Thrust pad overhauling device

Abstract

A thrust pad overhauling device comprises an overhauling platform, supporting seats, a rotating frame and a lifting device, at least one supporting seat is installed on the edge of the overhauling platform, the rotating frame rotates and is detachably installed on one supporting seat, and the lifting device is installed at one end of the rotating frame and is close to the supporting seats. A steel wire rope on the lifting device bypasses the rotating frame through a fixed pulley block on the rotating frame and then extends downwards from the other end of the rotating frame, and a lifting hook is installed at the end of the steel wire rope. The supporting seat is mounted on the edge of the maintenance platform, the rotating frame is rotatably mounted on the supporting seat, the lifting device is mounted on the rotating frame, the thrust pad can be conveniently lifted through the lifting device, and the rotating frame can rotate, so that the lifting device has a larger operation range; therefore, the problems that an existing thrust pad needs to be lifted up and down during disassembly inspection, and disassembly and separation are conducted by manually lifting the thrust pad are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance of thrust bearings of hydraulic generators, in particular to a thrust bearing maintenance device. Background Art

[0002] The thrust bearing maintenance of power plants mainly includes thrust bearing inspection and thrust bearing disassembly inspection and cleaning. The thrust bearing disassembly inspection and cleaning is currently carried out by manpower to the workbench. During disassembly, it is also necessary to disassemble, lift and separate it by manpower, which is labor-intensive. In addition, there is a risk of falling during the manual handling process, which will cause injury to personnel and damage to the thrust bearing.

[0003] Chinese patent document CN105522525A, published (announced) date: 2016.04.27, discloses a thrust washer maintenance platform, including a bearing platform for bearing thrust washer, a horizontal moving assembly for horizontally moving thrust washer is arranged on the table of the bearing platform, a plurality of height-adjustable pillar assemblies are arranged below the bearing platform, and a pulley is arranged at the bottom of the pillar assembly. The characteristic is that it has the advantages of simple structure, easy operation, safety and practicality. The disadvantage is that when disassembling and inspecting the thrust washer on the maintenance platform, it is still necessary to lift the thrust washer by manpower for disassembly and separation. Utility Model Content

[0004] The technical problem to be solved by the utility model is to solve the problems existing in the above-mentioned background technology and provide a thrust washer maintenance device to solve the problem that the existing thrust washer needs to be lifted up and down for dismantling and inspection, and the thrust washer needs to be lifted by manpower for dismantling and separation.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a thrust washer maintenance device, including an inspection platform, a support seat, a rotating frame and a lifting device, at least one support seat is installed at the edge of the inspection platform, the rotating frame is rotatable and detachably installed on one of the support seats, the lifting device is installed at one end of the rotating frame and close to the support seat, the wire rope on the lifting device passes around the rotating frame through the fixed pulley group on the rotating frame, and then extends downward from the other end of the rotating frame, and a hook is installed at the end of the wire rope.

[0006] The maintenance platform comprises a bearing platform and supporting legs, and four supporting legs are respectively installed at four corners of the lower side of the bearing platform.

[0007] The support seat includes a support column, a connecting plate is installed on the support column, the connecting plate is connected and fixed to the maintenance platform, the lower end of the support column is supported by the ground, the upper end of the support column extends upward from the maintenance platform, and a support ring is installed on the support column on the upper side of the maintenance platform. A center hole is set at one end of the rotating frame connected to the support seat, and the rotating frame is mounted on the upper end of the support column through the center hole.

[0008] A thrust ball bearing is installed on the support column above the support ring.

[0009] A sliding sleeve is movably installed on the support column at the lower side of the support ring, an oblique support is obliquely installed on the sliding sleeve, and a universal adjustment foot is screwed and installed on the lower end of the oblique support; a positioning screw is screwed on the sliding sleeve.

[0010] The rotating frame includes a longitudinal support rod and a transverse support rod, the lower end of the longitudinal support rod is inserted into the upper end of the support column, the upper end of the longitudinal support rod is connected to one end of the transverse support rod, and the other end of the transverse support rod extends outward, the lifting device is installed on the longitudinal support rod, and a first pulley seat is installed on the upper side of the transverse support rod at one end located on the longitudinal support rod, a first fixed pulley is installed on the first pulley seat, and a second pulley seat is installed on the upper side of the transverse support rod at an end away from the longitudinal support rod, and a second fixed pulley is installed on the second pulley seat, and the wire rope is passed around the upper sides of the first fixed pulley and the second fixed pulley in turn.

