CN219224025U

CN219224025U - Pressure sensor calibrating device

Info

Publication number: CN219224025U
Application number: CN202320047173.3U
Authority: CN
Inventors: 孙延松
Original assignee: Depree Qingdao Industrial Technology Co ltd
Current assignee: Depree Qingdao Industrial Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-20
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a pressure sensor calibration device, and relates to the technical field of pressure sensor calibration. The pressure sensor calibration device comprises a mounting plate and a bin, wherein the front surface of the bin is fixedly connected with the back surface of the mounting plate, two transverse shafts are arranged in the bin, the left and right ends of the two transverse shafts respectively rotate to penetrate through the inner walls of the left side and the right side of the bin, one ends of the two transverse shafts on the right side of the bin are fixedly sleeved with gears, the right side of the bin is provided with a toothed plate, the two gears are meshed with the back surface of the toothed plate, the upper end of the front surface of the toothed plate is fixedly connected with a hydraulic cylinder, and the lower end of the hydraulic cylinder is fixedly connected with the right side surface of the bin. This pressure sensor calibrating device through setting up winding wheel, fag end, stay cord and torsional spring, has reached and to compressing tightly the effect that can compress tightly fixedly to the pressure sensor of equidimension not in the time of can compressing tightly a plurality of pressure sensors, has solved current calibrating device and can only singly fix, and the comparatively single problem of fixed sensor type.

Description

Pressure sensor calibrating device

Technical Field

The utility model relates to the technical field of pressure sensor calibration, in particular to a pressure sensor calibration device.

Background

The pressure sensor is a sensor most commonly used in industrial practice, is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent building, production self-control, aerospace, military industry, petrochemical industry, oil well, electric power, ships, machine tools, pipelines and the like, and equipment calibration refers to the behavior of testing and adjusting measuring equipment or standard parts to know the accuracy of the measuring equipment or standard parts.

The pressure sensor is required to be calibrated by using the calibrating device when in use, so that the pressure sensor can be accurately controlled, the pressure sensor is required to be clamped and fixed by the calibrating device when being calibrated, but the existing calibrating device can only be singly fixed, and the type of the fixed sensor is single.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a pressure sensor calibration device, which solves the problems that the existing calibration device can only be fixed singly and the fixed sensor type is single.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pressure sensor calibrating device, including mounting panel and case storehouse, the front of case storehouse and the back fixed connection of mounting panel, the inside of case storehouse is provided with two cross axles, the left and right sides inner wall of running through the case storehouse is rotated respectively to the both ends about two cross axles, the one end that two cross axles are located case storehouse right side has all fixedly sleeved with the gear, the right side of case storehouse is provided with the pinion, two gears all mesh with the back of pinion, the positive upper end fixedly connected with pneumatic cylinder of pinion, the lower extreme of pneumatic cylinder and the right flank fixed connection of case storehouse, the positive fixedly connected with atress piece of mounting panel, the surface of every cross axle just is located the rear of atress piece and all rotates the winding wheel that has cup jointed, the right flank fixed connection of winding wheel has the torsional spring, the right-hand member of torsional spring and the surface fixed connection of adjacent cross axle, the surface of every atress piece has all movably cup jointed the rope ring, the mounting panel slides the surface at the rope ring, the positive all fixedly connected with of two winding wheels, the front end of two stay ropes respectively with the back fixed connection of two stay ropes.

Preferably, the front of atress piece is provided with the mount, the upper and lower both ends of mount all with the positive fixed connection of mounting panel, the positive all fixedly connected with extension spring of two rope rings, the other end and the back fixed connection of adjacent mount of extension spring.

Preferably, the shape of the stress block is a trapezoid block structure, a plurality of stress blocks are arranged, and the stress blocks are distributed equidistantly.

Preferably, the upper surface of the toothed plate is penetrated by a vertical rod in a sliding way, and the upper end of the vertical rod is fixedly connected with the upper surface of the bin.

Preferably, the length between the two gears is less than half the height of the toothed plate, the two transverse shafts are arranged in parallel, and the two transverse shafts are respectively arranged coaxially with the two gears.

Preferably, the upper end and the lower end of the fixing frame are both in round structures, and the maximum width of the upper end and the lower end of the fixing frame is larger than the width of the rope ring.

