Gamma ray inspection machine

Abstract

The utility model relates to a gamma ray inspection machine, which comprises: a support assembly, the support assembly comprises a support and a sliding groove, the support is L-shaped, and the sliding groove is formed in the support; the storage rack assembly is located on the upper side of the support; the movable frame assembly is installed on the support, the movable frame assembly comprises a lead screw, a movable adjusting frame, a sliding groove and a connecting transverse plate, the lead screw is rotationally connected in the sliding groove, the sliding groove is formed in one end of the movable adjusting frame, and the connecting transverse plate is arranged in the sliding groove; the connecting transverse plate penetrates through a sliding groove to be in threaded connection with the lead screw, the sliding groove is connected to the outer side of the support in a sleeving mode, and the inner wall of the sliding groove is slidably connected with the outer side of the support. Gamma rays irradiate on the display panel to emit light, and then the light rays can penetrate through the tempered glass in the observation hole to reach the observation mirror, so that the occurrence condition of the gamma rays on the display panel can be known only by observing the light emitting phenomenon of the display panel through the observation mirror.

Description

Technical Field

[0001] The invention belongs to the field of gamma ray flaw detectors, in particular to a gamma ray flaw detector. Background Art

[0002] Gamma-ray flaw detectors have the advantages of large thickness measurement and strong penetration; small size, light weight, no need for water or electricity, and are suitable for field operations; high efficiency, and can perform circumferential and panoramic exposure of annular seams and spherical tanks; can operate continuously and is not affected by external conditions such as temperature, pressure, and magnetic field; low equipment failure rate and no easily damaged parts; and low price compared to X-ray machines with the same penetration. They are widely used in the manufacturing, production, and quality control links of boilers, pressure vessels, aviation, aerospace, electric power, petroleum, chemical industry, pipelines, military industry, ships, automobiles, metallurgy, steel structures, railways, universities, and other industries for damage detection.

[0003] The existing relevant patent, patent number CN202220815629.1, "A gamma-ray flaw detector", has the characteristics of "when working, the workpiece to be inspected is placed on the base, and then the flaw detector is started, and the third motor is started at the same time to drive the connecting seat to rotate, thereby driving the flaw detector to rotate, and adjusting the working angle of the flaw detector, and then starting the second motor to drive the second threaded rod to rotate, that is, driving the sliding seat to slide along the slide rail, so that the flaw detector slides along the slide rail to perform flaw detection on the workpiece at the bottom". However, it still has some shortcomings, such as its gamma-ray source is integrated inside, lacks suitable observation structure and means to intuitively observe the status of gamma rays, and whether the gamma rays can be generated stably cannot directly know the status of the gamma rays. Therefore, a gamma-ray flaw detector is proposed. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the following technical problems in the prior art: the gamma-ray source is integrated inside, and there is a lack of suitable observation structure and means to intuitively observe the status of the gamma-rays. It is also impossible to directly know whether the gamma-rays can be generated stably.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a gamma ray flaw detector, comprising:

[0007] A support assembly, the support assembly comprising a bracket and a sliding groove, the bracket is L-shaped, and the bracket is provided with a sliding groove;

[0008] A shelf assembly, the shelf assembly is located at the bottom of the bracket;

[0009] A movable frame assembly, the movable frame assembly is installed on the bracket, the movable frame assembly includes a screw rod, a movable adjustment frame, a sliding groove and a connecting cross plate, the screw rod is rotatably connected in the sliding groove, one end of the movable adjustment frame is provided with a sliding groove, a connecting cross plate is arranged in the sliding groove, the connecting cross plate passes through the sliding groove and is threadedly connected to the screw rod, the sliding groove is sleeved on the outer side of the bracket, and the inner wall of the sliding groove is slidably connected to the outer side of the bracket;

[0010] The guide assembly is arranged at one end of the mobile frame assembly away from the bracket, and the guide assembly is located above the storage rack assembly.

