CN215370093U

CN215370093U - Safe blocking device for volute door of power plant unit

Info

Publication number: CN215370093U
Application number: CN202120182657.XU
Authority: CN
Inventors: 唐宏林
Original assignee: Leiyang Branch Of Datang Huayin Electric Power Co ltd
Current assignee: Leiyang Branch Of Datang Huayin Electric Power Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-12-31
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a safety resisting device for a volute door of a power plant unit, and particularly relates to the technical field of volute doors. The utility model can effectively resist the volute door, enhances the stability and the resistance of the device, avoids or delays the influence of water entering the power plant, reduces the damage to the generator set, has stronger flexibility and operability, increases the contact area of the volute door and the ground, improves the stress effect of the volute door, enhances the resistance and the safety of the volute door, and improves the sealing performance of the device.

Description

Safe blocking device for volute door of power plant unit

Technical Field

The utility model relates to the technical field of volute doors, in particular to a safe blocking device for a volute door of a power plant unit.

Background

The volute casing has wide application range, and the volute casing can ensure that water is uniformly supplied to the water guide mechanism, so that the section of the volute casing is gradually reduced, and meanwhile, the volute casing can form necessary annular quantity in front of the water guide mechanism so as to reduce the working strength of the water guide mechanism. The volute generally adopts an outward-opening volute door.

But when the in-service use, in order to reach the demand of its self function, volute door is usually great from physical size and quality, and it is fixed comparatively simply, and stability and resistance performance are general, have certain potential safety hazard, adjust inconvenient nimble, and when using, the vibrations of production are great, cause damage and not hard up to the fixed department easily, shorten volute door life to influence the normal use of volute door, leakproofness and operability are general.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a safety device for a volute door of a power plant unit, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a power plant unit spiral case door safety blocking device, includes the door frame, the inside of door frame is equipped with the spiral case door, just the equal fixedly connected with a plurality of connecting blocks in one side of door frame and spiral case door surface, the inside of connecting block is rotated and is connected with the movable rod, the surperficial threaded connection of movable rod has a plurality of dogs, just the dog is located the both sides of connecting block, the top fixedly connected with auxiliary rod of spiral case door, the outer fixed surface of spiral case door is connected with handle and fixed block, just the inside of spiral case door is equipped with chucking device, the power device who drives chucking device motion is worn to be equipped with in the inside of fixed block and spiral case door, the surface of spiral case door is equipped with fixing device.

Further, the chucking device includes the brace table of fixed connection inside the volute door, the screw rod of the inside fixedly connected with symmetry of brace table, just the fixed cover in surface of screw rod has connect driven gear, the surperficial threaded connection of screw rod has the carrier block, just one side fixedly connected with kelly that driven gear was kept away from to the carrier block, the one end fixedly connected with restriction piece that the carrier block was kept away from to the screw rod, just the surperficial swing joint of restriction piece is in the inside of kelly, the other end joint of kelly is inside the door frame.

Furthermore, the power device comprises a driving rod penetrating through the fixed block and the interior of the volute door, a driving gear is sleeved on the surface of one end, close to the driven gear, of the driving rod, the driving gear is meshed with the surface of the driven gear, and a handle is fixedly connected to one end, far away from the volute door, of the driving rod.

Further, fixing device includes the fixed station of fixed connection at spiral case door surface, the inside threaded connection of fixed station has the connecting rod, the top fixedly connected with of connecting rod adjusts the pole, just the bottom fixedly connected with regulator of connecting rod, the inside of regulator articulates there is the fixed bolster.

Further, the outer fixed surface of spiral case door is connected with a plurality of connectors, the inside of connector articulates there is the bracing piece, the other end fixed connection of bracing piece is in one side of fixed station, the fixed surface of bracing piece is connected with the spring of symmetry, just the opposite side fixed connection of spring is in one side of fixed station.

Furthermore, a sealing ring is arranged inside the door frame.

Furthermore, the surfaces of the handle and the adjusting rod and the bottom of the fixing pad are provided with anti-skid convex lines.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through setting up the chucking device, not only can effectively keep out the spiral case door, the compactness of spiral case door and door frame has been improved, the stability and the performance of keeping out of device have been strengthened, still avoid or delay the influence that the entering of water caused in to the power plant, reduce the damage to generating set, the security of inside has been improved, set up power device, can adjust the chucking device according to needs, and convenient for operation has reduced the degree of difficulty that the spiral case door kept out the regulation, and save time, flexibility and maneuverability are stronger.

