CN220890387U

CN220890387U - Water turbine water inlet trash rack device

Info

Publication number: CN220890387U
Application number: CN202322804260.1U
Authority: CN
Inventors: 简祥华; 吴剑峰; 李柏兵; 纪元培
Original assignee: Dehong Hongsheng Dayingjiang Second Stage Power Station Development Co ltd
Current assignee: Dehong Hongsheng Dayingjiang Second Stage Power Station Development Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-05-03
Anticipated expiration: 2033-10-19

Abstract

The utility model provides a water turbine water inlet trash rack device, which relates to the technical field of trash equipment and comprises a sleeve and a water turbine water inlet pipe, wherein a fixing piece is arranged between the sleeve and the input end of the water turbine water inlet pipe, and a trash blocking component is arranged at the upper end of the sleeve; make the driving medium work through the driving piece, make the screw sleeve rotate then, through threaded connection between screw sleeve and the nut seat for the connecting rod is from the inside flexible of screw sleeve, further makes to prop the post and offsets with the hydraulic turbine inlet tube, thereby can make equipment to install on the hydraulic turbine inlet tube of different specifications, improve equipment's practicality.

Description

Water turbine water inlet trash rack device

Technical Field

The utility model relates to the field of trash equipment, in particular to a trash rack device for a water inlet of a water turbine.

Background

The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. Modern hydraulic turbines are mostly installed in hydropower stations and used for driving generators to generate electricity, sundries such as pasture and water plants and drifting wood in water are required to be intercepted in the working process of the hydraulic turbines, so that the hydraulic turbines are prevented from being damaged, as disclosed in Chinese patent publication No. CN114439668A, a trash rack for the hydraulic turbines is driven to longitudinally move back and forth by starting a driving mechanism in a movable cleaning assembly, dirt is pushed into dirt collecting grooves on two sides of a filtering part, and therefore the dirt on the filtering part is cleaned, the filtering efficiency of a first trash rack body is prevented from being influenced due to accumulation of a large amount of dirt, and manual cleaning is not needed.

However, the traditional equipment has larger volume when in use, and the practicability of the equipment is reduced because the inner diameter specification of the water inlet of the water turbine is different and the sewage blocking structure with different specifications is needed to be matched when in use.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a water turbine water inlet trash rack device, which solves the problems proposed by the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the trash rack device for the water inlet of the water turbine comprises a sleeve and a water inlet pipe of the water turbine, wherein a fixing piece is arranged between the sleeve and the input end of the water inlet pipe of the water turbine, and a trash rack assembly is arranged at the upper end of the sleeve;

The sewage blocking assembly comprises a spherical sewage blocking net fixed at the upper end of the sleeve, a connecting frame is arranged at the joint of the spherical sewage blocking net and the sleeve, a rotating shaft is rotatably arranged on the connecting frame, the upper end of the rotating shaft penetrates through the top end of the spherical sewage blocking net and is fixedly provided with a curved rod, a brush matched with the spherical sewage blocking net is fixed on the inner side of the curved rod, a necking pipe is fixed on the inner top end of the sleeve, and the lower end of the rotating shaft extends to the inner side of the necking pipe and is provided with turbine blades;

the fixing piece comprises sliding holes symmetrically formed in two sides of the sleeve, the connecting rods are slidably mounted on the sliding holes, one ends of the connecting rods extend to the inside of the sleeve and are provided with arc-shaped frames, two ends of each arc-shaped frame are respectively fixed with a supporting column which abuts against the outer wall of the water inlet pipe of the water turbine, and the back side of the sleeve is fixedly provided with a transmission piece used for driving the two connecting rods to slide.

As a further technical scheme of the utility model, the transmission part comprises a transmission box fixed on the outer side of the sleeve, threaded sleeves are rotatably arranged in the transmission box near the two ends, one end of the connecting rod extends into the threaded sleeves and is fixedly provided with a nut seat in threaded connection with the threaded sleeves, and a driving part for driving the two threaded sleeves to synchronously rotate is also arranged in the transmission box.

As a further technical scheme of the utility model, the driving piece comprises a double-shaft motor fixed in the transmission case, the output end of the double-shaft motor is symmetrically provided with a driving shaft, the outer side of the driving shaft is fixedly sleeved with a worm, the position, close to two ends, of the transmission case is symmetrically rotatably provided with a linkage shaft, one end of the linkage shaft is fixedly sleeved with a worm wheel meshed with the worm, the other end of the linkage shaft is fixedly provided with a second bevel gear, and the outer side of the threaded sleeve is fixedly sleeved with a first bevel gear meshed with the second bevel gear.

