CN115561263A - X-ray flaw detector - Google Patents
X-ray flaw detector Download PDFInfo
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- CN115561263A CN115561263A CN202211390595.7A CN202211390595A CN115561263A CN 115561263 A CN115561263 A CN 115561263A CN 202211390595 A CN202211390595 A CN 202211390595A CN 115561263 A CN115561263 A CN 115561263A
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Abstract
The invention relates to the technical field of flaw detectors, in particular to an X-ray flaw detector which comprises a base, wherein four corners of the bottom of the base are rotatably provided with universal wheels, the top of the base is fixedly provided with an installation frame, the inner side of the installation frame is provided with a translation mechanism, and the translation mechanism is provided with a flaw detection assembly for detecting flaws on a pipe fitting; the top of the base is provided with a positioning mechanism for positioning and mounting the pipe fitting; the invention can lead the flaw detection assembly to move axially along the pipe fitting to detect the flaw in a large range, thereby greatly improving the flaw detection efficiency.
Description
Technical Field
The invention relates to the technical field of flaw detectors, in particular to an X-ray flaw detector.
Background
The principle of the X-ray damage detector is a nondestructive flaw detection method for finding defects in substances by utilizing the characteristics of penetration of X-rays into the substances and attenuation of the X-rays in the substances, wherein the X-rays can detect internal defects of metal and nonmetal materials and products thereof; such as porosity, slag inclusions, lack of penetration of the weld, etc. defects in the weld; an industrial X-ray flaw detector is a general name of equipment for carrying out X-ray photography or tomography on an internal structure of an object, wherein the equipment comprises an X-ray tube head assembly, a control box and a connecting cable; when the weld joint on the pipeline is subjected to flaw detection, because the weld joint on the pipeline is annularly arranged, when the size of the pipeline is larger than the searchlighting range of an X-ray damage flaw detector, a plurality of X-ray damage flaw detectors are required to be used for detecting the weld joint on the pipeline, and the position is required to be continuously adjusted, so that inconvenience is caused;
to this end, chinese patent publication No. CN202123190205.5 discloses "an industrial X-ray flaw detector for pipeline weld detection, comprising an X-ray flaw detector body and a bottom plate, wherein a slide seat is fixedly connected to an upper surface of the bottom plate, a semicircular slide rail is arranged on a right side of the slide seat, a semicircular moving groove corresponding to the semicircular slide rail is formed on the right side of the slide seat, an annular moving assembly is arranged on the semicircular slide rail, and the annular moving assembly comprises an annular worm wheel connected to an outer wall of the semicircular slide rail";
according to the device, a first motor is used for driving a worm to rotate, the worm drives an annular worm wheel to rotate, the annular worm wheel drives a semicircular slide rail to rotate, and the semicircular slide rail drives an X-ray flaw detector body to rotate, so that the X-ray flaw detector body rotates for a half circle to detect flaws of a pipeline; however, some pipes are formed by welding a plurality of pipes, so that a plurality of welding seams exist in the axial direction of the pipes, and when the length of the pipe exceeds the flaw detection range of the X-ray flaw detector body, the X-ray flaw detector body cannot perform comprehensive flaw detection on the pipes.
Disclosure of Invention
The invention aims to solve the defect that the flaw detection along the axial direction of a pipeline cannot be automatically carried out in the prior art, and provides an X-ray flaw detector.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing an X-ray flaw detector, which comprises a base, wherein universal wheels are rotatably mounted at four corners of the bottom of the base, a mounting frame is fixedly mounted at the top of the base, a translation mechanism is mounted on the inner side of the mounting frame, and a flaw detection assembly is mounted on the translation mechanism to detect flaws on a pipe fitting; and a positioning mechanism is arranged at the top of the base to position and install the pipe fitting.
