CN217900778U

CN217900778U - Detection device of buoy type pneumatic measuring instrument

Info

Publication number: CN217900778U
Application number: CN202221208336.3U
Authority: CN
Inventors: 谢建; 蒋帆; 谢竹青; 郝晓丹; 张妮
Original assignee: Guangdong Hongtu Wuhan Die Casting Co ltd
Current assignee: Guangdong Hongtu Wuhan Die Casting Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-25
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a detection device of a float type pneumatic measuring instrument, belonging to the technical field of measuring instrument detection, comprising a base and a stand column arranged on the base, wherein a pneumatic measuring head is arranged on the stand column in a sliding way, one end of the pneumatic measuring head is connected with the pneumatic measuring instrument to be detected, and the other end is arranged towards the base; the base is provided with a gauge block, the gauge block is provided with an inclination in at least one direction of a horizontal plane, and a precision adjusting mechanism is arranged in the inclination direction and used for adjusting the gauge block on the horizontal plane and recording horizontal displacement. This application calculates through the displacement of gage block inclination and precision adjustment mechanism record and obtains the gage block just to the vertical displacement change of gas gauge head department, and the rethread is waited to examine the pneumatic measuring instrument itself and is detected acquisition data and calculate data and compare to confirm whether the pneumatic measuring instrument detects data accurate, the overall device structure sets up simple, convenient operation, greatly reduced the examination degree of difficulty of pneumatic measuring instrument.

Description

Detection device of buoy type pneumatic measuring instrument

Technical Field

The utility model belongs to the technical field of the measurement utensil detects, concretely relates to detection device of buoy type air gauge.

Background

The float type pneumatic measuring instrument is also called flow type pneumatic measuring instrument, and is a measuring instrument which converts the change of the measured size into the change of the position of a float in a taper glass tube so as to realize size comparison.

Present car aluminum alloy spare has the higher aperture of more precision, often needs to adopt pneumatic measurement appearance to carry out the measuring in aperture, and its change through length size's change feedback is gas flow's change to carry out the reading through the buoy, acquire aluminum alloy spare aperture size. The detection accuracy of the float type air gauge determines the opening accuracy of the detection member such as the hole, and therefore the detection accuracy of the float type air gauge needs to be verified. The existing verification buoy type pneumatic measuring instrument mainly adopts a series of two pieces to realize length and size change, the work is complex and tedious, the environmental conditions and the like need to be ensured, the verification accuracy is ensured, and the whole process is relatively tedious.

SUMMERY OF THE UTILITY MODEL

To prior art's above defect or improve in the demand one or more, the utility model provides a detection device of buoy type air gauge for solve the loaded down with trivial details problem of current buoy type air gauge verification process.

To achieve the above object, the present invention provides a detection device for a float-type air gauge, which comprises

The pneumatic measuring instrument comprises a base, a stand column arranged on the base and a pneumatic measuring head arranged on the stand column in a sliding manner, wherein one end of the pneumatic measuring head faces the base, and the other end of the pneumatic measuring head is connected with the pneumatic measuring instrument to be detected;

the base is provided with a gauge block, the gauge block has an inclination in at least one direction of a horizontal plane, and at least one side of the gauge block along the direction with the inclination is provided with a precision adjusting mechanism capable of recording horizontal displacement;

the precision adjusting mechanism is used for adjusting the displacement of the gauge block in the inclination direction, so that the vertical distance between the gas measuring head and the gauge block in the position opposite to the gauge block is adjusted.

As a further improvement, the precision adjustment mechanism includes the micromotion piece, the micromotion piece is located the base with between the gage block, just the micromotion piece orientation the one end that the gage block possesses the inclination direction is equipped with the differentiating device, the differentiating device is used for the record the displacement of micromotion piece.

As a further improvement, the gas measuring head is connected with the gas measuring instrument to be detected through a gas pipe joint.

As a further improvement, the stand is provided with a support arm in a sliding manner, and the gas measuring head is fixed on the support arm.

As a further improvement, the support arm is provided with a first tightening screw, which is used for adjusting the column and the tightness of the support arm.

As a further improvement, the support arm is further provided with a second tightening screw, which is used for adjusting the gas measuring head and the tightness of the support arm.

As a further improvement of the present invention, the gas measuring head is provided with the gauge block which is opposite to the vertical displacement variation of the position and the ratio of the displacement variation of the precision adjusting mechanism on the horizontal plane is 1.

As a further improvement of the present invention, the inclination of the gauge block in at least one of the directions of the horizontal plane is 0.047 °.

The above-described improved technical features may be combined with each other as long as they do not conflict with each other.

