as shown in fig. 1-4, the limiting grooves 25 are formed in both sides of the surface of the telescopic screw rod 19, and the limiting blocks 28 are movably inserted into the limiting grooves 25, so that the telescopic screw rod 19 is prevented from rotating along with the double-thread insert 20, and the using effect is prevented from being affected.

Specifically, as shown in fig. 1-4, the two sides of the upper end of the valve seat 1 are fixedly provided with connecting rods 5, and the valve disc 2 is movably inserted between the four connecting rods 5, so that the valve disc 2 is convenient to limit, and the rotation of the shaft lever 3 is avoided.

The working principle is as follows: when a user uses the valve seat, the valve disc 2 is placed at the upper end of the surface of the valve seat 1 through the shaft lever 3, the sealing sleeve 10 at the lower end of the valve disc 2 is inserted into the valve seat 1, the connecting sleeve 14 at the lower end of the valve disc 2 is connected with the connecting plate 7, so that the sealing ring 6 is inserted into the sealing groove, the sealing performance is enhanced, meanwhile, the clamping rod 15 at the upper end of the connecting plate 7 penetrates through the valve disc 2, the movable clamping block 18 is contracted into the mounting groove 16 along with the insertion of the clamping rod 15, when the clamping rod 15 penetrates through the valve disc 2, the movable clamping block 18 is popped out under the action of the clamping spring 17, so that the valve disc 2 is fixed at the upper end of the valve seat 1 by the lower end of the movable clamping block 18, meanwhile, the inserted rod 9 penetrates through the valve disc 2, the inserted slot 24 of the inserted rod 9 is sleeved on the surface of the telescopic screw rod 19, the telescopic screw 19 is contracted into the double-thread screw sleeve 20 under the action of the limiting block 28 and the limiting groove 25, the telescopic screw 19 drives the latch plate 4 at one end to move and is clamped with the clamping rack 27 at one side of the inserted rod 9, so that the inserted rod 9 is fixed conveniently, the fixed connection between the valve seat 1 and the valve disc 2 is enhanced, the weakening of the sealing effect caused by loosening is avoided, the use of the whole device is not influenced, the shaft lever 3 rotates reversely, the valve disc 2 is fixed on the surface of the valve seat 1 under the action of the connecting rod 5, the shaft lever 3 drives the mounting plate 8 to rotate, the mounting plate 8 drives the double-thread screw sleeve 20 to rotate through the rotating toothed ring 22 and the meshing toothed block 23, the telescopic screw 19 moves towards the direction away from each other under the action of the limiting block 28 and the limiting groove 25, the latch plate 4 at one end of the telescopic screw 19 is separated from the clamping rack 27, the other telescopic screw 19 extrudes the movable clamping block 18 into, the user drives the valve disc 2 to move upwards through the shaft lever 3, so that the clamping rod 15 and the inserting rod 9 are separated from the valve disc 2, and the valve disc 2 is convenient to open.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a huge power station hydraulic turbine tail water disk valve, includes disk seat (1) and valve disc (2), its characterized in that still includes: a support rod (12) is fixedly mounted at the middle position inside the valve seat (1), a connecting plate (7) is fixedly mounted at the upper end of the support rod, a valve disc (2) is mounted at the upper end of the valve seat (1), a sealing sleeve (10) is fixedly mounted at the lower end of the support rod and is positioned inside the valve seat (1) and attached to two sides of the inner wall of the valve seat (1), a connecting sleeve (14) is fixedly mounted at the middle position of the lower end of the valve disc (2), the connecting plate (7) is sleeved inside the connecting sleeve, inserting rods (9) are movably inserted into two sides of the upper end of the valve disc (2), the valve disc (2) is inserted into the lower end of the valve disc, the end of the inserting rod is fixedly connected with the valve seat (1), a slot (24) is formed at the middle position of the upper end of the inserting rod (9), grooves (26) are formed at two ends, the two sides of the upper end of the valve disc (2) are respectively inserted with a clamping rod (15), the lower end of the clamping rod is inserted with the valve disc (2), the end of the clamping rod is fixedly connected with the connecting plate (7), one side of the clamping rod (15) is provided with a mounting groove (16), one side of the clamping rod is fixedly provided with a clamping spring (17), one end of the clamping rod is fixedly provided with a movable clamping block (18), one end of the clamping rod is positioned in the mounting groove (16), one side of the clamping rod is attached to the upper end of the surface of the valve disc (2), two sides of the upper end of the surface of the valve disc (2) are respectively and movably provided with a double-thread screw sleeve (20), the double-thread screw sleeve is positioned in the middle position of the opposite surfaces of the insertion rod (9) and the clamping rod (15), the middle position of the surface of the double-thread screw sleeve is uniformly and fixedly provided with an occlusion tooth block (23), the, and this end fixed mounting has a pinion rack (4), one side that its one side fixed mounting has pinion rack (4) with block solid rack (27) looks joint, the one end of telescopic screw (19) is located the outside of double thread swivel nut (20), and with the laminating of one side of activity fixture block (18), the intermediate position department activity interlude of valve disc (2) has axostylus axostyle (3), the lower extreme fixed mounting of axostylus axostyle (3) has mounting panel (8), the lower extreme fixed mounting of mounting panel (8) has rotatory ring gear (22), rotatory ring gear (22) with interlock piece (23) meshing is connected.

2. The giant hydropower station water turbine tail water disc type valve of claim 1, wherein: the supporting seat (13) is fixedly mounted on two sides of the lower end of the supporting rod (12), the fixing rod (11) is fixedly mounted on two sides of the lower end of the supporting rod, and one end of the fixing rod is fixedly connected with two sides of the interior of the valve seat (1).

3. The giant hydropower station water turbine tail water disc type valve of claim 1, wherein: the inside both sides of mounting groove (16) have all been seted up the spout, the equal fixed mounting in both sides of activity fixture block (18) has the slider, the slider with spout swing joint.

4. The giant hydropower station water turbine tail water disc type valve of claim 1, wherein: the upper end of the connecting plate (7) is provided with a sealing groove, and a sealing ring (6) is fixedly arranged in the connecting sleeve (14) and movably connected with the sealing groove.

5. The giant hydropower station water turbine tail water disc type valve of claim 1, wherein: two mounting blocks (21) are fixedly mounted on two sides of the upper end of the valve disc (2), and the double-thread sleeve (20) is movably inserted in the middle of the two mounting blocks (21).

6. The giant hydropower station water turbine tail water disc type valve of claim 5, wherein: the middle position of the surfaces of the two mounting blocks (21) is provided with a through hole (29), and the telescopic screw rod (19) is movably inserted in the through hole (29).

7. The giant hydropower station water turbine tail water disc type valve of claim 6, wherein: the equal fixed mounting in both sides of perforation (29) has stopper (28), four stopper (28) are located the both sides of telescopic screw rod (19) are the symmetric distribution.

8. The giant hydropower station water turbine tail water disc type valve of claim 7, wherein: limiting grooves (25) are formed in two sides of the surface of the telescopic screw rod (19), and limiting blocks (28) are movably inserted into the limiting grooves (25).

9. The giant hydropower station water turbine tail water disc type valve of claim 1, wherein: the valve seat is characterized in that connecting rods (5) are fixedly mounted on two sides of the upper end of the valve seat (1), and the valve disc (2) is movably inserted between the four connecting rods (5).