Oil guide cooler of hydraulic generator

Abstract

The utility model discloses an oil guide cooler of a hydro-generator, which relates to the technical field of hydro-generators, a water inlet pipe is arranged outside a connecting pipe, speed reduction plates are symmetrically arranged inside a first cooling jacket and a second cooling jacket, and cooling conduction mechanisms are arranged on the inner sides of the first cooling jacket and the second cooling jacket. The cooling conduction mechanism comprises a first heat conduction sleeve arranged on the inner side of the first cooling sleeve, a second heat conduction sleeve is further arranged on the inner side of the second cooling sleeve, first conduction glue is arranged on the inner side of the first heat conduction sleeve and the inner side of the second heat conduction sleeve, and the outer portion of the first heat conduction sleeve and the outer portion of the second heat conduction sleeve are coated with second conduction glue. Energy of cooling water flowing in the first cooling sleeve and the second cooling sleeve can be transmitted into the first heat conduction sleeve and the second heat conduction sleeve through second conduction glue in the cooling conduction mechanism, and the first conduction glue is in contact with a guide bearing of the hydro-generator, so that the purpose of cooling lubricating oil in the guide bearing can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water turbine generator technical field especially water turbine generator's oil guide cooler. BACKGROUND

[0002] Water turbine generator is a kind of generator driven by water energy, its working principle is through the power of water flow to drive water turbine rotation, and then drive the rotor of generator rotation, generate electric energy, water turbine generator is usually used in hydroelectric power station, it is an important clean energy power generation equipment, when water turbine generator is used, guide bearing will be used to bear the mechanical unbalance force generated when rotor rotates and the single side magnetic pull caused by rotor eccentricity, prevent shaft swing, there is a large amount of lubricating oil in the oil groove of guide bearing, in order to avoid that lubricating oil temperature rises and causes viscosity to reduce when being used for a long time, so lubricating oil needs to be cooled.

[0003] Chinese patent discloses a kind of multi-stage split water turbine generator guide bearing oil cooler (authorized announcement No.CN209875363U), the patent technology is by three-way water pipe, fan-shaped cooler body, intercommunication water pipe, fastening bolt, fastening nut is made into whole. Multiple fan-shaped cooler body is evenly placed in the selected cooler total water inlet, water outlet position is symmetrically used two three-way water pipes as the connection between two fan-shaped cooler bodies, uses intercommunication water pipe as the connection between two fan-shaped cooler bodies in remaining connection position, the flange of all connection places is fixed by fastening bolt and fastening nut, and fixed circular whole is formed. Traditional guide bearing oil cooler mostly uses half-ring cooler, the shape of cooler is semicircle, for the case that the space in guide bearing oil groove is small and rib is many, half-ring cooler cannot be installed. The scheme of the utility model is suitable for compact guide bearing oil groove, has the characteristics such as convenient installation, convenient disassembly, maintenance replacement cost is low.

[0004] However, the cooling mode adopted by the existing water turbine generator guide bearing mostly uses multiple coolers to contact guide bearing to realize cooling, and there is gap between multiple coolers after connection, so that lubricating oil in guide bearing cannot be contacted fully, which leads to poor cooling effect. As the above-mentioned comparative document, it adopts the connection mode of multiple half-arc coolers, and in actual application, gap exists between connectors of multiple coolers after connection, which cannot contact guide bearing fully, so that lubricating oil in guide bearing cannot be cooled. Therefore, the water turbine generator oil guide cooler is provided by the person skilled in the art to solve the problems in the above background art. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides water turbine generator oil guide cooler, which solves the problems in the above background art.

[0006] To achieve the above object, the utility model discloses a water turbine generator's oil guide cooler, comprising: first cooling jacket and the second cooling jacket of setting at the first cooling jacket one side, the connecting place of first cooling jacket and second cooling jacket is provided with two groups of flow guide pipe, and the connecting pipe is arranged between two groups flow guide pipe, the outside of connecting pipe is provided with inlet pipe, and the inside symmetry of first cooling jacket and second cooling jacket is provided with the speed board, and the inside of first cooling jacket and second cooling jacket is provided with cooling conduction mechanism, cooling conduction mechanism includes the first heat conduction cover of setting in the inside of first cooling jacket, the inside of second cooling jacket is also provided with second heat conduction cover, and the inside of first heat conduction cover and second heat conduction cover is provided with first conduction glue, and the outside of first heat conduction cover and second heat conduction cover is coated with second conduction glue.

[0007] As a further technical scheme of the utility model, the upper end of the connecting pipe is through one of the flow guide pipes, and the lower end of the connecting pipe is through the other flow guide pipe.

[0008] As a further technical scheme of the utility model, the speed board is provided with at least three groups inside the first cooling jacket and the second cooling jacket, and the speed board is provided with a speed hole outside.

