CN210718935U - Height difference measuring device with checking function - Google Patents
Height difference measuring device with checking function Download PDFInfo
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- CN210718935U CN210718935U CN201921686602.1U CN201921686602U CN210718935U CN 210718935 U CN210718935 U CN 210718935U CN 201921686602 U CN201921686602 U CN 201921686602U CN 210718935 U CN210718935 U CN 210718935U
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Abstract
The utility model relates to a difference in height measuring device with proofreading function for measure the difference in height between first face and the second face, constitute by measuring device, positioner and proofreading device, but measuring device relative movement installs positioner is last, positioner has locating surface and first face full contact, measuring device has measuring surface and second face full contact, install the measuring tool on the measuring surface, the measuring tool detects and shows the difference in height, proofreading device independent setting and has the calibration face, the locating surface with measure the face with the zero point of calibration face full contact with the calibration measuring tool. The utility model has the advantages of simple overall structure, only need with the locating surface with measure the face and the first face and the second face of awaiting measuring contact completely, directly read out the difference in height through the measuring tool promptly, convenient to use has improved detection efficiency and detection precision.
Description
Technical Field
The utility model belongs to the technical field of measure the utensil, in particular to difference in height measuring device with school is to function.
Background
The upper plane of the hub on the inner side face of the bullet train wheel and the rim surface have size requirements, and the radial distance difference between the hub plane and the rim plane is large, so that a special measuring tool is not used for measuring, only indirect measurement can be adopted, but the method has the defect of large measurement error. There is also a method using three-coordinate measurement, but this method has the disadvantages of inconvenient use and low detection efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a simple structure, convenient to use, and detects the difference in height measuring device that has the school function that the precision is high.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a height difference measuring device with a calibration function is used for measuring the height difference between a first surface and a second surface and comprises a measuring device, a positioning device and a calibration device, wherein the measuring device can be installed on the positioning device in a relatively movable mode, the positioning device is provided with a positioning surface which is in full contact with the first surface, the measuring device is provided with a measuring surface which is in full contact with the second surface, a measuring tool is installed on the measuring surface, the measuring tool detects and displays the height difference, the calibration device is independently arranged and is provided with a calibration surface, and the positioning surface and the measuring surface are in full contact with the calibration surface to calibrate the zero point of the measuring tool.
Furthermore, the measuring tool is a measuring scale, a digital display meter and vernier scales are arranged on the measuring scale, the measuring surface is arranged at the bottom of the measuring scale, the measuring scale is movably arranged on the positioning device, and the vernier scales correspond to the zero point of the digital display meter.
Further, the positioning device comprises a positioning frame, the center of the positioning frame is provided with a concave part, the measuring device is installed at the concave part, and the positioning surfaces are arranged on two sides of the positioning frame.
Furthermore, the positioning frame is of a disc-shaped structure or a straight-line-shaped structure, and the bottom surfaces of the two sides of the positioning frame are the positioning surfaces.
Furthermore, a plurality of lightening holes are arranged on the positioning frame.
Further, the measuring device comprises a measuring plate, the measuring plate is of a flat plate structure or a straight structure, the measuring tool is installed at the center of the measuring plate, and the bottom surface of the measuring plate is the measuring surface.
Further, the calibration device is a calibration plate, the calibration plate is of a disc-shaped structure, two annular bulges are arranged on the calibration plate, and the upper surfaces of the two annular bulges are calibration surfaces on the same horizontal plane; or the calibration plate is of a straight-line structure, four bulges are arranged on the calibration plate, and the upper surfaces of the bulges are calibration surfaces on the same horizontal plane.
Furthermore, the second surface is provided with a central hole, the measuring device is provided with a limiting boss matched with the central hole in size, and the limiting boss is clamped in the central hole to realize limiting.
Further, the first surface is a rim surface of the wheel, and the second surface is a hub surface of the wheel.
To sum up, the utility model provides a pair of difference in height measuring device with school function compares with prior art, has following advantage:
(1) the device overall structure is simple, only needs to contact locating surface and measuring face with the first face and the second face that await measuring completely, directly reads out the difference in height through the measuring tool promptly, and convenient to use has improved detection efficiency and detection precision, and measuring time reducible 60%.
(2) The measuring tool of the device has two display modes of vernier scales and a digital display meter, and the measured values of the two display modes can be compared, so that the error prevention function is effectively realized, and the reliability of the device is improved.
