Quenching positioning assembly for weld joint heat treatment

Abstract

The utility model belongs to the technical field of metal heat treatment, and particularly discloses a welding seam heat treatment quenching positioning assembly. The weld joint heat treatment quenching positioning assembly comprises a quenching inner spraying unit, the quenching inner spraying unit is provided with an inner spraying telescopic rod, an inner spraying head, a connecting rod, an outer spraying telescopic rod, an outer spraying telescopic rod, an outer spraying telescopic rod, an outer spraying telescopic rod, an outer spraying telescopic rod and an inner spraying head, and the inner spraying telescopic rod is located at the end, away from the spraying liquid supply unit, of the inner spraying head; the silica gel gasket is positioned at one end, far away from the inner spray head, of the connecting rod; wherein the inner nozzle plug is used for plugging the end of the inner nozzle, a mounting flange is arranged at one end, away from the inner nozzle plug, of the connecting rod, and the silica gel gasket is mounted on the mounting flange. According to the utility model, a thick-wall welding seam can be completely quenched by internally spraying quenching liquid, so that better quenching performance is obtained; and the inner nozzle part is provided with a silica gel gasket, so that quenching liquid can be completely blocked in the pipe head, and the quenching liquid is prevented from flowing into the whole drill rod.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal heat treatment, in particular to a weld heat treatment quenching positioning component. Background Art

[0002] There are more deep wells, ultra-deep wells, and large-displacement horizontal wells. The development of ultra-long-displacement horizontal wells over 30,000ft in the Middle East / America / 10,000m deep wells in Tarim requires more and more high-strength S135, V150, and U165 drill pipes, which require high toughness at the same time of high strength. Therefore, drill pipe manufacturers have begun to develop large-size, thick-walled drill pipes. And thick-walled drill pipes need to study the hardenability problem during quenching. Existing catalytic equipment is difficult to achieve effective quenching operations for thick-walled drill pipes. Utility Model Content

[0003] In order to solve the above problems, the utility model adopts the following solutions:

[0004] A weld heat treatment quenching positioning assembly comprises a quenching internal spray unit, wherein the quenching internal spray unit has

[0005] The internal spray telescopic rod has one end used to connect to the spray liquid supply unit.

[0006] The inner spray head is located at one end of the inner spray telescopic rod away from the spray liquid supply unit, and a spray hole is provided on the side wall of the inner spray head.

[0007] The connecting rod is colinear with the inner spray telescopic rod, and one end of the connecting rod is connected to the inner spray head through the inner spray head plug.

[0008] A silicone gasket is located at the end of the connecting rod away from the inner nozzle;

[0009] Among them, the inner nozzle plug is used to seal the end of the inner nozzle, the end of the connecting rod away from the inner nozzle plug has a mounting flange, and the silicone gasket is installed on the mounting flange.

[0010] In some embodiments, the silicone gasket protrudes from the outer wall of the mounting flange; and the outer diameter of the silicone gasket is greater than the outer diameter of the inner nozzle.

[0011] In some embodiments, the connecting rod is connected to the inner nozzle plug through a threaded portion.

[0012] In some embodiments, an outer spray ring is further included, and spray holes are provided on the inner wall of the outer spray ring.

[0013] In some embodiments, the outer spray ring is arranged outside the drill rod, the quenching inner spray unit is penetrated into the drill rod, and the silicone gasket is sealed and abutted against the inner wall of the inner cavity of the drill rod.

[0014] In some embodiments, the inner diameter of one end of the inner cavity of the outer spray ring is larger than that of the other end.

[0015] In some embodiments, a spray hole group is formed on the inner wall of the outer spray ring, and any spray hole group has a plurality of spray holes.

[0016] In some embodiments, any spray hole group is radially arranged along the outer spray ring.

[0017] The beneficial effects of the utility model are:

[0018] 1. It can better avoid the cracks of the wear-resistant belt caused by quenching liquid spraying;

[0019] 2. Internal spraying of quenching liquid can achieve complete quenching of thick-walled welds, thereby obtaining better quenching performance;

[0020] 3. The internal nozzle head is equipped with a silicone gasket, which can completely block the quenching liquid in the pipe head to prevent the quenching liquid from flowing into the entire drill pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the quenching internal spray unit;

[0022] Figure 2 It is a schematic diagram of the structure of the outer spray ring;

[0023] Figure 3 This is a structural diagram of the outer spray ring from another perspective.

[0024] In the figure:

[0025] 10 outer spray ring, 11 spray holes are provided on the inner wall, 20 quenching inner spray unit, 21 inner spray telescopic rod, 22 inner spray head, 23 inner spray head plug, 24 connecting rod, 25 mounting flange. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] Weld heat treatment quenching positioning components, such as Figure 1 As shown in FIG. , it includes a quenching inner spray unit 20, and the quenching inner spray unit 20 has

[0028] The inner spray telescopic rod 21 has one end for connecting to the spray liquid supply unit.

[0029] The inner spray head 22 is located at one end of the inner spray telescopic rod 21 away from the spray liquid supply unit, and a spray hole is provided on the side wall of the inner spray head 22.