[0011] As a preferred technical solution of a gamma-ray flaw detector, the guide assembly includes a guide tank, a plug-in slot, a radiation channel and an absorption ring plate. The guide tank is fixedly connected to one end of the movable adjustment frame away from the bracket. A plug-in slot is provided on one side of the guide tank, a gamma-ray source is plugged into the plug-in slot, a radiation channel is provided on the inner bottom wall of the plug-in slot, an absorption ring plate is arranged on the top of the inner cavity of the radiation channel, the gate is made of lead plate, the guide assembly also includes a plug-in channel, a gate, a pull rod and a limit plate, a plug-in channel is obliquely provided on one side of the bottom of the inner wall of the radiation channel, a gate is plugged into the plug-in channel, a limit plate and a pull rod are arranged on one side of the top of the gate, the limit plate is in contact with the inner wall of the plug-in channel, and the pull rod is longer than the limit plate;

[0012] The gate can be controlled by holding the pull rod to be inserted into the plug-in channel to block the inner cavity at the bottom of the radiation channel, thereby preventing gamma rays from continuously passing through the radiation channel and being emitted.

[0013] As a preferred technical solution of a gamma-ray flaw detector, the rack assembly includes a vertical rack 1, a vertical rack 2, a horizontal slide bar, a placement slot, a film and a movable plate. The vertical rack 1 and the vertical rack 2 are both vertically arranged. A plurality of horizontal slide bars are arranged between the vertical rack 1 and the vertical rack 2. The horizontal slide bars are arranged horizontally. The horizontal slide bars are plugged with the movable plate. The movable plate is slidably connected with the horizontal slide bars. A placement slot is provided at the top of the movable plate. The film is arranged on the inner bottom wall of the placement slot.

[0014] The film can be placed in the placement slot, and then the object to be detected is placed on the moving plate so that the object to be detected is located between the film and the gamma radiation source. The gamma rays generated by the gamma radiation source can pass through the object to be detected through the radiation channel and hit the film for development.

[0015] As a preferred technical solution of a gamma-ray flaw detector, the rack assembly further includes a holding frame, the bottom of one end of the movable flat plate is connected to the holding frame, and the holding frame passes through the second vertical frame;

[0016] The holding frame can be used to control the mobile tablet to slide on the horizontal slide bar and adjust its position.

[0017] As a preferred technical solution of a gamma-ray flaw detector, the guide assembly further includes an observation hole and tempered glass, the inner wall of the radiation channel is provided with an observation hole, a plurality of tempered glasses are arranged in the observation hole, a display panel is arranged on the upper side of the middle part of the gate, and the central axis of the observation hole passes through the display panel;

[0018] The movable frame assembly further includes a rotating disk, the supporting assembly further includes a rotating slot, the bottom of the bracket is provided with a rotating slot, the bottom end of the screw rod extends into the rotating slot through a connecting shaft and is connected to the center of the rotating disk;

[0019] The movable frame assembly also includes a limit frame and an observation mirror, the limit frame is arranged on the lower side of the movable adjustment frame, one side of the limit frame is slidably connected to the outer side of the bracket, the bottom of the other side of the limit frame is arranged with an observation mirror, the central axis of the observation hole passes through the observation mirror, and the observation mirror is arranged at an angle away from the limit frame, and the inclination angle is greater than 15 degrees;

[0020] The gamma rays hit the display board and emit light. The light can pass through the tempered glass in the observation hole to reach the observation mirror. The luminous phenomenon of the display board can be observed through the observation mirror to understand the gamma ray status on the display board.

[0021] As an optimal technical solution for a gamma-ray flaw detector, the gamma-ray source also includes a tank body, a accommodating cavity, a handle and a gamma radiation source. The tank body is plugged into the plug-in slot, a accommodating cavity is provided on the inner side of the tank body, a gamma radiation source is arranged on the inner side of the accommodating cavity, a through hole is provided on the accommodating cavity, a central axis of the through hole coincides and is aligned with a central axis of a hole in the middle of an absorption ring plate, a handle is provided at one end of the tank body, the gamma radiation source can emit gamma rays through the through hole, and then some of the gamma rays are blocked and absorbed by the absorption ring plate, and the remaining gamma rays can pass through the middle hole more concentratedly.

