CN217080665U

CN217080665U - Noise reduction device for generator set of hydropower station

Info

Publication number: CN217080665U
Application number: CN202220435095.XU
Authority: CN
Inventors: 邬海军; 卢本坤; 宋辉
Original assignee: Hunan Provincial Water Transportation Construction & Investment Group Co ltd
Current assignee: Hunan Provincial Water Transportation Construction & Investment Group Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-29
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a device of making an uproar falls in power station generating set, include box, chamber door, picture peg, fall the layer of making an uproar and locking device. The utility model discloses a box front end face right-hand member is provided with locking device, when the fixed cylinder inserts the fixed box inside, drives the lead screw and rotates, makes inserted bar and fixed cylinder peg graft mutually to fix the connecting plate, through the fixed to the connecting plate, make the chamber door install fixedly, reached convenient beneficial effect of installing the chamber door; be provided with actuating mechanism through the inside front end of fixed box, rotate the knob, the knob rotates and drives the screw rod and rotate to drive the transfer line and rotate, make the lead screw rotate, because of the screw rod has self-locking function, so prevent the driving gear rotation, reached and prevented the driving gear rotation, convenient drive lead screw rotates simultaneously, the installation that significantly reduces and the beneficial effect of dismantlement time.

Description

Noise reduction device for generator set of hydropower station

Technical Field

The utility model relates to a power station correlation field especially relates to a device of making an uproar falls in power station generating set.

Background

A hydraulic power plant is a plant which converts potential energy and kinetic energy of water into electric energy, and the basic production process of the hydraulic power plant is as follows: the water is drawn from the high place of a river or other reservoirs, the water turbine is driven to rotate by the pressure or the flow velocity of water, the gravitational potential energy and the kinetic energy are converted into mechanical energy, then the water turbine drives the generator to rotate, the mechanical energy is converted into electric energy, and in order to reduce the noise generated by the generator set, a noise reduction device is usually sleeved on the surface of the generator set.

However, the existing noise reduction device is usually fixed by bolts, and the bolts are fixed stably, so that the device is inconvenient for workers to install and disassemble, and the problem of complex operation of the workers during installation or disassembly is caused, and the device is inconvenient for driving the screw rod to rotate and self-lock after installation, so that the problem of rotation of the transmission gear is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a device of making an uproar falls in power station generating set.

In order to achieve the purpose, the utility model adopts the following technical scheme: a noise reduction device for a generating set of a hydropower station comprises a box body, a box door is arranged at the right end of the box body, an inserting plate is fixed on the inner side of the box door, a noise reduction layer is fixed on the inner side surface of the box body, a locking device is arranged at the right end of the front end surface of the box body, the locking device comprises a connecting plate, a fixed cylinder, a fixed box, a driving mechanism, a screw rod, a slide block, a slide plate, an inserted link and a limiting structure, the connecting plate is fixed at the middle end of the front end surface of the box door, the left end of the front end surface of the connecting plate is fixed with the fixed cylinder, the fixed box is fixed at the right end of the front end surface of the box body, the front end in the fixed box is provided with a driving mechanism, the driving mechanism is connected with one end of a screw rod, the surface of the screw rod is in threaded connection with a sliding block, a sliding plate is fixed at the rear end of the sliding block, an inserting rod is fixed on the surface of one side of the sliding plate and is connected with the fixed cylinder in an inserting mode, and a limiting structure is arranged on the other side of the sliding plate.

Preferably, the driving mechanism comprises a knob, a screw rod, a toothed bar, a transmission gear and a transmission rod, the knob is rotatably connected with the front end of the left side of the fixed box, the knob is connected with one end of the screw rod, the surface of the screw rod is in threaded connection with the toothed bar, the rear side of the toothed bar is in meshed connection with the transmission gear, the transmission rod is fixed at the middle end of the transmission gear, and the transmission rod is connected with one end of the screw rod.

Preferably, the limiting structure comprises a sleeve, a limiting rod and a spring, the sleeve is fixed on the inner side surface of the fixed box, one end of the limiting rod is connected with the sleeve in a sliding mode, the other end of the limiting rod is connected with the sliding plate, and the spring is sleeved on the surface of the sleeve.

Preferably, the upper end and the lower end of the transmission rod are provided with screw rods, the screw rods at the two ends are identical in structure and symmetrical in position.

