Flange sealing surface online repairing device

Abstract

The utility model relates to the technical field of flange repair, in particular to a flange sealing surface online repair device which is characterized in that a plurality of connecting holes are formed in an upper mounting plate; a limiting groove is formed in the lower mounting plate; the fixing device has the advantages that the threaded rods fixedly connected to the fixing plate can be clamped into the holes formed in the corresponding positions of the connecting plate and fixed through the nuts, one end of each connecting rod is clamped into the corresponding connecting hole and fixed through the corresponding nut, and then the other end of each connecting rod is aligned with the corresponding hole in the flange to be inserted into the corresponding hole and fixed through the corresponding nut. All structures of the device are detachable, a worker can conveniently carry the device, a hydraulic push rod is started to push a lower mounting plate and a grinding block to move in the direction of the inner wall of a flange till the grinding block makes contact with the inner wall of the flange, the structures are mutually matched so that the device can repair flanges of different specifications, and the applicability of the device is greatly improved; and the working efficiency of workers is improved, practicability is high, the structure is simple, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the field of flange repair, in particular to an on-line repair device for flange sealing surfaces. Background Technique

[0002] A flange, also known as a flange convex disc or a flange. A flange is a part used for connecting shafts to each other and is used for connecting pipe ends; there are also flanges used at the inlets and outlets of equipment for connecting two pieces of equipment, such as a reducer flange. A flange connection or a flange joint refers to a detachable connection formed by connecting a flange, a gasket, and bolts together as a set of combined sealing structures.

[0003] In the prior art, for the on-line repair of flange sealing surfaces, on-line turning or milling equipment is required to grind the flange sealing surfaces.

[0004] However, the existing flange sealing surface repair devices usually have complex structures, making it difficult for workers to move the flange sealing surface devices. It is difficult for workers to repair flanges on-site, which is not convenient for actual operation by workers. Moreover, the existing portable on-line repair devices for flange sealing surfaces are difficult to repair flanges of different specifications, resulting in low practicability. Content of the Utility Model

[0005] The purpose of the utility model is to provide an on-line repair device for flange sealing surfaces to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An on-line repair device for flange sealing surfaces, the on-line repair device for flange sealing surfaces includes: an upper mounting plate, on which a number of connection holes are provided, and an electric push rod is arranged on the upper mounting plate;

[0007] A lower mounting plate, on the side of which a spring is arranged, and a limiting groove is provided on the lower mounting plate.

[0008] Preferably, the connection holes are in a circular groove structure, one end of the connecting rod can be inserted into the connection holes, and the other end of the connecting rod can be inserted into the holes provided on the flange.

[0009] Preferably, the electric push rod is fixedly connected to the upper mounting plate, the telescopic end of the electric push rod is fixedly connected to the connecting plate, and the threaded rod fixedly connected to the fixing plate can be inserted into the holes provided at corresponding positions on the connecting plate.

[0010] Preferably, the spring is fixedly connected to the side of the lower mounting plate, the other end of the spring is fixedly connected to the clamping plate, a limiting rod is fixedly connected to the clamping plate, the limiting rod is in a cylindrical structure, and the limiting rod can be inserted into the limiting holes provided on the side of the grinding block, and the limiting holes are in a circular groove structure.

[0011] Preferably, the limiting groove is a "convex"-shaped groove structure, and the limiting block fixedly connected to the grinding block can be inserted into the limiting groove, and the limiting block is a "convex"-shaped plate structure.

[0012] Preferably, a plurality of threaded rods are fixedly connected to the upper surface of the fixed plate, a motor is fixedly connected to the lower surface of the fixed plate, the motor drive shaft is fixedly connected to the rotating plate, a plurality of hydraulic push rods are fixedly connected to the rotating plate, and the telescopic ends of the hydraulic push rods are fixedly connected to the lower mounting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The flange sealing surface online repair device proposed by the utility model can make the threaded rod fixedly connected on the fixing plate snap into the hole opened at the corresponding position of the connecting plate, snap the threaded rod fixedly connected on the fixing plate into the hole opened at the corresponding position of the connecting plate and fix it with a nut, snap one end of the connecting rod into a suitable connecting hole, and then use the nut to thread the connecting rod, fix the connecting rod on the upper mounting plate, and then align the other end of the connecting rod with the hole on the flange, insert it and fix it with a nut. The above structures cooperate with each other, the structure is simple, and the various structures of the device are detachable, which is convenient for the staff to carry the device and has high practicality. The electric push rod is started to push the rotating plate downward until the lower mounting plate is snapped into the inside of the flange, and then the hydraulic push rod is started to push the lower mounting plate The mounting plate and the grinding block move toward the inner wall of the flange until the grinding block contacts the inner wall of the flange. The above-mentioned structures cooperate with each other so that the device can repair flanges of different specifications, greatly improving the applicability of the device and the work efficiency of the staff. It is highly practical, simple in structure and easy to operate. The grinding effect of the grinding block will decrease after long-term use, and the grinding block needs to be replaced in time. The staff pulls the clamping plate to disengage the limit rod from the limit hole, and the grinding block can be removed along the limit groove opened on the lower mounting plate and replaced with a new grinding block. The structure is simple, which is convenient for the staff to disassemble and maintain it, thereby improving the reliability of the device. The motor is started to rotate the rotating plate, so that the grinding block follows the rotation to grind and repair the flange sealing surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 for Figure 1 The enlarged structural diagram at B in the middle;

