CN212027969U

CN212027969U - Horizontal water turbine water seal device

Info

Publication number: CN212027969U
Application number: CN202020364069.3U
Authority: CN
Inventors: 谢光辉; 李迈星; 杨朝阳; 季峰; 肖何; 张强
Original assignee: DATANG CHENCUN HYDROPOWER PLANT
Current assignee: DATANG CHENCUN HYDROPOWER PLANT
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-27
Anticipated expiration: 2030-03-20

Abstract

The utility model provides a horizontal water turbine water seal device, which comprises an installation barrel with an opening at the upper end, wherein the bottom of the installation barrel is provided with a round hole, the inner wall of the round hole is fixedly provided with a rubber inflation ring, the rubber inflation ring is sleeved on a pipe fitting, the rubber inflation ring is provided with a gas pipe, and the gas pipe is provided with a gas valve; a cylinder cover with an opening at one end is arranged in the installation cylinder, the cylinder cover is covered on the outer side of the pipe fitting, positioning blocks are arranged on two sides of the cylinder cover, an insertion rod capable of horizontally stretching is arranged on each positioning block, a limiting block is arranged on the inner wall of the installation cylinder, and a slot matched with the insertion rod is formed in each limiting block; the positioning block is internally provided with a driving cavity, the driving cavity is internally provided with a driving structure and a threaded sleeve connected with the driving structure, and the threaded sleeve is connected with the inserted rod through threads. The utility model discloses make things convenient for water seal arrangement and pipe fitting installation and dismantlement, convenient operation has fine sealed effect to the port of pipe fitting simultaneously, and the structure is firm, improves the quality of use, convenient the maintenance.

Description

Horizontal water turbine water seal device

Technical Field

The utility model relates to a hydraulic turbine technical field especially indicates a horizontal hydraulic turbine water seal arrangement.

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. As early as 100 years before the Yuan, China has developed a rudiment of a water turbine, namely a water wheel, which is used for pumping irrigation and driving grain processing equipment. 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 higher the water head and the larger the flow, the larger the output power of the water turbine is.

The existing horizontal water turbine is poor in air tightness through spiral sealing when a pipe fitting is sealed, although a gasket is arranged, the sealing gasket is easily corroded and damaged after being used for a long time, the sealing performance is poor, the installation is inconvenient, and therefore the problem is solved by the water sealing device for the horizontal water turbine.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a horizontal hydraulic turbine water seal arrangement adopts spiral seal usually in order to solve current horizontal hydraulic turbine when the pipe fitting is sealed, and the gas tightness is relatively poor, and seal ring is corroded the damage easily, and installs inconvenient problem.

In order to solve the technical problem, the utility model provides a following technical scheme:

a water seal device of a horizontal water turbine comprises an installation barrel with an opening at the upper end, wherein a round hole is formed in the bottom of the installation barrel, a rubber inflation ring is fixedly installed on the inner wall of the round hole, the rubber inflation ring is sleeved on a pipe fitting, an air pipe is arranged on the rubber inflation ring, and an air valve is arranged on the air pipe; a cylinder cover with an opening at one end is arranged in the installation cylinder, the cylinder cover is covered on the outer side of the pipe fitting, positioning blocks are arranged on two sides of the cylinder cover, an insertion rod capable of horizontally stretching is arranged on each positioning block, a limiting block is arranged on the inner wall of the installation cylinder, and a slot matched with the insertion rod is formed in each limiting block; specifically, a driving cavity is arranged in the positioning block, a driving structure and a threaded sleeve connected with the driving structure are arranged in the driving cavity, and the threaded sleeve is connected with the inserted rod through threads.

Wherein, drive intracavity fixed mounting has the guide arm of level setting, sliding sleeve is equipped with the connecting block on the guide arm, the connecting block with inserted bar fixed connection, offer on the locating piece and be used for the sliding hole that the inserted bar passed, the inserted bar with the inner wall sliding connection of sliding hole.

The driving structure comprises a vertically arranged push rod motor, a push rod of the push rod motor is connected with a rack, and a gear meshed with the rack is arranged on the threaded sleeve.

The inner wall of the bottom of the driving cavity is fixedly provided with a vertical plate which is vertically arranged, the vertical plate is provided with a mounting hole, a bearing is arranged in the mounting hole, and the inner ring of the bearing is fixedly connected with the outer wall of the threaded sleeve.

The anti-skidding sleeve is arranged on the handle, and the handle is of an arc-shaped structure.

Wherein the cross section of the cylinder cover is circular.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the above scheme, horizontal hydraulic turbine water seal arrangement aerifys the circle through rubber and seals the pipe fitting, convenient operation, and the installation and the dismantlement of being convenient for have fine sealed effect to the port of pipe fitting simultaneously, and the structure is firm, improves the quality of use, convenient maintenance.

