Cooling device for brake air brake of water turbine

Abstract

The water turbine brake air brake heat dissipation device comprises a brake disc and a driving shaft, an installation plate is fixedly installed at the bottom of the brake disc, two drain holes are formed in the inner ring and the outer ring of the brake disc, a heat dissipation mechanism is arranged in the brake disc, and the heat dissipation mechanism comprises a first heat dissipation plate, a supporting rod, an installation ring, a cold water pipe, a hose and drain holes. A first heat dissipation plate is fixedly mounted on the outer ring of the brake disc, a supporting rod is fixedly mounted on the inner wall of the brake disc, a mounting ring is fixedly mounted at one end of the supporting rod, and a cold water pipe sleeves the inner wall of the mounting ring. When a driving shaft is braked through a brake disc, generated heat is discharged through a second heat dissipation plate and heat dissipation holes through rotation of a fan blade plate at the moment, then heat generated by the brake disc is guided out through a first heat dissipation plate, water is injected into a cold water pipe, cold water is guided into a water flowing hole through a hose, and the brake disc is cooled; therefore, the heat dissipation effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of water turbine brake dampers, in particular to a heat dissipation device for a water turbine brake damper. Background Art

[0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy. It is a turbine machine among fluid machinery. When the water turbine needs to stop, a brake will be installed to brake it. When the brake is braking, it will rub against each other, generating a lot of heat, which can easily cause damage to it.

[0003] Patent application number 202310641489.X is a circulating heat dissipation device for a water turbine brake damper. It is powered by the hydraulic power generated by the brake disc itself, and uses the water resources when the device is running to circulate and absorb heat. It is convenient and fast, energy-saving and environmentally friendly, and has high heat dissipation efficiency. The heat dissipation efficiency of water cooling is more efficient than other traditional heat dissipation methods.

[0004] The above patent mainly dissipates heat and cools the brake by injecting water into the brake when braking. The heat dissipation method for the brake is relatively simple and the heat is discharged slowly. Therefore, a heat dissipation device for a water turbine brake damper is designed. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a heat dissipation device for a water turbine brake damper to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model proposes a water turbine brake damper heat dissipation device, comprising a brake disc and a driving shaft, a mounting plate is fixedly mounted on the bottom of the brake disc, and two water flow holes are provided on the inner and outer rings of the brake disc;

[0007] A heat dissipation mechanism is provided inside the brake disc, and the heat dissipation mechanism includes a first heat dissipation plate, a support rod, a mounting ring, a cold water pipe, a hose and a water flow hole. The first heat dissipation plate is fixedly mounted on the outer ring of the brake disc, the support rod is fixedly mounted on the inner wall of the brake disc, a mounting ring is fixedly mounted on one end of the support rod, the inner wall of the mounting ring is sleeved with a cold water pipe, and the outer ring of the cold water pipe is fixedly connected with two hoses matching the water flow holes.

[0008] In one example, a second heat sink is fixedly mounted on the inner wall of the brake disc, and a plurality of heat sink holes are formed on the top of the second heat sink.

[0009] In one example, four fan blades are fixedly mounted on the outer ring of the driving shaft.

[0010] In one example, the outer ring of the cold water pipe is rotatably connected to a movable rod, and the movable rod penetrates and extends to the cold water pipe.

[0011] In one example, a sphere is fixedly connected to one end of the movable rod, the sphere matches the cold water pipe, and a through hole is opened on one side of the sphere.

[0012] In one example, a control valve is fixedly mounted on the other end of the movable rod.

[0013] The heat dissipation device for the hydraulic turbine brake damper proposed by the utility model can bring the following beneficial effects:

[0014] 1. A water turbine brake damper heat dissipation device, when the driving shaft is braked by the brake disc, the fan blade plate rotates at this time to discharge the generated heat through the second heat dissipation plate and the heat dissipation hole, and then the first heat dissipation plate conducts the heat generated by the brake disc, and then water is injected into the cold water pipe, and then the cold water is introduced into the water flow hole through the hose to cool the brake disc. The combination of the two can effectively improve the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the partial cross-sectional structure of the cold water pipe of the utility model;

[0018] Figure 3 It is a partial cross-sectional structural schematic diagram of the brake disc of the utility model.

