CN219572994U - Calibration pedestal device of road displacement sensor - Google Patents

Abstract

The calibrating pedestal device for road displacement sensor consists of mainly fixed pedestal, screw micrometer, movable pedestal, displacement sensor, elevating platform, sliding groove, etc. Aiming at the problem that the existing calibration products of the displacement sensor are difficult to match with the displacement sensors with multiple types and sizes, the utility model scientifically and reasonably designs the calibration pedestal device and simplifies the design of part of structures on the basis of researching the displacement sensors with different sizes and cross-sectional shapes. Functionally, accommodation of displacement sensors of various sizes and cross-sectional shapes is achieved; in order to ensure the reliability and accuracy of the calibration result, the vertical position adjustment of various displacement sensors is realized, and the vertical position adjustment can be completely centered with the screw micrometer in the calibration process. The utility model also has the advantages of simple structure, convenient operation and high working efficiency.

Description

Calibration pedestal device of road displacement sensor

Technical Field

The utility model is suitable for the field of sensor materials in road engineering, and particularly relates to a calibration pedestal device of a road displacement sensor.

Background

The displacement sensor is a sensor commonly used for monitoring or detecting various structural deformations at present, aiming at different structural forms and detection contents, the use types of the sensor are not nearly the same, namely, the types of sensors on the market are various, the common displacement sensor in the road engineering field mainly comprises two types of circular and square, and the sizes of the sensors with different types and different measuring ranges are also greatly different. Numerous studies are reported in the publications on displacement sensor calibration devices, such as: a displacement sensor calibration device and a measurement method thereof (CN 202110617655.3), a high-precision displacement sensor calibration instrument (CN 202022691485.7), a closed type displacement sensor calibration device (CN 201110282770.6) and the like. The purpose is to adopt displacement sensor calibration pedestal to carry out self-calibration to the sensor, save detection cost when guaranteeing detection precision. In the detection of road engineering and the structure thereof, because the displacement sensors are numerous and the parameter difference exists objectively, the existing products are difficult to calibrate the displacement sensors with different models and sizes, and in order to solve the problem, the utility model provides a calibration pedestal device of the road displacement sensor.

Disclosure of Invention

The utility model aims to provide a pedestal suitable for self-calibration of various types of sensors, solves the problem that the existing calibration products of displacement sensors are difficult to match with various types of displacement sensors at the same time, realizes self-calibration functions and detection accuracy of different sensors, and simultaneously saves verification cost.

In order to achieve the purpose of the utility model, the technical scheme adopted is as follows: the calibrating pedestal device for the road displacement sensor is characterized by comprising a fixed pedestal, a screw micrometer, a movable pedestal, a displacement sensor wiring terminal, a screw knob, a screw micrometer pointer, a displacement sensor pointer, a first anchoring bolt, a second anchoring bolt, a storage groove, a lifting platform, an anchoring end, a sliding groove, a square displacement sensor and a circular displacement sensor.

The screw micrometer is fixed on the fixed base, sliding grooves are formed in two sides of the bottom of the fixed pedestal, the movable pedestal is arranged on the fixed base through second anchoring bolts, a screw knob, a lifting platform, a storage groove and first anchoring bolts are arranged on the movable pedestal, and the displacement sensor penetrates through the storage groove and is placed on the lifting platform.

The movable pedestal is fixed with the sliding groove through the second fixing bolt 10, the movable pedestal can generate relative displacement along the sliding groove, the side surface and the top surface of the movable pedestal are both provided with first anchor bolts, the horizontal central line of the first anchor bolts arranged on the side surface is consistent with the horizontal central line of the screw micrometer in height, the relative displacement value is determined according to the type of a displacement sensor used in an experiment and the specific experimental design, and the position of the movable pedestal can be fixed after the first anchor bolts on the side surface of the movable pedestal are screwed.

The displacement sensor is placed in a storage groove on the movable pedestal, the height of the horizontal central line of the displacement sensor is the same as that of the spiral micrometer, the height of the lifting platform is adjusted through a spiral button on the movable pedestal, and the position of the displacement meter can be fixed after the first anchoring bolt on the top surface of the movable pedestal is screwed. The working principle of the lifting platform is the screw principle.

The utility model has the beneficial effects that: the utility model can realize the vertical position adjustment of various displacement sensors, and can lead the displacement sensors to be completely centered with the spiral micrometer in the calibration process, thereby improving the reliability and accuracy of the calibration result of the displacement sensors; compared with the existing products, the design size of the storage groove simplifies the design, the size can accommodate displacement sensors with different sizes and cross-sectional shapes, the placement and calibration of various displacement sensors in the market can be realized, and the cost is effectively saved; the utility model also has the advantages of simple structure, convenient operation and high working efficiency.

