CN211927032U

CN211927032U - Level gauge calibration equipment

Info

Publication number: CN211927032U
Application number: CN202020611980.XU
Authority: CN
Inventors: 刘新龙; 杨金道; 赵亚仙; 赖艳云
Original assignee: East China Power Test and Research Institute Co Ltd
Current assignee: East China Power Test and Research Institute Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-13
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a level gauge calibration equipment, the on-line screen storage device comprises a base, the middle fixedly connected with detection barrel at base top, and the inside of detection barrel runs through there is the level gauge, the top joint of detection barrel has the top cap, the top cap cover is established in the outside of level gauge probe rod, and the instrument end of level gauge fixes the top at the top cap, the top fixedly connected with backup pad of detection barrel surface, and the top fixedly connected with motor of backup pad, the utility model relates to a level gauge technical field. This level gauge calibration equipment can drive through motor cooperation lead screw and detect the box and go up and down, and utilizes the showy floating ring of surface of water in the camera monitoring detection section of thick bamboo, can keep detecting the box and can go up and down along with the lift of water level, cooperates infrared range probe and reflector plate measurable quantity interval again, can obtain accurate liquid level height, and then can judge the precision that the level gauge detected data, reaches the effect of check-up, easy operation, the check-up is accurate.

Description

Level gauge calibration equipment

Technical Field

The utility model relates to a level gauge technical field specifically is a level gauge calibration equipment.

Background

The height of the liquid medium in the container is called the liquid level, and the instrument for measuring the liquid level is called a liquid level meter. The liquid level meter is one of level meters. The type of the liquid level meter comprises a tuning fork vibration type, a magnetic suspension type, a pressure type, ultrasonic waves, sonar waves, a magnetic turning plate, radar and the like. The inner floating type magnetic liquid level meter is a double-cavity liquid level meter, the measured medium is isolated from the cavity at the end of the magnetic panel, the interior of the cavity at the end of the container and the floater are specially treated, the floater is ensured to be linearly transmitted to the magnetic panel along with the change of the liquid level, the height of the liquid level is clearly and accurately indicated, the inner floating type magnetic liquid level meter can display on site, alarm control and remote transmission signal output are both considered, the inner floating type magnetic liquid level meter is a multifunctional liquid level meter, and the liquid level meter is the best liquid level meter for measuring viscous media.

The existing liquid level meter is generally directly observing the scale marks outside the measuring cylinder or using a plurality of other standard liquid level meters to check the liquid level meter to be checked, manually observing the scale marks, being difficult to accurately grasp the error value of the liquid level meter, and using other standard liquid level meters to measure, so that the problem of equipment error also exists, and the detection error is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a level gauge calibration equipment has solved the scale mark of manual observation graduated flask outside, is difficult to the accurate error value of holding the level gauge, and uses other standard level gauges to measure, also has the problem of equipment error, all can influence the problem that detects the error.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a liquid level meter calibration device comprises a base, wherein a detection cylinder is fixedly connected in the middle of the top of the base, a liquid level meter penetrates through the detection cylinder, a top cover is clamped at the top of the detection cylinder and sleeved outside a probe rod of the liquid level meter, the instrument end of the liquid level meter is fixed at the top of the top cover, a support plate is fixedly connected to the top of the outer surface of the detection cylinder, a motor is fixedly connected to the top of the support plate, the bottom end of an output shaft of the motor penetrates through the support plate and extends to the lower side of the support plate, a lead screw is fixedly connected to the bottom end of the output shaft of the motor through a coupler, the bottom end of the lead screw is rotatably connected with the top of the base through a bearing seat, a detection box is in threaded connection with the surface of the lead screw, a camera is fixedly connected to the left side of the detection box, an infrared distance measuring probe is fixedly connected to the left, the inner surface of the detection cylinder is connected with a floating ring in a sliding mode.

Preferably, a support rod is fixedly connected between the right side of the bottom of the support plate and the top of the bearing seat, and the detection box is sleeved outside the support rod.

Preferably, the left side of the top of the base is fixedly connected with a piston cylinder, and the bottom of the right side of the piston cylinder is communicated with the bottom of the left side of the detection cylinder through a connecting pipe.