Generally, through the utility model above technical scheme who conceives compares with prior art, the beneficial effect who has includes:

(1) The utility model discloses a detection device of buoy type air gauge, it is through setting up gage block and precision adjustment mechanism, utilize precision adjustment mechanism to realize the gage block and possessing the ascending horizontal displacement of inclination side, and utilize the gage block inclination of itself and precision adjustment mechanism's displacement calculation to obtain gage block and gas head just to the change of position on vertical displacement, it detects this gage block in vertical displacement change to recycle to wait to examine the air gauge response, the data that will wait to examine air gauge test and obtain are compared with the data that precision adjustment mechanism adjusted the conversion and obtain, it is accurate to examine the air gauge detection with the affirmation, the overall arrangement structure quantifies the detection data of air gauge through precision adjustment mechanism, in order to obtain its examination degree of accuracy, the design is simple, high durability and convenient use, the examination degree of difficulty of air gauge has been reduced.

(2) The utility model discloses a detection device of buoy type air gauge appearance, its vertical displacement through gas gauge head and air gauge appearance air-blowing detection gage block changes, the rethread sets for the vertical displacement change that gage block inclination and differential device's regulation precision calculated and obtain the gage block, compare the two and verify the detection accuracy of waiting to examine air gauge appearance, wholly adjust high-efficient swift, and the accessible adjusts the displacement change between the high grade realization gas gauge head of support arm and the gage block, can acquire its examination data under the co-altitude, ensure the air gauge examination degree of accuracy.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a detection device of a float-type air gauge according to an embodiment of the present invention;

fig. 2 is a schematic side view of a detection device of a float-type air gauge according to an embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular:

1. a base; 2. a column; 3. a gas probe; 4. measuring blocks; 5. a micromotion block; 6. a differentiating means; 7. a gas pipe joint; 8. a support arm; 9. a first tightening screw; 10. and secondly, screwing the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

referring to fig. 1 and 2, the detecting device of the floating type air gauge in the preferred embodiment of the present invention includes a base 1, a column 2 disposed on the base 1, a pneumatic measuring head 3 slidably disposed on the column 2, and one end of the pneumatic measuring head 3 facing the base 1 and connected to the other end of the base to be inspected. Furthermore, a measuring block 4 is arranged on the base 1, the measuring block 4 has an inclination in at least one direction of a horizontal plane, and a precision adjusting mechanism is arranged on at least one side of the measuring block 4 along the direction with the inclination and has a function of automatically recording displacement; this precision adjustment mechanism can drive gage block 4 and carry out the displacement in the inclination direction, and gage block 4 itself possesses the inclination, when its horizontal displacement changes, gas gauge head 3 just changes the vertical displacement of gage block 4, make and wait to examine pneumatic measuring instrument test data and change, vertical displacement data that obtains through waiting to examine the test of pneumatic measuring instrument itself and the vertical displacement distance that precision adjustment mechanism and gage block 4 inclination calculation obtained compare, with verify should wait to examine pneumatic measuring instrument test data accurate.

Further, as the preferred embodiment of the utility model discloses, precision adjusting device in this application includes fine motion block 5, and this fine motion block 5 sets up between base 1 and gage block 4 to this fine motion block 5 is provided with differential device 6 towards the one end that gage block 4 possesses the inclination direction, and differential device 6 mainly used adjusts the displacement of fine motion block 5 in the inclination direction and records that its displacement is vertical.

Specifically, because the measuring accuracy of waiting to examine air gauge itself is higher, when adjusting gauge block 4 displacement through differential device 6 in order to realize its vertical displacement to gas gauge head 3, base 1 itself possesses certain inclination or exists unsmooth at ordinary times, its direct influence is to the calculation of 4 vertical displacements of gauge block, and when realizing 4 displacement changes of gauge block, in order to examine the precision of air gauge itself, this gauge block 4 displacement variation itself is less, adopt the direct mode of moving gauge block 4 or base 1 of device instrument all inappropriate. Therefore, the micromotion block 5 is arranged between the gauge block 4 and the base 1, the displacement of the micromotion block 5 is adjusted through the differentiating device 6, the level of the placing surface of the gauge block 4 is ensured by the micromotion block 5, and the differentiating device 6 can accurately record the tiny displacement of the gauge block 4 so as to improve the calibration precision of the air momentum instrument to be detected.

Further, as the preferred embodiment of the utility model discloses, the gas head 3 in this application with wait to be connected through air pipe connection 7 between examining the pneumatic measurement appearance.

Further, as the preferred embodiment of the present invention, a support arm 8 is slidably disposed on the column 2 in the present application, and the gas measuring head 3 is fixed on the support arm 8. When the air momentum meter to be detected is detected, the vertical displacement change of the position where the air measuring head 3 and the measuring block 4 are opposite is realized mainly through the movement of the measuring block 4. However, the gauge block 4 itself has high adjustment accuracy, which results in less displacement change amount in the vertical direction, and in order to verify the detection accuracy of the air gauge instrument to be detected in different height intervals, the height of the air gauge head 3 in the vertical direction needs to be adjusted, so as to greatly change the displacement of the air gauge head 3 and the gauge block 4. Therefore, the support arm 8 is arranged on the upright post 2 in a sliding manner and is connected with the air measuring head 3 through the support arm 8, and when the height of the air measuring head 3 needs to be adjusted, the support arm 8 can be adjusted in a sliding manner.

