Large steel member welding heat preservation device

Abstract

The utility model discloses a large steel member welding heat preservation device, which relates to the technical field of steel member welding and comprises a bottom plate and a shell, the shell is fixedly arranged on the upper surface of the bottom plate, a hydraulic cylinder is fixedly arranged at the top of the shell, and the tail end of a piston rod of the hydraulic cylinder extends into the shell. A movable plate is fixedly arranged at the tail end of a piston rod of the hydraulic cylinder, and a heating rod is fixedly arranged on the lower surface of the movable plate. The device comprises a shell, through grooves are formed in the two sides of the shell, two placement shells are slidably arranged in the through grooves, the sides, close to each other, of the two placement shells are fixedly connected, a connecting plate is fixedly arranged at one end of the outer side of the placement shell on one side, and a movable ring is fixedly arranged at the upper end of the connecting plate; a transverse plate is fixedly arranged on the outer wall of the shell and located on the upper side of the movable ring. According to the utility model, when a new steel member is put in, the steel member needing to be replaced can be taken out, so that the time wasted by material replacement is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel component welding, in particular to a large steel component welding heat preservation device. Background Art

[0002] In order to prevent the product temperature from dropping too quickly after welding and causing hydrogen embrittlement, that is, forming small cracks inside the product, causing the product's plasticity to decrease, cracking or damage, the current welding insulation device for medium and low alloy steel products mainly uses expanded perlite insulation. In addition, there are other insulation methods such as asbestos cloth wrapping insulation and electric furnace insulation.

[0003] Among them, announcement number CN216370775 discloses a welding insulation device for welding large steel components, including a base, a semicircular sealed chamber is fixedly connected to one side of the top of the base, a first opening is provided on one side of the semicircular sealed chamber, and an arc-shaped sealing plate is provided on the top of the semicircular sealed chamber, and the arc-shaped sealing plate is fitted with the semicircular sealed chamber. There are still defects in this technical solution:

[0004] In this technical solution, when replacing steel components, the steel components placed in the device need to be taken out first, and then new steel components can be placed in the device. A lot of time will be wasted during the replacement, which will reduce work efficiency. Utility Model Content

[0005] In view of the above problems existing in the existing welding heat insulation devices for welding large steel components, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a welding insulation device for large steel components, which solves the problem that in the welding insulation device used for welding large steel components in the prior art, when changing the steel components, the steel components placed in the device need to be taken out first, and then the new steel components can be placed in the device, which wastes a lot of time during the material change and reduces work efficiency.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A large steel structure welding heat preservation device comprises a bottom plate and a shell, wherein the shell is fixedly arranged on the upper surface of the bottom plate, a hydraulic cylinder is fixedly arranged on the top of the shell, the piston rod end of the hydraulic cylinder extends into the inside of the shell, a movable plate is fixedly arranged on the piston rod end of the hydraulic cylinder, and a heating rod is fixedly arranged on the lower surface of the movable plate;

[0009] Through grooves are provided on both sides of the shell, and two placement shells are slidably arranged inside the through grooves. The two placement shells are fixedly connected on the sides close to each other, and a connecting plate is fixedly arranged on the outer end of one of the placement shells, and a movable ring is fixedly arranged on the upper end of the connecting plate. A cross plate is fixedly arranged on the outer wall of the shell and on the upper side of the movable ring, and a transmission mechanism for driving the movable ring to move is arranged on the lower side of the cross plate.

[0010] Preferably, the transmission mechanism includes a turntable and a round pin, a turntable is rotatably provided with a turntable rod in the middle part of the lower surface of the horizontal plate, the turntable is fixedly sleeved on the lower end of the turntable rod, the round pin is eccentrically provided on one side of the lower surface of the turntable, one end of the round pin extends to the inner side of the movable ring, a motor is fixedly provided on the upper surface of the horizontal plate, and the output end of the motor is fixedly connected to one end of the turntable rod.

[0011] Preferably, a fixing plate is fixedly provided on the upper surface of the bottom plate and on both sides of the shell, and a plurality of guide rollers are rollingly embedded on the upper surface of the fixing plate.

[0012] Preferably, the longitudinal sections of the placement shell and the through slot are both rectangular.

[0013] Preferably, the plurality of guide rollers are all wear-resistant steel rollers.

[0014] Preferably, the motor is a reduction motor.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] The utility model places the steel component that needs to be insulated in the outer placement shell, and then the motor drives the turntable to rotate, so that the round pin rotates with the rotating rod as the axis. During this period, the round pin drives the movable ring to move, that is, the connecting plate pushes the outer placement shell, and the outer placement shell enters the shell, so that the heating rod is aligned with the internal steel component for insulation. At the same time, the inner placement shell is pushed out of the shell, which is convenient for taking out the steel component inside. That is, the steel component that needs to be replaced can be taken out while the new steel component is put in, thereby reducing the time wasted in changing materials and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 This is a structural schematic diagram of a large steel component welding insulation device proposed by the utility model;

[0019] Figure 2 for Figure 1 A three-dimensional diagram of the middle movable ring;

[0020] Figure 3 for Figure 1 A three-dimensional diagram of the connection structure between the middle fixed plate and the guide roller.

[0021] Description of reference numerals:

[0022] 1. Bottom plate; 2. Shell; 3. Guide roller; 4. Movable plate; 5. Hydraulic cylinder; 6. Heating rod; 7. Placement shell; 8. Connecting plate; 9. Movable ring; 10. Cross plate; 11. Rotating rod; 12. Motor; 13. Turntable; 14. Round pin; 15. Fixed plate. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a large steel component welding heat preservation device.

