CN220690263U

CN220690263U - Sensor calibrating device

Info

Publication number: CN220690263U
Application number: CN202321781436.XU
Authority: CN
Inventors: 井媛; 杨占明; 许泽亮; 封甲坤; 马玉凯
Original assignee: Shaanxi Shihua Zhongchuang Measurement And Testing Co ltd
Current assignee: Shaanxi Shihua Zhongchuang Measurement And Testing Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-29
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a sensor verification device, which relates to the technical field of sensor verification and comprises a verification bracket, a fixing mechanism and a sensor, wherein a cross beam is fixedly connected to the upper side of the middle of two sides of the verification bracket, the sensor is detachably connected to the lower part of the fixing mechanism, the upper end of the cross beam is provided with the fixing mechanism, the fixing mechanism comprises a fixing frame, a fixing bolt and a spring, and the fixing mechanism is used for fixing the sensor; the fixing frame is fixedly connected to the upper end of the cross beam, and the fixing bolt is connected to the inside of the fixing frame in a sliding mode and extends downwards to the upper screw hole of the sensor. According to the utility model, the fixing mechanism and the adjusting mechanism are arranged, so that bolts are not required to be fixed when the sensors of the same type are replaced for detection, and the sensors of different types can be fixed only by rotating the adjusting bolt when the sensors of different types are detected, and the working efficiency is improved through the arrangement.

Description

Sensor calibrating device

Technical Field

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

Background

The sensor is a detection device which can sense the measured information, convert the sensed information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, the existence and development of the sensor ensure that an object has sense organs such as touch sense, taste sense and smell sense and the like, the object becomes active, the sensor is the extension of the five sense organs of human beings, and the sensor has the characteristics of microminiaturization, digitalization, intellectualization, multifunction, systemization, networking and the like, and is a primary link for realizing automatic detection and automatic control.

The weighing sensor is a device for converting a quality signal into a measurable electric signal and outputting the electric signal, the sensor is required to consider the actual working environment of the sensor, which is important for correctly selecting the weighing sensor, the weighing sensor is related to whether the sensor can work normally or not, the safety and the service life of the weighing sensor, and the reliability and the safety of the whole weighing apparatus, the weighing sensor has the basic concept and the evaluation method of main technical indexes of the weighing sensor, the difference between the quality of the new and the old national standards is mainly S-shaped, cantilever-shaped, spoke-shaped, plate ring-shaped, bellows-shaped, bridge-shaped, column-shaped and the like, the S-shaped sensor is provided with a S-shaped structure, and threaded holes are arranged at the upper end and the lower end of the S-shaped sensor for fixing and weighing.

The sensor can generate errors after long-time use, the sensor needs to be detected at this time, the detection of the S-shaped weighing sensor is generally carried out on a mounting bracket, a weight is hung at the lower end, data are regulated on a computer, but the detection is generally carried out by screwing bolts in the process of mounting the sensor, but frequent tightening bolts are complicated in the detection process.

Disclosure of Invention

The present utility model is directed to a sensor calibration device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sensor verification device comprises a verification bracket, a fixing mechanism and a sensor, wherein the cross beam is fixedly connected to the upper side of the middle of two sides of the verification bracket, the sensor is detachably connected to the lower part of the fixing mechanism, the fixing mechanism is arranged at the upper end of the cross beam and comprises a fixing frame, a fixing bolt and a spring, and the fixing mechanism is used for fixing the sensor;

the fixing frame is fixedly connected to the upper end of the cross beam, the fixing bolt is slidably connected to the inside of the fixing frame and extends downwards to the upper screw hole of the sensor, the spring is sleeved on the outer wall of the fixing bolt, and two end parts of the spring are respectively and fixedly connected to the upper end of the inside of the fixing frame and the protruding part of the outer wall of the fixing bolt.

As still further aspects of the utility model: the fixed block is of an L-shaped structure, the thickness of the lower end of the fixed block is smaller, and the fixed block can be inserted into most of sensors on the market.

As still further aspects of the utility model: anti-skid patterns for increasing friction force are formed in the periphery of the outer wall of the rotating part of the adjusting bolt at equal intervals.

As still further aspects of the utility model: the outside below of gim peg is provided with the rubber sleeve, the rubber sleeve is used for protecting the inside screw thread of sensor.

As still further aspects of the utility model: the width of the fixed block is matched with the distance between the two limiting blocks.

As still further aspects of the utility model: the length of the fixing bolt can penetrate through the inside of the cross beam and downwards extend to the inside of the sensor, the diameter of the fixing frame is matched with the screw holes in the upper portion of the sensor, and most of the upper and lower ends of the sensor are provided with screw holes when description is needed.

