Bearing oil shield mounting device

Abstract

The utility model provides a bearing oil shield installation device, which belongs to the technical field of steam turbine bearing oil shield installation and comprises a bearing plate, a bearing oil shield and a bearing oil shield. The electric winding device is installed on the bearing plate, the electric winding device is provided with a first rope and a second rope which can ascend and descend, and the first rope and the second rope are symmetrically distributed on the two sides of the shaft and extend downwards; the extending ends of the first rope and the second rope are connected with connecting blocks correspondingly, and the connecting blocks are used for being connected with an oil shield to be installed. According to the bearing oil shield installation device, the oil shield to be installed connected with the two connecting blocks is lifted by lifting the first rope and the second rope on the electric winding device, and therefore the gap between the bearing and the oil shield can be electrically adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of turbine bearing oil retainer installation, in particular to a bearing oil retainer installation device. Background Art

[0002] The turbine bearing oil baffle is an important component used for oil sealing in the shaft support system of the turbine generator set. The oil baffle itself is heavy and it is very inconvenient to move and install it manually, so it needs to use load-bearing equipment such as cranes and jacks. During the installation of the oil baffle, if the gap between the inner ring of the oil baffle and the cylindrical surface of the bearing rotor is too large, it will cause oil leakage, and if the gap is too small, it may cause wear and even fire, affecting the safe operation of the unit.

[0003] Chinese patent document CN213270003U discloses a mechanism for quickly adjusting the gap between a turbine bearing and an oil baffle. First, the oil baffle is hoisted to the vertical end face of the lower housing of the bearing box by a crane, and the oil baffle bolts are connected to the end face of the lower housing of the bearing box by mounting bolts. Then, the bolts on the support beams on both sides of the axial direction of the bearing rotor are adjusted. After the position of the oil baffle is adjusted to the right position, the mounting bolts are fully tightened to secure it.

[0004] However, in the above technical solution, the clearance between the turbine bearing and the oil baffle needs to be manually adjusted using the mounting bolts on the support beam, which consumes time and manpower during the adjustment process. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the defect of the prior art that the clearance between the turbine bearing and the oil baffle needs to be manually adjusted, which is time-consuming and labor-intensive, thereby providing a bearing oil baffle installation device.

[0006] In order to solve the above technical problems, the utility model provides a bearing oil retainer installation device, comprising: a receiving plate, suitable for being supported on a shaft;

[0007] An electric winding device is mounted on the receiving plate, and comprises a first rope and a second rope capable of being raised and lowered, wherein the first rope and the second rope are symmetrically distributed on both sides of the shaft and extend downward;

[0008] The extending ends of the first rope and the second rope are respectively connected with connecting blocks, and the connecting blocks are used to connect the oil baffle to be installed.

[0009] Optionally, the receiving plate has an extension portion extending toward both sides along the radial direction of the shaft, and the extension portion has a through hole for passing the rope.

[0010] Optionally, the bottom of the receiving plate has an inner curved surface for fitting with the outer surface of the shaft.

[0011] Optionally, the bottom of the receiving plate has a boss protruding downward, and the inner arc surface is arranged on the lower surface of the boss.

[0012] Optionally, the connecting block has an external thread for connecting to the oil baffle.

[0013] Optionally, both side end faces of the oil baffle are provided with internal threads respectively cooperating with the connecting block.

[0014] Optionally, the electric winding device includes: a motor, a worm connected to the output shaft of the motor, a worm wheel matched with the worm, and a winding shaft connected to the worm wheel, and the rope is wound on the winding shaft.

[0015] Optionally, the motor is a double-headed motor, the worm includes a first worm and a second worm, the first output shaft of the double-headed motor is connected to the first worm, and the second output shaft is connected to the second worm; the worm wheel includes a first worm wheel and a second worm wheel, the first worm wheel cooperates with the first worm, and the second worm wheel cooperates with the second worm; the first worm wheel is connected to a first winding shaft, the second worm wheel is connected to a second winding shaft, and the first winding shaft and the second winding shaft are symmetrically arranged.

[0016] Optionally, the electric winding device has a fixed frame, the worm wheel and the worm are rotatably mounted on the fixed frame respectively, and the motor is detachably mounted on the fixed frame.

[0017] Optionally, the motor is mounted on the fixing bracket by means of a clamp and screws.

