CN215411277U

CN215411277U - Low background alpha beta measuring apparatu bearing structure

Info

Publication number: CN215411277U
Application number: CN202121768989.2U
Authority: CN
Inventors: 张士梅; 尹双全
Original assignee: Tianjin Aoxi Environmental Protection Technology Co ltd
Current assignee: Tianjin Aoxi Environmental Protection Technology Co ltd
Priority date: 2021-08-01
Filing date: 2021-08-01
Publication date: 2022-01-04
Anticipated expiration: 2031-08-01

Abstract

The utility model discloses a low-background alpha beta measuring instrument supporting structure which comprises a measuring instrument body and a base, wherein the bottom end of the measuring instrument body is fixedly connected with the base, universal wheels are fixedly connected at four corners of the bottom end of the base, mounting blocks are fixedly connected to the lower portions of two sides of the base, lead screws are connected to the mounting blocks in a threaded mode, the bottom ends of the lead screws penetrate through the mounting blocks and are fixedly connected with supporting blocks, limiting pads are fixedly glued to the bottom ends of the supporting blocks, the bottom end of the base is connected with a pressing plate through a push rod, the lower end face of the pressing plate is connected with a sucking disc through a spring, a knob is arranged on one side of the base and is connected with the base through a rotating rod, a mounting rod is arranged in the base and is rotatably connected with the base, a first gear is fixedly sleeved on the upper end of the mounting rod, and the first gear is meshed with a second gear. The stability of the measuring instrument body can be increased, and the phenomenon of displacement of the measuring instrument body is avoided.

Description

Low background alpha beta measuring apparatu bearing structure

Technical Field

The utility model relates to the technical field of low-background alpha beta measuring instruments, in particular to a supporting structure of a low-background alpha beta measuring instrument.

Background

Alpha particles are particles emitted by radioactive substances when they decay, and are composed of two neutrons and two protons (helium-4), the mass of which is 4 times that of hydrogen atoms, the speed of which can reach two ten thousand kilometers per second, and the particles are positively charged. Beta particles, in turn beta particles or beta particles. Refers to the high energy electrons or positrons released when the radioactive material undergoes beta decay. At present, alpha beta particles need to be detected by a measuring instrument, and after the existing low-background alpha beta particle measuring instrument moves, the low-background alpha beta particle measuring instrument cannot be stably placed due to the fact that some ground surfaces are not flat enough.

Therefore, a low-background alpha beta measuring instrument supporting structure is provided.

Disclosure of Invention

The utility model mainly aims to provide a low-background alpha beta measuring instrument supporting structure which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a low background alpha beta measuring instrument supporting structure comprises a measuring instrument body and a base, wherein the bottom end of the measuring instrument body is fixedly connected with the base, universal wheels are fixedly connected at four corners of the bottom end of the base, mounting blocks are fixedly connected to the lower portions of two sides of the base, lead screws are connected to the mounting blocks in a threaded mode, the bottom ends of the lead screws penetrate through the mounting blocks and are fixedly connected with supporting blocks, limiting pads are fixedly glued to the bottom ends of the supporting blocks, four universal wheels are arranged, and pressing plates are located between the four universal wheels;

the base bottom is connected with the clamp plate through the push rod, the terminal surface passes through the spring and is connected with the sucking disc under the clamp plate, base one side is equipped with the knob, the knob passes through the swing arm and is connected with the base, and the knob can drive the swing arm and rotate, and the swing arm can drive the second gear and rotate, and the second gear drives first gear and rotates, and first gear drives the installation pole and rotates, through the screw-thread fit of installation pole and fly leaf to make the fly leaf can promote the clamp plate through the push rod and do the downstream, adsorb subaerial until making the sucking disc of clamp plate terminal surface down.

Further, be equipped with the installation pole in the base, the installation pole rotates with the base to be connected, the fixed cover in installation pole upper end has first gear.

Further, the first gear is meshed with a second gear, and the first gear and the second gear are arranged in a right-angle structure.

Furthermore, a movable plate is sleeved on the mounting rod, a push rod is vertically inserted into the lower end face of the movable plate, and one end of the push rod, which is far away from the movable plate, penetrates through the base and is vertically inserted into the pressing plate.

Furthermore, the pressing plate and the movable plate are arranged in parallel relatively, a threaded groove is formed in the mounting rod, and the movable plate is located below the first gear.

Furthermore, one end of the rotary rod, which is far away from the knob, penetrates through the base and is fixedly connected with the second gear, the rotary rod and the movable plate are arranged in parallel relatively, and the rotary rod is in threaded fit with the movable plate.

Compared with the prior art, the utility model has the following beneficial effects: the four lead screws can be respectively adjusted, so that the measuring instrument body can be adjusted to be in a balanced state, the angle of the sucker can be adjusted through the design of the spring, the sucker can be adsorbed on the ground with unevenness, the position of the measuring instrument body can be limited, the phenomenon of displacement of the measuring instrument body is avoided, the stability of the measuring instrument body is improved, and through the design of the knob, the rotary rod, the first gear, the second gear, the movable plate and the push rod, the height of the pressing plate can be conveniently adjusted, and the height of the sucker can be adjusted.

Drawings

Fig. 1 is a schematic structural diagram of a support structure of a low background α β measurement instrument according to the present invention.

Fig. 2 is a schematic view of the internal structure of the base of the support structure of the low background α β measurement instrument of the present invention.

Fig. 3 is an enlarged view of a portion a of the support structure of the low background α β measurement instrument of the present invention shown in fig. 2.