[0011] A third fixed pulley is installed on the second pulley seat between the first fixed pulley and the second fixed pulley, and the wire rope is passed around the upper side of the first fixed pulley, the lower side of the third fixed pulley, and the upper side of the second fixed pulley in sequence.

[0012] An oblique support is also installed between the longitudinal support rod and the transverse support rod.

[0013] The lifting device is a manual winch or an electric winch.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model installs a support seat on the edge of the maintenance platform, and the rotating frame can be rotatably installed on the support seat, and a lifting device is installed on the rotating frame. The lifting device can conveniently lift the thrust washer, and the rotating frame can rotate, so that the lifting device has a larger operating range, thereby solving the problem that the existing thrust washer needs to be lifted up and down during disassembly and inspection, and the thrust washer needs to be lifted by manpower for disassembly and separation.

[0016] 2. The support seat of the utility model is provided with an inclined brace, which supports the rotating frame, especially when the rotating frame rotates out of the bearing platform, thereby improving the stability of the rotating frame. According to the different rotation positions of the rotating frame, since the inclined brace is installed on the sliding sleeve, the position of the inclined brace can also be rotated to adjust.

[0017] 3. The second pulley seat of the utility model is located between the first fixed pulley and the second fixed pulley, and a third fixed pulley is installed. The wire rope is passed around the upper side of the first fixed pulley, the lower side of the third fixed pulley, and the upper side of the second fixed pulley in sequence, so as to prevent the wire rope on the second fixed pulley from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the utility model from top view, showing a rotating frame and a lifting device.

[0021] Figure 3 It is a structural schematic diagram of the support seat of the utility model.

[0022] Figure 4 It is a structural schematic diagram of the rotating frame and the lifting device of the utility model.

[0023] In the figure:

[0024] A carrying platform 10, a support leg 20;

[0025] Support seat 30, support column 31, connecting plate 32, support ring 33, thrust ball bearing 34, diagonal support 35, sliding sleeve 36, positioning screw 37, universal adjustment foot 38;

[0026] Rotating frame 40, longitudinal support rod 41, first connecting plate 411, second connecting plate 412, first hinge seat 413, support plate 414, transverse support rod 42, third connecting plate 421, second hinge seat 422, second pulley seat 43, second fixed pulley 431, third fixed pulley 432, first pulley seat 44, first fixed pulley 441, oblique support 45;

[0027] Lifting device 50, base plate 501, wire rope 51, hook 52. DETAILED DESCRIPTION

[0028] See also Figure 1-4A thrust washer maintenance device includes a maintenance platform, a support seat 30, a rotating frame 40 and a lifting device 50. At least one support seat 30 is installed on the edge of the maintenance platform. The rotating frame 40 is rotatably and detachably installed on one of the support seats 30. The lifting device 50 is installed at one end of the rotating frame 40 and is close to the support seat 30. After the wire rope 51 on the lifting device 50 passes around the rotating frame 40 through the fixed pulley group on the rotating frame 40, it extends downward from the other end of the rotating frame 40. A hook 52 is installed at the end of the wire rope 51.

[0029] By installing a support seat 30 on the edge of the maintenance platform, a rotating frame 40 can be rotatably installed on the support seat 30, and a lifting device 50 is installed on the rotating frame. The lifting device 50 can be used to conveniently lift the thrust washer, and the rotating frame 30 can be rotated, so that the lifting device has a larger operating range, thereby solving the problem of the existing thrust washer needing to be lifted up and down during dismantling and inspection, and the problem of lifting the thrust washer by manpower for dismantling and separation.

[0030] exist Figure 1 , 2 , showing that a support seat 30 is installed on one of the wide sides and one of the narrow sides of the maintenance platform, and the rotating frame 40 is selected to be installed on one of the support seats 30 according to the on-site conditions. When the rotating frame 40 rotates to the outside of the maintenance platform, the thrust pad on the ground can be lifted to the maintenance platform, and the rotating frame 40 swings left and right on the maintenance platform, and the thrust pad disassembled on the maintenance platform can be lifted. When lifting, a lifting ring is installed on the thrust pad.

[0031] In this embodiment, see Figure 1 , 2 The maintenance platform includes a load-bearing platform 10 and legs 20, and the four legs 20 are respectively installed at the four corners of the lower side of the load-bearing platform 10, and the structure is simple. Of course, the maintenance platform can also adopt a thrust shoe maintenance platform disclosed in CN105522525A.