[0018] Figure 4 This is a schematic diagram of the installation of the utility model during normal use;

[0019] Figure 5For Figure 4 Schematic diagram of the enlarged structure at position C in

[0020] In the figure: 1. Upper mounting plate; 2. Lower mounting plate; 3. Connecting hole; 4. Electric push rod; 5. Connecting rod; 6. Limit groove; 7. Spring; 8. Connecting plate; 9. Fixed plate; 10. Threaded rod; 11. Motor; 12. Rotating plate; 13. Hydraulic push rod; 14. Limit block; 15. Grinding block; 16. Clamping plate; 17. Limit hole;

[0021] 18. Limit rod. Specific implementation mode

[0022] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-5 , the present utility model provides a technical solution: an on-line repair device for flange sealing surface, the on-line repair device for flange sealing surface includes: an upper mounting plate 1, on which a plurality of connecting holes 3 are opened, and an electric push rod 4 is arranged on the upper mounting plate 1; a lower mounting plate 2, on the side of the lower mounting plate 2, a spring 7 is arranged, and a limit groove 6 is opened on the lower mounting plate 2;

[0025] During specific use, the staff connects one end of the connecting rod 5 to the connecting hole 3 of the upper mounting plate 1, then uses a nut to fix the connecting rod 5 on the upper mounting plate 1, then inserts the other end of the connecting rod 5 into the hole on the flange and fixes it with a nut, fixes the device and the flange as a whole, starts the electric push rod 4 to push the rotating plate 12 and the lower mounting plate 2 into the flange, starts the hydraulic push rod 13 to push the lower mounting plate 2 and the grinding block 15 towards the inner wall of the flange until the grinding block 15 contacts the inner wall of the flange, and starts the motor 11 to rotate the rotating plate 12, so that the grinding block 15 rotates along with it to polish and repair the flange sealing surface.

[0026] Embodiment 2

[0027] On the basis of the first embodiment, a connection hole 3 is provided to make the device more convenient and efficient. The connection hole 3 is in the shape of a circular groove. One end of the connecting rod 5 can be inserted into the connection hole 3, and the other end of the connecting rod 5 can be inserted into the hole opened on the flange. According to actual needs, the staff can insert one section of the connecting rod 5 into a suitable connection hole 3 on the upper mounting plate 1 and fix it with a nut to improve the applicability of the device. The electric push rod 4 is fixedly connected to the upper mounting plate 1, and the telescopic end of the electric push rod 4 is fixedly connected to the connecting plate 8. The threaded rod 10 fixedly connected to the fixing plate 9 can be inserted into the hole opened at the corresponding position on the connecting plate 8. Insert the threaded rod 10 fixedly connected to the fixing plate 9 into the hole opened at the corresponding position on the connecting plate 8 and fix it with a nut, then the motor 11 is fixed on the device. The structure is simple and convenient for the staff to disassemble the device. The staff can disassemble each structure, which is convenient for the staff to carry and convenient for on-site repair work of the flange. The practicability is high. A plurality of threaded rods 10 are fixedly connected to the upper surface of the fixing plate 9, and the motor 11 is fixedly connected to the lower surface of the fixing plate 9. The transmission shaft of the motor 11 is fixedly connected to the rotating plate 12. A plurality of hydraulic push rods 13 are fixedly connected to the rotating plate 12. The telescopic end of the hydraulic push rod 13 is fixedly connected to the lower mounting plate 2. Start the hydraulic push rod 13 to push the lower mounting plate 2 and the grinding block 15 towards the inner wall of the flange until the grinding block 15 contacts the inner wall of the flange, so that the device can repair flanges of different specifications, greatly improving the applicability of the device, improving the work efficiency of the staff, with high practicability, simple structure and convenient operation.

