CN214366515U

CN214366515U - Hydroelectric set damping device for hydraulic engineering

Info

Publication number: CN214366515U
Application number: CN202022694370.3U
Authority: CN
Inventors: 刘刚; 刘宗国; 刘业涛; 李方克
Original assignee: Individual
Current assignee: Shouxian Guohui Construction Engineering Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-10-08
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a hydraulic engineering technical field just discloses a hydroelectric set damping device for hydraulic engineering, which comprises an outer shell, the preceding lateral wall of shell is located the fixed plate of position fixedly connected with near the bottom, box body in the top inner wall fixedly connected with of shell, cavity formation between interior box body and the shell is inhaled the shake chamber, the bottom inner wall of interior box body is located the middle fixed connection of position fixing base, the top activity of fixing base is pegged graft and is had a sealed section of thick bamboo, the top fixedly connected with division board of a sealed section of thick bamboo, the inside of interior box body forms the shock chamber and is located the cavity of division board below. This hydroelectric set damping device for hydraulic engineering absorbs vibrations through inhaling the inside water of inhaling the chamber and the inside sand of shock attenuation chamber to reduce the size of vibrations outside transmission, thereby reduced vibrations to the influence of dam body, reduced the noise that the during operation produced simultaneously, improved staff operational environment's comfort level.

Description

Hydroelectric set damping device for hydraulic engineering

Technical Field

The utility model relates to a hydraulic engineering technical field specifically is a hydroelectric set damping device for hydraulic engineering.

Background

The vibrations that the generator produced at the in-process that generates electricity lead to generator inside to break down easily, vibrations still can send great noise simultaneously, influence operational environment to hydraulic engineering's generator is installed inside the dam usually, and generator vibrations still can influence dam structure's stability, influences the life of dam.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hydroelectric set damping device for hydraulic engineering has solved among the hydraulic engineering generator vibrations and has influenced the life of generator easily to still can cause the problem of influence to the stability of dam.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: a damping device of a hydroelectric generating set for hydraulic engineering comprises a shell, wherein a fixed plate is fixedly connected with the front side wall of the shell at a position close to the bottom, an inner box body is fixedly connected with the inner wall of the top of the shell, a shock absorption cavity is formed by a cavity between the inner box body and the shell, a fixed seat is fixedly connected with the inner wall of the bottom of the inner box body at the middle position, a sealing cylinder is movably inserted into the top of the fixed seat, a separation plate is fixedly connected with the top of the sealing cylinder, a shock absorption cavity is formed by the cavity inside the inner box body and below the separation plate, a movable socket is arranged at the top of the separation plate and at the middle position, a supporting pile is movably inserted into the movable socket, a hydraulic column is fixedly connected with the bottom of the supporting pile, and the bottom of the hydraulic column is fixedly connected with the inner wall of the bottom of the inner box body and at the middle position, the utility model discloses a buffer pile, including support pile, bearing, position, buffer pile, division board, bottom fixedly connected with buffer spring, the top fixedly connected with mount pad of support pile, the position that leans on the back in the bottom left side of mount pad is rotated through the bearing and is connected with the adapter sleeve, the buffer pile has been cup jointed in the below activity of adapter sleeve, the lower extreme that leans on of buffer pile runs through the division board and extends the below of division board, the bottom fixedly connected with buffer spring of adapter sleeve, the bottom fixedly connected with support base of buffer pile, the firm opening has been seted up to the bottom of supporting the base.

Preferably, the shock absorbing chamber is filled with water and sponge, and the water absorbs the shock generated inside.

Preferably, the interior of the shock absorption cavity is filled with sand, the sand is buried in the support base, and the sand and the shock absorption pile absorb shock.

