CN201540070U - Repairing tool with measurement diameter larger than 300mm micrometer - Google Patents
Repairing tool with measurement diameter larger than 300mm micrometer Download PDFInfo
- Publication number
- CN201540070U CN201540070U CN2009200764630U CN200920076463U CN201540070U CN 201540070 U CN201540070 U CN 201540070U CN 2009200764630 U CN2009200764630 U CN 2009200764630U CN 200920076463 U CN200920076463 U CN 200920076463U CN 201540070 U CN201540070 U CN 201540070U
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- datum
- micrometer
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- 238000005259 measurement Methods 0.000 title abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 210000000887 face Anatomy 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a repairing tool with a measurement diameter larger than 300mm micrometer. The structure of the repairing tool mainly includes a bottom plate, a movable datum, an adjustable datum and an abrasive block; inverted T-shaped grooves are arranged on the bottom plate; the bottom portion of the movable datum and the bottom portion of the adjustable datum are embedded into the T-shaped grooves; the movable datum comprises an angle rule datum, an adjusting bolt support, a first fastening bolt and an adjusting screw nail; a locking groove is arranged on the rear portion of the angle rule datum; and an annular groove penetrating through the front end of the adjusting screw nail of the adjusting bolt support is clamped into the locking groove. The adjustable datum comprises a supporting frame, a left adjusting screw nail, a right adjusting screw nail, a second fastening bolt, a base, an upper adjusting screw nail, a lower adjusting screw nail, a third fastening bolt and calipers; a locking groove for containing a micrometer measurement angle is arranged on the upper portion of the supporting frame; the calipers are clamped onto the supporting frame in C shape; and the screw nails aligned to the locking groove penetrate through the middle portion of the calipers. The repairing tool enables the micrometer measurement angle to be repaired rapidly and efficiently, and has high precision.
Description
Technical Field
The utility model relates to a measuring tool especially involves a micrometer that measures the diameter and is greater than 300mm and damages the back at its angulation, carries out prosthetic instrument to the angulation.
Background
The micrometer is a precision measuring instrument commonly used in the mechanical equipment industry, is widely applied to the detection of the size of a machined part, is a necessary tool for operators and is called as 'eyes'. For large equipment manufacturing industry, particularly marine diesel engine manufacturing enterprises, the produced diesel engines are large in cylinder diameter. Therefore, the types and the number of the micrometers which are applied to the diameter of more than 300mm are particularly large, and the use frequency is also particularly high.
Because the micrometer is frequently used, two working faces of the micrometer are easy to wear, the flatness of the working faces and the parallelism of the two working faces are out of tolerance, the precision of the micrometer is reduced, and the measurement precision is influenced. If the measuring angle is bought again or a new micrometer is bought, the waste is serious, and the cost is increased. Repairing the worn angle becomes the core to solve this problem.
The repairing tool for the working surface of the micrometer is as follows: 4 grinding rods with the diameter of 30mm and the size interval of 0.12mm, the nominal size of the grinding rods is close to the upper limit of a micrometer, and the material is nodular cast iron. Since the specification of the micrometer is 25mm grade, 4 grinding rods are needed for each specification of micrometer.
The work surface of the micrometer is repaired manually, the micrometer grinding rod below 100mm is best controlled, but once the diameter exceeds 100mm, the grinding rod is difficult to control during operation. The content of the patent is derived when the micrometer of more than 300mm is nominally 100mm grade, but the micrometer head is 25mm, so that one micrometer has 4 replaceable measuring feet, and the working surface of the measuring feet needs to be repaired.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, provide a device of repairing micrometer that measures the diameter and be greater than 300 mm. Utilize the utility model discloses a device can be restoreed the interchangeable angulometer of micrometer for the working face of the interchangeable angulometer of micrometer levels as new, and the size specification accords with the required precision, reduces the maintenance cost of micrometer simultaneously.
