CN112882086A

CN112882086A - 3D testing equipment and method for uniformity of rotating cathode magnetic field

Info

Publication number: CN112882086A
Application number: CN202110319422.5A
Authority: CN
Inventors: 郭江涛; 文继志
Original assignee: Woz Vacuum Technology Jiaxing Co ltd
Current assignee: Woz Vacuum Technology Jiaxing Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-06-01

Abstract

The invention belongs to the technical field of testing equipment, and particularly relates to 3D testing equipment for uniformity of a rotating cathode magnetic field and a testing method thereof. The height of the main body of the testing equipment can be conveniently and quickly adjusted by arranging the base, the supporting plate and the lifting mechanism, so that the testing equipment can adapt to workers with different heights, the overall height can be reduced when the testing equipment needs to be transported, and the transportation is convenient.

Description

3D testing equipment and method for uniformity of rotating cathode magnetic field

Technical Field

The invention relates to the technical field of testing equipment, in particular to 3D testing equipment and a testing method for the uniformity of a rotating cathode magnetic field.

Background

The photomultiplier tube PMT is a photoelectric conversion device that converts a weak optical signal into an electrical signal that is easy to collect and process. The photomultiplier is composed of a photocathode (photoemission cathode), a focusing electrode, an electron multiplier, an anode (electron collector), and the like. The spherical photomultiplier is applied to the field of high-energy cosmic ray detection and is a window for cosmic origin and evolution. The uniformity of the photomultiplier refers to a parameter for measuring the consistency of the output of the photomultiplier when the specified position of the photocathode is irradiated successively by the same incident light intensity, and the uniformity of the photomultiplier is an important link influencing the performance and the imaging quality of the imaging device.

According to the automatic testing device for the uniformity of the spherical photomultiplier, which is disclosed by the prior authorization notice No. CN207123620U, the height of a testing rack of the device cannot be adjusted, so that the device cannot be well adapted to workers with different heights, the whole height is high, and the transportation is inconvenient, so that a 3D testing device for the uniformity of a rotating cathode magnetic field is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides 3D testing equipment and a testing method for the uniformity of a magnetic field of a rotating cathode, which solve the problems in the background art.

The second technical proposal.

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a rotary cathode magnetic field homogeneity 3D test equipment, includes the base, be provided with the backup pad in the base, the top of backup pad is fixed with the test equipment main part, install the elevating system who is used for adjusting the backup pad height on the base, the universal wheel is all installed in the bottom four corners of base, the both sides wall of base all is fixed with the fixed plate, electric putter is all fixed to the bottom of fixed plate, electric putter's output all is fixed with the connecting plate, the bottom of connecting plate all is fixed with anti-skidding rubber pad.

Further, elevating system includes two lead screws, two the lead screw symmetry sets up in the base, two the both ends of lead screw all rotate with the bottom and the top of base respectively through the bearing and are connected, two the top of lead screw all runs through the top of base, the top one end of base is fixed with the L template, the top of L template is fixed with servo motor, servo motor and the top fixed connection of adjacent lead screw, the base internal symmetry is fixed with four montants, backup pad and two lead screw threaded connection, the backup pad slides on the surface of four montants, two the bottom of lead screw is all overlapped and is established and be fixed with the gear, the below of backup pad is provided with the chain, two the gear passes through chain drive and connects.

Furthermore, the bottom end of the vertical rod is sleeved with a stop block.

Furthermore, T-shaped guide rods are fixed at two ends of the top of the connecting plate, and the top ends of the T-shaped guide rods penetrate through the top of the fixing plate in a sliding mode.

Furthermore, two push handles are symmetrically fixed on one side wall of the base.

The invention also provides a 3D testing method for the uniformity of the magnetic field of the rotating cathode, and the 3D testing equipment for the uniformity of the magnetic field of the rotating cathode is adopted for testing.

(III) advantageous effects

Compared with the prior art, the invention provides a 3D testing device for the uniformity of a rotating cathode magnetic field, which has the following beneficial effects:

according to the invention, through arranging the base, the supporting plate and the lifting mechanism, the height of the testing equipment main body can be conveniently and rapidly adjusted, so that the testing equipment main body can adapt to workers with different heights, and the overall height can be reduced when the testing equipment main body needs to be transported, so that the transportation is convenient, and through arranging the fixing plate, the electric push rod, the connecting plate and the anti-skid rubber pad, the equipment can be conveniently stabilized after being moved to a required position.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic view of a support plate according to the present invention;

fig. 4 is a schematic structural view of a fixing plate according to the present invention.

In the figure: 1. a base; 2. a support plate; 3. a test device main body; 4. a lifting mechanism; 401. a screw rod; 402. an L-shaped plate; 403. a servo motor; 404. a vertical rod; 405. a gear; 406. a chain; 407. a stopper; 5. a universal wheel; 6. a fixing plate; 7. an electric push rod; 8. a connecting plate; 9. an anti-skid rubber pad; 10. a T-shaped guide rod; 11. a pushing handle.

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.

