CN215933202U

CN215933202U - Maintenance tool for spallation neutron source reflector

Info

Publication number: CN215933202U
Application number: CN202122184417.6U
Authority: CN
Inventors: 杨娟娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-03-01
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a maintenance tool of a spallation neutron source reflector, which comprises an upper cover device and a lower device, wherein the upper cover device consists of a cylindrical cover and a lifter, the lower device consists of a second cylindrical pipe, a first frame, a first sliding frame, a second frame and a second sliding frame, the left side edge of the second cylindrical pipe is provided with the first frame, the middle position of the first frame is provided with the first sliding frame, the right side edge of the second cylindrical pipe is provided with the second frame, the middle position of the second frame is provided with the second sliding frame, the surface of the cylindrical cover is provided with a first bump, the bottom end of the first cylindrical cover is provided with the first cylindrical pipe, the upper end of the surface of the first cylindrical pipe is provided with a second bump, the cylindrical cover and the first cylindrical pipe are lifted in a sliding mode through a first circular rail, the lower end of the first cylindrical pipe is provided with the second cylindrical pipe, the lower end of the surface of the second cylindrical pipe is provided with a fourth bump, and a third bump is arranged at the lower end of the surface of the first cylindrical pipe.

Description

Maintenance tool for spallation neutron source reflector

Technical Field

The utility model relates to the field of neutrons, in particular to a maintenance tool for a spallation neutron source reflector.

Background

When a medium-energy proton hits a heavy nucleus (tungsten, mercury and other elements), the heavy nucleus is unstable and 20-30 neutrons are evaporated, so that the heavy nucleus is cracked and emits a great amount of neutrons in all directions, and the neutron generation efficiency is greatly improved.

China to date has the largest single-investment-scale national major scientific and technological infrastructure, namely a China Spallation Neutron Source (CSNS), which is accepted in 2018, and at present, the first batch of experimental plans of 3 spectrometers of the device are published outwards, and the experiments cover a plurality of frontier intersection and high-tech research and development fields.

Neutron reflection (Neutron reflectance) is a Neutron diffraction technique for measuring thin film structures, similar to the commonly used complementary X-ray reflection and elliptical polarization techniques. The technology can provide valuable information in a very wide range of scientific and technological applications, including chemical polymerization, polymer and surface adsorption, magnetic thin film structures, biological membranes, and the like.

With the successful implementation of the scientific research project of the spallation neutron source emitter, the spallation neutron source emitter can also calculate the maximum numerical value of the material content. However, the existing maintenance tool for the spallation neutron source emitter is too complex and cumbersome in operation, and a maintenance tool for the spallation neutron source reflector is provided for the maintenance tool.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

A maintenance tool for a spallation neutron source reflector comprises an upper cover device and a lower device.

The upper cover device consists of a cylindrical cover and a lifter, the lower device consists of a second cylindrical pipe, a first frame, a first sliding frame, a second frame and a second sliding frame, the left side edge of the second cylindrical pipe is provided with the first frame, the middle position of the first frame is provided with the first sliding frame, the upper end and the lower end in the first sliding frame are respectively provided with a first fixed block, the right side edge of the second cylindrical pipe is provided with the second frame, the middle position of the second frame is provided with the second sliding frame, the upper end and the lower end in the second sliding frame are respectively provided with a second fixed block, the surface of the cylindrical cover is provided with a first convex block, the bottom end of the first cylindrical cover is provided with the first cylindrical pipe, the upper end of the surface of the first cylindrical pipe is provided with a second convex block, the cylindrical cover and the first cylindrical pipe are lifted in a sliding way through a first circular rail, the lower end of the first cylindrical pipe is provided with the second cylindrical pipe, the lower end of the surface of the second cylindrical pipe is provided with a fourth convex block, and a third bump is arranged at the lower end of the surface of the first cylindrical pipe.

Preferably, the left side surface of the second cylindrical pipe is provided with a first motor, and the right side surface of the second cylindrical pipe is provided with a second motor.

Preferably, a plurality of first gears which are uniformly distributed and arranged are respectively and rotatably fixed at the upper end and the lower end inside the first frame, and a plurality of third gears which are uniformly distributed and arranged are respectively and rotatably fixed at the upper end and the lower end inside the second frame.

Preferably, a plurality of second gears which are uniformly distributed and arranged are rotatably fixed at the upper end and the lower end of the surface of the first sliding frame, and a plurality of fourth gears which are uniformly distributed and arranged are rotatably fixed at the upper end and the lower end of the surface of the second sliding frame.