[0018] The technical solution of the utility model has the following advantages:

[0019] 1. The utility model provides a bearing oil baffle installation device, wherein the receiving plate is suitable for being supported on the shaft, the electric winding device is installed on the receiving plate, the electric winding device has a first rope and a second rope that can be raised and lowered, the first rope and the second rope are symmetrically distributed on both sides of the shaft and extend downward, and the oil baffle to be installed connected to the two connecting blocks is lifted by raising and lowering the first rope and the second rope on the electric winding device, so that the gap between the bearing and the oil baffle can be electrically adjusted.

[0020] 2. The bearing oil baffle installation device provided by the utility model, the receiving plate has an extension portion extending toward both sides along the radial direction of the shaft, and the extension portion has a through hole for passing the rope, so that the rope can be connected to the receiving plate, and the receiving plate can support and stabilize the upper electric winding device.

[0021] 3. The bearing oil baffle installation device provided by the utility model has an inner arc surface at the bottom of the receiving plate for fitting with the outer surface of the shaft, which can perfectly support the receiving plate on the outer surface of the shaft.

[0022] 4. The bearing oil baffle installation device provided by the utility model has a downwardly protruding boss at the bottom of the receiving plate, and the inner arc surface is arranged on the lower surface of the boss, which can make the boss of the receiving plate contact with the shaft and increase the bending resistance of the receiving plate.

[0023] 5. The bearing oil stopper installation device provided by the utility model has an external thread on the connecting block for connecting with the oil stopper, which can firmly connect the connecting block to the oil stopper to prevent the connecting block from falling during the lifting process.

[0024] 6. The bearing oil baffle installation device provided by the utility model has internal threads on both side end faces of the oil baffle respectively cooperating with the connecting block. While the connecting block is firmly connected to the oil baffle, the gap between the oil baffle and both sides of the shaft can be adjusted.

[0025] 7. The utility model provides a bearing oil baffle installation device, wherein the electric winding device comprises: a motor, a worm connected to the output shaft of the motor, a worm wheel matched with the worm, and a winding shaft connected to the worm wheel. The rope is wound around the winding shaft, and the worm is driven to rotate by the output shaft of the motor, thereby driving the worm wheel to rotate, thereby electrically lifting the rope on the winding shaft, saving time and effort.

[0026] 8. The utility model provides a bearing oil baffle installation device, wherein the motor is a double-headed motor, the worm comprises a first worm and a second worm, the first output shaft of the double-headed motor is connected to the first worm, and the second output shaft is connected to the second worm; the worm wheel comprises a first worm wheel and a second worm wheel, the first worm wheel cooperates with the first worm, and the second worm wheel cooperates with the second worm; the first worm wheel is connected to a first winding shaft, and the second worm wheel is connected to a second winding shaft, the first winding shaft and the second winding shaft are symmetrically arranged, and can adjust the gap between the two sides of the oil baffle and the shaft respectively.

[0027] 9. The utility model provides a bearing oil baffle installation device, wherein the electric winding device has a fixed frame, the worm wheel and the worm are rotatably installed on the fixed frame respectively, and the motor is detachably installed on the fixed frame, which can be used to install and fix the worm wheel, the worm and the motor and is convenient for disassembly.

[0028] 10. The bearing oil baffle installation device provided by the utility model, the motor is installed on the fixing frame through the cooperation of the clamp and the screw, which can firmly fix the motor on the fixing frame and facilitate disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A front cross-sectional view of a specific implementation of the bearing oil retainer installation device provided in an embodiment of the utility model;

[0031] Figure 2 A front view of a specific implementation of the bearing oil retainer installation device provided in an embodiment of the utility model;

[0032] Figure 3 It is a top view of a specific implementation of the bearing oil baffle installation device provided in the embodiment of the utility model.

[0033] Description of reference numerals:

[0034] 1. Bearing box; 2. Shaft; 3. Oil baffle; 4. Adapter plate; 5. First rope; 6. Second rope; 7. Connecting block; 8. First worm gear; 9. Second worm gear; 10. Boss; 11. Fixed frame; 12. Double-head motor; 13. First worm; 14. Second worm. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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.

