Oil injection and exhaust device of linear accelerator bulb tube

Abstract

The utility model relates to an oil injection exhaust device of a linear accelerator bulb tube, which comprises a vacuum box body, a vacuum pump and an oil injection box, the vacuum box body is provided with a vacuum box door and a vacuum reading meter, the vacuum pump is communicated with the vacuum box body through a vacuum pipeline, and a vacuum valve is arranged on the vacuum pipeline. The oil injection tank is communicated with the vacuum box body through an oil injection pipe, an oil pipe valve is arranged on the oil injection pipe, a mounting seat used for mounting a linear accelerator bulb tube is further arranged in the vacuum box body, and one end of the oil injection pipe directly faces the mounting seat. Compared with the prior art, the utility model has the advantages of long service life, safety, reliability, wide application range, convenience in maintenance and the like.

Description

Technical Field

[0001] The utility model relates to the field of linear accelerator structures, in particular to an oil filling and exhaust device for a linear accelerator tube. Background Art

[0002] At present, there are more and more medical linear accelerators, and the accuracy requirements are getting higher and higher. High-precision radiotherapy is required, which is inseparable from CBCT verification. CBCT verification involves the use of the tube, which is a very expensive spare part. During long-term use, the tube may ignite, leak, or fail, causing the tube to be unusable, and the only option is to replace it with a new one. This will increase the cost of use for the hospital. Tube ignition is generally caused by air entering the tube, resulting in high-pressure ignition, and oil leakage also requires refilling, exhausting, and sealing.

[0003] In this regard, the utility model with publication number CN218782999U discloses a ball tube exhaust device, including: an oil filling platform, a ball tube fixing splint, an oil filling platform bracket and a rotating drive mechanism, wherein the oil filling platform is rotatably arranged on the oil filling platform bracket; the rotating drive mechanism is connected to the oil filling platform, and is used to drive the oil filling platform to rotate; and the ball tube fixing splint is arranged above the oil filling platform, and is used to fix the ball tube on the oil filling platform.

[0004] This solution rotates the rotary drive mechanism to drive the oil filling platform to swing back and forth on the oil filling platform bracket, so as to remove bubbles when the ball tube is filled with oil, but it still cannot ensure that air does not enter the ball tube. Utility Model Content

[0005] The utility model aims to provide an oil filling and exhaust device for a linear accelerator tube in order to overcome the defects of the prior art that the tube leaks oil and needs to be re-filled with oil, exhausted and then sealed, and air easily enters the inside of the tube during re-filling with oil.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An oil filling and exhaust device for a linear accelerator tube comprises a vacuum box, a vacuum pump and an oil filling box, wherein the vacuum box is provided with a vacuum box door and a vacuum reading meter, the vacuum pump is connected to the vacuum box through a vacuum pipeline, the vacuum pipeline is provided with a vacuum valve, the oil filling box is connected to the vacuum box through an oil filling pipe, the oil filling pipe is provided with an oil pipe valve, a mounting seat for mounting the linear accelerator tube is also provided in the vacuum box, and one end of the oil filling pipe faces the mounting seat.

[0008] Furthermore, one side of the vacuum box door can be rotatably connected to the vacuum box body, and the other side can be detachably connected to the vacuum box body.

[0009] Furthermore, the vacuum box door is detachably connected to the vacuum box body via a locking bolt.

[0010] Furthermore, the vacuum box door is rotatably connected to the vacuum box body via a hinge.

[0011] Furthermore, a door handle is provided on the vacuum box door.

[0012] Furthermore, a glass observation window is provided on the vacuum box door, and the glass observation window faces the mounting seat.

[0013] Furthermore, a moving wheel is provided at the bottom of the vacuum box.

[0014] Furthermore, the oil filling port of the linear accelerator tube mounted on the mounting seat faces upward, and one end of the oil filling pipe is connected to the oil filling port from top to bottom.

[0015] Furthermore, the oil filling box is filled with high-voltage insulating oil.

[0016] Furthermore, the linear accelerator tube is a tube of a medical linear accelerator.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] (1) This solution can provide a vacuum environment for oil injection for the tube of the linear accelerator in the vacuum box, and then slowly inject oil into the tube through the oil injection pipe until the tube is filled with high-voltage insulating oil. The device can ensure that the tube does not enter the control, so as to meet the high-precision requirements of the medical linear accelerator.

[0019] (2) Long service life: This device can be used repeatedly for a long time.

[0020] (3) Safe and reliable: This device has high safety and reliability.

[0021] (4) Wide range of applications: This device is suitable for CBCT tubes and can also be used for exhausting small high-pressure oil tanks.

[0022] (5) Easy maintenance: The device is easy to use and simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an oil filling and exhaust device for a linear accelerator tube provided in an embodiment of the utility model;

[0024] In the figure, 1. vacuum box body, 2. vacuum box door, 3. moving wheel, 4. locking bolt, 5. door handle, 6. vacuum pipe, 7. vacuum valve, 8. vacuum pump, 9. vacuum reading meter, 10. oil filling pipe, 11. oil pipe valve, 12. oil filling box, 13. glass observation window. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0029] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] Example 1

[0032] like Figure 1As shown, this embodiment provides an oil filling and exhaust device for a linear accelerator tube, comprising a vacuum box 1, a vacuum pump 8 and an oil filling box 12. The vacuum box 1 is provided with a vacuum box door 2 and a vacuum reading meter 9. The vacuum pump 8 is connected to the vacuum box 1 through a vacuum pipe 6. The vacuum pipe 6 is provided with a vacuum valve 7. The oil filling box 12 is connected to the vacuum box 1 through an oil filling pipe 10. The oil filling pipe 10 is provided with an oil pipe valve 11. A mounting seat for mounting the linear accelerator tube is also provided in the vacuum box 1, and one end of the oil filling pipe 10 is directly opposite to the mounting seat.