(III) beneficial effects

The utility model provides a pressure sensor calibration device. The beneficial effects are as follows:

1. this pressure sensor calibrating device, through setting up winding wheel, the rope loop, stay cord and torsional spring, place the pressure sensor in the place ahead of the inside atress piece of rope loop, through the downward pulling pinion rack of pneumatic cylinder, the pinion rack drives two cross axles synchronous rotation through meshing with two gears, then drive winding wheel pair stay cord winding through the torsional spring, the front end of pulling rope loop is close to the pressure sensor clamp between the atress piece pair, the pressure sensor that the diameter is great is tight when the cross axle continues to rotate after obtaining pressing from both sides tight, corresponding torsional spring takes place to twist, make the cross axle can continue to rotate and drive the rope loop that contacts with the less pressure sensor of diameter can continue the pulling backward, can compress tightly fixed effect to the pressure sensor of equidimension when having reached can compressing tightly a plurality of pressure sensors, current calibrating device can only singly fix, and the comparatively single problem of fixed sensor type.

2. According to the pressure sensor calibration device, the tension spring and the fixing frame are arranged, and in an initial state, the tension spring has a trend of pulling the front end of the rope ring to move forwards, so that a gap exists between the front end of the rope ring and the stress block, and the pressure sensor is conveniently placed between the front end of the rope ring and the stress block.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the bin of the utility model;

FIG. 3 is a schematic diagram of the connection of the rope loop and the pull rope according to the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Wherein, 1 mounting panel, 2 case storehouse, 3 cross axle, 4 pinion rack, 5 gears, 6 pneumatic cylinders, 7 torsional springs, 8 atress piece, 9 winding wheel, 10 rope loop, 11 stay cords, 12 mount, 13 extension springs, 14 pole setting.

Detailed Description

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 embodiment of the utility model provides a pressure sensor calibration device, as shown in fig. 1-4, the pressure sensor calibration device comprises a mounting plate 1 and a box bin 2, the front surface of the box bin 2 is fixedly connected with the back surface of the mounting plate 1, two transverse shafts 3 are arranged in the box bin 2, the left end and the right end of the two transverse shafts 3 respectively rotate to penetrate through the inner walls of the left side and the right side of the box bin 2, one ends of the two transverse shafts 3 positioned on the right side of the box bin 2 are fixedly sleeved with gears 5, the right side of the box bin 2 is provided with a toothed plate 4, the two gears 5 are meshed with the back surface of the toothed plate 4, the length between the two gears 5 is smaller than half of the height of the toothed plate 4, the two transverse shafts 3 are arranged in parallel, the two transverse shafts 3 are respectively coaxially arranged with the two gears 5, when the toothed plate 4 moves downwards, the two gears 5 can be driven to synchronously rotate in the same direction, the upper end of the front surface of the toothed plate 4 is fixedly connected with a hydraulic cylinder 6, the lower end of the hydraulic cylinder 6 is fixedly connected with the right side of the box bin 2, the upper surface of the toothed plate 4 is slidably penetrated with a vertical rod 14, the upper end of the vertical rod 14 is fixedly connected with the upper surface of the toothed plate 2, and the vertical rod 14 is kept to be vertical when moving.

The front fixedly connected with atress piece 8 of mounting panel 1, atress piece 8's shape is trapezoidal cubic structure, atress piece 8 is provided with a plurality of, a plurality of atress pieces 8 equidistance distribution, the surface of every cross axle 3 and the rear that is located atress piece 8 all rotate and cup joint winding wheel 9, the right flank fixedly connected with torsional spring 7 of winding wheel 9, the right-hand member of torsional spring 7 and the surface fixed connection of adjacent cross axle 3, torsional spring 7 sliding sleeve connects the surface at adjacent cross axle 3, cross axle 3 can drive winding wheel 9 rotation through torsional spring 7 when rotating, the surface of every atress piece 8 all movably cup joints rope loop 10, the place ahead of atress piece 8 is provided with mount 12, the front fixed connection of upper and lower both ends and mounting panel 1 of mount 12, the front of two rope loops 10 all fixedly connected with extension spring 13, the other end of extension spring 13 and the back fixed connection of adjacent mount 12, the front end inner ring and the atress piece 8 of messenger's rope loop 10 form the space between the front end inner ring of pressure sensor is convenient for, the pressure sensor is pressed in the surface between rope loop 10 and the adjacent cross axle 3, the maximum width of rope loop 10 is connected with two pairs of rope loop 10 at the front end and two opposite rotation of rope loop 10 at the front end 11, the two opposite rotation of rope loop 10, the front end of rope loop 10 is connected with two opposite rotation of rope loop 10, the front end 11 is fixed, the front end of rope loop 11 is connected with two opposite rotation, the rope loop 11 is connected with two front end, and the front end of rope loop 10 is connected.