Preferably, the translation mechanism comprises a screw rod, a first movable seat, a first motor, a guide rod, a second movable seat and a guide piece; the lead screw rotates and installs the top at the base, first sliding seat screw thread is installed on the lead screw, first motor fixed mounting is in the one end of base, and output shaft and lead screw fixed connection, guide bar fixed mounting on the top of mounting bracket, and with lead screw parallel arrangement, second sliding seat slidable mounting is on the guide bar, the guide is installed between first sliding seat and second sliding seat.
Preferably, the top of base fixed mounting have with first sliding seat assorted guide rail, the bottom and the guide rail sliding connection of first sliding seat.
Preferably, the guide member comprises an arc-shaped guide plate and an arc-shaped rack; arc baffle fixed mounting is between first sliding seat and second sliding seat, arc rack fixed mounting between first sliding seat and second sliding seat, and with arc baffle parallel arrangement, the guide way has been seted up on the arc baffle, the subassembly installation of detecting a flaw is in the guide way.
Preferably, the flaw detection assembly comprises a sliding block, a first mounting seat, a rolling gear and a second motor; the sliding block is slidably mounted in the guide groove, one end of the sliding block is fixedly connected with the first mounting seat, the rolling gear is rotatably mounted on the inner side of the first mounting seat and meshed with the arc-shaped rack, and the second motor is fixedly mounted on the outer side of the first mounting seat and an output shaft is fixedly connected with the rolling gear.
Preferably, the flaw detection assembly further comprises a second mounting seat, a rotating seat, a first air cylinder and an X-ray flaw detection module; the second mounting seat is fixedly mounted at the other end of the sliding block, one end of the rotating seat is rotatably mounted on the inner side of the second mounting seat, the other end of the rotating seat is fixedly connected with the first air cylinder, and the X-ray flaw detection module is fixedly mounted at the output end of the first air cylinder.
Preferably, the flaw detection assembly further comprises a transmission member, wherein the transmission member comprises an incomplete gear, a transmission gear and a coil spring; the incomplete gear is coaxially and fixedly connected with the rolling gear, the transmission gear is coaxially and fixedly connected with the rotating seat and intermittently meshed with the incomplete gear, the coil spring is sleeved on a rotating shaft of the transmission gear, one end of the coil spring is fixedly connected with the second mounting seat, and the other end of the coil spring is fixedly connected with the transmission gear.
Preferably, the positioning mechanism comprises two fixed seats, two rotating cylinders, two second air cylinders, two clamping plates and two placing seats; two the fixing base is fixed mounting respectively at the both ends of base, two the rotary drum runs through corresponding fixing base, just rotates with the fixing base and is connected, two the second cylinder is fixed mounting respectively at the top of two rotary drums, two splint are fixed respectively at the output of two second cylinders, and are located the rotary drum inboard, two place the seat respectively fixed mounting in the inboard of two rotary drums.
Preferably, a driving part is mounted on one of the fixing seats, and the driving part comprises a third motor, a driving gear and a gear ring; the third motor is fixedly mounted on the fixing seat, the driving gear is fixedly mounted on an output shaft of the third motor, and the gear ring is fixedly mounted at the end of the rotating cylinder and meshed with the driving gear.
The X-ray flaw detector provided by the invention has the beneficial effects that: install the pipe fitting through positioning mechanism, then start first motor and make the lead screw rotate to make first movable seat remove along the guide rail, along guide bar synchronous movement between the second movable seat simultaneously, and then make arc baffle and arc rack along pipe fitting axial displacement, just also make the subassembly of detecting a flaw detect to it on a large scale along pipe fitting axial displacement, this efficiency of detecting a flaw that just can improve greatly.
Drawings
Fig. 1 is a schematic structural diagram of an X-ray inspection machine according to the present invention;
FIG. 2 is a schematic structural diagram of a translation mechanism of an X-ray flaw detector according to the present invention;
FIG. 3 is a schematic structural diagram of a guide of an X-ray inspection machine according to the present invention;
FIG. 4 is a schematic structural diagram of a fault detection assembly of an X-ray fault detector according to the present invention;
FIG. 5 is a schematic structural diagram of a transmission member of an X-ray inspection machine according to the present invention;
FIG. 6 is a schematic structural diagram of a positioning mechanism of an X-ray inspection machine according to the present invention;
fig. 7 is a schematic structural diagram of a driving member of an X-ray inspection machine according to the present invention.
