CN111022029B - Automatic installation and replacement device for logging radioactive source - Google Patents

Abstract

An automatic installation and replacement device for a logging radioactive source comprises a device box; a device bin is arranged in the device box; the device box comprises a radiation box, a support plate and a storage piece; a radiation bin is arranged in the radiation box; the radioactive box comprises a collection box, a fixed rod, a first telescopic rod, a spring part, a pressing plate, a pressing rod, a connecting ball, a rotating rod, a radioactive source box, a connecting rod and a supporting rod; the radiation box is provided with a rotating plate for closing the upper piece hole; the connecting rod is provided with an electromagnet; an iron sheet is arranged on the radioactive source box; a first power mechanism for driving the first telescopic rod to do telescopic motion is arranged on the device box; the storage part is provided with a storage bin with an upward opening; the storage piece comprises a plurality of radioactive source boxes and a second telescopic rod; the plurality of radioactive source boxes are vertically arranged in the storage bin; the supporting plate is provided with a sliding groove for the radiation source box to slide. According to the invention, through the design of the storage piece and the radiation box, the device capable of automatically mounting and replacing the radioactive source is obtained, and the device has higher practicability.

Description

An automatic installation and replacement device for logging radioactive sources

technical field

The invention relates to the technical field of well logging radioactive sources, in particular to an automatic installation and replacement device for well logging radioactive sources.

Background technique

Radioactive source is a general term for radiation sources made of radioactive substances. The radioactive source is generally marked by the activity of the radionuclide produced, and its strength can also be marked by the ray emissivity or fluence rate. According to the packaging method of radioactive sources, it can be divided into sealed radioactive sources (radioactive substances sealed in a casing that meets certain requirements) and unsealed radioactive sources (radioactive substances without casings). Most industrial, agricultural and medical radioactive sources are sealed Radioactive sources, at present, radioactive sources have been widely used in flaw detection, medical treatment, radiation, scientific research and other fields. During the use of well logging radioactive sources, since the radioactive sources are harmful to the human body, there is an urgent need for a device that can automatically install and replace the radioactive sources.

SUMMARY OF THE INVENTION

(1) Purpose of the invention

In order to solve the technical problems existing in the background technology, the present invention proposes an automatic installation and replacement device for well logging radioactive sources. Through the design of storage parts and radiation boxes, a device that can automatically install and replace radioactive sources is obtained. High practicality.

(2) Technical solutions

In order to solve the above problems, the present invention provides a device for automatic installation and replacement of logging radioactive sources, including a device box; a device warehouse is arranged in the device box; the device box includes a radiation box, a support plate and a storage piece; the radiation box and the support plate are arranged on The bottom of the device compartment; the storage part is arranged on the top of the support plate;

The radiation chamber is arranged in the radiation box; the radiation box includes a collection box, a fixed rod, a first telescopic rod, a spring member, a pressing plate, a pressure rod, a connecting ball, a rotating rod, a radioactive source box, a connecting rod and a support rod; The bottom of the warehouse; the radiation box is provided with an upper hole for replacing the radioactive source box; the radiation box is provided with a rotating plate for closing the upper hole; the rotating plate is set at the upper hole position; the fixed rod is vertically arranged at In the radiation chamber; the open chamber with the opening upward is vertically arranged on the fixed rod; the spring part is arranged at the bottom of the open chamber; the pressure plate is arranged on the top of the spring part; the pressure rod is vertically arranged on the top of the pressure plate; Top; the fixed rod is provided with a first through hole for inserting the rotating rod; one end of the rotating rod is inserted into the first through hole and rotated to be arranged on the connecting ball; one end of the supporting rod is arranged on the rotating rod, and the other end of the supporting rod is arranged in contact with the rotating plate ; One end of the connecting rod is connected with the other end of the rotating rod, and the other end of the connecting rod is magnetically connected with the radioactive source box under the action of magnetic force; an electromagnet is arranged on the connecting rod; an iron sheet is arranged on the radioactive source box; The box is connected and set by the electromagnet and the iron sheet; the first telescopic rod is vertically set, and the lower end of the first telescopic rod is set in the open warehouse; the device box is provided with a first power mechanism for driving the first telescopic rod to perform telescopic movement;

A storage bin with an upward opening is set on the storage part; the storage part includes a plurality of radioactive source boxes and a second telescopic rod; a plurality of radioactive source boxes are vertically arranged in the storage bin; the storage part is provided with a second A through hole; the second telescopic rod is arranged horizontally, and one end of the second telescopic rod is inserted into the second through hole; the storage part is provided with a second power mechanism for driving the second telescopic rod for telescopic movement; the storage part is provided with a radioactive source The third through hole through which the box passes; the third through hole is set on the same horizontal line as the second through hole; and a chute for sliding the radiation source box is set on the support plate.