As still further aspects of the utility model: the upper end of one side of the cross beam, which is far away from the fixing frame, is provided with an adjusting mechanism, the adjusting mechanism comprises an adjusting bolt, a rotating frame and a limiting groove, the adjusting bolt is rotatably connected to the upper end of the cross beam and extends downwards, the limiting groove is formed in the outer wall of the upper end of the adjusting bolt, the rotating frame is rotatably connected to the outer wall of the upper end of the adjusting bolt and is sleeved on the outer wall of the limiting groove, and the limiting groove is matched with the rotating frame to limit the adjusting bolt to rotate in situ;

one side fixedly connected with stopper of crossbeam, the stopper is provided with two, and is symmetrical distribution, two the centre of stopper is provided with the fixed block, fixed block threaded connection in the downside of adjusting the bolt, the fixed block reciprocates under the drive action of above-mentioned adjusting the bolt, the stopper is used for right the reciprocating of fixed block is led.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up fixed establishment and adjustment mechanism, make when changing the sensor of same model and examine, need not to carry out the bolt fastening, when examining the sensor of different models, only need rotate the adjusting bolt, can fix the sensor of different models, this setting has increased work efficiency.

Drawings

FIG. 1 is a schematic diagram of a sensor calibration apparatus;

FIG. 2 is a schematic view of a fixing mechanism of a sensor calibration device;

FIG. 3 is a schematic view of an adjusting pin of a sensor calibration device;

fig. 4 is a schematic diagram of a latch structure of a sensor calibration device.

In the figure: 1. identifying the scaffold; 2. a fixing mechanism; 201. a fixing frame; 202. a fixing bolt; 203. a spring; 3. a sensor; 4. a fixed block; 5. an adjusting mechanism; 501. an adjusting bolt; 502. a rotating frame; 503. a limit groove; 6. a limiting block; 7. and a cross beam.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present utility model, a sensor calibration device includes a calibration support 1, a fixing mechanism 2, and a sensor 3, wherein a beam 7 is fixedly connected to an upper side of a middle of two sides of the calibration support 1, the sensor 3 is detachably connected to a lower side of the fixing mechanism 2, the fixing mechanism 2 is disposed at an upper end of the beam 7, the fixing mechanism 2 includes a fixing frame 201, a fixing bolt 202, and a spring 203, and the fixing mechanism 2 is used for fixing the sensor 3;

the fixing frame 201 is fixedly connected to the upper end of the cross beam 7, the fixing bolt 202 is connected to the inside of the fixing frame 201 in a sliding manner and extends downwards to the upper screw hole position of the sensor 3, the spring 203 is sleeved on the outer wall of the fixing bolt 202, and two end parts of the spring 203 are respectively and fixedly connected to the upper end inside the fixing frame 201 and the protruding part of the outer wall of the fixing bolt 202;

the upper end of one side of the cross beam 7 far away from the fixed frame 201 is provided with an adjusting mechanism 5, the adjusting mechanism 5 comprises an adjusting bolt 501, a rotating frame 502 and a limiting groove 503, the adjusting bolt 501 is rotatably connected to the upper end of the cross beam 7 and extends downwards, the limiting groove 503 is formed in the outer wall of the upper end of the adjusting bolt 501, the rotating frame 502 is rotatably connected to the outer wall of the upper end of the adjusting bolt 501 and is sleeved on the outer wall of the limiting groove 503, and the limiting groove 503 is matched with the rotating frame 502 to limit the in-situ rotation of the adjusting bolt 501;

one side fixedly connected with stopper 6 of crossbeam 7, stopper 6 are provided with two, and are symmetrical distribution, and the centre of two stoppers 6 is provided with fixed block 4, and fixed block 4 threaded connection is in the downside of adjusting bolt 501, and fixed block 4 reciprocates under the driving action of above-mentioned adjusting bolt 501, and stopper 6 is used for guiding the reciprocating of fixed block 4.

This kind of sensor calibrating installation, when the sensor 3 is required to be installed and examine, upwards pull the dead bolt 202, insert the inside of fixed block 4 with the sensor 3, rotate adjusting bolt 501, make fixed block 4 reciprocate, make sensor 3 and crossbeam 7 laminating, and fix the inner wall at fixed block 4, put down the dead bolt 202, utilize the resilience force of spring 203 to make the dead bolt 202 insert the inside of sensor 3 upper end, make sensor 3 obtain fixing, when the sensor 3 of same model needs to be changed and examine, only need pull the dead bolt 202 once more, and change the sensor 3, need not to adjust bolt 501 once more, through above setting, make the sensor need not the bolt to fix at the in-process of examination installation, only need pull the dead bolt 202 can accomplish, work efficiency has been increased.

In fig. 1: the fixed block 4 is of an L-shaped structure, the thickness of the lower end of the fixed block 4 is smaller, and the fixed block 4 can be inserted into most of sensors 3 on the market.

Through the arrangement, the sensor verification device can enable the fixing blocks 4 to be inserted into the inner walls of the sensors 3 to be fixed when verifying the sensors 3 with different types.