Preferably, the threaded ring is arranged on the inner wall of the connecting sleeve, the threaded groove is arranged on the outer wall of the buffer pile and located close to the top, the vibration strength sent by different working efficiencies of the generator is different, in order to guarantee the buffer effect of the buffer spring, the buffer strength of the buffer spring needs to be adjusted according to the power generation efficiency, when the buffer strength of the buffer spring is adjusted, the control hydraulic column drives the mounting seat to move upwards through the supporting pile, the connecting sleeve is rotated simultaneously, the connecting sleeve moves upwards along the outer wall of the buffer pile under the action of threads, the buffer strength of the buffer spring is adjusted under the condition that the buffer pile is kept motionless, the supporting base at the bottom of the connecting sleeve is prevented from moving in the adjusting process, the stability of the contact between the stabilizing opening and sand is prevented, and the vibration transmission effect is prevented from being influenced.

Preferably, the support base is shaped like a boss, so that the area of the bottom is increased, thereby increasing the support area.

Preferably, the shape of the stable opening is inverted funnel-shaped, sand enters the inside of the stable opening and then supports the supporting base, and the contact area is increased, so that the transmission effect of vibration is improved, and the absorption effect of the sand on shock absorption is improved.

Preferably, the outer wall of the partition plate and the inner wall of the top opening of the partition plate are fixedly connected with rubber sealing sleeves, so that the sealing effect on the joint is improved.

Compared with the prior art, the utility model provides a hydroelectric set damping device for hydraulic engineering possesses following beneficial effect:

1. this hydroelectric set damping device for hydraulic engineering, the cooperation through buffer spring and buffer pile supports the mount pad, transmit the vibrations of motor to sand inside through the buffer pile and carry out the shock attenuation, carry out the shock attenuation through buffer spring simultaneously, if work buffer pile when the downward emergence of effect of vibrations subsides, the buffer pile inserts to the inside volume increase of sand, the extrusion sand upwards promotes the division board, the division board shifts up the holding power that leads to buffer spring and increases, thereby keep the stability of supporting, prevent that shock-absorbing capacity from reducing.

2. This hydroelectric set damping device for hydraulic engineering sets up and inhales the shake chamber, absorbs the vibrations of the internal box body through inhaling the water of shake intracavity portion to reduce the size of vibrations outside transmission, thereby reduced the influence of vibrations to the dam body, reduced the noise that the during operation produced simultaneously, improved staff operational environment's comfort level.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is an enlarged view of a structure in fig. 2 according to the present invention.

Wherein: 1. a housing; 2. a fixing plate; 3. an inner box body; 4. a shock absorbing chamber; 5. a fixed seat; 6. a sealing cylinder; 7. a partition plate; 8. a damping chamber; 9. a movable socket; 10. a hydraulic column; 11. supporting piles; 12. a mounting seat; 13. fixing screw holes; 14. connecting sleeves; 15. a buffer spring; 16. buffering the piles; 17. a support base; 18. and (5) stabilizing the opening.