Drawings

Fig. 1 is a schematic structural view of a horizontal water turbine water seal device of the present invention;

FIG. 2 is a partial schematic view of FIG. 1 at A;

fig. 3 is the internal structure schematic diagram of the positioning block of the water seal device of the horizontal water turbine of the present invention.

[ reference numerals ]

1. Mounting the cylinder; 2. a circular hole; 3. a rubber inflatable ring; 4. a pipe fitting; 5. an air tube; 6. an air valve; 7. a cylinder cover; 8. a handle; 9. a limiting block; 10. a slot; 11. positioning blocks; 12. inserting a rod; 13. a drive chamber; 14. a threaded bushing; 15. a gear; 16. a rack; 17. a push rod motor; 18. a guide bar; 19. connecting blocks; 20. a riser.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the embodiment of the utility model provides a horizontal hydraulic turbine water seal arrangement, including upper end open-ended installation section of thick bamboo 1, round hole 2 has been seted up to the bottom of installation section of thick bamboo 1, fixed mounting has rubber gas ring 3 on the inner wall of round hole 2, 3 covers of rubber gas ring are established on pipe fitting 4, seal pipe fitting 4, be equipped with trachea 5 on the rubber gas ring 3, be equipped with pneumatic valve 6 on the trachea 5, through to inflate in the trachea 5, make the volume expansion of rubber gas ring 3, thereby the extrusion the outer wall of pipe fitting 4 can be installed on the pipe fitting of different internal diameters. When the rubber inflating ring is disassembled, the air valve 6 on the air pipe 5 is opened, so that the rubber inflating ring 3 can be contracted, and the disassembly is convenient, the operation is convenient, and the assembly and the disassembly are convenient.

Wherein, be equipped with one end open-ended cover 7 in the installation section of thick bamboo 1, cover 7 covers and establishes the 4 outsides of pipe fitting, locating piece 11 is installed to the both sides of cover 7, be equipped with the inserted bar 12 that can the level is flexible on the locating piece 11, install stopper 9 on the inner wall of an installation section of thick bamboo 1, seted up on the stopper 9 with the slot 10 of inserted bar 12 looks adaptation. The positioning block 11 and the barrel cover 7 are fixed in position in the installation barrel 1 through the insertion rod 12 entering and exiting the slot 10, water is added into the installation barrel 1, the height of the water is not higher than the top of the pipe fitting 4, the barrel cover 7 covers the pipe fitting 4, water sealing of the pipe fitting 4 is achieved, the barrel cover 7 can be taken down when the insertion rod 12 is separated from the slot 10, and the water sealing device is firm in structure, convenient to install and good in sealing effect.

As shown in fig. 3, a driving cavity 13 is arranged in the positioning block 11, a horizontally arranged threaded sleeve 14 is rotatably mounted in the driving cavity 13, one end of the inserted link 12, which is far away from the slot 10, is in threaded connection with the threaded sleeve 14, and a gear 15 is fixedly sleeved on the threaded sleeve 14. The driving cavity 13 is also internally provided with a vertically arranged push rod motor 17, a push rod of the push rod motor 17 is in transmission connection with a rack 16, the rack 16 is meshed with a gear 15, the rack 16 is driven to lift through the push rod motor 17, so that the gear 15 and a threaded sleeve 14 are driven to rotate, and the threaded sleeve 14 drives the inserted rod 12 to horizontally move.

As shown in fig. 3, a horizontally arranged guide rod 18 is fixedly installed in the driving cavity 13, a connecting block 19 is sleeved on the guide rod 18 in a sliding manner, the connecting block 19 is fixedly connected with the inserting rod 12, a sliding hole for the inserting rod 12 to pass through is formed in one side of the positioning block 11, and the inserting rod 12 is slidably connected with the inner wall of the sliding hole. The connecting block 19 is sleeved on the guide rod 18 in a sliding mode, so that the inserted rod 12 can move stably in the horizontal direction, and the sliding hole provides conditions for the horizontal movement of the inserted rod 12.

The inner wall of the bottom of the driving cavity 13 is fixedly provided with a vertical plate 20 in vertical arrangement, the vertical plate 20 is provided with a mounting hole, a bearing is arranged in the mounting hole, the inner ring of the bearing is fixedly connected with the outer wall of the threaded sleeve 14, and the threaded sleeve 14 is rotatably arranged on the vertical plate 20 through the bearing.

As shown in fig. 1, a handle 8 is fixedly installed at the top of the cylinder cover 7, the handle is of an arc-shaped structure, and an anti-slip sleeve is arranged on the handle 8; the cross section of the cylinder cover 7 is circular, and the vertical section is rectangular.

