Sectional type seamless steel tube quenching device
By designing a segmented seamless steel pipe quenching device, segmented heating and cooling processes were achieved, solving the problem of low efficiency of existing devices, improving processing accuracy and stability, and ensuring the stability of the cooling process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI FENGXIAN STEEL PIPE FACTORY
- Filing Date
- 2025-05-14
- Publication Date
- 2026-05-08
AI Technical Summary
Existing seamless steel pipe quenching equipment has low efficiency and low adaptability because the heating and cooling functions are far apart and cannot be processed in sections, which affects the processing effect.
A segmented seamless steel pipe quenching device was designed, including a base, quenching components, electric push rod, slide rail, moving seat, clamping plate, and other components. It realizes segmented heating and cooling processes. The height of the quenching box is adjusted by the electric push rod, the clamping plate fixes the steel pipe, and the support frame provides support to ensure the stability and fixation of the steel pipe.
It improves the efficiency of the quenching device, enhances the fixation and stability of the steel pipe, improves the processing accuracy and equipment adaptability, and ensures the stability of the cooling process.
Smart Images
Figure CN224212713U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel pipe processing technology, specifically to a segmented seamless steel pipe quenching device. Background Technology
[0002] Seamless steel pipes play a crucial role in oil and gas extraction and transportation because they can withstand high pressure and harsh working environments. Their processing techniques, including hot rolling, cold rolling, and cold drawing, not only ensure the dimensional accuracy and surface quality of the products, but also improve material utilization and reduce production costs by optimizing materials and wall thickness.
[0003] Quenching is a heat treatment process that changes the microstructure of steel pipes through rapid cooling, thereby improving their hardness and wear resistance. Current quenching equipment has a long separation between heating and cooling functions, making it impossible to process in segments and reducing the efficiency of the equipment. At the same time, the low adaptability of the equipment affects the processing effect.
[0004] Therefore, a novel segmented seamless steel pipe quenching device is proposed to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to provide a segmented seamless steel pipe quenching device to solve the problems mentioned in the background art, such as the inability to segment the quenching device due to the large distance between the heating and cooling functions, which reduces the efficiency of the device, and the low adaptability of the device affecting the processing effect.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a segmented seamless steel pipe quenching device, including a base, a fixed seat fixedly connected to the front end of the top of the base, and a flexibly adjustable quenching component arranged above the base;
[0007] The quenching assembly includes a quenching box, electric push rods are fixedly connected to both sides of the bottom end of the quenching box, the bottom end of the electric push rods is fixedly connected to the top end of the base, a fixed plate is fixedly connected to the rear end of the top of the base, slide rails are fixedly connected to both sides of the front end of the fixed plate, the slide rails are vertically arranged, and a movable seat is slidably sleeved on the outside of the slide rails.
[0008] As a further technical solution of this utility model, the movable seat is provided in two sets, and the inner side wall of the movable seat is fixedly connected to the side wall of the quenching box.
[0009] As a further technical solution of this utility model, a support frame is fixedly connected to both sides of the top of the base, and a connecting seat is fixedly connected to the top of the support frame.
[0010] As a further technical solution of this utility model, the top of the connecting seat is recessed inward to form an inner groove, and adjusting bolts are provided through the front and rear ends of the connecting seat.
[0011] As a further technical solution of this utility model, a handwheel is fixedly connected to the outer end of the adjusting bolt, and a clamping plate is movably connected to the inner end of the adjusting bolt.
[0012] As a further technical solution of this utility model, an outer plate is fixedly connected to the outer end of the fixed base, and a through groove is provided on the top of the outer plate, through which a support frame is slidably installed.
[0013] As a further technical solution of this utility model, the bottom of the upright frame is fixedly connected to both sides of the limiting frame. The limiting frame is sleeved on the outside of the outer plate. The side wall of the limiting frame is horizontally provided with a fastening bolt. The left side of the fastening bolt is fixedly connected to a knob, and the right side of the fastening bolt penetrates the inside of the outer plate.
[0014] As a further technical solution of this utility model, a horizontal plate is fixedly connected to the top of the rear end of the upright frame by a fastener, and multiple sets of heaters are fixedly connected to the rear end of the horizontal plate.
[0015] Compared with the prior art, the beneficial effects of this utility model are: the segmented seamless steel pipe quenching device not only realizes the adaptation and adjustment function and the limit and fixation function, but also realizes the flexible movement function;
[0016] (1) By setting up a fixed plate, electric push rod, movable seat, quenching box and slide rail, the quenching box fixed at the top is lifted upward by the electric push rod. The quenching box is adjusted to the appropriate height, which can quickly cool the bottom of the heated steel pipe, realize the segmented heating and cooling process, and improve the working efficiency of the equipment. The two sets of movable seats are slidably connected to the outside of the slide rail, which enhances the connection between the quenching box and the fixed plate, ensures the stability and safety of the quenching box itself, and avoids the quenching box from shaking due to insufficient stability during the cooling period.
