Lifting equipment for steam turbine bearing overhaul

Abstract

The utility model discloses steam turbine bearing overhauling and lifting equipment, and relates to the technical field of steam turbine bearing overhauling and lifting. The steam turbine bearing overhaul lifting equipment comprises a bearing main body, a lifting ring is arranged on one side of the bearing main body, a clamping mechanism is arranged on one side of the bearing main body, and an adjusting mechanism is arranged on one side of the bearing main body. According to the hoisting equipment for steam turbine bearing overhaul, by arranging the connecting strips, when bearing bodies of different sizes need to be clamped and hoisted, the first clamping frame and the second clamping frame are placed on the two sides of the bearing bodies firstly, then the connecting strips are rotated to be clamped into connecting grooves, at the moment, limiting pieces are located in limiting grooves, then rotating buttons are rotated, and the bearing bodies are clamped into the limiting grooves; and at the moment, the lead screw drives a limiting piece to move in a limiting groove so that a connecting strip can be conveniently fixed, a first clamping frame and a second clamping frame can clamp the bearing main body, and the device can conveniently clamp and hoist bearing main bodies of different sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of steam turbine bearing maintenance and lifting, and in particular relates to steam turbine bearing maintenance and lifting equipment. Background Art

[0002] Steam turbine bearing is one of the core components of steam turbine. Its main function is to support and position the rotor, ensure the smooth rotation of the rotor and the normal operation of the steam turbine. Steam turbine bearing maintenance is a complex and critical process. It is necessary to ensure the normal operation of the bearing to ensure the stability and safety of the steam turbine.

[0003] The prior art does not have a structure for clamping and lifting the bearing when in use, so that when lifting the turbine bearing for inspection and maintenance, the prior art mostly uses a lifting hook or a connecting rope to hook the inner ring of the turbine bearing for lifting. Since the bearing is large and heavy, the stress point of the bearing after lifting is pressed on the contact surface with the hook or rope, and long-term lifting can easily cause deformation of the bearing. Based on the deficiencies of the prior art, the utility model designs a turbine bearing inspection and lifting equipment. Utility Model Content

[0004] In order to solve the above problems existing in the prior art, the utility model provides a steam turbine bearing maintenance and lifting device, which has the characteristics of clamping and lifting the bearing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steam turbine bearing maintenance lifting device, comprising a bearing body, a lifting ring is provided on one side of the bearing body, a clamping mechanism is provided on one side of the bearing body, and an adjusting mechanism is provided on one side of the bearing body;

[0006] The adjusting mechanism includes a connecting strip, a limiting groove, a limiting plate, a threaded hole, a screw and a knob. The connecting strip is arranged on the top of the bearing body. The upper surface of the connecting strip is provided with a limiting groove. The connecting strip is internally slidably connected to the limiting plate. A threaded hole is provided on one side of the limiting plate. The internal thread of the threaded hole is connected to the screw. A knob is provided on one side of the screw.

[0007] As an optimal technical solution of a steam turbine bearing maintenance and lifting device of the utility model, a tile is provided on one side of the bearing body, and a connecting rod is fixedly connected to one side of the lifting ring.

[0008] As an optimal technical solution for a turbine bearing maintenance and lifting device of the utility model, the clamping mechanism includes a clamping frame one, a clamping frame two, an anti-slip sheet, a connecting groove, a through groove and a connecting hole. The clamping frame one is arranged on one side of the bearing body, the clamping frame one is provided with a clamping frame two on one side, the clamping frame one is provided with an anti-slip sheet on one side, a connecting groove is provided on the top of the clamping frame one, a through groove is provided inside the connecting groove, and a connecting hole is provided on one side of the through groove.

[0009] As an optimal technical solution for a turbine bearing maintenance and lifting device of the utility model, a mounting hole is provided on one side of the clamping frame one, a slide groove is provided on the top of the clamping frame two, and a connecting shaft is fixedly connected to the inside of the slide groove.

[0010] As an optimal technical solution for a steam turbine bearing maintenance and lifting device of the utility model, the connecting strip is rotatably connected to the outer surface of the connecting shaft, and the limiting piece is slidably connected to the inside of the limiting groove.

[0011] As an optimal technical solution of a steam turbine bearing maintenance and lifting device of the utility model, the limit plate is slidably connected to the inside of the clamping frame 1, and the screw rod is rotationally connected to the inside of the through groove.

[0012] As an optimal technical solution of a steam turbine bearing maintenance and lifting device of the utility model, the connecting groove is provided on the lower surface of the clamping frame 2, and the through groove is provided on the lower surface of the clamping frame 2.

