Plastic tile structure of thrust bearing of water-turbine generator set

Abstract

The utility model discloses a water-turbine generator set thrust bearing plastic tile structure which comprises an oil supply assembly and a plurality of plastic tiles, the plurality of plastic tiles are evenly arranged between a base tile and a runner plate in the circumferential direction, an expansion copper pipe assembly is arranged in each plastic tile, and one end of each expansion copper pipe assembly extends to the side face of the corresponding plastic tile. The other end of the expansion copper pipe assembly extends to the upper end face of the plastic tile. The oil supply assembly is provided with a plurality of oil supply ends which are detachably connected with one sides of the multiple plastic tiles correspondingly and communicate with one ends of the multiple expansion copper pipe assemblies correspondingly. Before turning, the multiple oil supply ends of the oil supply assembly can be connected to one sides of the multiple plastic tiles respectively, so that high-pressure oil is supplied to the upper ends of the multiple plastic tiles through the expansion copper pipe assemblies in the multiple plastic tiles, oil films are formed on all the plastic tiles, the friction force between a runner plate and the plastic tiles is reduced, and the turning efficiency of the runner plate is improved. Therefore, manual barring and other methods are adopted instead of a special barring device for barring, and the barring efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of hydro-generator sets, and in particular relates to a plastic tile structure for the thrust bearing of a hydro-generator set. Background Technology

[0002] Currently, large hydroelectric generator sets generally use thrust bearings to support the weight of the rotating parts of the generator and the water thrust; among them, the thrust bearings mainly come in two forms: black gold tiles and plastic tiles.

[0003] However, the black metal roof tile must be equipped with a high-pressure oil system, and the maintenance of the high-pressure oil system is relatively large; in addition, the process of turning the plastic roof tile during unit maintenance is relatively complicated. The tile surface needs to be coated with grease, the upper shaft of the rotor needs to be replaced with a dummy shaft, and a specific turning device also needs to be installed, which makes the turning efficiency low. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, this utility model provides a plastic bearing structure for the thrust bearing of a hydro-generator set, which can improve the turning efficiency.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A plastic bearing structure for a thrust bearing of a hydro-generator set, comprising:

[0007] Several plastic tiles are evenly arranged circumferentially between the base tile and the mirror plate. An expansion copper tube assembly is installed inside the plastic tile. One end of the expansion copper tube assembly extends to the side of the plastic tile, and the other end of the expansion copper tube assembly extends to the top surface of the plastic tile.

[0008] The oil supply assembly is provided with several oil supply ends that are detachably connected to one side of several plastic tiles and connected to one end of several expansion copper tube assemblies.

[0009] The beneficial effects of adopting the above technical solution are as follows: Before turning the machine, multiple oil supply ends of the oil supply component can be connected to one side of multiple plastic tiles respectively, so that high-pressure oil can be supplied to the upper end of multiple plastic tiles through the expansion copper pipe components inside the multiple plastic tiles, thereby forming an oil film on all plastic tiles, thereby reducing the friction between the mirror plate and the plastic tiles, so that manual turning or other methods can be used instead of using a special turning device to turn the machine, thereby improving the turning efficiency.

[0010] Furthermore, the oil supply assembly includes a plurality of first hoses, one end of which is provided with a plurality of quick connectors for detachable connection to one side of a plurality of plastic tiles.

[0011] The beneficial effects of adopting the above technical solution are as follows: This configuration allows multiple oil supply terminals of the oil supply assembly to be quickly connected to multiple plastic bearings, thereby further improving the turning efficiency.

[0012] Furthermore, the oil supply assembly includes an oil pump, a second hose, and an annular pipe located outside all the plastic tiles. The two ends of the second hose are respectively connected to the output end of the oil pump and the annular pipe, and the ends of all the first hoses away from the plastic tiles are connected to the annular pipe.

[0013] The beneficial effects of adopting the above technical solution are as follows: the oil pump can supply high-pressure oil into the annular pipe through the second hose, and the high-pressure oil entering the annular pipe is supplied into multiple plastic tiles through multiple first hoses, and finally enters between the plastic tile and the mirror plate to establish an oil film.

[0014] Furthermore, one side of the plastic tile is provided with a first connection hole for detachable connection of a quick coupling.

[0015] The beneficial effect of adopting the above technical solution is that the plastic tile can be detachably connected to the quick connector through the first connecting hole.

