CN203148355U - Special measurement instrument for shaft hole of key slot of movable sleeve of bulldozer - Google Patents
Special measurement instrument for shaft hole of key slot of movable sleeve of bulldozer Download PDFInfo
- Publication number
- CN203148355U CN203148355U CN 201320167719 CN201320167719U CN203148355U CN 203148355 U CN203148355 U CN 203148355U CN 201320167719 CN201320167719 CN 201320167719 CN 201320167719 U CN201320167719 U CN 201320167719U CN 203148355 U CN203148355 U CN 203148355U
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- gauge
- keyway
- riser
- reference block
- measurement instrument
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a special measurement instrument for the shaft hole of the key slot of the movable sleeve of a bulldozer, which belongs to the technical field of detection for metal machining parts, and is used for inspecting whether the machining for the shaft hole of the key slot of the movable sleeve of the bulldozer is qualified. The technical scheme is as follows: the base of the special measurement instrument is composed of a bottom plate and a vertical plate to be L-shaped; a surface seat assembly is fixed on the upper end surface of the vertical plate; a dial gauge is installed on the surface seat assembly; a location key is embedded in the front surface of the vertical plate; two parallel support shafts are installed at the both sides of the location key; the support shafts are vertical to the surface of the vertical plate; a gauge-setting reference block is a circular ring; a location key slot is formed above the gauge-setting reference block and matched with the location key in the front surface of the vertical plate; a shaft hole vertical to the wall of the key slot is formed in the wall of the location key slot; a mandrel is arranged in the shaft hole in a penetrating manner; and the central hole of the gauge-setting reference block is sleeved on the two support shafts of the front surface of the vertical plate. According to the special measurement instrument disclosed by the utility model, the zero position of the dial gauge can be determined via the gauge-setting reference block, that is, the distance from the central hole of the movable sleeve to the centre of the shaft hole of the key slot can be measured. The special measurement instrument disclosed by the utility model is simple in structure, fast and convenient to measure, and capable of providing a reliable basis for the quality of parts.
Description
Technical field
The utility model relates to a kind of dozer of checking and moves whether qualified surveying instrument of cover keyway axis hole crudy, belongs to metal machined part detection technique field.
Background technology
It is the vitals of dozer arrangement of clutch that dozer moves cover, dozer moves the cover periphery a plurality of outwardly directed keyways, the keyway both sides are the keyway wall, both sides keyway wall has axis hole, axis hole is perpendicular to the keyway wall, and mobile cover center pit to the distance at keyway axis hole center is called the L value, must not be greater than 0.1mm according to the difference of the L value of a plurality of keyways of technological requirement, can't measure the L value of keyway with the convention amount instrument after but movement is enclosed within machine-shaping, assembly quality is difficult to guarantee.Therefore it is very necessary designing special instrument measurement.
The utility model content
Technical problem to be solved in the utility model provides a kind of dozer and moves cover keyway axis hole special measurement instrument, this measuring instrument can fast, accurately be measured dozer and move the cover center pit to the distance at keyway axis hole center, guarantee that part is certified products before assembling, thereby improve assembly quality, reduction maintenance cost.
The technical scheme that solves the problems of the technologies described above is:
A kind of dozer moves cover keyway axis hole special measurement instrument, it is by base, the gauge stand assembly, dial gauge, gauge outfit, the his-and-hers watches reference block, mandrel is formed, base is the L type that base plate and riser are formed, the gauge stand assembly is fixed on the upper surface of riser, dial gauge is installed on the gauge stand assembly, there is vertical keyway the front of riser, be embedded with positioning key in the keyway, the both sides of positioning key are equipped with two parallel back shafts, back shaft is vertical with riser plate face, the his-and-hers watches reference block is annulus, and there is the positioning spline that stretches out his-and-hers watches reference block top, and the positioning key of positioning spline and riser front is complementary, the positioning key cell wall has the axis hole perpendicular to the keyway wall, mandrel is through in the axis hole, and the center pit of the annulus of his-and-hers watches reference block is enclosed within on two back shafts of riser front, and the gauge outfit measuring junction of dial gauge is relative with the mandrel axis.
Above-mentioned dozer moves cover keyway axis hole special measurement instrument, described gauge stand assembly is made up of gauge stand, resilient sleeve, clamping screw, straight pin, fastening bolt, gauge stand is fixed on the upper surface of base riser by two fastening bolts, by two straight pin location, the front end of gauge stand has the dial gauge mounting hole, the dial gauge mounting hole site is in the outside of base riser, resilient sleeve is contained in the dial gauge mounting hole, there is screw the side of dial gauge mounting hole, clamping screw screws in screw and contacts with the resilient sleeve excircle, and the gauge outfit of dial gauge is inserted in the resilient sleeve.