Detailed Description

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. 1-3, the utility model provides a hydroelectric generating set damping device for hydraulic engineering, which comprises a housing 1, a fixed plate 2 is fixedly connected to the front side wall of the housing 1 and is located at a position near the bottom, an inner box body 3 is fixedly connected to the top inner wall of the housing 1, a shock-absorbing cavity 4 is formed between the inner box body 3 and the housing 1, water and sponge are filled in the shock-absorbing cavity 4, the shock generated inside is absorbed by water, the shock-absorbing cavity 4 is arranged, the shock of the inner box body 3 is absorbed by the water in the shock-absorbing cavity 4, thereby reducing the magnitude of the outward transmission of the shock, reducing the influence of the shock on a dam body, simultaneously reducing the noise generated during working, improving the comfort level of working environment of workers, a fixed seat 5 is fixedly connected to the bottom inner wall of the inner box body 3 and is located at the middle position, a sealing barrel 6 is movably inserted at the top of the fixed seat 5, the top of the sealing cylinder 6 is fixedly connected with a partition plate 7, the outer wall of the partition plate 7 and the inner wall of the top opening of the partition plate are fixedly connected with rubber sealing sleeves, the sealing effect of a connector is improved, a shock absorption cavity 8 is formed in the cavity of the inner box body 3 and below the partition plate 7, sand is filled in the shock absorption cavity 8, a supporting base 17 is buried by the sand, vibration is absorbed through the sand and a buffer pile 16, a movable socket 9 is arranged at the top of the partition plate 7 and in the middle, a supporting pile 11 is movably inserted in the movable socket 9, a hydraulic column 10 is fixedly connected to the bottom of the supporting pile 11, the hydraulic column 10 does not provide supporting force and pulling force during shock absorption work, the bottom of the hydraulic column 10 is fixedly connected with the bottom inner wall of the inner box body 3 and in the middle, a mounting seat 12 is fixedly connected to the top of the supporting pile 11, a connecting sleeve 14 is rotatably connected to the rear position of the left side of the bottom of the mounting seat 12 through a bearing, a buffer pile 16 is movably sleeved below the connecting sleeve 14, a threaded ring is arranged on the inner wall of the connecting sleeve 14, a threaded groove is arranged on the outer wall of the buffer pile 16 and is positioned close to the top, the vibration intensities generated by different working efficiencies of the generator are different, in order to ensure the buffer effect of the buffer spring 15, the buffer intensity of the buffer spring 15 needs to be adjusted according to the power generation efficiency, when the buffer intensity of the buffer spring 15 is adjusted, the hydraulic column 10 is controlled to drive the mounting seat 12 to move upwards through the supporting pile 11, and simultaneously the connecting sleeve 14 is rotated to enable the connecting sleeve 14 to move upwards along the outer wall of the buffer pile 16 under the action of threads, so that the buffer intensity of the buffer spring 15 is adjusted under the condition that the buffer pile 16 keeps still, thereby preventing the stability of the contact between the supporting base 17 and the stabilizing opening 18 at the bottom of the buffer pile 16 and sand caused by the movement of the buffer pile 16 in the adjusting process, and further preventing the influence on the vibration transmission effect, the lower end of the buffer pile 16 penetrates through the partition plate 7 and extends to the lower part of the partition plate 7, the bottom of the connecting sleeve 14 is fixedly connected with a buffer spring 15, the mounting seat 12 is supported through the matching of the buffer spring 15 and the buffer pile 16, the vibration of the motor is transmitted to the interior of sand through the buffer pile 16 for damping, meanwhile, the damping is performed through the buffer spring 15, if the work buffer pile 16 is settled downwards under the action of vibration, the buffer pile 16 is inserted into the sand to increase the internal volume, the extrusion sand pushes the partition plate 7 upwards, the upward movement of the partition plate 7 causes the increase of the supporting force of the buffer spring 15, so that the stability of the support is maintained, the bottom of the buffer pile 16 is fixedly connected with a support base 17, the support base 17 is in a boss shape, the area of the bottom is increased, so that the supporting area is increased, the bottom of the support base 17 is provided with a stable opening 18, the stable opening 18 is in an inverted funnel shape, the sand enters the inside of the stable opening 18 and then supports the supporting base 17, so that the contact area is increased, the transmission effect of the vibration is improved, and the absorption effect of the sand on the shock absorption is improved.