The working principle is that the pressure sensor is placed between the front end of the rope ring 10 and the stress block 8, then the hydraulic cylinder 6 is started to drive the toothed plate 4 to move downwards, the toothed plate 4 is meshed with the two gears 5 to drive the two transverse shafts 3 to rotate synchronously, then the winding wheel 9 is driven by the torsion spring 7 to wind the pull rope 11, the pull rope 11 pulls the rope ring 10 to move backwards, the front end of the pull rope ring 10 is close to the pressure sensor between the stress block 8 pairs to clamp, when the transverse shaft 3 continues to rotate after the pressure sensor with larger diameter is clamped, the corresponding torsion spring 7 twists to buffer, the transverse shaft 3 can continue to rotate, the rope ring 10 contacted with the pressure sensor with smaller diameter can continue to pull backwards, and therefore the pressure sensors with different sizes can be compressed and fixed when being compressed by the pressure sensors.

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

Claims

1. The utility model provides a pressure sensor calibrating device, includes mounting panel (1) and case storehouse (2), its characterized in that: the utility model discloses a rope winding device, which is characterized in that the front of a bin (2) is fixedly connected with the back of a mounting plate (1), two cross shafts (3) are arranged in the bin (2), the left and right ends of the two cross shafts (3) are respectively rotated to penetrate through the inner walls of the left and right sides of the bin (2), one ends of the two cross shafts (3) positioned on the right side of the bin (2) are fixedly sleeved with a gear (5), the right side of the bin (2) is provided with a toothed plate (4), the two gears (5) are meshed with the back of the toothed plate (4), the upper end of the front of the toothed plate (4) is fixedly connected with a hydraulic cylinder (6), the lower end of the hydraulic cylinder (6) is fixedly connected with the right side of the bin (2), the front of the mounting plate (1) is fixedly connected with a stress block (8), the outer surface of each cross shaft (3) is rotationally sleeved with a winding wheel (9) behind the stress block (8), the right side of the winding wheel (9) is fixedly connected with a torsion spring (7), the right end of the torsion spring (7) is fixedly connected with the outer surface of the adjacent cross shaft (3) and the outer surface of the adjacent cross shaft (3) is fixedly connected with the outer surface of the rope winding wheel (10) in a sliding mode, the outer surface of each rope winding ring (10) is fixedly sleeved with the outer surface of the rope winding ring (10), the front ends of the two pull ropes (11) are respectively and fixedly connected with the back surfaces of the two rope rings (10).

2. A pressure sensor calibration device according to claim 1, wherein: the front of atress piece (8) is provided with mount (12), and the upper and lower both ends of mount (12) all are with the front fixed connection of mounting panel (1), and the front of two rope rings (10) all are fixedly connected with extension spring (13), the other end of extension spring (13) and the back fixed connection of adjacent mount (12).

3. A pressure sensor calibration device according to claim 1, wherein: the shape of the stress block (8) is a trapezoid block structure, the stress block (8) is provided with a plurality of stress blocks (8) which are distributed equidistantly.

4. A pressure sensor calibration device according to claim 1, wherein: the upper surface of pinion rack (4) slides and runs through has pole setting (14), and the upper end of pole setting (14) is connected with the upper surface fixed of case storehouse (2).

5. A pressure sensor calibration device according to claim 1, wherein: the length between the two gears (5) is smaller than half of the height of the toothed plate (4), the two transverse shafts (3) are arranged in parallel, and the two transverse shafts (3) are respectively and coaxially arranged with the two gears (5).

6. A pressure sensor calibration device according to claim 2, wherein: the upper end and the lower end of the fixing frame (12) are of round structures, and the maximum width of the upper end and the lower end of the fixing frame (12) is larger than the width of the rope ring (10).