Above-mentioned dozer moves cover keyway axis hole special measurement instrument, verticality≤the 0.04mm of the base plate plate face of described base and riser plate face, verticality≤the 0.04mm of the keyway two sides of riser front and base plate plate face and riser plate face, two pin-and-holes of the symmetrical distribution of the keyway left and right sides, the symmetry of pin-and-hole and keyway is≤0.03mm, two pin-and-holes are contour in the horizontal direction, its axis and the base plate plate face depth of parallelism≤0.005mm, one end of two back shafts is respectively charged in two pin-and-holes, the axial line of two back shafts and the base plate plate face depth of parallelism≤0.005mm with the symmetry of keyway are≤0.03mm.
Above-mentioned dozer moves cover keyway axis hole special measurement instrument, described his-and-hers watches reference block center-hole diameter is Φ 70.015 ± 0.005mm, there is positioning spline the upper end, center of center pit, symmetry≤the 0.012mm of positioning spline and center pit axis, last transverse plane and the center pit axis of his-and-hers watches reference block are of a size of 76.5 ± 0.005mm, the depth of parallelism≤0.004mm.
The beneficial effects of the utility model are:
Dial gauge of the present utility model is installed on the riser of base, the his-and-hers watches reference block is enclosed within on the base riser plate face, dial gauge can be determined the dial gauge zero-bit by the his-and-hers watches reference block, places tested mobile cover then and can finish mobile cover center pit to the distance at keyway axis hole center.The utility model is simple in structure, measures efficient and conveniently, for part quality provides reliable basis, has guaranteed the final assembly quality, has saved maintenance cost.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is the B-B cut-open view of Fig. 2;
Fig. 4 is the D-D cut-open view of Fig. 2;
Fig. 5 is the C-C cut-open view of Fig. 3;
Synoptic diagram when Fig. 6 is the utility model measuring workpieces;
Front view when Fig. 7 is the utility model measuring workpieces;
Fig. 8 is the E-E cut-open view of Fig. 7.
Mark is as follows among the figure: base 1, gauge stand 2, resilient sleeve 3, clamping screw 4, positioning key 5, back shaft 6, straight pin 7, his-and-hers watches reference block 8, dial gauge 9, gauge outfit 10, mandrel 11, mobile cover 12, fastening bolt 13, fastening bolt 14, center pit 15, positioning spline 16.
Embodiment
The utility model is made up of base 1, gauge stand assembly, dial gauge 9, gauge outfit 10, his-and-hers watches reference block 8, mandrel 11.
Show among the figure that base 1 is the L type that base plate and riser are formed, supported the verticality≤0.04mm of base plate plate face and riser plate face between base plate and the riser by two braces.There is a vertical keyway at riser plate face center, and the verticality≤0.04mm of keyway two sides and base plate plate face face and riser plate face, positioning key 5 pack in the keyway and be fastening with the fastening bolts 13 of M4 * 10.Two pin-and-holes of keyway left and right sides symmetrical distribution, the symmetry of pin-and-hole and keyway is≤0.03mm, two pin-and-holes are contour in the horizontal direction, its axis and the base plate plate face depth of parallelism≤0.005mm, one end of two back shafts 6 is respectively charged in two pin-and-holes, the axial line of two back shafts 6 and the base plate plate face depth of parallelism≤0.005mm with the symmetry of keyway are≤0.03mm.
Show among the figure that the gauge stand assembly is made up of gauge stand 2, resilient sleeve 3, clamping screw 4, straight pin 7, fastening bolt 14.Gauge stand 2 is fixed on the upper surface of base 1 riser by the fastening bolt 14 of two M6 * 20, by two straight pins, 7 location, the front end of gauge stand 2 has the dial gauge mounting hole, the dial gauge mounting hole site is in the outside of base 1 riser, resilient sleeve 3 is contained in the dial gauge mounting hole, there is screw the side of dial gauge mounting hole, clamping screw 4 screws in screw and contacts with resilient sleeve 3 excircles, the gauge outfit 10 of dial gauge 9 is inserted in the resilient sleeve 3, by screwing in and screw out the degree of tightness that clamping screw 4 is regulated resilient sleeve 3, unscrew clamping screw 4 and adjust the high and low position of dial gauge 9, tighten fixedly dial gauge 9 of clamping screw 4 after mixing up.
