CN202885750U - Tool for measuring perpendicularity of end face to axis of blind hole - Google Patents
Tool for measuring perpendicularity of end face to axis of blind hole Download PDFInfo
- Publication number
- CN202885750U CN202885750U CN 201220429688 CN201220429688U CN202885750U CN 202885750 U CN202885750 U CN 202885750U CN 201220429688 CN201220429688 CN 201220429688 CN 201220429688 U CN201220429688 U CN 201220429688U CN 202885750 U CN202885750 U CN 202885750U
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- China
- Prior art keywords
- expanding mandrel
- blind hole
- axis
- face
- dial gauge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a tool for measuring the perpendicularity of an end face to the axis of a blind hole. According to the utility model, an expanding mandrel can move in all directions in a hole according to the requirements of the measurement; a lower plane perpendicular to the axis of the expanding mandrel abuts against a steel ball which is a measurement reference point at the bottom of the blind hole, the expanding mandrel contacts with an inner wall of the blind hole by a movable expanding bead, and the axis of the blind hole is simulated by the expanding mandrel; the effective length that the expanding mandrel inserted into the blind hole is L1, and the distance from the axis of the expanding mandrel to the axis of a measurement rod of a dial indicator is L2; a probe of the dial indicator mounted at a left end of a large plane of a transverse slat abuts against an end face of the blind hole; and the expanding mandrel is rotated for a round and drives the dial indicator on the large plane of the transverse slat to measure the perpendicularity error of the end face to the axis of the blind hole. The tool provided by the utility model can carries out the measurement with convenience, high speed and accuracy, ensuring the quality of products.
Description
Technical field
The utility model relates to a kind of machine parts measurement utensil, especially end face to blind hole axis verticality measurer.
Background technology
At present, some mechanical component are provided with end face and perpendicular to the blind hole axis, end face directly affects the usability of mechanical component on blind hole axis verticality error size.Measuring junction is in the face of blind hole axis verticality error, be with flat board, axle, fixing and adjustable support, with the measurement bay of indicator etc., and measuring process is complicated and difficult, and is just more difficult for the large part that is difficult to move.
Summary of the invention
The utility model provides a kind of end face to blind hole axis verticality measurer, expanding mandrel carries out all directions according to the needs of measuring and slides in blind hole, expanding mandrel simulation blind hole axis, to the end face of mechanical component to blind hole axis verticality error can be easy, fast, measure accurately.
The technical scheme that its technical matters that solves the utility model adopts is: end face is comprised of blind hole bottom apex point nest, steel ball, swollen pearl, blind hole, expanding mandrel, transverse slat, fastening bolt, expanding mandrel mounting hole, holding screw, dial gauge mounting hole, opening sleeve, dial gauge, cylinder head, swollen pearl mounting hole, Compress Spring, end face, gauge head, measuring staff blind hole axis verticality measurer.In the degree of depth of significant depth, laterally be three swollen pearl mounting holes that equilateral triangle distributes in expanding mandrel inserts blind hole, the Compress Spring of packing in each swollen hole of bead, swollen pearl carry out reducing with the reducing instrument to the micropylar opening that expands after being pressed into swollen pearl; The swollen pearl of three rows that vertically is evenly distributed, the height that each swollen pearl exceeds the expanding mandrel cylindrical is consistent, and expansive force is even; Expanding mandrel is by the swollen pearl contact blind hole inwall that slides, expanding mandrel simulation blind hole axis, expanding mandrel lower end insert make in the blind hole expanding mandrel axis perpendicular to transverse plane under the expanding mandrel and expanding mandrel lower end planar top on the steel ball in the apex point nest of blind hole bottom with datum mark; Expanding mandrel mounting hole axis is perpendicular to large plane under the transverse slat, and the expanding mandrel upper end is inserted in the expanding mandrel mounting hole on the large plane of transverse slat and tightened fastening bolt; Dial gauge mounting hole axis is perpendicular to large plane under the transverse slat, and the dial gauge measuring staff inserts in transverse slat large plane left end and the dial gauge mounting hole with opening sleeve, makes the dial gauge gauge head refer to tightening holding screw on the end face and after leaving the compression surplus; Rotate the end face of the dial gauge measurement on the large plane of expanding mandrel band motion plate to blind hole axis verticality error.
The quenching hardness of steel ball and swollen pearl is: HRC56-62.
The beneficial effects of the utility model are, end face is light to blind hole axis verticality measurer, can be easy, fast, measure accurately, guaranteed product quality.This measurer is simple in structure easily manufactured.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing is that end face is to the measurement structural drawing of blind hole axis verticality measurer.
Fig. 1 is subjective figure.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 1.
Among the figure 1, blind hole bottom apex point nest, 2, steel ball, 3, transverse plane under the expanding mandrel, 4, swollen pearl, 5, blind hole, 6, expanding mandrel, 7, transverse slat, 8, fastening bolt, 9, the expanding mandrel mounting hole, 10, holding screw, 11, dial gauge mounting hole, 12, opening sleeve, 13, dial gauge, 14, cylinder head, 15, swollen pearl mounting hole, 16, Compress Spring, 17, swollen pearl mounting hole reducing, 18, end face, 19, gauge head, 20, measuring staff, L1, expanding mandrel insert significant depth in the blind hole, and L2, expanding mandrel axis are to dial gauge measuring staff axial line distance.