[0038] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0039] like Figure 1 As shown, the bearing oil baffle installation device provided in this embodiment is used to install the bearing oil baffle on the bearing seat. Specifically, the bearing seat is provided with a threaded hole for connecting a screw on the side wall, and the oil baffle has a through hole for passing the screw, and the aperture of the through hole is larger than the screw passing through, so that the gap can be adjusted during the installation of the oil baffle; after the adjustment is completed, the screw is tightened to complete the fixing of the oil baffle; finally, the installation device is removed to operate the equipment.

[0040] In addition, if Figure 1 As shown, threaded holes are respectively provided on the end faces of both ends of the oil stopper for threaded connection with the connection block 7 of this embodiment. Of course, the above description is not restrictive, and in some alternative embodiments, the oil stopper can also be connected to the connection block 7 in other ways, such as a snap connection.

[0041] like Figure 1 As shown, a specific implementation of the bearing oil retainer installation device provided in this embodiment includes: a receiving plate 4, an electric winding device and a connecting block 7. The receiving plate 4 is suitable for being supported on the shaft 2;

[0042] The electric winding device is installed on the receiving plate 4, and the electric winding device has a first rope 5 and a second rope 6 that can be raised and lowered, and the first rope 5 and the second rope 6 are symmetrically distributed on both sides of the shaft 2 and extend downward;

[0043] The extending ends of the first rope 5 and the second rope 6 are respectively connected with connecting blocks 7, and the connecting blocks 7 are used to connect the oil baffle to be installed.

[0044] The bearing oil stopper installation device provided in this embodiment can electrically adjust the gap between the bearing and the oil stopper 3 by lifting the first rope 5 and the second rope 6 on the electric winding device to lift the oil stopper 3 to be installed connected to the two connecting blocks 7.

[0045] like Figure 1 As shown, in the bearing oil retainer installation device provided in this embodiment, the receiving plate 4 has extensions extending toward both sides along the radial direction of the shaft 2, and the extensions have through holes for passing the rope. In this way, the rope can be connected to the receiving plate 4, and the receiving plate 4 can support and stabilize the upper electric winding device.

[0046] Of course, the above description is not restrictive, and in some alternative embodiments, the receiving plate 4 may not be provided with an extension portion, and the through hole for the rope may also not be provided.

[0047] like Figure 1 As shown, in the bearing oil retainer installation device provided in this embodiment, the bottom of the receiving plate 4 has an inner arc surface for fitting with the outer surface of the shaft 2. In this way, the receiving plate 4 can be perfectly supported on the outer surface of the shaft 2.

[0048] Of course, the above description is not restrictive, and in some alternative embodiments, the bottom of the receiving plate 4 can be set to a flat surface or a bottom surface of other shapes.

[0049] like Figure 1 As shown, in the bearing oil retainer installation device provided in this embodiment, the bottom of the receiving plate 4 has a boss 10 protruding downward, and the inner arc surface is arranged on the lower surface of the boss 10. Such an arrangement enables the boss 10 of the receiving plate 4 to contact the shaft 2, thereby increasing the bending resistance of the receiving plate 4.

[0050] Of course, the above description is not restrictive, and in some alternative embodiments, the boss 10 may not be provided at the bottom of the receiving plate 4 .

[0051] like Figure 1 As shown, in the bearing oil stopper installation device provided in this embodiment, the connecting block 7 has an external thread for connecting with the oil stopper, which can firmly connect the connecting block 7 with the oil stopper 3. In this way, the connecting block 7 can be firmly connected with the oil stopper 3 to prevent the connecting block 7 from falling during the lifting process.

[0052] Of course, the above description is not restrictive. In some alternative embodiments, the connecting block 7 may not be provided with external threads, and may be connected to the oil baffle 3 in other ways.

[0053] like Figure 2 As shown, in the bearing oil retainer installation device provided in this embodiment, the electric winding device includes: a motor, a worm connected to the output shaft of the motor, a worm wheel matched with the worm, and a winding shaft connected to the worm wheel, and the rope is wound on the winding shaft. In this arrangement, the output shaft of the motor drives the worm to rotate, and then drives the worm wheel to rotate, so that the rope on the winding shaft is electrically lifted, saving time and effort.

[0054] Of course, the above description is not restrictive, and in some alternative embodiments, the electric winding device can be replaced by other electric devices to lift the rope.