Preferably, the top of the storage part is provided with a cover plate for closing the open bin, and the cover plate is rotatably arranged on the storage part.

Preferably, a plurality of reinforcing pieces are arranged outside the device box.

Preferably, a radiation-proof layer is arranged on the device case.

Preferably, a radioactive laser mark is arranged outside the device box.

In the present invention, when the operator installs and replaces the logging radioactive source, he first needs to place a plurality of radioactive source boxes in the storage bin. When the radioactive source needs to be replaced, the electromagnet on the device is powered off. The radioactive source box originally installed on the connecting rod will fall to the collection box because of losing the effect of the electromagnet attraction. After the disassembly of the old radioactive source is completed, the first power mechanism is started, the first telescopic rod is extended, and the connecting ball is pressed in the countryside. Due to the limiting effect of the first through hole, the rotating rod rotates, driving the supporting rod to shift, and the supporting rod Movement, the rotating plate is jacked up, the lower end of the connecting rod at the lower end of the rotating rod stretches out of the radiation box, and an electromagnet is arranged on the lower end of the connecting rod. At this time, the electromagnet is in a energized state and has magnetism. Push the radioactive source box to the lower end of the connecting rod through the support plate. There is an iron plate on the radioactive source box. Under the action of magnetic force, the connecting rod is connected with the radioactive source box. The reset movement of the rod upwards drives the rotating rod to reset, and the radioactive source box enters the radiation chamber along with the rotating rod, realizing the automatic installation and replacement of the logging radioactive source. The structure is simple and easy to operate, and the multi-layer sealed packaging is radiation-proof, with high practical value.

In the present invention, the top of the storage part is provided with a cover plate for closing the open compartment, which seals the storage compartment, prevents the radiation leakage of the radioactive source, and ensures the safety of the staff; a plurality of reinforcing parts are arranged outside the device box, which is convenient for the device to be installed in practice. Installation and fixing during use; a radiation protection layer is set on the device box to prevent the leakage of radioactive source radiation and improve the practicability of the device; a radioactive laser mark is set outside the device box to warn other personnel that the device is dangerous.

Description of drawings

Fig. 1 is a side view structural schematic diagram of an automatic installation and replacement device for well logging radioactive sources proposed by the present invention.

Fig. 2 is a structural schematic diagram of a specific embodiment of a logging radioactive source automatic installation and replacement device proposed by the present invention.

Fig. 3 is a partially enlarged structural schematic diagram of an automatic installation and replacement device for well logging radioactive sources proposed by the present invention.

Fig. 4 is a partially enlarged structural schematic diagram of a logging radioactive source automatic installation and replacement device proposed by the present invention.

Fig. 5 is a structural schematic diagram of a storage part in a logging radioactive source automatic installation and replacement device proposed by the present invention.

Fig. 6 is a structural schematic diagram of a support plate in an automatic installation and replacement device for well logging radioactive sources proposed by the present invention.

Fig. 7 is a structural schematic diagram of a fixing column in a device for automatically installing and replacing well logging radioactive sources proposed by the present invention.

Reference signs: 1. device box; 2. device bin; 3. radiation box; 4. radiation bin; 5. rotating plate; 6. upper hole; 7. collection box; 8. fixed rod; Rod; 10, first power mechanism; 11, spring member; 12, pressing plate; 13, pressing rod; 14, connecting ball; 15, rotating rod; 16, first through hole; 17, connecting rod; 18, electromagnet; 19. Radioactive source box; 20. Support plate; 21. Iron sheet; 22. Chute; 23. Storage piece; 24. Opening bin; 25. Storage bin; 26. Second through hole; 27. Second telescopic rod; 28. Second power mechanism; 29. Third through hole; 30. Cover plate; 31. Reinforcing member; 32. Support rod.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

As shown in Figures 1-7, a device for automatically installing and replacing logging radioactive sources proposed by the present invention includes a device box 1; a device warehouse 2 is arranged in the device box 1; the device box 1 includes a radiation box 3, a support plate 20 and a storage Part 23; the radiation box 3 and the support plate 20 are arranged at the bottom of the device warehouse 2; the storage part 23 is arranged on the top of the support plate 20;

