Welding seam detection device for connecting pipe of pressure vessel

Abstract

The utility model relates to a pressure vessel connecting pipe welding seam detection device which comprises a device bottom shell, a square hole is formed in the top of the device bottom shell, moving blocks penetrate through the two sides of the interior of the square hole, an annular electric sliding rail is fixed to the ends, extending out of the square hole, of the moving blocks, and an electric sliding block is slidably connected to the inner wall of the annular electric sliding rail. According to the utility model, through the cooperation of the annular electric slide rail and the threaded rod, the detection of different positions and angles of the welding seam and the surface of the pressure vessel connecting pipe can be realized, the detection range is expanded, the detection efficiency is improved, the detection cost is reduced, and the detection efficiency is improved. Moreover, the two annularly moving detection probes simultaneously move and carry out detection, and different positions of the pressure vessel connecting pipe can be respectively detected, so that the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel pipe joint welding seam detection field, concretely is a kind of pressure vessel pipe joint welding seam detection device. BACKGROUND

[0002] When the pressure vessel pipe passes through the inside of the two annular electric sliding rails, it will also pass between the arc-shaped clamping plates at the upper and lower positions on both sides. The elastic force of the spring in the first fixed cylinder will drive the second fixed cylinder to move, which will drive the moving plate body and the arc-shaped clamping plates to clamp and support the pressure vessel pipe. During the clamping and supporting process, when the length of the pressure vessel pipe is greater than the moving distance of the annular electric sliding rail, the second motor is started, which will drive the connecting rod body to rotate, and the rotating roller will be driven to move actively by the rotating roller, thereby improving the detection range.

[0003] According to the disclosed patent 202423166610.7 pressure vessel pipe joint welding seam detection device, it comprises a bottom plate, a pipe body is movably arranged above the bottom plate; a clamping assembly, the clamping assembly comprises a clamping seat, a forward and reverse screw rod, a handle threaded rod and a clamping block; a detection assembly, the detection assembly is movably arranged on the bottom plate, and the detection assembly comprises a moving seat, a radiation source tank, a gear, a rack, a worm gear ring and a worm; the moving seat is slidably arranged on the bottom plate; the radiation source tank is fixedly arranged on the inner curved surface of the worm gear ring; the gear is fixedly arranged at the bottom of the worm; the worm gear ring and the worm are rotatably arranged in the moving seat; and the rack is fixedly installed on the bottom plate; by arranging the clamping assembly and the detection assembly, the pipe body is fixed by the clamping assembly, and the detection assembly is assisted to detect; the radiation source block is driven to surround the detection by the worm and the worm gear ring, so that the detection range is maximized.

[0004] However, in the process of use, the traditional pressure vessel pipe joint welding seam detection device adopts a single winding assembly detection method for detection when winding. This detection method requires the single winding assembly to move around different positions of the pressure vessel pipe, resulting in low detection efficiency. Moreover, the pressure vessel pipe is clamped by the clamping assembly, and the clamping length is limited. When the length of the pressure vessel pipe exceeds the distance between the two clamping assemblies, effective detection is difficult. Therefore, a new technical solution is needed to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model discloses a pressure vessel pipe welding seam detection device to overcome the prior art's insufficient, adapt to the reality needs, to solve the current traditional pressure vessel pipe welding seam detection device, adopt the detection mode of single ring around assembly and encircle the detection of when, this detection's mode, need single ring around assembly around the different position of pressure vessel pipe and move, lead to the efficiency of detection is lower, and, adopt the clamping assembly to the pressure vessel pipe and clamping, and the length of clamping is limited, when there is length more than two clamping assembly spacing's pressure vessel pipe, difficult to carry out effective detection's technical problem.

[0006] In order to realize the utility model discloses the technical scheme that the utility model discloses adopts for: design a pressure vessel pipe welding seam detection device, including device bottom shell, the device bottom shell top is equipped with square hole, both sides of square hole inside are penetrated and have moving block, the one end of moving block that stretches out square hole is fixed with annular electric slide rail, the inner wall sliding connection of annular electric slide rail has electric slide block, the surface of electric slide block is equipped with installation groove, the detection probe is installed in installation groove, the one end of moving block that stretches into device bottom shell is connected with transmission assembly.