[0016] Furthermore, a one-way valve is provided at the inner end of the first connecting hole, and the end of the one-way valve away from the first connecting hole is the oil outlet end and is connected to one end of the expansion copper tube assembly.

[0017] The beneficial effect of adopting the above technical solution is that this setting avoids backflow of high-pressure oil entering the expansion copper tube assembly.

[0018] Furthermore, the thrust bearing plastic bearing structure of the hydro-generator set includes a first plug for detachably connecting the first connection hole.

[0019] The beneficial effects of adopting the above technical solution are as follows: when supplying high-pressure oil, the first plug can be removed from the first connection hole so that the quick connector can be installed into the first connection hole; when the supply of high-pressure oil is stopped, the first plug can be installed into the first connection hole to block the first connection hole.

[0020] Furthermore, the expansion copper tube assembly includes a horizontal first copper tube and a vertical second copper tube. One end of the first copper tube extends toward a first connecting hole, and the other end of the first copper tube connects to the second copper tube. The upper end of the second copper tube extends toward the upper surface of the plastic tile.

[0021] The beneficial effects of adopting the above technical solution are as follows: the high-pressure oil supplied from the first connection hole can be supplied to the upper surface of the plastic tile through the first copper pipe and the second copper pipe in sequence, so as to establish an oil film between the plastic tile and the mirror plate.

[0022] Furthermore, the lower part of the plastic tile is provided with a second connecting hole for detachably connecting a second plug, and the lower end of the second copper tube extends to the second connecting hole.

[0023] The beneficial effects of adopting the above technical solution are as follows: the lower end of the second copper tube extends to the second connecting hole, that is, the hole for installing the second copper tube also extends to the second connecting hole. The hole for installing the second copper tube and the second connecting hole vertically penetrate the plastic tile together, which is beneficial for processing the hole for installing the second copper tube and the second connecting hole. At the same time, the horizontal processing position for installing the first copper tube can be easily observed through the second connecting hole and the hole for installing the second copper tube, which is beneficial for processing the hole for installing the first copper tube. In addition, the fact that the hole for installing the second copper tube and the second connecting hole vertically penetrate the plastic tile together is also beneficial for discharging the slag generated during processing the hole for installing the first copper tube and the hole for installing the second copper tube from the second connecting hole.

[0024] Furthermore, an oil injection port is connected to the upper end of the expansion copper tube assembly.

[0025] Furthermore, an oil sump is provided at the upper end of the plastic tile, and the oil spraying end of the oil nozzle is connected to the oil sump.

[0026] The beneficial effects of this utility model are as follows:

[0027] Before turning the machine, multiple oil supply terminals of the oil supply assembly can be connected to one side of multiple plastic tiles respectively, so that high-pressure oil can be supplied to the upper end of multiple plastic tiles through the expansion copper tube assembly inside the multiple plastic tiles, thereby forming an oil film on all plastic tiles, thereby reducing the friction between the mirror plate and the plastic tiles, so that manual turning or other methods can be used instead of using a special turning device, thus improving the turning efficiency. Attached Figure Description

[0028] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0029] in:

[0030] Figure 1 A schematic diagram of the structure of this utility model is shown;

[0031] Figure 2 An installation diagram of this utility model is shown;

[0032] Figure 3 This diagram shows the structural schematic of the present invention at the plastic tile.

[0033] In the accompanying drawings, the same parts use the same reference numerals. The drawings are not to scale.

[0034] Figure label:

[0035] 1. Mirror plate; 2. Plastic tile; 201. First connecting hole; 202. Second connecting hole; 203. Oil sump; 3. Oil supply assembly; 301. Quick connector; 302. First hose; 303. Ring pipe; 304. Second hose; 305. Oil pump; 4. Base tile; 5. Expansion copper pipe assembly; 501. First copper pipe; 502. Second copper pipe; 6. First plug; 7. Check valve; 8. Second plug; 9. Oil nozzle. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings.

[0037] This utility model provides a plastic bearing structure for the thrust bearing of a hydro-generator set, such as... Figure 1-3 As shown, it includes:

[0038] Several plastic tiles 2 are evenly arranged circumferentially between the base tile 4 and the mirror plate 1. An expansion copper tube assembly 5 is provided inside the plastic tile 2. One end of the expansion copper tube assembly 5 extends to the side of the plastic tile 2, and the other end of the expansion copper tube assembly 5 extends to the upper surface of the plastic tile 2.

[0039] The oil supply assembly 3 is provided with several oil supply ends that are detachably connected to one side of several plastic tiles 2 and respectively connected to one end of several expansion copper pipe assemblies 5.