[0032] See also Figure 3 The support seat 30 includes a support column 31, a connecting plate 32 is installed on the support column 31, the connecting plate 32 is connected and fixed to the maintenance platform, the lower end of the support column 31 is supported by the ground, the upper end of the support column 31 extends upward from the maintenance platform, a support ring 33 is installed on the support column 31 at the upper side of the maintenance platform, and a center hole is provided at one end of the rotating frame 40 connected to the support seat 30, and the rotating frame 40 is sleeved on the upper end of the support column 31 through the center hole. Through the above structure, the connection between the support seat 30 and the maintenance platform is realized, and the rotating frame 40 is rotatably connected to the support seat 30.

[0033] Specifically, the connecting plate 32 is welded to the supporting column 31, and a mounting hole is provided on the connecting plate 32. The bolts are inserted into the mounting hole and connected and fixed to the side of the maintenance platform. The supporting ring 33 is welded to the supporting column 31, and the rotating frame 40 abuts against the supporting ring 33, and the rotating frame 40 rotates around the supporting column 31.

[0034] For further information, see Figure 3 A thrust ball bearing 34 is installed on the support column 31 above the support ring 33 , and the rotating frame 40 abuts against the thrust ball bearing 34 , so that the rotating frame 40 can rotate more flexibly.

[0035] Furthermore, a sleeve 36 is movably mounted on the support column 31 at the lower side of the support ring 33, a diagonal brace 35 is obliquely mounted on the sleeve 36, a universal adjustment foot 38 is screwed on the lower end of the diagonal brace 35, and a positioning screw 37 is screwed on the sleeve 36. By providing the diagonal brace 35, the rotating frame 40 is supported, especially when the rotating frame 40 rotates out of the bearing platform 10, so that the stability of the rotating frame 40 is improved. According to the different rotation positions of the rotating frame 40, since the diagonal brace 35 is mounted on the sleeve 36, the position of the diagonal brace 35 can also be rotated and adjusted. Before adjustment, the positioning screw 37 is loosened, and after adjustment, the positioning screw 37 is tightened. The universal adjustment foot 38 is an existing finished product. By adjusting the universal adjustment foot 38, the diagonal brace 35 can be stably supported on the ground.

[0036] See also Figure 4 The rotating frame 40 includes a longitudinal support rod 41 and a transverse support rod 42. The lower end of the longitudinal support rod 41 is inserted and installed on the upper end of the support column 31. The upper end of the longitudinal support rod 41 is connected to one end of the transverse support rod 42, and the other end of the transverse support rod 42 extends outward. The lifting device 50 is installed on the longitudinal support rod 41. The upper side of the transverse support rod 42 is provided with a first pulley seat 44 at one end located at the longitudinal support rod 41. The first fixed pulley 441 is installed on the first pulley seat 44. The upper side of the transverse support rod 42 is provided with a second pulley seat 43 at one end away from the longitudinal support rod 41. The second fixed pulley 431 is installed on the second pulley seat 43. The wire rope 51 passes around the upper sides of the first fixed pulley 441 and the second fixed pulley 431 in sequence. Through the above structure, when the lifting device 50 is operated, the wire rope 51 moves along the first fixed pulley 441 and the second fixed pulley 431, so that the hook 52 moves up and down.

[0037] During installation, the longitudinal support rod 41 is a round tube, and the transverse support rod 42 can be welded to the longitudinal support rod 41. The lower end of the longitudinal support rod 41 is welded with an annular support plate 414.

[0038] See also Figure 4In one embodiment, a first connecting plate 411 is welded to the top of the longitudinal support rod 41, a third connecting plate 421 is welded to the lower side of the transverse support rod 42, and the first connecting plate 411 and the third connecting plate 421 are connected by bolts. The first pulley seat 44 and the second pulley seat 43 can adopt a U-shaped structure, the pulley is located in the U-shaped structure, the central axis of the pulley is connected to the side wall of the U-shaped structure, and the pulley is connected to the central axis through a bearing.

[0039] Furthermore, a third fixed pulley 432 is installed on the second pulley seat 43 between the first fixed pulley 441 and the second fixed pulley 431, and the wire rope 51 is passed around the upper side of the first fixed pulley 441, the lower side of the third fixed pulley 432, and the upper side of the second fixed pulley 431 in sequence, so as to prevent the wire rope 51 on the second fixed pulley 431 from falling off.

[0040] Furthermore, an oblique support 45 is installed between the longitudinal support rod 41 and the transverse support rod 42. The oblique support 45 improves the structural strength of the rotating frame.

[0041] Specifically, a first hinge seat 413 is welded inside the longitudinal support rod 41, a second hinge seat 422 is welded below the transverse support rod 42, and both ends of the oblique support 45 are connected to the first hinge seat 413 and the second hinge seat 422 through a pin shaft. Preferably, the first hinge seat 413 and the second hinge seat 422 are also U-shaped seat structures.