In the figure: the device comprises a base 1, a universal wheel 2, a mounting frame 3, a translation mechanism 4, a screw rod 41, a first movable seat 42, a first motor 43, a guide rail 44, a guide rod 45, a second movable seat 46, a guide piece 47, an arc-shaped guide plate 471, an arc-shaped rack 472, a guide groove 473, a flaw detection assembly 5, a slide block 51, a first mounting seat 52, a rolling gear 53, a second motor 54, a second mounting seat 55, a rotating seat 56, a first air cylinder 57, an X-ray flaw detection module 58, a transmission piece 59, an incomplete gear 591, a transmission gear 592, a coil spring 593, a positioning mechanism 6, a fixed seat 61, a rotating cylinder 62, a second air cylinder 63, a clamping plate 64, a placing seat 65, a driving piece 66, a third motor 661, a driving gear 662 and a gear ring 663.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-3, an X-ray flaw detector comprises a base 1, universal wheels 2 are rotatably mounted at four corners of the bottom of the base 1, a mounting frame 3 is fixedly mounted at the top of the base 1, a translation mechanism 4 is mounted on the inner side of the mounting frame 3, and a flaw detection assembly 5 is mounted on the translation mechanism 4 to detect flaws on pipe fittings; and a positioning mechanism 6 is installed at the top of the base 1 to position and install the pipe fitting.
The translation mechanism 4 comprises a screw rod 41, a first movable seat 42, a first motor 43, a guide rod 45, a second movable seat 46 and a guide piece 47; the screw rod 41 is rotatably installed at the top of the base 1, the first movable seat 42 is installed on the screw rod 41 in a threaded manner, the first motor 43 is fixedly installed at one end of the base 1, an output shaft is fixedly connected with the screw rod 41, the guide rod 45 is fixedly installed at the top end of the installation frame 3 and is arranged in parallel with the screw rod 41, the second movable seat 46 is slidably installed on the guide rod 45, and the guide piece 47 is installed between the first movable seat 42 and the second movable seat 46; the top of the base 1 is fixedly provided with a guide rail 44 matched with the first movable seat 42, and the bottom end of the first movable seat 42 is slidably connected with the guide rail 44.
The guide 47 includes an arc guide plate 471 and an arc rack 472; arc baffle 471 fixed mounting is between first sliding seat 42 and second sliding seat 46, and arc rack 472 fixed mounting is between first sliding seat 42 and second sliding seat 46, and with arc baffle 471 parallel arrangement, has seted up guide way 473 on the arc baffle 471, and the subassembly 5 of detecting a flaw is installed in guide way 473.
The working principle is as follows: during operation, install the pipe fitting through positioning mechanism 6, then start first motor 43 and make lead screw 41 rotate to make first movable seat 42 remove along guide rail 44, simultaneously along guide bar 45 synchronous motion between the second movable seat 46, and then make arc baffle 471 and arc rack 472 along pipe fitting axial displacement, just also make the subassembly 5 of detecting a flaw detect it on a large scale along pipe fitting axial displacement, this efficiency of detecting a flaw can be improved greatly.
