Beam intensity adjusting device

Abstract

The utility model discloses a beam intensity adjusting device which comprises an adjusting assembly and a driving assembly, the adjusting assembly comprises a mounting rack, two adjusting cores and two adjusting seats, and the adjusting cores are rotatably connected to the adjusting seats; a plurality of adjusting parts are arranged in the circumferential direction of the adjusting core, and the adjusting parts of the two adjusting cores are used for being matched with each other after rotating to form a beam hole; the at least one adjusting seat is mounted on the mounting frame in a floatable manner so as to guide the adjusting core to float during rotation; the driving assembly is used for driving the adjusting core to rotate. The beam intensity adjusting device can automatically drive the adjusting core to float away from the other adjusting core through the floatable adjusting seat after the adjusting core is heated and expanded, so that the two adjusting cores can still keep clearance fit after working for a long time, and transmission jamming is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of beam regulation of a linear accelerator, in particular to a beam intensity regulating device. Background Art

[0002] CiADS, short for the Chinese Accelerator Driven Transmutation System, utilizes a combination of a superconducting linear accelerator, a high-power spallation target, and a subcritical reactor to drive the subcritical reactor and transmute long-lived, highly radioactive nuclides into short-lived or stable radionuclides.

[0003] The superconducting linear accelerator consists of a proton source, a low-energy transmission line, a radio frequency quadrupole system (RFQ), a medium-energy transmission line, a superconducting acceleration section, a high-energy transmission line, and a beam collection terminal. To meet diverse experimental and application requirements, the proton beam in the CiADS system must be continuously adjustable online. Currently, two beam limiting methods exist: 1. Beam intensity control technology based on an adjustable aperture; 2. Automatic beam intensity control technology based on a proportional-integral-derivative (PID) controller.

[0004] Specifically, the adjustable aperture-based beam intensity control technology involves developing a continuously adjustable circular aperture in the low-energy transmission section. Two rotating shafts form a beam-limiting aperture along the beam centerline, and the aperture of the beam-limiting aperture can be adjusted as the shafts rotate. The beam-limiting aperture can be used to control the intensity and shape of the particle beam entering the acceleration section, enabling continuous adjustment of the beam intensity at the entrance of the RFQ accelerator. However, over time, the shafts in the adjustable circular aperture beam-limiting aperture expand due to heat, which can easily cause the transmission to jam, making it impossible to adjust the beam intensity.

[0005] Therefore, there is an urgent need for a beam intensity adjustment device to overcome the above-mentioned defects. Utility Model Content

[0006] In order to overcome at least one of the defects described in the above-mentioned prior art, the utility model provides a beam intensity adjustment device, which can automatically drive the adjustment core to float away from another adjustment core through a floating adjustment seat after the adjustment core expands due to heat, thereby achieving that the two adjustment cores can still maintain clearance fit after long-term operation, preventing transmission jamming.

[0007] The technical solution adopted by the present invention to solve the problem is:

[0008] A beam intensity adjustment device includes an adjustment assembly, including a mounting frame, two adjustment cores, and two adjustment seats, wherein the adjustment cores are rotatably connected to the adjustment seats; a plurality of adjustment portions are provided on the circumference of the adjustment cores, and the adjustment portions of the two adjustment cores are configured to cooperate with each other to form a beam aperture after rotation; at least one of the adjustment seats is buoyantly mounted on the mounting frame to guide the adjustment core to float during rotation;

[0009] A driving assembly is used to drive the adjusting core to rotate.

[0010] Furthermore, the two adjustment seats are respectively a first adjustment seat and a second adjustment seat, the first adjustment seat is fixedly connected to the mounting frame, and the second adjustment seat can be floatingly mounted on the first adjustment seat.

[0011] Furthermore, the adjustment component includes a floating component, and the floating component includes a connecting column and an elastic member. The lower end of the connecting column passes through the second adjustment seat and is fixedly connected to the first adjustment seat. The elastic member is arranged between the upper end of the connecting column and the second adjustment seat. The elastic member is used to provide an elastic force to drive the second adjustment seat to move closer to the first adjustment seat; the second adjustment seat is used to compress the elastic member under the action of external force and move away from the first adjustment seat.