Drawings

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

FIG. 2 is a schematic view of a stationary stand according to the present utility model;

FIG. 3 is a schematic diagram of a mobile platform according to the present utility model;

FIG. 4 is a schematic diagram of a displacement sensor according to the present utility model;

the names corresponding to the serial numbers in the figures are:

1. a stationary pedestal; 2. a screw micrometer; 3. a moving pedestal; 4. a displacement sensor terminal; 6. a screw knob; 7. a screw micrometer pointer; 8. a displacement sensor pointer; 9. a first anchor bolt; 10. a second anchor bolt; 11. a storage groove; 12. a lifting platform; 13. an anchor end; 14. a sliding groove; 15. a square displacement sensor; 16. a circular displacement sensor.

Detailed Description

For a clearer description of the present technology, the present technology is further described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, the device mainly comprises a fixed pedestal 1, a movable pedestal 3, a screw micrometer 2, a displacement sensor 4 and the like. The fixed pedestal 1 is divided into a part with a sliding groove 14 and a part without the sliding groove, the screw micrometer is fixed above the part without the sliding groove, the movable pedestal 3 passes through the sliding grooves 14 on two sides of the fixed pedestal 1, the second anchor bolts are connected with the movable pedestal through the sliding grooves 14, the sizes of the bolts are larger than those of the sliding grooves, the state of the movable pedestal 3 is adjusted by adjusting the second fixing bolts 10, when the position of the movable pedestal 3 is required to be adjusted, the second fixing bolts 10 are loosened, the movable pedestal 3 can move along the sliding grooves 14, and when the position is adjusted to a proper position, the second fixing bolts 10 are screwed. The movable pedestal 3 is provided with a screw knob 6, a lifting platform 12, a first anchoring bolt 9, a storage groove 11 and the like, a displacement sensor is placed on the lifting platform 12 through the storage groove, the screw knob 6 is adjusted to adjust the height of the lifting platform 12, the horizontal centering alignment of a pointer 8 of the displacement sensor and a pointer 7 of the spiral micrometer is ensured, the center line of the first anchoring bolt is positioned on the same horizontal line with the center line of the spiral micrometer 2, the centers of different displacement sensors can be centered with the center of the first anchoring bolt 9 through the lifting platform 12, the first anchoring bolts 9 on two sides of the storage groove 11 are rotated, and after the displacement sensors are horizontally fixed, the first anchoring bolts 9 above the storage groove 11 are rotated, so that the displacement sensor is vertically fixed. After the position of the displacement sensor is fixed, the movable pedestal 3 is adjusted to enable the displacement sensor pointer 8 to be in contact with the screw micrometer pointer 7, the terminal 4 of the displacement sensor is connected with the collector, and after the collector and the screw micrometer are cleared, the knob of the screw micrometer 2 is rotated to start calibration work.

The above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, as many variations, modifications, additions and substitutions are possible, without departing from the scope of the utility model as disclosed in the accompanying claims.

Claims (3)

1. The calibrating pedestal device of the road displacement sensor is characterized by comprising a fixed pedestal, a screw micrometer, a movable pedestal, a displacement sensor wiring terminal, a screw knob, a screw micrometer pointer, a displacement sensor pointer, a first anchoring bolt, a second anchoring bolt, a storage groove, a lifting platform, an anchoring end, a sliding groove, a square displacement sensor and a circular displacement sensor; the screw micrometer is fixed on the fixed base, sliding grooves are formed in two sides of the bottom of the fixed pedestal, the movable pedestal is arranged on the fixed base through second anchoring bolts, a screw knob, a lifting platform, a storage groove and first anchoring bolts are arranged on the movable pedestal, and the displacement sensor penetrates through the storage groove and is placed on the lifting platform.

2. The calibration stand apparatus of a road displacement sensor according to claim 1, wherein the movable stand is relatively displaceable along the sliding groove and is fixed to the sliding groove by a second fixing bolt; the side and the top of the mobile pedestal are both provided with first anchor bolts, and the horizontal center line of the first anchor bolts arranged on the side of the mobile pedestal is consistent with the horizontal center line of the screw micrometer in height.

3. The device for calibrating a displacement sensor for a road according to claim 1, wherein the displacement sensor is placed in a storage groove of the movable base, the horizontal center line of the displacement sensor is the same as the height of the screw micrometer, the height of the lifting platform is adjusted by a screw button on the movable base, and the position of the displacement sensor can be fixed after screwing a first anchoring bolt on the side surface and the top surface of the movable base.