In order to achieve the purpose of the invention, the technical scheme of the utility model is as follows:
a repair tool for measuring a micrometer with a diameter larger than 300mm is characterized in that the repair tool mainly comprises a bottom plate, a movable datum, an adjustable datum and a grinding block; the bottom plate is provided with an inverted T-shaped groove, and the bottom of the movable datum (2) and the bottom of the adjustable datum are both inverted T-shaped and are embedded into the inverted T-shaped groove; the movable datum consists of an angle square datum, an adjusting bolt support, a first fastening bolt and an adjusting screw, wherein a clamping groove is formed in the rear part of the angle square datum, and an annular groove penetrating through the front end of the adjusting screw of the adjusting bolt support is clamped in the clamping groove; the adjustable datum comprises a supporting frame, a left adjusting screw, a right adjusting screw, a second fastening bolt, a base, an upper adjusting screw, a lower adjusting screw, a third fastening bolt and calipers, wherein a clamping groove for accommodating a measuring angle of a micrometer is formed in the upper portion of the supporting frame, the calipers are clamped on the supporting frame in a C-shaped mode, and screws aligning to the clamping groove penetrate through the middle of the calipers.
The grinding block comprises an adjusting block, a rough grinding block and a fine grinding block which have the same shape and size.
The vertical surface on the movable datum is provided with meshed intaglio patterns, the surface of the grinding block, which is in contact with the vertical surface, is also provided with the intaglio meshed patterns, and the surface is opposite to the grinding surface.
The grinding block is square, and two handles are respectively arranged on two sides of the grinding block.
Based on the above prior art scheme, the utility model discloses a technical advantage as follows:
1. the utility model discloses set up and constitute the workstation by base, portable benchmark and adjustable benchmark to utilize the grinding piece to restore the angulation of micrometer, make the working face of angulation accord with the required precision through grinding, this shortcoming that the manual grinding brought inefficiency, precision were difficult to control before just having overcome, especially have the advantage that repair precision control is good to the micrometer that measures the diameter and be greater than 300 mm.
2. In order to reach the purpose that the restoration precision is high, the utility model discloses a three the same grinding block of shape size, three are adjusting block, coarse grinding piece and correct grinding piece respectively, according to the process of the preceding coarse grinding back correct grinding, have obtained high-efficient restoration and accurate prosthetic effect.
Drawings
FIG. 1 is a schematic structural view of the repairing tool of the present invention, which is used for measuring the diameter of the micrometer, which is larger than 300mm, and is not provided with the grinding block.
Fig. 2 is the utility model relates to a measure diameter and be greater than the structural schematic diagram of portable benchmark on 300mm micrometer's the repair tools.
Fig. 3 is a schematic structural diagram of an adjustable datum on a repair tool of the utility model, which is used for measuring the diameter of a micrometer with the diameter larger than 300 mm.
Figure 4 is the utility model discloses a measure diameter and be greater than the schematic diagram of the last grinding block of repair tools of 300mm micrometer.
Fig. 5 is a schematic structural view of the utility model when the grinding block is placed on the micrometer with the measurement diameter larger than 300mm for grinding.
Wherein,
1-bottom plate 2-movable datum 3-adjustable datum 4-grinding block 5-caliper 6-angle to be repaired 21-angle square datum 22-adjusting bolt support 23-first fastening bolt 24-adjusting bolt 31-support frame 32-left and right adjusting bolt 33-second fastening bolt 34-base 35-up and down adjusting bolt 36-third fastening bolt
Detailed Description
The repairing tool for micrometer with measuring diameter larger than 300mm according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the protection scope of the present invention should not be limited thereby.
The utility model relates to a measure repair tools's that diameter is greater than 300mm micrometer major structure as shown in figure 1, figure 1 is the utility model relates to a measure repair tools's that diameter is greater than 300mm micrometer overall structure schematic diagram. As can be seen, the structure of the repair tool for measuring the micrometer with the diameter larger than 300mm mainly comprises a bottom plate 1, a movable datum 2, an adjustable datum 3 and a grinding block 4. The bottom plate 1 is provided with an inverted T-shaped groove, and the bottom of the movable datum 2 and the bottom of the adjustable datum 3 are inverted T-shaped structures corresponding to the groove, so that the adjustable datum 3 and the movable datum 2 are embedded into the inverted T-shaped groove. The adjustable reference 3 and the movable reference 2 can slide back and forth along the groove on the base plate 1 and the distance between the adjustable reference 3 and the movable reference 2 can be controlled by positioning. The base plate 1 functions as a base for the fixed adjustable datum 3 and the movable datum 2; the movable datum 2 is used for adjusting the feeding amount during grinding; the function of the adjustable datum 3 is to adjust the repaired working surface of the micrometer measuring angle to be parallel to the movable datum 2.