[0022] The beneficial effect of a gamma ray flaw detector of the present invention is that the gamma ray hits the display board to emit light, and then the light can pass through the tempered glass in the observation hole to reach the observation mirror. In this way, the gamma ray generation condition on the display board can be understood by observing the luminous phenomenon of the display board through the observation mirror. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the positional relationship between the guide assembly and the gamma ray source of the present invention;

[0026] Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure of part A;

[0027] Figure 4 For the present invention Figure 1 A schematic diagram of the partially enlarged structure of part B;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the observation mirror of the present invention;

[0029] Figure 6 For the present invention Figure 1 A schematic diagram of the local enlarged structure of part C in the middle;

[0030] Figure 7 It is a schematic structural diagram of the positional relationship between the sliding groove and the connecting horizontal plate of the present invention.

[0031] Reference numerals: support assembly 100, bracket 101, rotating groove 108, sliding groove 109, rack assembly 200, vertical frame 1 201, vertical frame 2 202, horizontal slide bar 203, placement groove 204, film 205, mobile flat plate 206, holding frame 207, gamma ray source 300, tank 301, accommodating cavity 302, handle 303, gamma radiation source 304, mobile frame assembly 400 , turntable 401, screw rod 402, movable adjustment frame 403, sliding groove 404, connecting horizontal plate 405, limiting frame 407, observation mirror 408, guide assembly 500, guide tank 502, plug-in groove 503, radiation channel 504, absorption ring plate 505, observation hole 507, gate 514, plug-in channel 515, limiting plate 516, display panel 517, tempered glass 518, pull rod 519. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0034] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0035] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0036] like Figures 1 to 7 As shown, the present invention provides a gamma-ray flaw detector, comprising:

[0037] A support assembly 100, the support assembly 100 comprises a bracket 101 and a slide groove 109, the bracket 101 is L-shaped, and the slide groove 109 is formed on the bracket 101;

[0038] The rack assembly 200 is located at the bottom of the bracket 101;

[0039] A movable frame assembly 400, the movable frame assembly 400 is installed on the bracket 101, the movable frame assembly 400 includes a screw rod 402, a movable adjustment frame 403, a sliding groove 404 and a connecting cross plate 405, the screw rod 402 is rotatably connected in the sliding groove 109, one end of the movable adjustment frame 403 is provided with a sliding groove 404, a connecting cross plate 405 is provided in the sliding groove 404, the connecting cross plate 405 passes through the sliding groove 109 and is threadedly connected to the screw rod 402, the sliding groove 404 is sleeved on the outer side of the bracket 101, and the inner wall of the sliding groove 404 is slidably connected to the outer side of the bracket 101;

[0040] The height of the movable adjustment frame 403 and the guide assembly 500 can be adjusted by rotating the screw rod 402 .

[0041] The guide assembly 500 is installed at one end of the moving frame assembly 400 away from the bracket 101 , and the guide assembly 500 is located above the storage rack assembly 200 .

[0042] The guide assembly 500 includes a guide tank 502, a plug-in slot 503, a radiation channel 504 and an absorption ring plate 505. The end of the movable adjustment frame 403 away from the bracket 101 is fixedly connected with the guide tank 502. A plug-in slot 503 is provided on one side of the guide tank 502. A gamma ray source 300 is plugged into the plug-in slot 503. A radiation channel 504 is provided on the inner bottom wall of the plug-in slot 503. An absorption ring plate 505 is provided on the top of the inner cavity of the radiation channel 504. The gate 514 is made of lead plate, and the guide assembly 500 further includes a plug-in channel 515, a gate 514, a pull rod 519 and a limit plate 516. A plug-in channel 515 is obliquely opened on one side of the bottom of the inner wall of the radiation channel 504, and the gate 514 is plugged into the plug-in channel 515. A limit plate 516 and a pull rod 519 are arranged on one side of the top of the gate 514. The limit plate 516 is in contact with the inner wall of the plug-in channel 515, and the pull rod 519 is longer than the limit plate 516.

[0043] By holding the pull rod 519 , the gate 514 can be controlled to be inserted into the insertion channel 515 to block the inner cavity at the bottom of the radiation channel 504 , thereby preventing the gamma rays from continuously passing through the radiation channel 504 and being emitted.