[0013] As an optimal technical solution for a steam turbine bearing maintenance and lifting device of the utility model, the slide groove is provided on the lower surface of the clamping frame one, and the connecting shaft is fixedly connected to the bottom of the clamping frame one.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the utility model is in use, by setting the connecting strip, when it is necessary to clamp and lift bearing bodies of different sizes, firstly, the clamping frame 1 and the clamping frame 2 are placed on both sides of the bearing body, and then the connecting strip is rotated to make it fit into the inside of the connecting groove, at which time the limit plate is located inside the limit groove, and then the knob is rotated to make the knob drive the screw rod to rotate, and at this time the screw rod drives the limit plate to move inside the limit groove to facilitate fixing the connecting strip, so that the clamping frame 1 and the clamping frame 2 clamp the bearing body, and the device is convenient for clamping and lifting bearing bodies of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the bearing of the utility model;

[0018] Figure 2 This is a schematic diagram of the lifting ring structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the regulating mechanism of the utility model.

[0021] In the figure: 1. bearing body; 101. tile; 2. lifting ring; 201. connecting rod; 202. mounting hole; 203. slide groove; 204. connecting shaft; 3. clamping mechanism; 301. clamping frame 1; 302. clamping frame 2; 303. anti-slip sheet; 304. connecting groove; 305. through groove; 306. connecting hole; 4. adjusting mechanism; 401. connecting strip; 402. limit groove; 403. limit sheet; 404. threaded hole; 405. screw rod; 406. knob. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] See also Figure 1-4 , the utility model provides the following technical solutions: a steam turbine bearing maintenance lifting device, comprising a bearing body 1, a lifting ring 2 is arranged on one side of the bearing body 1, a clamping mechanism 3 is arranged on one side of the bearing body 1, and an adjusting mechanism 4 is arranged on one side of the bearing body 1;

[0024] A pad 101 is provided on one side of the bearing body 1 , and a connecting rod 201 is fixedly connected to one side of the lifting ring 2 .

[0025] The slide groove 203 is provided on the lower surface of the clamping frame 301 , and the connecting shaft 204 is fixedly connected to the bottom of the clamping frame 301 .

[0026] It needs to be further explained that: the bearing body 1 is clamped by a clamping mechanism 3, and an adjusting mechanism 4 is provided at the top and bottom of the clamping mechanism 3. The adjusting mechanism 4 facilitates the adjustment of the clamping position of the clamping mechanism 3 and facilitates the clamping of bearing bodies 1 of different sizes. A lifting ring 2 is provided at the top of the clamping mechanism 3. The lifting ring 2 facilitates the lifting and maintenance of the bearing body 1.

[0027] See also Figure 2-4 , the utility model provides the following technical solutions:

[0028] The adjusting mechanism 4 includes a connecting strip 401, a limiting groove 402, a limiting plate 403, a threaded hole 404, a screw rod 405 and a knob 406. The connecting strip 401 is arranged on the top of the bearing body 1. The limiting groove 402 is provided on the upper surface of the connecting strip 401. The connecting strip 401 is internally slidably connected to the limiting plate 403. A threaded hole 404 is provided on one side of the limiting plate 403. The internal thread of the threaded hole 404 is connected to the screw rod 405. A knob 406 is provided on one side of the screw rod 405.

[0029] The clamping mechanism 3 includes a clamping frame 1 301, a clamping frame 2 302, an anti-slip sheet 303, a connecting groove 304, a through groove 305 and a connecting hole 306. The clamping frame 1 301 is arranged on one side of the bearing body 1, the clamping frame 1 301 is provided with a clamping frame 2 302 on one side, the clamping frame 1 301 is provided with an anti-slip sheet 303 on one side, the clamping frame 1 301 is provided with a connecting groove 304 on the top, the connecting groove 304 is provided with a through groove 305 inside, and a connecting hole 306 is provided on one side of the through groove 305.

[0030] A mounting hole 202 is provided on one side of the first clamping frame 301 , a sliding groove 203 is provided on the top of the second clamping frame 302 , and a connecting shaft 204 is fixedly connected inside the sliding groove 203 .

[0031] The connecting strip 401 is rotatably connected to the outer surface of the connecting shaft 204 , and the limiting piece 403 is slidably connected to the inside of the limiting groove 402 .

[0032] The limiting piece 403 is slidably connected to the inside of the clamping frame 301 , and the screw rod 405 is rotatably connected to the inside of the through slot 305 .

[0033] The connecting groove 304 is formed on the lower surface of the second clamping frame 302 , and the through groove 305 is formed on the lower surface of the second clamping frame 302 .