(3) The device is provided with the calibrating device, the positioning surface and the measuring surface are calibrated by the calibrating device on the same zero point of the same horizontal plane, and the relative zero point is arranged, so that the detection efficiency and the detection precision are further improved, and the device is very convenient to use.
(4) The device can satisfy the difference in height measurement of various sizes EMUs wheel hub and rim, and the commonality is strong.
Drawings
FIG. 1 is a schematic view of the present invention in a measuring structure;
fig. 2 is a schematic structural diagram for calibration of the present invention.
As shown in fig. 1 and 2, the rim surface 1, the hub surface 2, the measuring device 3, the positioning device 4, the positioning frame 4a, the concave portion 4b, the lightening hole 4c, the calibrating device 5, the positioning surface 6, the measuring surface 7, the calibrating surface 8, the measuring scale 9, the digital display meter 10, the vernier scale 11, the protrusion 12 and the limit boss 13.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and fig. 2, the height difference measuring device with a calibration function provided in this embodiment is used for measuring a height difference between a first surface and a second surface, and is used for detecting a distance between an upper plane of a hub on an inner side surface of a wheel of a motor train unit and a rim surface, where the first surface is the rim surface 1 of the wheel, and the second surface is the hub surface 2 of the wheel.
The device comprises measuring device 3, positioner 4 and calibration device 5, and measuring device 3 can move relatively and install on positioner 4, has locating surface 6 on positioner 4 and the complete contact of rim face 1, and measuring device 3 has measuring face 7 and the complete contact of wheel hub face 2, installs the measuring tool on measuring face 7, and the measuring tool detects and shows the difference in height. The calibration device 5 is provided separately and has a calibration surface 8, the positioning surface 6 and the measuring surface 7 being in full contact with the calibration surface 8 for calibrating the zero point of the measuring standard.
Specifically, the positioning device 4 includes a positioning frame 4a, the positioning frame 4a has a concave portion 4b in the center thereof, and the measuring device 3 is mounted at the concave portion 4 b. The positioning frame 4a can adopt a disc-shaped structure matched with the shape of the rim surface 1, and can also adopt a simple I-shaped structure, and the bottom surface of the periphery of the positioning frame 4a surrounding the concave part 4b or the bottom surfaces of two sides is the positioning surface 6. A plurality of lightening holes 4c are formed in the positioning frame 4a, so that the total weight of the device is reduced, and the device is convenient to use.
The measuring device 3 comprises a measuring plate 3a, the measuring plate 3a can adopt a flat plate structure or a linear structure corresponding to a positioning frame 4a (disc-shaped structure), the measuring tool is arranged at the center of the measuring plate 3a, and the bottom surface of the measuring plate 3a is a measuring surface 7.
In this embodiment, the measuring tool is a measuring ruler 9, the measuring ruler 9 is installed at the center of the measuring plate 3a, a through hole is formed at the center of the positioning frame 4a, and the upper half part of the measuring ruler 9 penetrates through the through hole and is movably installed on the positioning frame 4 a. The measuring scale 9 is provided with a vernier scale 11, and is also provided with a digital display meter 10, and the zero point setting of the measuring scale 9 and the zero point setting of the digital display meter 10 correspond. When the device is detected, the numerical values displayed by the two display modes can be compared, so that a relative zero point setting error is prevented, an error prevention function is effectively realized, and the reliability of the device is improved.
The calibration device 5 is a calibration plate 5a, the calibration plate 5a adopts a flat structure or a line-shaped structure corresponding to the positioning frame 4a and the measurement plate 3a, two annular protrusions (not marked in the figure) are arranged on the calibration plate 5a of the flat structure, or four line-shaped protrusions 12 are arranged on the calibration plate 5a of the line-shaped structure, the upper surfaces of the four protrusions 12 are calibration surfaces 8 on the same horizontal plane, so that the positioning surface 6 and the measurement surface 7 are calibrated on the same horizontal plane, and after the calibration is completed, the six-key vertical digital display meter 10 is operated to set a relative zero point.
The measuring device 3 is provided with a limit boss 13 matched with the size of a hub hole of a wheel, the size of the hub hole (not shown in the figure) of the limit boss 13 is matched, and the limit boss is clamped in the hub hole to realize limit when in use. The limiting boss 13 is an annular conical table or a plurality of discontinuous conical tables, so that the device can quickly realize measurement center positioning and accurately find the center position.