[0012] Furthermore, a first rotating hole is provided on the first adjusting seat, a second rotating hole is provided on the second adjusting seat, and shaft sleeves are provided in both the first rotating hole and the second rotating hole; one of the adjusting cores is rotatably connected to the shaft sleeve in the first rotating hole, and the other adjusting core is rotatably connected to the shaft sleeve in the second rotating hole.

[0013] Furthermore, one end of the two adjusting cores is respectively rotatably connected to the first adjusting seat and the second adjusting seat, and the other end of the two adjusting cores is respectively connected to one end of a transmission shaft; a water pipe is provided in the transmission shaft, and the end of the transmission shaft away from the adjusting core is connected to a pipe joint; a water channel hole is provided in the adjusting core, one end of the water pipe extends into the water channel hole, and the other end of the water pipe is connected to the pipe joint; the pipe joint is rotatably connected to the transmission shaft.

[0014] Furthermore, a movable seal is provided between the pipe joint and the transmission shaft.

[0015] Furthermore, the drive assembly includes a motor, a first transmission member, and a second transmission member. The motor drives one of the transmission shafts to rotate through the first transmission member, and the transmission shaft drives the other transmission shaft to rotate synchronously in the opposite direction through the second transmission member.

[0016] Furthermore, a bearing seat is provided between the first transmission member and the second transmission member, and the bearing seat is fixedly connected to the mounting frame; the transmission shaft is rotatably connected to the bearing seat.

[0017] Furthermore, one of the transmission shafts is a first transmission shaft, and the other transmission shaft is a second transmission shaft;

[0018] The first transmission member includes a synchronous wheel, a synchronous belt and a driven wheel. The motor drives the synchronous wheel to rotate. The synchronous wheel drives the driven wheel to rotate through the synchronous belt. The driven wheel drives the first transmission shaft to rotate.

[0019] The second transmission member includes a first gear and a second gear, the first gear and the second gear have the same number of teeth, and the two are engaged with each other; the first transmission shaft is used to drive the first gear to rotate during the rotation process, the first gear is used to drive the second gear to rotate during the rotation process, and the second gear is used to drive the second transmission shaft to rotate during the rotation process.

[0020] Furthermore, a sensor is provided on the bearing seat, and a detection piece is provided on the second transmission shaft. The second transmission shaft is used to drive the detection piece to rotate, and the detection piece is used to trigger the sensor during the rotation process so that the sensor outputs a start-stop signal.

[0021] In summary, the beam intensity adjustment device provided by the present invention has the following technical effects:

[0022] The utility model uses a drive assembly to drive two adjusting cores to rotate synchronously in opposite directions, so that different adjustment parts on the two adjusting cores cooperate to form beam holes of different apertures, achieving precise adjustment of beam intensity. After long-term operation, the adjusting cores expand due to heat, and can float relative to the mounting frame through the adjustment seat, thereby driving the adjusting core to move away from the other adjusting core, ensuring a clear fit between the two adjusting cores and preventing transmission jamming. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the beam intensity adjustment device according to an embodiment of the present utility model;

[0024] Figure 2 This is a schematic diagram of the assembly structure of the adjustment core and the transmission shaft according to an embodiment of the present utility model;

[0025] Figure 3 A top view of a beam intensity adjustment device according to an embodiment of the present invention;

[0026] Figure 4 A longitudinal cross-sectional diagram of a beam intensity adjustment device according to an embodiment of the present invention;

[0027] Figure 5 A longitudinal cross-sectional schematic diagram of an adjustment seat according to an embodiment of the present utility model;

[0028] Figure 6 This is a schematic diagram of the three-dimensional structure of the driving assembly of an embodiment of the utility model;

[0029] Figure 7 for Figure 6 A structural diagram from another perspective;

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the adjustment seat according to an embodiment of the utility model.

