CN214841924U

CN214841924U - Power station unit circulative cooling device

Info

Publication number: CN214841924U
Application number: CN202120175394.XU
Authority: CN
Inventors: 胡文伟; 陈厚华; 刘鹏
Original assignee: Hunan Water Conservancy Investment Local Power Co Ltd
Current assignee: Hunan Water Conservancy Investment Local Power Co Ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-23
Anticipated expiration: 2031-01-21

Abstract

The utility model belongs to the technical field of power station equipment and specifically relates to a power station unit circulative cooling device is related to, and it includes the columniform casing, and the casing is provided with the cooling circulation pipeline of dish type outward, is provided with the fin between cooling circulation pipeline and the casing, the first annular slab of casing upper end fixedly connected with, first annular slab lower surface is provided with a plurality of vertical lead screws, be provided with the moving mechanism drive on the first annular slab the lead screw rotates, threaded connection has clean piece on the lead screw, be provided with the mounting on the clean piece, the mounting is fixed with the clearance brush, clearance brush butt is in on the fin. This application has the effect of the impurity of adhesion on the automatic clearance fin.

Description

Power station unit circulative cooling device

Technical Field

The application relates to the field of hydropower station equipment, in particular to a hydropower station unit circulating cooling device.

Background

The hydropower station consists of a hydraulic system, a mechanical system, an electric energy generating device and the like, is a hydro-junction project for converting water energy into electric energy, and the sustainability of electric energy production requires that the utilization of the water energy of the hydropower station is uninterrupted. Through the construction of a reservoir system of the hydropower station, the distribution of the hydraulic resources on time and space is artificially adjusted and changed, and the sustainable utilization of the hydraulic resources is realized. In order to effectively convert the water energy in the reservoir into electric energy, the hydropower station needs to be realized through a hydro-mechanical system, and the system mainly comprises a pressure water conduit, a water turbine, a generator, a draft tube and the like.

Chinese patent with grant publication number CN204387131U discloses a hydropower station unit cooling back installation, which comprises a housing, install the bearing in the casing, cooling circulation pipeline sets up on the wall of casing, be provided with the fin on the casing wall between the cooling circulation pipeline, cooling circulation pipeline inlet passes through the feed liquor pipe and is connected with coolant liquid storage tank liquid outlet, be equipped with circulating water pump between coolant liquid storage tank and the cooling circulation pipeline, cooling circulation pipeline liquid outlet passes through the feed liquor pipe and is connected with coolant liquid storage tank liquid inlet, the coolant liquid storage tank sets up in the cooling bath, the cooling bath bottom is provided with refrigerating plant, one side of coolant liquid storage tank is provided with temperature sensor. The temperature sensor monitors the temperature of cooling liquid in the cooling liquid storage tank, the radiating fins radiate and cool the bearing, and the cooling pool cools the warmed cooling liquid quickly to complete the cooling work of the unit in a matching manner.

In view of the above-mentioned related art, the inventor believes that after working for a period of time, dirt or impurities are easily adhered to the heat sink, and the heat dissipation effect of the heat sink is affected.

SUMMERY OF THE UTILITY MODEL

In order to facilitate automatic cleaning of impurities adhered to the radiating fins, the application provides a hydropower station unit circulating cooling device.

The application provides a power station unit circulative cooling device adopts following technical scheme:

the utility model provides a power station unit circulative cooling device, includes columniform casing, and the casing is provided with the cooling circulation pipeline of dish type outward, is provided with the fin between cooling circulation pipeline and the casing, the first annular slab of casing upper end fixedly connected with, first annular slab lower surface is provided with a plurality of vertical lead screws, it drives to be provided with moving mechanism on the first annular slab the lead screw rotates, threaded connection has the cleaning block on the lead screw, be provided with the mounting on the cleaning block, the mounting is fixed with the cleaning brush, the cleaning brush butt is in on the fin.

Through adopting above-mentioned technical scheme, the cooling circulation pipeline encircles on the casing, fin direct contact casing, both cool down for the casing jointly, first annular slab is fixed in the casing top, a plurality of lead screws are encircleed to first annular slab lower extreme, threaded connection cleaning block on the lead screw, fix the cleaning brush on cleaning block through the mounting, moving mechanism drives the lead screw and rotates, cleaning block rotates about the rotation of lead screw and removes, it scrubs to drive the dirt of fin surface to drive the cleaning brush, make the dust that gathers on the fin surface break away from the fin, guarantee the continuation radiating effect of fin to the casing.