Example 2:
in embodiment 1, the flaw detection assembly 5 performs movable flaw detection along the axial direction of the pipe, and because the welding seam on the pipe is annularly arranged, when the size of the pipe is larger than the irradiation range of the flaw detection assembly 5, the pipe cannot be subjected to comprehensive flaw detection;
referring to fig. 1 to 5, as another preferred embodiment of the present invention, there is a difference from embodiment 1 in that the inspection assembly 5 includes a slider 51, a first mounting seat 52, a rolling gear 53, a second motor 54, a second mounting seat 55, a rotating seat 56, a first cylinder 57, an X-ray inspection module 58, and a transmission member 59; a sliding block 51 is slidably arranged in the guide groove 473, one end of the sliding block 51 is fixedly connected with the first mounting seat 52, a rolling gear 53 is rotatably arranged on the inner side of the first mounting seat 52 and meshed with the arc-shaped rack 472, and a second motor 54 is fixedly arranged on the outer side of the first mounting seat 52 and an output shaft is fixedly connected with the rolling gear 53; the second mounting seat 55 is fixedly mounted at the other end of the sliding block 51, one end of the rotating seat 56 is rotatably mounted at the inner side of the second mounting seat 55, the other end of the rotating seat 56 is fixedly connected with the first air cylinder 57, and the X-ray flaw detection module 58 is fixedly mounted at the output end of the first air cylinder 57.
The transmission member 59 includes an incomplete gear 591, a transmission gear 592, and a coil spring 593; the incomplete gear 591 is coaxially and fixedly connected with the rolling gear 53, the transmission gear 592 is coaxially and fixedly connected with the rotating seat 56 and intermittently meshed with the incomplete gear 591, the coil spring 593 is sleeved on a rotating shaft of the transmission gear 592, one end of the coil spring 593 is fixedly connected with the second mounting seat 55, and the other end of the coil spring 593 is fixedly connected with the transmission gear 592.
The working principle is as follows: during work, the pipe fitting is installed through the positioning mechanism 6, then the first motor 43 is started to enable the screw rod 41 to rotate, so that the first movable seat 42 moves along the guide rail 44, meanwhile, the second movable seats 46 synchronously move along the guide rod 45, further, the arc-shaped guide plate 471 and the arc-shaped rack 472 axially move along the pipe fitting, and further, the flaw detection assembly 5 axially moves along the pipe fitting to detect flaws in a large range;
meanwhile, the second motor 54 is started to rotate the rolling gear 53, so that the rolling gear 53 rolls along the arc-shaped rack 472, the sliding block 51 slides along the guide groove 473, and the X-ray inspection module 58 moves in an arc shape, so that the X-ray inspection module 58 can inspect the circumferential direction of the pipe, and the inspection range of the pipe is greatly improved;
when the rolling gear rotates, the incomplete gear 591 is driven to rotate, and when the incomplete gear 591 is meshed with the transmission gear 592, the transmission gear 592 drives the rotating seat 56 to rotate, and meanwhile, the coil spring 593 is wound to accumulate elastic potential energy; when the incomplete gear 591 is separated from the transmission gear 592, the coil spring 593 releases potential energy to enable the rotating seat 56 to rotate reversely, and in such a circulation manner, the rotating seat 56 can realize periodic reciprocating swing, so that the X-ray inspection module 58 can perform reciprocating swing, and the irradiation range of the X-ray inspection module 58 is further improved.
Example 3:
in embodiment 1 or embodiment 2, the X-ray inspection module 58 can perform moving inspection along the circumferential direction of the pipe, but the axial movement of the X-ray inspection module 58 can only perform circular arc movement, and when the pipe diameter of the pipe is large, the X-ray inspection module 58 can only perform inspection on the pipe with a certain radian, and a local searchlight blind area exists.
Referring to fig. 1 to 7, as another preferred embodiment of the present invention, the difference from embodiment 1 or embodiment 2 is that the positioning mechanism 6 includes two fixed seats 61, two rotating cylinders 62, two second air cylinders 63, two clamping plates 64, and two placing seats 65; the two fixing seats 61 are respectively and fixedly installed at two ends of the base 1, the two rotating cylinders 62 penetrate through the corresponding fixing seats 61 and are rotatably connected with the fixing seats 61, the two second cylinders 63 are respectively and fixedly installed at the tops of the two rotating cylinders 62, the two clamping plates 64 are respectively and fixedly installed at the output ends of the two second cylinders 63 and are positioned at the inner sides of the rotating cylinders 62, and the two placing seats 65 are respectively and fixedly installed at the inner sides of the two rotating cylinders 62;
one of the fixed seats 61 is provided with a driving part 66, and the driving part 66 comprises a third motor 661, a driving gear 662 and a gear ring 663; the third motor 661 is fixedly mounted on the fixed base 61, the driving gear 662 is fixedly mounted on an output shaft of the third motor 661, and the ring gear 663 is fixedly mounted on an end portion of the rotary cylinder 62 and is meshed with the driving gear 662.