[0031] The meanings of the reference numerals are as follows:

[0032] 1. Mounting frame; 11. Adjusting core; 111. Waterway hole; 112. Bushing; 12. Adjusting portion; 13. Beam hole; 14. First adjusting seat; 141. First rotating hole; 142. Fixing hole; 143. Connecting hole; 144. First connecting pin; 145. Second connecting pin; 15. Second adjusting seat; 151. Second rotating hole; 16. Connecting column; 161. Connecting section; 162. Adjusting section; 163. Abutting section; 17. Elastic member; 18. Pipe joint; 19. Drive shaft ;190, water pipe;191, first transmission shaft;192, second transmission shaft;193, detection piece;2, motor;21, first transmission member;211, synchronous wheel;212, synchronous belt;213, driven wheel;214, second fixed member;22, second transmission member;221, first gear;222, second gear;223, first fixed member;23, bearing seat;231, sensor;232, bearing;24, flange;241, seal;25, motor output shaft. DETAILED DESCRIPTION

[0033] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention 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. Therefore, they cannot be understood as limiting the present invention.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0036] See Figure 1 The utility model discloses a beam intensity adjustment device, which includes an adjustment component and a drive component. Specifically, the adjustment component includes a mounting frame 1, two adjustment cores 11 and two adjustment seats, and the adjustment cores 11 are rotatably connected to the adjustment seats. Figure 2 The adjusting core 11 is provided with a plurality of adjusting portions 12 along its circumference. The adjusting portions 12 of two adjusting cores 11 cooperate with each other to form a beam aperture 13 after rotation. At least one adjusting seat can be floatingly mounted on the mounting frame 1 to guide the adjusting core 11 to float during rotation. Furthermore, a drive assembly is used to drive the adjusting core 11 to rotate.

[0037] Based on this structure, when using the beam intensity adjustment device of the present invention, the two adjustment cores 11 can be arranged parallel and spaced apart during assembly, and the center of the beam hole 13 formed by the adjustment portions 12 of the two adjustment cores 11 can be positioned on the beam centerline. The two adjustment cores 11 are rotatably connected to the two adjustment seats.

[0038] During use, the drive assembly drives the two adjustment cores 11 to rotate synchronously in opposite directions, so that the different adjustment portions 12 on the two adjustment cores 11 cooperate to form beam holes 13 of different apertures. Because at least one adjustment seat can be floatingly mounted on the mounting frame 1, the spacing between the two adjustment cores 11 can be adjusted. By floating the adjustment seat relative to the mounting frame 1, the two adjustment cores 11 are driven to move away from each other, so that the two adjustment cores 11 maintain a clearance fit.

[0039] It should be noted that since the adjustment parts 12 on the two adjustment cores 11 can cooperate with each other to form the beam hole 13, if the distance between the two adjustment cores 11 is too large, the beam hole 13 formed by the two adjustment cores 11 during the rotation process may not be accurate enough. The diameter and shape of the beam hole 13 may fluctuate due to the large distance, thereby affecting the stability of the beam.

[0040] Therefore, to ensure the accuracy of the beam aperture 13, the spacing between the two adjusting cores 11 is generally set relatively small. However, the adjusting cores 11 are prone to thermal expansion after long-term operation. This expansion causes the clearance fit between the two adjusting cores 11 to become an interference fit, which in turn causes the two adjusting cores 11 to collide or rub against each other during counter-rotation, easily leading to transmission jamming or mechanical damage.

[0041] To address the above-mentioned issues, the present application connects two adjustment cores 11 to two adjustment seats, respectively, and at least one adjustment seat can be floatably disposed on the mounting frame 1. Specifically, a guide groove or guide rail can be provided on the mounting frame 1, and the adjustment seat can slide freely in the guide groove or guide rail. When the adjustment core 11 expands due to heat, the adjustment seat moves along the guide groove or guide rail, thereby adjusting the spacing between the two adjustment cores 11. This ensures that the movement of the adjustment seat is directional and controlled, ensuring the accuracy and stability of the floating.

