阅读说明：本技术 一种基于eva放射性料位计的料位计界面测量装置及方法 (Device and method for measuring interface of charge level indicator based on EVA radioactive charge level indicator ) 是由 翁毅兵 张震 李秀洁 唐秋也 李丹苹 于 2021-06-07 设计创作，主要内容包括：本发明涉及放射性料位计、料位测量技术领域,方案为一种基于EVA放射性料位计的料位计界面测量装置,包括底板,所述底板底端四角处设置有滚轮,所述底板顶端中部设置有自动升降杆,所述自动升降杆下部后侧连接有驱动电机,所述自动升降杆顶部活动杆端设置有U型支架,本发明通过设计的驱动电机以及自动升降杆,能够调节料位计的工作位置,在料位变换超出量程之后,可以远程启动驱动电机,进行料位计的升降调节,从而有效提高了单一料位计的工作区间,且调节过程无需人近距离参与,从而避免了射线对人体的伤害,通过设计的可调节的U型支架,能够根据不同尺寸的储料仓进行调节,从而使得料位计移动至合适的检测位,使得料位计使用更具灵活性。(The invention relates to the technical field of radioactive material level meters and material level measurement, and the scheme is that a material level meter interface measuring device based on an EVA radioactive material level meter comprises a bottom plate, wherein rollers are arranged at four corners of the bottom end of the bottom plate, an automatic lifting rod is arranged in the middle of the top end of the bottom plate, a driving motor is connected to the rear side of the lower part of the automatic lifting rod, and a U-shaped support is arranged at the movable rod end at the top of the automatic lifting rod. Thereby, the material level meter is moved to a proper detection position, and the material level meter is more flexible to use.)

1. The utility model provides a charge level indicator interface measuring device based on EVA radioactivity charge level indicator, a serial communication port, including bottom plate (1), bottom plate (1) bottom four corners department is provided with gyro wheel (2), bottom plate (1) top middle part is provided with automatic lift pole (4), automatic lift pole (4) lower part rear side is connected with driving motor (5), automatic lift pole (4) top activity rod end is provided with U type support (7), the one end of U type support (7) is connected with detector (8), the other end of U type support (7) is connected with radiation source (9).

2. The EVA radioactive level gauge-based level gauge interface measurement device of claim 1, wherein: automatic lifter (4) include sleeve pipe (41), sleeve pipe (41) inner chamber lower part is provided with baffle (42), baffle (42) top middle part is rotated and is provided with threaded rod (43), threaded rod (43) bottom is run through baffle (42) bottom and is connected with first bevel gear (44), first bevel gear (44) lower part meshing is connected with second bevel gear (45), the output shaft of driving motor (5) runs through sleeve pipe (41) and is connected with second bevel gear (45), sleeve pipe (41) top activity is inserted and is equipped with hollow post (46), hollow post (46) bottom is run through in threaded rod (43) top spiro union is stretched into its inner chamber, hollow post (46) top is provided with layer board (47).

3. The EVA radioactive level gauge-based level gauge interface measurement device of claim 1, wherein: the U-shaped bracket (7) is a shaped U-shaped rod.

4. The EVA radioactive level gauge-based level gauge interface measurement device of claim 1, wherein: the U-shaped support (7) comprises a middle pipe (71), adjusting rods (72) are correspondingly movably inserted at two ends of the middle pipe (71), first positioning screw rods (73) are symmetrically arranged at the top end of the middle pipe (71) in the left-right direction, and an equipment cantilever is arranged at one end, far away from the middle pipe (71), of each adjusting rod (72).

5. The EVA radioactive level gauge-based level gauge interface measurement device of claim 4, wherein: the equipment cantilever comprises a tubular arm (74) fixedly connected with an adjusting rod (72), a movable arm (75) is movably inserted into the front end of the tubular arm (74), and a second positioning screw rod (76) is arranged on the tubular arm (74).

6. A level gauge interface measuring device based on EVA radioactive level gauge according to any of claims 1-5, characterized in that: the front wall lower part of automatic rising pole (4) is provided with pastes and leans on mechanism (10), paste and lean on mechanism (10) including pasting backup plate (101), paste backup plate (101) and be connected with automatic rising pole (4) through connecting rod (102).