[0009] As a further technical scheme of the utility model, the second heat conduction cover is provided with a positioning pin on one side, and the first heat conduction cover is provided with a positioning groove on one side, which is matched with the positioning pin.

[0010] As a further technical scheme of the utility model, the outside of the second conduction glue is in contact with the inside of the first cooling jacket and the second cooling jacket, and the second conduction glue is made of epoxy resin material.

[0011] As a further technical scheme of the utility model, the thickness of the first conduction glue and the second conduction glue is the same, and the material of the first conduction glue is polyurethane.

[0012] The utility model provides water turbine generator's oil guide cooler, and has the following beneficial effects compared with prior art:

[0013] 1, the water turbine generator's oil guide cooler of the design, through two groups of flow guide pipes, the external cooling water can enter its inside through inlet pipe, and after entering the inside of first cooling jacket and second cooling jacket, the speed is reduced through the speed board, which can make the cooling water flow slowly in the inside of first cooling jacket and second cooling jacket, and then the lubricating oil in the guide bearing of the water turbine generator can be cooled, and the practicability is good.

[0014] 2、the water turbine generator of the design's oil guide cooler, through the second conduction glue in the cooling conduction mechanism, the energy of the cooling water flowing in the first cooling jacket and the second cooling jacket can be transmitted to the first heat conduction jacket and the second heat conduction jacket, and the first conduction glue is contacted with the guide bearing of the water turbine generator, so that the lubricating oil in the guide bearing can be efficiently cooled, the structure is simple, and the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a structural schematic view of the oil guide cooler of the water turbine generator;

[0016] Figure 2 Fig. 3 is a structural schematic view of the speed reduction plate in the oil guide cooler of the water turbine generator;

[0017] Figure 3 Fig. 4 is a structural schematic view of the cooling conduction mechanism in the oil guide cooler of the water turbine generator.

[0018] In the figure: 1, first cooling jacket; 2, second cooling jacket; 3, guide pipe; 31, water inlet pipe; 32, connecting pipe; 33, speed reduction plate; 4, cooling conduction mechanism; 41, first heat conduction jacket; 42, second heat conduction jacket; 43, first conduction glue; 44, second conduction glue; 45, positioning pin; 46, positioning groove. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-3The utility model provides water turbine generator's oil guide cooler technical scheme: including: first cooling jacket 1 and the second cooling jacket 2 of setting in first cooling jacket 1 one side, the connecting place of first cooling jacket 1 and second cooling jacket 2 is provided with two groups of flow guide pipe 3, and the outside of connecting pipe 32 is provided with water inlet pipe 31, and the inside symmetry of first cooling jacket 1 and second cooling jacket 2 is provided with speed reduction plate 33, and the inside of first cooling jacket 1 and second cooling jacket 2 all is provided with cooling conduction mechanism 4, cooling conduction mechanism 4 includes the first heat conduction cover 41 of setting in the inside of first cooling jacket 1, and the inside of second heat conduction cover 42 is also provided with the second heat conduction cover 42 of the inside of first heat conduction cover 41, and the outside of second heat conduction cover 42 is coated with the second conduction gum 44, and the setting utilizes water inlet pipe 31 and can be into cooling water, and through the flow guide pipe 3 of connecting pipe 32 intercommunication to the inside of first cooling jacket 1 and second cooling jacket 2, finally through the flow guide pipe 3 of first cooling jacket 1 and second cooling jacket 2 connecting place located in its rear end position intercommunication water outlet pipe to the outside discharge, and utilize cooling water to flow in the inside of first cooling jacket 1 and second cooling jacket 2, so first cooling jacket 1 and second cooling jacket 2 can be cooled to cooling conduction mechanism 4, and the purpose of utilizing cooling conduction mechanism 4 can be cooled to the lubricating oil in the guide bearing of water turbine generator.

[0021] As Figure 1 shown, the upper end of connecting pipe 32 is through with one of flow guide pipe 3, and the lower end of connecting pipe 32 is through with another flow guide pipe 3, the setting utilizes the through of connecting pipe 32 and two flow guide pipes 3, so first cooling jacket 1 and second cooling jacket 2 can be into the inside of cooling water of water inlet pipe 31, and also can be discharged through the drain pipe.

[0022] As Figure 2 shown, speed reduction plate 33 is provided with at least three groups in the inside of first cooling jacket 1 and second cooling jacket 2, and the outside of speed reduction plate 33 is provided with speed reduction hole, the setting utilizes the inside of first cooling jacket 1 and second cooling jacket 2 and is provided with speed reduction plate 33, and the circular hole speed reduction hole of speed reduction plate 33 is provided with, so the flow rate of cooling water can be reduced, so that cooling water will transfer the coldness to the outside.