2, compared with the prior art, through setting up fixing device, not only increased the area of contact of spiral case door with ground, improve the atress effect of spiral case door, strengthened the performance of keeping out of spiral case door, still be convenient for adjust and support the spiral case door, increased the bearing capacity and the bearing capacity of spiral case door, reduce the damage of spiral case door junction, the security and the life of whole device have been improved, set up bracing piece and spring etc., effectively slow down vibrations, reduce the rocking of whole device and become flexible, the security and the stability of spiral case door use have been improved, set up the sealing washer, effectively fill the seal to the gap department, reduce the seepage of water, the sealing performance of whole device has been improved, set up anti-skidding burr, not only strengthened the friction and the grabbing power of device with hand or instrument, convenient operation, still improved the grabbing ability of fixed bolster, the stability and the power of keeping out of device have been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a specific structure of the door frame of the present invention.

Fig. 3 is a schematic side view of the volute door according to the present invention.

FIG. 4 is a schematic view of a partial cross-sectional structure of the volute door of the present invention.

Fig. 5 is a schematic structural diagram of the chucking device of the present invention.

Fig. 6 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 7 is a schematic view of a specific structure of the support bar of the present invention.

The reference signs are:

1. a door frame; 2. a volute door; 3. connecting blocks; 4. a movable rod; 5. a stopper; 6. an auxiliary lever; 7. a handle; 8. a fixed block; 9. a support table; 10. a screw; 11. a driven gear; 12. a bearing block; 13. a clamping rod; 14. a limiting block; 15. a drive rod; 16. a driving gear; 17. a handle; 18. a fixed table; 19. a connecting rod; 20. adjusting a rod; 21. a regulator; 22. a fixing pad; 23. a connector; 24. a support bar; 25. a spring; 26. a seal ring; 27. anti-skid wales.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, an embodiment of the present invention provides a safety blocking device for a volute door of a power plant unit, including a door frame 1, a volute door 2 is disposed inside the door frame 1, a plurality of connecting blocks 3 are fixedly connected to one side of outer surfaces of the door frame 1 and the volute door 2, a movable rod 4 is rotatably connected inside the connecting blocks 3, a plurality of stoppers 5 are threadedly connected to a surface of the movable rod 4, the stoppers 5 are located on two sides of the connecting blocks 3, an auxiliary rod 6 is fixedly connected to a top of the volute door 2, a handle 7 and a fixing block 8 are fixedly connected to an outer surface of the volute door 2, a clamping device is disposed inside the volute door 2, a power device for driving the clamping device to move is disposed inside the fixing block 8 and the volute door 2, and a fixing device is disposed on an outer surface of the volute door 2.

As shown in fig. 5, the chucking device includes a support base 9 fixedly coupled to the inside of the volute door 2, symmetrical screws 10 fixedly coupled to the inside of the support base 9, a driven gear 11 is fixedly sleeved on the surface of the screw rod 10, a bearing block 12 is connected on the surface of the screw rod 10 in a threaded manner, a clamping rod 13 is fixedly connected on one side of the bearing block 12 far away from the driven gear 11, a limiting block 14 is fixedly connected on one end of the screw rod 10 far away from the bearing block 12, the surface of the limiting block 14 is movably connected inside the clamping rod 13, the other end of the clamping rod 13 is clamped inside the door frame 1, so that not only can effectively keep out spiral case door 2, improved the compactness of spiral case door 2 with door frame 1, strengthened the stability and the performance of keeping out of device, still avoid or delay the influence that the entering of water caused in to the power plant, reduce the damage to generating set, improved inside security.

In a preferred embodiment, power device includes and wears to locate fixed block 8 and the inside actuating lever 15 of spiral case door 2, the driving gear 16 has been cup jointed on the surface of the one end that actuating lever 15 is close to driven gear 11, and the surface meshing of driving gear 16 and driven gear 11 is connected, the one end fixedly connected with handle 17 of spiral case door 2 is kept away from to actuating lever 15, so that can adjust chucking device according to needs, and convenient for operation has reduced the degree of difficulty that spiral case door 2 kept off the regulation, and save time, flexibility and maneuverability are stronger.

As shown in fig. 6, the fixing device includes a fixing table 18 fixedly connected to the outer surface of the volute door 2, the internal thread of the fixing table 18 is connected with a connecting rod 19, the top of the connecting rod 19 is fixedly connected with an adjusting rod 20, the bottom of the connecting rod 19 is fixedly connected with an adjuster 21, the adjuster 21 is hinged to a fixing pad 22, so that the contact area between the volute door 2 and the ground is increased, the stress effect of the volute door 2 is improved, the resisting performance of the volute door 2 is enhanced, the volute door 2 is convenient to adjust and support, the bearing capacity and the bearing capacity of the volute door 2 are increased, the damage of the joint of the volute door 2 is reduced, and the safety and the service life of the whole device are improved.

As shown in fig. 7, a plurality of connectors 23 are fixedly connected to the outer surface of the volute door 2, a supporting rod 24 is hinged to the inside of each connector 23, the other end of each supporting rod 24 is fixedly connected to one side of the fixing table 18, the symmetrical springs 25 are fixedly connected to the surfaces of the supporting rods 24, and the other sides of the springs 25 are fixedly connected to one side of the fixing table 18, so that vibration is effectively reduced, shaking looseness of the whole device is reduced, and safety and stability of use of the volute door are improved.