[0007] Preferably, the transmission assembly includes a threaded rod, a threaded wall and a first motor, both ends of the threaded rod are penetrated by moving blocks, and the threaded walls on the opposite sides of the surface of the threaded wall are respectively connected with the threaded holes in the two moving blocks.

[0008] Preferably, the threaded rod is connected with the first motor at one end, and the first motor is installed on the outer side of the device bottom shell.

[0009] Preferably, the device bottom shell is installed with support rods on both sides of the top, and the device top plate is fixed on the top of the support rods.

[0010] Preferably, the device top plate and the device bottom shell are both installed with first fixed cylinders on the bottom and the top, respectively, one end of the first fixed cylinder is penetrated by a second fixed cylinder, one end of the second fixed cylinder inside the first fixed cylinder is fixed with a moving plate body, and the other end of the moving plate body is fixed with a spring.

[0011] Preferably, the one end of the second fixed cylinder that stretches out of the first fixed cylinder is fixed with an arc-shaped clamping plate, a square groove is formed on the surface of the arc-shaped clamping plate, and a first groove body and a second groove body are respectively formed on both sides of the square groove.

[0012] Preferably, the first groove body is installed with a bearing inside, one end of a connecting rod body is rotatably connected with the bearing, the other end of the connecting rod body is connected with a second motor through a rotating roller, and the second motor is installed in the second groove body, and the penetration position of the connecting rod body and the rotating roller is fixed.

[0013] Compared with the prior art, the utility model has the advantages of

[0014] 1. The utility model discloses a combination of annular electric sliding rail, electric sliding block and detection probe, which can utilize the pressure container connecting pipe to pass through two annular electric sliding rails, can utilize the annular electric sliding rail to drive the annular movement of the electric sliding block, utilize the annular movement of the detection probe to detect the different positions of the pressure container connecting pipe weld, can drive the simultaneous movement of the two annular electric sliding rails through the threaded rod, can detect the different positions and different angles of the surface of the pressure container connecting pipe, improve the detection range, since the two annular movement detection probes move simultaneously, can detect the different positions of the pressure container connecting pipe respectively, further improve the detection efficiency, solve the technical problem of the low detection efficiency of the traditional pressure container connecting pipe weld detection device which adopts the single annular assembly detection mode.

[0015] 2. The utility model discloses a combination of fixed cylinder, spring and arc clamping plate, which can utilize the spring to drive the arc clamping plate to clamp and support the pressure container connecting pipe, since the upper and lower positions of the arc clamping plate are open clamping structures, can clamp the pressure container connecting pipe of any length, and in the process of supporting the pressure container connecting pipe, can utilize the rotation of the rotating roller on the surface of the arc clamping plate to drive the pressure container connecting pipe to move in the multiple annular electric sliding rails, extend the detection range of the pressure container connecting pipe by a certain length, avoid the limited movement distance of the two annular electric sliding rails, difficult to detect the different positions of the pressure container connecting pipe longer than the square hole, improve the detection effect, solve the technical problem of the limited clamping length of the clamping assembly for the pressure container connecting pipe, when the length of the pressure container connecting pipe exceeds the distance between the two clamping assemblies, it is difficult to detect effectively. ACCURACY

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the device bottom shell internal structure schematic diagram of the utility model;

[0018] Figure 3 It is the fixed cylinder structure schematic diagram of the utility model;

[0019] Figure 4 It is the square groove structure schematic diagram of the utility model.

[0020] In the diagram: 1. Bottom shell of the device; 101. Square hole; 2. First motor; 201. Moving block; 202. Circular electric slide rail; 203. Electric slider; 204. Mounting groove; 205. Detection probe; 206. Threaded rod; 207. Threaded wall; 3. Support rod; 301. Top plate of the device; 302. First fixed cylinder; 303. Second fixed cylinder; 304. Arc-shaped clamp; 305. Spring; 306. Moving plate; 307. First groove; 308. Second groove; 309. Second motor; 310. Connecting rod; 311. Square groove; 312. Rotating roller; 313. Bearing. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Example 1: A pressure vessel nozzle weld inspection device, see [link / reference] Figures 1 to 3 The device includes a bottom shell 1, with a square hole 101 at the top. Movable blocks 201 extend through both sides of the square hole 101. One end of each movable block 201 extending out of the square hole 101 is fixed to an annular electric slide rail 202. An electric slider 203 is slidably connected to the inner wall of the annular electric slide rail 202. An installation groove 204 is formed on the surface of the electric slider 203, and a detection probe 205 is installed inside the installation groove 204. One end of the movable block 201 extending into the bottom shell 1 is connected to a transmission assembly. First, the pressure vessel connecting pipe passes through the two annular electric slide rails 202. Then, the first motor 2 is started, which drives the threaded rod 206 to rotate. The threaded rod 206 has opposing threaded walls 207 on its surface, which will drive two moving blocks 201 to move simultaneously. When the two moving blocks 201 move, they can drive two annular electric slide rails 202 to move. During the movement of the annular electric slide rails 202, the annular electric slide rails 202 are activated, which drives the electric slider 203 to move. The electric slider 203 will drive the detection probe 205 to move in annularly, thereby using the detection probe 205 to perform detection around the pressure vessel nozzle. Since there are two annular electric slide rails 202, different positions of the pressure vessel nozzle can be detected separately, improving the detection efficiency.

