A laminar flow ultra-high clean workstation and its use method

Abstract

The present invention provides a laminar flow ultra-high clean workstation and its use method, which aims at the problems that the absorber installation construction of the existing superconducting accelerator connection port is difficult and the installation precision is high. It includes a lifting support, a clean box and a fine adjustment device. The lifting support includes a support frame, a lifting adjustment mechanism and a connection support connected in sequence from bottom to top. The clean box is connected to the top of the connection support. The working platform divides the inner cavity of the box body into a first box body and a second box body that are connected to the top and bottom. The first box body is used to place the connection port and absorber of the superconducting accelerator. The bottom of the side wall of the second box body is provided with multiple fresh air inlets. The filter is arranged in the second box body and connected to the bottom of the working platform. The fine adjustment device is arranged in the inner cavity of the first box body of the clean box and connected to the top of the working platform. The connection port of the superconducting accelerator is buckled and connected to the top of the fine adjustment device. The fine adjustment device is used to fine-tune the installation position of the connection port and the absorber of the superconducting accelerator.

Description

Technical Field

[0001] The invention relates to the technical field of equipment installation, and in particular to a laminar flow ultra-clean workstation and a use method thereof. Background Art

[0002] The connection between the beam channels of two superconducting accelerators requires the installation of an absorber. The working principle of the absorber is: a broadband high-frequency absorption device attached with special ferrite material is installed on the large-aperture beam pipe of the superconducting high-frequency cavity, so that the high-order mode power coupled out of the cavity is almost completely absorbed and immediately converted into thermal energy. Finally, the heat is taken away by the ferrite cooling water system, thereby achieving the purpose of absorbing the high-order modes in the cavity.

[0003] At present, the superconducting accelerator beam is located at a height of 3 meters, and all construction environments related to the superconducting accelerator beam must be carried out in an ultra-high clean environment, which increases the difficulty of absorber installation; moreover, there are a large number of installed equipment around the absorber, and the requirements for absorber installation accuracy are high. Therefore, it is necessary to design a professional clean work chamber and its use method to meet the installation process requirements. Summary of the invention

[0004] Aiming at the problem that the absorber installation construction of the existing two superconducting accelerator connection ports is difficult and requires high installation precision, the purpose of the present invention is to provide a laminar flow ultra-high clean workstation and a method for using the same.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a laminar flow ultra-high clean workstation, comprising:

[0006] The lifting support includes a support frame, a lifting adjustment mechanism and a connecting support which are connected in sequence from bottom to top. The lifting support is used to adjust the position and height of the laminar flow ultra-high clean workstation as a whole to meet the requirements of the installation and construction position;

[0007] A clean box connected to the top of the connecting support, comprising a box body, a hollow work platform horizontally arranged and connected to the inner cavity of the box body, and a filter. The work platform divides the inner cavity of the box body into a first box body and a second box body that are connected at the top and bottom. The first box body is used to place the connection ports and absorbers of the upstream and downstream superconducting accelerators. The bottom of the side wall of the second box body is provided with a plurality of fresh air inlets. The filter is arranged in the second box body and connected to the bottom of the work platform. The clean box can create a clean environment for the installation and construction of the connection ports and absorbers of the superconducting accelerators.

[0008] The fine adjustment device is arranged in the inner cavity of the first box of the clean box and connected to the top of the working platform. The connection port of the superconducting accelerator is buckled and connected to the top of the fine adjustment device. The fine adjustment device is used to fine adjust the installation position of the connection port of the superconducting accelerator.

[0009] The laminar flow ultra-high clean workstation of the present invention comprises a lifting support, a clean box and a fine adjustment device. The lifting support comprises a support frame, a lifting adjustment mechanism and a connecting support connected in sequence from bottom to top. The lifting support is used to adjust the position and height of the laminar flow ultra-high clean workstation as a whole, so as to facilitate construction personnel to perform high-altitude operations. The clean box is connected to the top of the connecting support. The working platform divides the inner cavity of the box body into a first box body and a second box body that are connected to the upper and lower parts. The first box body is used to place the connection port and absorber of the upstream and downstream superconducting accelerators. The bottom of the side wall of the second box body is provided with a plurality of fresh air inlets. The filter is arranged in the second box body and connected to the bottom of the working platform. The clean box can create a clean environment for the installation and construction of the superconducting accelerator connection port. The fine-tuning device is arranged in the inner cavity of the first box of the clean box and connected to the top of the working platform. The connection port of the superconducting accelerator is buckled and connected to the top of the fine-tuning device. The fine-tuning device is used to fine-tune the connection port of the superconducting accelerator and the installation position of the absorber, thereby further improving the installation accuracy. The laminar flow ultra-high clean workstation can be used to quickly set up a clean and enclosed operating space between two superconducting accelerators, and can perform high-precision adjustment of the support points in three-dimensional directions according to the actual positions of the two superconducting accelerator connection ports and the absorber, thereby improving the installation efficiency and installation accuracy of the absorber.