The working principle is as follows: during work, the pipe fitting is installed through the positioning mechanism 6, then the first motor 43 is started to enable the screw rod 41 to rotate, so that the first movable seat 42 moves along the guide rail 44, meanwhile, the second movable seats 46 synchronously move along the guide rod 45, further, the arc-shaped guide plate 471 and the arc-shaped rack 472 axially move along the pipe fitting, and further, the flaw detection assembly 5 axially moves along the pipe fitting to detect flaws in a large range;
simultaneously, the second motor 54 is started to rotate the rolling gear 53, so that the rolling gear 53 rolls along the arc-shaped rack 472, the sliding block 51 slides along the guide slot 473, and the X-ray inspection module 58 moves in an arc shape, so that the X-ray inspection module 58 inspects the circumferential direction of the pipe fitting;
when the rolling gear rotates, the incomplete gear 591 is driven to rotate, and when the incomplete gear 591 is meshed with the transmission gear 592, the transmission gear 592 drives the rotating seat 56 to rotate, and meanwhile, the coil spring 593 is wound to accumulate elastic potential energy; when the incomplete gear 591 is separated from the transmission gear 592, the coil spring 593 releases potential energy to enable the rotating seat 56 to rotate reversely, and in such a circulating manner, the rotating seat 56 can realize periodic reciprocating swing, so that the X-ray inspection module 58 can perform reciprocating swing, and the irradiation range of the X-ray inspection module 58 is further improved;
when the pipe diameter of pipe fitting is too big, make drive gear 662 rotate through starting third motor 661 to make ring gear 663 drive and rotate a 62 synchronous rotations, this just makes the pipe fitting of rotating a 62 inboard synchronous rotations, and then makes the blind area of pipe fitting rotate the searchlight scope of X-ray inspection module 58, has just also realized detecting a flaw comprehensively to the pipe fitting, has improved the effect of detecting a flaw greatly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. An X-ray flaw detector is characterized by comprising
The mounting rack (3) is fixedly mounted at the top of the base (1);
the translation mechanism (4), the translation mechanism (4) is installed on the inner side of the mounting rack (3);
the flaw detection assembly (5) is mounted on the translation mechanism (4) and is used for detecting flaws of the pipe fitting;
the positioning mechanism (6) is installed at the top of the base (1) to position and install the pipe fitting.
2. An X-ray inspection machine according to claim 1, characterized in that the translation mechanism (4) comprises a screw (41), a first movable seat (42), a first motor (43), a guide bar (45), a second movable seat (46) and a guide (47); lead screw (41) rotate and install the top at base (1), first sliding seat (42) screw thread is installed on lead screw (41), first motor (43) fixed mounting in the one end of base (1) and output shaft and lead screw (41) fixed connection, guide bar (45) fixed mounting on the top of mounting bracket (3) and with lead screw (41) parallel arrangement, second sliding seat (46) slidable mounting is on guide bar (45), guide (47) are installed between first sliding seat (42) and second sliding seat (46).
3. The X-ray flaw detector according to claim 2, characterized in that a guide rail (44) matched with the first movable seat (42) is fixedly installed at the top of the base (1), and the bottom end of the first movable seat (42) is slidably connected with the guide rail (44).
4. An X-ray inspection machine according to claim 3, characterized in that the guide member (47) comprises an arc-shaped guide plate (471) and an arc-shaped rack (472); arc baffle (471) fixed mounting is between first sliding seat (42) and second sliding seat (46), arc rack (472) fixed mounting is between first sliding seat (42) and second sliding seat (46), and with arc baffle (471) parallel arrangement, guide way (473) have been seted up on arc baffle (471), subassembly (5) of detecting a flaw are installed in guide way (473).