[0042] As the adjustment core 11 expands due to heat, the adjustment seat automatically causes the adjustment core 11 to float away from the other adjustment core 11. This ensures that the two adjustment cores 11 maintain a clearance fit even after prolonged operation, allowing the adjustment cores 11 to precisely rotate to the desired angle, improving transmission reliability. Furthermore, the adjustment seat's floating range is controllable, so after the adjustment seat causes the adjustment core 11 to float, the distance between the two adjustment cores 11 remains within a relatively small range, ensuring the accuracy of the beam aperture 13 formed by the two adjustment cores 11 and, in turn, ensuring the precision of beam intensity adjustment.

[0043] Furthermore, the adjustment core 11 specifically comprises a cylindrical rotating body, with several adjustment sections 12 formed as a series of semi-lunar grooves. When the two adjustment cores 11 rotate relative to each other, the semi-lunar grooves on the two adjustment cores 11 combine to form a circular beam aperture 13, the diameter of which changes with the rotation angle of the adjustment cores 11, thereby adjusting the beam intensity. By adjusting the aperture of the beam aperture 13, the proton beam can be precisely controlled, improving the efficiency and stability of the accelerator.

[0044] Further, see Figure 3 and Figure 5 The two adjustment seats are a first adjustment seat 14 and a second adjustment seat 15 . Specifically, the first adjustment seat 14 is fixedly connected to the mounting frame 1 , and the second adjustment seat 15 can be floatingly mounted on the first adjustment seat 14 .

[0045] Based on this structure, when assembling, refer to Figure 8 The first adjustment seat 14 is provided with a fixing hole 142, and correspondingly, the mounting frame 1 is provided with a first connecting pin 144. The first connecting pin 144 is inserted into the fixing hole 142, so that the first adjustment seat 14 is fixedly connected to the mounting frame 1.

[0046] Because the second adjustment seat 15 can be floatably mounted on the first adjustment seat 14, when the adjustment core 11 expands due to heat, the second adjustment seat 15 can move relatively away from the first adjustment seat 14, thereby driving one adjustment core 11 away from the other adjustment core 11, preventing the adjustment core 11 from deforming due to heat and causing the transmission to become stuck. Compared to a system in which both adjustment seats are floatably mounted on the mounting frame 1, this embodiment uses one adjustment seat to be floated and the other to be fixedly mounted. This facilitates the adjustment seats to adjust the distance between the two adjustment cores 11 during the floating process, avoiding the problem of the distance between the two adjustment cores 11 being too large when both adjustment seats are floating.

[0047] It should be noted that one end of the adjustment core 11 is rotatably connected to the adjustment seat, and the other end of the adjustment core 11 is connected to the transmission shaft 19. The two transmission shafts 19 connected to the two adjustment cores 11 are arranged parallel to each other, and the ends of the two transmission shafts 19 away from the adjustment core 11 are connected to the drive assembly and the bearing seat 23. Because the ends of the two transmission shafts 19 away from the adjustment core 11 are radially restricted by the bearing seat 23, when the first adjustment seat 14 drives one of the adjustment cores 11 away from the other adjustment core 11, it is actually the bending deformation of the transmission shaft 19 that achieves the clearance fit between the two adjustment cores 11.

[0048] Further, see Figure 5 and Figure 8 The adjustment assembly includes a floating assembly. Specifically, the floating assembly includes a connecting post 16 and an elastic member 17. The lower end of the connecting post 16 passes through the second adjustment seat 15 and is fixedly connected to the first adjustment seat 14. The elastic member 17 is disposed between the upper end of the connecting post 16 and the second adjustment seat 15. The elastic member 17 is used to provide an elastic force to drive the second adjustment seat 15 to move closer to the first adjustment seat 14. The second adjustment seat 15 is used to compress the elastic member 17 under the action of an external force and move away from the first adjustment seat 14.

