Split type heating device for heat treatment of welded junction of pressure pipeline

Abstract

The utility model relates to the technical field of pressure pipeline welded junction heat treatment, and discloses a split type heating device for pressure pipeline welded junction heat treatment, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned at the outer end of the main body mechanism, and the main body mechanism comprises a machine body, a split type explosion door body, a clamping assembly and a heat treatment assembly. According to the split type heating device for heat treatment of the welded junction of the pressure pipeline, a main body mechanism is installed, a user places the pressure pipeline between a first clamp and a second clamp, a first electric push rod and a second electric push rod push the first clamp and the second clamp to move in the opposite directions correspondingly, the pressure pipeline is extruded, and clamping and fixing of the pressure pipeline are achieved; a servo motor is started to drive a ball screw to rotate, so that a ball nut and a welding gun move front and back, an argon gas tank supplies gas to the welding gun, the welding gun can conduct heat treatment on a welded junction, a visual sensor is installed so that a user can conveniently conduct deviation correction on the welding position of a pipeline, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment of pressure pipeline welds, in particular to a split-type heating device used for heat treatment of pressure pipeline welds. Background Art

[0002] Pressure pipeline refers to tubular equipment used to transport gas or liquid under a certain pressure. Its scope is defined as gas, liquefied gas, steam medium with a maximum working pressure greater than or equal to 0.1MPa (gauge pressure), or flammable, explosive, toxic, corrosive liquid medium with a maximum working temperature higher than or equal to the standard boiling point, and the nominal diameter is greater than 25mm.

[0003] The existing patent CN215846210U pipeline circumferential seam welding preheating device is proposed in the document. The utility model includes two semicircular air distribution pipes, both ends of which are sealing structures. One end of the two semicircular air distribution pipes is movably connected by a hinge, and the other end is connected by a locking device, and is annular when closed; an air intake pipe is fixedly provided in the middle position of the rear side of each air distribution pipe, and four evenly distributed right-angle ducts are fixedly provided on the front side of the pipe body, and the air intake pipe and the four right-angle ducts are connected to the air distribution pipe; the free end of each right-angle duct is connected to a flame nozzle; four support wheel frames are evenly distributed on the annular structure formed by the closure of the two air distribution pipes, and the support wheel frames are located on the inner side of the annular structure, and each support wheel frame is located between a group of right-angle ducts. The utility model is simple to manufacture, low in cost, simple to use, and highly efficient; it enables the pressure pipeline weld to be evenly heated and reduces the generation of delayed cracks.

[0004] However, although the existing patent CN215846210U is simple to manufacture, low in cost, easy to use and highly efficient, and enables the pressure pipe weld to be evenly heated and reduce the occurrence of delayed cracks, when the device performs heat treatment on the pipe weld, the original position of the pipe may be offset by the impact of heat, which may lead to poor heat treatment of the weld. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a split-type heating device for heat treatment of pressure pipe welds, so as to solve the problem mentioned in the above background technology that when the device performs heat treatment on the pipe weld, the original position of the pipe may be shifted due to the impact of heat, which may lead to poor heat treatment of the weld.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a split-type heating device for heat treatment of pressure pipe welds, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located at the outer end of the main mechanism, and the main mechanism comprises a body, a split-type explosion-proof door body, a clamping assembly and a heat treatment assembly, wherein the split-type explosion-proof door body is movably mounted at the outer end of the body, the clamping assembly is movably mounted at the inner end of the body, and the heat treatment assembly is movably mounted inside the body; the clamping assembly comprises an electric push rod 1, a clamp 1 and an electric push rod 2, wherein the electric push rod 1 is movably mounted at the right end of the inner end of the body, the clamp 1 is movably mounted at the left end of the electric push rod 1, and the electric push rod 2 is movably mounted on the left side of the clamp 1.

[0009] Preferably, the clamping assembly also includes a second clamp, a visual sensor and a control panel, wherein the second clamp is movably mounted on the right end of the second electric push rod, the visual sensor is fixedly mounted on the upper end of the inner end of the machine body, and the control panel is fixedly mounted on the left side of the machine body. The control panel signal is connected to the visual sensor, and the user places the pressure pipe in the middle of the first clamp and the second clamp, and the first electric push rod and the second electric push rod respectively push the first clamp and the second clamp to move toward each other, thereby squeezing the pressure pipe and clamping and fixing the pressure pipe.

[0010] Preferably, the heat treatment assembly includes a servo motor, a ball screw, a ball nut, a welding gun, a gas valve and an argon tank. The servo motor is fixedly installed inside the machine body. The user places the pressure pipe in the middle of clamp one and clamp two. Electric push rod one and electric push rod two respectively push clamp one and clamp two to move toward each other, squeeze the pressure pipe, and achieve clamping and fixing of the pressure pipe.