5. An X-ray flaw detector according to claim 4, characterized in that the flaw detection assembly (5) comprises a slider (51), a first mounting seat (52), a rolling gear (53) and a second motor (54); the sliding block (51) is slidably mounted in the guide groove (473), one end of the sliding block (51) is fixedly connected with the first mounting seat (52), the rolling gear (53) is rotatably mounted on the inner side of the first mounting seat (52) and meshed with the arc-shaped rack (472), and the second motor (54) is fixedly mounted on the outer side of the first mounting seat (52) and an output shaft is fixedly connected with the rolling gear (53).
6. An X-ray flaw detector according to claim 5, characterized in that the flaw detection assembly (5) further comprises a second mounting base (55), a rotating base (56), a first cylinder (57) and an X-ray flaw detection module (58); the second mounting seat (55) is fixedly mounted at the other end of the sliding block (51), one end of the rotating seat (56) is rotatably mounted on the inner side of the second mounting seat (55), the other end of the rotating seat (56) is fixedly connected with the first air cylinder (57), and the X-ray flaw detection module (58) is fixedly mounted at the output end of the first air cylinder (57).
7. An X-ray flaw detector according to claim 6, characterized in that the flaw detection assembly (5) further comprises a transmission member (59), the transmission member (59) comprising a partial gear (591), a transmission gear (592) and a coil spring (593); the incomplete gear (591) is coaxially and fixedly connected with the rolling gear (53), the transmission gear (592) is coaxially and fixedly connected with the rotating seat (56) and intermittently meshed with the incomplete gear (591), the coil spring (593) is sleeved on a rotating shaft of the transmission gear (592), one end of the coil spring (593) is fixedly connected with the second mounting seat (55), and the other end of the coil spring (593) is fixedly connected with the transmission gear (592).
8. An X-ray flaw detector according to claim 7, characterized in that the positioning mechanism (6) comprises two fixed seats (61), two rotating drums (62), two second air cylinders (63), two clamping plates (64) and two placing seats (65); two fixing base (61) fixed mounting is respectively at the both ends of base (1), two it runs through corresponding fixing base (61) and rotates with fixing base (61) to rotate a section of thick bamboo (62), two second cylinder (63) fixed mounting is respectively at the top of two rotation section of thick bamboos (62), two splint (64) are fixed respectively at the output of two second cylinders (63) and are located and rotate a section of thick bamboo (62) inboard, two place seat (65) fixed mounting respectively in the inboard of two rotation sections of thick bamboos (62).
9. An X-ray flaw detector according to claim 8, characterized in that a driving member (66) is mounted on one of the fixed seats (61), the driving member (66) comprising a third motor (661), a driving gear (662) and a ring gear (663); the third motor (661) is fixedly mounted on the fixed base (61), the driving gear (662) is fixedly mounted on an output shaft of the third motor (661), and the gear ring (663) is fixedly mounted at an end of the rotary cylinder (62) and meshed with the driving gear (662).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390595.7A CN115561263A (en) | 2022-11-08 | 2022-11-08 | X-ray flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390595.7A CN115561263A (en) | 2022-11-08 | 2022-11-08 | X-ray flaw detector |
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| Publication Number | Publication Date |
|---|---|
| CN115561263A true CN115561263A (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211390595.7A Pending CN115561263A (en) | 2022-11-08 | 2022-11-08 | X-ray flaw detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554391A (en) * | 2024-01-12 | 2024-02-13 | 烟台通瑞检测技术服务有限公司 | Pipe fitting radiographic inspection device and use method |
-
2022
- 2022-11-08 CN CN202211390595.7A patent/CN115561263A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554391A (en) * | 2024-01-12 | 2024-02-13 | 烟台通瑞检测技术服务有限公司 | Pipe fitting radiographic inspection device and use method |
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