[0042] Specifically, the lifting device 50 is a manual winch or an electric winch. The lifting device 50 can be installed on the longitudinal support rod 41 by U-shaped bolts, and the second connecting plate 412 can be welded on the longitudinal support rod 41, and the bottom plate 501 of the lifting device 50 is bolted to the second connecting plate 412.

[0043] The working principle or action process of the utility model is as follows:

[0044] When using, see Figure 1 , 2 , according to the on-site conditions, the rotating frame 40 is selected to be installed on one of the support seats 30. When the rotating frame 40 rotates to the outside of the maintenance platform, the thrust pad on the ground can be lifted by operating the lifting device 50, and then the rotating frame 40 is pushed to lift the thrust pad to the maintenance platform. The rotating frame 40 swings left and right on the maintenance platform, and the thrust pad disassembled on the maintenance platform can be lifted. During lifting, a lifting ring is installed on the thrust pad. The lifting ring can adopt a thrust pad lifting device disclosed by our company in CN218088517U.

Claims

1. A thrust bearing maintenance device, characterized in that: The utility model comprises an inspection platform, a support seat (30), a rotating frame (40) and a lifting device (50), wherein at least one support seat (30) is installed on the edge of the inspection platform, the rotating frame (40) is rotatably and detachably installed on one of the support seats (30), the lifting device (50) is installed at one end of the rotating frame (40) and is close to the support seat (30), a steel wire rope (51) on the lifting device (50) passes through a fixed pulley block on the rotating frame (40) and bypasses the rotating frame (40), and then extends downward from the other end of the rotating frame (40), and a hook (52) is installed at the end of the steel wire rope (51).

2. A thrust shoe maintenance device according to claim 1, characterized in that: The inspection platform comprises a bearing platform (10) and supporting legs (20), wherein four supporting legs (20) are respectively installed at four corners on the lower side of the bearing platform (10).

3. A thrust shoe maintenance device according to claim 1, characterized in that: The support seat (30) comprises a support column (31), a connecting plate (32) is mounted on the support column (31), the connecting plate (32) is connected and fixed to the maintenance platform, the lower end of the support column (31) is supported by the ground, the upper end of the support column (31) extends upward from the maintenance platform, a support ring (33) is mounted on the support column (31) at the upper side of the maintenance platform, and a center hole is provided at one end of the rotating frame (40) connected to the support seat (30), and the rotating frame (40) is sleeved on the upper end of the support column (31) through the center hole.

4. A thrust shoe maintenance device according to claim 3, characterized in that: A thrust ball bearing (34) is mounted on the support column (31) above the support ring (33).

5. A thrust shoe maintenance device according to claim 3, characterized in that: A sliding sleeve (36) is movably mounted on the support column (31) at the lower side of the support ring (33); an inclined brace (35) is obliquely mounted on the sliding sleeve (36); a universal adjustment foot (38) is threadedly mounted on the lower end of the inclined brace (35); and a positioning screw (37) is screwed on the sliding sleeve (36).

6. A thrust shoe maintenance device according to any one of claims 3 to 5, characterized in that: The rotating frame (40) comprises a longitudinal support rod (41) and a transverse support rod (42), the lower end of the longitudinal support rod (41) is inserted and installed on the upper end of the support column (31), the upper end of the longitudinal support rod (41) is connected to one end of the transverse support rod (42), and the other end of the transverse support rod (42) extends outwardly, the lifting device (50) is installed on the longitudinal support rod (41), a first pulley seat (44) is installed on the upper side of the transverse support rod (42) at one end located at the longitudinal support rod (41), and a first fixed pulley (441) is installed on the first pulley seat (44), and a second pulley seat (43) is installed on the upper side of the transverse support rod (42) at one end away from the longitudinal support rod (41), and a second fixed pulley (431) is installed on the second pulley seat (43), and the steel wire rope (51) is passed around the upper sides of the first fixed pulley (441) and the second fixed pulley (431) in sequence.

7. A thrust shoe maintenance device according to claim 6, characterized in that: A third fixed pulley (432) is also installed on the second pulley seat (43) between the first fixed pulley (441) and the second fixed pulley (431), and the wire rope (51) is passed around the upper side of the first fixed pulley (441), the lower side of the third fixed pulley (432), and the upper side of the second fixed pulley (431) in sequence.

8. A thrust shoe maintenance device according to claim 6, characterized in that: An oblique support (45) is also installed between the longitudinal support rod (41) and the transverse support rod (42).

9. The thrust shoe maintenance device according to claim 1, characterized in that: The lifting device (50) is a manual winch or an electric winch.

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