CN213122306U - Structure for measuring low background alpha rays - Google Patents

Abstract

The utility model discloses a be used for low background alpha ray measurement's structure belongs to alpha ray measurement technical field. A structure for measuring low background alpha rays comprises a placing cavity, wherein a sliding plate is connected in the placing cavity in a sliding mode, a plurality of groups of first springs are fixedly connected to the bottom end of the placing cavity, one ends, far away from the placing cavity, of the first springs are fixedly connected with the sliding plate, first fixing grooves are formed in two sides of the placing cavity, rotating blocks are rotatably connected to two sides of the sliding plate, and connecting rods are fixedly connected to the rotating blocks; the utility model discloses, through slide, first spring, first slide bar, first fixed slot, dwang, connecting rod, etc. realized conveniently will wait to detect the thing and place on the slide, and then realized conveniently will wait to detect the thing and put into and place the intracavity, through first slide bar, clamping bar, spout, second spring etc. realized waiting different thickness and detect the fixed purpose of thing under by a wide margin, reduced the harm of treating the detection thing.

Description

Structure for measuring low background alpha rays

Technical Field

The utility model relates to an alpha ray measurement technical field especially relates to a structure for low background alpha ray measurement.

Background

Alpha rays, also called alpha particle beams, are helium nuclei which are emitted by radioactive substances and move at high speed;

the low background is often in building material radioactivity detection and water quality analysis, utilize the lead chamber as shielding effect in order to reduce the interference influence, place the measuring object in wherein, current detection device is when utilizing alpha ray to measure, need wait to detect earlier and do not put into and place the intracavity, just can carry out operation on next step like this, but wait to detect the thing and have a size, it is inconvenient sometimes to wait to detect the thing and put into and place the intracavity, if can treat that the thing that detects causes the harm if place by force, consequently proposed a structure that is used for low background alpha ray to measure according to current demand.

Disclosure of Invention

The utility model aims at solving the problem that an object to be detected is convenient to place in placing the intracavity, and the structure for low background alpha ray measurement is proposed.

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

a structure for measuring low background alpha rays comprises a placing cavity, wherein a sliding plate is connected in the placing cavity in a sliding mode, a plurality of groups of first springs are fixedly connected to the bottom end of the placing cavity, one ends, far away from the placing cavity, of the first springs are fixedly connected with the sliding plate, first fixing grooves are formed in two sides of the placing cavity, two sides of the sliding plate are rotatably connected with rotating blocks, connecting rods are fixedly connected to the rotating blocks and are attached to the inner wall of the placing cavity, a rotating rod is connected to the upper end of each connecting rod, one end, far away from the connecting rods, of each rotating rod is rotatably connected with a sliding cylinder, a second sliding rod is slidably connected in the sliding cylinder, a supporting spring is arranged in the sliding cylinder, two ends of each supporting spring are fixedly connected with the sliding cylinder and the second sliding rod respectively, a second fixing groove is;

a plurality of groups of stop blocks are arranged in the first fixing groove, the stop blocks are matched with the rotating blocks, one ends, far away from the stop blocks, of the rotating blocks are connected with third springs, and one ends, far away from the rotating blocks, of the third springs are fixedly connected with the sliding plate.

Preferably, the sliding plate is symmetrically provided with sliding grooves, the sliding grooves are connected with paired first sliding rods in a sliding mode, the first sliding rods are connected with clamping rods in a sliding mode, the clamping rods are connected in a paired mode, elastic belts are connected between the clamping rods in a paired mode, a second spring is arranged in the first sliding rod, and two ends of the second spring are fixedly connected with the clamping rods and the first sliding rods respectively.

Preferably, the second slide bar is hook-shaped.

Preferably, the clamping bar is L-shaped.

Preferably, the first spring is a coil spring.

Compared with the prior art, the utility model provides a be used for low background alpha ray measurement's structure possesses following beneficial effect:

when the device is used, the second sliding rod is pulled downwards, the supporting spring is stretched, the sliding cylinder is rotated, the second sliding rod is separated from the second fixing groove, the connecting rod is pressed downwards, meanwhile, the connecting rod is rotated, the connecting rod is fixedly connected with the rotating block, the rotating block is further driven to rotate, the third spring is compressed, the rotating block is further separated from the stop block, the sliding plate slides upwards under the pushing of the first spring, an object to be detected can be conveniently placed on the sliding plate, the object to be detected can be fixed through the clamping rod, the sliding of the object is reduced, and the measuring result is prevented from being influenced;

make the slide lapse through pressing the connecting rod, compress first spring, release the connecting rod after reacing the position, under the promotion through third spring elasticity, make turning block and connecting rod get back to original position, under the promotion of first spring elasticity, make the turning block be connected with the dog, and then play fixed effect, with second slide bar and second fixed slot phase-match simultaneously, play the effect fixed to the connecting rod, further play the fixed purpose of many slides.