[0049] Based on this structure, see Figure 8 , a connecting hole 143 is also provided on the first adjustment seat 14, and correspondingly, a second connecting pin 145 is provided on the mounting frame 1. During assembly, the lower end of the connecting column 16 passes through the second adjustment seat 15 and is inserted into the upper end of the first adjustment seat 14, and the second connecting pin 145 extends through the connecting hole 143 and is connected to the connecting column 16. Specifically, the connecting column 16 includes a connecting section 161, an adjusting section 162, and a resting section 163 from bottom to top; wherein, the connecting section 161 connects the first adjustment seat 14 and the second adjustment seat 15, the elastic member 17 is sleeved on the outer periphery of the adjusting section 162, and the two ends of the elastic member 17 are respectively connected to the lower end of the resting section 163 and the upper end of the second adjustment seat 15.

[0050] When the adjustment cores 11 have not yet expanded due to heat, the elastic member 17 applies an elastic force to the second adjustment seat 15, pushing the second adjustment seat 15 close to the first adjustment seat 14. At this time, the two adjustment cores 11 are close to each other, and the distance between them is small. When the adjustment cores 11 are deformed due to heat, one adjustment core 11 and the other adjustment core 11 squeeze each other, driving the second adjustment seat 15 to compress the elastic member 17 upward and move away from the first adjustment seat 14, thereby driving one adjustment core 11 away from the other adjustment core 11.

[0051] The elastic member 17 can be a spring, a rubber ring, a silicone ring, or other elastic structure. When the adjustment core 11 expands due to heat, the elastic member 17 can compress or expand, allowing the adjustment seat to move within a certain range. The elastic member 17 absorbs the dimensional changes caused by thermal expansion, ensuring that the adjustment core 11 maintains a clearance fit.

[0052] Preferably, the elastic member 17 is a spring, and during use, the floating effect of the second adjustment seat 15 can be limited by adjusting the preload pressure of the spring and the length of the adjustment section 162 on the connecting column 16. Specifically, when the preload pressure of the spring is low and the length of the adjustment section 162 is short, the floating sensitivity of the second adjustment seat 15 is high and the floating range is small, thereby ensuring that once the adjustment core 11 expands, it can drive the second adjustment seat 15 to float away from the first adjustment seat 14. At the same time, the floating range of the second adjustment seat 15 is small, so that the distance between the two adjustment cores 11 is limited to a certain range. Therefore, the present application has the characteristics of free rotation of the adjustment core 11 and high accuracy of the beam hole 13 formed by the two adjustment cores 11.

[0053] Furthermore, a first rotating hole 141 is provided on the first adjusting seat 14, a second rotating hole 151 is provided on the second adjusting seat 15, and a shaft sleeve 112 is provided in both the first rotating hole 141 and the second rotating hole 151; one of the adjusting cores 11 is rotatably connected to the shaft sleeve 112 in the first rotating hole 141, and the other adjusting core 11 is rotatably connected to the shaft sleeve 112 in the second rotating hole 151.

[0054] Specifically, the sleeve 112 and the first rotating hole 141 and the second rotating hole 151 are interference fit, and the adjusting core 11 has a connecting shaft at one end close to the adjusting seat. The connecting shaft and the sleeve 112 are clearance fit, and the adjusting core 11 is rotatably connected to the sleeve 112 through the connecting shaft.

[0055] Furthermore, one end of the two adjusting cores 11 is rotatably connected to the first adjusting seat 14 and the second adjusting seat 15, respectively, and the other end of the two adjusting cores 11 is connected to one end of a transmission shaft 19. Figure 4A water pipe 190 is provided within the transmission shaft 19. The end of the transmission shaft 19 away from the regulating core 11 is connected to a pipe connector 18. A waterway hole 111 is provided within the regulating core 11. One end of the water pipe 190 extends into the waterway hole 111, and the other end of the water pipe 190 is connected to the pipe connector 18. Furthermore, the pipe connector 18 is rotatably connected to the transmission shaft 19.