[0017] (2) The steel pipe is placed horizontally with its two sides located in the inner grooves of the two sets of connecting seats. The adjusting bolt is moved through both ends of the connecting seat by rotating the handwheel and pushed inward. The two sets of clamps are used to limit and fix the two ends of the steel pipe to ensure the fixation of the steel pipe itself, effectively preventing the steel pipe from rotating during processing and affecting the heating and quenching effect, improving the processing accuracy. The support frame provides strong support to the bottom of the connecting seat.
[0018] (3) The stand is equipped with an outer plate, a through groove, a limit frame, a stand, fastening bolts and a knob. The bottom of the stand is installed through the through groove. According to the opening direction of the through groove, it is pushed towards the center. Two sets of limit frames are sleeved on the outside of the outer plate to enhance the firmness between the stand and the outer plate. The fastening bolt moves through the inside of the limit frame to quickly fix the stand in the appropriate position and improve the stability of the stand. Attached Figure Description
[0019] Figure 1 This is a front view structural diagram of the present utility model;
[0020] Figure 2 This is a top view schematic diagram of the heater structure of this utility model;
[0021] Figure 3 This is a side view of the support frame structure of this utility model;
[0022] Figure 4 This is a front view structural diagram of the external plate of this utility model.
[0023] In the diagram: 1. Base; 2. Support frame; 3. Connecting seat; 4. Handwheel; 5. Clamping plate; 6. Fixing plate; 7. Heater; 8. Horizontal plate; 9. Moving seat; 10. Slide rail; 11. Electric push rod; 12. Upright frame; 13. Fastening bolt; 14. Through groove; 15. Adjusting bolt; 16. Inner groove; 17. Quenching box; 18. Fixing seat; 19. Outer plate; 20. Knob; 21. Limiting frame. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-4 A segmented seamless steel pipe quenching device includes a base 1, a fixed seat 18 fixedly connected to the front end of the top of the base 1, and a flexibly adjustable quenching component set above the base 1.
[0026] The quenching assembly includes a quenching box 17. Electric push rods 11 are fixedly connected to both sides of the bottom end of the quenching box 17. The bottom end of the electric push rods 11 is fixedly connected to the top end of the base 1. A fixing plate 6 is fixedly connected to the rear end of the top of the base 1. Slide rails 10 are fixedly connected to both sides of the front end of the fixing plate 6. The slide rails 10 are vertically arranged, and a movable seat 9 is slidably sleeved on the outside of the slide rails 10.
[0027] Two sets of movable seats 9 are provided, and the inner sidewall of movable seats 9 is fixedly connected to the sidewall of quenching box 17.
[0028] Support frames 2 are fixedly connected to both sides of the top of the base 1, and connecting seats 3 are fixedly connected to the top of the support frames 2;
[0029] Specifically, such as Figure 1 and Figure 2 As shown, during use, the movable seat 9 is slidably sleeved on the outside of the corresponding slide rail 10. After the electric push rod 11 is run, it pushes the quenching box 17 fixed at the top to a suitable height. The quenching medium is poured into the quenching box 17, which can quickly cool the bottom of the heated steel pipe, prevent grain growth, and thus obtain high hardness and wear resistance.
[0030] The top of the connecting seat 3 is recessed inward and has an inner groove 16. Adjusting bolts 15 are provided through the front and rear ends of the connecting seat 3.
[0031] A handwheel 4 is fixedly connected to the outer end of the adjusting bolt 15, and a clamping plate 5 is movably connected to the inner end of the adjusting bolt 15.
[0032] Specifically, such as Figure 1 and Figure 3 As shown, when in use, the steel pipe is placed horizontally with its two sides fitting into the inner grooves 16 of the two sets of connecting seats 3. After the handwheel 4 is turned, the adjusting bolt 15 is moved towards the center until the two sets of clamps 5 limit and fix the two ends of the steel pipe to ensure the stability of the steel pipe.
[0033] An outer plate 19 is fixedly connected to the outer end of the fixed base 18. A through groove 14 is provided on the top of the outer plate 19, and a stand 12 is slidably installed inside the through groove 14.
[0034] Limiting frames 21 are fixedly connected to both sides of the bottom of the upright frame 12. The limiting frames 21 are sleeved on the outside of the outer plate 19. Fastening bolts 13 are horizontally inserted through the side wall of the limiting frame 21. A knob 20 is fixedly connected to the left side of the fastening bolt 13, and the right side of the fastening bolt 13 penetrates the inside of the outer plate 19.
[0035] A horizontal plate 8 is fixedly connected to the top of the rear end of the upright frame 12 by a fastener, and multiple sets of heaters 7 are fixedly connected to the rear end of the horizontal plate 8.
[0036] Specifically, such as Figure 1 and Figure 4 As shown, when in use, the bottom of the upright frame 12 is inserted into the through groove 14, and the limiting frames 21 fixed on both sides are sleeved on the outside of the outer plate 19. Push the upright frame 12 inward to the appropriate position, and after turning the knob 20, the fastening bolts 13 will pass through the inside of the limiting frame 21 and the outer plate 19 in sequence to ensure that the upright frame 12 is fixed in the current position.
[0037] Working principle: When using this utility model, the bottom of the upright frame 12 is inserted into the through groove 14, and the limiting frames 21 fixed on both sides are sleeved on the outside of the outer plate 19. Push the upright frame 12 inward to the appropriate position, and after turning the knob 20, the fastening bolts 13 pass through the inside of the limiting frames 21 and the outer plate 19 in sequence. The steel pipe is placed horizontally, and its two sides are attached to the inner grooves 16 of the two sets of connecting seats 3. After the handwheel 4 is turned, the adjusting bolts 15 are moved towards the center until the two sets of clamps 5 limit and fix the two ends of the steel pipe. The steel pipe is located below the heater 7. After the heater 7 is running, it can heat the surface of the steel pipe. After heating, the steel pipe is rotated, and the moving seat 9 is slidably sleeved on the outside of the corresponding slide rail 10. After the electric push rod 11 is running, it pushes the quenching box 17 fixed at the top to the appropriate height. The quenching medium is poured into the quenching box 17, which can quickly cool the bottom of the heated steel pipe.
[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A segmented seamless steel pipe quenching device, comprising a base (1), characterized in that: A fixed seat (18) is fixedly connected to the front end of the top of the base (1), and a flexibly adjustable quenching component is provided above the base (1). The quenching assembly includes a quenching box (17), with electric push rods (11) fixedly connected to both sides of the bottom end of the quenching box (17). The bottom end of the electric push rods (11) is fixedly connected to the top end of the base (1). A fixing plate (6) is fixedly connected to the rear end of the top of the base (1). Slide rails (10) are fixedly connected to both sides of the front end of the fixing plate (6). The slide rails (10) are vertically arranged, and a movable seat (9) is slidably sleeved on the outside of the slide rails (10).
2. The segmented seamless steel pipe quenching device according to claim 1, characterized in that: Two sets of movable seats (9) are provided, and the inner sidewall of the movable seat (9) is fixedly connected to the sidewall of the quenching box (17).
3. The segmented seamless steel pipe quenching device according to claim 1, characterized in that: Support frames (2) are fixedly connected to both sides of the top of the base (1), and a connecting seat (3) is fixedly connected to the top of the support frame (2).
4. The segmented seamless steel pipe quenching device according to claim 3, characterized in that: The top of the connecting seat (3) is recessed inward and has an inner groove (16). Adjusting bolts (15) are provided through the front and rear ends of the connecting seat (3).
5. The segmented seamless steel pipe quenching device according to claim 4, characterized in that: The outer end of the adjusting bolt (15) is fixedly connected to a handwheel (4), and the inner end of the adjusting bolt (15) is movably connected to a clamp (5).
6. The segmented seamless steel pipe quenching device according to claim 1, characterized in that: An outer plate (19) is fixedly connected to the outer end of the fixed base (18). A through groove (14) is provided on the top of the outer plate (19), and a stand (12) is slidably installed inside the through groove (14).
7. The segmented seamless steel pipe quenching device according to claim 6, characterized in that: Limiting frames (21) are fixedly connected to both sides of the bottom of the upright frame (12). The limiting frames (21) are sleeved on the outside of the outer plate (19). Fastening bolts (13) are horizontally inserted through the side wall of the limiting frames (21). A knob (20) is fixedly connected to the left side of the fastening bolts (13), and the right side of the fastening bolts (13) penetrates the inside of the outer plate (19).
8. The segmented seamless steel pipe quenching device according to claim 6, characterized in that: A horizontal plate (8) is fixedly connected to the top of the rear end of the upright frame (12) by a fastener, and multiple sets of heaters (7) are fixedly connected to the rear end of the horizontal plate (8).