In the figure: 1. a gauge body; 2. a base; 3. mounting blocks; 4. a screw rod; 5. a support block; 6. a universal wheel; 7. a limiting pad; 8. a movable plate; 9. a push rod; 10. mounting a rod; 11. rotating the rod; 12. a knob; 13. pressing a plate; 14. a spring; 15. a suction cup; 16. a first gear; 17. a second gear.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a low background α β measurement instrument supporting structure comprises a measurement instrument body 1 and a base 2, wherein the base 2 is fixedly connected to the bottom end of the measurement instrument body 1, universal wheels 6 are fixedly connected to four corners of the bottom end of the base 2, mounting blocks 3 are fixedly connected to the lower portions of two sides of the base 2, a lead screw 4 is connected to each mounting block 3 in a threaded manner, the bottom end of each lead screw 4 penetrates through each mounting block 3 to be fixedly connected with a supporting block 5, a limiting pad 7 is fixedly glued to the bottom end of each supporting block 5, four universal wheels 6 are provided, and a pressing plate 13 is located between the four universal wheels 6;

2 bottom of base is passed through push rod 9 and is connected with clamp plate 13, the terminal surface passes through spring 14 and is connected with sucking disc 15 under

clamp plate

13, 2 one side of base is equipped with knob 12, knob 12 is connected with base 2 through swing arm 11, and knob 12 can drive swing arm 11 and rotate, and swing arm 11 can drive second gear 17 and rotate, and second gear 17 drives first gear 16 and rotates, and first gear 16 drives installation pole 10 and rotates, through the screw-thread fit of installation pole 10 with fly leaf 8 to make fly leaf 8 can promote clamp plate 13 through push rod 9 and do the downstream, adsorb subaerial until make the sucking disc 15 of clamp plate 13 lower extreme face.

The base 2 is internally provided with an installation rod 10, the installation rod 10 is rotatably connected with the base 2, and a first gear 16 is fixedly sleeved at the upper end of the installation rod 10.

Wherein, the first gear 16 is meshed with the second gear 17, and the first gear 16 and the second gear 17 are arranged in a right-angle structure.

A movable plate 8 is further sleeved on the mounting rod 10, a push rod 9 is vertically inserted into the lower end face of the movable plate 8, and one end, far away from the movable plate 8, of the push rod 9 penetrates through the base 2 and is vertically inserted into the pressing plate 13.

The pressing plate 13 is arranged in parallel with the movable plate 8, the mounting rod 10 is provided with a threaded groove, and the movable plate 8 is located below the first gear 16.

One end of the rotating rod 11, which is far away from the knob 12, penetrates through the base 2 and is fixedly connected with the second gear 17, the rotating rod 11 and the movable plate 8 are arranged in parallel relatively, and the rotating rod 11 and the movable plate 8 are in threaded fit.

The utility model is to be noted that, the low background α β measurement instrument support structure is obtained by firstly moving the measurement instrument body 1 to a proper position through the universal wheel 6, then screwing the lead screw 4 on the mounting block 3, the lead screw 4 pushing the support block 5 to move downwards, adjusting the four lead screws 4 respectively until the measurement instrument body 1 can keep balance, then screwing the knob 12, the knob 12 can drive the rotary rod 11 to rotate, the rotary rod 11 can drive the second gear 17 to rotate, the second gear 17 drives the first gear 16 to rotate, the first gear 16 drives the mounting rod 10 to rotate, and the movable plate 8 can push the pressing plate 13 to move downwards through the push rod 9 by means of the threaded fit of the mounting rod 10 and the movable plate 8 until the suction cup 15 on the lower end surface of the pressing plate 13 is adsorbed on the ground.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The low-background alpha and beta measuring instrument supporting structure comprises a measuring instrument body (1) and is characterized by further comprising a base (2), wherein the base (2) is fixedly connected to the bottom end of the measuring instrument body (1), universal wheels (6) are fixedly connected to four corners of the bottom end of the base (2), mounting blocks (3) are fixedly connected to the lower portions of two sides of the base (2), a lead screw (4) is connected to each mounting block (3) in a threaded mode, the bottom end of each lead screw (4) penetrates through each mounting block (3) to be fixedly connected with a supporting block (5), and a limiting pad (7) is fixedly glued to the bottom end of each supporting block (5);

the base (2) bottom is connected with clamp plate (13) through push rod (9), the terminal surface passes through spring (14) and is connected with sucking disc (15) under clamp plate (13), base (2) one side is equipped with knob (12), knob (12) are connected with base (2) through swing arm (11).

2. The low background α β gauge support structure of claim 1, wherein: be equipped with installation pole (10) in base (2), installation pole (10) are rotated with base (2) and are connected, first gear (16) have been put to the fixed cover in installation pole (10) upper end.

3. The low background α β gauge support structure of claim 2, wherein: the first gear (16) is meshed with the second gear (17), and the first gear (16) and the second gear (17) are arranged in a right-angle structure.

4. The low background α β gauge support structure of claim 2, wherein: the mounting rod (10) is further sleeved with a movable plate (8), a push rod (9) is vertically inserted into the lower end face of the movable plate (8), and one end, far away from the movable plate (8), of the push rod (9) penetrates through the base (2) and is vertically inserted into the pressing plate (13).

5. The low background α β gauge support structure of claim 4, wherein: the pressing plate (13) and the movable plate (8) are arranged in parallel relatively, a thread groove is formed in the mounting rod (10), and the movable plate (8) is located below the first gear (16).

6. The low background α β gauge support structure of claim 1, wherein: one end of the rotary rod (11) far away from the knob (12) penetrates through the base (2) to be fixedly connected with the second gear (17), and the rotary rod (11) and the movable plate (8) are arranged in parallel relatively.