[0010] Furthermore, two pairs of hatches are symmetrically arranged on both sides of the first box body of the clean box connected to the upstream and downstream superconducting accelerators, each pair of hatches includes a bottom cabin located at the bottom and having a semicircular opening, and top cabins one and two symmetrically arranged on the top of the bottom cabin, the closed top cabin one and two have semicircular openings corresponding to the bottom cabin, the openings of the bottom cabin, the top cabin one and the top cabin two constitute a through mounting hole, the inner diameter of the mounting hole matches the outer diameter of the superconducting accelerator, the lower half of the cylindrical shell of the superconducting accelerator is spliced ​​with the bottom cabin, and the upper half of the cylindrical shell of the superconducting accelerator is spliced ​​with the openings of the top cabin one and the top cabin two, so that the connection ports of the two superconducting accelerators can be embedded between the two pairs of hatches of the first box body, and the bottom cabin, the top cabin one and the top cabin two are detachably connected to the first box body.

[0011] Furthermore, a hole is provided on one side of the first box body of the clean box perpendicular to the superconducting accelerator, and a baffle is provided on the top of the hole which is hingedly connected to the side panel of the first box body and can cover the hole, forming an openable working window that is easy for construction workers to open and close.

[0012] Furthermore, the lifting and adjusting mechanism includes a driver, a plurality of reversing transmission devices and a plurality of elevators which are sequentially connected in the power transmission direction. The plurality of elevators are respectively connected to the corners of the support frame. The driver is used to generate a driving torque. The reversing transmission device has at least two output ends, and each output end corresponds to an elevator. The reversing transmission device can convert the driving torque generated by the driver into at least two output torques to drive each elevator to perform synchronous lifting movements.

[0013] Furthermore, the connecting support includes a rectangular frame formed by welding steel sections arranged in a criss-cross pattern, and a plurality of connecting plates connected to the corners of the rectangular frame, wherein the connecting plates are provided with threaded holes for threaded connection with the clean box.

[0014] Furthermore, the support frame is a frame structure formed by welding steel sections, and two universal casters with brakes are arranged on one side of the bottom of the support frame close to the handrail, and two fixed casters are arranged on the other side.

[0015] Furthermore, the fine-tuning device includes a support seat, an adjustment platform 1, an adjustment platform 2, and an adjustment platform 3 which are detachably connected from top to bottom. The connection port of the superconducting accelerator is snap-connected to the support seat. The adjustment platform 1 includes a sliding platform, an adjustment assembly, a cross-roller guide and a fixed platform. The cross-roller guide is connected to the top of the fixed platform, and the sliding platform is connected to the top of the cross-roller guide. The adjustment assembly includes two bearing seats, an adjustment screw and a knob. The two bearing seats are respectively bearing seat 1 and bearing seat 2 which are arranged at intervals. Bearing seat 1 is fixedly connected to the fixed platform, and bearing seat 2 is fixedly connected to the sliding platform. One end of the horizontally arranged adjustment screw passes through bearing seat 1 and is threadedly connected to bearing seat 2. The other end of the adjustment screw is fixedly connected to the knob. The installation direction of the adjustment platform 2 is at a 90-degree angle to the adjustment platform 1.

[0016] Furthermore, the adjusting platform three includes a lifting platform, a precision screw rod, a scissors-type lifter, a handwheel and a base. The scissors-type lifter is fixed between the lifting platform and the base, the precision screw rod is arranged at the bottom of the lifting platform, one end of the precision screw rod is connected to a supporting leg of the scissors-type lifter, and the other end of the precision screw rod is connected to the handwheel. The adjusting platform two is firmly fixed to the lifting platform of the adjusting platform three, and the base of the adjusting platform three is fixed to the working platform.