[0030] The connecting rod 24 is colinear with the inner spray telescopic rod 21, and one end of the connecting rod 24 is connected to the inner spray head 22 through the inner spray head plug 23.

[0031] A silicone gasket is located at the end of the connecting rod 24 away from the inner nozzle 22;

[0032] The inner nozzle plug 23 is used to seal the end of the inner nozzle 22 , and the end of the connecting rod 24 away from the inner nozzle plug 23 has a mounting flange 25 , and the silicone gasket is mounted on the mounting flange 25 .

[0033] The silicone gasket protrudes from the outer wall of the mounting flange 25; the outer diameter of the silicone gasket is larger than the outer diameter of the inner nozzle 22. This ensures that the inner nozzle 22 can discharge liquid normally. The silicone gasket can also be effectively prevented from falling off during use by providing the mounting flange 25. The specific mounting structure can adopt the existing technology and is not particularly limited here.

[0034] The connecting rod 24 is connected to the inner nozzle plug 23 via a threaded portion, thereby the inner nozzle telescopic rod 21 and the connecting rod 24 can be adjusted and replaced to adapt to drill rods of different lengths.

[0035] The end of the inner spray telescopic rod 21 away from the inner spray head 22 also has a mounting threaded portion, which can be installed through the inner spray telescopic rod 21

[0036] The weld heat treatment quenching positioning assembly further comprises an outer spray ring 10 , the inner wall of the outer spray ring 10 is provided with spray holes 11 , and then the quenching liquid is sprayed out from the spray holes 11 .

[0037] The outer spray ring 10 is sleeved outside the drill pipe to quench the outer wall of the drill pipe. The quenching inner spray unit 20 is penetrated into the drill pipe and the silicone gasket is sealed against the inner wall of the inner cavity of the drill pipe. In actual application, the silicone gasket is sealed against the inner wall of the inner cavity of the drill pipe to prevent the quenching liquid from spilling.

[0038] comprehensive Figure 2 , 3 As shown in , the inner diameter of one end of the inner cavity of the outer spray ring 10 is larger than the other end (same as a truncated cone inner cavity), and the inner cavity of the outer spray ring 10 is a cavity with different diameters at both ends. The inner wall of the outer spray ring 10 is provided with a spray hole group, and any spray hole group has a plurality of spray holes 11. Any spray hole group is arranged radially along the outer spray ring 10, thereby adjusting the spray direction of the spray holes, so that the sprayed liquid can be better discharged to one end of the inner cavity of the outer spray ring 10.

[0039] It is clear to those skilled in the art that various modifications to the above embodiments can be made without departing from the overall spirit and concept of the present invention. All of them fall within the protection scope of the present invention. The protection scheme of the present invention shall be subject to the claims attached to the present invention.

Claims

1. Weld heat treatment quenching positioning assembly, characterized in that: It comprises a quenching internal spray unit (20), wherein the quenching internal spray unit (20) has The inner spray telescopic rod (21) has one end for connecting to the spray liquid supply unit. The inner spray head (22) is located at one end of the inner spray telescopic rod (21) away from the spray liquid supply unit, and a spray hole is provided on the side wall of the inner spray head (22). The connecting rod (24) is colinear with the inner spray telescopic rod (21), and one end of the connecting rod (24) is connected to the inner spray head (22) through the inner spray head plug (23). A silicone gasket is located at an end of the connecting rod (24) away from the inner nozzle (22); The inner nozzle plug (23) is used to seal the end of the inner nozzle (22), and the end of the connecting rod (24) away from the inner nozzle plug (23) has a mounting flange (25), and the silicone gasket is mounted on the mounting flange (25).

2. The weld heat treatment quenching positioning assembly according to claim 1, characterized in that: The silicone gasket protrudes from the outer wall of the mounting flange (25); the outer diameter of the silicone gasket is greater than the outer diameter of the inner nozzle (22).

3. The weld heat treatment quenching positioning assembly according to claim 1, characterized in that: The connecting rod (24) is connected to the inner nozzle plug (23) via a threaded portion.

4. The weld heat treatment quenching positioning assembly according to claim 1, characterized in that: It also comprises an outer spray ring (10), the inner wall of which is provided with spray holes (11).

5. The weld heat treatment quench positioning assembly according to claim 4, characterized in that, The outer spray ring (10) is sleeved outside the drill rod, the quenching inner spray unit (20) is penetrated into the drill rod, and the silicone gasket is in sealing contact with the inner wall of the inner cavity of the drill rod.

6. The weld heat treatment quench positioning assembly according to claim 4, characterized in that, The inner diameter of one end of the inner cavity of the outer spray ring (10) is larger than that of the other end.

7. The weld heat treatment quenching positioning assembly according to claim 4, characterized in that: The inner wall of the outer spray ring (10) is provided with a spray hole group, and any spray hole group has a plurality of spray holes (11).

8. The weld heat treatment quenching positioning assembly according to claim 7, characterized in that: Any spray hole group is arranged radially along the outer spray ring (10).

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