[0025] Embodiment 1

[0026] Reference Figure 1-3 A large steel structure welding insulation device comprises a bottom plate 1 and a shell 2, the shell 2 is fixedly arranged on the upper surface of the bottom plate 1, a hydraulic cylinder 5 is fixedly arranged on the top of the shell 2, the piston rod end of the hydraulic cylinder 5 extends to the inside of the shell 2, a movable plate 4 is fixedly arranged on the piston rod end of the hydraulic cylinder 5, and a heating rod 6 is fixedly arranged on the lower surface of the movable plate 4;

[0027] Through grooves are provided on both sides of the shell 2, and two placement shells 7 are slidably arranged inside the through grooves. The longitudinal sections of the placement shells 7 and the through grooves are both rectangular, so that the placement shells 7 can slide stably. The two placement shells 7 are fixedly connected on the side close to each other, and a connecting plate 8 is fixedly provided on one end of the outer side of the placement shell 7 on one side, and a movable ring 9 is fixedly provided on the upper end of the connecting plate 8. A cross plate 10 is fixedly provided on the outer wall of the shell 2 and on the upper side of the movable ring 9.

[0028] Embodiment 2

[0029] Reference Figure 1-3 A transmission mechanism for driving the movable ring 9 to move is arranged on the lower side of the horizontal plate 10, and the transmission mechanism includes a turntable 13 and a round pin 14. A rotating rod 11 is rotatably arranged in the middle part of the lower surface of the horizontal plate 10, and the turntable 13 is fixedly sleeved on the lower end of the rotating rod 11. The round pin 14 is eccentrically arranged on one side of the lower surface of the turntable 13, and one end of the round pin 14 extends to the inner side of the movable ring 9. A motor 12 is fixedly arranged on the upper surface of the horizontal plate 10, and the output end of the motor 12 is fixedly connected to one end of the rotating rod 11. The motor 12 is a reduction motor, which can provide a large and stable transmission force.

[0030] Embodiment 3

[0031] Reference Figure 1-3 A fixing plate 15 is fixedly provided on the upper surface of the bottom plate 1 and on both sides of the shell 2. A plurality of guide rollers 3 are rollingly embedded on the upper surface of the fixing plate 15 to facilitate smooth sliding of the placement shell 7. The plurality of guide rollers 3 are all wear-resistant steel rollers, which improves the service life of the guide rollers 3.

[0032] In the utility model, when in use, the steel component that needs to be insulated is placed in the outer placement shell 7, and then the motor 12 drives the turntable 13 to rotate, so that the round pin 14 rotates with the rotating rod 11 as the axis. During this period, the round pin 14 will drive the movable ring 9 to move, that is, the connecting plate 8 pushes the outer placement shell 7, and the outer placement shell 7 enters the shell 2, so that the heating rod 6 is aligned with the internal steel component for insulation. At the same time, the inner placement shell 7 is pushed out of the shell 2, which is convenient for taking out the steel component inside. That is, the steel component that needs to be replaced can be taken out while the new steel component is put in, thereby reducing the time wasted in changing materials and improving work efficiency.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A large steel structure welding insulation device, comprising a base plate (1) and a shell (2), characterized in that: The shell (2) is fixedly arranged on the upper surface of the bottom plate (1), a hydraulic cylinder (5) is fixedly arranged on the top of the shell (2), the end of the piston rod of the hydraulic cylinder (5) extends into the interior of the shell (2), a movable plate (4) is fixedly arranged on the end of the piston rod of the hydraulic cylinder (5), and a heating rod (6) is fixedly arranged on the lower surface of the movable plate (4); Through grooves are provided on both sides of the shell (2), and two placement shells (7) are slidably arranged inside the through grooves. The two placement shells (7) are fixedly connected on the sides close to each other, and a connecting plate (8) is fixedly arranged on the outer end of one side of the placement shell (7). A movable ring (9) is fixedly arranged on the upper end of the connecting plate (8). A transverse plate (10) is fixedly arranged on the outer wall of the shell (2) and located on the upper side of the movable ring (9), and a transmission mechanism for driving the movable ring (9) to move is arranged on the lower side of the transverse plate (10).

2. The large steel structure welding insulation device according to claim 1 is characterized in that: The transmission mechanism comprises a rotating disk (13) and a round pin (14); a rotating rod (11) is rotatably arranged in the middle of the lower surface of the horizontal plate (10); the rotating disk (13) is fixedly sleeved on the lower end of the rotating rod (11); the round pin (14) is eccentrically arranged on one side of the lower surface of the rotating disk (13); one end of the round pin (14) extends to the inner side of the movable ring (9); a motor (12) is fixedly arranged on the upper surface of the horizontal plate (10); and the output end of the motor (12) is fixedly connected to one end of the rotating rod (11).

3. The large steel structure welding insulation device according to claim 1 is characterized in that: A fixing plate (15) is fixedly arranged on the upper surface of the bottom plate (1) and on both sides of the shell (2), and a plurality of guide rollers (3) are rollingly embedded on the upper surface of the fixing plate (15).

4. The large steel structure welding insulation device according to claim 1 is characterized in that: The longitudinal sections of the placement shell (7) and the through groove are both rectangular.

5. The large steel structure welding insulation device according to claim 3 is characterized in that: The plurality of guide rollers (3) are all wear-resistant steel rollers.

6. The large steel structure welding insulation device according to claim 2, characterized in that: The motor (12) is a reduction motor.

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