Show among the figure, his-and-hers watches reference block 8 is annulus, there is center pit 15 in circle ring center, there is the positioning spline 16 that stretches out his-and-hers watches reference block 8 tops, positioning spline 16 is complementary with the positioning key 5 of riser front, and positioning spline 16 walls have the axis hole perpendicular to the keyway wall, and mandrel 11 is through in the axis hole, the center pit of the annulus of his-and-hers watches reference block 8 is enclosed within on two back shafts 6 of riser front, and gauge outfit 10 measuring junctions of dial gauge 9 are relative with mandrel 11 axis.His-and-hers watches reference block 8 center pits 15 diameters are Φ 70.015 ± 0.005mm, this hole and mobile cover 12 endoporus Φ 70(+0.03/0) consistent size, for moving the middle poor of cover 12 endoporus.Symmetry≤the 0.012mm of positioning spline 16 and center pit 15 axis, the last transverse plane of his-and-hers watches reference block 8 and center pit 15 axis are of a size of 76.5 ± 0.005mm, the depth of parallelism≤0.004mm.
Measuring process of the present utility model is as follows:
There are Φ 70.015 ± 0.005 holes at his-and-hers watches reference block 8 centers, are inserted in two axles 6 in his-and-hers watches reference block 8 holes simultaneously and keep the nature hang, and this moment, the center in hole was determined; Promote his-and-hers watches reference block 8 forward, key 5 is inserted in the keyway of his-and-hers watches reference block 8, the locating surface of his-and-hers watches reference block 8 is adjacent to the vertical locating surface of base 1, the last plane of his-and-hers watches reference block 8 is horizontal, and at this moment the last plane of his-and-hers watches reference block 8 and Φ 70.015 ± 0.005 hole center size 76.5 ± 0.005mm are dial gauge and want measurement size.
When measuring mobile cover center pit to the distance (L value) at axis hole center, earlier his-and-hers watches reference block 8 is taken off, to move cover 12 according to the same way as the utility model of packing into, the endoporus Φ 70(+0.03/0 of mobile cover 12) is enclosed within on two axles 6 and keeps the nature hang, the center of mobile cover 12 is already definite, promote mobile cover 12 forward, in any one groove in five place's keyways of the mobile cover 12 of positioning key 5 insertions, end face is adjacent to the riser plate face of base 1, this moment Φ 13(+0.027/0) axis of axis hole is horizontal, mandrel 11 is inserted in the axis hole, the radius of mandrel 11 is 6.5mm, 10 dozens of gauge outfits are at mandrel 11 cylindrical peaks, this point apart from mobile cover 12 centre distances be L ' (L '=L+6.5mm), be measured value, this measured value is consistent with Φ 70.015 ± 0.005 hole center size 76.5 ± 0.005mm on the last plane of his-and-hers watches reference block 8, the number of degrees according to dial gauge 9 pointers are determined actual measured value, measured value is deducted mandrel 11 diameter measurement values half (being radius), institute's value is the L value that needs measurement, and the L value of other keyway is used with quadrat method and measured.
Claims (4)
1. a dozer moves cover keyway axis hole special measurement instrument, it is characterized in that: it is by base (1), the gauge stand assembly, dial gauge (9), gauge outfit (10), his-and-hers watches reference block (8), mandrel (11) is formed, base (1) is the L type that base plate and riser are formed, the gauge stand assembly is fixed on the upper surface of riser, dial gauge (9) is installed on the gauge stand assembly, there is vertical keyway the front of riser, be embedded with positioning key (5) in the keyway, the both sides of positioning key (5) are equipped with two parallel back shafts (6), back shaft (6) is vertical with riser plate face, his-and-hers watches reference block (8) is annulus, there is the positioning spline (16) that stretches out his-and-hers watches reference block (8) top, positioning spline (16) is complementary with the positioning key (5) of riser front, positioning spline (16) wall has the axis hole perpendicular to the keyway wall, mandrel (11) is through in the axis hole, the center pit of the annulus of his-and-hers watches reference block (8) is enclosed within on two back shafts (6) of riser front, and gauge outfit (10) measuring junction of dial gauge (9) is relative with mandrel (11) axis.