Preferably, a first neutron emitter plate is fixed between the two first fixed blocks, and a second neutron emitter plate is fixed between the two second fixed blocks.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has novel structure and simple operation, utilizes a maintenance tool of a spallation neutron source reflector, when the spallation neutron source reflector needs to be maintained, a worker places the maintenance tool of the spallation neutron source reflector on the spallation neutron source reflector, then the worker starts a lifter, a first lifting rod on the lifter extends downwards, a first clamping plate and a second clamping plate contact the spallation neutron source reflector, then the worker starts the lifter, the first clamping plate and the second clamping plate clamp the spallation neutron source reflector, the worker drives a first sliding frame and a second sliding frame to approach the spallation neutron source reflector through a first belt and a second belt, so that a first neutron reflector plate block and a second neutron reflector plate block on the first sliding frame and the second sliding frame contact the spallation neutron source, thereby completing the maintenance work of the spallation neutron source reflector.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a maintenance tool for spalling a reflector of a neutron source;

FIG. 2 is a schematic view of a cover of a maintenance tool for spalling a reflector of a neutron source;

FIG. 3 is an enlarged view of FIG. 2A;

FIG. 4 is a lower schematic view of a maintenance tool for spalling a reflector of a neutron source;

shown in the figure: 1. the neutron reflector plate comprises a cylindrical cover, 2, a first bump, 3, a second circular rail, 4, a second bump, 5, a first cylindrical pipe, 6, a third bump, 7, a second circular rail, 8, a fourth bump, 9, a second cylindrical pipe, 10, a first clamping plate, 11, a first lifting rod, 12, a second clamping plate, 13, a first supporting rod, 14, a second supporting rod, 15, a lifter, 16, a second lifting rod, 19, a first frame, 20, a first fixing block, 21, a first sliding frame, 22, a first neutron reflector plate block, 23, a first motor, 24, a first belt, 25, a second frame, 27, a second sliding frame, 28, a second neutron reflector plate block, 29, a second fixing block, 30, a second motor, 31 and a second belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the utility model, a maintenance tool for a spallation neutron source reflector includes an upper cover device and a lower device.

The upper cover device comprises a cylindrical cover 1 and a lifter 15, two lifters 15 are arranged at the top end of the inside of the cylindrical cover 1, a first lifting rod 11 is arranged on each lifter 15, a first clamping plate 10 and a second clamping plate 12 are hinged to the bottom end of each first lifting rod 11, one surface, away from one surface of each first clamping plate 10, of each second clamping plate 12 is hinged to the top end of a second supporting rod 14, one surface, away from one surface of each second clamping plate 12, of each first clamping plate 10 is hinged to the top end of a first supporting rod 13, the first supporting rod 13 is hinged to the bottom end of the second supporting rod 14, a second lifting rod 16 is sleeved in the middle of the inside of each first lifting rod 11, and the top end of each second lifting rod 16 is hinged to the hinged point of the first supporting rod 13 and the second supporting rod 14.

The lower device comprises a second cylindrical pipe 9, a first frame 19, a first sliding frame 21, a second frame 25 and a second sliding frame 27, wherein the left side edge of the second cylindrical pipe 9 is provided with the first frame 19, the left side surface of the second cylindrical pipe 9 is provided with a first motor 23, the upper end and the lower end of the inside of the first frame 19 are respectively and rotatably fixed with a plurality of first gears which are uniformly distributed and arranged, the middle position of the first frame 19 is provided with the first sliding frame 21, the upper end and the lower end of the surface of the first sliding frame 21 are respectively and rotatably fixed with a plurality of second gears which are uniformly distributed and arranged, the first gears and the second gears are mutually meshed, the upper end and the lower end of the inside of the first sliding frame 21 are respectively provided with a first fixed block 20, a first neutron plate block 22 is fixed between the two first fixed blocks 20, the left side edge of the first sliding frame 21 is rotatably fixed with a first rotating shaft, the first rotating shaft and the first motor 23 are driven by winding of a first belt 24, a second frame 25 is arranged on the right side edge of the second cylindrical tube 9, a second motor 30 is arranged on the right side surface of the second cylindrical tube 9, a plurality of third gears which are uniformly distributed and arranged are respectively and rotatably fixed at the upper end and the lower end inside the second frame 25, a second sliding frame 27 is arranged in the middle of the second frame 25, a plurality of fourth gears which are uniformly distributed and arranged are rotatably fixed at the upper end and the lower end of the surface of the second sliding frame 27, the third gears and the fourth gears are mutually meshed, second fixed blocks 29 are respectively arranged at the upper end and the lower end inside the second sliding frame 27, a second neutron emitter block 28 is fixed between the two second fixed blocks 29, a second rotating shaft is rotatably fixed at the right side edge of the second sliding frame 27, and the second rotating shaft and the second motor 30 are driven by winding of a second belt 31.