[0017] In addition, the present invention also provides a method for using a laminar flow ultra-high clean workstation, the steps are as follows:

[0018] S1: first lower the height of the lifting adjustment mechanism of the lifting support to the lowest position, fix the clean box to the connecting support of the lifting support, and place the connecting ports of the two superconducting accelerators in the first box of the clean box; clean the internal environment of the first box and turn on the filter, supply fresh air through the fresh air inlet at the bottom of the second box of the clean box, and obtain clean air after the fresh air is filtered by the filter, and blown to the inner cavity of the first box after passing the working platform, install the absorber on the connecting port of the superconducting accelerator, and after cleaning, snap-connect the connecting port of the superconducting accelerator to the support seat of the fine adjustment device;

[0019] S2: Adjust the height of the lifting adjustment mechanism so that the height of the clean box meets the installation requirements, adjust the X-axis adjustment table and the Y-axis adjustment table of the fine adjustment device until the XY coordinates of the horizontal direction of the support seat meet the installation requirements, so that the connection port of the superconducting accelerator does not contact the upstream and downstream connection flange surfaces, and then adjust the Z-axis adjustment table until the installation position, lock the fine adjustment device, and perform vacuum flange connection according to the requirements of clean construction.

[0020] The method for using the laminar flow ultra-high clean workstation of the present invention comprises the following steps: lowering the lifting support to the lowest position, fixing the clean box to the connecting support of the lifting support, removing the top cabin 1 and the top cabin 2 on both sides of the clean box, placing the connecting ports of the two superconducting accelerators in the first box body of the clean box, firstly splicing the lower half of the cylindrical shell of the superconducting accelerator with the semicircular opening of the bottom cabin, and then splicing the arc-shaped openings of the top cabin 1 and the top cabin 2 with the upper half of the cylindrical shell of the superconducting accelerator respectively. After the positions of the cabin doors on both sides are fixed, the connecting ports of the superconducting accelerator are covered with The first box cavity is closed, the internal environment of the first box is cleaned and the filter is turned on, fresh air is supplied through the fresh air inlet at the bottom of the second box of the clean box and blown to the first box cavity, the superconducting accelerator connection port is buckled and connected to the support seat of the fine adjustment device, and the X-axis adjustment table and Y-axis adjustment table of the fine adjustment device are adjusted until the XY coordinates of the horizontal direction of the support frame meet the installation requirements, and then the Z-axis adjustment table is adjusted to raise the superconducting accelerator connection port and the absorber to the installation position, and after locking the adjustment table, the vacuum flange connection is performed according to the requirements of clean construction. This method of use can quickly set up a clean and closed operating space between two superconducting accelerators, and can perform high-precision adjustment of the support points in three-dimensional directions according to the actual positions of the two superconducting accelerator connection ports and the absorber, thereby improving the installation efficiency and installation accuracy of the absorber.

[0021] Furthermore, in step S1, when assembling the fine adjustment device, first connect the base of the Z-axis adjustment table to the working platform, then fix and level the fixed platform of the Y-axis adjustment table and the lifting platform of the Z-axis adjustment table, then fix and level the fixed platform of the X-axis adjustment table and the sliding platform of the Y-axis adjustment table, and rotate the X-axis adjustment table 90° in the horizontal direction for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment of a laminar flow ultra-high clean workstation of the present invention;

[0023] Figure 2 for Figure 1 Side view of

[0024] Figure 3 for Figure 1 A top view of

[0025] Figure 4 It is a structural schematic diagram of a lifting support in one embodiment of the present invention;

[0026] Figure 5 Schematic diagram of the structure of a fine adjustment device in one embodiment of the present invention.

[0027] The numbers in the figure are as follows:

[0028] Lifting support 10; supporting frame 11; driver 12; first reversing transmission 14a; second reversing transmission 14b; coupling 15; transmission shaft 16; lift 17; rectangular frame 18; connecting plate 19;

[0029] Clean box 20; working platform 21; first box body 22; second box body 23; filter 24; fresh air inlet 25; bottom cabin 26; top cabin 1 27; top cabin 2 28; baffle 29;

[0030] Fine adjustment device 30; adjustment platform 1 31; sliding platform 311; fixed platform 313; cross roller guide 314; bearing seat 1 315; bearing seat 2 317; adjusting screw 316; knob 318; adjustment platform 2 32; adjustment platform 33; lifting platform 331; precision screw 332; hand wheel 334; scissor lift 335; limit stabilizer 336; base 337. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the drawings are all in very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. For the convenience of description, the "upper" and "lower" described below are consistent with the upper and lower directions of the drawings, but this cannot be a limitation of the technical solution of the present invention.