Preferably, a protection box is fixed at the front end of the inner side of the fixing box, and the transmission teeth are located inside the protection box.

Preferably, the transmission rod penetrates through the middle end of the protection box and rotates along the inner wall of the protection box, a gasket is arranged at the joint of the protection box and the transmission rod, and the transmission rod rotates along the inner wall of the middle end of the gasket.

Preferably, the outer side surface of the knob is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with transverse anti-slip lines.

Preferably, a bearing is arranged at the joint of the fixing box and the screw rod, and the screw rod is inserted into the middle end of the bearing.

Preferably, the fixing box is made of plastic.

Preferably, the inserted rod is made of stainless steel.

The utility model has the advantages that:

the method has the advantages that: the utility model discloses a terminal surface right-hand member is provided with locking device before the box, and when the solid fixed cylinder inserted inside the fixed box, the drive lead screw rotated, made the inserted bar peg graft with the solid fixed cylinder mutually to fix the connecting plate, through the fixed to the connecting plate, made the chamber door install fixedly, reached convenient beneficial effect of installing the chamber door.

The method has the advantages that: the utility model discloses an inside front end of fixed box is provided with actuating mechanism, rotates the knob, and the knob rotates and drives the screw rod and rotate to drive the transfer line and rotate, make the lead screw rotate, have self-locking function because of the screw rod, so prevent the driving gear rotation, reached and prevented the driving gear rotation, convenient drive lead screw rotates simultaneously, the installation that significantly reduces and the beneficial effect of dismantlement time.

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 a front view of the locking device of the present invention;

FIG. 4 is a schematic view of a right-side cross-sectional structure of the locking device of the present invention;

fig. 5 is a schematic top sectional view of the driving mechanism of the present invention;

fig. 6 is a partially enlarged view of the area a of the present invention.

Wherein: the device comprises a box body-1, a box door-2, an inserting plate-3, a noise reduction layer-4, a locking device-5, a connecting plate-51, a fixed cylinder-52, a fixed box-53, a driving mechanism-54, a knob-541, a screw-542, a toothed rod-543, a driving tooth-544, a driving rod-545, a screw rod-55, a sliding block-56, a sliding plate-57, an inserting rod-58, a limiting structure-59, a sleeve-591, a limiting rod-592 and a spring-593.

Detailed Description

In order to further explain the technical solution of the present invention, the following is a detailed explanation through specific examples.

Referring to fig. 1 and 2, the utility model provides a device of making an uproar falls in power station generating set, including box 1, box door 2 is installed to box 1 right-hand member, and 2 inboards of box door are fixed with

picture peg

3, and 1 inboard fixed surfaces of box have fall the layer of making an

uproar

4, and 1 preceding terminal surface right-hand members of box are provided with locking device 5.

Referring to fig. 3 and 4, the utility model provides a noise reduction device for a hydroelectric generating set, the locking device 5 comprises a connecting plate 51, a fixed cylinder 52, a fixed box 53, a driving mechanism 54, a screw 55, a sliding block 56, a sliding plate 57, an insert rod 58 and a limit structure 59, the connecting plate 51 is fixed at the middle end of the front end surface of a box door 2, the fixed cylinder 52 is fixed at the left end of the front end surface of the connecting plate 51, the fixed cylinder 52 plays a role in connection and fixation, the fixed box 53 is fixed at the right end of the front end surface of a box body 1, the driving mechanism 54 is arranged at the front end inside the fixed box 53, the driving mechanism 54 plays a role in driving, the driving mechanism 54 is connected with one end of the screw 55, the surface of the screw 55 is in threaded connection with the sliding block 56, the sliding block 56 plays a role in driving the sliding plate 57, the sliding plate 57 is fixed at the rear end of the sliding block 56, the insert rod 58 is fixed at the surface of one side of the sliding plate 57, and the insert rod 58 is inserted into the fixed cylinder 52, so as to fix the fixed cylinder 52, the other side of the sliding plate 57 is provided with a limiting structure 59; the upper end and the lower end of the transmission rod 545 are both provided with screw rods 55, the screw rods 55 at the two ends have the same structure and are symmetrical in position, and the reinforcing and fixing effects are achieved; a bearing is arranged at the joint of the fixed box 53 and the screw rod 55, and the screw rod 55 is inserted into the middle end of the bearing, so that the screw rod 55 has a more stable rotating effect; the fixing box 53 is made of plastic material, and has the effect of high durability; the insertion rod 58 is made of stainless steel, and has the effects of surface rust prevention and high hardness.

