Nondestructive high-precision roller diameter pneumatic gauge
By designing a non-destructive high-precision pneumatic gauge for rolling mills with adjustable outlet position and gas filtration system, the problem of pneumatic gauges being unable to adapt to different rolling mill models has been solved, achieving flexible measurement and high-precision measurement results.
Patent Information
- Application Number
- CN202520867403.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-05-06
AI Technical Summary
Existing pneumatic measuring instruments have fixed air outlet positions when measuring roll diameter, which cannot adapt to the surface shapes of rolls of different models and specifications, resulting in the gas not being able to work optimally and having a limited range of applications.
A non-destructive high-precision pneumatic gauge for rolls with adjustable outlet position was designed. It achieves sealing through threaded cover, third gasket and bolts, and combines gas filtration with detachable activated carbon plate and filter screen to ensure gas purity. The main body of the pneumatic gauge is fixed plate and numerical observation column for measurement.
It enables flexible adjustment of the gas outlet position, has a wide range of applications, provides high gas purity, improves measurement accuracy, is easy to operate, and is suitable for various roll models.
Smart Images

Figure CN223783593U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pneumatic quantity appearance technical field more specifically, the utility model relates to nondestructive high-precision roll diameter pneumatic quantity appearance. BACKGROUND
[0002] Pneumatic quantity appearance is a kind of instrument using pneumatic measuring principle to measure size, the change of the size to be measured is converted into the change of gas flow or pressure, and then the change is converted into measurable and displayable signal, so that the size of the measured object is measured;Pneumatic quantity appearance can be used to measure roll diameter, has the characteristics such as non-contact, high precision, nondestructive testing.
[0003] Through the search, the China patent with the announcement number CN222419124U discloses a kind of device for detecting circular arc diameter using pneumatic quantity appearance, diameter measuring body is placed to the circular arc end surface of the part needing to be detected by handle, gas is transported to the inside of gas conveying pipeline by gas-dynamic electronic column through gas conveying connector, gas passes through handle and measuring support and enters gas conveying groove, gas conveying groove transports gas to the two sides of diameter measuring body by gas outlet hole, gas on the two sides of diameter measuring body will act on the circular arc of part, since the circular arc diameter of part is not one, different air pressure variation will be generated, the pressure of outlet gas shown by observing numerical observation column can be measured, the circular arc diameter of part is measured, the device uses gas as medium to measure part, can be directly measured on work station, reduce the convenience and efficiency of part three-coordinate measurement process, improve the efficiency of measurement.
[0004] The above-mentioned pneumatic quantity appearance is used to measure roll diameter, gas conveying groove transports gas to the two sides of diameter measuring body through gas outlet hole, but it is inconvenient to adjust the position of gas outlet, different models and specifications of roll have differences in diameter size, surface shape and the like, and fixed gas outlet position can cause gas to act on the surface of measured roll in the best way, so the scope of application is small. UTILITY MODEL CONTENTS
[0005] In order to overcome the above-mentioned defects of prior art, the utility model provides nondestructive high-precision roll diameter pneumatic quantity appearance, aiming at solving the problems proposed in the above background art.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: nondestructive high-precision roll diameter pneumatic gauge, including pneumatic gauge main part and gas pipe, and the rear end of gas pipe is fixedly communicated with pneumatic gauge main part, the front end of gas pipe is fixedly communicated with the four gas outlet pipes of gas storage tank, the front side of gas storage tank is rotatably connected with cross pipe through bearing, the rear side of cross pipe is fixedly communicated with U type baffle, the outside of U type baffle is fixedly connected with two second gaskets, and two second gaskets are in contact with gas storage tank, the outside of cross pipe and the front side of gas storage tank are fixedly provided with handle, the handle is provided with sealing assembly, and the sealing assembly includes screw cover, third gasket and bolt.
[0007] Further, the outside of the screw cover is threadedly connected with the gas storage tank, the front end of the third gasket is fixedly connected with the screw cover, and the rear end of the bolt penetrates the screw cover and the bolt, and the outside of the bolt is threadedly connected with the screw cover.
[0008] It can be seen that, in the above technical scheme, the cross pipe is sealed by the screw cover, and the third gasket can improve the sealing between the screw cover and the gas storage tank, and the bolt can prevent the handle from rotating.
[0009] Further, the rear side of the pneumatic gauge main body is fixedly communicated with a purification tank, and the rear side of the purification tank is fixedly embedded with a filter screen.
[0010] It can be seen that, in the above technical scheme, the filter screen filters impurities in the gas.
[0011] Further, two activated carbon plates are movably arranged in the purification tank, two limiting frames are movably arranged on each of the two activated carbon plates, and one side of each of the four limiting frames is fixedly connected with the purification tank.
[0012] It can be seen that, in the above technical scheme, the two activated carbon plates can absorb moisture in the gas.
[0013] Further, a tank cover is movably connected to the top of the purification tank by a buckle, a first gasket is movably arranged on the tank cover, and the bottom end of the first gasket is in contact with the purification tank.