7. The EVA radioactive level gauge-based level gauge interface measurement device of claim 6, wherein: the connecting rod (102) is an adjustable telescopic rod.

8. The EVA radioactive level gauge-based level gauge interface measurement device of claim 6, wherein: the middle part of the leaning plate (101) is provided with a multi-angle V surface (1011), and planes (1012) are arranged on two sides of the multi-angle V surface (1011).

9. The EVA radioactive level gauge-based level gauge interface measurement device of claim 1, wherein: four corners of the top end of the bottom plate (1) are all connected with anti-slip screws (3) in a penetrating and screwed mode.

10. The method for using the EVA radioactive level gauge-based level gauge interface measuring device according to claim 6, comprising the steps of:

s1, moving the whole device to the position near the storage bin 11, and finely adjusting the position of the device until the abutting plate (101) abuts against the surface of the storage bin (11);

s2, fixing the roller (2) to prevent the device from moving, loosening the first positioning screw (73), pulling out the adjusting rod (72) until the storage bin (11) is positioned between the left and right equipment cantilevers, and screwing the first positioning screw (73);

s3, loosening the second positioning screw (76), and pulling out the movable arm (75) until the detectors (8) and the radioactive sources (9) on the two sides move to the proper positions on the two sides of the storage bin (11);

s4, starting a driving motor (5), driving a threaded rod (43) to rotate through bevel gear transmission, further driving a hollow column (46) to move upwards through thread transmission, driving a detector (8) and a radioactive source (9) to move to an initial detection position, then electrifying, and carrying out real-time material level measurement;

s5, after a period of time, the material level is lowered to the lower detection limit of the level indicator, at the moment, the driving motor (76) is remotely started, and the hollow column (46) is contracted, so that the detector (8) and the radioactive source (9) move downwards to a secondary detection position;

and S6, repeating the step S5 until the whole process level monitoring of the material is completed.

Technical Field

The invention relates to the technical field of radioactive level gauges and level measurement, in particular to a level gauge interface measuring device and method based on an EVA radioactive level gauge.

Background

The level meter is an instrument for detecting the height change of solid or liquid materials in a container in real time, is widely applied to industries such as steel, chemical engineering, cement, metallurgy, mine and the like, can be divided into a contact type and a non-contact type according to working modes, common types include a mechanical type, a capacitance type, a permanent magnet type, a radio frequency sodium-conducting type and the like, and the non-contact type level meter is generally a gamma ray level meter and is an instrument for measuring the level by utilizing the blocking effect of the materials on gamma rays. In addition to gamma ray level gauges, neutron level gauges and other types of gauges that measure the level using other types of radiation are all isotope level gauges. The gamma ray level indicator is especially suitable for measuring the level under the severe conditions of high temperature, high pressure, high corrosion, high viscosity and the like, and the measured substance can be powder or granular solid or liquid.

Gamma ray charge level indicator is when using, need with radioactive emission source and receiver mutual disposition, adopt the relative setting of level or slope to set up relatively mostly, can set up the relative emission source of multiunit and receiver simultaneously, in the technology of some chemical plants, the reaction of different proportions and liquid level can produce the chemical products of different trade marks, but current radioactive charge level indicator is rigid, can't change the arrangement mode of charge level indicator, and because partial material storehouse size is great, the material is stored deeply, current charge level indicator position is fixed and is leaded to its detection range limited, in case the charge level is less than the range lower limit, just need the high position of manual regulation charge level indicator, not only the operation is inconvenient, and use the time contact at radioactive charge level indicator, can cause the frequent harm to the staff.

Therefore, the invention designs a device and a method for measuring the interface of a charge level indicator based on an EVA radioactive charge level indicator, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a device and a method for measuring a level meter interface based on an EVA radioactive level meter, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a charge level indicator interface measuring device based on EVA radioactivity charge level indicator, includes the bottom plate, bottom plate bottom four corners department is provided with the gyro wheel, bottom plate top middle part is provided with the automatic lifting rod, automatic lifting rod lower part rear side is connected with driving motor, automatic lifting rod top activity rod end is provided with U type support, the one end of U type support is connected with the detector, the other end of U type support is connected with the radiation source.