Optionally, a second annular plate is arranged at the lower end of the screw rod, the lower end of the screw rod is rotatably connected to the second annular plate, and the second annular plate is fixedly connected to the lower side of the casing.

Through adopting above-mentioned technical scheme, rotate through second annular plate and lead screw lower extreme and be connected, reduce the skew of lead screw when rotating, give the lead screw holding power in vertical direction, make the lead screw rotate more stably, and then scrub more stably when making the clearance.

Optionally, a vertical abutting rod is fixedly connected to one side of the screw rod on the upper surface of the second annular plate, and one side of the cleaning block abuts against the abutting rod.

Through adopting above-mentioned technical scheme, the one side of butt pole butt cleaning block makes the rotation of cleaning block become and slides from top to bottom, brushes a plurality of vertical direction's fin simultaneously through sliding, has enlarged the scope of brushing.

Optionally, the moving mechanism includes a rotating gear and an annular rack, the rotating gear is rotatably connected to the first annular plate, the lower side of the rotating gear is coaxially rotatably connected to the upper end of the screw rod, one side of the rotating gear is meshed with the annular rack in a surrounding manner, the annular rack is rotatably connected to the first annular plate, and a driving piece is arranged on the annular rack and drives the annular rack to rotate.

Through adopting above-mentioned technical scheme, driving piece drive annular rack rotates, and annular rack drives the running gear rotation of meshing, and running gear drives coaxial coupling's lead screw and rotates, rotates annular rack and can drive a plurality of running gear rotations simultaneously, and then makes a plurality of lead screws rotate simultaneously, is convenient for wipe out the speed of fin through a plurality of clearance brushes of driving piece simultaneous control.

Optionally, the driving piece includes driving gear, drive shaft and motor, annular rack outer wall fixedly connected with swivel becket, the middle section inner wall of swivel becket rotates to be connected first annular board week side, swivel becket upper portion inner wall is provided with the rotation tooth, the driving gear rotates to be connected first annular board upper surface, driving gear meshing rotation tooth, the coaxial fixed connection of drive shaft is in on the driving gear, the motor is connected the drive shaft.

Through adopting above-mentioned technical scheme, the starter motor, the motor drives the drive shaft and rotates, the drive shaft drives the rotation gear and rotates, the driving gear meshes with the rotating teeth of rotating ring inner wall, the driving gear rotates and drives the rotating ring and rotate, ring gear drives the rotating ring and rotates, ring gear drives the rotating gear and rotates and then drive the lead screw and rotate, do not need the manual work to carry out the cleaning operation through motor drive, and the speed of adjustment motor can control the slew velocity and the speed of cleaning of lead screw, make the automatic cleaning process of accomplishing of cleaning brush, the manpower has been saved.

Optionally, the mounting includes first thread gluing area, second thread gluing area, first thread gluing area fixed connection in the surface of cleaning block, the cleaning brush has certain deformability, cleaning brush connection side fixed connection second thread gluing area, the first thread gluing area of second thread gluing area adhesion.

Through adopting above-mentioned technical scheme, bond through first thread gluing area and second thread gluing area and make the cleaning brush bond on the surface of cleaning block, when the cleaning brush uses the damage, the removable removal is carried out the cleaning brush and is changed, reduces the influence to the clearance process, the long-time use of the cleaning device of being convenient for.

Optionally, the bristles of the cleaning brush are made of flexible materials, and the length of the bristles is greater than the distance from the surface of the cleaning brush to the shell.

By adopting the technical scheme, the length of the bristles is greater than the distance from the surface of the cleaning brush to the shell, and the bristles are flexible bristles and are abutted against the surface of the radiating fin during brushing, and the flexible bristles are abutted against the gaps of the radiating fin, so that the radiating fin is brushed more thoroughly.

Optionally, the screw rod is a reciprocating screw rod.

Through adopting above-mentioned technical scheme, reciprocal lead screw makes the cleaning block can slide from top to bottom along with the rotation of lead screw, drives the clearance brush and reciprocates and makes a round trip to scrub the heating plate, improves and scrubs efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first annular plate is fixed above the machine shell, the lower end of the first annular plate surrounds a plurality of screw rods, cleaning blocks are connected to the screw rods in a threaded mode, the cleaning brushes are fixed to the cleaning blocks through fixing pieces, the screw rods are driven to rotate by a moving mechanism, the cleaning blocks rotate up and down along with the rotation of the screw rods and move, the cleaning brushes are driven to scrub dirt on the surfaces of the radiating fins, dust accumulated on the surfaces of the radiating fins is separated from the radiating fins, and the continuous radiating effect of the radiating fins on the machine shell is guaranteed;

2. set up cleaning brush detachable construction, bond through first thread gluing area and second thread gluing area and make the cleaning brush bond on the surface of cleaning block, when the cleaning brush uses the damage, pull down the timely change of carrying out the cleaning brush, the long-time use of the cleaning device of being convenient for.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a unit circulation cooling device of a hydropower station.