As a further technical scheme of the utility model, the outer side of the connecting rod is symmetrically provided with guide rails, and the inner side of the sliding hole is symmetrically provided with guide blocks which are in sliding connection with the guide rails.

As a further technical scheme of the utility model, the inner diameter of the upper end of the necking pipe is three times of the inner diameter of the lower end of the necking pipe, and a rubber pad propped against the upper end of a water inlet pipe of the water turbine is fixedly sleeved on the outer surface of the necking pipe.

As a further technical scheme of the utility model, the supporting column is of a cylindrical structure, and the surface of the supporting column is sleeved with an anti-slip pad.

The utility model provides a water turbine water inlet trash rack device, which has the following advantages compared with the prior art

The beneficial effects are that:

1. According to the trash rack device for the water inlet of the water turbine, trash operations are conducted on the water inlet of the water turbine through the spherical trash rack, in the process, water flow impacts turbine blades to enable a rotating shaft to rotate, so that a curved rod and a hairbrush are driven to rotate, cleaning of sundries on the surface of the spherical trash rack can be achieved, and then labor burden is relieved.

2. According to the water inlet trash rack device for the water turbine, the driving piece is used for enabling the driving piece to work, the threaded sleeve is enabled to rotate, the connecting rod stretches out and draws back from the inside of the threaded sleeve through threaded connection between the threaded sleeve and the nut seat, the supporting column is further enabled to support against the water inlet pipe of the water turbine, and therefore equipment can be installed on the water inlet pipe of the water turbine in different specifications, and the practicability of the equipment is improved.

Drawings

FIG. 1 is a schematic structural view of a water turbine inlet trash rack device;

FIG. 2 is a schematic view of the internal structure of a sleeve in a water turbine inlet trash rack device;

FIG. 3 is a schematic diagram of the structure of the driving member in the water turbine inlet trash rack device;

fig. 4 is an enlarged schematic view of the structure of the water turbine inlet trash rack device at a in fig. 3.

In the figure: 1. a sleeve; 2. a spherical dirt blocking net; 3. a water inlet pipe of the water turbine; 4. a transmission case; 5. a rotating shaft; 6. a curved bar; 7. a brush; 8. a connecting frame; 9. a necking pipe; 10. a turbine blade; 11. a rubber pad; 12. a biaxial motor; 13. a drive shaft; 14. a first bevel gear; 15. a worm; 16. a linkage shaft; 17. a worm wheel; 18. an arc-shaped frame; 19. abutting the column; 20. a connecting rod; 21. a slide hole; 22. a threaded sleeve; 23. a nut seat; 24. and a second bevel gear.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the trash rack device for the water inlet of the water turbine comprises a sleeve 1 and a water inlet pipe 3 of the water turbine, wherein a fixing piece is arranged between the sleeve 1 and the input end of the water inlet pipe 3 of the water turbine, and a trash rack assembly is arranged at the upper end of the sleeve 1;

the sewage blocking assembly comprises a spherical sewage blocking net 2 fixed at the upper end of a sleeve 1, a connecting frame 8 is arranged at the joint of the spherical sewage blocking net 2 and the sleeve 1, a rotating shaft 5 is rotatably arranged on the connecting frame 8, the upper end of the rotating shaft 5 penetrates through the top end of the spherical sewage blocking net 2 and is fixedly provided with a curved rod 6, a brush 7 matched with the spherical sewage blocking net 2 is fixedly arranged on the inner side of the curved rod 6, a necking pipe 9 is fixedly arranged on the inner top end of the sleeve 1, the lower end of the rotating shaft 5 extends to the inner side of the necking pipe 9 and is provided with turbine blades 10, when the water turbine works, water flow is input from a water inlet pipe 3 of the water turbine, and at the moment, the water flow speed is accelerated under the arrangement of the necking pipe 9, so that the turbine blades 10 rotate, and further the rotating shaft 5 is driven to rotate, so that the curved rod 6 drives the brush 7 to rotate on the spherical sewage blocking net 2, so that the surface impurities of the spherical sewage blocking net 2 can be removed, and the practicability of equipment is improved;