Further preferably, the support arm 8 and the base 1 are horizontally arranged, so that the end of the air measuring head 3 is always arranged opposite to the measuring block 4, and the accuracy of the detection data of the air measuring instrument is ensured.

Further preferably, a first tightening screw 9 is arranged on the support arm 8, the first tightening screw 9 is arranged at the sliding joint of the support arm 8 and the upright post 2, and the tightness between the support arm 8 and the upright post 2 is realized by adjusting the first tightening screw 9 so as to realize the relative fixation and the relative sliding between the support arm 8 and the upright post 2.

Further preferably, a second tightening screw 10 is further disposed on the support arm 8, the second tightening screw 10 is disposed at a joint of the support arm 8 and the gas measuring head 3, and tightness between the support arm 8 and the gas measuring head 3 is achieved by adjusting the second tightening screw 10, so as to achieve taking and placing of the gas measuring head 3 on the support arm 8.

Further preferably, in the present application, the ratio of the vertical displacement variation of the position where the gas measuring head 3 faces the measuring block 4 to the displacement variation of the differentiating device 6 on the horizontal plane is 1. Example (c): when the horizontal adjustment of the differentiator 6 is 0.5mm, the vertical displacement variation of the position of the gas measuring head 3 opposite to the measuring block 4 is 0.01mm.

Further preferably, in the present application, the surface of the gauge block 4 forms a slope of 0.047 °, so as to achieve a ratio of a vertical displacement variation of the position where the gas measuring head 3 faces the gauge block 4 to a displacement variation of the differentiating device 6 on a horizontal plane, which is 1.

As the preferred embodiment of the present invention, since it is only necessary to ensure that the gauge block 4 has a certain inclination in the detection state in the present application, the inclination formed on the surface of the gauge block 4 can be formed by the base 1 or the micro-motion block 5. Namely, the gauge block 4 has an inclined plane structure, the micromotion block 5 and the base 1 have a plane structure, or the gauge block 4 has a plane structure, the micromotion block 5 has an inclined plane structure, and the base 1 has a plane structure.

The utility model provides a detection device of buoy type air gauge obtains with differential device 6's horizontal displacement and gage block 4 inclination conversion mode itself through the detection data that will wait to examine air gauge, through comparing the difference that obtains data under two kinds of different modes, verifies the accuracy of this waiting to examine air gauge measured data itself. The whole device is simple in setting form, convenient to operate, free of testing by professionals, capable of completing verification only by comparing displacement data with detection data of the pneumatic measuring instrument, improving the verification efficiency of the pneumatic measuring instrument and reducing the verification difficulty of the pneumatic measuring instrument.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A detection device of a float-type air gauge, comprising:

the pneumatic measuring instrument comprises a base, a stand column arranged on the base and a pneumatic measuring head arranged on the stand column in a sliding manner, wherein one end of the pneumatic measuring head faces the base, and the other end of the pneumatic measuring head is connected with a pneumatic measuring instrument to be detected;

the base is provided with a gauge block, the gauge block has an inclination in at least one direction of a horizontal plane, and the gauge block is provided with a precision adjusting mechanism along at least one side of the inclination direction, and the precision adjusting mechanism can record horizontal displacement;

2. The detection device according to claim 1, wherein the accuracy adjustment mechanism includes a micromotion block, the micromotion block is provided between the base and the gauge block, and a differentiation device for recording a displacement of the micromotion block is provided at an end of the micromotion block having a slope direction toward the gauge block.

3. The detection device of the float air gauge according to claim 1, wherein the air gauge head is connected to the air gauge to be inspected by an air pipe joint.

4. The apparatus according to claim 1, wherein a support arm is slidably disposed on the column, and the pneumatic gauge head is fixed to the support arm.

5. The detection device of the floating air gauge according to claim 4, wherein the arm has a first tightening screw for adjusting tightness between the post and the arm.

6. The apparatus according to claim 4, wherein the arm further includes a second tightening screw for adjusting tightness between the pneumatic gauge head and the arm.

7. The detection device of the floating air-gauge according to any one of claims 1 to 4, wherein a ratio of a vertical displacement variation amount of a facing position of the air-gauge head and the gauge block to a displacement variation amount of the accuracy adjustment mechanism on a horizontal plane is 1.

8. The apparatus according to any one of claims 1 to 4, wherein the inclination of the gauge block in at least one direction of the horizontal plane is 0.047 °.