Preferably, the automatic lifting rod comprises a sleeve, a partition plate is arranged on the lower portion of an inner cavity of the sleeve, a threaded rod is arranged in the middle of the top end of the partition plate in a rotating mode, a first bevel gear is connected to the bottom end of the threaded rod in a penetrating mode, a second bevel gear is connected to the lower portion of the first bevel gear in a meshing mode, an output shaft of the driving motor penetrates through the sleeve and is connected with the second bevel gear, an empty column is movably inserted into the top end of the sleeve, the top end of the threaded rod is in threaded connection with the bottom end of the empty column in a penetrating mode, and a supporting plate is arranged on the top end of the empty column.

Preferably, the U-shaped bracket is a shaped U-shaped rod.

Preferably, the U-shaped support comprises a middle pipe, adjusting rods are correspondingly and movably inserted at two ends of the middle pipe, first positioning screws are symmetrically arranged at the top end of the middle pipe in a left-right mode, and an equipment cantilever is arranged at one end, far away from the middle pipe, of each adjusting rod.

Preferably, the equipment cantilever comprises a tubular arm fixedly connected with the adjusting rod, a movable arm is movably inserted at the front end of the tubular arm, and a second positioning screw is arranged on the tubular arm.

Preferably, the front wall lower part of the automatic lifting rod is provided with an attaching mechanism, the attaching mechanism comprises an attaching plate, and the attaching plate is connected with the automatic lifting rod through a connecting rod.

Preferably, the connecting rod is an adjustable telescopic rod.

Preferably, the middle part of the leaning plate is provided with a multi-angle V surface, and two sides of the multi-angle V surface are provided with planes.

Preferably, the four corners of the top end of the bottom plate are all connected with anti-slip screws in a penetrating and screwed mode.

The use method of the level meter interface measuring device based on the EVA radioactive level meter comprises the following steps:

s1, moving the whole device to the position near the storage bin, and finely adjusting the position of the device until the abutting plate is attached to the surface of the storage bin;

s2, fixing the roller to prevent the device from moving, loosening the first positioning screw rod, pulling out the adjusting rod until the storage bin is positioned between the left and right equipment cantilevers, and screwing the first positioning screw rod;

s3, loosening the second positioning screw rod, pulling out the movable arm until the detectors and the radioactive sources on the two sides move to the proper positions on the two sides of the storage bin;

s4, starting a driving motor, driving a threaded rod to rotate through bevel gear transmission, further enabling the hollow column to perform ascending motion through thread transmission, driving the detector and the radioactive source to move to an initial detection position, then powering on, and performing real-time material level measurement;

s5, after a period of time, the material level is lowered to the lower detection limit of the level indicator, at the moment, the driving motor is remotely started, and the detector and the radioactive source move downwards to a secondary detection position through the shrinkage of the hollow column;

and S6, repeating the step S5 until the whole process level monitoring of the material is completed.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the designed driving motor and the automatic lifting rod, the working position of the charge level indicator can be adjusted, and after the charge level conversion exceeds the measuring range, the driving motor can be remotely started to carry out lifting adjustment on the charge level indicator, so that the working range of a single charge level indicator is effectively increased, and no person participates in the adjustment process in a close range, so that the injury of rays to a human body is avoided;

2. according to the invention, the adjustable U-shaped support is designed, so that the adjustable U-shaped support can be adjusted according to storage bins with different sizes, the material level indicator can be moved to a proper detection position, and the material level indicator has more flexibility in use.

Drawings

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

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

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

FIG. 3 is a schematic view of the structure of the automatic lifting rod of the present invention;

FIG. 4 is a schematic structural view of the attaching mechanism of the present invention;

FIG. 5 is a top plan view of the present invention in its operating condition;

FIG. 6 is a schematic view of the present invention in a high position;

fig. 7 is a schematic diagram of the present invention in a low position operation state.

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.

Example one

As shown in fig. 1 and 4, the present invention provides a technical solution:

the utility model provides a charge level indicator interface measuring device based on EVA radioactivity charge level indicator, includes bottom plate 1, and 1 bottom four corners department of bottom plate is provided with gyro wheel 2, and 1 top middle part of bottom plate is provided with automatic lift bar 4, and 4 lower part rear sides of automatic lift bar are connected with driving motor 5, and 4 top movable rod ends of automatic lift bar are provided with U type support 7, and the one end of U type support 7 is connected with detector 8, and the other end of U type support 7 is connected with radiation source 9.

