CN214660587U

CN214660587U - Oil cooler fixing device of hydraulic turbine

Info

Publication number: CN214660587U
Application number: CN202120631331.0U
Authority: CN
Inventors: 陈毅; 李春利; 魏鹏
Original assignee: Chongqing Water Turbine Works Co Ltd
Current assignee: Chongqing Water Turbine Works Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-09
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to a hydraulic generator's oil cooler technical field specifically is an oil cooler fixing device of hydraulic turbine, including shell and the copper pipe that sets up in shell inside, its characterized in that: the device also comprises a clamping plate and a screw rod, wherein each horizontal row of copper tubes are clamped by the clamping plate in a vertically matched manner, the clamping plate is provided with a screw hole, and the screw rod is used for connecting the clamping plates together in a penetrating manner through the screw holes. Has the advantages of good stability and long service life.

Description

Oil cooler fixing device of hydraulic turbine

Technical Field

The utility model belongs to the technical field of hydraulic generator's oil cooler, specifically be an oil cooler fixing device of hydraulic turbine.

Background

The hydraulic generator is a generator which takes a hydraulic turbine as a prime mover to convert water energy into electric energy. The water moves in the water turbine to convert water energy into mechanical energy, the impeller drives the rotating shaft, and the rotating shaft drives the rotor of the generator to convert the mechanical energy into electric energy for output. The oil cooler is important component equipment in the hydraulic generator, and utilizes the principle that two kinds of fluids with different temperatures carry out heat exchange to cool down the hydraulic generator, thereby ensuring the normal operation of the hydraulic generator.

The oil cooler is in hydraulic generator's oil groove, and when hydraulic generator rotated at a high speed, the high-speed rotatory thrust collar that drives in the bearing of rotor was rotatory to drive oil and oil cooler and carry out the heat exchange, this in-process unit rotation can produce great surge oil, and the surge oil drives the oil cooler and rocks, and the copper pipe in the oil cooler also rocks thereupon.

At present, an oil cooler is fixed in a water turbine in the prior art, and the problem of shaking of a copper pipe of the oil cooler cannot be solved, for example, a patent with the publication number of CN204200455U discloses a thrust bearing cooler structure of a water turbine generator, wherein a radiating fin is arranged on the surface of the copper pipe of the cooler, the cooler is provided with a fixed support, and the fixed support is a protective frame of the cooler and is also an operation platform for dismounting a thrust bearing.

Among the prior art, the copper pipe in the cooler is in under the environment of rocking for a long time, and rocks the range too big, and the copper pipe will aggravate and produce fatigue failure, leads to the copper pipe to break easily to lead to the unit trouble, need shut down the maintenance. Because the copper pipe has poor stability and shakes too frequently, the service life of the oil cooler is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic turbine oil cooler fixing device that stability can be good and long service life.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The utility model provides an oil cooler fixing device of hydraulic turbine, including shell and the copper pipe of setting in the shell inside, its characterized in that: the device also comprises a clamping plate and a screw rod, wherein each horizontal row of copper tubes are clamped by the clamping plate in a vertically matched manner, the clamping plate is provided with a screw hole, and the screw rod is used for connecting the clamping plates together in a penetrating manner through the screw holes.

In order to further enhance the overall rigidity of the clamping plate and simultaneously improve the stability of the clamping plate, the number of the screws is two, the upper clamping plate is provided with connecting holes, the screws are used for connecting the clamping plate and the upper clamping plate together in a penetrating manner, and the screws are respectively arranged at the left end and the right end of the clamping plate and the upper clamping plate.

In order to enhance the stability and the service life of the copper pipe, grooves matched with the profile of the copper pipe are arranged on the clamping plate and the upper clamping plate.

In order to improve the stability of the clamping plate, the upper clamping plate protrudes in the middle and is pressed against the top of the shell.

Furthermore, in order to improve the stability of the clamping plate, the clamping plate and two sides of the upper clamping plate abut against the shell wall, and the shaking space of the clamping plate is reduced, so that the copper pipe is limited to shake relative to the shell.

In order to enhance the stability of the shell, a fixing plate is connected to the upper right of the shell, the fixing plate is connected with a fixing block, and the right side of the fixing block is fixedly connected to the wall of the oil pool.

In order to enhance the stability of the fixed plate, the fixed plate comprises a vertical plate, a transverse plate and a reinforcing plate, the vertical plate is vertically connected to the edge of the transverse plate, and the reinforcing plate is vertically arranged between the vertical plate and the included angle of the transverse plate.

The beneficial effects of the utility model reside in that: the oil bath wall is connected through fixed plate and fixed block in the upper right side of shell, has reduced the shell because the rocking that the oil impact of surging brought, has improved the stability of shell, and the copper pipe is fixed by the multilayer clamp plate, and the clamp plate is worn to establish fixedly by the screw rod, has reduced the copper pipe because the fatigue destruction degree that rocks and bring, very big improvement the stability and the life of copper pipe.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an elevation view of a clamping plate used in an embodiment of the present invention;

FIG. 3 is a top view of the clamping plate of FIG. 2;

fig. 4 is a front view of a fixing plate used in the embodiment of the present invention;

FIG. 5 is a left side view of the fixation plate of FIG. 4;

FIG. 6 is a top view of the fixation plate of FIG. 4;

fig. 7 is a schematic structural diagram of a fixing block adopted in the embodiment of the present invention;

reference numerals: 1. a copper pipe; 2. a housing; 3. a clamping plate; 4. a screw; 5. an upper clamping plate; 6. a fixing plate; 7. a fixed block; 8. a sump wall; 9. a vertical plate; 10. a transverse plate; 11. a reinforcing plate; 12. a housing wall.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the present invention may be made without departing from the scope of the present invention as defined in the appended claims.