[0014] It can be seen that, in the above technical scheme, the first gasket can improve the sealing between the purification tank and the tank cover.
[0015] Further, a fixed plate is fixedly connected to the bottom end of the pneumatic gauge main body.
[0016] It can be seen that, in the above technical scheme, the fixed plate is fixed by the fixing bolt, so that the pneumatic gauge main body can be fixed.
[0017] Furthermore, a numerical observation column is fixedly installed on the front side of the main body of the pneumatic gauge near the top edge.
[0018] As can be seen, in the above technical solution, the diameter of the high-precision roll can be measured non-destructively by observing the pressure of the air output displayed by the numerical observation column.
[0019] The technical effects and advantages of this utility model are as follows:
[0020] 1. This utility model involves rotating a bolt away from the handle, rotating a threaded cover away from the air tank, and then rotating the handle to rotate a U-shaped baffle and two second washers. The U-shaped baffle and two second washers block two of the air outlet pipes, allowing air to be discharged through the other two air outlet pipes. When the threaded cover is not installed, air is discharged through the front end of the horizontal pipe. It is simple to operate, easy to adjust the air outlet position, and has a wide range of applications.
[0021] 2. This utility model filters impurities in the gas through a filter screen, and two activated carbon plates can absorb moisture in the gas to ensure the accuracy of the measurement. The treated gas enters the gas storage box through the gas pipe. The buckle is opened to release the fixation between the box cover and the purification box, and the two activated carbon plates are disassembled and replaced. Similarly, the two activated carbon plates are installed. Four limiting frames can limit the deflection of the two activated carbon plates. The structure is simple and easy to use. Attached Figure Description
[0022] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This is a rear view of the overall structure of this utility model;
[0025] Figure 3 This is a cross-sectional view of the purification box and a schematic diagram of the activated carbon plate assembly structure of this utility model;
[0026] Figure 4 This is a cross-sectional view of the gas storage tank and a schematic diagram of the U-shaped baffle assembly structure of this utility model.
[0027] Figure 5 This is a schematic diagram of the assembly structure of the sealing component and the U-shaped baffle of this utility model.
[0028] Fig. 1, pneumatic gauge body; 2, fixed plate; 3, air pipe; 4, gas storage tank; 5, air outlet pipe; 6, sealing assembly; 7, purification tank; 8, first gasket; 9, tank cover; 10, filter screen; 11, activated carbon plate; 12, limiting frame; 13, U-shaped baffle; 14, cross pipe; 15, handle; 16, second gasket; 17, numerical observation column; 601, threaded cover; 602, third gasket; 603, bolt. DETAILED DESCRIPTION
[0029] The embodiments of the present application will be described in detail with specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
[0030] Referring to the drawings Figures 1-5 The lossless high-precision roll diameter pneumatic gauge of the embodiment comprises a pneumatic gauge body 1 and an air pipe 3, the rear end of the air pipe 3 is fixedly communicated with the pneumatic gauge body 1, the front end of the air pipe 3 is fixedly communicated with a gas storage tank 4, four air outlet pipes 5 are fixedly communicated on the gas storage tank 4, a cross pipe 14 is movably connected to the front side of the gas storage tank 4 through a bearing, a U-shaped baffle 13 is fixedly communicated on the rear side of the cross pipe 14, two second gaskets 16 are fixedly connected to the outer side of the U-shaped baffle 13, and the two second gaskets 16 are in contact with the gas storage tank 4, a handle 15 is fixedly sleeved on the outer side of the cross pipe 14 and located on the front side of the gas storage tank 4, a sealing assembly 6 is arranged on the handle 15, and the sealing assembly 6 comprises a threaded cover 601, a third gasket 602 and a bolt 603.
[0031] Further, the outer side of the threaded cover 601 is threadedly connected with the gas storage tank 4, the front end of the third gasket 602 is fixedly connected with the threaded cover 601, and the rear end of the bolt 603 penetrates the threaded cover 601 and the bolt 603, and the outer side of the bolt 603 is threadedly connected with the threaded cover 601.
[0032] Further, a purification tank 7 is fixedly communicated on the rear side of the pneumatic gauge body 1, a filter screen 10 is fixedly embedded on the rear side of the purification tank 7, two activated carbon plates 11 are movably arranged in the purification tank 7, two limiting frames 12 are movably arranged on each of the two activated carbon plates 11, one side of the four limiting frames 12 is fixedly connected with the purification tank 7, a tank cover 9 is movably connected to the top of the purification tank 7 through a buckle, a first gasket 8 is movably sleeved on the tank cover 9, and the bottom end of the first gasket 8 is in contact with the purification tank 7.
