Elastic supporting bearing device of water turbine

Abstract

The utility model discloses an elastic supporting bearing device of a water turbine, which comprises a main body assembly, a bearing assembly and a bearing assembly, one end of the strut screw is screwed on the upper section of the supporting seat; the mounting assembly comprises a supporting disc, a movable groove, a positioning ring, a connecting rod, a dimension line, a through hole and a limiting disc; the positioning ring sleeves the middle section of the strut screw and is locked through the locking rod, the supporting disc is welded to the side edge of the positioning ring and sleeves the strut screw, the movable groove is formed in the middle of the side edge of the supporting disc, the through hole is formed in the upper section of the supporting seat, one end of the connecting rod is inserted into the through hole, the other end of the connecting rod is inserted into the movable groove, and the dimension line is engraved on the upper surface of the connecting rod. The problems that when the sliding rotor is installed, the position of each group of guide bearing bush needs to be adjusted through a supporting column screw, and each group of guide bearing bush needs to be adjusted for multiple times to ensure that the sliding rotor is located in the dead center of a bearing seat, and time and labor are wasted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water turbines, in particular to a water turbine elastic support bearing device. Background Art

[0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy. It belongs to the turbine machinery in fluid machinery. The water turbine elastic support bearing is an important component of the water turbine. The water turbine elastic support bearing mainly includes the upper guide bearing, the lower guide bearing and the thrust bearing, which are composed of the bearing seat, the support screw, the guide bearing and the sliding rotor.

[0003] However, it still has the following disadvantages in actual use:

[0004] When installing the sliding rotor, it is necessary to adjust the position of each set of guide bearings by means of support screws. In order to ensure that the sliding rotor is located in the exact center of the bearing seat, it is necessary to adjust each set of guide bearings several times, which is time-consuming and laborious. Utility Model Content

[0005] The purpose of the utility model is to provide a turbine elastic support bearing device to solve the problem raised in the above-mentioned background technology that when installing the sliding rotor, the position of each group of guide bearings needs to be adjusted by support screws. In order to ensure that the sliding rotor is located in the center of the bearing seat, each group of guide bearings needs to be adjusted multiple times, which is time-consuming and labor-intensive.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a hydraulic turbine elastic support bearing device, comprising:

[0008] A main body assembly, the main body assembly comprising a support seat and a support screw;

[0009] One end of the support screw is screwed to the upper section of the support seat;

[0010] An installation assembly, the installation assembly comprising a support plate, a movable groove, a positioning ring, a connecting rod, a dimension line and a through hole;

[0011] The positioning ring is sleeved on the middle section of the pillar screw and locked by a locking rod. The support plate is welded to the side of the positioning ring and sleeved on the pillar screw. The movable groove is opened in the middle part of the side of the support plate, and the through hole is opened in the upper section of the support seat. One end of the connecting rod is inserted in the through hole, and the other end is inserted in the movable groove. The size line is engraved on the upper surface of the connecting rod.

[0012] Furthermore, the mounting assembly also includes a limiting plate, and there are two sets of limiting plates, which are connected to both ends of the connecting rod through countersunk screws.

[0013] Furthermore, the main body assembly also includes a housing, a sealing cover and a sliding rotor;

[0014] The shell is fixed on the turbine frame, the sealing cover is fixed on the upper end of the shell, and the sliding rotor is rotatably connected to the middle part of the shell.

[0015] Furthermore, the main body assembly also includes a bearing seat, a tray and a guide bushing;

[0016] The bearing seat is fixed at the middle of the inner bottom surface of the shell, the tray is rotatably connected to the end of the support screw away from the support seat, and the guide bearing is fixed to the end of the tray away from the support screw.

[0017] Furthermore, there are eight groups of support seats, support screws, trays and guide bearings, which are symmetrically distributed on the upper surface of the bearing seat.

[0018] Furthermore, it also includes a limit assembly;

[0019] The limiting assembly comprises a limiting ring, a first side ear, a second side ear and a mounting hole;

[0020] The first side ear is integrally formed with the limiting ring, and the first side ear is evenly distributed on the outside of the limiting ring, the second side ear is integrally formed with the supporting plate, and the second side ear is evenly distributed on the outside of the supporting plate, mounting holes are provided on the first side ear and the second side ear, and the first side ear on the limiting ring is connected to the second side ear on the supporting plate by screws.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] 1. The utility model, through the installation assembly provided, the support plate and the positioning ring are sleeved on the support screw and locked with a locking rod. When adjusting the position of the guide bearing, the support plate is rotated to move the connecting rod connected in the movable groove along the through hole. The position of the guide bearing is determined by observing the dimension line, and the remaining groups of guide bearings are adjusted in the same way so that the positions of the dimension lines on the connecting rod are moved to the same position. This setting can quickly adjust the position of the guide bearing to ensure that each group of guide bearings is centrally symmetrical.

