Lifting adjusting mechanism for DEE plate of cyclotron

Abstract

A lifting adjusting mechanism for a DEE plate of a cyclotron comprises a supporting assembly and a height adjusting assembly installed on the supporting assembly, the height adjusting assembly comprises a pair of hand-operated lead screw lifters, rotating shafts of the two hand-operated lead screw lifters are connected with couplings respectively, the two couplings are connected to the two ends of the same transmission rod respectively, and the two couplings are connected to the two ends of the same transmission rod respectively. A supporting disc is arranged on the top of a lifting shaft of the hand-operated lead screw lifting machine, and a horizontal adjusting assembly is installed above the supporting disc. According to the lifting adjusting mechanism for the DEE plate of the cyclotron, the height and the horizontal position of the accelerator plate can be adjusted, fine adjustment of the fine size can be achieved, manual operation can be conducted by a single person, the installation process of the accelerator plate is simplified, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of accelerators, in particular to a DEE plate lifting adjusting mechanism of a cyclotron. BACKGROUND

[0002] The DEE plate is an important component of a resonant cavity of a cyclotron, the resonant cavity is used for generating an accelerating electric field of the cyclotron, and is an important component in the cyclotron. Since the electric field structure has a great influence on the accelerating motion of particles, the installation precision of the DEE plate is required to be high, and the consistency is required to be good.

[0003] Since the resonant cavity is located in the upper half of the accelerator, the DEE plate needs to be installed on the upper magnetic pole. Since the space between the two magnetic poles is narrow after the accelerator is opened, the overall length of the DEE plate exceeds 1m, the overall weight is heavy, the traditional installation mode needs 4-5 installers to operate simultaneously, and the overall DEE plate cannot be guaranteed to be kept horizontal during installation; the installation is a pure manual operation, a large amount of manpower is required, the time is long, the overall assembly and debugging time is greatly prolonged, and after installation, the overall consistency is difficult to guarantee, which greatly influences the beam quality of the subsequent accelerator operation. SUMMARY

[0004] In order to overcome the defects in the prior art, the application discloses a DEE plate lifting adjusting mechanism of a cyclotron.

[0005] The DEE plate lifting adjusting mechanism of the cyclotron comprises a support assembly, a height adjusting assembly installed on the support assembly, the height adjusting assembly comprises a pair of hand-operated screw rod elevators, the rotating shafts of the two hand-operated screw rod elevators are respectively connected with one coupling, the two couplings are respectively connected at the two ends of the same transmission rod, the lifting shaft of the hand-operated screw rod elevator is provided with a support disc at the top, and a horizontal adjusting assembly is installed above the support disc.

[0006] Preferably, the support assembly comprises a bottom plate and two support cylinders located on the bottom plate, one hand-operated screw rod elevator is fixed on each support cylinder.

[0007] Preferably, the horizontal adjusting assembly comprises a top plate located above the support disc, a rectangular frame is arranged on the top plate, and a horizontal adjusting mechanism is arranged on the frame.

[0008] Preferably, the horizontal adjusting mechanism comprises screw holes arranged around the frame, and horizontal bolts pointing to the frame are fixed in the screw holes.

[0009] Preferably, the top plate comprises two frame plates, one frame is arranged on each frame plate, and the two frame plates are connected through a connecting plate.

[0010] The cyclotron DEE plate lifting and adjusting mechanism of the present invention can adjust the height and horizontal position of the accelerator plate and can achieve fine-tuning of the dimensions. It can be manually operated by a single person, which simplifies the accelerator plate installation process and improves installation efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of a specific embodiment of the cyclotron DEE plate lifting and adjusting mechanism described in this invention; Figure 2 This is a schematic diagram of a specific embodiment of the support component described in this invention; Figure 3 This is a schematic diagram of a specific embodiment of the height adjustment component described in this invention; Figure 4 This is a schematic diagram of a specific embodiment of the horizontal adjustment component described in this invention; The attached figures are labeled as follows: 1-Support assembly, 2-Height adjustment assembly, 3-Level adjustment assembly, 11-Base plate, 12-Support cylinder, 21-Hand-cranked screw jack, 22-Coupling, 23-Transmission rod, 24-Hand-cranked turntable, 25-Support plate, 26-Rotating shaft, 27-Lifting shaft, 31-Top plate, 32-Frame, 33-Connecting plate, 34-Horizontal bolt. Detailed Implementation

[0012] The present invention will be further described in detail below with reference to the embodiments, but the present invention is not limited to the following embodiments: The cyclotron DEE plate lifting and adjusting mechanism described in this invention, such as Figure 1 and Figure 3 As shown, it includes a support assembly 1 and a height adjustment assembly 2 mounted on the support assembly 1. The height adjustment assembly 2 includes a pair of hand-cranked screw jacks 21. The rotating shafts 26 of the two hand-cranked screw jacks 21 are respectively connected to a coupling 22. The two couplings 22 are respectively connected to the two ends of the same transmission rod 23. A support plate 25 is provided on the top of the lifting shaft 27 of the hand-cranked screw jacks 21. A horizontal adjustment assembly 3 is installed above the support plate.