[0034] What needs to be further explained is: place the clamping frame 1 301 and the clamping frame 2 302 on both sides of the bearing body 1, then rotate the connecting strip 401 to make it fit into the connecting groove 304, at this time the limiting plate 403 is located inside the limiting groove 402, then rotate the knob 406 so that the knob 406 drives the screw rod 405 to rotate, at this time the screw rod 405 drives the limiting plate 403 to move inside the limiting groove 402 to facilitate fixing the connecting strip 401, so that the clamping frame 1 301 and the clamping frame 2 302 clamp the bearing body 1.

[0035] Working principle: When a steam turbine bearing maintenance lifting device is used, the bearing body 1 is first clamped by the clamping mechanism 3. Adjustment mechanisms 4 are provided at the top and bottom of the clamping mechanism 3. The adjustment mechanisms 4 facilitate the adjustment of the clamping position of the clamping mechanism 3 and facilitate the clamping of bearing bodies 1 of different sizes. A lifting ring 2 is provided at the top of the clamping mechanism 3. The lifting ring 2 facilitates the lifting and maintenance of the bearing body 1.

[0036] When it is necessary to clamp and lift bearing bodies 1 of different sizes, first place the clamping frame 1 301 and the clamping frame 2 302 on both sides of the bearing body 1, then rotate the connecting strip 401 to make it fit into the connecting groove 304, at which time the limiting plate 403 is located inside the limiting groove 402, then rotate the knob 406 so that the knob 406 drives the screw rod 405 to rotate, at which time the screw rod 405 drives the limiting plate 403 to move inside the limiting groove 402 to facilitate fixing the connecting strip 401, so that the clamping frame 1 301 and the clamping frame 2 302 clamp the bearing body 1, and the device is convenient for clamping and lifting bearing bodies 1 of different sizes.

[0037] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described 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 present invention shall be included in the protection scope of the present invention.

Claims

1. A steam turbine bearing maintenance and lifting device, comprising a bearing body (1), characterized in that: A lifting ring (2) is provided on one side of the bearing body (1), a clamping mechanism (3) is provided on one side of the bearing body (1), and an adjusting mechanism (4) is provided on one side of the bearing body (1); An adjustment mechanism (4), the adjustment mechanism (4) comprising a connecting strip (401), a limiting groove (402), a limiting plate (403), a threaded hole (404), a screw rod (405) and a knob (406), the connecting strip (401) being arranged on the top of the bearing body (1), the limiting groove (402) being provided on the upper surface of the connecting strip (401), the interior of the connecting strip (401) being slidably connected to the limiting plate (403), one side of the limiting plate (403) being provided with a threaded hole (404), the interior of the threaded hole (404) being threadedly connected to the screw rod (405), and one side of the screw rod (405) being provided with a knob (406).

2. The steam turbine bearing maintenance lifting equipment according to claim 1, characterized in that: A tile (101) is provided on one side of the bearing body (1), and a connecting rod (201) is fixedly connected to one side of the lifting ring (2).

3. The steam turbine bearing maintenance lifting equipment according to claim 1, characterized in that: The clamping mechanism (3) comprises a clamping frame 1 (301), a clamping frame 2 (302), an anti-slip sheet (303), a connecting groove (304), a through groove (305) and a connecting hole (306); the clamping frame 1 (301) is arranged on one side of the bearing body (1); the clamping frame 2 (302) is arranged on one side of the clamping frame 1 (301); the anti-slip sheet (303) is arranged on one side of the clamping frame 1 (301); the connecting groove (304) is provided at the top of the clamping frame 1 (301); the through groove (305) is provided inside the connecting groove (304); and the connecting hole (306) is provided on one side of the through groove (305).

4. The steam turbine bearing maintenance lifting equipment according to claim 3 is characterized in that: A mounting hole (202) is provided on one side of the clamping frame 1 (301), a sliding groove (203) is provided on the top of the clamping frame 2 (302), and a connecting shaft (204) is fixedly connected inside the sliding groove (203).

5. The steam turbine bearing maintenance lifting equipment according to claim 1, characterized in that: The connecting strip (401) is rotatably connected to the outer surface of the connecting shaft (204), and the limiting piece (403) is slidably connected to the inside of the limiting groove (402).

6. The steam turbine bearing maintenance and lifting equipment according to claim 1, characterized in that: The limiting plate (403) is slidably connected to the inside of the clamping frame (301), and the screw rod (405) is rotatably connected to the inside of the through slot (305).

7. The steam turbine bearing maintenance and lifting equipment according to claim 3 is characterized by: The connecting groove (304) is provided on the lower surface of the second clamping frame (302), and the through groove (305) is provided on the lower surface of the second clamping frame (302).

8. The steam turbine bearing maintenance hoisting equipment according to claim 4, characterized in that: The slide groove (203) is provided on the lower surface of the clamping frame (301), and the connecting shaft (204) is fixedly connected to the bottom of the clamping frame (301).

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