[0032] Combination Figures 1 to 5 The laminar flow ultra-high clean workstation of the present invention is described, and it comprises:

[0033] The lifting support 10 includes a support frame 11, a lifting adjustment mechanism and a connecting support which are sequentially connected from bottom to top. The lifting support 10 is used to adjust the position and height of the laminar flow ultra-high clean workstation as a whole to meet the requirements of the installation and construction position;

[0034] The clean box 20 is connected to the top of the connecting support, and includes a box body, a hollow work platform 21 horizontally arranged and connected to the inner cavity of the box body, and a filter 24. The work platform 21 divides the inner cavity of the box body into a first box body 22 and a second box body 23 that are connected at the top and bottom. The first box body 22 is used to place the connection port and absorber of the upstream and downstream superconducting accelerators. The bottom of the side wall of the second box body 23 is provided with a plurality of fresh air inlets 25. The filter 24 is arranged in the second box body 23 and connected to the bottom of the work platform 21. The clean box 20 can create a clean environment for the installation and construction of the superconducting accelerator connection port and the absorber. This embodiment adopts a high-efficiency filter 24 with a built-in fan;

[0035] The fine-tuning device 30 is arranged in the inner cavity of the first box body 22 of the clean box 20 and connected to the top of the working platform 21. The connection port of the superconducting accelerator is snap-connected to the top of the fine-tuning device 30. The fine-tuning device 30 is used to fine-tune the installation position of the connection port of the superconducting accelerator.

[0036] The laminar flow ultra-high clean workstation of the present invention comprises a lifting support 10, a clean box 20 and a fine adjustment device 30. The lifting support 10 comprises a support frame 11, a lifting adjustment mechanism and a connecting support connected in sequence from bottom to top. The lifting support 10 is used to adjust the position and height of the laminar flow ultra-high clean workstation as a whole, so as to facilitate construction personnel to perform high-altitude operations. The clean box 20 is connected to the top of the connecting support. The working platform 21 divides the inner cavity of the box body into a first box body 22 and a second box body 23 that are connected at the top and bottom. The first box body 22 is used to place the connection port and absorber of the upstream and downstream superconducting accelerators. The bottom of the side wall of the second box body 23 is provided with a plurality of fresh air inlets 25. The filter 24 is arranged in the second box body 23 and connected to the first box body 22. Connected to the bottom of the working platform 21, the clean box 20 can create a clean environment for the installation and construction of the superconducting accelerator connection port. The fine adjustment device 30 is arranged in the inner cavity of the first box body 22 of the clean box 20 and connected to the top of the working platform 21. The connection port of the superconducting accelerator is buckled and connected to the top of the fine adjustment device 30. The fine adjustment device 30 is used to fine-tune the connection port of the superconducting accelerator and the installation position of the absorber, thereby further improving the installation accuracy. By using the laminar flow ultra-high clean workstation, a clean and enclosed operating space can be quickly set up between two superconducting accelerators, and the support point can be adjusted in three-dimensional directions with high precision according to the actual positions of the two superconducting accelerator connection ports and the absorber, thereby improving the installation efficiency and installation accuracy of the absorber.

[0037] like Figure 1 and Figure 2As shown, two pairs of hatches are symmetrically arranged on both sides of the first box body 22 of the clean box 20 connected to the upstream and downstream superconducting accelerators, each pair of hatches includes a bottom cabin 26 located at the bottom and having a semicircular opening, a top cabin 1 27 and a top cabin 2 28 symmetrically arranged on the top of the bottom cabin 26, the closed top cabin 1 27 and the top cabin 2 28 have semicircular openings corresponding to the bottom cabin 26, the openings of the bottom cabin 26, the top cabin 1 27 and the top cabin 2 28 form a through installation hole, the inner diameter of the installation hole matches the outer diameter of the superconducting accelerator, the lower half of the cylindrical shell of the superconducting accelerator is spliced ​​with the bottom cabin 26, and the upper half of the cylindrical shell of the superconducting accelerator is spliced ​​with the openings of the top cabin 1 27 and the top cabin 2 28, so that the connection ports of the two superconducting accelerators can be embedded between the two pairs of hatches of the first box body 22. The bottom cabin 26, the top cabin 1 27 and the top cabin 2 28 are detachably connected to the first box body 22, and the installation and removal are convenient and quick.