[0013] like Figure 3 As shown, when adjusting the height, the operator manually cranks the hand crank turntable 24 of one of the hand-cranked screw jacks. The rotation of the hand crank turntable drives the lifting shaft 27 to rise and fall, while simultaneously causing the rotating shaft 26 to rotate. The rotating shaft, through the synchronous transmission of the coupling 22 and the transmission rod 23, drives the rotating shaft of the other hand-cranked screw jack to rotate. The rotating shafts of the two hand-cranked screw jacks rotate at the same speed, so that the lifting shafts 27 of the two hand-cranked screw jacks rise and fall synchronously, thereby driving the horizontal adjustment assembly 3 supported by the support plate to achieve overall height adjustment.

[0014] Hand-operated screw rod elevator is the prior art in the field, through hand-operated rotating disc, rotation of rotating shaft is realized through internal screw rod and gear cooperation, height of lifting shaft is lifted, mature products can be purchased on the market, coupling and rotating shaft are needed to be added in the application to realize synchronous lifting of lifting shafts of two hand-operated screw rod elevators; in order to better support horizontal adjustment assembly, support disc 25 is arranged at the top of lifting shaft.

[0015] Figure 2 In the specific embodiment shown, the support assembly 1 comprises a bottom plate 11 and two support cylinders 12 located on the bottom plate, one hand-operated screw rod elevator is fixed on each support cylinder 12, the installation height of the hand-operated screw rod elevator can be improved through the support cylinder, which is suitable for the installation position of the accelerator plate.

[0016] Figure 4 In the specific embodiment shown, the horizontal adjustment assembly comprises a top plate 31 located above the support disc, a rectangular frame 32 is arranged on the top plate, a horizontal adjustment mechanism is arranged on the frame, the frame is used to fix the accelerator plate for installation, and the position of the frame in the horizontal direction is adjusted through the horizontal adjustment mechanism. One specific implementation of the horizontal adjustment mechanism comprises screw holes arranged around the frame, horizontal bolts 34 pointing to the frame are fixed in the screw holes, rotating the horizontal bolts 34 makes the horizontal bolts screw into the boundary of the frame, pushing the frame 32 as a whole to move in the corresponding direction, adjusting the horizontal bolts in different directions can realize the horizontal position adjustment of the frame in a manual manner, and the screwing of the bolts facilitates the fine adjustment of the horizontal displacement. Figure 4 In the specific embodiment shown, two horizontal bolts are arranged on each side of the rectangular frame.

[0017] Figure 4 In the specific embodiment shown, the top plate comprises two frame plates, one frame 32 is arranged on each frame plate, and the two frame plates are connected through a connecting plate 33, so that two accelerator plates can be installed.

[0018] The cyclotron DEE plate lifting and adjusting mechanism can adjust the height and horizontal position of the accelerator plate, and can realize fine adjustment of fine size, a single person can manually operate, simplifies the installation process of the accelerator plate, and improves the installation efficiency.

[0019] The above is a further detailed description of the application in combination with the specific preferred embodiments, and the specific embodiments of the application cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the application belongs, other embodiments obtained without departing from the technical solutions of the application should be included in the protection scope of the application.

Claims

1. A lifting and adjusting mechanism for a DEE plate of a cyclotron accelerator, characterized in that, The system includes a support assembly (1) and a height adjustment assembly (2) mounted on the support assembly. The height adjustment assembly (2) includes a pair of hand-cranked screw jacks (21). The shafts (26) of the two hand-cranked screw jacks are respectively connected to a coupling (22). The two couplings (22) are respectively connected to the two ends of the same transmission rod (23). A support plate (25) is provided on the top of the lifting shaft (27) of the hand-cranked screw jack (21). A horizontal adjustment assembly (3) is installed above the support plate.

2. The cyclotron DEE plate lifting and adjusting mechanism according to claim 1, characterized in that, The support assembly includes a base plate (11) and two support cylinders (12) located on the base plate (11), each of which is fixed with a hand-cranked screw jack (21).

3. The cyclotron DEE plate lifting and adjusting mechanism according to claim 1, characterized in that, The horizontal adjustment assembly includes a top plate (31) located above the support plate, a rectangular frame (32) provided on the top plate, and a horizontal adjustment mechanism provided on the frame.

4. The cyclotron DEE plate lifting and adjusting mechanism according to claim 3, characterized in that, The horizontal adjustment mechanism includes screw holes around the perimeter of the frame (32), and horizontal bolts (34) pointing towards the frame are fixed in the screw holes.

5. The cyclotron DEE plate lifting and adjusting mechanism according to claim 3, characterized in that, The top plate includes two frame plates, each frame plate is provided with a frame (32), and the two frame plates are connected by a connecting plate (33).

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