[0044] The storage rack assembly 200 includes a vertical frame 1 201, a vertical frame 202, a horizontal slide bar 203, a placement slot 204, a film 205 and a movable flat plate 206. The vertical frame 1 201 and the vertical frame 202 are both vertically arranged. A plurality of horizontal slide bars 203 are arranged between the vertical frame 1 201 and the vertical frame 202. The horizontal slide bars 203 are arranged horizontally. The horizontal slide bars 203 are plugged with the movable flat plate 206. The movable flat plate 206 is slidably connected with the horizontal slide bars 203. The top of the movable flat plate 206 is provided with a placement slot 204. The film 205 is arranged on the inner bottom wall of the placement slot 204.

[0045] The film 205 can be placed in the placement slot 204, and then the object to be detected is placed on the movable plate 206, so that the object to be detected is located between the film 205 and the gamma radiation source 304. The gamma rays generated by the gamma radiation source 304 can pass through the object to be detected through the radiation channel 504 and hit the film 205 for development.

[0046] The storage rack assembly 200 further includes a holding frame 207, the bottom of one end of the mobile flat panel 206 is connected to the holding frame 207, and the holding frame 207 passes through the second vertical frame 202;

[0047] Holding the holding frame 207 can control the mobile tablet 206 to slide on the horizontal slide bar 203 and adjust the position.

[0048] The guide assembly 500 further includes an observation hole 507 and a tempered glass 518. The inner wall of the radiation channel 504 is provided with an observation hole 507, and a plurality of tempered glasses 518 are arranged in the observation hole 507. A display panel 517 is arranged on the upper side of the middle part of the gate 514, and the central axis of the observation hole 507 passes through the display panel 517.

[0049] The movable frame assembly 400 further includes a rotating disk 401, and the supporting assembly 100 further includes a rotating slot 108. The bottom of the bracket 101 is provided with a rotating slot 108, and the bottom end of the screw rod 402 extends into the rotating slot 108 through a connecting shaft and is connected to the center of the rotating disk 401;

[0050] The movable frame assembly 400 further includes a limit frame 407 and an observation mirror 408. The limit frame 407 is provided at the lower side of the movable adjustment frame 403. One side of the limit frame 407 is slidably connected to the outer side of the bracket 101. The bottom of the other side of the limit frame 407 is provided with an observation mirror 408. The central axis of the observation hole 507 passes through the observation mirror 408. The observation mirror 408 is tilted away from the side of the limit frame 407, and the tilt angle is greater than 15 degrees.

[0051] The gamma rays hit the display board 517 to emit light, and the light can pass through the tempered glass 518 in the observation hole 507 to reach the observation mirror 408. The luminous phenomenon of the display board 517 can be observed through the observation mirror 408 to understand the gamma ray status on the display board 517.

[0052] The gamma ray source 300 also includes a tank body 301, a accommodating cavity 302, a handle 303 and a gamma radiation source 304. The tank body 301 is plugged into the plug-in slot 503. The accommodating cavity 302 is provided on the inner side of the tank body 301. The gamma radiation source 304 is arranged on the inner side of the accommodating cavity 302. A through hole is provided on the accommodating cavity 302. The central axis of the through hole coincides and is aligned with the central axis of the hole in the middle of the absorption ring plate 505. A handle 303 is provided at one end of the tank body 301. The gamma radiation source 304 can emit gamma rays through the through hole. Then, after some of the gamma rays are blocked and absorbed by the absorption ring plate 505, the remaining gamma rays can pass through the middle hole in a more concentrated manner.

[0053] The gamma radiation source 304 is an lr-192 radiation source. The display panel 517 is made of scintillation crystal.

[0054] The specific implementation method is as follows: the film 205 is placed in the placement slot 204, and then the object to be detected is placed on the movable plate 206, so that the object to be detected is located between the film 205 and the gamma radiation source 304, and the gate 514 is removed to open the radiation channel 504 so that the gamma rays can pass through the radiation channel 504 smoothly. The gamma rays generated by the gamma radiation source 304 can pass through the radiation channel 504 and pass through the object to be detected and hit the film 205 for development.

