CN112709875A

CN112709875A - Dual-phase steel forging with intergranular corrosion resistance

Info

Publication number: CN112709875A
Application number: CN201911014625.2A
Authority: CN
Inventors: 张云峰
Original assignee: Wuxi Parke Mechanical And Electrical Engineering Co ltd
Current assignee: Wuxi Parke Mechanical And Electrical Engineering Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2021-04-27

Abstract

The invention discloses a dual-phase steel forging with intergranular corrosion resistance, and particularly relates to the technical field of forgings. According to the invention, the end part of the installation pipe is provided with the convex edge, and the side surface of the side sealing ring is provided with the groove matched with the convex edge of the end part of the installation pipe, so that the contact surface between the side sealing ring and the installation pipe can be better sealed by the groove on the side surface of the side sealing ring and the convex edge on the side surface of the installation pipe, and the sealing property of the equipment is improved.

Description

Dual-phase steel forging with intergranular corrosion resistance

Technical Field

The invention relates to the technical field of forgings, in particular to a dual-phase steel forging with intergranular corrosion resistance.

Background

The forging is a workpiece or a blank obtained by forging and deforming a metal blank, and the metal blank is subjected to pressure to generate plastic deformation so as to change the mechanical property of the metal blank.

The dual-phase steel refers to steel with ferrite and austenite accounting for 50% respectively, and the minimum content of the minor phase generally needs to reach 30%, so when the dual-phase steel pipe is connected with a flange, electric welding is usually used, but professional personnel must be used for operation because electric welding, otherwise accidents may occur, but the flange structure may need to be adjusted according to field requirements in the use process of the dual-phase steel pipe, so that electric welding operators are needed to carry out field welding, a large amount of waste of time cost is caused, the use cost is increased, the rhythm of the whole project is slowed down, and in addition, welding position leakage occurs because the welding position is not welded through by electric welding, and the normal work of the whole device is influenced.

Therefore, it is urgently needed to provide a dual-phase steel forging which can quickly replace a flange and has a good sealing effect.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides a dual-phase steel forging with intergranular corrosion resistance, which can realize better sealing effect on the contact surface of a side sealing ring and a mounting pipe and increase the sealing property of equipment by virtue of a groove on the side surface of the side sealing ring and a convex edge on the side surface of the mounting pipe; and can not fix the flange to the side of diphase steel pipe through electric welding for can be quick connect diphase steel pipe and flange, and can guarantee the stability of its connection, with the problem of proposing among the above-mentioned background art of solution.

In order to achieve the purpose, the invention provides the following technical scheme: a dual-phase steel forging with intergranular corrosion resistance comprises a dual-phase steel pipe and a flange, wherein the side surface of the dual-phase steel pipe is provided with a flange mounting groove, the surface of the double-phase steel pipe is provided with a fixing pin mounting hole, the side surface of the flange is integrally formed with a convex edge, the other side of the flange is integrally formed with a mounting pipe, the surface of the mounting pipe is provided with a limit groove, the side wall of the flange mounting groove is in threaded mounting with the inner wall of the mounting pipe, the inner cavity of the flange mounting groove is sleeved with a fixing plate, a side sealing ring is fixedly arranged on the side surface of the fixed plate, a compression spring is fixedly arranged on the other side of the fixed plate, the inner cavity thread of the fixed pin mounting hole is provided with a fixed pin, the outer surface of the mounting pipe is sleeved with an outer sealing ring, the inner cavity joint of installation pipe has interior sealing washer, the surface fixed mounting on protruding edge has the sealing ring.

In a preferred embodiment, the flange mounting groove is an annular stepped groove, and the groove with the smaller cross-sectional diameter is matched with the compression spring, and the groove with the larger cross-sectional diameter is matched with the fixing plate.

In a preferred embodiment, the fixing pin mounting holes are formed in the outer surface of the dual-phase steel pipe and are communicated with the limiting grooves when the flange is mounted at a designated position.

In a preferred embodiment, the flange is mounted in a designated position to compressively deform the compression spring.

In a preferred embodiment, the end of the mounting tube is provided with a convex edge, and the side surface of the side sealing ring is provided with a groove matched with the convex edge of the end of the mounting tube.

In a preferred embodiment, the inner cavity of the mounting pipe is provided with threads, and the side surface of the inner cavity of the flange mounting groove is provided with threads matched with the threads of the inner cavity of the mounting pipe.

In a preferred embodiment, the side sealing ring, the outer sealing ring, the inner sealing ring and the sealing ring are all rubber members, and the cross-sectional diameter of the three sealing rings is gradually reduced from left to right.

In a preferred embodiment, the number of the compression springs is eight, and the eight compression springs are all evenly distributed on the side surface of the fixed plate.

