Flange plate inner hole detection device

Abstract

The utility model relates to the technical field of detection devices, and particularly aims to solve the problem that the inner diameter dimensions and roundness at different height positions of an inner hole of a flange plate are difficult to detect at the same time in the prior art. The utility model provides a flange plate inner hole detection device which comprises a gas electricity meter and a pneumatic measuring head, and the pneumatic measuring head is connected with the gas electricity meter through a gas pipe. The outer side surface of the pneumatic measuring head is provided with a plurality of air hole groups along the axial direction, each air hole group comprises a plurality of longitudinally arranged air holes, and each air hole is provided with a detection probe; a plurality of sections of a flange inner hole can be detected synchronously, roundness, taper and the like can be monitored synchronously, and flange plate installation quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, specifically, relate to a flange plate hole detection device. BACKGROUND

[0002] Flange plate hole detection is the important link of ensuring flange plate quality and precision. The main purpose of flange plate hole detection is to verify whether the relative position of its inner diameter size, roundness meets the design requirement, to ensure that flange plate can accurately, stably connect other components in the use process.

[0003] However, due to the problems such as out-of-round or taper of flange inner hole, resulting in slip after installation, the product quality is greatly reduced. Now the traditional detection method is basically to use the caliper or micrometer, not only its detection efficiency is low and the accuracy is poor, and, since the inner diameter size, roundness of the inner side of flange plate at different height cross sections may exist certain deviation, therefore, when measuring using caliper or micrometer, it is difficult to accurately obtain the inner diameter size, roundness of flange plate hole, whether it meets the design requirement at different positions, resulting in that the detection result of flange plate product is not accurate enough. UTILITY MODEL CONTENT

[0004] In order to solve the problem that the inner diameter size, roundness of different height positions of flange plate hole is difficult to detect simultaneously in the prior art, the purpose of the utility model is to provide a flange plate hole detection device, which can synchronously detect multiple cross sections of flange inner hole, synchronously monitor roundness, taper and the like, and improve the installation quality of flange plate.

[0005] The embodiment of the utility model is realized by the following technical schemes:

[0006] A flange plate hole detection device, comprising a gas-electricity meter and a pneumatic probe, the pneumatic probe is connected with the gas-electricity meter through a gas pipe.

[0007] The outer side surface of the pneumatic probe is provided with a plurality of gas hole groups in the axial direction, and each gas hole group comprises a plurality of longitudinally arranged gas holes, and a detection probe is arranged on each gas hole.

[0008] Further, the plurality of longitudinally arranged gas holes are coaxially arranged.

[0009] Further, the plurality of gas hole groups are uniformly arranged along the circumference of the pneumatic probe.

[0010] Further, the gas-electricity meter comprises a plurality of gas-electricity columns, and the number of the gas-electricity columns is consistent with the number of the gas holes.

[0011] Further, one gas hole is connected with one gas-electricity column through one gas pipe. Further, one gas hole is connected with one gas-electricity column through one gas pipe.

[0012] Further, the pneumatic probe comprises a detection head and a handle connected with the detection head, the group of air holes are arranged on the detection head, the center of the detection head is provided with an air inlet channel, preferably, the air inlet channel extends upward to the center cavity of the handle, one air inlet channel is in communication with one air hole; the air pipe extends from the center cavity of the handle to the air inlet channel and is in communication with the air hole.

[0013] Further, the height of the detection head is not less than the height of the inner hole of the flange plate.

[0014] Further, the outer side of the handle is circumferentially provided with a buffer pad.

[0015] The technical scheme of the utility model has at least the following advantages and beneficial effects:

[0016] The utility model discloses reasonable in design, simple structure, when detecting, directly put the pneumatic side head into the inner hole of flange plate, then utilize the multiple air holes on the pneumatic probe and the detection probe to detect the inner hole of flange plate, and the probe is connected with the processor signal of gas electricity quantity appearance, so that the result can be displayed on the display instrument, length signal is converted into airflow signal, gas signal is converted into electric signal through gas electricity converter, then the result displayed by gas electricity quantity appearance can be observed, thereby realizing the measurement of multiple parameters, so that the operator can directly read the number, improve the detection efficiency, reduce the risk of defective products. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should understand, the following drawing only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0018] Figure 1 The structural schematic diagram of the flange plate inner hole detection device provided by the embodiment of the utility model is shown in the figure.

[0019] Figure 2 The structural schematic diagram of the pneumatic probe provided by the embodiment of the utility model is shown in the figure.

[0020] Figure 3 The top view of the pneumatic probe provided by the embodiment of the utility model is shown in the figure.

[0021] Figure: 1-gas electricity column, 2-air pipe, 3-pneumatic probe, 31-handle, 32-detection head, 321-air hole, 322-detection probe, 33-air inlet channel. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Example 1

[0024] A flange inner hole detection device includes a gas-electricity meter and a pneumatic probe 3, wherein the pneumatic probe 3 is connected to the gas-electricity meter via an air pipe 2; the outer side surface of the pneumatic probe 3 is axially provided with a plurality of groups of air holes 321, and one group of air holes 321 includes a plurality of longitudinally arranged air holes 321, that is, a plurality of longitudinally arranged air holes 321 constitute the group of air holes 321; each of the air holes 321 is provided with a detection probe 322.