Referring to fig. 5, the utility model provides a power station generating set noise reduction device, actuating mechanism 54 includes knob 541, screw 542, tooth pole 543, transmission tooth 544 and transfer line 545, knob 541 rotates with fixed box 53 left side front end to be connected, knob 541 is connected with screw 542 one end, screw 542 plays the effect of driving tooth pole 543, screw 542 surface and tooth pole 543 threaded connection, tooth pole 543 rear side and transmission tooth 544 meshing connection, transmission tooth 544 plays driven effect, the middle end of transmission tooth 544 is fixed with transfer line 545, transfer line 545 is connected with one end of lead screw 55, transfer line 545 plays the effect of driving lead screw 55; a protective box is fixed at the front end of the inner side of the fixed box 53, and the transmission teeth 544 are positioned in the protective box and have the function of protecting the transmission teeth 544; the transmission rod 545 penetrates through the middle end of the protection box and rotates along the inner wall of the protection box, a gasket is arranged at the connecting part of the protection box and the transmission rod 545, and the transmission rod 545 rotates along the inner wall of the middle end of the gasket, so that the transmission rod 545 has a more stable rotating effect; the outer surface of the knob 541 is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with transverse anti-slip lines, so that the rotation of the knob 541 has an anti-slip function.

Referring to fig. 6, the utility model provides a power station generating set noise reduction device, limit structure 59 includes sleeve 591, gag lever post 592 and spring 593, and sleeve 591 is fixed in fixed box 53 inside surface, and gag lever post 592 one end and sleeve 591 sliding connection, gag lever post 592 play and carry out spacing effect to slide 57, and the gag lever post 592 other end is connected with slide 57, and spring 593 overlaps in sleeve 591 surface, and spring 593 plays the effect of promoting inserted bar 58, makes inserted bar 58 have more stable and smooth-going slip effect.

The working principle is as follows:

open chamber door 2, then overlap box 1 in the generating set surface, then fix the installation of chamber door 2, the noise that generating set produced can be absorbed by the layer of making an uproar 4 of falling to the outside transmission of the noise of the generating set that significantly reduces, and picture peg 3 plays the more convenient installation effect of chamber door 2.

When the box door 2 is attached to the right end of the box body 1, the connecting plate 51 drives the fixing barrel 52 to be inserted into the fixing box 53, then the knob 541 is rotated, the knob 541 rotates to drive the screw 542 to rotate, because the screw 542 is in threaded connection with the toothed rod 543, when the screw 542 rotates, the toothed rod 543 slides along the surface of the screw 542, because the toothed rod 543 is in meshed connection with the driving tooth 544, the driving tooth 544 is driven to rotate when the toothed rod 543 slides, when the driving tooth 544 rotates, the driving rod 545 rotates to drive the screw 55 to rotate, so that the screw 55 can be conveniently driven to rotate, and because the screw 542 has a self-locking function, the effect of preventing the driving tooth 544 from rotating can be achieved.

When the transmission rod 545 drives the screw rod 55 to rotate, the screw rod 55 is in threaded connection with the sliding block 56, so that the sliding block 56 slides along the surface of the screw rod 55 when the screw rod 55 rotates, the sliding plate 57 is driven to slide, the sliding plate 57 drives the insertion rod 58 to be inserted into the fixed cylinder 52 when sliding, the connecting plate 51 is fixed by inserting and fixing the fixed cylinder 52, and the box door 2 is fixed by fixing the connecting plate 51.

When the sliding plate 57 slides, the sliding plate 57 drives the limit rod 592 to slide along the inner wall of the sleeve 591, and the limit rod 592 is limited and fixed by the sleeve 591, so that the limit rod 592 limits and fixes the sliding plate 57, and the spring 593 is used for improving the effect of stable sliding of the limit rod 592.