[0023] 2. The utility model, through the setting of the limit assembly, puts the limit plate at one end of the connecting rod into the movable groove, and connects the limit ring through the first side ear, the second side ear and the mounting hole. This setting can prevent the connecting rod from slipping out of the movable groove. At the same time, when the supporting plate is rotated, the movement of the connecting rod is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of the shell of the utility model;

[0027] Figure 3 This is a schematic diagram of the connection between the support seat and the guide bearing bush of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the installation component of the utility model from the first perspective;

[0029] Figure 5 This is a schematic structural diagram of the installation component of the utility model from a second viewing angle.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 10. Shell; 11. Sealing cover; 12. Sliding rotor; 13. Bearing seat; 14. Support seat; 15. Pillar screw; 16. Tray; 17. Guide bearing; 20. Support plate; 21. Movable groove; 22. Positioning ring; 23. Connecting rod; 24. Dimension line; 25. Limit plate; 26. Through hole; 30. Limit ring; 31. First side ear; 32. Second side ear; 33. Mounting hole. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0034] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0035] See also Figure 1-5 As shown, this embodiment is a hydraulic turbine elastic support bearing device, comprising:

[0036] The main body assembly includes a support seat 14 and a support screw 15;

[0037] One end of the support screw 15 is screwed to the upper section of the support seat 14;

[0038] The support seat 14 plays a supporting role, and the support screw 15 plays a connecting role;

[0039] An installation assembly, the installation assembly includes a support plate 20, a movable groove 21, a positioning ring 22, a connecting rod 23, a dimension line 24 and a through hole 26;

[0040] The positioning ring 22 is sleeved on the middle section of the pillar screw 15 and locked by the locking rod. The support plate 20 is welded on the side of the positioning ring 22 and sleeved on the pillar screw 15. The movable groove 21 is provided in the middle of the side of the support plate 20. The through hole 26 is provided in the upper section of the support seat 14. One end of the connecting rod 23 is inserted in the through hole 26 and the other end is inserted in the movable groove 21. The dimension line 24 is engraved on the upper surface of the connecting rod 23.

[0041] The support plate 20 plays a supporting role, the movable groove 21 facilitates the normal movement of the connecting rod 23 when the support plate 20 rotates, the positioning ring 22 plays a connecting role, the connecting rod 23 is used to engrave the dimension line 24, the dimension line 24 facilitates the accurate adjustment of the position of the support plate 20, and the through hole 26 plays a limiting role;

[0042] The mounting assembly also includes a limit plate 25, and there are two sets of limit plates 25, which are connected to both ends of the connecting rod 23 by countersunk screws;

[0043] The limit plate 25 serves as a limiter;

[0044] The main assembly also includes a housing 10, a sealing cover 11 and a sliding rotor 12;

[0045] The housing 10 is fixed on the turbine frame, the sealing cover 11 is fixed on the upper end of the housing 10, and the sliding rotor 12 is rotatably connected to the middle of the housing 10;

[0046] The housing 10 plays a protective role, the sealing cover 11 plays a sealing role, and the sliding rotor 12 is used to connect the main shaft;

[0047] The main assembly also includes a bearing seat 13, a tray 16 and a guide bearing bush 17;

[0048] The bearing seat 13 is fixed to the middle of the bottom surface of the housing 10, the tray 16 is rotatably connected to the end of the support screw 15 away from the support seat 14, and the guide bearing 17 is fixed to the end of the tray 16 away from the support screw 15;

[0049] The bearing seat 13 plays a supporting role, the tray 16 plays a connecting role, the guide bearing 17 is in direct contact with the sliding rotor 12, and is made of steel forging, with a black gold layer welded on the bearing surface;

[0050] There are eight groups of support seats 14 , support screws 15 , trays 16 and guide bearing bushes 17 symmetrically distributed on the upper surface of the bearing seat 13 .