[0038] like Figure 2 As shown, a hole is provided on one side of the first box body 22 of the clean box 20 perpendicular to the superconducting accelerator, and a baffle 29 is provided on the top of the hole, which is hingedly connected to the side panel of the first box body 22 and can cover the hole, forming an openable working window that is convenient for construction workers to open and close.

[0039] like Figure 4 As shown, the lifting and adjusting mechanism includes a driver 12, a plurality of reversing transmission devices and a plurality of elevators 17 which are sequentially connected in the power transmission direction. The plurality of elevators 17 are respectively connected to the corners of the support frame 11. The driver 12 is used to generate a driving torque. The reversing transmission device has at least two output ends, and each output end corresponds to an elevator 17. The reversing transmission device can convert the driving torque generated by the driver 12 into at least two output torques to respectively drive each elevator 17 to perform synchronous lifting movements. In this embodiment, four elevators 17 are respectively connected to the four corners of the top of the support frame 11, and the reversing transmission device includes a first reversing transmission 14a, two second reversing transmissions 14b, multiple transmission shafts 16 and multiple couplings 15. The first reversing transmission 14a and the second reversing transmission 14b each have three output ends. One output end of the first reversing transmission 14a is connected to the driver 12 through the transmission shaft 16 and the coupling 15, and the other two symmetrically arranged output ends are respectively connected to the two second reversing transmissions 14b through the transmission shaft 16 and the coupling 15, and the two output ends of the second reversing transmission 14b are respectively connected to the two elevators 17 through the transmission shaft 16 and the coupling 15. The driver 12 of this embodiment can be a hand wheel 334 or a motor. When the height of the clean box 20 needs to be adjusted by using the lifting adjustment mechanism, the reversing transmission device is driven to rotate by starting the motor or rotating the hand wheel 334, and the four corners of the connecting support are driven to move vertically synchronously through the worm gear transmission mechanism to achieve the purpose of adjusting the height of the clean box 20.

[0040] like Figure 4 As shown, the connecting support includes a rectangular frame 18 welded by crisscrossed steel sections, and a plurality of connecting plates 19 connected to the corners of the rectangular frame 18. The connecting plates 19 are provided with threaded holes for threaded connection with the clean box 20, so that installation and disassembly are convenient and quick.

[0041] like Figure 4 As shown, the support frame 11 is a frame structure welded by steel sections. Two universal casters with brakes are provided on one side of the bottom of the support frame 11 near the handrail, and two fixed casters are provided on the other side to ensure the safety of the movement of the lifting support 10.

[0042] When installing the superconducting accelerator connector and the absorber, it is necessary to avoid friction between the metal flange surfaces as much as possible, but the single-side installation clearance of the superconducting accelerator is only 2 mm, which increases the difficulty of installation. The present invention provides a fine adjustment device 30 at the bottom of the support point of the superconducting accelerator connector to achieve fine adjustment of the installation position of the superconducting accelerator connector and the absorber in the three dimensions of XYZ, so that they meet the installation accuracy requirements.

[0043] like Figure 5As shown, in this embodiment, an XYZ rectangular coordinate system is established with the height extension direction as the Z axis. The fine adjustment device 30 includes a support seat, an adjustment platform 1 31, an adjustment platform 2 32, and an adjustment platform 33, which are detachably connected from top to bottom. The adjustment platform 1 31 and the adjustment platform 2 32 use a high-precision horizontal sliding platform 311 with the same structure. The adjustment platform 33 uses a high-precision vertical lifting platform 331. The connection port of the superconducting accelerator is buckled and connected to the support seat. The structure and connection relationship of the horizontal sliding platform 311 are explained by taking the adjustment platform 1 31 as an example. The specific structure and connection relationship of the adjustment platform 2 32 are the same as those of the adjustment platform 1 31, and will not be repeated here. The adjustment platform 31 includes a sliding platform 311, an adjustment component, a cross roller guide 314 and a fixed platform 313. The cross roller guide 314 is connected to the top of the fixed platform 313. The sliding platform 311 is connected to the top of the cross roller guide 314. The adjustment component includes two bearing seats, an adjustment screw 316 and a knob 318. The two bearing seats are respectively a bearing seat 1 315 and a bearing seat 2 317 which are arranged at intervals. The bearing seat 1 315 is fixedly connected to the fixed platform 313, and the bearing seat 2 317 is fixedly connected to the sliding platform 311. One end of the horizontally arranged adjustment screw 316 passes through the bearing seat 1 315 and is threadedly connected to the bearing seat 2 317. The other end of the adjustment screw 316 is fixedly connected to the knob 318. Before adjusting the horizontal position, the fixed platform 313 of the adjusting platform 1 31 has been firmly fixed to the lower adjusting platform 2 32 and the parallelism adjustment is completed. The rotating knob 318 controls the sliding platform 311 to perform high-precision horizontal movement along the X-axis direction; the installation direction of the adjusting platform 2 32 is at a 90-degree angle with the adjusting platform 1 31. The rotating knob 318 of the adjusting platform 2 32 controls the sliding platform 311 connected to the adjusting platform 1 31 to perform high-precision horizontal movement along the Y-axis direction, thereby realizing the precise adjustment of the horizontal position of the supporting point of the superconducting accelerator connection port in the X-axis and Y-axis directions.

