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CN-224231056-U - Magnetostrictive liquid level meter calibrating device

CN224231056UCN 224231056 UCN224231056 UCN 224231056UCN-224231056-U

Abstract

The utility model discloses a magnetostrictive liquid level meter calibration device, which relates to the technical field of flowmeter calibration and comprises a base, wherein the top of the base is fixedly connected with two mounting plates, a scale is fixedly connected between the inner sides of the two mounting plates, the top of the base is fixedly connected with two mounting frames, the top of each mounting frame is provided with a mounting groove, the inner sides of the mounting grooves are fixedly connected with mounting rods, one side of each mounting plate is fixedly connected with a motor, one end of a power output shaft of each motor penetrates through the mounting plate and extends to the other side of the mounting plate, one end of the power output shaft of each motor is fixedly connected with a first threaded rod, the outer side of each first threaded rod is in threaded connection with a movable plate, the magnetostrictive liquid level meter calibration device is reasonable in structural design, can improve the fixing effect on a magnetic liquid level meter, and can adjust a fixing mechanism in real time according to requirements when fixing the magnetic liquid level meters with different specifications.

Inventors

  • MENG JUNJIE

Assignees

  • 启东市恒盛仪表设备有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (7)

  1. 1. The magnetostrictive liquid level meter calibrating device comprises a base (100), and is characterized in that the top of the base (100) is fixedly connected with two mounting plates (110), and a scale (120) is fixedly connected between the inner sides of the two mounting plates (110); The top of base (100) fixedly connected with two mounting brackets (200), mounting groove (210) have been seted up at the top of mounting bracket (200), the inboard fixedly connected with installation pole (220) of mounting groove (210).
  2. 2. The magnetostrictive liquid level meter calibration device according to claim 1, wherein one side of the mounting plate (110) is fixedly connected with a motor (130), one end of a power output shaft of the motor (130) penetrates through the mounting plate (110) and extends to the other side of the mounting plate (110), and one end of the power output shaft of the motor (130) is fixedly connected with a first threaded rod (131).
  3. 3. The magnetostrictive liquid level meter calibration device according to claim 2, wherein a moving plate (140) is screwed on the outer side of the first threaded rod (131), a bar-shaped rod (141) is fixedly connected to the top of the moving plate (140), an indicating ring (142) is fixedly connected to the bottom of the bar-shaped rod (141), and the indicating ring (142) is movably connected with the scale (120).
  4. 4. A magnetostrictive level gauge calibration device according to claim 3, characterized in that one side of the mounting plate (110) is fixedly connected with a stop lever (150), and one end of the stop lever (150) penetrates the moving plate (140) and is fixedly connected with the mounting plate (110) on the other side.
  5. 5. The magnetostrictive liquid level meter calibration device according to claim 1, wherein the outer side of the mounting rod (220) is sleeved with a compression spring (221), the outer side of the mounting rod (220) is movably connected with a mounting seat (230), the inner side of the mounting seat (230) is embedded with a friction sleeve (231), and the inner side of the friction sleeve (231) is attached to the mounting rod (220).
  6. 6. The magnetostrictive liquid level meter calibration set of claim 5, wherein a fixed plate (240) is fixedly connected to the top of the mounting base (230), a second threaded rod (241) is rotatably connected to the inner cavity of the fixed plate (240), and the top end of the second threaded rod (241) penetrates through the fixed plate (240) and extends to the top of the fixed plate (240).
  7. 7. The magnetostrictive liquid level meter calibration device according to claim 6, wherein one side of the fixing plate (240) is fixedly connected with a clamping bump (250), the outer side of the second threaded rod (241) is screwed with a clamping concave block (260), one side of the fixing plate (240) and the inner side of the mounting groove (210) are fixedly connected with repulsive magnets (270), a magnetically induced liquid level meter (280) is clamped between the clamping concave block (260) and the inner side of the clamping bump (250), and the outer side of the magnetically induced liquid level meter (280) is movably connected with a buoy (281).

Description

Magnetostrictive liquid level meter calibrating device Technical Field The utility model relates to the technical field of flowmeter calibration, in particular to a magnetostrictive liquid level meter calibration device. Background At present, when the sensor of the magnetostrictive liquid level meter works, a circuit part of the sensor excites pulse current on the waveguide wire, a pulse current magnetic field is generated around the waveguide wire when the current propagates along the waveguide wire, a float is arranged outside a sensor probe rod of the magnetostrictive liquid level meter, the float can move up and down along the probe rod along with the change of the liquid level, a group of permanent magnetic rings are arranged inside the float, when the pulse current magnetic field meets with the magnetic ring magnetic field generated by the float, the magnetic field around the float changes, so that the waveguide wire made of magnetostrictive materials generates a torsional wave pulse at the position of the float, and the pulse is transmitted back along the waveguide wire at a fixed speed and detected by a detection mechanism. By measuring the time difference between the pulse current and the torsional wave, the position of the float, i.e. the position of the liquid surface, can be precisely determined. The utility model provides a 202420448106.7, patent name: magnetostriction liquid level meter calibration dress, including bottom plate and a plurality of inner tube of fixed mounting at the bottom plate top, be provided with elevating system and adjustment mechanism on the bottom plate, elevating system includes the outer tube of slidable mounting on the outer wall of a plurality of inner tube, a plurality of the top fixed mounting of outer tube has the roof, two racks are fixed mounting in the bottom of roof, two rack grooves have been seted up at the top of bottom plate, two rack respectively with two rack grooves sliding connection, the top fixed mounting of bottom plate has the supporting shoe. According to the utility model, when the height of the working surface is required to be adjusted according to actual conditions, the double-shaft motor can be started to drive the rotating shafts on two sides, the gears on the rotating shafts on two sides are respectively driven to be meshed with the two racks at the bottom of the top plate, but the magnetic liquid level meter is fixed only by means of spring extrusion, so that the design has obvious limitations that on one hand, the fixing effect of the magnetic liquid level meter is poor and is easy to loosen due to vibration or external force effect, on the other hand, the clamping plate adopts an unadjustable semicircular clamp structure, the adaptability is insufficient, the installation requirements of the magnetic liquid level meter with different diameter specifications cannot be flexibly met, the universality and the installation stability of equipment are seriously influenced, the rigidity design reduces the fixing reliability, the adaptation difficulty to different types of equipment is increased, and the design has obvious defects in practical application, and the new technical scheme is required to be designed. Disclosure of utility model The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The magnetostrictive liquid level meter calibration device comprises a base, wherein the top of the base is fixedly connected with two mounting plates, a scale is fixedly connected between the inner sides of the two mounting plates, the top of the base is fixedly connected with two mounting frames, a mounting groove is formed in the top of each mounting frame, a mounting rod is fixedly connected to the inner side of each mounting groove, the magnetostrictive liquid level meter can be stably fixed through a pressing mechanism by the fixing mechanism, looseness of the fixing mechanism due to vibration or external force is prevented, accordingly, the fixing effect on the magnetostrictive liquid level meter can be improved, the fixing mechanism can be adjusted in real time according to requirements when the magnetostrictive liquid level meters with different specifications are fixed through a clamping mechanism, and the application range of the magnetostrictive liquid level meter calibration device is increased. Preferably, one side of mounting panel fixedly connected with motor, the power take off shaft one end of motor runs through the mounting panel and extends to the opposite side of mounting panel, just the power tak