Embodiment
Accompanying drawing is that workpiece 16V240 cylinder cover for diesel engine upper face guide pillar mounting hole end face is to the measurement structural drawing of blind hole axis verticality measurer.See accompanying drawing 1,2,3, the expanding mandrel of diameter of phi 22-0.17 millimeter (6) upper end is inserted in the large plane right-hand member internal diameter Φ 22-0.15 millimeter expanding mandrel mounting hole (9) of transverse slat (7) and is tightened fastening bolt (8), and expanding mandrel mounting hole (9) axis is perpendicular to the lower large plane of transverse slat (7); Be inserted in expanding mandrel (6) lower end of diameter of phi 22-0.17 millimeter that significant depth L1 equals in 30.00 millimeters scopes in 22.00 millimeters blind holes of internal diameter Φ (5), laterally be 4.50 millimeters swollen pearl mounting holes of three internal diameter Φ (15) that equilateral triangle distributes, the 3 row 4.00 millimeters swollen pearls of Φ (4) that vertically in L1 equals 30.00 millimeters scopes, are evenly distributed; 3.00 millimeters Compress Springs of diameter of phi (16) are installed in 4.50 millimeters swollen pearl mounting holes of internal diameter Φ (15), reinstall behind 4.00 millimeters swollen pearls of diameter of phi (4) and with the reducing instrument to 4.50 millimeters swollen pearl mounting holes of internal diameter Φ (15) pearl mounting hole reducing (17) of mouthful expanding, make 4.00 millimeters swollen pearls of each diameter of phi (4) exceed 0.30 millimeter of the height of expanding mandrel (6) cylindrical of diameter of phi 22-0.17 millimeter, expansive force is even, upper 4.00 millimeters swollen pearls of diameter of phi (4) contact internal diameter 22.00 millimeters blind holes of Φ (5) inwall by sliding of the expanding mandrel of diameter of phi 22-0.17 millimeter (6), expanding mandrel (6) is simulated 22.00 millimeters blind holes of internal diameter Φ (5) axis in 22.00 millimeters blind holes of internal diameter Φ (5); Insert in internal diameter 22.00 millimeters blind holes of Φ (5) expanding mandrel of diameter of phi 22-0.17 millimeter (6) lower end, diameter of phi 22-0.17 millimeter expanding mandrel axis withstands on 12.00 millimeters steel balls of diameter of phi in 22.00 millimeters blind holes of Φ (5) bottoms apex point nests (1) into datum mark perpendicular to transverse plane (3) under transverse plane under the expanding mandrel (3) and the diameter of phi 22-0.17 millimeter expanding mandrel, measuring staff (20) inserts in the large dial gauge mounting hole (11) of plane left end with opening sleeve (12) of transverse slat (7), dial gauge mounting hole (11) axis is perpendicular to the lower large plane of transverse slat (7), gauge head (19) is tightened holding screw (10) after pointing to end face (18) upward and leaving 0.5 millimeter compression surplus, the index dial zero-bit is gone on the pointer of dial gauge (13), the expanding mandrel of diameter of phi 22-0.17 millimeter (6) axis to measuring staff (20) axial line distance is that L2 equals 30.00 millimeters; Rotating the expanding mandrel (6) of diameter of phi 22-0.17 millimeter is with the end face (18) of dial gauge (13) measurement of left end on the large plane of motion plate (7) to 22.00 millimeters blind holes of internal diameter Φ (5) axis verticality error, dial gauge in the measurement (13) shows that full-scale reading (a) is 0.26 millimeter, least count (b) is 0.20 millimeter, cylinder head (14) upper face end face (18) to guide pillar mounting hole internal diameter 22.00 millimeters blind holes of Φ (5) axis verticality error=L1/L2|a-b|=30/30 * | 0.26-0.20|=1 * 0.06=0.06 (millimeter).
The quenching hardness of steel ball and swollen pearl is: HRC56-62.
Claims (2)
1. an end face is to blind hole axis verticality measurer, by blind hole bottom apex point nest, steel ball, swollen pearl, blind hole, expanding mandrel, transverse slat, fastening bolt, the expanding mandrel mounting hole, holding screw, the dial gauge mounting hole, opening sleeve, dial gauge, cylinder head, swollen pearl mounting hole, Compress Spring, end face, gauge head, measuring staff forms, it is characterized in that: in expanding mandrel inserts blind hole in the degree of depth of significant depth, laterally be three swollen pearl mounting holes that equilateral triangle distributes, the Compress Spring of packing in each swollen hole of bead, swollen pearl carries out reducing with the reducing instrument to the micropylar opening that expands after being pressed into swollen pearl; The swollen pearl of three rows that vertically is evenly distributed, the height that each swollen pearl exceeds the expanding mandrel cylindrical is consistent, and expansive force is even; Expanding mandrel is by the swollen pearl contact blind hole inwall that slides, expanding mandrel simulation blind hole axis, expanding mandrel lower end insert make in the blind hole expanding mandrel axis perpendicular to transverse plane under the expanding mandrel and expanding mandrel lower end planar top on the steel ball in the apex point nest of blind hole bottom with datum mark; Expanding mandrel mounting hole axis is perpendicular to large plane under the transverse slat, and the expanding mandrel upper end is inserted in the expanding mandrel mounting hole on the large plane of transverse slat and tightened fastening bolt; Dial gauge mounting hole axis is perpendicular to large plane under the transverse slat, and the dial gauge measuring staff inserts in transverse slat large plane left end and the dial gauge mounting hole with opening sleeve, makes the dial gauge gauge head refer to tightening holding screw on the end face and after leaving the compression surplus; Rotate the end face of the dial gauge measurement on the large plane of expanding mandrel band motion plate to blind hole axis verticality error.