Fig. 2 is a partial sectional view at the cabinet of fig. 1.

Fig. 3 is a partial cross-sectional view at the heat sink in fig. 1.

Description of reference numerals: 1. a housing; 2. a cooling circulation pipe; 3. a heat sink; 4. a first annular plate; 5. a screw rod; 6. a moving mechanism; 61. a rotating gear; 62. an annular rack; 63. a drive member; 631. a driving gear; 632. a drive shaft; 633. a motor; 634. a rotating ring; 7. a cleaning block; 71. a fixing member; 711. a first hook and loop fastener; 712. a second hook and loop fastener; 72. cleaning a brush; 8. a second annular plate; 81. a connecting rod is abutted.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hydropower station unit circulating cooling device, and with reference to fig. 1 and 2, the hydropower station unit circulating cooling device comprises a cylindrical shell, wherein a disc-shaped cooling circulating pipeline 2 is abutted to the shell, a plurality of cooling fins 3 are arranged between the cooling circulating pipelines 2, and the plurality of cooling fins 3 are fixed on the surface of the shell in a surrounding manner; the welding has first annular plate 4 on the upper surface of casing 1, and first annular plate 4 encircles the shell, and 4 lower extremes of first annular plate are provided with the lead screw 5 of being connected through bearing and the rotation of first annular plate 4, and lead screw 5 encircles the shell display and sets up a plurality ofly, and threaded connection has cleaning block 7 on the lead screw 5, is provided with mounting 71 on the cleaning block 7, is connected with cleaning brush 72 through mounting 71, and cleaning brush 72's brush hair butt is scrubbed fin 3 surface on fin 3.

Referring to fig. 2, the screw 5 is a reciprocating screw 5, the lower end of the screw 5 is rotatably connected with a second annular plate 8 at a position corresponding to the first annular plate 4, and the second annular plate 8 is welded at the lower side of the casing 1; the second annular plate 8 and the first annular plate 4 are made of stainless steel sheets, a plurality of vertical abutting rods 81 are welded on the second annular plate 8, each abutting rod 81 abuts against one side of one cleaning block 7, and each cleaning block 7 is of a semi-cylindrical shape; the fastener 71 includes a first hook and loop fastener 711 and a second hook and loop fastener 712, the first hook and loop fastener 711 is adhered to the periphery of the cleaning block 7, the second hook and loop fastener 712 is adhered to the surface of the cleaning brush 72 without bristles, and the first hook and loop fastener 711 and the second hook and loop fastener 712 are adhered to fix the cleaning brush 72 and the cleaning block 7. The cleaning brush 72 has bristles that are longer than the distance from the surface of the cleaning brush 72 to the surface of the housing, and the bristles are flexible bristles.

Referring to fig. 2 and 3, the moving mechanism 6 includes a rotating gear 61 and an annular rack 62, the annular rack 62 is rotatably connected to the peripheral side of the first annular plate 4 through a bearing, one surface of the rotating gear 61 is coaxially welded to the upper end of the lead screw 5, the other surface is rotatably connected to the lower surface of the first annular plate 4 through a bearing and a rotating shaft, and the rotating gear 61 engages with the annular rack 62. The upper side of the annular rack 62 is provided with a driving member 63, the driving member 63 comprises a driving gear 631, a driving shaft 632, a motor 633 and a rotating ring 634, the lower side of the rotating ring 634 is welded on the upper surface of the annular rack 62, and the middle part of the rotating ring 634 is rotatably connected on the vertical surface of the first annular plate 4 through a bearing; the rotary ring 634 is provided with rotary teeth at a position corresponding to an upper end of the first annular plate 4, the rotary teeth are welded to a surface of the rotary ring 634 close to the housing, the driving gear 631 is coaxially welded to the driving shaft 632, a lower end of the driving shaft 632 is rotatably coupled to an upper surface of the first annular plate 4 through a bearing, and the driving gear 631 engages with the rotary teeth of the rotary ring 634. An output shaft-cylinder coupling of the motor 633 is coaxially and fixedly connected with the upper end of the driving shaft 632, and the motor 633 is connected to the upper surface of the first annular plate 4 through a vertical rod.