The utility model provides a horizontal hydraulic turbine water seal arrangement working process as follows:

when using, establish on pipe fitting 4 through 3 covers of ring is aerifyd to rubber, seal pipe fitting 4, inflate in giving trachea 5, the volume expansion of ring 3 is aerifyd to rubber for the inner circle that ring 3 was aerifyd to rubber extrudees the outer wall of pipe fitting 4, the realization is installed on pipe fitting 4, can install the pipe fitting of different internal diameters on, when dismantling, open trachea 5 and go up pneumatic valve 6 and make 3 contractions of ring are aerifyd to rubber, can dismantle down the connection of ring 3 and pipe fitting 4 is aerifyd to rubber, and convenient operation is convenient for install and dismantle. The rack 16 is driven to lift by the push rod motor 17, the gear 15 is driven to rotate, the threaded sleeve 14 drives the inserted rod 12 to move horizontally, the inserted rod 12 is sleeved on the guide rod 18 in a sliding mode through the connecting block 19, the inserted rod 12 moves stably in the horizontal direction, a sliding hole provides conditions for the horizontal movement of the inserted rod 12, the inserted rod 12 moves horizontally to enable the inserted rod 12 to enter and exit from the slot 10, when the inserted rod 12 enters the slot 10, the positioning block 11 and the cylinder cover 7 are fixed in position in the installation cylinder 1, water is added into the installation cylinder 1, the height of the water is not higher than the top of the pipe fitting 4, the cylinder cover 7 covers the pipe fitting 4, water sealing of the pipe fitting 4 is achieved, when the inserted rod 12 is separated from the slot 10, the cylinder cover 7 can be taken down, the structure is firm.

In the above scheme, through establish rubber inflation ring cover on the pipe fitting, seal the pipe fitting, inflate in the air pipe through giving the trachea, rubber inflation ring's volume expansion for rubber inflation ring's inner circle extrudees the outer wall of pipe fitting, realizes installing on the pipe fitting, can install on the pipe fitting of different internal diameters, when dismantling, open the trachea on the air pipe the air valve make rubber inflation ring shrink, can dismantle down rubber inflation ring and pipe fitting be connected, convenient operation, be convenient for installation and dismantlement.

Through the inserted bar business turn over slot, when the inserted bar got into the slot, realized that locating piece and cover are fixed in the position of an installation section of thick bamboo, added water in to an installation section of thick bamboo, the top of water highly not higher than the pipe fitting, through a cover of a section of thick bamboo hood on the pipe fitting, realize the water-stop to the pipe fitting, break away from the slot when the inserted bar, can take off the cover, the structure is firm, simple to operate, sealed effectual.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A water seal device of a horizontal water turbine comprises an installation barrel with an opening at the upper end, and is characterized in that a round hole is formed in the bottom of the installation barrel, a rubber inflation ring is fixedly installed on the inner wall of the round hole, the rubber inflation ring is sleeved on a pipe fitting, an air pipe is arranged on the rubber inflation ring, and an air valve is arranged on the air pipe;

a cylinder cover with an opening at one end is arranged in the installation cylinder, the cylinder cover is covered on the outer side of the pipe fitting, positioning blocks are arranged on two sides of the cylinder cover, an insertion rod capable of horizontally stretching is arranged on each positioning block, a limiting block is arranged on the inner wall of the installation cylinder, and a slot matched with the insertion rod is formed in each limiting block;

specifically, a driving cavity is arranged in the positioning block, a driving structure and a threaded sleeve connected with the driving structure are arranged in the driving cavity, and the threaded sleeve is connected with the inserted rod through threads.

2. The horizontal water turbine water seal device according to claim 1, wherein a horizontally arranged guide rod is fixedly installed in the driving cavity, a connecting block is slidably sleeved on the guide rod, the connecting block is fixedly connected with the insert rod, a sliding hole for the insert rod to pass through is formed in the positioning block, and the insert rod is slidably connected with the inner wall of the sliding hole.

3. The horizontal water turbine water seal device according to claim 1, wherein the driving structure includes a vertically arranged push rod motor, a push rod of the push rod motor is connected with a rack, and a gear engaged with the rack is arranged on the threaded sleeve.

4. The horizontal water turbine water seal device according to claim 1, wherein a vertically arranged vertical plate is fixedly mounted on an inner wall of the bottom of the drive chamber, a mounting hole is formed in the vertical plate, a bearing is arranged in the mounting hole, and an inner ring of the bearing is fixedly connected with an outer wall of the threaded sleeve.

5. The horizontal water turbine water seal device according to claim 1, wherein a handle is fixedly mounted on the top of the cylinder cover, an anti-slip sleeve is arranged on the handle, and the handle is of an arc-shaped structure.

6. The horizontal water turbine water seal assembly according to claim 1, wherein the cross section of the cylinder cover is circular.