The utility model provides a power station generating set noise reduction device, through box 1 preceding terminal surface right-hand member be provided with locking device 5, when solid fixed cylinder 52 inserts the inside of fixed box 53, drive lead screw 55 and rotate, make inserted bar 58 peg graft with solid fixed cylinder 52 mutually to fix connecting plate 51, through the fixed to connecting plate 51, make chamber door 2 install fixedly, reached convenient beneficial effect of installing chamber door 2; the inside front end of fixed box 53 is provided with actuating mechanism 54, rotates knob 541, and knob 541 rotates and drives screw 542 and rotate to drive transfer line 545 and rotate, make lead screw 55 rotate, have self-locking function because of screw 542, so prevent the rotation of driving gear 544, reached and prevented the rotation of driving gear 544, convenient driving screw 55 rotates simultaneously, the installation that significantly reduces and the beneficial effect of dismantlement time.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reduction device for a generating set of a hydropower station comprises a box body (1), wherein a box door (2) is installed at the right end of the box body (1), an inserting plate (3) is fixed on the inner side of the box door (2), and a noise reduction layer (4) is fixed on the surface of the inner side of the box body (1);

the method is characterized in that: the box body is characterized by further comprising a locking device (5), the locking device (5) is arranged at the right end of the front end face of the box body (1), the locking device (5) comprises a connecting plate (51), a fixed cylinder (52), a fixed box (53), a driving mechanism (54), a screw rod (55), a sliding block (56), a sliding plate (57), an inserting rod (58) and a limiting structure (59), the connecting plate (51) is fixed at the middle end of the front end face of the box door (2), the fixed cylinder (52) is fixed at the left end of the front end face of the connecting plate (51), the fixed box (53) is fixed at the right end of the front end face of the box body (1), the driving mechanism (54) is arranged at the front end inside the fixed box (53), the driving mechanism (54) is connected with one end of the screw rod (55), the surface of the screw rod (55) is in threaded connection with the sliding block (56), the sliding plate (57) is fixed at the rear end of the sliding block (56), the inserting rod (58) is fixed on one side surface of the sliding plate (57), and the inserted bar (58) is inserted into the fixed cylinder (52), and the other side of the sliding plate (57) is provided with a limiting structure (59).

2. The hydropower station generator set noise reduction device according to claim 1, characterized in that: the driving mechanism (54) comprises a knob (541), a screw (542), a gear rod (543), a transmission gear (544) and a transmission rod (545), wherein the knob (541) is rotatably connected with the front end of the left side of the fixing box (53), the knob (541) is connected with one end of the screw (542), the surface of the screw (542) is in threaded connection with the gear rod (543), the rear side of the gear rod (543) is meshed with the transmission gear (544), the middle end of the transmission gear (544) is fixedly provided with the transmission rod (545), and the transmission rod (545) is connected with one end of the screw rod (55).

3. The hydropower station generator set noise reduction device according to claim 1, characterized in that: the limiting structure (59) comprises a sleeve (591), a limiting rod (592) and a spring (593), wherein the sleeve (591) is fixed on the inner side surface of the fixed box (53), one end of the limiting rod (592) is connected with the sleeve (591) in a sliding mode, the other end of the limiting rod (592) is connected with the sliding plate (57), and the spring (593) is sleeved on the surface of the sleeve (591).

4. The hydropower station generator set noise reduction device according to claim 2, wherein: the upper end and the lower end of the transmission rod (545) are provided with screw rods (55), and the screw rods (55) at the two ends have the same structure and are symmetrical in position.

5. The hydropower station generator set noise reduction device according to claim 2, wherein: a protective box is fixed at the front end of the inner side of the fixed box (53), and the transmission teeth (544) are positioned inside the protective box.

6. The hydropower station generator set noise reduction device according to claim 5, wherein: the transmission rod (545) penetrates through the middle end of the protection box and rotates along the inner wall of the protection box, a gasket is arranged at the connecting position of the protection box and the transmission rod (545), and the transmission rod (545) rotates along the inner wall of the middle end of the gasket.

7. The hydropower station generator set noise reduction device according to claim 2, wherein: the outer side surface of the knob (541) is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with transverse anti-slip lines.

8. The hydropower station generator set noise reduction device according to claim 1, characterized in that: the fixing box (53) is provided with a bearing at the joint with the screw rod (55), and the screw rod (55) is inserted into the middle end of the bearing.