When the damping device is used, the generator set is fixed above the mounting seat 12 through the bolts and the fixing screw holes 13, the generator set generates vibration during working, the mounting seat 12 is supported through the matching of the buffer spring 15 and the buffer pile 16, the vibration of the motor is transmitted to the interior of sand through the buffer pile 16 for damping, meanwhile, the damping is performed through the buffer spring 15, if the working buffer pile 16 is settled downwards under the action of vibration, the buffer pile 16 is inserted into the interior of the sand to increase the volume, the extruded sand pushes the partition plate 7 upwards, the upward movement of the partition plate 7 causes the increase of the supporting force of the buffer spring 15, the mounting seat 12 is kept stable through the matching of the buffer pile 16 and the buffer spring 15, the damping cavity 4 is arranged, the vibration of the inner box body 3 is absorbed through the water in the damping cavity 4, the size of the outward transmission of the vibration is reduced, and the influence of the vibration on a dam body is reduced, meanwhile, the noise generated during working is reduced, the comfort level of the working environment of workers is improved, the vibration intensity emitted by different working efficiencies of the generator is different, in order to ensure the buffering effect of the buffer spring 15, the buffering intensity of the buffer spring 15 needs to be adjusted according to the power generation efficiency, when the buffering intensity of the buffer spring 15 is adjusted, the control hydraulic column 10 drives the mounting seat 12 to move upwards through the support pile 11, and meanwhile, the connecting sleeve 14 is rotated, so that the connecting sleeve 14 moves upwards along the outer wall of the buffer pile 16 under the action of threads, thereby adjusting the buffering intensity of the buffer spring 15 under the condition that the buffer pile 16 is kept motionless, thereby preventing the buffer pile 16 from moving in the adjusting process to cause the contact stability of the support base 17 and the stable opening 18 at the bottom of the buffer pile and sand, and further preventing the influence on the vibration transmission effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydroelectric set damping device for hydraulic engineering, includes shell (1), its characterized in that: a fixed plate (2) is fixedly connected to the front side wall of the shell (1) and located close to the bottom, an inner box body (3) is fixedly connected to the top inner wall of the shell (1), a shock absorption cavity (4) is formed by a cavity between the inner box body (3) and the shell (1), a fixed seat (5) is fixedly connected to the bottom inner wall of the inner box body (3) and located in the middle, a sealing barrel (6) is movably inserted into the top of the fixed seat (5), a partition plate (7) is fixedly connected to the top of the sealing barrel (6), a shock absorption cavity (8) is formed by the cavity inside the inner box body (3) and located below the partition plate (7), a movable socket (9) is formed in the middle of the top of the partition plate (7), a support pile (11) is movably inserted into the movable socket (9), and a hydraulic column (10) is fixedly connected to the bottom of the support pile (11), the bottom of hydraulic pressure post (10) and the bottom inner wall of interior box body (3) are located middle position fixed connection, the top fixedly connected with mount pad (12) of support stake (11), the position that leans on the back in the bottom left side of mount pad (12) is rotated through the bearing and is connected with adapter sleeve (14), buffer pile (16) have been cup jointed in the below activity of adapter sleeve (14), buffer pile (16) lean on the lower extreme to run through division board (7) and extend the below of division board (7), the bottom fixedly connected with buffer spring (15) of adapter sleeve (14), the bottom fixedly connected with of buffer pile (16) supports base (17), firm opening (18) have been seted up to the bottom of supporting base (17).

2. The hydroelectric generating set damping device for hydraulic engineering according to claim 1, wherein: the shock absorption cavity (4) is filled with water and sponge.

3. The hydroelectric generating set damping device for hydraulic engineering according to claim 1, wherein: the interior of the shock absorption cavity (8) is filled with sand, and the support base (17) is buried by the sand.

4. The hydroelectric generating set damping device for hydraulic engineering according to claim 1, wherein: the inner wall of the connecting sleeve (14) is provided with a threaded ring, and the outer wall of the buffer pile (16) is provided with a threaded groove close to the top.

5. The hydroelectric generating set damping device for hydraulic engineering according to claim 1, wherein: the supporting base (17) is in a boss shape.

6. The hydroelectric generating set damping device for hydraulic engineering according to claim 1, wherein: the shape of the stabilizing opening (18) is inverted funnel-shaped.

7. The hydroelectric generating set damping device for hydraulic engineering according to claim 1, wherein: the outer wall of the partition plate (7) and the inner wall of the top opening of the partition plate are fixedly connected with rubber sealing sleeves.