The mounting is including the symmetry sets up the slide opening 21 in sleeve 1 both sides, slidable mounting has connecting rod 20 on the slide opening 21, and the one end of connecting rod 20 extends to sleeve 1's inside and installs arc frame 18, and arc frame 18's both ends all are fixed with the support post 19 that offsets with the hydraulic turbine inlet tube 3 outer wall, and sleeve 1's dorsal part is fixed with and is used for driving two connecting rod 20 gliding driving medium, makes connecting rod 20 follow screw sleeve 22 inside output through the driving medium, further makes arc frame 18 drive support post 19 and hydraulic turbine inlet tube 3 outer wall offset, realizes the fixed mounting of equipment.

As shown in fig. 3 and 4, the transmission member includes a transmission case 4 fixed on the outside of the sleeve 1, a threaded sleeve 22 is rotatably installed in the transmission case 4 near both ends, one end of the connecting rod 20 extends to the inside of the threaded sleeve 22 and is fixed with a nut seat 23 screwed with the threaded sleeve 22, a driving member for driving the two threaded sleeves 22 to rotate synchronously is further provided in the transmission case 4, the threaded sleeve 22 is rotated by the driving member, and the connecting rod 20 can be output from the inside of the threaded sleeve 22 by the threaded connection between the threaded sleeve 22 and the nut seat 23.

As shown in fig. 3 and 4, the driving member includes a double-shaft motor 12 fixed inside a transmission case 4, a driving shaft 13 is symmetrically installed at an output end of the double-shaft motor 12, a worm 15 is fixedly sleeved on an outer side of the driving shaft 13, a coupling shaft 16 is symmetrically rotatably installed inside the transmission case 4 near both end positions, one end of the coupling shaft 16 is fixedly sleeved with a worm wheel 17 meshed with the worm 15, the other end of the coupling shaft 16 is fixedly provided with a second bevel gear 24, a first bevel gear 14 meshed with the second bevel gear 24 is fixedly sleeved on an outer side of a threaded sleeve 22, the double-shaft motor 12 is started to rotate the driving shaft 13, the worm 15 is rotated through the driving shaft 13, the worm wheel 17 is driven to rotate through the meshing between the worm 15 and the worm wheel 17, so that the second bevel gear 24 is rotated, and the threaded sleeve 22 is rotated through the meshing between the second bevel gear 24 and the first bevel gear 14.

As shown in fig. 3, the outer side of the connecting rod 20 is symmetrically provided with guide rails, the inner side of the sliding hole 21 is symmetrically provided with guide blocks in sliding connection with the guide rails, and the stability of the connecting rod 20 during movement is improved under the sliding connection between the guide rails and the guide blocks.

As shown in fig. 2, the inner diameter of the upper end of the necking pipe 9 is three times of the inner diameter of the lower end of the necking pipe, so that the flow speed of water passing can be accelerated, a rubber pad 11 propped against the upper end of the water inlet pipe 3 of the water turbine is fixedly sleeved on the outer surface of the necking pipe 9, and the sealing effect of the water inlet pipe 3 of the water turbine and the installation position of equipment can be improved under the arrangement of the rubber pad 11.

As shown in fig. 3 and 4, the support column 19 has a cylindrical structure, and an anti-slip pad is sleeved on the surface of the support column 19, so that the stability of connection between the support column 19 and the water inlet pipe 3 of the water turbine is improved.

The working principle of the utility model is as follows: when the device is used, the sleeve 1 is sleeved on the water turbine water inlet pipe 3, the lower end of the necking pipe 9 is inserted into the water turbine water inlet pipe 3, under the arrangement of the necking pipe 9 and the rubber pad 11, sealing of the joint of the water turbine water inlet pipe 3 and the device can be achieved, the double-shaft motor 12 is started to enable the driving shaft 13 to rotate, the worm 15 is enabled to rotate through the driving shaft 13, the worm wheel 17 is enabled to drive the linkage shaft 16 to rotate through meshing between the worm 15 and the worm wheel 17, the second bevel gear 24 is enabled to rotate, the threaded sleeve 22 is enabled to rotate through meshing between the second bevel gear 24 and the first bevel gear 14, the connecting rod 20 can be enabled to output from the inside of the threaded sleeve 22 under sliding connection between the guide rail and the guide block, the arc-shaped frame 18 is further enabled to drive the supporting column 19 to abut against the outer wall of the water turbine water inlet pipe 3, the device is fixedly installed, when the water flow is enabled to be input from the water turbine water inlet pipe 3, at the moment, the speed of the water flow is accelerated under the arrangement of the necking pipe 9, the turbine blades 10 are enabled to rotate, the rotating shaft 5 is further driven to rotate, the curved rod 6 is enabled to drive the rotating shaft 5, the dirt blocking rod 7 is enabled to rotate, the dirt blocking net 2 is enabled to be driven to rotate, and the dirt blocking net 2 is enabled to be practical, and the dirt blocking net is prevented from being driven, and the dirt blocking net is effectively, and the dirt blocking net is prevented from being caused.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated in the present application are all implemented by conventional means in the art unless specifically indicated and limited.