[0056] Based on this structure, drive shaft 19 is hollow, and the water inlet and outlet ports on pipe connector 18 communicate with the inlet and outlet water cavities within drive shaft 19, forming a return water annulus with water pipe 190 within the hollow shaft, through which water circulates. Pipe connector 18 is used to connect to external water pipe 190, which can then direct water flow into water pipe 190 within drive shaft 19 via pipe connector 18.

[0057] During operation, the regulating core 11 is exposed to the beam, generating a significant amount of heat. By providing a water passage hole 111 within the regulating core 11 and connecting a water pipe 190 to this hole, the cooling water circulating in the water pipe 190 can remove the heat generated by the regulating core 11, preventing the regulating core 11 from overheating and thus reducing the impact of thermal expansion on the accuracy and stability of the device.

[0058] The arrangement of the pipe joint 18 makes the connection between the transmission shaft 19 and the cooling water circuit more convenient. When maintenance or replacement of parts is required, the pipe joint 18 can be easily disassembled and reconnected, thus reducing maintenance time and difficulty.

[0059] It should be noted that the pipe joint 18 is rotatably connected to the drive shaft 19, and the pipe joint 18 is limited on the mounting frame 1; when the driving assembly drives the drive shaft 19 to rotate, the pipe joint 18 will not rotate, so that the several external water pipes connected to the two drive shafts 19 will not rotate with the drive shaft 19, thereby preventing the external water pipes from being entangled with each other, and avoiding problems such as the external water pipes being detached from the pipe joint 18 and leaking.

[0060] Furthermore, a movable seal is provided between the pipe joint 18 and the transmission shaft 19 .

[0061] Specifically, the movable sealant can be a sealing ring, which is disposed between the drive shaft 19 and the pipe joint 18. The inner diameter of the sealing ring matches the outer diameter of the drive shaft 19, and the outer diameter matches the inner diameter of the pipe joint 18, ensuring a good sealing effect. A spring or other elastic metal material is also provided outside the sealing ring. These elastic elements can provide continuous pressure to ensure that the sealing ring is tightly attached to the drive shaft 19 and the pipe joint 18, compensating for sealing failure caused by wear or thermal expansion.

[0062] In addition, sliding seals (such as lip seals) can be set on both sides of the sealing ring. The lip seals are composed of elastic sealing lips. When the transmission shaft 19 rotates, the sealing lips can flexibly adapt to the movement of the transmission shaft 19 while maintaining good sealing performance.

[0063] Thus, the sealing ring and the lip seal form a multiple seal, ensuring good sealing performance during the rotation of the transmission shaft 19 relative to the pipe joint 18.

[0064] Furthermore, the drive assembly includes a motor 2, a first transmission member 21 and a second transmission member 22, wherein the motor 2 drives one of the transmission shafts 19 to rotate through the first transmission member 21, and the transmission shaft 19 drives the other transmission shaft 19 to rotate synchronously in the opposite direction through the second transmission member 22.

[0065] Specifically, one of the transmission shafts 19 is defined as a first transmission shaft 191, and the other transmission shaft 19 is defined as a second transmission shaft 192. Figure 6 and Figure 7 The first transmission member 21 includes a synchronous wheel 211, a synchronous belt 212, and a driven wheel 213. The motor 2 drives the synchronous wheel 211 to rotate, which in turn drives the driven wheel 213 via the synchronous belt 212. The driven wheel 213 then drives the first transmission shaft 191 to rotate. Furthermore, the second transmission member 22 includes a first gear 221 and a second gear 222. The first gear 221 and the second gear 222 have the same number of teeth and mesh with each other. The first transmission shaft 191 is used to rotate the first gear 221 during rotation, the first gear 221 is used to rotate the second gear 222 during rotation, and the second gear 222 is used to rotate the second transmission shaft 192 during rotation.