[0044] Please continue to refer to Figure 5The adjusting platform 33 includes a lifting platform 331, a precision screw rod 332, a scissor lifter 335, a hand wheel 334 and a base 337. The scissor lifter 335 is fixed between the lifting platform 331 and the base 337. The precision screw rod 332 is arranged at the bottom of the lifting platform 331. One end of the precision screw rod 332 is connected to a supporting leg of the scissor lifter 335, and the other end of the precision screw rod 332 is connected to the hand wheel 334. The adjusting platform 2 32 is firmly fixed to the lifting platform 331 of the adjusting platform 33. The base 337 of the adjusting platform 33 is fixed to the working platform 21 to ensure the overall stability of the fine adjustment device 30. When the hand wheel 334 is rotated clockwise or counterclockwise, the precision screw rod 332 is driven to extend and retract, thereby changing the distance between the two supporting legs of the scissors lift 335, thereby achieving the purpose of accurately controlling the height of the lifting platform 331; preferably, a limit stabilizer 336 is also provided on the top of the base 337, and the highest position, lowest position and stability of the lifting movement of the lifting platform 331 are controlled by the limit stabilizer 336.

[0045] Combination Figures 1 to 5 The method for using the laminar flow ultra-high clean workstation of the present invention is described, and the specific steps are as follows:

[0046] S1: First, lower the height of the lifting adjustment mechanism of the lifting support 10 to the lowest position, fix the clean box 20 to the connecting support of the lifting support 10, remove the top cabin 1 27 and the top cabin 2 28 of the hatches on both sides of the clean box 20, place the connection ports of the two superconducting accelerators in the first box body 22 of the clean box 20, first splice the lower half of the cylindrical shell of the superconducting accelerator with the semicircular opening of the bottom cabin 26, and then splice the arc-shaped openings of the top cabin 1 27 and the top cabin 2 28 with the upper half of the cylindrical shell of the superconducting accelerator respectively. After the hatch position is fixed, an independent closed space is formed inside the clean box 20, so that the connection port of the superconducting accelerator is covered by the first box body 22. Inner cavity, to achieve a sealed effect; according to the requirements of the clean operation, first clean the internal environment of the first box body 22 and open the filter 24, and supply fresh air through the fresh air inlet 25 at the bottom of the second box body 23 of the clean box 20. The fresh air is filtered by the filter 24 to obtain clean air, and then blown to the inner cavity of the first box body 22 after passing the working platform 21, open the baffle 29 of the retractable working window, install the absorber on the connection port of the superconducting accelerator and perform surface sweeping, and after the cleaning is qualified, place the connection port of the superconducting accelerator on the support seat of the fine adjustment device 30, and the protruding clamp of the connection port of the superconducting accelerator matches the concave part of the support seat, so that the connection port is stably supported on the support seat;

[0047] S2: Adjust the height of the lifting adjustment mechanism so that the height of the clean box 20 meets the installation requirements, adjust the X-axis adjustment table and the Y-axis adjustment table of the fine adjustment device 30 until the XY coordinates of the support seat in the horizontal direction meet the installation requirements, so that the connection port of the superconducting accelerator does not contact the upstream and downstream connection flange surfaces, and then adjust the Z-axis adjustment table. The superconducting accelerator connection port and the absorber rise slowly, and pay attention to the gap between the flange surfaces to be connected at both ends until the installation position is reached. After locking the fine adjustment device 30, perform vacuum flange connection according to the requirements of clean construction.

