Large diameter forged power plant flange

Abstract

The utility model relates to the technical field of forging flange discloses large -diameter forging power station flange disc, its including top flange disc, one side swing joint of top flange disc has bottom flange disc, and both sides fixed connection of top flange disc has side support seat, operating personnel adjust the position of multiple side soft pad respectively, the top flange disc and bottom flange disc after connection are supported stably, reduce the situation that top flange disc and bottom flange disc produce after installation and sway, improved the compactness after connection, improved the effect after top flange disc and bottom flange disc connection, the surface of bottom flange disc is fastened simultaneously with the clamping soft board of top flange disc one side, the surface of top flange disc is fastened with the clamping soft board of bottom flange disc one side, improved the stability after top flange disc and bottom flange disc connection, reduced the situation that top flange disc and bottom flange disc produce after connection and sway, reduced the generation of noise, improved the effect of top flange disc and bottom flange disc seal.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of forging flange, more specifically, it relates to a large-diameter forged power station flange. BACKGROUND

[0002] The large-diameter forged power station flange refers to a large-diameter flange manufactured through a forging process for use in large industrial facilities such as power stations. The forged flange has fine and dense crystal organization and high strength, can withstand large pressure and load, and is suitable for harsh working conditions such as high pressure and high temperature. The material of the large-diameter forged power station flange is usually high-strength material such as carbon steel, stainless steel, and alloy steel to meet the requirements of industrial facilities such as power stations for flange strength and corrosion resistance.

[0003] In the prior art, the patent application file "CN209818461U" discloses a "forged flange"; it includes a mounting end face with a mounting hole and a mounting boss for inserting a rotary body, the mounting boss outer periphery is provided with a screw mounting sleeve for screw fastening connection; the mounting boss outer periphery at both ends of the screw mounting sleeve is provided with an elastic groove parallel to the axis direction of the mounting boss, the cross section of the elastic groove is V-shaped, and the mounting boss outer periphery in the middle of the screw mounting sleeve is provided with a clamping installation notch parallel to the axis direction of the mounting boss; the clamping installation notch divides the screw mounting sleeve into a first screw mounting sleeve unit and a second screw mounting sleeve unit; the rotary body adopts a shaft sleeve; the utility model has low manufacturing cost, compact installation, strong connection strength, and can facilitate quick installation and disassembly, especially suitable for use in workpiece installation and connection environments that have large restrictions on flange installation volume and need frequent replacement.

[0004] The above-mentioned "forged flange" still has some shortcomings, for example: the existing large-diameter forged power station flange will cause the shaft end to loosen, affect the stability of mechanical transmission and the generation of noise, and affect the service life of the flange during use, and the continuous shaking of the flange will accelerate the wear of the connected equipment, cause the connection to loosen, and affect the overall stability of the equipment.

[0005] Therefore, the large-diameter forged power station flange is proposed to solve the above-mentioned problems. Utility model content

[0006] In view of the deficiencies of the prior art, the large-diameter forged power station flange is provided to solve the problems that the large-diameter forged power station flange plate in the prior art is continuously shaken after installation, which causes the shaft end to be loose, affects the stability of mechanical transmission and the generation of noise, and simultaneously affects the service life of the flange plate, and the continuous shaking of the flange plate accelerates the wear of the connected equipment, causes the connection to be loose, and affects the overall stability of the equipment.

[0007] To achieve the above object, the utility model discloses the following technical schemes: large-diameter forged power station flange, including top flange plate, one side swing joint of top flange plate has bottom flange plate, both sides fixed connection of top flange plate has side support base, both sides fixed connection of side support base has side extension plate, the inside of side extension plate is equipped with internal thread hole, the inside screw thread connection of internal thread hole has bottom screw rod, one end fixed connection of bottom screw rod has one holding plate, one side of bottom screw rod is provided with side soft pad.

[0008] Preferably: one end swing joint of bottom screw rod has one bearing disc, and one side swing joint of one bearing disc is connected on one side of side soft pad.

[0009] Preferably: both sides of top flange plate and bottom flange plate are fixedly connected with side support base, and the number of side support base is four, and both sides of four side support base are fixedly connected with side extension plate.

[0010] Preferably: one side of side support base is fixedly connected with L fixed frame, and one side of L fixed frame is fixedly connected with side support plate.

[0011] Preferably: the surface of side support plate is provided with side threaded sleeve, the inside screw thread connection of side threaded sleeve has top screw rod, and one side of top screw rod is fixedly connected with second holding plate.

[0012] Preferably: one end swing joint of top screw rod has second bearing disc, and one side swing joint of second bearing disc has clamping soft plate.

[0013] Compared with the prior art, the large-diameter forged power station flange has the following beneficial effects:

[0014] 1) In the operation of this large-diameter forged power plant flange, by continuously rotating the bottom threaded rod, the side soft gasket will be driven to extend outward along the outer side of the side extension plate until the side soft gasket contacts the external pipe or support contact surface. At this time, continue to rotate the bottom threaded rod until the side soft gasket is tightly fitted with the contact surface. The operator adjusts the position of multiple side soft gaskets to provide stable support for the connected top flange and bottom flange, reducing the shaking of the top flange and bottom flange after installation, improving the tightness of the connection, and improving the effect of the connection between the top flange and bottom flange.