[0066] Based on this structure, during assembly, one end of the adjustment core 11 is rotatably connected to the sleeve 112 in the adjustment seat via a connecting shaft, and the other end of the adjustment core 11 is connected to the transmission shaft 19. When the motor 2 is started, the motor output shaft 25 drives the synchronous wheel 211 to rotate, which in turn drives the driven wheel 213 via the synchronous belt 212, and the driven wheel 213 drives the first transmission shaft 191 to rotate. Simultaneously, the first transmission shaft 191 drives the first gear 221 thereon to rotate, which in turn drives the second gear 222 to rotate. Because the first gear 221 and the second gear 222 rotate in opposite directions, the first transmission shaft 191 and the second transmission shaft 192 rotate synchronously in opposite directions.

[0067] The driven gear 213 is fixedly connected to the first transmission shaft 191 via a second fixing member 214. The first gear 221 and the second gear 222 are respectively connected to the first transmission shaft 191 and the second transmission shaft 192 via a first fixing member 223. The first fixing member 223 and the second fixing member 214 are both expansion sleeves. By tightening high-strength bolts, the expansion sleeves can generate a significant clamping force between the inner ring and the shaft, and between the outer ring and the wheel hub, thereby achieving a keyless connection between the transmission components and the transmission shaft 19.

[0068] In this way, the synchronous wheel 211 and synchronous belt 212 ensure that the rotation of the motor 2 is accurately transmitted to the first transmission shaft 191, avoiding the slip error that may be caused by traditional friction drive and ensuring transmission accuracy. In addition, the meshing of two gears with the same number of teeth ensures that the first transmission shaft 191 and the second transmission shaft 192 rotate synchronously and in opposite directions, driving the two adjustment cores 11 to precisely match and form the desired beam aperture 13.

[0069] Further, see Figure 7 A bearing seat 23 is provided between the first transmission member 21 and the second transmission member 22, and the bearing seat 23 is fixedly connected to the mounting frame 1. In addition, the transmission shaft 19 is rotatably connected to the bearing seat 23.

[0070] See Figure 4 The bearing seat 23 is provided with a bearing 232, and the transmission shaft 19 is rotatably connected to the bearing 232. When in use, the bearing seat 23 provides a stable support for the transmission shaft 19, ensuring that the transmission shaft 19 maintains its position during rotation, reducing unnecessary axial and radial movement, and preventing transmission errors and mechanical damage caused by shaking of the transmission shaft 19.

[0071] In addition, the bearing seat 23 is arranged between the first transmission member 21 and the second transmission member 22, and the transmission shaft 19 is radially constrained here, which can prevent the transmission shaft 19 from bending due to the transmission force of the first transmission member 21 or the second transmission member 22, thereby extending the service life of the transmission shaft 19 and the bearing 232.

[0072] Further, see Figure 6 A sensor 231 is provided on the bearing seat 23, and a detection piece 193 is provided on the second transmission shaft 192, wherein the second transmission shaft 192 is used to drive the detection piece 193 to rotate, and the detection piece 193 is used to trigger the sensor 231 during the rotation process so that the sensor 231 outputs a start-stop signal.

[0073] When the transmission shaft 19 rotates, the detection plate 193 rotates accordingly. Sensor 231 detects the rotation of the detection plate 193 and monitors the operating status of the transmission shaft 19 in real time. If an overload or abnormality is detected in the transmission system, a stop signal is output to protect the transmission system from damage. Thus, sensor 231 can accurately sense the speed and position of the transmission shaft 19, ensuring that the transmission system operates at the predetermined speed and direction.

[0074] Furthermore, a flange 24 is fixed to the mounting frame 1. Two through-holes are defined in the center of the flange 24. The first and second transmission shafts 191, 192 pass through the through-holes and are then connected to the first and second transmission members 21, 22. The ends of the first and second transmission shafts 191, 192, distal from the adjustment core 11, are connected to the pipe connector 18. A seal 241 is provided between the transmission shaft and the flange 24. The seal 241 comprises a plurality of sealing rings arranged axially along the transmission shaft.

[0075] Therefore, static seals are provided between the first transmission shaft 191 and the second transmission shaft 192 and the flange 24 , and movable seals are provided between the first transmission shaft 191 and the second transmission shaft 192 and the pipe joint 18 . Multiple seals ensure the installation stability of the transmission shaft 19 .