[0040] Understandably, before turning the machine, multiple oil supply ends of the oil supply component 3 can be connected to one side of multiple plastic tiles 2 respectively, so that high-pressure oil can be supplied to the upper end of multiple plastic tiles 2 through the expansion copper pipe component 5 inside the multiple plastic tiles 2 respectively, thereby forming an oil film on all plastic tiles 2, thereby reducing the friction between the mirror plate 1 and the plastic tiles 2, which can reduce the resistance of the plastic tiles 2 during turning, so that manual turning or other methods can be used instead of using a special turning device, thereby improving the turning efficiency.

[0041] In one embodiment, the oil supply assembly 3 includes a plurality of first hoses 302, and one end of each of the plurality of first hoses 302 is provided with a plurality of quick connectors 301 for threaded connection with one side of a plurality of plastic tiles 2.

[0042] Understandably, this configuration allows for the rapid connection of multiple oil supply terminals of the oil supply assembly 3 to multiple plastic bearings 2, thereby further improving the turning efficiency.

[0043] In one embodiment, the oil supply assembly 3 includes an oil pump 305, a second hose 304, and an annular pipe 303 located outside all the plastic tiles 2. The two ends of the second hose 304 are respectively connected to the output end of the oil pump 305 and the annular pipe 303, and the ends of all the first hoses 302 away from the plastic tiles 2 are connected to the annular pipe 303.

[0044] Understandably, the oil pump 305 can supply high-pressure oil through the second hose 304 into the annular pipe 303. The high-pressure oil entering the annular pipe 303 is then supplied through multiple first hoses 302 into multiple plastic tiles 2, and finally enters between the plastic tiles 2 and the mirror plate 1 to establish an oil film.

[0045] It should be noted that the first hose 302 is a high-pressure hose, the annular pipe 303 is a temporary annular pipe, and the oil pump 305 is a high-pressure oil pump; in addition, after the turning gear is completed, the first hose 302, the annular pipe 303, the second hose 304 and the oil pump 305 can be removed.

[0046] In one embodiment, a first connection hole 201 for threaded connection of quick connector 301 is provided on one side of the plastic tile 2.

[0047] It should be noted that one end of the first connecting hole 201 may be provided with an internal thread, and correspondingly, one end of the quick connector 301 may be provided with an external thread.

[0048] In one embodiment, a one-way valve 7 is provided at the inner end of the first connection hole 201. The end of the one-way valve 7 away from the first connection hole 201 is the oil outlet and is connected to one end of the expansion copper tube assembly 5 to prevent the high-pressure oil entering the expansion copper tube assembly 5 from flowing back. The one-way valve 7 is a high-pressure one-way valve 7.

[0049] In one embodiment, the thrust bearing plastic bearing structure of the hydro-generator set includes a first plug 6 for threaded connection of the first connection hole 201.

[0050] Understandably, when supplying high-pressure oil, the first plug 6 can be removed from the first connection hole 201 so that the quick connector 301 can be installed into the first connection hole 201; when stopping the supply of high-pressure oil, the first plug 6 can be installed into the first connection hole 201 to block the first connection hole 201.

[0051] In one embodiment, the expansion copper tube assembly 5 includes a horizontal first copper tube 501 and a vertical second copper tube 502. One end of the first copper tube 501 extends toward the first connecting hole 201, and the other end of the first copper tube 501 is connected to the second copper tube 502. The upper end of the second copper tube 502 extends toward the upper surface of the plastic tile 2.

[0052] It is understandable that the high-pressure oil supplied from the first connection hole 201 can be supplied to the upper end face of the plastic tile 2 in sequence through the first copper pipe 501 and the second copper pipe 502, so as to establish an oil film between the plastic tile 2 and the mirror plate 1.

[0053] In one embodiment, the lower part of the plastic tile 2 is provided with a second connection hole 202 for threaded connection of the second plug 8, and the lower end of the second copper tube 502 extends to the second connection hole 202.

[0054] Understandably, the lower end of the second copper tube 502 extends to the second connecting hole 202, meaning the hole for installing the second copper tube 502 also extends to the second connecting hole 202. The hole for installing the second copper tube 502 and the second connecting hole 202 together vertically penetrate the plastic tile 2. This facilitates the processing of the hole for installing the second copper tube 502 and the second connecting hole 202. At the same time, the second connecting hole 202 and the hole for installing the second copper tube 502 also allow for easy observation of the horizontal processing position of the first copper tube 501, thus facilitating the processing of the hole for installing the first copper tube 501. In addition, the fact that the hole for installing the second copper tube 502 and the second connecting hole 202 together vertically penetrate the plastic tile 2 also facilitates the discharge of slag generated during the processing of the holes for installing the first copper tube 501 and the holes for installing the second copper tube 502 from the second connecting hole 202.