The invention has the technical effects and advantages that:

1. according to the invention, the compression spring is compressed and deformed after the flange is arranged at the designated position, so that when the flange is arranged on the side surface of the biphase steel pipe, the side sealing ring and the side surface of the installation pipe can achieve a sealing effect by extruding the side sealing ring, and if the weather is cold, the cold shrinkage deformation of the side sealing ring can be compensated by the return of the compression spring, so that the equipment can achieve a sealing effect, and the sealing property of the equipment is improved;

2. according to the invention, the end part of the installation pipe is provided with the convex edge, and the side surface of the side sealing ring is provided with the groove matched with the convex edge at the end part of the installation pipe, so that the contact surface between the side sealing ring and the installation pipe can be better sealed by the groove at the side surface of the side sealing ring and the convex edge at the side surface of the installation pipe, and the sealing property of the equipment is improved;

3. according to the invention, the inner cavity provided with the installation pipe is provided with the threads, and the side surface of the inner cavity of the flange installation groove is provided with the threads matched with the threads of the inner cavity of the installation pipe, so that the flange can be fixed to the side surface of the double-phase steel pipe without electric welding, the double-phase steel pipe and the flange can be quickly connected, the connection stability can be ensured, and the practicability of the equipment is increased.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural diagram of the sealing device of the present invention.

FIG. 4 is a schematic view of the structure at A of FIG. 2 according to the present invention.

FIG. 5 is a schematic view of the structure at B of FIG. 2 according to the present invention.

The reference signs are: 1. a two-phase steel pipe; 11. a flange mounting groove; 12. fixing a pin mounting hole; 2. a flange; 21. a convex edge; 22. installing a pipe; 221. a limiting groove; 3. a fixing plate; 4. a side seal ring; 5. a compression spring; 6. fixing and pinning; 7. an outer sealing ring; 8. an inner seal ring; 9. and (4) a sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the attached drawings 1-5, a dual-phase steel forging with intergranular corrosion resistance comprises a dual-phase steel pipe 1 and a flange 2, a flange installation groove 11 is formed in the side surface of the dual-phase steel pipe 1, a fixing pin installation hole 12 is formed in the surface of the dual-phase steel pipe 1, a convex edge 21 is integrally formed in the side surface of the flange 2, an installation pipe 22 is integrally formed in the other side of the flange 2, a limiting groove 221 is formed in the surface of the installation pipe 22, the side wall of the flange installation groove 11 is in threaded installation with the inner wall of the installation pipe 22, a fixing plate 3 is sleeved in the inner cavity of the flange installation groove 11, a side sealing ring 4 is fixedly installed on the side surface of the fixing plate 3, a compression spring 5 is fixedly installed on the other side of the fixing plate 3, a fixing pin 6 is installed in the inner cavity of the fixing pin installation hole, the outer surface of the flange 21 is fixedly provided with a sealing ring 9.

Referring to the description figures 2 and 4: the flange mounting groove 11 is an annular stepped groove, the groove with the smaller cross-sectional diameter is matched with the compression spring 5, and the groove with the larger cross-sectional diameter is matched with the fixing plate 3.

The specific implementation mode is as follows: through having set up flange mounting groove 11 for annular ladder groove, and the less groove of cross-sectional diameter and compression spring 5's looks adaptation, the great groove of cross-sectional diameter and fixed plate 3 looks adaptations have realized installing compression spring 5 in the less inslot of flange mounting groove 11 inner chamber, and the less groove of flange mounting groove 11 can also restrict fixed plate 3, avoid leading to compression spring 5 to damage because of the compression is excessive, increased the practicality of equipment.

Referring to the description figures 2 and 4: the fixing pin installation hole 12 is located on the outer surface of the dual phase steel pipe 1, and the fixing pin installation hole 12 is communicated with the stopper groove 221 when the flange 2 is installed at a designated position.

The specific implementation mode is as follows: through having set up the surface that fixed pin mounting hole 12 is located diphase steel pipe 1, and fixed pin mounting hole 12 link up with spacing groove 221 mutually when flange 2 is installed the assigned position, realized can deciding 6 through the fixed pin and to the rigidity with flange 2, avoided flange 2 to appear not hard up because of the vibration of equipment during operation, cause the unable normal work of equipment, increased the stability of equipment.

Referring to the description figures 2 and 4: the flange 2 is mounted in a designated position to compressively deform the compression spring 5.

Referring to the description figures 2 and 4: the end of the mounting tube 22 is provided with a convex edge, and the side surface of the side sealing ring 4 is provided with a groove matched with the convex edge of the end of the mounting tube 22.