The implementation principle of the hydropower station unit circulating cooling device in the embodiment of the application is as follows: the starting motor 633 drives the driving shaft 632 to rotate, the driving shaft 632 drives the driving gear 631 to rotate, one side of the rotating gear 61 is meshed with the rotating wheel, the rotating wheel rotates along with the driving gear 631 to drive the annular rack 62 to rotate simultaneously, and the rotating gear 61 meshed with the annular rack 62 rotates to drive the screw rod 5 to rotate coaxially; one side of the cleaning block 7 is abutted against the abutting rod 81 and moves up and down along with the rotation of the screw 5 to drive the cleaning brush 72 to brush the surfaces of the radiating fins 3 and the cooling circulation pipeline 2, when dirt is adhered to the cleaning brush 72, the cleaning brush 72 can be taken down from the cleaning block 7 to be replaced by a new cleaning brush 72, and the new cleaning brush 72 is fixed on the cleaning block 7 through the matching of the first adhesive fastening tape 711 and the second adhesive fastening tape 712.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a power station unit circulative cooling device, includes columniform casing (1), and casing (1) is provided with cooling circulation pipeline (2) of dish type outward, is provided with fin (3) between cooling circulation pipeline (2) and casing (1), its characterized in that: casing (1) upper end fixedly connected with first annular slab (4), first annular slab (4) lower surface is provided with a plurality of vertical lead screws (5), it drives to be provided with moving mechanism (6) on first annular slab (4) lead screw (5) rotate, threaded connection has cleaning block (7) on lead screw (5), be provided with mounting (71) on cleaning block (7), mounting (71) are fixed with cleaning brush (72), cleaning brush (72) butt is in on fin (3).

2. A hydroelectric generating set hydronic apparatus according to claim 1, wherein: the lower end of the screw rod (5) is provided with a second annular plate (8), the lower end of the screw rod (5) is rotatably connected to the second annular plate (8), and the second annular plate (8) is fixedly connected to the lower side of the casing (1).

3. A hydroelectric generating set hydronic apparatus according to claim 2, wherein: the upper surface of the second annular plate (8) is fixedly connected with a vertical abutting rod (81) on one side of the screw rod (5), and one side of the cleaning block (7) abuts against the abutting rod (81).

4. A hydroelectric generating set hydronic apparatus according to claim 3, wherein: moving mechanism (6) are including rotating gear (61), annular rack (62), rotating gear (61) rotate to be connected on first annular plate (4), rotating gear (61) downside is coaxial to be rotated and is connected the upper end of lead screw (5), one side of rotating gear (61), annular rack (62) encircle to mesh a plurality of rotating gear (61), annular rack (62) upside rotates to be connected on first annular plate (4), be provided with driving piece (63) drive on annular rack (62) rotates.

5. A hydroelectric generating set hydronic apparatus according to claim 4, wherein: driving piece (63) includes driving gear (631), drive shaft (632) and motor (633), annular rack (62) outer wall fixedly connected with swivel becket (634), the middle section inner wall of swivel becket (634) is rotated and is connected first annular plate (4) week side, the partial inner wall is provided with the rotation tooth on swivel becket (634), driving gear (631) rotates to be connected first annular plate (4) upper surface, the tooth is rotated in driving gear (631) meshing, the coaxial fixed connection of drive shaft (632) is in on driving gear (631), motor (633) are connected drive shaft (632).

6. A hydroelectric generating set hydronic apparatus according to claim 5, wherein: the utility model discloses a cleaning brush, including cleaning brush, mounting (71) including first thread gluing area (711), second thread gluing area (712), first thread gluing area (711) fixed connection in the surface of cleaning block (7), cleaning brush (72) have certain deformability, side fixed connection second thread gluing area (712) is connected in cleaning brush (72), first thread gluing area (711) of second thread gluing area (712) adhesion.

7. The hydroelectricity unit circulative cooling device of claim 6, characterized in that: the brush hair of the cleaning brush (72) is made of flexible materials, and the length of the brush hair is larger than the distance from the surface of the cleaning brush (72) to the shell (1).

8. The hydroelectricity unit circulative cooling device of claim 7, characterized in that: the screw rod (5) is a reciprocating screw rod (5).