In fig. 2: the outer wall of the rotating part of the adjusting bolt 501 is provided with anti-skid patterns for increasing friction force at equal intervals.

Through the arrangement, friction is increased when the adjusting bolt 501 is rotated, so that the adjusting bolt 501 is more convenient to rotate, and the height of the adjusting bolt 501 is adjusted.

In fig. 4: a rubber sleeve is provided on the lower outer portion of the fixing pin 202.

With the above arrangement, the fixing bolt 202 is inserted into the sensor 3 without wearing the internal thread of the sensor 3.

In fig. 1: the width of the fixed block 4 is matched with the interval between the two limiting blocks 6.

The sensor verification device enables the position of the fixed block 4 to be fixed through the arrangement.

In fig. 1 to 4: the length of the fixing bolt 202 can penetrate through the inside of the cross beam 7 and extend downwards to the inside of the sensor 3, the diameter of the fixing frame 201 is matched with the screw holes in the upper part of the sensor 3, and screw holes are formed in the upper end and the lower end of most of the sensor 3 when description is needed.

By the arrangement, the fixing bolt 202 can be inserted into the sensor 3, so that the sensor 3 is fixed.

The working principle of the utility model is as follows: when the sensor 3 needs to be installed for detection, the fixing bolt 202 is pulled upwards, the sensor 3 is inserted into the fixing block 4, the adjusting bolt 501 is rotated, the fixing block 4 moves up and down, the sensor 3 is attached to the cross beam 7 and fixed to the inner wall of the fixing block 4, the fixing bolt 202 is put down, the fixing bolt 202 is inserted into the inner part of the upper end of the sensor 3 by using the resilience force of the spring 203, the sensor 3 is fixed, when the sensor 3 of the same model needs to be replaced for detection, the fixing bolt 202 is pulled again, the sensor 3 is replaced, the bolt 501 does not need to be adjusted again, the sensor is fixed without bolts in the detection installation process through the arrangement, the sensor can be completed by pulling the fixing bolt 202, and the working efficiency is improved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a sensor calibrating device, includes authentication support (1), fixed establishment (2), sensor (3), crossbeam (7) fixed connection in the upside in the middle of authentication support (1) both sides, sensor (3) detachable connect in the below of fixed establishment (2), a serial communication port, the upper end of crossbeam (7) is provided with fixed establishment (2), fixed establishment (2) include mount (201), dead bolt (202), spring (203), fixed establishment (2) are used for fixing sensor (3);

the fixing frame (201) is fixedly connected to the upper end of the cross beam (7), the fixing bolt (202) is connected to the inside of the fixing frame (201) in a sliding mode and extends downwards to the upper screw hole position of the sensor (3), the spring (203) is sleeved on the outer wall of the fixing bolt (202), and two end portions of the spring (203) are respectively and fixedly connected to the upper end of the inside of the fixing frame (201) and the protruding portion of the outer wall of the fixing bolt (202);

one side fixedly connected with stopper (6) of crossbeam (7), stopper (6) are provided with two, and are symmetrical distribution, two the centre of stopper (6) is provided with fixed block (4), and fixed block (4) set up to L column structure, fixed block (4) can inject the inside of sensor (3).

2. A sensor verification device according to claim 1, wherein the upper end of the side of the beam (7) remote from the holder (201) is provided with an adjustment mechanism (5);

the adjusting mechanism (5) comprises an adjusting bolt (501), anti-skid patterns for increasing friction force are formed in the periphery of the outer wall of the rotating part of the adjusting bolt (501) at equal intervals, and the adjusting bolt (501) is rotatably connected to the upper end of the cross beam (7) and extends downwards;

the adjusting mechanism (5) further comprises a rotating frame (502) and a limiting groove (503), the limiting groove (503) is formed in the outer wall of the upper end of the adjusting bolt (501), the rotating frame (502) is rotatably connected to the outer wall of the upper end of the adjusting bolt (501) and sleeved on the outer wall of the limiting groove (503), and the limiting groove (503) is matched with the rotating frame (502) to limit the adjusting bolt (501) to rotate in situ;

the fixed block (4) is in threaded connection with the lower side of the adjusting bolt (501), the fixed block (4) moves up and down under the driving action of the adjusting bolt (501), and the limiting block (6) is used for guiding the up-and-down movement of the fixed block (4).

3. A sensor verification device according to claim 1, characterized in that the underside of the securing peg (202) is externally provided with a rubber sleeve for protecting the internal threads of the sensor (3).

4. A sensor verification device according to claim 2, wherein the width of the fixed block (4) matches the spacing between the two stop blocks (6).

5. A sensor verification device according to claim 1, wherein the fixing peg (202) has a length that extends through the interior of the cross beam (7) and down to the interior of the sensor (3), and wherein the fixing peg (201) has a diameter that matches the screw hole in the upper part of the sensor (3).