[0055] It should be noted that after the second connecting hole 202, the hole body for installing the second copper tube 502, the first connecting hole 201, and the hole body for installing the first copper tube 501 are processed, the second plug 8 can be installed into the second connecting hole 202.

[0056] In one embodiment, the upper end of the expansion copper tube assembly 5 is connected to an oil injection port 9.

[0057] In one embodiment, an oil tank 203 is provided at the upper end of the plastic tile 2, and the oil spraying end of the oil spray nozzle 9 is connected to the oil tank 203.

[0058] In addition, this utility model is designed with an expansion copper tube assembly 5 to prevent high-pressure oil from seeping between the base tile 4 and the plastic tile 2, thereby preventing the plastic tile 2 from bulging.

[0059] In summary, this invention reduces the resistance of the plastic tile 2 during rotation by modifying its internal structure and temporarily injecting oil between the plastic tile 2 and the mirror plate 1 using an oil pump 305 to form an oil film. This facilitates manual rotation and other methods of rotation. In other words, it eliminates the need to apply grease to the tile surface during rotation of the hydro-generator unit, and the rotor's upper shaft does not require a dummy shaft or specific rotation device. This improves rotation efficiency, saves construction time, effectively reduces the labor intensity of operators, and protects their safety.

[0060] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0061] While specific embodiments of the present invention have been described herein with reference to them, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that different dependent claims and features described herein can be combined in ways different from those described in the original claims. It is also understood that features described in conjunction with individual embodiments can be used in other described embodiments.

Claims

1. A plastic pad structure of a thrust bearing of a hydroelectric generating unit, characterized in that, include: A plurality of plastic tiles (2) are evenly arranged circumferentially between the base tile (4) and the mirror plate (1). An expansion copper tube assembly (5) is provided inside the plastic tile (2). One end of the expansion copper tube assembly (5) extends to the side of the plastic tile (2), and the other end of the expansion copper tube assembly (5) extends to the upper surface of the plastic tile (2). The oil supply assembly (3) is provided with several oil supply ends that are detachably connected to one side of several plastic tiles (2) and respectively connected to one end of several expansion copper tube assemblies (5).

2. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 1, characterized in that, The oil supply assembly (3) includes a plurality of first hoses (302), and one end of each of the plurality of first hoses (302) is provided with a plurality of quick connectors (301) for detachable connection with one side of the plurality of plastic tiles (2).

3. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 2, characterized in that, The oil supply assembly (3) includes an oil pump (305), a second hose (304), and an annular pipe (303) located outside all the plastic tiles (2). The two ends of the second hose (304) are respectively connected to the output end of the oil pump (305) and the annular pipe (303). The ends of all the first hoses (302) away from the plastic tiles (2) are connected to the annular pipe (303).

4. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 2, characterized in that, The plastic tile (2) has a first connection hole (201) on one side for detachably connecting the quick connector (301).

5. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 4, wherein A one-way valve (7) is provided at the inner end of the first connecting hole (201). The end of the one-way valve (7) away from the first connecting hole (201) is the oil outlet end and is connected to one end of the expansion copper tube assembly (5).

6. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 4, wherein Includes a first plug (6) for detachably connecting the first connection hole (201).

7. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 4, wherein The expansion copper tube assembly (5) includes a horizontal first copper tube (501) and a vertical second copper tube (502). One end of the first copper tube (501) extends toward the first connecting hole (201), and the other end of the first copper tube (501) is connected to the second copper tube (502). The upper end of the second copper tube (502) extends toward the upper surface of the plastic tile (2).

8. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 7, characterized in that, The lower part of the plastic tile (2) is provided with a second connection hole (202) for detachably connecting the second plug (8), and the lower end of the second copper tube (502) extends to the second connection hole (202).

9. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 1, wherein The upper end of the expansion copper tube assembly (5) is connected to an oil injection port (9).

10. The plastic thrust bearing pad structure of a hydroelectric generating unit according to claim 9, wherein An oil tank (203) is provided at the upper end of the plastic tile (2), and the oil spraying end of the oil spray nozzle (9) is connected to the oil tank (203).

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