The surface of the cylindrical cover 1 is provided with a first bump 2, the bottom end of the first cylindrical cover 1 is provided with a first cylindrical pipe 5, the upper end of the surface of the first cylindrical pipe 5 is provided with a second bump 4, the cylindrical cover 1 and the first cylindrical pipe 5 slide up and down through a first circular rail 3, the first bump 2 and the second bump 4 are sleeved between the first circular rails 3, the lower end of the first cylindrical pipe 5 is provided with a second cylindrical pipe 9, the lower end of the surface of the second cylindrical pipe 9 is provided with a fourth bump 8, the lower end of the surface of the first cylindrical pipe 5 is provided with a third bump 6, the second cylindrical pipe 9 and the first cylindrical pipe 5 slide up and down through a second circular rail 7, and the third bump 6 and the fourth bump 8 are sleeved between the second circular rails 7.

The working principle of the utility model is as follows: when the spallation neutron source reflector needs to be maintained, a worker places a maintenance tool of the spallation neutron source reflector on the spallation neutron source reflector, starts the lifter 15, the first lifting rod 11 on the lifter 15 extends downwards, the first clamping plate 10 and the second clamping plate 12 contact the spallation neutron source reflector, then the worker starts the lifter 15, the spallation neutron source reflector is clamped by the first clamping plate 10 and the second clamping plate 12, the worker drives the first sliding frame 21 and the second sliding frame 27 to approach the spallation neutron source reflector through the first belt and the second belt at the first motor and the second motor, so that the first neutron reflector plate 22 and the second neutron reflector plate 28 on the first sliding frame 21 and the second sliding frame 27 contact the spallation neutron source reflector, thereby completing the maintenance work of the spallation neutron source reflector.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A maintenance tool for a spallation neutron source reflector comprises an upper cover device and a lower device, and is characterized in that the upper cover device comprises a cylindrical cover and a lifter, the lower device comprises a second cylindrical pipe, a first frame, a first sliding frame, a second frame and a second sliding frame, the left side edge of the second cylindrical pipe is provided with the first frame, the middle position of the first frame is provided with the first sliding frame, the upper end and the lower end of the inside of the first sliding frame are respectively provided with a first fixed block, the right side edge of the second cylindrical pipe is provided with the second frame, the middle position of the second frame is provided with the second sliding frame, the upper end and the lower end of the inside of the second sliding frame are respectively provided with a second fixed block, the surface of the cylindrical cover is provided with a first convex block, the bottom end of the first cylindrical cover is provided with a first cylindrical pipe, the upper end of the surface of the first cylindrical pipe is provided with a second convex block, the cylindrical cover and the first cylindrical pipe are lifted in a sliding mode through a first circular rail, the lower end of the first cylindrical pipe is provided with a second cylindrical pipe, the lower end of the surface of the second cylindrical pipe is provided with a fourth convex block, and the lower end of the surface of the first cylindrical pipe is provided with a third convex block.

2. A maintenance tool for a spallation neutron source reflector of claim 1, wherein the left side of the second cylindrical tube is provided with a first motor and the right side of the second cylindrical tube is provided with a second motor.

3. A maintenance tool for a spallation neutron source reflector as in claim 1, wherein a plurality of first gears are rotatably fixed at the upper and lower ends of the interior of the first frame respectively, and a plurality of third gears are rotatably fixed at the upper and lower ends of the interior of the second frame respectively.

4. A tool for maintaining a reflector of a spallation neutron source as in claim 1, wherein a plurality of second gears are rotatably fixed on the upper and lower ends of the surface of the first sliding frame, and a plurality of fourth gears are rotatably fixed on the upper and lower ends of the surface of the second sliding frame.

5. A maintenance tool for a spallation neutron source reflector of claim 1, wherein a first neutron emitter plate is fixed between the two first fixed blocks and a second neutron emitter plate is fixed between the two second fixed blocks.