[0011] Preferably, the ball screw is movably mounted on the transmission end of the servo motor, the ball nut is movably mounted on the outer end of the ball screw, the welding gun is fixedly mounted on the upper end of the ball nut, the gas valve is fixedly mounted below the welding gun, and the argon tank is fixedly mounted below the gas valve. The argon tank supplies gas to the welding gun. When the welding gun is aligned with the weld, it can be heat treated. The installation of the visual sensor facilitates the user to correct the welding position of the pipeline, effectively improving the practicability of the device.

[0012] Preferably, the auxiliary mechanism includes a base, a support frame, universal wheels, a brake plate, an inspection cover and a heat dissipation window. The base is fixedly mounted on the lower end of the body, and the flexible movement of the device is achieved through the movable connection between the support frame and the universal wheels.

[0013] Preferably, the support frame is fixedly mounted on the lower end of the base, the universal wheel is movably mounted on the lower end of the support frame, the brake plate is movably mounted on the outside of the universal wheel, the inspection cover is movably mounted on the outer end of the machine body, and the heat dissipation window is fixedly mounted on the left side of the machine body. The installation of the brake plate facilitates fixing the position of the device, and the setting of the heat dissipation window facilitates the heat dissipation inside the machine body, thereby effectively improving the safety of the device.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The split-type heating device for heat treatment of pressure pipe welds, through the installation of the main body mechanism, the user places the pressure pipe in the middle of the clamp 1 and the clamp 2, the electric push rod 1 and the electric push rod 2 respectively push the clamp 1 and the clamp 2 to move towards each other, squeeze the pressure pipe, and achieve clamping and fixing of the pressure pipe. The servo motor starts and drives the ball screw to rotate, so that the ball nut and the welding gun move forward and backward. The argon tank supplies gas to the welding gun. When the welding gun is aimed at the weld, it can be heat treated. The installation of the visual sensor facilitates the user to correct the welding position of the pipe, which effectively improves the practicality of the device;

[0016] 2. The split-type heating device for heat treatment of pressure pipe welds realizes flexible movement of the device through the installation of auxiliary mechanisms and the movable connection between the support frame and the universal wheel. The installation of the brake plate facilitates the fixation of the position of the device. The setting of the heat dissipation window facilitates the heat dissipation inside the machine body, which effectively improves the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the local structure of the clamping assembly of the utility model.

[0021] In the figure: 1. Main mechanism; 101. Machine body; 102. Double-leaf explosion-proof door body; 103. Clamping assembly; 1031. Electric push rod 1; 1032. Clamp 1; 1033. Electric push rod 2; 1034. Clamp 2; 1035. Visual sensor; 1036. Control panel; 104. Heat treatment assembly; 1041. Servo motor; 1042. Ball screw; 1043. Ball nut; 1044. Welding gun; 1045. Gas valve; 1046. Argon tank; 2. Auxiliary mechanism; 201. Base; 202. Support frame; 203. Universal wheel; 204. Brake plate; 205. Inspection cover; 206. Heat dissipation window. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4The utility model provides a technical solution: a split-type heating device for heat treatment of pressure pipe welds, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located at the outer end of the main mechanism 1, the main mechanism 1 comprises a body 101, a split-type explosion-proof door body 102, a clamping assembly 103 and a heat treatment assembly 104, the split-type explosion-proof door body 102 is movably mounted on the outer end of the body 101, the clamping assembly 103 is movably mounted on the inner end of the body 101, and the heat treatment assembly 104 is movably mounted inside the body 101; the clamping assembly 103 comprises an electric push rod 1031, a clamp 1032 and an electric push rod 2 1033, the electric push rod 1031 is movably mounted on the right end of the inner end of the body 101, the clamp 1032 is movably mounted on the left end of the electric push rod 1031, the electric push rod 2 1033 is movably mounted on the left side of the clamp 1032, the clamping assembly 103 also comprises a clamp 2 1034, a visual Sensor 1035 and control panel 1036, clamp 2 1034 is movably mounted on the right end of electric push rod 2 1033, visual sensor 1035 is fixedly mounted on the upper end of the inner end of body 101, control panel 1036 is fixedly mounted on the left side of body 101, control panel 1036 signal is connected to visual sensor 1035, heat treatment component 104 includes servo motor 1041, ball screw 1042, ball nut 1043, welding gun 1044, gas valve 1045 and argon tank 1046, servo motor 1041 is fixedly mounted inside of body 101, ball screw 1042 is movably mounted on the transmission end of servo motor 1041, ball nut 1043 is movably mounted on the outer end of ball screw 1042, welding gun 1044 is fixedly mounted on the upper end of ball nut 1043, gas valve 1045 is fixedly mounted below welding gun 1044, and argon tank 1046 is fixedly mounted below gas valve 1045.