The device does not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses, through slide, first spring, first slide bar, first fixed slot, dwang, connecting rod, etc. realized conveniently will wait to detect the thing and place on the slide, and then realized conveniently will waiting to detect the thing and put into and place the intracavity, through first slide bar, clamping bar, spout, second spring etc. realized waiting to detect the fixed purpose of thing with different thickness and under the great, reduced the harm of treating the detection thing.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of a structure for low background alpha ray measurement proposed by the present invention;

fig. 2 is a schematic top view of a structure for low background alpha-ray measurement according to the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 1 for low background alpha-ray measurement according to the present invention;

fig. 4 is a schematic structural diagram of a portion B in fig. 1 for low background alpha-ray measurement according to the present invention;

fig. 5 is a schematic structural diagram of a portion C in fig. 1 for low background alpha-ray measurement according to the present invention.

In the figure: 1. a placement chamber; 2. a slide plate; 3. a first spring; 4. a first slide bar; 5. a first fixing groove; 6. a clamping bar; 7. a chute; 8. a second spring; 9. rotating the rod; 10. a connecting rod; 11. a slide cylinder; 12. a second slide bar; 13. a second fixing groove; 14. a support spring; 15. a stopper; 16. a third spring; 17. rotating the block; 18. an elastic band.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-5, a structure for low background alpha ray measurement, comprising a placing cavity 1, a sliding plate 2 slidably connected in the placing cavity 1, a plurality of groups of first springs 3 fixedly connected to the bottom end of the placing cavity 1, one end of each first spring 3 far from the placing cavity 1 fixedly connected to the sliding plate 2, first fixing grooves 5 respectively provided on both sides of the placing cavity 1, a rotating block 17 rotatably connected to both sides of the sliding plate 2, a connecting rod 10 fixedly connected to the rotating block 17, the connecting rod 10 attached to the inner wall of the placing cavity 1, a rotating rod 9 connected to the upper end of the connecting rod 10, a sliding cylinder 11 rotatably connected to one end of the rotating rod 9 far from the connecting rod 10, a second sliding rod 12 slidably connected to the sliding cylinder 11, a supporting spring 14 provided in the sliding cylinder 11, and two ends of the supporting spring, the second sliding rod 12 is fixedly connected, a second fixing groove 13 is arranged on the placing cavity 1, and the second fixing groove 13 is matched with the second sliding rod 12;

a plurality of groups of stop blocks 15 are arranged in the first fixing groove 5, the stop blocks 15 are matched with the rotating blocks 17, one ends, far away from the stop blocks 15, of the rotating blocks 17 are connected with third springs 16, and one ends, far away from the rotating blocks 17, of the third springs 16 are fixedly connected with the sliding plate 2.

When the device is used, the second sliding rod 12 is pulled downwards, the supporting spring 14 is stretched, the sliding cylinder 11 is rotated, the second sliding rod 12 is separated from the second fixing groove 13, the connecting rod 10 is pressed downwards, meanwhile, the connecting rod 10 is rotated, the connecting rod 10 is fixedly connected with the rotating block 17, the rotating block 17 is further driven to rotate, the third spring 16 is compressed, the rotating block 17 is further separated from the stop block 15, the sliding plate 2 slides upwards under the pushing of the first spring 3, an object to be detected is further conveniently placed on the sliding plate 2, the object to be detected can be fixed through the clamping rod 6, the sliding of the object is reduced, and the measuring result is prevented from being influenced;

make slide 2 slide down through pressing connecting rod 10, compress first spring 3, release connecting rod 10 after reacing the position, under the promotion through third spring 16 elasticity, make turning block 17 and connecting rod 10 get back to original position, under the promotion of first spring 3 elasticity, make turning block 17 be connected with dog 15, and then play fixed effect, with second slide bar 12 and second fixed slot 13 phase-match simultaneously, play the fixed effect to connecting rod 10, further play the fixed purpose of many slides 2.