Examples

As shown in fig. 1, a 3D testing device for uniformity of a rotating cathode magnetic field according to an embodiment of the present invention includes a base 1, a supporting plate 2 is disposed in the base 1, a testing device main body 3 is fixed to the top of the supporting plate 2, a lifting mechanism 4 for adjusting the height of the supporting plate 2 is mounted on the base 1, universal wheels 5 are mounted at four corners of the bottom of the base 1, fixing plates 6 are fixed to two side walls of the base 1, electric push rods 7 are fixed to the bottoms of the fixing plates 6, a connecting plate 8 is fixed to an output end of each electric push rod 7, and an anti-skid rubber pad 9 is fixed to the bottom of each connecting plate 8; to sum up, when the height of the test device main body 3 needs to be adjusted, the height of the supporting plate 2 can be adjusted by the aid of the lifting mechanism 4, after the test device is moved to a required position, the electric push rod 7 can be started, the electric push rod 7 can drive the corresponding connecting plate 8 to move downwards, accordingly, the anti-skid rubber pad 9 can be in contact with the ground, and therefore the test device main body 3 can be placed stably.

As shown in fig. 1, 2 and 3, in some embodiments, the lifting mechanism 4 includes two lead screws 401, the two lead screws 401 are symmetrically disposed in the base 1, two ends of the two lead screws 401 are rotatably connected to the bottom and the top of the base 1 through bearings, top ends of the two lead screws 401 penetrate through the top of the base 1, one end of the top of the base 1 is fixed with an L-shaped plate 402, a top of the L-shaped plate 402 is fixed with a servo motor 403, the servo motor 403 is fixedly connected to a top end of an adjacent lead screw 401, four vertical rods 404 are symmetrically fixed in the base 1, the support plate 2 is in threaded connection with the two lead screws 401, the support plate 2 slides on surfaces of the four vertical rods 404, bottom ends of the two lead screws 401 are sleeved with and fixed with a gear 405, a chain 406 is disposed below the support plate 2, the two gears 405 are in transmission connection through the chain 406, when the height of the support plate 2, the servo motor 403 can drive the corresponding screw rods 401 to rotate, and under the action of the two gears 405 and the chain 406, the other screw rod 401 can also rotate together, and the two screw rods 401 can drive the support plate 2 to move in the vertical direction, so that the height of the support plate 2 can be adjusted.

As shown in fig. 1, in some embodiments, the bottom ends of the vertical rods 404 are respectively fixed with a stop 407 for limiting, so as to prevent the support plate 2 from touching the gear 405 during the descending process.

As shown in fig. 1 and 4, in some embodiments, T-shaped guide rods 10 are fixed at both ends of the top of the connecting plate 8, and the top ends of the T-shaped guide rods 10 slide through the top of the fixing plate 6, so that the connecting plate 8 can be more stable when moving, and two guide holes for the T-shaped guide rods 10 to pass through are symmetrically formed in the top of the fixing plate 6.

As shown in fig. 1, in some embodiments, two push handles 11 are symmetrically fixed on a side wall of the base 1, so as to facilitate pushing the device, and an anti-slip rubber sleeve is sleeved and fixed on one end of each push handle 11, so as to achieve a better anti-slip effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotary cathode magnetic field homogeneity 3D test equipment, includes base (1), its characterized in that: be provided with backup pad (2) in base (1), the top of backup pad (2) is fixed with test equipment main part (3), install elevating system (4) that are used for adjusting backup pad (2) height on base (1), universal wheel (5) are all installed in the bottom four corners of base (1), the both sides wall of base (1) all is fixed with fixed plate (6), electric putter (7) are all fixed to the bottom of fixed plate (6), the output of electric putter (7) all is fixed with connecting plate (8), the bottom of connecting plate (8) all is fixed with anti-skidding rubber pad (9).

2. The rotating cathode magnetic field uniformity 3D test apparatus of claim 1, wherein: the lifting mechanism (4) comprises two lead screws (401), the two lead screws (401) are symmetrically arranged in a base (1), two ends of the lead screws (401) are respectively and rotatably connected with the bottom and the top of the base (1) through bearings, the top ends of the two lead screws (401) penetrate through the top of the base (1), an L-shaped plate (402) is fixed at one end of the top of the base (1), a servo motor (403) is fixed at the top of the L-shaped plate (402), the servo motor (403) is fixedly connected with the top ends of the adjacent lead screws (401), four vertical rods (404) are symmetrically fixed in the base (1), a support plate (2) is in threaded connection with the two lead screws (401), the support plate (2) slides on the surfaces of the four vertical rods (404), and gears (405) are fixedly sleeved at the bottom ends of the two lead screws (401), a chain (406) is arranged below the supporting plate (2), and the two gears (405) are in transmission connection through the chain (406).

3. The rotating cathode magnetic field uniformity 3D test apparatus of claim 1, wherein: the bottom ends of the vertical rods (404) are all sleeved with and fixed with stop blocks (407).

4. The rotating cathode magnetic field uniformity 3D test apparatus of claim 1, wherein: t-shaped guide rods (10) are fixed at two ends of the top of the connecting plate (8), and the top ends of the T-shaped guide rods (10) penetrate through the top of the fixing plate (6) in a sliding mode.

5. The rotating cathode magnetic field uniformity 3D test apparatus of claim 1, wherein: two push handles (11) are symmetrically fixed on one side wall of the base (1).

6. A3D testing method for uniformity of a rotating cathode magnetic field is characterized by comprising the following steps: the test is carried out by using a 3D testing device for the uniformity of the magnetic field of the rotating cathode as claimed in any one of claims 1 to 5.