Radiation chamber 4 is arranged in radiation box 3; Radiation box 3 comprises collection box 7, fixed rod 8, first telescopic rod 9, spring member 11, pressing plate 12, pressing rod 13, connecting ball 14, rotating rod 15, radioactive source box 19 , connecting rod 17 and support rod 32; collection box 7 is arranged on the bottom of radiation storehouse 4; radiation box 3 is provided with the upper part hole 6 that is used to replace radiation source box 19; radiation box 3 is provided with and is used for closing the upper part hole 6 The rotating plate 5; the rotating plate 5 is rotated and arranged at the position of the upper hole 6; the fixed rod 8 is vertically arranged in the radiation chamber 4; the fixed rod 8 is vertically provided with an upward opening warehouse 24; the spring member 11 is arranged on the opening The bottom of storehouse 24; Pressing plate 12 is arranged on the top of spring member 11; Depressing bar 13 is vertically arranged on the top of pressing plate 12; A through hole 16; one end of the rotating rod 15 is inserted into the first through hole 16 and rotated to be arranged on the connecting ball 14; one end of the supporting rod 32 is arranged on the rotating rod 15, and the other end of the supporting rod 32 is arranged in contact with the rotating plate 5; the connecting rod 17 One end of the connecting rod 15 is connected with the other end of the rotating rod 15, and the other end of the connecting rod 17 is connected with the radioactive source box 19; the connecting rod 17 is provided with an electromagnet 18; the radioactive source box 19 is provided with an iron plate 21; Source box 19 is connected and set by electromagnet 18 and iron sheet 21; The first power mechanism 10 for telescopic movement;

The storage part 23 is provided with an upward storage bin 25; the storage part 23 includes a plurality of radioactive source boxes 19 and a second telescopic rod 27; a plurality of radioactive source boxes 19 are vertically arranged in the storage bin 25; The second through hole 26 that the second telescopic rod 27 is inserted; The second telescopic rod 27 is horizontally arranged, and one end of the second telescopic rod 27 is inserted in the second through hole 26; The second power mechanism 28 of the telescopic movement; the third through hole 29 for the radioactive source box 19 to pass is set on the storage part 23; the third through hole 29 is set on the same horizontal line as the second through hole 26; The chute 22 that the source box 19 slides.

In the present invention, when the operator installs and replaces the logging radioactive source, he first needs to place a plurality of radioactive source boxes in the storage bin. When the radioactive source needs to be replaced, the electromagnet on the device is powered off. The radioactive source box originally installed on the connecting rod will fall into the collection box because of losing the effect of the electromagnet attraction. After the dismantling of the old radioactive source is completed, the first power mechanism is started, the first telescopic rod is extended, and the connecting ball is pressed down. Due to the limiting effect of the first through hole, the rotating rod rotates, driving the supporting rod to displace, supporting The rod moves, and the rotating plate is jacked up. The lower end of the connecting rod at the lower end of the rotating rod extends out of the radiation box. An electromagnet is set on the lower end of the connecting rod. , push the radioactive source box to the lower end of the connecting rod through the support plate, and the radioactive source box is provided with an iron sheet, and under the action of magnetic force, the connecting rod is connected with the radioactive source box, and on the fixed bar, due to the action of the spring, the pressing plate The pressure rod moves upward to reset, driving the rotating rod to reset, and the radioactive source box enters the radioactive chamber along with the rotating rod, which realizes the automatic installation and replacement of the logging radioactive source. High practical value.

In an optional embodiment, the top of the storage member 23 is provided with a cover plate 30 for closing the open bin 24 , and the cover plate 30 is rotatably disposed on the storage member 23 .

It should be noted that the top of the storage part is provided with a cover plate for closing the open compartment, which seals the storage compartment, prevents radiation leakage from the radioactive source, and ensures the safety of the staff.

In an optional embodiment, a plurality of reinforcing pieces 31 are arranged outside the device box 1 .

It should be noted that a plurality of reinforcements are provided outside the device box to facilitate installation and fixing of the device during actual use.

In an optional embodiment, a radiation-proof layer is arranged on the device case 1 .

It should be noted that a radiation-proof layer is provided on the device box to prevent leakage of radiation from the radioactive source and improve the practicability of the device.

In an optional embodiment, a radioactive laser mark is arranged outside the device box 1 .

It should be noted that a radioactive laser mark is set outside the device box to warn other personnel that the device is dangerous.

It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and not to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention shall fall within the protection scope of the present invention. Furthermore, it is intended that the appended claims of the present invention embrace all changes and modifications that come within the scope and metesques of the appended claims, or equivalents of such scope and metes and bounds.