Example (b): as shown in fig. 1, 2 and 3, a fixing device for an oil cooler of a water turbine comprises a copper pipe 1, a shell 2, a clamping plate 3 and a screw rod 4, wherein the copper pipe 1 is clamped by the clamping plate 3 in a vertical matching manner in each horizontal row, grooves matched with the contour of the copper pipe 1 are formed in the clamping plate 3 and an upper clamping plate 5, the copper pipe 1 is clamped by the upper clamping plate 3 and the lower clamping plate 3 in a matching manner in each horizontal row, screw holes are formed in the clamping plate 3 and the upper clamping plate 5, the screw rod 4 is connected with the clamping plate 3 and the upper clamping plate 5 through the screw holes, and the clamping plate 3 and the upper clamping plate 5 are clamped together in a penetrating manner.

Preferably, the number of the screws 4 is two, the upper clamping plate 5 is provided with a connecting hole, the screws 4 connect the clamping plate 3 and the upper clamping plate 5 together in a penetrating manner, and the screws 4 are respectively arranged at the left end and the right end of the clamping plate 3 and the upper clamping plate 5.

Wherein, from up installing in proper order down clamp plate 3, the shell wall 12 is withstood to clamp plate 3 both sides, installs clamp plate 5 at last, go up the middle protrusion of clamp plate 5 and withhold 2 tops of shell, reduce clamp plate 3 rocks the space, thereby has restricted copper pipe 1 for rocking of shell 2, effectual improvement copper pipe 1's stability.

As shown in fig. 1, 4, 5, 6 and 7, a fixing plate 6 is connected to the upper right of the housing 2, the fixing plate 6 is connected with a fixing block 7, the right side of the fixing block 7 is fixed on the oil pool wall 8 in a welding manner, the fixing plate 6 comprises a vertical plate 9, a transverse plate 10 and a reinforcing plate 11, the vertical plate 9 is vertically connected to the edge of the transverse plate 10, and the reinforcing plate 11 is vertically installed between the vertical plate 9 and the transverse plate 10, so that the stability of the housing 2 is effectively enhanced.

When the hydraulic generator operates, surge oil generated by rotation of the unit impacts the oil cooler shell 2, the fixed plate 6 and the fixed block 7 limit the shaking space of the shell 2, the clamping plates 3 limit the shaking of the copper pipe 1, and all the clamping plates 3 are arranged together in a penetrating mode through the screw rods 4, so that the copper pipes 1 are connected into a whole, the rigidity and the strength of the copper pipes 1 are enhanced, the amplitude of the shaking of the copper pipes 1 in the shell 2 is reduced, the fatigue damage degree of the copper pipes 1 is reduced, and the service life of the copper pipes 1 is prolonged.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides an oil cooler fixing device of hydraulic turbine, includes shell (2) and sets up copper pipe (1) in shell (2) inside, its characterized in that: the device also comprises a clamping plate (3) and a screw rod (4), wherein each horizontal row of copper tubes (1) is clamped by the clamping plate (3) in a vertical matching manner, a screw hole is formed in the clamping plate (3), and the screw rod (4) connects the clamping plates (3) together in a penetrating manner through the screw hole.

2. The oil cooler fixture of a water turbine as set forth in claim 1, wherein: the number of the screw rods (4) is two.

3. The oil cooler mount for a water turbine according to claim 1 or 2, wherein: the device also comprises an upper clamping plate, wherein the upper clamping plate (5) is provided with a connecting hole, the screw rod (4) is connected with the upper clamping plate (5) in a penetrating way through a screw hole in the clamping plate (3) and the connecting hole in the upper clamping plate (5), the clamping plate (3) is connected with the upper clamping plate (5) in a penetrating way, and the screw rod (4) is respectively arranged at the left end part and the right end part of the clamping plate (3) and the upper clamping plate (5).

4. The oil cooler mount device for a water turbine according to claim 3, wherein: and grooves matched with the profiles of the copper pipes (1) are arranged on the clamping plate (3) and the upper clamping plate (5).

5. The oil cooler mount device for a water turbine according to claim 4, wherein: the middle of the upper clamping plate (5) protrudes and props against the top of the shell (2).

6. The oil cooler mount for a water turbine according to claim 4 or 5, wherein: the clamping plate (3) and the upper clamping plate (5) are supported against the shell wall (12) at two sides.

7. The oil cooler mount device for a water turbine according to claim 6, wherein: fixed plate (6) is connected to shell (2) upper right side, fixed block (7) is connected in fixed plate (6), fixed block (7) right side fixed connection is on oil bath wall (8).

8. The oil cooler mount device for a water turbine according to claim 7, wherein: the fixed plate (6) comprises a vertical plate (9), a transverse plate (10) and a reinforcing plate (11), the vertical plate (9) is vertically connected to the edge of the transverse plate (10), and the reinforcing plate (11) is vertically arranged between the vertical plate (9) and an included angle of the transverse plate (10).