[0033] The external gas enters the purification box 7 by passing through the filter screen 10, the filter screen 10 filters the sundries in the gas, the two activated carbon plates 11 can absorb the moisture in the gas, so as to ensure the accuracy of measurement, the processed gas enters the gas storage tank 4 through the air pipe 3, and a complete air duct is formed, the fixing between the box cover 9 and the purification box 7 is released by opening the buckle, the two activated carbon plates 11 are disassembled and replaced, and the two activated carbon plates 11 are installed in the same way, and the four limiting frames 12 can limit the deflection of the two activated carbon plates 11, the structure is simple, convenient to use, and the first gasket 8 can improve the sealing between the purification box 7 and the box cover 9.
[0034] Further, the bottom end of the pneumatic flowmeter body 1 is fixedly connected with a fixed plate 2, and the front side of the pneumatic flowmeter body 1 is fixedly installed with a numerical observation column 17 near the top edge position.
[0035] The use method of the embodiment is:
[0036] In use, the worker places the gas storage tank 4 on one side of the high-precision roller, starts the hair dryer in the pneumatic flowmeter body 1, the gas enters the gas storage tank 4 through the air pipe 3, and finally is discharged through two gas outlet pipes 5, the gas acts on the high-precision roller, because the diameters of the high-precision rollers are different, different air pressure changes are generated, the diameter of the high-precision roller can be nondestructively measured by observing the pressure of the gas outlet amount displayed by the numerical observation column 17, the bolt 603 is rotated and moves away from the handle 15, so that the fixing between the threaded cover 601 and the gas storage tank 4 is released, the threaded cover 601 is rotated and moves away from the gas storage tank 4, then the handle 15 is rotated to drive the cross pipe 14 to rotate, and then drive the U-shaped baffle 13 and the two second gaskets 16 to rotate, the two gas outlet pipes 5 are blocked by the U-shaped baffle 13 and the two second gaskets 16, and the wind can be discharged through the other two gas outlet pipes 5, when the threaded cover 601 is not installed, the wind is discharged through the front end of the cross pipe 14, the operation is simple, the position of the gas outlet can be conveniently adjusted, the application range is wide, and the threaded cover 601 is sealed to the cross pipe 14 in the same way, and the third gasket 602 can improve the sealing between the threaded cover 601 and the gas storage tank 4, and the bolt 603 can prevent the handle 15 from rotating.
[0037] The contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used, in the technical solution, the electric appliance control elements not mentioned belong to the prior art, so they are not shown in the drawings, and will not be described here.
[0038] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A non-destructive high-precision roll diameter pneumatic gauge, comprising a pneumatic gauge body (1) and an air pipe (3), and the rear end of the air pipe (3) is fixedly communicated with the pneumatic gauge body (1), characterized in that: The front end of the air pipe (3) is fixedly connected with a gas storage tank (4), four gas outlet pipes (5) are fixedly connected with the gas storage tank (4), a cross pipe (14) is movably connected with the front side of the gas storage tank (4) through a bearing, a U-shaped baffle (13) is fixedly connected with the rear side of the cross pipe (14), two second gaskets (16) are fixedly connected with the outer side of the U-shaped baffle (13) and are in contact with the gas storage tank (4), a handle (15) is fixedly sleeved with the outer side of the cross pipe (14) and located at the front side of the gas storage tank (4), a sealing assembly (6) is arranged on the handle (15), and the sealing assembly (6) comprises a threaded cover (601), a third gasket (602) and a bolt (603). 2. The non-destructive high-precision roll diameter pneumatic gauge according to claim 1, characterized in that: The outer side of the threaded cover (601) is threadedly connected with the gas storage tank (4), the front end of the third gasket (602) is fixedly connected with the threaded cover (601), and the rear end of the bolt (603) penetrates the threaded cover (601) and the bolt (603), and the outer side of the bolt (603) is threadedly connected with the threaded cover (601).
3. The non-destructive high-precision roll diameter pneumatic gauge according to claim 1, characterized in that: The rear side of the pneumatic flow meter body (1) is fixedly connected with a purification tank (7), and the rear side of the purification tank (7) is fixedly embedded with a filter screen (10).
4. The non-destructive high-precision roll diameter pneumatic gauge according to claim 3, characterized in that: Two active carbon plates (11) are movably arranged in the purification tank (7), two limiting frames (12) are movably arranged on each of the two active carbon plates (11), and one side of each of the four limiting frames (12) is fixedly connected with the purification tank (7).
5. The non-destructive high-precision roll diameter pneumatic gauge according to claim 3, characterized in that: A tank cover (9) is movably connected with the top of the purification tank (7) through a buckle, a first gasket (8) is movably sleeved with the tank cover (9), and the bottom end of the first gasket (8) is in contact with the purification tank (7).
6. The non-destructive high precision roll diameter pneumatic gauge according to claim 1, wherein: The bottom end of the pneumatic flow meter body (1) is fixedly connected with a fixed plate (2).
7. The non-destructive high precision roll diameter pneumatic gauge according to claim 1, wherein: A numerical observation column (17) is fixedly installed on the front side of the pneumatic flow meter body (1) near the top edge position.
Citation Information
Patent Citations
Device for detecting arc diameter by using pneumatic gauge
CN222419124U