[0055] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A gamma ray flaw detector, characterized in that: include: A support assembly (100), the support assembly (100) comprising a bracket (101) and a sliding groove (109), the bracket (101) being L-shaped, and the bracket (101) being provided with the sliding groove (109); A shelf assembly (200), the shelf assembly (200) is located at the bottom of the bracket (101); A movable frame assembly (400), the movable frame assembly (400) is installed on the bracket (101), the movable frame assembly (400) comprises a screw rod (402), a movable adjustment frame (403), a sliding groove (404) and a connecting transverse plate (405), the screw rod (402) is rotatably connected in the sliding groove (109), one end of the movable adjustment frame (403) is provided with a sliding groove (404), a connecting transverse plate (405) is arranged in the sliding groove (404), the connecting transverse plate (405) passes through the sliding groove (109) and is threadedly connected to the screw rod (402), and the inner wall of the sliding groove (404) is slidably connected to the outer side of the bracket (101); The guide assembly (500) is installed at one end of the movable frame assembly (400) away from the bracket (101), and the guide assembly (500) is located above the storage rack assembly (200).

2. A gamma-ray flaw detector according to claim 1, characterized in that: The guide assembly (500) comprises a guide tank (502), a plug-in slot (503), a radiation channel (504) and an absorption ring plate (505); the guide tank (502) is fixedly connected to one end of the movable adjustment frame (403) away from the bracket (101); a plug-in slot (503) is provided on one side of the guide tank (502); a gamma ray source (300) is plugged into the plug-in slot (503); a radiation channel (504) is provided on the inner bottom wall of the plug-in slot (503); and an absorption ring plate (505) is provided on the top of the inner cavity of the radiation channel (504).

3. A gamma-ray flaw detector according to claim 2, characterized in that: The guide assembly (500) further comprises a plug-in channel (515), a gate (514), a pull rod (519) and a limit plate (516); a plug-in channel (515) is obliquely provided on one side of the bottom of the inner wall of the radiation channel (504); a gate (514) is plugged into the plug-in channel (515); a limit plate (516) and a pull rod (519) are provided on one side of the top of the gate (514); the limit plate (516) is in contact with the inner wall of the plug-in channel (515); and the pull rod (519) is longer than the limit plate (516).

4. A gamma-ray flaw detector according to claim 3, characterized in that: The storage rack assembly (200) comprises a vertical frame 1 (201), a vertical frame 2 (202), a horizontal slide bar (203), a placement slot (204), a film (205) and a movable plate (206); the vertical frame 1 (201) and the vertical frame 2 (202) are both arranged vertically; a plurality of horizontal slide bars (203) are arranged between the vertical frame 1 (201) and the vertical frame 2 (202); the horizontal slide bars (203) are arranged horizontally; the movable plate (206) is slidably connected to the horizontal slide bars (203); a placement slot (204) is provided at the top of the movable plate (206); and a film (205) is arranged on the inner bottom wall of the placement slot (204).

5. A gamma-ray flaw detector according to claim 4, characterized in that: The storage rack assembly (200) further comprises a holding frame (207), the bottom of one end of the mobile flat panel (206) is connected to the holding frame (207), and the holding frame (207) passes through the second vertical frame (202).

6. A gamma-ray flaw detector according to claim 3, characterized in that: The guide assembly (500) further comprises an observation hole (507) and tempered glass (518); the inner wall of the radiation channel (504) is provided with an observation hole (507); a plurality of tempered glasses (518) are arranged in the observation hole (507); a display panel (517) is arranged on the upper side of the middle part of the gate (514); and the central axis of the observation hole (507) passes through the display panel (517).

7. A gamma-ray flaw detector according to claim 6, characterized in that: The movable frame assembly (400) further comprises a rotating disk (401), and the supporting assembly (100) further comprises a rotating groove (108). The bottom of the bracket (101) is provided with a rotating groove (108), and the bottom end of the screw rod (402) extends into the rotating groove (108) through a connecting shaft and is connected to the center of the rotating disk (401); The movable frame assembly (400) further comprises a limiting frame (407) and an observation mirror (408); the limiting frame (407) is arranged at the lower side of the movable adjustment frame (403); one side of the limiting frame (407) is slidably connected to the outer side of the bracket (101); the bottom of the other side of the limiting frame (407) is arranged with an observation mirror (408); the central axis of the observation hole (507) passes through the observation mirror (408); and the observation mirror (408) is arranged at an angle away from the side of the limiting frame (407).

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