According to claims 1 described end face to blind hole axis verticality measurer, it is characterized in that: the quenching hardness of steel ball and swollen pearl is: HRC56-62.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429688 CN202885750U (en) | 2012-08-18 | 2012-08-18 | Tool for measuring perpendicularity of end face to axis of blind hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429688 CN202885750U (en) | 2012-08-18 | 2012-08-18 | Tool for measuring perpendicularity of end face to axis of blind hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885750U true CN202885750U (en) | 2013-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220429688 Expired - Fee Related CN202885750U (en) | 2012-08-18 | 2012-08-18 | Tool for measuring perpendicularity of end face to axis of blind hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885750U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142111A (en) * | 2013-08-19 | 2014-11-12 | 国家电网公司 | Screw rod and threaded hole perpendicularity test tool with same |
| CN108709482A (en) * | 2018-06-11 | 2018-10-26 | 广东机电职业技术学院 | Automobile component spatial vertical hole system is apart from vertical measurer |
| CN109900188A (en) * | 2019-04-01 | 2019-06-18 | 泰州润骐防务科技有限公司 | General measuring instrument and measurement method with double measurement tables |
| CN109974556A (en) * | 2019-03-29 | 2019-07-05 | 泰州润骐防务科技有限公司 | General measuring instrument and measurement method |
| CN109974557A (en) * | 2019-04-01 | 2019-07-05 | 泰州润骐防务科技有限公司 | Rotatable general measuring instrument and measurement method |
| CN109974558A (en) * | 2019-04-02 | 2019-07-05 | 泰州润骐防务科技有限公司 | Automatic Synthesis measuring instrument and measurement method |
| CN110806165A (en) * | 2019-11-29 | 2020-02-18 | 重庆鑫宝田冶金工业有限责任公司 | Tool and method for measuring perpendicularity between hole and end plane |
| CN114646287A (en) * | 2020-12-18 | 2022-06-21 | 湖南特力液压有限公司 | Tool and method for quickly detecting perpendicularity of inner hole of earring and cylinder barrel |
-
2012
- 2012-08-18 CN CN 201220429688 patent/CN202885750U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142111A (en) * | 2013-08-19 | 2014-11-12 | 国家电网公司 | Screw rod and threaded hole perpendicularity test tool with same |
| CN104142111B (en) * | 2013-08-19 | 2016-12-28 | 国家电网公司 | A kind of screw rod and use this screw flight hole perpendicularity cubing |
| CN108709482A (en) * | 2018-06-11 | 2018-10-26 | 广东机电职业技术学院 | Automobile component spatial vertical hole system is apart from vertical measurer |
| CN108709482B (en) * | 2018-06-11 | 2023-09-08 | 广东机电职业技术学院 | Vertical measuring tool for distance between vertical hole system of automobile part space |
| CN109974556A (en) * | 2019-03-29 | 2019-07-05 | 泰州润骐防务科技有限公司 | General measuring instrument and measurement method |
| CN109900188A (en) * | 2019-04-01 | 2019-06-18 | 泰州润骐防务科技有限公司 | General measuring instrument and measurement method with double measurement tables |
| CN109974557A (en) * | 2019-04-01 | 2019-07-05 | 泰州润骐防务科技有限公司 | Rotatable general measuring instrument and measurement method |
| CN109974558A (en) * | 2019-04-02 | 2019-07-05 | 泰州润骐防务科技有限公司 | Automatic Synthesis measuring instrument and measurement method |
| CN110806165A (en) * | 2019-11-29 | 2020-02-18 | 重庆鑫宝田冶金工业有限责任公司 | Tool and method for measuring perpendicularity between hole and end plane |
| CN110806165B (en) * | 2019-11-29 | 2021-10-12 | 重庆鑫宝田冶金工业有限责任公司 | Tool and method for measuring perpendicularity between hole and end plane |
| CN114646287A (en) * | 2020-12-18 | 2022-06-21 | 湖南特力液压有限公司 | Tool and method for quickly detecting perpendicularity of inner hole of earring and cylinder barrel |
| CN114646287B (en) * | 2020-12-18 | 2024-03-01 | 湖南特力液压有限公司 | Quick detection tool and detection method for verticality of inner hole of earring and cylinder barrel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130818 |