The structure of movable benchmark 2 has the schematic presentation of fig. 2, and fig. 2 is the utility model relates to a measure the diameter and be greater than the structural schematic diagram of movable benchmark on 300mm micrometer's the repair tools. As can be seen, the movable datum 2 consists of a square datum 21, an adjusting bolt bracket 22, a first fastening bolt 23 and an adjusting screw 24. The rear part of the square reference 21 is provided with a clamping groove, and an annular groove which penetrates through the front end of an adjusting screw 24 of the adjusting bolt support 22 is clamped in the clamping groove.
The structure of adjustable benchmark 3 is given by the schematic of fig. 3, and fig. 3 is the utility model relates to a measure the structural schematic of adjustable benchmark on the repair tools of diameter greater than 300mm micrometer. As can be seen, the adjustable reference 3 is composed of a support frame 31, a left-right adjusting screw 32, a second fastening bolt 33, a base 34, an up-down adjusting screw 35, a third fastening bolt 36 and the caliper 5. The part of supporting rack 31 is equipped with the draw-in groove that holds micrometer measurement angle, calliper 5 be C shape card in supporting rack 31 on, calliper 5 middle part is worn to be equipped with and is aimed at the screw of draw-in groove. After the angle of micrometer is placed in the draw-in groove, through twisting the screw on calliper 5 for the front end of screw pushes up in the middle part of angle of measurement and realizes interim fixed. The front end of the protractor extends beyond the adjustable datum 3 so that the working surface to be repaired is exposed at the front of the adjustable datum 3 to contact the abrasive block 4.
The grinding block 4 comprises three types of adjusting blocks, coarse grinding blocks and fine grinding blocks with the same shape and size, so that the steps from coarse grinding to fine grinding are realized. The structure of the grinding block 4 is as shown in fig. 4, fig. 4 is a schematic diagram of the grinding block on the repairing tool with the measurement diameter larger than 300mm micrometer of the utility model. In order to facilitate the holding of the grinding block 4 during grinding, the grinding block 4 is made into a square shape, and two handles are respectively arranged on two sides of the grinding block. The vertical surface of the movable datum 2 is provided with a meshed intaglio pattern, and the surface of the grinding block 4, which is in contact with the vertical surface, is also provided with an intaglio meshed pattern, and the surface is opposite to the grinding surface.
Utilize the utility model discloses carry out prosthetic process as follows to the angle of measurement that the diameter is greater than 300mm micrometer:
before formal repair of the measuring pin of the micrometer, the measuring angle is clamped on the supporting frame 31 of the adjustable datum 3 and is fixed by the caliper 5, so that the measuring angle part to be repaired extends out of the front of the adjustable datum 3. And then adjusted by the adjusting block through the adjustable screw of the adjustable datum 3. When the adjustment is started, the left indentation on the adjusting block is the smallest, and the indentation is gradually enlarged through adjustment until the adjustment is completed, so that the adjustment is successful. Then the reuse corase grind the piece to waiting to repair the foot and grind, wait that the defect is whole to be ground, the reuse finish grind piece carries out the finishing, and its implementation process is shown in figure 5, and figure 5 is the utility model relates to a measure diameter and be greater than 300mm micrometer and place grinding block back and grind the schematic structure drawing man-hour in.
When a micrometer with the diameter larger than 300mm is repaired, the 4 replaceable measuring pins and the micrometer head are adjusted according to the method and then the working surface is repaired, and the sizes of the 4 replaceable measuring pins are adjusted to be within the range allowed by the verification regulations through the adjusting device behind the measuring pins.