[0023] As Figure 3 shown, the one side symmetry of second heat conduction cover 42 is provided with positioning pin 45, and the one side of first heat conduction cover 41 is provided with the positioning slot 46 of interengagement with positioning pin 45, the setting utilizes the interengagement of positioning pin 45 and positioning slot 46 and adapts, so first heat conduction cover 41 and second heat conduction cover 42 can be positioned and connected, and in subsequent can be installed with first cooling jacket 1 and second cooling jacket 2 through screw.

[0024] As Figure 3As shown, the outer side of the second conductive glue 44 is in contact with the inner side of the first cooling jacket 1 and the second cooling jacket 2, and the second conductive glue 44 is made of epoxy resin material, the thickness of the first conductive glue 43 is the same as that of the second conductive glue 44, and the material of the first conductive glue 43 is polyurethane, which can transmit the cooling water cold energy flowing in the first cooling jacket 1 and the second cooling jacket 2 to the first heat conducting jacket 41 and the second heat conducting jacket 42 by the second conductive glue 44, and finally transmit to the lubricating oil in the guide bearing of the hydroelectric generator by the first conductive glue 43, so as to achieve the purpose of cooling the lubricating oil.

[0025] The working principle of the utility model is as follows: when the oil guide cooler of the hydroelectric generator is used, first, the first cooling jacket 1 and the second cooling jacket 2 are arranged outside the guide bearing of the hydroelectric generator and fixed by bolts, and the water inlet pipe 31 is connected with the external cooling water pipe, the cooling water can be pumped by external equipment and enters the connecting pipe 32 through the water inlet pipe 31, and finally enters the inside of the first cooling jacket 1 and the second cooling jacket 2 through the flow guide pipe 3, and the cooling water is cooled by the speed reducer plate 33 after entering, so as to reduce the flow rate of the cooling water, so that the cooling water cold energy is better transmitted outward, that is, transmitted to the first heat conducting jacket 41 and the second heat conducting jacket 42 through the second conductive glue 44, the first heat conducting jacket 41 and the second heat conducting jacket 42 are in contact with the guide bearing outside through the first conductive glue 43, so that the cooling water cold energy is transmitted to the lubricating oil in the guide bearing of the hydroelectric generator through the first conductive glue 43, so as to cool the lubricating oil, and the utility is good.

[0026] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A hydrogenerator oil guide cooler characterized by, Including: The first cooling jacket (1) and the second cooling jacket (2) are arranged on one side of the first cooling jacket (1), the connecting part of the first cooling jacket (1) and the second cooling jacket (2) is provided with two groups of flow guide pipes (3), the connecting pipe (32) is arranged between the two groups of flow guide pipes (3), the outer part of the connecting pipe (32) is provided with a water inlet pipe (31), the inner part of the first cooling jacket (1) and the second cooling jacket (2) is symmetrically provided with a speed reduction plate (33), and the inner side of the first cooling jacket (1) and the second cooling jacket (2) is provided with a cooling conduction mechanism (4); The cooling conduction mechanism (4) includes a first heat conduction sleeve (41) arranged on the inner side of the first cooling jacket (1), the inner side of the second cooling jacket (2) is also provided with a second heat conduction sleeve (42), the inner side of the first heat conduction sleeve (41) and the second heat conduction sleeve (42) is provided with a first conductive glue (43), and the outer part of the first heat conduction sleeve (41) and the second heat conduction sleeve (42) is coated with a second conductive glue (44).

2. The oil guide cooler of the hydroelectric generator according to claim 1, characterized by, The upper end of the connecting pipe (32) penetrates one of the flow guide pipes (3), and the lower end of the connecting pipe (32) penetrates the other flow guide pipe (3).

3. The oil guide cooler of the hydroelectric generator according to claim 1, characterized by, The speed reduction plate (33) is arranged at least three groups in the inner part of the first cooling jacket (1) and the second cooling jacket (2), and the outer part of the speed reduction plate (33) is provided with a speed reduction hole.

4. The oil guide cooler of the hydroelectric generator according to claim 1, characterized by, The side of the second heat conduction sleeve (42) is symmetrically provided with a positioning pin (45), and the side of the first heat conduction sleeve (41) is provided with a positioning groove (46) matched with the positioning pin (45).

5. The oil guide cooler of the hydroelectric generator according to claim 1, characterized by, The outer side of the second conductive glue (44) is in contact with the inner side of the first cooling jacket (1) and the second cooling jacket (2), and the second conductive glue (44) is made of epoxy resin material.

6. The oil guide cooler of the hydroelectric generator according to claim 1, characterized by The thickness of the first conductive glue (43) and the second conductive glue (44) is the same, and the material of the first conductive glue (43) is polyurethane.

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