Claims (5)

1. The automatic installation and replacement device for the logging radioactive source is characterized by comprising a device box (1); a device bin (2) is arranged in the device box (1); the device box (1) comprises a radiation box (3), a support plate (20) and a storage part (23); the radiation box (3) and the support plate (20) are arranged at the bottom of the device bin (2); the storage member (23) is disposed on top of the support plate (20);

a radiation bin (4) is arranged in the radiation box (3); the radiation box (3) comprises a collection box (7), a fixed rod (8), a first telescopic rod (9), a spring part (11), a pressing plate (12), a pressing rod (13), a connecting ball (14), a rotating rod (15), a radiation source box (19), a connecting rod (17) and a supporting rod (32); the collecting box (7) is arranged at the bottom of the radiation bin (4); an upper piece hole (6) for replacing the radiation source box (19) is arranged on the radiation box (3); a rotating plate (5) for closing the upper piece hole (6) is arranged on the radiation box (3); the rotating plate (5) is rotatably arranged at the position of the upper piece hole (6); the fixed rod (8) is vertically arranged in the radiation bin (4); an opening bin (24) with an upward opening is vertically arranged on the fixed rod (8); the spring element (11) is arranged at the bottom of the opening bin (24); the pressing plate (12) is arranged at the top of the spring piece (11); the compression bar (13) is vertically arranged at the top of the pressure plate (12); the connecting ball (14) is arranged at the top of the pressure lever (13); a first through hole (16) for inserting the rotating rod (15) is formed in the fixing rod (8); one end of the rotating rod (15) is inserted into the first through hole (16) and is rotatably arranged on the connecting ball (14); one end of the supporting rod (32) is arranged on the rotating rod (15), and the other end of the supporting rod (32) is arranged in contact with the rotating plate (5); one end of the connecting rod (17) is connected with the other end of the rotating rod (15), and the other end of the connecting rod (17) is magnetically connected with the radioactive source box (19) under the action of magnetic force; the connecting rod (17) is provided with an electromagnet (18); an iron sheet (21) is arranged on the radioactive source box (19); the connecting rod (17) and the radioactive source box (19) are connected through the electromagnet (18) and the iron sheet (21); the first telescopic rod (9) is vertically arranged, and the lower end of the first telescopic rod (9) is arranged in the opening bin (24); a first power mechanism (10) for driving the first telescopic rod (9) to do telescopic motion is arranged on the device box (1);

a storage bin (25) with an upward opening is arranged on the storage piece (23); the storage piece (23) comprises a plurality of radioactive source boxes (19) and a second telescopic rod (27); a plurality of radiation source boxes (19) are vertically arranged in the storage bin (25); a second through hole (26) for inserting a second telescopic rod (27) is formed in the storage piece (23); the second telescopic rod (27) is horizontally arranged, and one end of the second telescopic rod (27) is inserted into the second through hole (26); a second power mechanism (28) for driving a second telescopic rod (27) to do telescopic motion is arranged on the storage piece (23); a third through hole (29) for the radiation source box (19) to pass through is arranged on the storage piece (23); the third through hole (29) and the second through hole (26) are arranged in the same horizontal line; a sliding groove (22) for the radiation source box (19) to slide is arranged on the supporting plate (20);

when the radioactive source needs to be replaced, the electromagnet (18) on the device is powered off, and at the moment, the radioactive source box (19) arranged on the connecting rod (17) loses the action of the attraction of the electromagnet (18) and falls into the collection box (7); after the old radioactive source is disassembled, a first power mechanism (10) is started, a first telescopic rod (9) is extended, a connecting ball (14) is pressed downwards, due to the limiting effect of a first through hole (16), a rotary rod (15) rotates and drives a support rod (32) to move to jack up a rotary plate (5), a connecting rod (17) at the lower end of the rotary rod (15) extends out of a radiation box (3), an electromagnet (18) is in a power-on state at the moment, a second telescopic rod (27) on a storage piece (23) moves to push the radiation source box (19) to the lower end of the connecting rod (17) through a support plate (20), an iron sheet (21) is arranged on the radiation source box (19), under the action of magnetic force, the connecting rod (17) is connected with the radiation source box (19), on a fixed rod (8), due to the action of a spring piece (11), a pressing plate (12) and a pressing rod (13) upwards perform reset movement to drive the rotary rod (15) to reset, the radiation source box (19) enters a radiation bin (4), and automatic installation and replacement of a radioactive source are realized.

2. An automatic installation and replacement device for a logging radiation source according to claim 1, characterized in that a cover plate (30) for closing the open bin (24) is arranged at the top of the storage member (23), and the cover plate (30) is rotatably arranged on the storage member (23).

3. An automatic installation and replacement device for a logging radioactive source according to claim 1, characterized in that a plurality of reinforcement members (31) are provided outside the device box (1).

4. The automatic installation and replacement device for the logging radioactive source according to claim 1, wherein a radiation protection layer is arranged on the device box (1).

5. The automatic installation and replacement device for the logging radioactive source according to claim 1, wherein a radioactive object laser marker is arranged outside the device box (1).

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