[0015] 2) In the operation of this large-diameter forged power plant flange, by moving the clamping soft plate on one side of the top flange to fit tightly against the outer surface of the bottom flange, and moving the clamping soft plate on one side of the bottom flange to fit tightly against the outer surface of the top flange, the clamping soft plate on one side of the top flange is used to secure the surface of the bottom flange, and the clamping soft plate on one side of the bottom flange is used to secure the surface of the top flange. This improves the stability of the connection between the top and bottom flanges, reduces the shaking caused by the connection between the top and bottom flanges, reduces the generation of noise, and improves the sealing effect of the top and bottom flanges. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Fig. 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0018] Fig. 2 This is a schematic diagram of the side soft pad structure of this utility model;

[0019] Fig. 3 This is a schematic diagram of the bottom threaded rod structure of this utility model;

[0020] Fig. 4 This is a schematic diagram of the side extension plate structure of this utility model;

[0021] The following are the labels in the diagram: 1. Top flange; 2. Bottom flange; 301. Side support seat; 302. Side extension plate; 303. Internal threaded hole; 304. Bottom threaded rod; 305. No. 1 gripping plate; 306. No. 1 bearing disc; 307. Side soft pad; 401. Side support plate; 402. L-shaped fixing bracket; 403. Side threaded sleeve; 404. Top threaded rod; 405. No. 2 gripping plate; 406. No. 2 bearing disc; 407. Clamping soft plate. Detailed Implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without creative labor based on the embodiments in the utility model belong to the scope of protection of the utility model.

[0023] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: large -diameter forging power station flange, including top flange plate 1, one side of top flange plate 1 swing joint has bottom flange plate 2, and both sides of top flange plate 1 are fixedly connected with side support seat 301, and both sides of side support seat 301 are fixedly connected with side extension plate 302, and the inside of side extension plate 302 is provided with internal thread hole 303, and the inside of internal thread hole 303 is threadedly connected with bottom threaded rod 304, and one end of bottom threaded rod 304 is fixedly connected with one holding plate 305, and one side of bottom threaded rod 304 is provided with side soft pad 307.

[0024] Need to explain, through the continuous rotation bottom threaded rod 304 will drive side soft pad 307 along the outside of side extension plate 302 and extend outward, until side soft pad 307 and external pipeline or support contact surface contact, at this time, continuously rotate bottom threaded rod 304 until side soft pad 307 and contact surface closely.

[0025] In an alternative embodiment: one end of bottom threaded rod 304 swing joint has one bearing disc 306, and one side of one bearing disc 306 swing joint is connected in one side of side soft pad 307.

[0026] Need to explain, utilize the connection of one bearing disc 306, keep bottom threaded rod 304 rotating process will not drive side soft pad 307 synchronous rotation, through the continuous rotation bottom threaded rod 304 will drive side soft pad 307 along the outside of side extension plate 302 and extend outward.

[0027] In an alternative embodiment: both sides of top flange plate 1 and both sides of bottom flange plate 2 are fixedly connected with side support seat 301, and the number of side support seat 301 is four, and both sides of four side support seat 301 are fixedly connected with side extension plate 302.

[0028] Need to explain, through the continuous rotation bottom threaded rod 304 will drive side soft pad 307 along the outside of side extension plate 302 and extend outward, until side soft pad 307 and external pipeline or support contact surface contact, at this time, continuously rotate bottom threaded rod 304 until side soft pad 307 and contact surface closely, and the operator adjusts the position of multiple side soft pad 307 respectively, and the connected top flange plate 1 and bottom flange plate 2 are stably supported.

[0029] In an optional embodiment: one side of the side support base 301 is fixedly connected with an L fixing frame 402, one side of the L fixing frame 402 is fixedly connected with a side support plate 401.

[0030] It should be noted that after rotating the second holding plate 405, the rotating second holding plate 405 will drive the top threaded rod 404 to rotate along the inner thread of the side threaded sleeve 403, and the L fixing frame 402 will stably fix the side support plate 401 on one side of the side support base 301.

[0031] In an optional embodiment: the surface of the side support plate 401 is provided with a side threaded sleeve 403, the inner thread of the side threaded sleeve 403 is connected with a top threaded rod 404, and one side of the top threaded rod 404 is fixedly connected with a second holding plate 405.

[0032] It should be noted that by continuously rotating the top threaded rod 404, the clamping soft plate 407 will be driven to extend and move horizontally along one side of the side support plate 401.

[0033] In an optional embodiment: one end of the top threaded rod 404 is movably connected with a second bearing disc 406, and one side of the second bearing disc 406 is movably connected with a clamping soft plate 407.