Preferably, the inside sliding connection of piston cylinder has the piston, the top fixedly connected with push rod of piston, the top joint of piston cylinder has the cover, the top of push rod runs through the cover and extends to the top of cover.

Preferably, the front side and the rear side of the left side of the piston cylinder are fixedly connected with sliding plates, the inner sides of the sliding plates are slidably connected with positioning plates, and the tops of the positioning plates and the tops of the push rods are fixedly connected through connecting plates.

Preferably, a bolt penetrates through the positioning plate and the sliding plate, and a plurality of positioning holes matched with the bolt are longitudinally and equidistantly formed in the sliding plate.

Preferably, the right side fixedly connected with detector at base top, the surface of detector passes through the wire respectively with the surface electric connection of level gauge, infrared range probe, camera and motor.

Advantageous effects

The utility model provides a level gauge calibration equipment. Compared with the prior art, the method has the following beneficial effects:

(1) the liquid level meter calibration device comprises a detection cylinder, a top cover is clamped at the top of the detection cylinder, the top cover is sleeved outside a probe rod of the liquid level meter, the instrument end of the liquid level meter is fixed at the top of the top cover, the top end of the outer surface of the detection cylinder is fixedly connected with a support plate, the top of the support plate is fixedly connected with a motor, the bottom end of a motor output shaft penetrates through the support plate and extends to the lower part of the support plate, the bottom end of the motor output shaft is fixedly connected with a lead screw through a shaft coupling, the bottom end of the lead screw is rotatably connected with the top of a base through a bearing seat, the surface of the lead screw is in threaded connection with a detection box, the left side of the detection box is fixedly connected with a camera, the left side of the bottom of the detection box is fixedly connected with an infrared distance measurement probe, the top of the, and utilize the unsteady ring of surface of water showy in the camera monitoring detection section of thick bamboo, can keep detecting the box and can go up and down along with the lift of water level, cooperate infrared range probe and reflector plate measurable quantity interval again, can obtain accurate liquid level height, and then can judge the precision that the level gauge detected data, reach the effect of check-up, easy operation, the check-up is accurate.

(2) The liquid level meter calibration device comprises a piston cylinder fixedly connected on the left side of the top of a base, a detection cylinder communicated with the bottom of the right side of the piston cylinder through a connecting pipe, a piston connected with the inside of the piston cylinder in a sliding manner, a push rod fixedly connected with the top of the piston, a cylinder cover connected with the top of the piston cylinder in a clamping manner, a push rod with the top end penetrating through the cylinder cover and extending to the upper part of the cylinder cover, sliding plates fixedly connected with the front and back sides of the left side of the piston cylinder and the inner side of the sliding plate in a sliding manner, a positioning plate fixedly connected between the top of the positioning plate and the top of the push rod through a connecting plate, a bolt penetrating between the positioning plate and the sliding plate, and a plurality of positioning holes matched with the bolt arranged at equal longitudinal intervals in the sliding plate, a piston cylinder communicated with the left side of, and then can reach the effect that the liquid level height in the quick adjustment detected a section of thick bamboo, carry out the check-up of a plurality of liquid position points to the level gauge, improve the reliability that detects data, and utilize the cooperation of bolt and locating hole to pin the locating plate, the height of indirect restriction piston can avoid stirring the detection error who causes because of the liquid level.

Drawings

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

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is the utility model discloses detect box, camera and infrared range probe's stereogram.