[0019] In the figure: 1. brake disc; 2. mounting plate; 3. first heat sink; 4. support rod; 5. mounting ring; 6. cold water pipe; 7. hose; 8. driving shaft; 9. fan blade plate; 10. control valve; 11. movable rod; 12. ball; 13. through hole; 14. second heat sink; 15. heat dissipation hole; 16. water flow hole. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0021] like Figure 1 to Figure 3 As shown, the embodiment of the utility model provides a water turbine brake damper heat dissipation device, comprising a brake disc 1 and a driving shaft 8, a mounting plate 2 is fixedly mounted on the bottom of the brake disc 1, and two water flow holes 16 are provided on the inner and outer rings of the brake disc 1;

[0022] The invention is characterized in that: a heat dissipation mechanism is provided inside the brake disc 1, and the heat dissipation mechanism includes a first heat dissipation plate 3, a support rod 4, a mounting ring 5, a cold water pipe 6, a hose 7 and a water flow hole 16; the first heat dissipation plate 3 is fixedly mounted on the outer ring of the brake disc 1; the support rod 4 is fixedly mounted on the inner wall of the brake disc 1; the mounting ring 5 is fixedly mounted on one end of the support rod 4; the inner wall of the mounting ring 5 is sleeved with the cold water pipe 6; the outer ring of the cold water pipe 6 is fixedly connected with two hoses 7 matching the water flow holes 16.

[0023] Specifically, a second heat sink 14 is fixedly mounted on the inner wall of the brake disc 1, and a plurality of heat dissipation holes 15 are provided on the top of the second heat sink 14. The second heat sink 14 is used to conduct heat better inside the brake disc 1, and the heat dissipation holes 15 are used to discharge the generated heat better.

[0024] Specifically, four fan blades 9 are fixedly mounted on the outer ring of the driving shaft 8, and the fan blades 9 are driven by the driving shaft 8 to rotate to dissipate the heat generated by braking.

[0025] Specifically, the outer ring of the cold water pipe 6 is rotatably connected with a movable rod 11 , and the movable rod 11 penetrates and extends to the cold water pipe 6 , and the control valve 10 and the ball 12 are fixed by the movable rod 11 .

[0026] Specifically, one end of the movable rod 11 is fixedly connected to a sphere 12 , which matches the cold water pipe 6 . A through hole 13 is opened on one side of the sphere 12 , through which the cold water is conveniently guided, and the sphere 12 blocks the inner wall of the cold water pipe 6 .

[0027] Specifically, a control valve 10 is fixedly mounted on the other end of the movable rod 11 , and the control valve 10 drives the rotating rod 1 to rotate.

[0028] Working principle: When the brake disc 1 brakes the driving shaft 8, the fan blade plate 9 rotates at this time to discharge the generated heat through the second heat sink 14 and the heat dissipation hole 15, and then the first heat sink 3 outputs the heat generated by the brake disc 1, and then the control valve 10 is rotated, and the ball 12 is driven to rotate through the movable rod 11, so that the through hole 13 and the diameter of the cold water pipe 6 are in the same line, and water can be guided to them, and then the cold water is guided into the water flow hole 16 through the hose 7 to cool the brake disc 1, so as to achieve the heat dissipation effect when it is braked.

[0029] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0030] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A water turbine brake damper heat dissipation device, comprising a brake disc (1) and a driving shaft (8), wherein a mounting plate (2) is fixedly mounted on the bottom of the brake disc (1), and two water flow holes (16) are provided on the inner and outer rings of the brake disc (1); Features: The brake disc (1) is provided with a heat dissipation mechanism inside, and the heat dissipation mechanism comprises a first heat dissipation plate (3), a support rod (4), a mounting ring (5), a cold water pipe (6), a hose (7) and a water flow hole (16); the first heat dissipation plate (3) is fixedly mounted on the outer ring of the brake disc (1); the support rod (4) is fixedly mounted on the inner wall of the brake disc (1); the mounting ring (5) is fixedly mounted on one end of the support rod (4); the inner wall of the mounting ring (5) is sleeved with the cold water pipe (6); and the outer ring of the cold water pipe (6) is fixedly connected with two hoses (7) matching the water flow holes (16).

2. A water turbine brake damper heat dissipation device according to claim 1, characterized in that: A second heat dissipation plate (14) is fixedly mounted on the inner wall of the brake disc (1), and a plurality of heat dissipation holes (15) are provided on the top of the second heat dissipation plate (14).

3. A water turbine brake damper heat dissipation device according to claim 1, characterized in that: Four fan blades (9) are fixedly mounted on the outer ring of the driving shaft (8).

4. A water turbine brake damper heat dissipation device according to claim 1, characterized in that: The outer ring of the cold water pipe (6) is rotatably connected to a movable rod (11), and the movable rod (11) penetrates and extends into the cold water pipe (6).

5. A water turbine brake damper heat dissipation device according to claim 4, characterized in that: One end of the movable rod (11) is fixedly connected to a sphere (12), the sphere (12) matches the cold water pipe (6), and a through hole (13) is provided on one side of the sphere (12).

6. A water turbine brake damper heat dissipation device according to claim 5, characterized in that: A control valve (10) is fixedly mounted on the other end of the movable rod (11).

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