Further, automatic rising pole 4 includes sleeve pipe 41, sleeve pipe 41 inner chamber lower part is provided with baffle 42, baffle 42 top middle part is rotated and is provided with threaded rod 43, threaded rod 43 bottom runs through baffle 42 bottom and is connected with first bevel gear 44, first bevel gear 44 lower part meshing is connected with second bevel gear 45, driving motor 5's output shaft runs through sleeve pipe 41 and is connected with second bevel gear 45, sleeve pipe 41 top activity is inserted and is equipped with hollow post 46, threaded rod 43 top spiro union runs through hollow post 46 bottom and stretches into its inner chamber, hollow post 46 top is provided with layer board 47.

Furthermore, four corners of the top end of the bottom plate 1 are all connected with anti-slip screws 3 in a penetrating and screwed mode.

Example two

Compared with the first embodiment, the present embodiment has only the following improvements.

Further, the U-shaped support 7 is a shaped U-shaped rod, the structure is a fixed structure, and the device is generally suitable for storage bins with smaller sizes.

EXAMPLE III

This embodiment provides another improved structure of the U-shaped bracket 7:

as shown in fig. 2 and 5, the U-shaped bracket 7 includes a middle tube 71, two ends of the middle tube 71 are movably inserted with adjusting rods 72, the top end of the middle tube 71 is symmetrically provided with first positioning screws 73, and one end of the adjusting rod 72 away from the middle tube 71 is provided with an equipment cantilever.

Further, the cantilever of the device comprises a tubular arm 74 fixedly connected with the adjusting rod 72, a movable arm 75 is movably inserted at the front end of the tubular arm 74, and a second positioning screw 76 is arranged on the tubular arm 74.

The structure can realize the displacement adjustment of the left side, the right side, the front side and the rear side of the charge level indicator, can flexibly adjust the position of the charge level indicator according to the storage bin, and is suitable for large-size storage bins.

Example four

Compared to the previous examples, this implementation is only improved as follows:

further, the lower part of the front wall of the automatic lifting rod 4 is provided with an abutting mechanism 10, the abutting mechanism 10 comprises an abutting plate 101, and the abutting plate 101 is connected with the automatic lifting rod 4 through a connecting rod 102.

Furthermore, the connecting rod 102 is an adjustable telescopic rod, which can control the distance between the whole device and the storage bin, for example, when the ground environment near the storage bin is poor and it is difficult to place the measuring device, the position of the device can be adjusted by the adjustable telescopic rod.

Further, lean on the middle part of board 101 to be provided with multi-angle V face 1011, its use that is applicable to circular storage silo, the both sides of multi-angle V face 1011 are equipped with plane 1012, and it is applicable to the square bin and uses.

The use method of the level meter interface measuring device based on the EVA radioactive level meter comprises the following steps:

s1, moving the whole device to the position near the storage bin 11, and finely adjusting the position of the device until the abutting plate 101 abuts against the surface of the storage bin 11;

s2, fixing the roller 2 to prevent the device from moving, loosening the first positioning screw 73, pulling out the adjusting rod 72 until the storage bin 11 is positioned between the equipment cantilevers on the left side and the right side, and screwing the first positioning screw 73;

s3, loosening the second positioning screw 76, and pulling out the movable arm 75 until the detectors 8 and the radioactive sources 9 on the two sides move to the proper positions on the two sides of the storage bin 11;

s4, starting the driving motor 5, driving the threaded rod 43 to rotate through bevel gear transmission, further enabling the hollow column 46 to perform ascending motion through thread transmission, driving the detector 8 and the radioactive source 9 to move to an initial detection position, then electrifying, and performing real-time material level measurement;

s5, after a period of time, the material level is lowered to the lower detection limit of the level indicator, at the moment, the driving motor 76 is remotely started, and the detector 8 and the radioactive source 9 are moved downwards to the secondary detection position through the shrinkage of the hollow column 46;

and S6, repeating the step S5 until the whole process level monitoring of the material is completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.