[0028] The Third Embodiment

[0029] On the basis of the second embodiment, a spring 7 is provided to facilitate the later maintenance of the staff. The spring 7 is fixedly connected to the side of the lower mounting plate 2, and the other end of the spring 7 is fixedly connected to the clamping plate 16. A limiting rod 18 is fixedly connected to the clamping plate 16. The limiting rod 18 is in the shape of a cylinder and can be inserted into the limiting hole 17 opened on the side of the grinding block 15. The limiting hole 17 is in the shape of a circular groove. The staff pulls the clamping plate 16 to a suitable position, aligns the limiting block 14 fixedly connected to the grinding block 15 with the limiting groove 6 and inserts it. Release the clamping plate 16, and the spring 7 pulls the clamping plate 16 to make the limiting rod 18 fixedly connected to the clamping plate 16 inserted into the limiting hole 17, then the grinding block 15 is fixed on the lower mounting plate 2. The structure is simple and convenient for the staff to install. The limiting groove 6 is in the shape of a "convex" - shaped groove, and the limiting block 14 fixedly connected to the grinding block 15 can be inserted into the limiting groove 6. The limiting block 14 is in the shape of a "convex" - shaped plate. With the above - mentioned structures cooperating with each other, the staff pulls the clamping plate 16 to make the limiting rod 18 fixedly connected to the clamping plate 16 disengage from the limiting hole 17 opened on the side of the grinding block 15, and the staff can remove the grinding block 15 along the limiting groove 6 opened on the lower mounting plate 2. The structure is simple, convenient for the staff to disassemble and install, convenient for the staff's later maintenance, improving the reliability of the device and having high practicability.

[0030] In actual use, the threaded rod 10 fixedly connected on the fixing plate 9 can be inserted into the hole opened at the corresponding position on the connecting plate 8, the threaded rod 10 fixedly connected on the fixing plate 9 is inserted into the hole opened at the corresponding position on the connecting plate 8 and fixed with a nut, one end of the connecting rod 5 is inserted into the appropriate connecting hole 3, and then the threaded connection on the connecting rod 5 is connected with a nut, the connecting rod 5 is fixed on the upper mounting plate 1, and then the other end of the connecting rod 5 is aligned with the hole on the flange and inserted and fixed with a nut. The above structures cooperate with each other, the structure is simple, and the various structures of the device are detachable, which is convenient for the staff to carry the device and has high practicality. The electric push rod 4 is started to push the rotating plate 12 to move downward until the lower mounting plate 2 is inserted into the flange, and then the hydraulic push rod 13 is started to push the lower mounting plate 2 and the grinding block 15 Move toward the inner wall of the flange until the grinding block 15 contacts the inner wall of the flange. The above-mentioned structures cooperate with each other so that the device can repair flanges of different specifications, greatly improving the applicability of the device and the work efficiency of the staff. It is highly practical, simple in structure and easy to operate. The grinding effect of the grinding block 15 will be reduced after long-term use, and the grinding block 15 needs to be replaced in time. The staff pulls the clamping plate 16 to disengage the limiting rod 18 from the limiting hole 17, and then the grinding block 15 can be removed along the limiting groove 6 opened on the lower mounting plate 2 and replaced with a new grinding block 15. The structure is simple, which is convenient for the staff to disassemble and maintain it, thereby improving the reliability of the device. Start the motor 11 to rotate the rotating plate 12, so that the grinding block 15 follows the rotation to grind and repair the flange sealing surface.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online repair device for flange sealing surface, characterized in that: The flange sealing surface online repair device comprises: an upper mounting plate (1), a plurality of connection holes (3) are provided on the upper mounting plate (1), and an electric push rod (4) is arranged on the upper mounting plate (1); A lower mounting plate (2) is provided with a spring (7) on the side of the lower mounting plate (2), and a limiting groove (6) is provided on the lower mounting plate (2).

2. The flange sealing surface online repair device according to claim 1, characterized in that: The connecting hole (3) is a circular groove-shaped structure, one end of the connecting rod (5) can be inserted into the connecting hole (3), and the other end of the connecting rod (5) can be inserted into the hole opened on the flange.

3. The flange sealing surface online repair device according to claim 1, characterized in that: The electric push rod (4) is fixedly connected to the upper mounting plate (1), the telescopic end of the electric push rod (4) is fixedly connected to the connecting plate (8), and the threaded rod (10) fixedly connected to the fixing plate (9) can be inserted into a hole opened at a corresponding position on the connecting plate (8).

4. The flange sealing surface online repair device according to claim 1, characterized in that: The spring (7) is fixedly connected to the side of the lower mounting plate (2), and the other end of the spring (7) is fixedly connected to the clamping plate (16). A limiting rod (18) is fixedly connected to the clamping plate (16), and the limiting rod (18) is a cylindrical structure. The limiting rod (18) can be inserted into a limiting hole (17) provided on the side of the grinding block (15), and the limiting hole (17) is a circular groove structure.

5. The flange sealing surface online repair device according to claim 1, characterized in that: The limiting groove (6) is a "convex"-shaped groove structure, and the limiting block (14) fixedly connected to the grinding block (15) can be inserted into the limiting groove (6), and the limiting block (14) is a "convex"-shaped plate structure.

6. The flange sealing surface online repair device according to claim 3, characterized in that: The upper surface of the fixed plate (9) is fixedly connected to a plurality of threaded rods (10), the lower surface of the fixed plate (9) is fixedly connected to a motor (11), the transmission shaft of the motor (11) is fixedly connected to a rotating plate (12), the rotating plate (12) is fixedly connected to a plurality of hydraulic push rods (13), and the telescopic ends of the hydraulic push rods (13) are fixedly connected to the lower mounting plate (2).

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