[0055] like Figure 2 , Figure 3 As shown, in the bearing oil stopper installation device provided in this embodiment, the motor is a double-headed motor 12, the worm includes a first worm 13 and a second worm 14, the first output shaft of the double-headed motor 12 is connected to the first worm 13, and the second output shaft is connected to the second worm 14; the worm wheel includes a first worm wheel 8 and a second worm wheel 9, the first worm wheel 8 cooperates with the first worm 13, and the second worm wheel 9 cooperates with the second worm 14; the first worm wheel 8 is connected to a first winding shaft, and the second worm wheel 9 is connected to a second winding shaft, and the first winding shaft and the second winding shaft are symmetrically arranged. With such an arrangement, the gap between the two sides of the oil stopper 3 and the shaft 2 can be adjusted respectively.

[0056] Of course, the above description is not restrictive, and in some alternative embodiments, the motor may be configured as a common motor.

[0057] like Figure 2 , Figure 3 As shown, in the bearing oil retainer installation device provided in this embodiment, the electric winding device has a fixing frame 11, the worm wheel and the worm are rotatably mounted on the fixing frame 11, and the motor is detachably mounted on the fixing frame 11. Such a configuration can be used to install and fix the worm wheel, the worm and the motor, and is convenient for disassembly.

[0058] Of course, the above description is not restrictive, and in some alternative embodiments, the fixing frame 11 may not be provided.

[0059] like Figure 2 , Figure 3 As shown, in the bearing oil retainer installation device provided in this embodiment, the motor is installed on the fixing frame 11 by the cooperation of the clamp and the screw. In this way, the motor can be firmly fixed on the fixing frame 11 and is convenient to disassemble.

[0060] Of course, the above description is not restrictive, and in some alternative embodiments, the motor may be connected to the fixing bracket 11 in other ways.

[0061] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A bearing oil retainer installation device, characterized in that: include: A receiving plate (4) adapted to be supported on the shaft (2); an electric winding device, mounted on the receiving plate (4), the electric winding device comprising a first rope (5) and a second rope (6) capable of being raised and lowered, the first rope (5) and the second rope (6) being symmetrically distributed on both sides of the shaft (2) and extending downward; The extending ends of the first rope (5) and the second rope (6) are respectively connected with connecting blocks (7), and the connecting blocks (7) are used to connect the oil baffle to be installed.

2. The bearing oil retainer installation device according to claim 1, characterized in that: The receiving plate (4) has an extension portion extending towards both sides along the radial direction of the shaft (2), and the extension portion has a through hole for passing the rope.

3. The bearing oil retainer installation device according to claim 1, characterized in that: The bottom of the receiving plate (4) has an inner arc surface for fitting with the outer surface of the shaft (2).

4. The bearing oil retainer installation device according to claim 3, characterized in that: The bottom of the receiving plate (4) has a boss (10) protruding downward, and the inner arc surface is arranged on the lower surface of the boss (10).

5. The bearing oil retainer installation device according to claim 1, characterized in that: The connecting block (7) is provided with an external thread for connecting with the oil baffle.

6. The bearing oil retainer installation device according to claim 5, characterized in that: The end surfaces on both sides of the oil baffle are respectively provided with internal threads that cooperate with the connecting block (7).

7. The bearing oil retainer installation device according to any one of claims 1 to 6, characterized in that: The electric winding device comprises: a motor, a worm connected to the output shaft of the motor, a worm wheel matched with the worm, and a winding shaft connected to the worm wheel, and the rope is wound on the winding shaft.

8. The bearing oil retainer installation device according to claim 7, characterized in that: The motor is a double-headed motor (12), the worm comprises a first worm (13) and a second worm (14), the first output shaft of the double-headed motor (12) is connected to the first worm (13), and the second output shaft is connected to the second worm (14); The worm gear comprises a first worm gear (8) and a second worm gear (9), the first worm gear (8) cooperates with the first worm (13), and the second worm gear (9) cooperates with the second worm (14); The first worm gear (8) is connected to a first winding shaft, the second worm gear (9) is connected to a second winding shaft, and the first winding shaft and the second winding shaft are symmetrically arranged.

9. The bearing oil retainer installation device according to claim 8, characterized in that: The electric winding device comprises a fixed frame (11), the worm wheel and the worm are rotatably mounted on the fixed frame (11), and the motor is detachably mounted on the fixed frame (11).

10. The bearing oil retainer installation device according to claim 9, characterized in that: The motor is mounted on the fixing frame (11) by means of a clamp and screws.

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