Referring to the description of the drawings, fig. 2 and 4-5: the inner cavity of the mounting pipe 22 is provided with threads, and the side surface of the inner cavity of the flange mounting groove 11 is provided with threads matched with the threads of the inner cavity of the mounting pipe 22.

Referring to the description figures 1-2 and 4: the side sealing ring 4, the outer sealing ring 7, the inner sealing ring 8 and the sealing ring 9 are all rubber components, and the number of the sealing rings 9 is three, and the diameters of the cross sections of the sealing rings are gradually reduced from left to right.

The specific implementation mode is as follows: through having set up side seal circle 4, external seal circle 7, interior sealing washer 8 and sealing ring 9 and be the rubber material component, and sealing ring 9 has threely, and section diameter reduces gradually from left to right, has realized side seal circle 4, external seal circle 7, interior sealing washer 8 and sealing ring 9 and can seal the equipment hookup location, and can realize through setting up of three sealing ring 9 that sealed effect is better when being connected flange 2 with another pipe, has increased the practicality of equipment.

Referring to the description of figure 3: the number of the compression springs 5 is eight, and the eight compression springs 5 are uniformly distributed on the side surface of the fixed plate 3.

The specific implementation mode is as follows: there are eight through the quantity that has set up compression spring 5, and eight 5 equal evenly distributed of compression spring are in the side of fixed plate 3, have realized that compression spring 5 can be more stable prescribe a limit to fixed plate 3, have avoided leading to equipment leakproofness to reduce because of prescribing a limit to unstability, increase the practicality of equipment.

The working principle is as follows:

a preparation stage: the equipment is first transported to the point of use and then the installation of the equipment is completed.

The working stage is as follows: firstly, through the extrusion of installation pipe 22 to offside sealing washer 4 for equipment can not appear revealing at the during operation, then can guarantee under the effect of fixed pin 6 that flange 2 can not appear becoming flexible, then can compensate the shrinkage of offside sealing washer 4 through compression spring's 5 return when the temperature step-down, then outer seal ring 7 and interior sealing washer 8 can further seal biphase steel pipe 1 and flange 2 junction, keep stable sealed when setting up through protruding edge 21 and sealing ring 9 can making flange 2 be connected with other equipment afterwards.

And (5) finishing: firstly, disassembling the equipment, and then maintaining the equipment.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a dual phase steel forging with intergranular corrosion resistance can, includes dual phase steel pipe (1) and flange (2), its characterized in that: the side of diphase steel pipe (1) has been seted up flange mounting groove (11), fixing pin mounting hole (12) have been seted up on the surface of diphase steel pipe (1), the side integrated into one piece of flange (2) has protruding edge (21), the opposite side integrated into one piece of flange (2) has installation pipe (22), spacing groove (221) have been seted up on the surface of installation pipe (22), the lateral wall of flange mounting groove (11) and the inner wall screw thread installation of installation pipe (22), the inner chamber of flange mounting groove (11) has cup jointed fixed plate (3), the side fixed mounting of fixed plate (3) has side seal circle (4), the opposite side fixed mounting of fixed plate (3) has compression spring (5), the inner chamber screw thread installation of fixing pin mounting hole (12) has fixed round pin (6), the surface of installation pipe (22) has cup jointed outer seal circle (7), the inner cavity joint of installation pipe (22) has interior sealing washer (8), the fixed surface of protruding edge (21) installs sealing ring (9).

2. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: flange mounting groove (11) are annular ladder groove, and the less groove of cross-sectional diameter and compression spring (5) the looks adaptation, the great groove of cross-sectional diameter and fixed plate (3) looks adaptation.

3. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: the fixing pin mounting hole (12) is located on the outer surface of the biphase steel pipe (1), and when the flange (2) is mounted at a specified position, the fixing pin mounting hole (12) is communicated with the limiting groove (221).

4. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: the flange (2) is mounted at a designated position and then compresses and deforms the compression spring (5).

5. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: the end part of the mounting pipe (22) is provided with a convex edge, and the side surface of the side sealing ring (4) is provided with a groove matched with the convex edge of the end part of the mounting pipe (22).

6. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: the inner cavity of the installation pipe (22) is provided with threads, and the side surface of the inner cavity of the flange installation groove (11) is provided with threads matched with the threads of the inner cavity of the installation pipe (22).

7. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: the side sealing ring (4), the outer sealing ring (7), the inner sealing ring (8) and the sealing ring (9) are all rubber material components, the number of the sealing rings (9) is three, and the diameters of the cross sections of the sealing rings are gradually reduced from left to right.

8. The dual phase steel forging having intergranular corrosion resistance of claim 1, wherein: the number of the compression springs (5) is eight, and the eight compression springs (5) are uniformly distributed on the side face of the fixing plate (3).