2. dozer according to claim 1 moves cover keyway axis hole special measurement instrument, it is characterized in that: described gauge stand assembly is by gauge stand (2), resilient sleeve (3), clamping screw (4), straight pin (7), fastening bolt (14) is formed, gauge stand (2) is fixed on the upper surface of base (1) riser by two fastening bolts (14), located by two straight pins (7), the front end of gauge stand (2) has the dial gauge mounting hole, the dial gauge mounting hole site is in the outside of base (1) riser, resilient sleeve (3) is contained in the dial gauge mounting hole, there is screw the side of dial gauge mounting hole, clamping screw (4) screws in screw and contacts with resilient sleeve (3) excircle, and the gauge outfit (10) of dial gauge (9) is inserted in the resilient sleeve (3).
3. dozer according to claim 1 and 2 moves cover keyway axis hole special measurement instrument, it is characterized in that: the verticality≤0.04mm of the base plate plate face of described base (1) and riser plate face, verticality≤the 0.04mm of the keyway two sides of riser front and base plate plate face and riser plate face, two pin-and-holes of the symmetrical distribution of the keyway left and right sides, the symmetry of pin-and-hole and keyway is≤0.03mm, two pin-and-holes are contour in the horizontal direction, its axis and the base plate plate face depth of parallelism≤0.005mm, one end of two back shafts (6) is respectively charged in two pin-and-holes, the axial line of two back shafts (6) and the base plate plate face depth of parallelism≤0.005mm with the symmetry of keyway are≤0.03mm.
4. dozer according to claim 3 moves cover keyway axis hole special measurement instrument, it is characterized in that: described his-and-hers watches reference block (8) center pit (15) diameter is Φ 70.015 ± 0.005mm, there is positioning spline (16) upper end, center of center pit (15), symmetry≤the 0.012mm of positioning spline (16) and center pit (15) axis, the last transverse plane of his-and-hers watches reference block (8) and center pit (15) axis are of a size of 76.5 ± 0.005mm, the depth of parallelism≤0.004mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320167719 CN203148355U (en) | 2013-04-07 | 2013-04-07 | Special measurement instrument for shaft hole of key slot of movable sleeve of bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320167719 CN203148355U (en) | 2013-04-07 | 2013-04-07 | Special measurement instrument for shaft hole of key slot of movable sleeve of bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148355U true CN203148355U (en) | 2013-08-21 |
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ID=48975872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320167719 Expired - Fee Related CN203148355U (en) | 2013-04-07 | 2013-04-07 | Special measurement instrument for shaft hole of key slot of movable sleeve of bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203148355U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462127A (en) * | 2017-09-04 | 2017-12-12 | 中国航发南方工业有限公司 | The batch detector methods that batch detection recruitment is filled with and carried out using the frock |
| CN107702629A (en) * | 2017-09-12 | 2018-02-16 | 台州威德隆机械有限公司 | A kind of ball center distance check tool |
| CN112556541A (en) * | 2020-11-20 | 2021-03-26 | 昌河飞机工业（集团）有限责任公司 | Measuring tool and measuring and processing method for rotator fork lug bushing |
| CN113639605A (en) * | 2021-08-25 | 2021-11-12 | 南方泵业股份有限公司 | Tool and method for measuring circle run-out degree of pump head of centrifugal pump |
-
2013
- 2013-04-07 CN CN 201320167719 patent/CN203148355U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462127A (en) * | 2017-09-04 | 2017-12-12 | 中国航发南方工业有限公司 | The batch detector methods that batch detection recruitment is filled with and carried out using the frock |
| CN107462127B (en) * | 2017-09-04 | 2019-09-03 | 中国航发南方工业有限公司 | The batch detector methods that batch detection recruitment is filled with and is carried out using the tooling |
| CN107702629A (en) * | 2017-09-12 | 2018-02-16 | 台州威德隆机械有限公司 | A kind of ball center distance check tool |
| CN107702629B (en) * | 2017-09-12 | 2019-11-08 | 台州威德隆机械有限公司 | A kind of ball center distance check tool |
| CN112556541A (en) * | 2020-11-20 | 2021-03-26 | 昌河飞机工业（集团）有限责任公司 | Measuring tool and measuring and processing method for rotator fork lug bushing |
| CN112556541B (en) * | 2020-11-20 | 2022-08-02 | 昌河飞机工业（集团）有限责任公司 | Measuring tool and measuring and processing method for rotator fork lug bushing |
| CN113639605A (en) * | 2021-08-25 | 2021-11-12 | 南方泵业股份有限公司 | Tool and method for measuring circle run-out degree of pump head of centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20170407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |