Straightener for internal parts of reactor
By combining a V-shaped clamping groove design with an electric push rod and a geared motor, the automated and uniform clamping and rolling straightening of round tubes is achieved, solving the problem of low straightening efficiency of existing equipment, improving versatility and reducing manual labor intensity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-06
AI Technical Summary
Existing straightening equipment cannot straighten round pipes evenly, resulting in low straightening efficiency and an inability to adapt to round pipes of different diameters, which increases the intensity of manual labor.
The V-shaped clamping groove design combines rotation and movement with an electric push rod and a geared motor to achieve automated clamping and rolling straightening, adapting to round tubes of different diameters.
It improves straightening efficiency, reduces frictional resistance, increases the versatility of the equipment, and reduces the intensity of manual labor.
Smart Images

Figure CN223970650U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of straightening, specifically a reactor internals straightening device. Background Technology
[0002] In industries such as chemical, petroleum, and pharmaceutical, reactors are one of the core pieces of equipment. With the continuous advancement of production technology, the requirements for the manufacturing precision and performance of reactor internals, such as circular tubes, are increasing. However, welded components such as circular tubes often suffer from deformation, which can affect the overall performance and operating efficiency of the reactor.
[0003] Current straightening equipment cannot evenly straighten round tubes, requiring multiple adjustments to the angle and position of the tubes, resulting in low straightening efficiency. Utility Model Content
[0004] To overcome the above-mentioned shortcomings, this utility model provides a reactor internals straightener.
[0005] The technical solution adopted by this utility model is as follows:
[0006] A reactor internal straightener includes a base, a fixed frame fixedly connected to the top left side of the base, the fixed frame being U-shaped, a fixed clamping block fixedly connected to the top inner side of the fixed frame, an electric push rod on the bottom inner side of the fixed frame, the bottom outer wall of the electric push rod fixedly connected to the top of the base, the output shaft of the electric push rod fixedly connected to the connecting shaft, and a movable clamping block fixedly connected to the top of the connecting shaft, the movable clamping block slidingly engaging with the front and rear inner walls of the fixed frame, a clamping groove being formed at the top of the movable clamping block and the bottom of the fixed clamping block, the clamping groove being V-shaped, the two clamping grooves being symmetrical, and several mounting grooves being formed on the two inclined surfaces of the clamping groove, the mounting grooves being evenly distributed, and a roller being provided in the mounting groove, the two ends of the roller being connected to the mounting plate. The inner walls of both ends of the mounting groove are rotatably connected, the outer wall of the roller is slidably engaged with the mounting groove, a through groove is opened on the side wall of the base, a sliding groove is set on the upper part of the base, the sliding groove is connected with the through groove, a slider is in the through groove, the slider is slidably engaged with the through groove, a support column is fixedly connected to the top of the slider, the support column passes through the sliding groove, the support column is slidably connected with the sliding groove, a reduction motor is fixedly connected to the top of the support column, a rotating clamp is fixedly installed on the left end of the output shaft of the reduction motor, a round tube is located on the left side of the rotating clamp, the left end of the round tube passes through the gap between the upper and lower clamping grooves, an electric push rod is fixedly connected to the inside of the right end of the base, the output shaft of the electric push rod is fixedly connected to the connecting shaft, the connecting shaft extends into the through groove, and the left end of the connecting shaft is fixedly connected to the bottom of the right end of the slider.
[0007] The rotary clamp includes a turntable, a second fixed clamping block, a limiting groove, and a lead screw. The center of the right side wall of the turntable is fixedly connected to the left end of the output shaft of the geared motor. A limiting groove is formed on the left side wall of the turntable, with its top end located at the center of the left side wall and its bottom end extending downwards. The second fixed clamping block is fixedly connected to the left side wall of the turntable, positioned at the top of the top of the limiting groove. A lead screw is located inside the limiting groove, with its top and bottom ends rotatably connected to the inner top and bottom walls of the limiting groove, respectively. The bottom end of the lead screw penetrates through the outer wall of the turntable and is fixed. The connecting throttle is connected to a locking nut threaded onto the outer wall of the bottom end of the lead screw. The top of the locking nut abuts against the outer wall of the turntable. Below the fixed clamping block two, there is a movable clamping block two. The right side wall of the movable clamping block two is fixedly connected to a limiting block. The limiting block is located in the limiting groove and slides with the limiting groove. A connecting hole is opened at the top of the limiting block. The lead screw passes through the connecting hole and is threaded with the connecting hole. The opposite side walls of the fixed clamping block two and the movable clamping block two are both opened with clamping groove two. The clamping groove two is V-shaped. The two clamping groove two are symmetrical. The shape of the clamping groove two is the same as the shape of the clamping groove one.
[0008] The beneficial effects of this utility model are:
[0009] This invention combines rotation and movement, allowing the round tube to roll along the roller while being evenly clamped, effectively reducing frictional resistance and improving straightening efficiency.
[0010] The design of V-shaped clamping groove one and clamping groove two can accommodate round pipes of different diameters, increasing the versatility of the equipment.
[0011] The use of electric linear actuators and geared motors enables automated operation and reduces manual labor intensity. Meanwhile, the lead screw adjustment mechanism makes the clamping process simple and quick. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 yes Figure 1 A sectional view;
[0014] Figure 3 This is a structural schematic diagram of the fixing frame of this utility model;
[0015] Figure 4 This is a schematic diagram of the structure of the movable clamping block of this utility model;
[0016] Figure 5 This is a structural schematic diagram of the fixing clamp of this utility model;
[0017] Figure 6 This is a schematic diagram of the structure of the rotary clamp of this utility model.
[0018] The reference numerals in all the attached drawings are as follows: 1. Base; 2. Fixing frame; 3. Fixing clamp one; 4. Electric push rod one; 5. Connecting shaft one; 6. Moving clamp one; 7. Clamping groove one; 8. Mounting groove; 9. Roller; 10. Through groove; 11. Slider; 12. Support column; 13. Gear motor; 14. Turntable; 15. Fixing clamp two; 16. Limiting groove; 17. Lead screw; 18. Rotary handle; 19. Locking nut; 20. Moving clamp two; 21. Limiting block; 22. Connecting hole; 23. Clamping groove two; 24. Electric push rod two; 25. Connecting shaft two; 26. Round tube; 27. Slide groove. Detailed Implementation
[0019] like Figure 1-6 As shown: A reactor internal straightener includes a base 1, a fixed frame 2 fixedly connected to the top left side of the base 1, the fixed frame 2 being U-shaped, a fixed clamping block 3 fixedly connected to the top inner side of the fixed frame 2, an electric push rod 4 having an outer wall bottom fixedly connected to the top of the base 1, the output shaft of the electric push rod 4 being fixedly connected to a connecting shaft 5, and a movable clamping block 6 fixedly connected to the top of the connecting shaft 5, the movable clamping block 6 slidingly engaging with the front and rear inner walls of the fixed frame 2, the top of the movable clamping block 6 and the bottom of the fixed clamping block 3 both having clamping grooves 7, the clamping grooves 7 being V-shaped, the two clamping grooves 7 being symmetrical, and several mounting grooves 8 evenly distributed on the two inclined surfaces of the clamping grooves 7, each mounting groove 8 having a roller 9, the two ends of the roller 9 being rotatably connected to the inner walls of the two ends of the mounting groove 8. The outer wall of the cylinder 9 slides into the mounting groove 8. The side wall of the base 1 has a through groove 10. The upper part of the base 1 has a sliding groove 27, which communicates with the through groove 10. The through groove 10 contains a slider 11, which slides into the through groove 10. The top of the slider 11 is fixedly connected to a support column 12, which passes through the sliding groove 27. The support column 12 and the sliding groove 27 are slidably connected. The top of the support column 12 is fixedly connected to a reduction motor 13. The left end of the output shaft of the reduction motor 13 is fixedly installed with a rotating clamp. The round tube 26 is located on the left side of the rotating clamp. The left end of the round tube 26 passes between the upper and lower clamping grooves 7. The right end of the base 1 is fixedly connected to an electric push rod 24. The output shaft of the electric push rod 24 is fixedly connected to a connecting shaft 25. The connecting shaft 25 extends into the through groove 10. The left end of the connecting shaft 25 is fixedly connected to the bottom right end of the slider 11.
[0020] The rotary clamp includes a turntable 14, a second fixed clamping block 15, a limiting groove 16, and a lead screw 17. The center of the right side wall of the turntable 14 is fixedly connected to the left end of the output shaft of the geared motor 13. The limiting groove 16 is formed on the left side wall of the turntable 14, with the top of the limiting groove 16 located at the center of the left side wall of the turntable 14 and the bottom of the limiting groove 16 extending downward. The second fixed clamping block 15 is fixedly connected to the left side wall of the turntable 14, and the second fixed clamping block 15 is located at the top of the top of the limiting groove 16. The limiting groove 16 contains a lead screw 17, with the top and bottom ends of the lead screw 17 rotatably connected to the inner top wall and inner bottom wall of the limiting groove 16, respectively. The bottom end of the lead screw 17 extends through the outer wall of the turntable 14 and is fixedly connected to a throttle handle. 18. A locking nut 19 is threaded onto the outer wall of the bottom end of the lead screw 17. The top of the locking nut 19 abuts against the outer wall of the turntable 14. Below the fixed clamping block 15, there is a movable clamping block 20. The right side wall of the movable clamping block 20 is fixedly connected to a limiting block 21. The limiting block 21 is located in the limiting groove 16. The limiting block 21 and the limiting groove 16 are slidably engaged. A connecting hole 22 is opened at the top of the limiting block 21. The lead screw 17 passes through the connecting hole 22 and is threadedly engaged with the connecting hole 22. The opposite side walls of the fixed clamping block 15 and the movable clamping block 20 are both provided with clamping grooves 23. The clamping grooves 23 are V-shaped and the two clamping grooves 23 are symmetrical. The shape of the clamping grooves 23 is the same as the shape of the clamping groove 7.
[0021] The welded round tube 26 is placed on a rotating clamp driven by a geared motor 13. The turntable 14 serves as the main body, and a fixed clamping block 15 and a movable clamping block 20 are provided on the left side of the turntable.
[0022] Adjust the position of the movable clamping block 20, and rotate the screw 17 by rotating the handle 18. The screw 17 is threadedly connected to the limit block 21, so that the movable clamping block 20 moves toward the fixed clamping block 25 until the two clamp the round tube 26. The locking nut 19 is used to fix the position of the screw 17 to prevent the movable clamping block 20 from loosening.
[0023] One end of the round tube 26 is held by a rotating clamp, and the other end passes through the two V-shaped grooves 7 in the fixed frame 2.
[0024] Start the electric push rod 4, whose output shaft pushes the connecting shaft 5 and the movable clamping block 6, so that the movable clamping block 6 slides along the inner wall of the fixed frame 2 until it clamps the other end of the round tube 26 together with the fixed clamping block 3.
[0025] Start the geared motor 13 to drive the turntable 14 and the round tube 26 to rotate. At the same time, start the electric push rod 24. Its output shaft pushes the slider 11 to slide in the through groove 10 through the connecting shaft 25. The slider 11 drives the support column 12, the geared motor 13 and the round tube 26 on the rotating fixture to move to the left.
[0026] During the movement, the circular tube 26 is constrained by the V-shaped groove 7 of the fixed clamping block 3 and the moving clamping block 6, as well as supported by the rolling of the roller 9, and gradually straightens.
[0027] When the round tube 26 has completely passed through the fixed clamping block 3 and the movable clamping block 6 and has reached the required straightness, the reduction motor 13 and the electric push rod 24 are stopped.
[0028] Adjust the rotating clamp, release the round tube 26, and complete the straightening process.
[0029] This utility model only protects the mechanical parts; the functions implemented by the software control part are not within the scope of protection of this utility model.
Claims
1. A reactor internals straightener characterized by, Includes a base (1), a fixing frame (2) fixedly connected to the top left side of the base (1), the fixing frame (2) is U-shaped, a fixing clamp (3) fixedly connected to the top inner side of the fixing frame (2), an electric push rod (4) is provided on the bottom inner side of the fixing frame (2), the bottom outer wall of the electric push rod (4) is fixedly connected to the top of the base (1), the output shaft of the electric push rod (4) is fixedly connected to the connecting shaft (5), and a moving clamp (6) is fixedly connected to the top of the connecting shaft (5). The movable clamping block (6) slides against the inner walls of the front and rear sides of the fixed frame (2). The top of the movable clamping block (6) and the bottom of the fixed clamping block (3) are both provided with clamping grooves (7). The clamping grooves (7) are V-shaped and symmetrical. Several mounting grooves (8) are provided on the two inclined surfaces of the clamping grooves (7). The mounting grooves (8) are evenly distributed. There is a roller (9) in the mounting groove (8). The two ends of the roller (9) are rotatably connected to the inner walls of the two ends of the mounting groove (8). The outer wall of the roller (9) is connected to the mounting groove. (8) Sliding fit: A through groove (10) is opened on the side wall of the base (1), and a sliding groove (27) is provided on the upper part of the base (1). The sliding groove (27) communicates with the through groove (10). A slider (11) is provided in the through groove (10). The slider (11) is slidably fitted with the through groove (10). A support column (12) is fixedly connected to the top of the slider (11). The support column (12) passes through the sliding groove (27). The support column (12) is slidably connected to the sliding groove (27). A deceleration device is fixedly connected to the top of the support column (12). A rotating clamp is fixedly installed on the left end of the output shaft of the motor (13) and the geared motor (13). The round tube (26) is located on the left side of the rotating clamp. The left end of the round tube (26) passes through the upper and lower clamping grooves (7). The electric push rod (24) is fixedly connected to the right end of the base (1). The output shaft of the electric push rod (24) is fixedly connected to the connecting shaft (25). The connecting shaft (25) extends into the through groove (10). The left end of the connecting shaft (25) is fixedly connected to the bottom right end of the slider (11).
2. A reactor internals straightener according to claim 1, wherein, The rotating clamp comprises a rotating disc (14), a fixed clamp block two (15), a limiting groove (16) and a lead screw (17), the right side wall center of the rotating disc (14) is fixedly connected with the left end of the output shaft of a speed reducer (13), the left side wall of the rotating disc (14) is provided with the limiting groove (16), the top end of the limiting groove (16) is located at the center of the left side wall of the rotating disc (14), the bottom end of the limiting groove (16) extends downward, the left side wall of the rotating disc (14) is fixedly connected with the fixed clamp block two (15), the fixed clamp block two (15) is located at the top of the top end of the limiting groove (16), the limiting groove (16) is provided with the lead screw (17), the top end and the bottom end of the lead screw (17) are rotationally connected with the inner top wall and the inner bottom wall of the limiting groove (16) respectively, the bottom end of the lead screw (17) penetrates out of the outer wall of the rotating disc (14), the bottom end of the lead screw (17) is fixedly connected with a rotating handle (18), the bottom end outer wall of the lead screw (17) is threadedly sleeved with a locking nut (19), the top of the locking nut (19) abuts against the outer wall of the rotating disc (14), the fixed clamp block two (15) is provided below with a movable clamp block two (20), the right side wall of the movable clamp block two (20) is fixedly connected with a limiting block (21), the limiting block (21) is located in the limiting groove (16), the limiting block (21) is in sliding fit with the limiting groove (16), the top of the limiting block (21) is provided with a connecting hole (22), the lead screw (17) penetrates through the connecting hole (22), the lead screw (17) is in threaded fit with the connecting hole (22), the opposite side walls of the fixed clamp block two (15) and the movable clamp block two (20) are both provided with clamp grooves two (23), the clamp grooves two (23) are V-shaped, the two clamp grooves two (23) are symmetrical, the shape of the clamp grooves two (23) is consistent with the shape of the clamp groove one (7).