[0034] It should be noted that through the movable connection of the second bearing disc 406, in the process of rotating the top threaded rod 404 to drive the clamping soft plate 407 to move horizontally, the second bearing disc 406 will not drive the clamping soft plate 407 to rotate with the rotation of the top threaded rod 404.

[0035] The specific use and role of the embodiment are as follows: in the daily work of the large-diameter forging power station flange, first, the top flange plate 1 and the bottom flange plate 2 are connected to the pipe to be connected, then the operator holds the first holding plate 305, rotates the first holding plate 305 to drive the bottom threaded rod 304 to rotate, and through the threaded connection between the rotating bottom threaded rod 304 and the internal threaded hole 303, the bottom threaded rod 304 moves horizontally along the inside of the internal threaded hole 303 during rotation, and the side of the bottom threaded rod 304 is movably connected to the side soft pad 307 through the first bearing plate 306, the first bearing plate 306 is used to keep the bottom threaded rod 304 from rotating synchronously with the side soft pad 307 during rotation, and the side soft pad 307 extends outward along the outside of the side extension plate 302 by continuously rotating the bottom threaded rod 304 until the side soft pad 307 contacts the external pipeline or the supporting contact surface, at which time the bottom threaded rod 304 is continuously rotated until the side soft pad 307 is tightly attached to the contact surface, the operator adjusts the positions of the plurality of side soft pads 307 to stably support the connected top flange plate 1 and bottom flange plate 2, reduces the shaking of the top flange plate 1 and bottom flange plate 2 after installation, improves the tightness after connection, and improves the effect of the connection of the top flange plate 1 and bottom flange plate 2.

[0036] At the same time, after the top flange plate 1 and the bottom flange plate 2 are connected, the operator rotates the second holding plate 405, the rotating second holding plate 405 drives the top threaded rod 404 to rotate along the inside of the side threaded sleeve 403, the side support plate 401 is stably fixed to one side of the side support base 301 by the L-shaped fixing frame 402, the clamping soft plate 407 extends inward and moves horizontally along one side of the side support plate 401 by continuously rotating the top threaded rod 404, the second bearing plate 406 is movably connected, the second bearing plate 406 does not rotate with the clamping soft plate 407 during the rotation of the top threaded rod 404 to drive the clamping soft plate 407 to move horizontally, the clamping soft plate 407 on one side of the top flange plate 1 is moved to tightly attach to the outer surface of the bottom flange plate 2, and the clamping soft plate 407 on one side of the bottom flange plate 2 is moved to tightly attach to the outer surface of the top flange plate 1, the surface of the bottom flange plate 2 is fastened by the clamping soft plate 407 on one side of the top flange plate 1, and the surface of the top flange plate 1 is fastened by the clamping soft plate 407 on one side of the bottom flange plate 2, which improves the stability of the connection of the top flange plate 1 and the bottom flange plate 2, reduces the shaking of the top flange plate 1 and the bottom flange plate 2 after connection, reduces the generation of noise, and improves the sealing effect of the top flange plate 1 and the bottom flange plate 2.

[0037] The contents not described in detail in the description belong to the prior art known to those skilled in the art, and do not belong to the key of the utility model, therefore, they will not be described.

[0038] It should be pointed out finally that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.

Claims

1. Large diameter forged power station flange comprising a top flange disc (1), characterised in that: The side of the top flange plate (1) is movably connected with the bottom flange plate (2), both sides of the top flange plate (1) are fixedly connected with the side support seat (301), both sides of the side support seat (301) are fixedly connected with the side extension plate (302), the inner side of the side extension plate (302) is provided with the internal thread hole (303), the inner side of the internal thread hole (303) is threadedly connected with the bottom threaded rod (304), one end of the bottom threaded rod (304) is fixedly connected with the first holding plate (305), and the side of the bottom threaded rod (304) is provided with the side soft pad (307).

2. A large bore, forged power plant flange according to claim 1, characterized in that: One end of the bottom threaded rod (304) is movably connected with the first bearing disc (306), and the side of the first bearing disc (306) is movably connected with the side of the side soft pad (307).

3. A large bore, forged power plant flange according to claim 2, characterized in that: Both sides of the top flange plate (1) and the bottom flange plate (2) are fixedly connected with the side support seat (301), the number of the side support seat (301) is four, and both sides of the four side support seats (301) are fixedly connected with the side extension plate (302).

4. A large bore, forged power plant flange according to claim 3, characterized in that: The side of the side support seat (301) is fixedly connected with the L fixed frame (402), and the side of the L fixed frame (402) is fixedly connected with the side support plate (401).

5. A large bore, forged power plant flange according to claim 4, characterized in that: The surface of the side support plate (401) is provided with the side threaded sleeve (403), the inner side of the side threaded sleeve (403) is threadedly connected with the top threaded rod (404), and the side of the top threaded rod (404) is fixedly connected with the second holding plate (405).

6. A large bore forged power plant flange according to claim 5, characterized in that: One end of the top threaded rod (404) is movably connected with the second bearing disc (406), and the side of the second bearing disc (406) is movably connected with the clamping soft plate (407).

Images