In the figure: 1-base, 2-detection cylinder, 3-liquid level meter, 4-top cover, 5-support plate, 6-motor, 7-screw rod, 8-detection box, 9-camera, 10-infrared distance measurement probe, 11-reflection sheet, 12-floating ring, 13-support rod, 14-piston cylinder, 15-connecting pipe, 16-piston, 17-push rod, 18-cylinder cover, 19-sliding plate, 20-positioning plate, 21-connecting plate, 22-bolt, 23-positioning hole and 24-detector.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a liquid level meter checking device comprises a base 1, a piston cylinder 14 is fixedly connected to the left side of the top of the base 1, the bottom of the right side of the piston cylinder 14 is communicated with the bottom of the left side of a detection cylinder 2 through a connecting pipe 15, a piston 16 is slidably connected to the inside of the piston cylinder 14, a push rod 17 is fixedly connected to the top of the piston 16, a cylinder cover 18 is clamped to the top of the piston cylinder 14, the top end of the push rod 17 penetrates through the cylinder cover 18 and extends to the upper side of the cylinder cover 18, sliding plates 19 are fixedly connected to the front side and the rear side of the left side of the piston cylinder 14, a positioning plate 20 is slidably connected to the inner side of each sliding plate 19, the top of the positioning plate 20 is fixedly connected to the top of the push rod 17 through a connecting plate 21, a bolt 22 penetrates through the positioning plate 20 and the sliding plate 19, a plurality of positioning holes 23 matched, the liquid can flow between the detection cylinder 2 and the piston cylinder 14 by pushing and pulling the piston 16 up and down, so that the effect of quickly adjusting the height of the liquid level in the detection cylinder 2 can be achieved, the liquid level meter 3 is checked for a plurality of liquid level points, the reliability of detection data is improved, the positioning plate 20 is locked by the cooperation of the bolt 22 and the positioning hole 23, the height of the piston 16 is indirectly limited, and the detection error caused by liquid level stirring can be avoided, the right side of the top of the base 1 is fixedly connected with the detector 24, the surface of the detector 24 is respectively and electrically connected with the liquid level meter 3, the infrared distance measuring probe 10, the camera 9 and the surface of the motor 6 through wires, the detection cylinder 2 is fixedly connected in the middle of the top of the base 1, the liquid level meter 3 penetrates through the detection cylinder 2, the top cover 4 is clamped at the top of the detection cylinder 2, the top cover 4 is sleeved outside the probe rod of the liquid level meter 3, the top end of the outer surface of the detection cylinder 2 is fixedly connected with a support plate 5, the top of the support plate 5 is fixedly connected with a motor 6, the bottom end of an output shaft of the motor 6 penetrates through the support plate 5 and extends to the lower part of the support plate 5, the bottom end of an output shaft of the motor 6 is fixedly connected with a lead screw 7 through a coupler, the bottom end of the lead screw 7 is rotatably connected with the top of the base 1 through a bearing seat, the surface of the lead screw 7 is in threaded connection with a detection box 8, the left side of the detection box 8 is fixedly connected with a camera 9, the left side of the bottom of the detection box 8 is fixedly connected with an infrared distance measurement probe 10, the infrared distance measurement probe 10 comprises a transmitting end and a receiving end, the top of the base 1 is fixedly connected with a reflector plate 11 under the infrared distance measurement probe 10, a support rod 13, detect a 2 internal surface sliding connection and have float ring 12, can drive through 6 cooperation lead screws 7 of motor and detect box 8 and go up and down, and utilize the unsteady float ring 12 of camera 9 monitoring detection section of thick bamboo 2 internal water surface, can keep detecting box 8 and can go up and down along with the lift of water level, cooperate infrared range probe 10 and reflector plate 11 measurable quantity interval again, can obtain accurate liquid level, and then can judge the precision that level gauge 3 detected data, reach the effect of check-up, the operation is simple, the check-up is accurate.

And those not described in detail in this specification are well within the skill of those in the art.