[0048] The method for using the laminar flow ultra-high clean workstation of the present invention comprises the following steps: lowering the lifting support 10 to the lowest position, fixing the clean box 20 to the connecting support of the lifting support 10, removing the top cabin 1 27 and the top cabin 2 28 on both sides of the clean box 20, placing the connecting ports of the two superconducting accelerators in the first box body 22 of the clean box 20, firstly splicing the lower half of the cylindrical shell of the superconducting accelerator with the semicircular opening of the bottom cabin 26, and then splicing the arc-shaped openings of the top cabin 1 27 and the top cabin 2 28 with the upper half of the cylindrical shell of the superconducting accelerator respectively. After the positions of the hatches on both sides are fixed, the connecting ports of the superconducting accelerator are enclosed. Cover the closed inner cavity of the first box 22, clean the internal environment of the first box 22 and open the filter 24, supply fresh air through the fresh air inlet 25 at the bottom of the second box 23 of the clean box 20 and blow it to the inner cavity of the first box 22, snap-connect the superconducting accelerator connection port to the support seat of the fine adjustment device 30, adjust the X-axis adjustment table and the Y-axis adjustment table of the fine adjustment device 30 until the XY coordinates of the horizontal direction of the support frame meet the installation requirements, and then adjust the Z-axis adjustment table to raise the superconducting accelerator connection port and the absorber to the installation position, lock the adjustment table and perform vacuum flange connection according to the requirements of clean construction. This method of use can quickly build a clean and closed operating space between two superconducting accelerators, and can perform high-precision adjustment of the support point in three-dimensional directions according to the actual positions of the two superconducting accelerator connection ports and the absorber, thereby improving the installation efficiency and installation accuracy of the absorber.

[0049] In step S1, when assembling the fine adjustment device 30, first connect the base 337 of the Z-axis adjustment table to the working platform 21, then fix and level the fixed platform 313 of the Y-axis adjustment table and the lifting platform 331 of the Z-axis adjustment table, then fix and level the fixed platform 313 of the X-axis adjustment table and the sliding platform 311 of the Y-axis adjustment table, and rotate the X-axis adjustment table 90° in the horizontal direction for installation.

[0050] The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of the claims.

Claims

1. A laminar flow ultra-clean workstation, characterized in that: include: The lifting support includes a support frame, a lifting adjustment mechanism and a connecting support which are connected in sequence from bottom to top. The lifting support is used to adjust the position and height of the laminar flow ultra-high clean workstation as a whole to meet the requirements of the installation and construction position; A clean box connected to the top of the connecting support, comprising a box body, a hollow work platform horizontally arranged and connected to the inner cavity of the box body, and a filter. The work platform divides the inner cavity of the box body into a first box body and a second box body that are connected at the top and bottom. The first box body is used to place the connection ports and absorbers of the upstream and downstream superconducting accelerators. The bottom of the side wall of the second box body is provided with a plurality of fresh air inlets. The filter is arranged in the second box body and connected to the bottom of the work platform. The clean box can create a clean environment for the installation and construction of the connection ports and absorbers of the superconducting accelerators. The fine adjustment device is arranged in the inner cavity of the first box of the clean box and connected to the top of the working platform. The connection port of the superconducting accelerator is buckled and connected to the top of the fine adjustment device. The fine adjustment device is used to fine adjust the installation position of the connection port of the superconducting accelerator.

2. The laminar flow ultra-clean workstation according to claim 1 is characterized in that: Two pairs of hatches are symmetrically arranged on both sides of the first box body of the clean box connected to the upstream and downstream superconducting accelerators, each pair of hatches includes a bottom cabin located at the bottom and having a semicircular opening, and a top cabin 1 and a top cabin 2 symmetrically arranged on the top of the bottom cabin, the closed top cabin 1 and the top cabin 2 have semicircular openings corresponding to the bottom cabin, the openings of the bottom cabin, the top cabin 1 and the top cabin 2 form a through mounting hole, the inner diameter of the mounting hole matches the outer diameter of the superconducting accelerator, the lower half of the cylindrical shell of the superconducting accelerator is spliced ​​with the bottom cabin, and the upper half of the cylindrical shell of the superconducting accelerator is spliced ​​with the openings of the top cabin 1 and the top cabin 2, so that the connection ports of the two superconducting accelerators can be embedded between the two pairs of hatches of the first box body, and the bottom cabin, the top cabin 1 and the top cabin 2 are detachably connected to the first box body.

3. The laminar flow ultra-clean workstation according to claim 2 is characterized in that: A hole is provided on one side of the first box body of the clean box perpendicular to the superconducting accelerator, and a baffle is provided on the top of the hole which is hingedly connected to the side plate of the first box body and can cover the hole, forming an openable working window that is convenient for construction workers to open and close.