[0033] The vacuum box door 2 can be opened and closed to connect to the vacuum box body 1 and can ensure sealing performance with the vacuum box body 1. Optionally, one side of the vacuum box door 2 can be rotatably connected to the vacuum box body 1, and the other side can be detachably connected to the vacuum box body 1.

[0034] To ensure the sealing performance between the vacuum box door 2 and the vacuum box body 1, the vacuum box door 2 is detachably connected to the vacuum box body 1 through a locking bolt 4. In this embodiment, a locking bolt 4 connected to the vacuum box body 1 is provided at the upper and lower ends of the vacuum box door 2 respectively.

[0035] In order to facilitate the rotation of the vacuum box door 2, the vacuum box door 2 is rotatably connected to the vacuum box body 1 through a hinge.

[0036] In order to facilitate opening of the vacuum box door 2, a door handle 5 is provided on the vacuum box door 2. In this embodiment, the door handle 5 is located in the middle of the end of the vacuum box door 2 at the far end of the rotation.

[0037] Preferably, a glass observation window 13 is provided on the vacuum box door 2 , and the glass observation window 13 faces the mounting seat, so that the staff can observe the oil filling condition of the linear accelerator tube in the vacuum box 1 through the glass observation window 13 .

[0038] High voltage insulating oil is filled in the oil filling box 12. Preferably, the oil filling port of the linear accelerator tube mounted on the mounting seat faces upward, and the oil filling pipe 10 is connected to the oil filling port from the top of the vacuum box 1 from top to bottom, which is convenient for oil filling.

[0039] Preferably, a moving wheel 3 is provided at the bottom of the vacuum box 1 to facilitate moving the position of the vacuum box 1.

[0040] The linear accelerator tube is a tube of a medical linear accelerator, which is adapted to the high-precision requirements of medical linear accelerators.

[0041] Working principle:

[0042] 1. Open the faulty CBCT tube, remove the internal oil, and then place it in the device with the oil filling port facing upwards. Align the oil filling pipe 10 in the vacuum box 1 with the oil filling port of the tube, close the vacuum box door 2, and lock the vacuum box door 2 by tightening the bolt 4 to keep the vacuum box in a closed environment. At the same time, fill the oil filling tank 12 with the high-voltage insulating oil required by the tube.

[0043] 2. Close the oil pipe valve 11, open the vacuum valve 7, and start the vacuum pump 8. Start to evacuate the air in the vacuum box. When the vacuum reading meter 9 reaches a certain value, the vacuum valve 7 is half closed, and then slowly open the oil pipe valve 11 to allow the high-voltage insulating oil in the oil filling tank 12 to slowly flow into the bulb. Through the glass observation window 13, observe whether the bulb filling port is filled with high-voltage insulating oil.

[0044] 3. After the oil is filled, close the oil pipe valve 11, turn off the vacuum pump 8, and close the vacuum valve 7. After standing for two hours, slowly open the vacuum box door 2. Install the bulb shell.

[0045] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An oil filling and exhaust device for a linear accelerator tube, characterized in that: The invention comprises a vacuum box (1), a vacuum pump (8) and an oil filling box (12); the vacuum box (1) is provided with a vacuum box door (2) and a vacuum reading meter (9); the vacuum pump (8) is connected to the vacuum box (1) via a vacuum pipe (6); the vacuum pipe (6) is provided with a vacuum valve (7); the oil filling box (12) is connected to the vacuum box (1) via an oil filling pipe (10); the oil filling pipe (10) is provided with an oil pipe valve (11); a mounting seat for mounting a linear accelerator tube is also provided in the vacuum box (1); one end of the oil filling pipe (10) faces the mounting seat.

2. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: One side of the vacuum box door (2) is rotatably connected to the vacuum box body (1), and the other side is detachably connected to the vacuum box body (1).

3. The oil filling and exhaust device for a linear accelerator tube according to claim 2, characterized in that: The vacuum box door (2) is detachably connected to the vacuum box body (1) via a locking bolt (4).

4. The oil filling and exhaust device for a linear accelerator tube according to claim 2, characterized in that: The vacuum box door (2) is rotatably connected to the vacuum box body (1) via a hinge.

5. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: The vacuum box door (2) is provided with a door handle (5).

6. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: The vacuum box door (2) is provided with a glass observation window (13), and the glass observation window (13) is directly opposite to the mounting seat.

7. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: The bottom of the vacuum box (1) is provided with moving wheels (3).

8. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: The oil filling port of the linear accelerator tube mounted on the mounting seat faces upward, and one end of the oil filling pipe (10) is connected to the oil filling port from top to bottom.

9. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: The oil filling box (12) is filled with high-voltage insulating oil.

10. The oil filling and exhaust device for a linear accelerator tube according to claim 1, characterized in that: The linear accelerator tube is a tube of a medical linear accelerator.

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