Example 2:

referring to fig. 1-5, a configuration for low background alpha ray measurement, substantially the same as in example 1, further comprising: the symmetry is equipped with spout 7 on slide 2, sliding connection has first slide bar 4 in pairs in spout 7, sliding connection has clamping bar 6 in first slide bar 4, be connected with elastic band 18 between clamping bar 6 in pairs, be equipped with second spring 8 in the first slide bar 4, second spring 8 both ends respectively with clamping bar 6, first slide bar 4 fixed connection, through removing first slide bar 4, change the distance between clamping bar 6, elastic band 18 is stretched, it places between clamping bar 6 to wait to detect the thing, and then reach the fixed purpose of the thing of awaiting measuring, through tensile clamping bar 6, change the height of clamping bar 6, be convenient for fix the thing of waiting to detect to co-altitude, and then realized waiting to detect the thing to fix the mesh of waiting to detect of co-altitude and different thickness.

Example 3:

referring to fig. 1-5, a configuration for low background alpha ray measurement, substantially the same as in example 1, further comprising: the second slide bar 12 is hook-shaped to facilitate fixing of the connecting rod 10.

Example 4:

referring to fig. 1-5, a configuration for low background alpha ray measurement, substantially the same as in example 1, further comprising: the clamping rod 6 is L-shaped, so that the function of blocking the object to be detected is facilitated.

Example 5:

referring to fig. 1-5, a configuration for low background alpha ray measurement, substantially the same as in example 1, further comprising: the first spring 3 is a hot coil spring, which ensures sufficient elasticity of the spring and is convenient to operate.

The utility model discloses in, through slide 2, first spring 3, first slide bar 4, first fixed slot 5, dwang 9, connecting rod 10, etc. realized that the convenience will wait to detect the thing and place on slide 2, and then realized that the convenience will wait to detect the thing and put into and place the chamber 1, through first slide bar 4, clamping bar 6, spout 7, second spring 8 etc. realized waiting different thickness and waiting to detect the fixed purpose of thing greatly, reduced the harm of treating the detection thing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a structure for low background alpha ray measurement, includes places chamber (1), its characterized in that, it has slide plate (2) to place sliding connection in chamber (1), place chamber (1) bottom fixedly connected with multiunit first spring (3), first spring (3) are kept away from the one end of placing chamber (1) and are connected with slide plate (2) fixed connection, it all is equipped with first fixed slot (5) to place chamber (1) both sides, slide plate (2) both sides all rotate and are connected with turning block (17), fixedly connected with connecting rod (10) on turning block (17), connecting rod (10) with place chamber (1) inner wall and paste mutually, connecting rod (10) upper end is connected with dwang (9), the one end that connecting rod (10) were kept away from to dwang (9) rotates and is connected with slide barrel (11), sliding connection has second slide bar (12) in slide barrel (11), a supporting spring (14) is arranged in the sliding barrel (11), two ends of the supporting spring (14) are respectively and fixedly connected with the sliding barrel (11) and the second sliding rod (12), a second fixing groove (13) is arranged on the placing cavity (1), and the second fixing groove (13) is matched with the second sliding rod (12);

be equipped with multiunit dog (15) in first fixed slot (5), dog (15) and turning block (17) phase-match, the one end that turning block (17) kept away from dog (15) is connected with third spring (16), the one end and slide (2) fixed connection that turning block (17) were kept away from in third spring (16).

2. The structure for low background alpha ray measurement according to claim 1, wherein sliding grooves (7) are symmetrically arranged on the sliding plate (2), a pair of first sliding rods (4) are slidably connected in the sliding grooves (7), clamping rods (6) are slidably connected in the first sliding rods (4), an elastic band (18) is connected between the pair of clamping rods (6), a second spring (8) is arranged in the first sliding rod (4), and two ends of the second spring (8) are respectively fixedly connected with the clamping rods (6) and the first sliding rod (4).

3. The structure for low background alpha-ray measurements according to claim 1, characterized in that said second slide bar (12) is hook-shaped.

4. A structure for low background alpha-ray measurements according to claim 2, characterized in that said clamping bar (6) is L-shaped.

5. A structure for low background alpha-ray measurements according to claim 2, characterized in that said first spring (3) is a hot coil spring.

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