In a preferred embodiment, the inside of the door frame 1 is provided with a sealing ring 26, so that the gap is effectively filled and sealed, the seepage of water is reduced, and the sealing performance of the whole device is improved.

In a preferred embodiment, the surface of the handle 17 and the adjustment lever 20 and the bottom of the fixing pad 22 are provided with anti-slip ribs 27, so as to not only enhance the friction and grasping force with the hand or tool of the device, facilitate the operation, but also improve the grasping and attaching ability of the fixing pad, and improve the stability and resisting force of the device.

The working process of the utility model is as follows:

when the volute door 2 is closed, a certain force is applied to the handle 17 to drive the driving rod 15 and the driving gear 16 to rotate, the driving gear 16 drives the two driven gears 11 and the screw rod 10 to rotate, the screw rod 10 rotates to drive the bearing block 12 to do linear reciprocating motion, so that the clamping rod 13 on the screw rod is driven to be clamped in or separated from the door frame 1, the limiting block 14 limits the moving range of the bearing block 12, the adjusting rod 20 is applied with a certain force to drive the connecting rod 19 and the fixing pad 22 to be lifted and adjusted, the fixing pad 22 is fixed to be attached to the ground, the fixing pad 22 can be rotatably adjusted and the like, when the volute door 2 is used, the supporting rod 24 and the spring 25 absorb shock, and the sealing ring 26 seals between the door frame 1 and the volute door 2.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The safe blocking device for the volute door of the power plant unit comprises a door frame (1) and is characterized in that the volute door (2) is arranged inside the door frame (1), a plurality of connecting blocks (3) are fixedly connected to one sides of the outer surfaces of the door frame (1) and the volute door (2), a movable rod (4) is rotatably connected to the inside of each connecting block (3), a plurality of stop blocks (5) are connected to the surface of each movable rod (4) in a threaded manner, the stop blocks (5) are located on two sides of each connecting block (3), an auxiliary rod (6) is fixedly connected to the top of the volute door (2), a handle (7) and a fixed block (8) are fixedly connected to the outer surface of the volute door (2), a clamping device is arranged inside the volute door (2), and a power device for driving the clamping device to move is arranged inside each fixed block (8) and the volute door (2) in a penetrating manner, and a fixing device is arranged on the outer surface of the volute door (2).

2. The safe blocking device for the volute door of the power plant unit as claimed in claim 1, wherein the clamping device includes a support platform (9) fixedly connected inside the volute door (2), the support platform (9) is fixedly connected with symmetrical screws (10), the surface of the screw (10) is fixedly connected with a driven gear (11), the surface of the screw (10) is in threaded connection with a bearing block (12), one side of the bearing block (12) far away from the driven gear (11) is fixedly connected with a clamping rod (13), one end of the screw (10) far away from the bearing block (12) is fixedly connected with a limiting block (14), the surface of the limiting block (14) is movably connected inside the clamping rod (13), and the other end of the clamping rod (13) is clamped inside the door frame (1).

3. The safety device for the volute door of the power plant unit according to claim 2, wherein the power device comprises a driving rod (15) penetrating through the fixing block (8) and the inside of the volute door (2), a driving gear (16) is sleeved on one end surface of the driving rod (15) close to the driven gear (11), the driving gear (16) is meshed with the surface of the driven gear (11), and a handle (17) is fixedly connected to one end of the driving rod (15) far away from the volute door (2).

4. The power plant unit volute door safety catch according to claim 3, wherein the fixing device comprises a fixing table (18) fixedly connected to the outer surface of the volute door (2), a connecting rod (19) is connected to the inside of the fixing table (18) in a threaded manner, an adjusting rod (20) is fixedly connected to the top of the connecting rod (19), a regulator (21) is fixedly connected to the bottom of the connecting rod (19), and a fixing pad (22) is hinged to the inside of the regulator (21).

5. The safety catch device for the volute door of the power plant unit according to claim 4, wherein a plurality of connectors (23) are fixedly connected to the outer surface of the volute door (2), a support rod (24) is hinged to the inside of each connector (23), the other end of each support rod (24) is fixedly connected to one side of the fixing table (18), symmetrical springs (25) are fixedly connected to the surface of each support rod (24), and the other end of each spring (25) is fixedly connected to one side of the fixing table (18).

6. The power plant unit volute door safety catch according to claim 5, wherein the door frame (1) is provided with a sealing ring (26) on the inside.

7. The power plant unit volute door safety catch according to claim 6, wherein the surfaces of the handle (17) and the adjustment rod (20) and the bottom of the fixing pad (22) are provided with anti-slip ribs (27).