[0023] For details, see Figure 2 The transmission assembly includes a threaded rod 206, a threaded wall 207, and a first motor 2. Both ends of the threaded rod 206 have moving blocks 201 passing through them, and the opposite threaded walls 207 on both sides of the surface of the threaded wall 207 are respectively connected to the threaded holes in the two moving blocks 201.

[0024] Further, see Figure 2 One end of the threaded rod 206 passes through the bottom shell 1 of the device and is connected to the first motor 2. The first motor 2 is installed on the outer side of the bottom shell 1 of the device.

[0025] It is worth mentioning that, see Figure 2 The device bottom shell 1 top two sides are equipped with support rods 3, and the support rods 3 top are fixed with device top plates 301.

[0026] It is worth noting that, see Figure 3 The device top plate 301 bottom and the device bottom shell 1 top are equipped with first fixed cylinders 302, one end of the first fixed cylinders 302 is penetrated by second fixed cylinders 303, one end of the second fixed cylinders 303 located in the first fixed cylinders 302 is fixed with moving plate bodies 306, the other end of the moving plate bodies 306 is fixed with springs 305, when the pressure vessel connector penetrates through the inside of the two annular electric sliding rails 202, it will also penetrate through the arc-shaped clamping plates 304 between the upper and lower positions on both sides, using the elastic force of the spring 305 in the first fixed cylinder 302, the second fixed cylinder 303 will be moved, the second fixed cylinder 303 will drive the moving plate body 306 and the arc-shaped clamping plate 304 to clamp and support the pressure vessel connector, in the process of clamping and supporting the pressure vessel connector, when the length of the pressure vessel connector is greater than the moving distance of the annular electric sliding rail 202, the second motor 309 is started, the second motor 309 will drive the connecting rod body 310 to rotate, the connecting rod body 310 will drive the rotating roller 312 to rotate, using the rotating roller 312 to drive the pressure vessel connector to move actively, thereby improving the detection range.

[0027] It is worth introducing that, see Figure 3 One end of the second fixed cylinder 303 extending out of the first fixed cylinder 302 is fixed with an arc-shaped clamping plate 304, a square groove 311 is formed on the surface of the arc-shaped clamping plate 304, and a first groove 307 and a second groove 308 are respectively formed on both sides of the square groove 311.

[0028] It is worth emphasizing that, see Figure 4 A bearing 313 is installed in the first groove 307, one end of the connecting rod body 310 is rotatably connected in the bearing 313, the other end of the connecting rod body 310 is connected with the second motor 309 through the rotating roller 312, and the second motor 309 is installed in the second groove 308, and the penetration position of the connecting rod body 310 and the rotating roller 312 is fixed.

[0029] It should be noted that the detection probe 205 in the present application is a radiation source tank, and the specific detection method of the radiation source tank has been described in detail in the comparative file 202423166610.7 A pressure vessel connector weld detection device, therefore, the specific detection method of the radiation source tank does not need to be described in detail in the present application;

[0030] When the rotating roller 312 is used to drive the pressure container pipe to move, the detection range of the pressure container pipe is only extended to a certain extent, and all positions of the long pressure container pipe cannot be detected, because the one end of the pressure container pipe cannot move beyond the distance between the two rotating rollers 312, otherwise the one end of the pressure container pipe will directly fall off.