[0076] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A beam intensity adjustment device, characterized in that: include, An adjustment assembly includes a mounting frame, two adjustment cores, and two adjustment seats, wherein the adjustment cores are rotatably connected to the adjustment seats; a plurality of adjustment portions are provided on the circumference of the adjustment cores, and the adjustment portions of the two adjustment cores are used to cooperate with each other to form a beam hole after rotation; at least one of the adjustment seats can be floatingly mounted on the mounting frame to guide the adjustment core to float when rotating; A driving assembly is used to drive the adjusting core to rotate.

2. The beam intensity adjustment device according to claim 1, characterized in that: The two adjustment seats are respectively a first adjustment seat and a second adjustment seat, the first adjustment seat is fixedly connected to the mounting frame, and the second adjustment seat can be floatingly mounted on the first adjustment seat.

3. The beam intensity adjustment device according to claim 2, characterized in that: The adjustment assembly includes a floating assembly, which includes a connecting column and an elastic member. The lower end of the connecting column passes through the second adjustment seat and is fixedly connected to the first adjustment seat. The elastic member is arranged between the upper end of the connecting column and the second adjustment seat. The elastic member is used to provide an elastic force to drive the second adjustment seat to move closer to the first adjustment seat; the second adjustment seat is used to compress the elastic member under the action of external force and move away from the first adjustment seat.

4. The beam intensity adjustment device according to claim 2 or 3, characterized in that: The first adjusting seat is provided with a first rotating hole, the second adjusting seat is provided with a second rotating hole, and both the first rotating hole and the second rotating hole are provided with shaft sleeves; one adjusting core is rotatably connected to the shaft sleeve in the first rotating hole, and the other adjusting core is rotatably connected to the shaft sleeve in the second rotating hole.

5. The beam intensity adjustment device according to claim 2, characterized in that: One end of the two adjusting cores is rotatably connected to the first adjusting seat and the second adjusting seat respectively, and the other end of the two adjusting cores is connected to one end of a transmission shaft respectively; a water pipe is provided in the transmission shaft, and the end of the transmission shaft away from the adjusting core is connected to a pipe joint; a water channel hole is provided in the adjusting core, one end of the water pipe extends into the water channel hole, and the other end of the water pipe is connected to the pipe joint; the pipe joint is rotatably connected to the transmission shaft.

6. The beam intensity adjustment device according to claim 5, characterized in that: A movable seal is provided between the pipe joint and the transmission shaft.

7. The beam intensity adjustment device according to claim 5, characterized in that: The driving assembly includes a motor, a first transmission member, and a second transmission member. The motor drives one of the transmission shafts to rotate through the first transmission member, and the transmission shaft drives the other transmission shaft to rotate synchronously in the opposite direction through the second transmission member.

8. The beam intensity adjustment device according to claim 7, characterized in that: A bearing seat is provided between the first transmission member and the second transmission member, and the bearing seat is fixedly connected to the mounting frame; the transmission shaft is rotatably connected to the bearing seat.

9. The beam intensity adjustment device according to claim 8, characterized in that: One of the transmission shafts is a first transmission shaft, and the other transmission shaft is a second transmission shaft; The first transmission member includes a synchronous wheel, a synchronous belt and a driven wheel. The motor drives the synchronous wheel to rotate. The synchronous wheel drives the driven wheel to rotate through the synchronous belt. The driven wheel drives the first transmission shaft to rotate. The second transmission member includes a first gear and a second gear, the first gear and the second gear have the same number of teeth, and the two are engaged with each other; the first transmission shaft is used to drive the first gear to rotate during the rotation process, the first gear is used to drive the second gear to rotate during the rotation process, and the second gear is used to drive the second transmission shaft to rotate during the rotation process.

10. The beam intensity adjustment device according to claim 9, characterized in that: A sensor is provided on the bearing seat, and a detection piece is provided on the second transmission shaft. The second transmission shaft is used to drive the detection piece to rotate, and the detection piece is used to trigger the sensor during the rotation process so that the sensor outputs a start-stop signal.

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