[0024] The auxiliary mechanism 2 includes a base 201, a support frame 202, a universal wheel 203, a brake plate 204, an inspection cover 205 and a heat dissipation window 206. The base 201 is fixedly mounted on the lower end of the body 101, the support frame 202 is fixedly mounted on the lower end of the base 201, the universal wheel 203 is movably mounted on the lower end of the support frame 202, the brake plate 204 is movably mounted on the outside of the universal wheel 203, the inspection cover 205 is movably mounted on the outer end of the body 101, and the heat dissipation window 206 is fixedly arranged on the left side of the body 101. When using the split-type heating device for heat treatment of pressure pipe welds, the user places the pressure pipe in the middle of the clamp 1 1032 and the clamp 2 1034, and the electric push rod 1 1031 and the electric push rod 2 103 The clamp 1 1032 and the clamp 2 1034 are pushed to move toward each other respectively, the pressure pipe is squeezed, and the pressure pipe is clamped and fixed. The servo motor 1041 is started to drive the ball screw 1042 to rotate, so that the ball nut 1043 and the welding gun 1044 move forward and backward. The argon tank 1046 supplies gas to the welding gun 1044. When the welding gun 1044 is aligned with the weld, it can be heat treated. The installation of the visual sensor 1035 is convenient for the user to correct the welding position of the pipe. The flexible movement of the device is realized through the movable connection of the support frame 202 and the universal wheel 203. The installation of the brake plate 204 is convenient for fixing the position of the device. The setting of the heat dissipation window 206 is convenient for the heat dissipation inside the body 101.

[0025] Working principle: When using the split heating device for heat treatment of pressure pipe welds, the user places the pressure pipe in the middle of clamp 1 1032 and clamp 2 1034, and the electric push rod 1 1031 and the electric push rod 2 1033 respectively push the clamp 1 1032 and the clamp 2 1034 to move toward each other to squeeze the pressure pipe and clamp it. The servo motor 1041 starts to drive the ball screw 1042 to rotate, so that the ball nut 1043 and the welding gun 1044 move back and forth. The argon tank 1046 supplies gas to the welding gun 1044. When the welding gun 1044 is aligned with the weld, it can be heat treated. The installation of the visual sensor 1035 is convenient for the user to correct the welding position of the pipe. The flexible movement of the device is achieved through the movable connection between the support frame 202 and the universal wheel 203. The installation of the brake plate 204 is convenient for fixing the position of the device. The setting of the heat dissipation window 206 facilitates the heat dissipation inside the body 101.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A split-type heating device for heat treatment of pressure pipe welds, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located at the outer end of the main mechanism (1); the main mechanism (1) comprises a machine body (101), a double-opening explosion-proof door body (102), a clamping assembly (103) and a heat treatment assembly (104); the double-opening explosion-proof door body (102) is movably mounted on the outer end of the machine body (101), the clamping assembly (103) is movably mounted on the inner end of the machine body (101), and the heat treatment assembly (104) is movably mounted inside the machine body (101); The clamping assembly (103) comprises an electric push rod 1 (1031), a clamp 1 (1032) and an electric push rod 2 (1033), wherein the electric push rod 1 (1031) is movably mounted at the right end of the inner end of the body (101), the clamp 1 (1032) is movably mounted at the left end of the electric push rod 1 (1031), and the electric push rod 2 (1033) is movably mounted on the left side of the clamp 1 (1032).

2. A split-type heating device for heat treatment of pressure pipe welds according to claim 1, characterized in that: The clamping assembly (103) further comprises a second clamp (1034), a visual sensor (1035) and a control panel (1036); the second clamp (1034) is movably mounted on the right end of the second electric push rod (1033); the visual sensor (1035) is fixedly mounted on the upper end of the inner end of the machine body (101); the control panel (1036) is fixedly mounted on the left side of the machine body (101); and the control panel (1036) is signal-connected to the visual sensor (1035).

3. A split-type heating device for heat treatment of pressure pipe welds according to claim 2, characterized in that: The heat treatment component (104) comprises a servo motor (1041), a ball screw (1042), a ball nut (1043), a welding gun (1044), a gas valve (1045) and an argon gas tank (1046); the servo motor (1041) is fixedly installed inside the machine body (101).

4. The split-type heating device for heat treatment of pressure pipe welds according to claim 3 is characterized in that: The ball screw (1042) is movably mounted on the transmission end of the servo motor (1041), the ball nut (1043) is movably mounted on the outer end of the ball screw (1042), the welding gun (1044) is fixedly mounted on the upper end of the ball nut (1043), the gas valve (1045) is fixedly mounted below the welding gun (1044), and the argon gas tank (1046) is fixedly mounted below the gas valve (1045).

5. The split-type heating device for heat treatment of pressure pipe welds according to claim 4, characterized in that: The auxiliary mechanism (2) comprises a base (201), a support frame (202), universal wheels (203), a brake plate (204), an inspection cover (205) and a heat dissipation window (206); the base (201) is fixedly mounted on the lower end of the machine body (101).

6. A split-type heating device for heat treatment of pressure pipe welds according to claim 5, characterized in that: The support frame (202) is fixedly mounted on the lower end of the base (201), the universal wheel (203) is movably mounted on the lower end of the support frame (202), the brake plate (204) is movably mounted on the outside of the universal wheel (203), the inspection cover (205) is movably mounted on the outer end of the machine body (101), and the heat dissipation window (206) is fixedly arranged on the left side of the machine body (101).

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