When the device is used, the cylinder cover 18 is opened, the piston 16 is drawn out, then water is injected into the piston cylinder 14, half of water enters the detection cylinder 2 through the connecting pipe 15, after half of water is filled, the piston 16 is plugged back into the piston cylinder 14 and covers the cylinder cover 18, then the connecting plate 21 is pressed downwards, the push rod 17 presses the piston 16 downwards, most of air in the piston cylinder 14 can be squeezed into the detection cylinder 2 through the connecting pipe 15 to overflow, during detection, the liquid level meter 3 to be detected is inserted into the detection cylinder 2 and fixed on the top cover 4, then the motor 6 is started manually to drive the screw rod 7 to rotate, so that the detection box 8 approximately moves to the liquid level height in the detection cylinder 2, then the automatic adjustment mode camera 9 is started to shoot pictures on the left side, data is transmitted to the detector 24 to be processed, the longitudinal offset between the central line of the side surface of the floating ring 12 and the central point of the shot pictures is judged, then the motor 6 is, until the central point of the shot picture is adjusted to coincide with the central line of the side surface of the floating ring 12, the infrared distance measuring probe 10 is started to emit infrared rays, the infrared rays are reflected by the reflector plate 11 and then are received by the infrared distance measuring probe 10 again, then the height of the infrared distance measuring probe 10 is calculated, and the height difference between the infrared distance measuring probe 10 and the central line of the camera 9 is the liquid level height, and the detection error of the liquid level meter 3 can be judged by comparing the liquid level height with the detection data of the liquid level meter 3; during the detection process, the plug 22 is pulled out, the connecting plate 21 is pushed up manually, the push rod 17 pulls the piston 16 upwards, the distance between the positioning holes 23 is set as a unit, after the piston rises by one unit, the plug 22 is inserted into the positioning holes 23 of the positioning plate 20 and the sliding plate 19, the positioning plate 20 is locked, the movement of the piston 16 is further limited, at the moment, the second group of data is detected again, and the liquid level meter 3 can be taken down after 3-5 groups of data are detected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a level gauge calibration equipment, includes base (1), the middle fixedly connected with at base (1) top detects a section of thick bamboo (2), and the inside of detecting a section of thick bamboo (2) runs through has level gauge (3), its characterized in that: the top of the detection barrel (2) is connected with a top cover (4) in a clamping manner, the top cover (4) is sleeved outside a probe rod of the liquid level meter (3), the instrument end of the liquid level meter (3) is fixed at the top of the top cover (4), the top of the outer surface of the detection barrel (2) is fixedly connected with a support plate (5), the top of the support plate (5) is fixedly connected with a motor (6), the bottom end of an output shaft of the motor (6) penetrates through the support plate (5) and extends to the lower part of the support plate (5), the bottom end of the output shaft of the motor (6) is fixedly connected with a lead screw (7) through a shaft coupling, the bottom end of the lead screw (7) is rotatably connected with the top of the base (1) through a bearing seat, the surface of the lead screw (7) is connected with a detection box (8) in a threaded manner, the left side of the detection box (8) is fixedly connected with a, the infrared distance measuring device is characterized in that a reflector plate (11) is fixedly connected to the top of the base (1) and located right below the infrared distance measuring probe (10), and a floating ring (12) is connected to the inner surface of the detection barrel (2) in a sliding mode.

2. A gauge verification device as claimed in claim 1, wherein: the support plate is characterized in that a support rod (13) is fixedly connected between the right side of the bottom of the support plate (5) and the top of the bearing seat, and the detection box (8) is sleeved outside the support rod (13).

3. A gauge verification device as claimed in claim 1, wherein: the left side fixedly connected with piston cylinder (14) at base (1) top, and through connecting pipe (15) intercommunication between the bottom on piston cylinder (14) right side and the left bottom of detecting a section of thick bamboo (2).

4. A gauge verification device as claimed in claim 3, wherein: the inside sliding connection of piston cylinder (14) has piston (16), the top fixedly connected with push rod (17) of piston (16), the top joint of piston cylinder (14) has cover (18), cover (18) are run through and extend to the top of cover (18) on the top of push rod (17).

5. A gauge verification device, according to claim 4, wherein: the front side and the rear side of the left side of the piston cylinder (14) are fixedly connected with sliding plates (19), the inner sides of the sliding plates (19) are slidably connected with positioning plates (20), and the tops of the positioning plates (20) and the tops of the push rods (17) are fixedly connected through connecting plates (21).

6. A gauge verification device, according to claim 5, wherein: bolt (22) penetrate between locating plate (20) and sliding plate (19), and sliding plate (19)'s inside is vertical the equidistance and is seted up a plurality of locating holes (23) with bolt (22) looks adaptation.

7. A gauge verification device as claimed in claim 1, wherein: the right side fixedly connected with detector (24) at base (1) top, the surface of detector (24) passes through the wire and respectively with level gauge (3), infrared range probe (10), camera (9) and motor (6) surface electric connection.