The utility model discloses a > 300mm micrometer repair tools is rational in infrastructure and fairly practical again because no matter how big the specification of micrometer has, all constitute by 4 interchangeable measuring feet and micrometer head. The most likely problem with a micrometer is that the working surface is rusted or worn, so the repair work of the micrometer is primarily to grind the working surface. Once the working surface meets the requirements, the dimensional accuracy of the working surface is calibrated according to the calibration measuring rod.
The repair tool is always calibrated according to the original working surface, so that the parallelism of the micrometer always does not exceed the original precision requirement. If the parallelism of one 1 changeable measuring pin is found to be in problem during verification, the measuring pin can be deliberately adjusted to a semi-circle (or small semi-circle) state instead of being adjusted to a full-circle state during adjustment so as to eliminate the parallelism error.
Claims (4)
1. A repair tool for measuring a micrometer with a diameter larger than 300mm is characterized in that the repair tool mainly comprises a bottom plate (1), a movable datum (2), an adjustable datum (3) and a grinding block (4); the bottom plate (1) is provided with an inverted T-shaped groove, and the bottom of the movable datum (2) and the bottom of the adjustable datum (3) are both inverted T-shaped to be embedded into the inverted T-shaped groove; the movable datum (2) consists of an angle square datum (21), an adjusting bolt support (22), a first fastening bolt (23) and an adjusting screw (24), a clamping groove is formed in the rear portion of the angle square datum (21), and an annular groove penetrating through the front end of the adjusting screw (24) of the adjusting bolt support (22) is clamped in the clamping groove; adjustable benchmark (3) constitute by supporting rack (31), left and right adjusting screw (32), second fastening bolt (33), base (34), upper and lower adjusting screw (35), third fastening bolt (36) and calliper (5), supporting rack (31) upper portion is equipped with the draw-in groove that holds micrometer angulation, calliper (5) be C shape card locate supporting rack (31) on, calliper (5) middle part is worn to be equipped with and is aimed at the screw of draw-in groove.
2. The repair tool for micrometer gauge measuring diameters according to claim 1, characterized in that the grinding block (4) comprises a regulating block, a rough grinding block and a fine grinding block with the same shape and size.
3. A repair tool for micrometer gauge measuring diameters greater than 300mm according to claim 1, characterized in that the elevation of the movable reference (2) is provided with a net-like intaglio pattern, and the surface of the grinding block (4) in contact with the elevation is also provided with an intaglio net-like pattern, which is opposite to the grinding surface.
4. A repair tool for micrometer with measuring diameter larger than 300mm according to claim 3, wherein the grinding block (4) is square and has a handle on each side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200764630U CN201540070U (en) | 2009-06-17 | 2009-06-17 | Repairing tool with measurement diameter larger than 300mm micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200764630U CN201540070U (en) | 2009-06-17 | 2009-06-17 | Repairing tool with measurement diameter larger than 300mm micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540070U true CN201540070U (en) | 2010-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200764630U Expired - Lifetime CN201540070U (en) | 2009-06-17 | 2009-06-17 | Repairing tool with measurement diameter larger than 300mm micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201540070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390033A (en) * | 2011-08-03 | 2012-03-28 | 上海电气核电设备有限公司 | Inspection device capable of debugging planeness and parallelism of wide-range outside micrometer |
| CN109702640A (en) * | 2018-12-27 | 2019-05-03 | 二重（德阳）重型装备有限公司 | Large scale outside micrometer collimation milling tool |
-
2009
- 2009-06-17 CN CN2009200764630U patent/CN201540070U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390033A (en) * | 2011-08-03 | 2012-03-28 | 上海电气核电设备有限公司 | Inspection device capable of debugging planeness and parallelism of wide-range outside micrometer |
| CN109702640A (en) * | 2018-12-27 | 2019-05-03 | 二重（德阳）重型装备有限公司 | Large scale outside micrometer collimation milling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |
|
| CX01 | Expiry of patent term |