4. The laminar flow ultra-clean workstation according to claim 1 is characterized in that: The lifting and lowering adjustment mechanism includes a driver, a plurality of reversing transmission devices and a plurality of elevators which are sequentially connected in the power transmission direction. The plurality of elevators are respectively connected to the corners of the support frame. The driver is used to generate a driving torque. The reversing transmission device has at least two output ends, each output end corresponds to an elevator. The reversing transmission device can convert the driving torque generated by the driver into at least two output torques to drive each elevator to perform synchronous lifting movements.

5. The laminar flow ultra-clean workstation according to claim 1 is characterized in that: The connecting support comprises a rectangular frame body welded by crisscrossed steel sections, and a plurality of connecting plates connected to the corners of the rectangular frame body. The connecting plates are provided with threaded holes for threaded connection with the clean box.

6. The laminar flow ultra-clean workstation according to claim 1 is characterized in that: The support frame is a frame structure formed by welding section steel. Two universal casters with brakes are arranged on one side of the bottom of the support frame close to the handrail, and two fixed casters are arranged on the other side.

7. The laminar flow ultra-clean workstation according to claim 1 is characterized in that: The fine adjustment device includes a support seat, an adjustment platform 1, an adjustment platform 2, and an adjustment platform 3 which are detachably connected from top to bottom. The connection port of the superconducting accelerator is snap-connected to the support seat. The adjustment platform 1 includes a sliding platform, an adjustment component, a cross roller guide and a fixed platform. The cross roller guide is connected to the top of the fixed platform, and the sliding platform is connected to the top of the cross roller guide. The adjustment component includes two bearing seats, an adjustment screw and a knob. The two bearing seats are respectively a bearing seat 1 and a bearing seat 2 which are arranged at intervals. The bearing seat 1 is fixedly connected to the fixed platform, and the bearing seat 2 is fixedly connected to the sliding platform. One end of the horizontally arranged adjustment screw passes through the bearing seat 1 and is threadedly connected to the bearing seat 2. The other end of the adjustment screw is fixedly connected to the knob. The installation direction of the adjustment platform 2 forms a 90-degree angle with the adjustment platform 1.

8. The laminar flow ultra-clean workstation according to claim 7, characterized in that: The adjusting platform three includes a lifting platform, a precision screw rod, a scissors-type lifter, a handwheel and a base. The scissors-type lifter is fixed between the lifting platform and the base, the precision screw rod is arranged at the bottom of the lifting platform, one end of the precision screw rod is connected to a supporting leg of the scissors-type lifter, and the other end of the precision screw rod is connected to the handwheel. The adjusting platform two is firmly fixed to the lifting platform of the adjusting platform three, and the base of the adjusting platform three is fixed to the working platform.

9. The method for using the laminar flow ultra-clean workstation according to claim 8, characterized in that: Here are the steps: S1: first lower the height of the lifting adjustment mechanism of the lifting support to the lowest position, fix the clean box to the connecting support of the lifting support, and place the connecting ports of the two superconducting accelerators in the first box of the clean box; clean the internal environment of the first box and turn on the filter, supply fresh air through the fresh air inlet at the bottom of the second box of the clean box, and obtain clean air after the fresh air is filtered by the filter, and blown to the inner cavity of the first box after passing the working platform, install the absorber on the connecting port of the superconducting accelerator, and after cleaning, snap-connect the connecting port of the superconducting accelerator to the support seat of the fine adjustment device; S2: Adjust the height of the lifting adjustment mechanism so that the height of the clean box meets the installation requirements, adjust the adjustment table 1 and the adjustment table 2 of the fine adjustment device until the XY coordinates of the support seat in the horizontal direction meet the installation requirements, so that the connection port of the superconducting accelerator does not contact the upstream and downstream connection flange surfaces, and then adjust the adjustment table 3 until the installation position, lock the fine adjustment device, and perform vacuum flange connection according to the requirements of clean construction.

10. The method for using the laminar flow ultra-clean workstation according to claim 9, characterized in that: In step S1, when assembling the fine adjustment device, first connect the base of the adjustment platform three to the working platform, then fix and level the fixed platform of the adjustment platform two and the lifting platform of the adjustment platform three, then fix and level the fixed platform of the adjustment platform one and the sliding platform of the adjustment platform two, and rotate the adjustment platform one 90° in the horizontal direction for installation.

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