During the measurement, place the device on the side of wheel, with locating surface 6 and the complete horizontal contact of rim face 1 of locating rack 4a bottom, manually lift up dipperstick 9 and then slowly put down, let the complete horizontal contact of measuring face 7 hub face 2 of dipperstick 9 bottom, utilize spacing boss 13 card to realize central location in the wheel hub hole at center, this moment, directly read out the distance numerical value between rim face 1 and 7 hub face 2 on vernier scale 11 and the digital display table 10 on the dipperstick 9, the numerical value of two kinds of display modes demonstration can be compared, the relative zero point of prevention sets up the mistake, effectively play the mistake proofing function.
The device has simple integral structure, only needs to completely contact the positioning surface 6 and the measuring surface 7 with the rim surface 1 and the hub surface 2 to be measured, namely, directly reads out the height difference value through the measuring tool, is convenient to use, improves the detection efficiency and the detection precision, and can reduce the measurement time by 60 percent. The device is provided with a calibration device, the positioning surface 6 and the measuring surface 7 are calibrated on the same zero point of the same horizontal plane by using the calibration device, and a relative zero point is arranged, so that the detection efficiency and the detection precision are further improved, and the device is very convenient to use. The device can satisfy the difference in height measurement of various sizes EMUs wheel hub and rim, and the commonality is strong.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (9)
1. A height difference measuring device with a calibration function for measuring a height difference between a first surface and a second surface, characterized in that: the measuring device is installed on the positioning device in a relatively movable mode, the positioning device is provided with a positioning surface which is in complete contact with a first surface, the measuring device is provided with a measuring surface which is in complete contact with a second surface, a measuring tool is installed on the measuring surface, the measuring tool detects and displays height difference, the calibrating device is independently arranged and is provided with a calibrating surface, and the positioning surface and the measuring surface are in complete contact with the calibrating surface to calibrate the zero point of the measuring tool.
2. A height difference measuring device having a function of calibration as set forth in claim 1, wherein: the measuring tool is a measuring scale, a digital display meter and vernier scales are arranged on the measuring scale, the measuring surface is arranged at the bottom of the measuring scale, the measuring scale is movably arranged on the positioning device, and the vernier scales correspond to the zero point of the digital display meter.
3. A height difference measuring device having a function of calibration as set forth in claim 1, wherein: the positioning device comprises a positioning frame, the center of the positioning frame is provided with a concave part, the measuring device is arranged at the concave part, and the positioning surfaces are arranged on two sides of the positioning frame.
4. A height difference measuring device having a function of calibration as set forth in claim 3, wherein: the positioning frame is of a disc-shaped structure or a straight-line-shaped structure, and the bottom surfaces of two sides of the positioning frame are the positioning surfaces.
5. A height difference measuring device having a function of calibration as set forth in claim 3, wherein: and a plurality of lightening holes are formed in the positioning frame.
6. A height difference measuring device having a function of calibration as set forth in claim 3, wherein: the measuring device comprises a measuring plate, the measuring plate is of a flat-plate structure or a straight-line structure, the measuring tool is installed at the center of the measuring plate, and the bottom surface of the measuring plate is the measuring surface.
7. A height difference measuring device having a function of calibration as set forth in claim 3, wherein: the calibration device is a calibration plate, the calibration plate is of a disc-shaped structure, two annular bulges are arranged on the calibration plate, and the upper surfaces of the two annular bulges are calibration surfaces on the same horizontal plane; or the calibration plate is of a straight-line structure, four bulges are arranged on the calibration plate, and the upper surfaces of the bulges are calibration surfaces on the same horizontal plane.
8. A height difference measuring device having a function of calibration as set forth in claim 1, wherein: the second surface is provided with a central hole, the measuring device is provided with a limiting boss matched with the central hole in size, and the limiting boss is clamped in the central hole to realize limiting.
9. A height difference measuring device with a function of calibration as set forth in any one of claims 1 to 8 wherein said first surface is a rim surface of a wheel and said second surface is a hub surface of the wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686602.1U CN210718935U (en) | 2019-10-10 | 2019-10-10 | Height difference measuring device with checking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686602.1U CN210718935U (en) | 2019-10-10 | 2019-10-10 | Height difference measuring device with checking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718935U true CN210718935U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921686602.1U Active CN210718935U (en) | 2019-10-10 | 2019-10-10 | Height difference measuring device with checking function |
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| Country | Link |
|---|---|
| CN (1) | CN210718935U (en) |
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2019
- 2019-10-10 CN CN201921686602.1U patent/CN210718935U/en active Active
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