[0031] When the pressure container pipe weld detection device is used, the pressure container pipe is first inserted into the two annular electric sliding rails 202, then the first motor 2 is started, the first motor 2 drives the threaded rod 206 to rotate, because the threaded rod 206 is provided with opposite threaded walls 207, the two moving blocks 201 are simultaneously driven to move, the two annular electric sliding rails 202 are driven to move when the two moving blocks 201 move, the annular electric sliding rails 202 are started, the electric sliding blocks 203 are driven to move by the annular electric sliding rails 202, the detection probe 205 is driven to move in a ring shape, so that the detection probe 205 is used to detect around the pressure container pipe, because the two annular electric sliding rails 202 are arranged, different positions of the pressure container pipe can be detected, and the detection efficiency is improved, when the pressure container pipe is inserted into the two annular electric sliding rails 202, the pressure container pipe is also inserted between the upper and lower arc-shaped clamping plates 304, the spring 305 in the first fixed cylinder 302 is used to drive the second fixed cylinder 303 to move, the second fixed cylinder 303 drives the moving plate body 306 and the arc-shaped clamping plate 304 to clamp and support the pressure container pipe, when the length of the pressure container pipe is greater than the moving distance of the annular electric sliding rail 202, the second motor 309 is started, the second motor 309 drives the connecting rod body 310 to rotate, the rotating roller 312 is driven to rotate by the connecting rod body 310, the pressure container pipe is driven to move by the rotating roller 312, so that the detection range is improved.

[0032] In addition, the components of the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through technical manual or through conventional experimental method, and the person skilled in the art can realize it completely, and it is needless to say, and the content protected by the utility model does not involve improvement of internal structure and method.

[0033] The utility model discloses the embodiment discloses the preferable embodiment, but is not limited to this, and the person skilled in the art can easily understand the spirit of the utility model according to the above -mentioned embodiment, and make different inferences and changes, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A pressure vessel nozzle weld inspection device comprising a device base housing (1), characterised in that, The square hole (101) is provided with a moving block (201) penetrating through both sides inside the square hole (101), one end of the moving block (201) protruding into the square hole (101) is fixedly connected with an annular electric sliding rail (202), the inner wall of the annular electric sliding rail (202) is slidably connected with an electric sliding block (203), the surface of the electric sliding block (203) is provided with a mounting groove (204), the mounting groove (204) is internally mounted with a detection probe (205), and one end of the moving block (201) protruding into the device bottom shell (1) is connected with a transmission assembly.

2. The pressure vessel nozzle weld inspection apparatus of claim 1, wherein, The transmission assembly comprises a threaded rod (206), a threaded wall (207) and a first motor (2), threaded rods (206) penetrate through both ends of the moving block (201), and the threaded walls (207) on the opposite sides of the surface of the threaded wall (207) are respectively connected with the threaded holes in the two moving blocks (201).

3. The pressure vessel nozzle weld inspection apparatus of claim 2, wherein, One end of the threaded rod (206) penetrates through the device bottom shell (1) and is connected with the first motor (2), and the first motor (2) is mounted on the outer side of the device bottom shell (1).

4. The pressure vessel nozzle weld inspection apparatus of claim 1, wherein, The device bottom shell (1) is provided with a supporting rod (3) on both sides of the top, and the supporting rod (3) is fixedly connected with a device top plate (301) on the top.

5. The pressure vessel nozzle weld inspection apparatus of claim 4, wherein, The device top plate (301) is provided with a first fixed cylinder (302) on the bottom and the top of the device bottom shell (1), one end of the first fixed cylinder (302) penetrates through a second fixed cylinder (303), one end of the second fixed cylinder (303) located in the first fixed cylinder (302) is fixedly connected with a moving plate body (306), and the other end of the moving plate body (306) is fixedly connected with a spring (305).

6. The pressure vessel nozzle weld inspection apparatus of claim 5, wherein, One end of the second fixed cylinder (303) protruding out of the first fixed cylinder (302) is fixedly connected with an arc-shaped clamping plate (304), the surface of the arc-shaped clamping plate (304) is provided with a square groove (311), and the first groove body (307) and the second groove body (308) are respectively provided on both sides inside the square groove (311).

7. The pressure vessel nozzle weld inspection apparatus of claim 6, wherein, The first groove body (307) is internally mounted with a bearing (313), one end of the connecting rod body (310) is rotatably connected with the bearing (313), the other end of the connecting rod body (310) penetrates through a rotating roller (312) and is connected with a second motor (309), and the second motor (309) is mounted in the second groove body (308).

Images