[0025] Before use, the present invention first uses the upper limit ring gauge and the lower limit ring gauge corresponding to the inner diameter of the flange to be detected d±0.20 or d±0.22 to calibrate the pneumatic probe 3. After calibration, the pneumatic side head is directly placed into the inner hole of the flange, and then the inner hole of the flange is detected using the multiple air holes 321 and the detection probe 322 on the pneumatic probe 3. The probe is connected to the processor signal of the gas-electricity meter so that the result can be displayed on the display instrument, the length signal is converted into an airflow signal, and the gas signal is converted into an electrical signal through the gas-electricity converter. Then, the result displayed by the gas-electricity meter can be observed, thereby realizing the measurement of multiple parameters. In this way, the operator can directly read the readings, improve the detection efficiency, and reduce the risk of defective products.

[0026] The center lines of the multiple longitudinally arranged air holes 321 are coaxially arranged, so that the inner side surfaces at different heights can be measured on the same center line, thereby improving the relative accuracy of the detection results; specifically in this embodiment, three air holes 321 are evenly spaced along the longitudinal direction, and three gas-electric columns 1 are correspondingly provided, so that the three cross-sections of the flange inner hole can be detected, and the roundness and taper thereof can be monitored synchronously, thereby improving the installation quality of the flange.

[0027] In this embodiment, there are multiple groups of air holes 321, and the multiple groups of air holes 321 are evenly arranged along the circumference of the pneumatic probe 3; that is, multiple groups of air holes 321 are arranged at longitudinal intervals on the outer circumferential surface of the pneumatic probe 3. In this way, multi-point detection can be performed at different heights of the inner circumference of the flange, thereby improving the accuracy of the detection data of the inner diameter or roundness of the flange, so that the inner diameter or roundness of the flange at different positions can be more accurately reflected.

[0028] In the embodiment, the pneumatic electricity quantity instrument comprises a plurality of pneumatic electricity columns 1, the number of the pneumatic electricity columns 1 is consistent with the number of the air holes 321; one air hole 321 is connected with one pneumatic electricity column 1 through one air pipe 2; the air pipe 2 is filled with compressed air; the signal detected at the air hole 321 is directly displayed on the display screen of the pneumatic electricity column 1 after pneumatic electricity conversion, so that the inner diameter, roundness and other data of different positions of the inner hole of the flange plate can be directly and rapidly detected.

[0029] In the embodiment, the pneumatic measuring head 3 comprises a detection head 32 and a handle 31 connected with the detection head 32; the air hole 321 group is arranged on the detection head 32; the detection head 32 is provided with an air inlet channel 33 in the center, preferably, the air inlet channel 33 extends upwards to the center cavity of the handle 31; one air inlet channel 33 is connected with one air hole 321; the air pipe 2 extends from the center cavity of the handle 31 to the air inlet channel 33 and is connected with the air hole 321; in this way, the air pipe 2 is placed more stably, so that the detection can be more stably and smoothly carried out, and the reliability of the detection process and the detection result is guaranteed.

[0030] In the embodiment, the height of the detection head 32 is not less than the height of the inner hole of the flange plate, preferably, the height of the detection head 32 is consistent with the height of the inner hole of the flange plate, so that the detection of different heights of the inner hole of the flange plate can be more uniform and accurate.

[0031] In the embodiment, the handle 31 is provided with a buffer pad on the outer side in the circumferential direction; in this way, the handle is more stable and comfortable when held.

[0032] The above is only the preferred embodiment of the utility model and is not used for limiting the utility model; for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flange inner hole detection device, characterized in that: It includes a gas-electricity meter and a pneumatic probe, wherein the pneumatic probe is connected to the gas-electricity meter through an air pipe; The outer side surface of the pneumatic probe is provided with a plurality of air hole groups along the axial direction. One of the air hole groups includes a plurality of air holes arranged longitudinally, and each of the air holes is provided with a detection probe.

2. The flange inner hole detection device according to claim 1, characterized in that: There are a plurality of air hole groups, and the plurality of air hole groups are evenly arranged along the circumference of the pneumatic probe.

3. The flange inner hole detection device according to claim 1, characterized in that: The center lines of the plurality of longitudinally arranged air holes are arranged to coincide with each other.

4. The flange inner hole detection device according to claim 3, characterized in that: The gas-electricity meter includes a plurality of gas-electricity columns, and the number of the gas-electricity columns is consistent with the number of the air holes.

5. The flange inner hole detection device according to claim 4, characterized in that: One of the air holes is connected to one of the air-electric columns through one of the air pipes.

6. The flange inner hole detection device according to claim 1, characterized in that: The pneumatic probe includes a detection head and a handle connected to the detection head. The air hole group is arranged on the detection head. An air inlet channel is provided at the center of the detection head. One of the air inlet channels is connected to one of the air holes. The air pipe extends from the central cavity of the handle into the air inlet channel and is connected to the air hole.

7. The flange inner hole detection device according to claim 6, characterized in that: The height of the detection head is not less than the height of the inner hole of the flange.

8. The flange inner hole detection device according to claim 6, characterized in that: A buffer pad is provided on the outer side of the handle along the circumferential direction.

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