Claims

1. The trash rack device for the water inlet of the water turbine comprises a sleeve (1) and a water inlet pipe (3) of the water turbine, and is characterized in that a fixing piece is arranged between the sleeve (1) and the input end of the water inlet pipe (3) of the water turbine, and a trash rack assembly is arranged at the upper end of the sleeve (1);

The sewage blocking assembly comprises a spherical sewage blocking net (2) fixed at the upper end of a sleeve (1), a connecting frame (8) is installed at the joint of the spherical sewage blocking net (2) and the sleeve (1), a rotating shaft (5) is rotatably installed on the connecting frame (8), the upper end of the rotating shaft (5) penetrates through the top end of the spherical sewage blocking net (2) and is fixedly provided with a curved rod (6), the inner side of the curved rod (6) is fixedly provided with a hairbrush (7) matched with the spherical sewage blocking net (2), the inner top end of the sleeve (1) is fixedly provided with a necking pipe (9), and the lower end of the rotating shaft (5) extends to the inner side of the necking pipe (9) and is provided with turbine blades (10);

The fixing piece comprises sliding holes (21) symmetrically formed in two sides of the sleeve (1), connecting rods (20) are slidably mounted on the sliding holes (21), one ends of the connecting rods (20) extend to the inside of the sleeve (1) and are provided with arc-shaped frames (18), two ends of each arc-shaped frame (18) are respectively fixed with a supporting column (19) propped against the outer wall of the water inlet pipe (3) of the water turbine, and transmission pieces for driving the two connecting rods (20) to slide are fixed on the back side of the sleeve (1).

2. The water turbine water inlet trash rack device according to claim 1, wherein the transmission part comprises a transmission box (4) fixed on the outer side of the sleeve (1), threaded sleeves (22) are rotatably installed in the transmission box (4) at positions close to two ends, one end of the connecting rod (20) extends to the inner part of each threaded sleeve (22) and is fixedly provided with a nut seat (23) in threaded connection with each threaded sleeve (22), and a driving part for driving the two threaded sleeves (22) to synchronously rotate is further arranged in the transmission box (4).

3. The water turbine water inlet trash rack device according to claim 2, wherein the driving piece comprises a double-shaft motor (12) fixed inside a transmission case (4), a driving shaft (13) is symmetrically installed at the output end of the double-shaft motor (12), a worm (15) is fixedly sleeved on the outer side of the driving shaft (13), a linkage shaft (16) is symmetrically rotatably installed at the position, close to two ends, inside the transmission case (4), a worm wheel (17) meshed with the worm (15) is fixedly sleeved on one end of the linkage shaft (16), a second bevel gear (24) is fixed on the other end of the linkage shaft (16), and a first bevel gear (14) meshed with the second bevel gear (24) is fixedly sleeved on the outer side of the threaded sleeve (22).

4. The water turbine water inlet trash rack device according to claim 1, wherein guide rails are symmetrically arranged on the outer sides of the connecting rods (20), and guide blocks which are in sliding connection with the guide rails are symmetrically arranged on the inner sides of the sliding holes (21).

5. The water inlet trash rack device of the water turbine according to claim 1, characterized in that the inner diameter of the upper end of the necking pipe (9) is three times of the inner diameter of the lower end of the necking pipe, and a rubber pad (11) propped against the upper end of the water inlet pipe (3) of the water turbine is fixedly sleeved on the outer surface of the necking pipe (9).

6. The water turbine water inlet trash rack device according to claim 1, wherein the supporting column (19) is of a cylindrical structure, and an anti-slip pad is sleeved on the surface of the supporting column (19).