[0051] Working principle:

[0052] Sleeve the support plate 20 and the positioning ring 22 onto the support screw 15 and lock them with the locking rod;

[0053] When adjusting the position of the guide bearing bush 17, the support plate 20 is rotated to drive the support screw 15 to move, thereby driving the guide bearing bush 17 to move, so that the connecting rod 23 connected to the movable groove 21 moves along the through hole 26, and the position of the guide bearing bush 17 is determined by observing the dimension line 24;

[0054] Use the same method to adjust the remaining groups of guide bearings 17 so that the position of the dimension line 24 on the connecting rod 23 is moved to the same.

[0055] This step can quickly adjust the position of the guide bearing bushings 17 to ensure that each group of guide bearing bushings 17 is centrally symmetrical.

[0056] See also Figure 4-5 This embodiment is based on the above embodiment 1 and further includes:

[0057] A limiting assembly, the limiting assembly comprising a limiting ring 30, a first side ear 31, a second side ear 32 and a mounting hole 33;

[0058] The first side ear 31 is integrally formed with the limiting ring 30, and the first side ear 31 is evenly distributed on the outside of the limiting ring 30, the second side ear 32 is integrally formed with the supporting plate 20, and the second side ear 32 is evenly distributed on the outside of the supporting plate 20, and mounting holes 33 are provided on the first side ear 31 and the second side ear 32, and the first side ear 31 on the limiting ring 30 is connected to the second side ear 32 on the supporting plate 20 by screws;

[0059] The limiting ring 30 plays a limiting role, and the first side ear 31, the second side ear 32 and the mounting hole 33 play a connecting role.

[0060] Working principle:

[0061] The limiting plate 25 at one end of the connecting rod 23 is placed into the movable groove 21 , and the limiting ring 30 and the screw are passed through the mounting holes 33 on the first side ear 31 and the second side ear 32 and tightened.

[0062] This step can prevent the connecting rod 23 from slipping out of the movable groove 21, and when the supporting plate 20 is rotated, the connecting rod 23 moves more stably.

[0063] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water turbine elastic support bearing device, characterized in that: include: A main body component, the main body component comprising a support seat (14) and a support screw (15); One end of the support screw (15) is screwed to the upper section of the support seat (14); An installation assembly, the installation assembly comprising a support plate (20), a movable groove (21), a positioning ring (22), a connecting rod (23), a dimension line (24) and a through hole (26); The positioning ring (22) is sleeved on the middle section of the pillar screw (15) and is locked by a locking rod. The support plate (20) is welded on the side of the positioning ring (22) and sleeved on the pillar screw (15). The movable groove (21) is arranged in the middle part of the side of the support plate (20). The through hole (26) is arranged in the upper section of the support seat (14). One end of the connecting rod (23) is inserted into the through hole (26) and the other end is inserted into the movable groove (21). The dimension line (24) is engraved on the upper surface of the connecting rod (23).

2. The water turbine elastic support bearing device according to claim 1, characterized in that: The installation assembly also includes a limiting plate (25), and there are two sets of limiting plates (25) connected to the two ends of the connecting rod (23) through countersunk screws.

3. The water turbine elastic support bearing device according to claim 1, characterized in that: The main body assembly also includes a housing (10), a sealing cover (11) and a sliding rotor (12); The housing (10) is fixed on a turbine frame, the sealing cover (11) is fixed on the upper end of the housing (10), and the sliding rotor (12) is rotatably connected to the middle of the housing (10).

4. The water turbine elastic support bearing device according to claim 3, characterized in that: The main body assembly also includes a bearing seat (13), a tray (16) and a guide bearing bush (17); The bearing seat (13) is fixed to the middle of the inner bottom surface of the housing (10), the tray (16) is rotatably connected to the end of the support screw (15) away from the support seat (14), and the guide bearing (17) is fixed to the end of the tray (16) away from the support screw (15).

5. The water turbine elastic support bearing device according to claim 1, characterized in that: There are eight groups of support seats (14), support screws (15), trays (16) and guide bearing bushes (17), which are symmetrically distributed on the upper surface of the bearing seat (13).

6. The water turbine elastic support bearing device according to claim 1, characterized in that: Also includes a limiter assembly; The limiting assembly comprises a limiting ring (30), a first side ear (31), a second side ear (32) and a mounting hole (33); The first side ear (31) is integrally formed with the limiting ring (30), and the first side ear (31) is evenly distributed on the outside of the limiting ring (30); the second side ear (32) is integrally formed with the supporting plate (20), and the second side ear (32) is evenly distributed on the outside of the supporting plate (20); mounting holes (33) are provided on the first side ear (31) and the second side ear (32); the first side ear (31) on the limiting ring (30) is connected to the second side ear (32) on the supporting plate (20) by screws.

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