CN204188128U - A kind of floating type coaxality measuring mechanism - Google Patents
A kind of floating type coaxality measuring mechanism Download PDFInfo
- Publication number
- CN204188128U CN204188128U CN201420534231.6U CN201420534231U CN204188128U CN 204188128 U CN204188128 U CN 204188128U CN 201420534231 U CN201420534231 U CN 201420534231U CN 204188128 U CN204188128 U CN 204188128U
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- taper shaft
- principal axis
- bearing
- hole
- pedestal
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of floating type coaxality measuring mechanism, comprise base, pick-up unit, measured material, its main points are that measured material includes taper shaft, pedestal, radial ball bearing, locating sleeve, nut, Float principal axis, screw rod, spring, adjusting sleeve, the endoporus of pedestal is equipped with two radial ball bearings, the outer ring of bearing and inner hole, separate with locating sleeve between bearing, the inner ring of bearing coordinates with taper shaft, taper shaft is locked on pedestal by round nut, taper shaft center is through hole, Float principal axis is contained in the central through hole of taper shaft, match with the upper conical surface of part to be measured in the top of Float principal axis, the tail end external stability of taper shaft has adjusting sleeve, the tail end of Float principal axis is fixed with screw rod, spring is had between screw rod and adjusting sleeve inner chamber.The utility model structure is simple, and charge and discharge operations is convenient, and the adjustment that fluctuates of locating shaft makes location, bipyramid hole more reliable and stable, and measurement result is accurate, and the test measuring device that adapted is different, the right alignment that can realize hole and axle detects.
Description
technical field:
The utility model relates to a kind of coaxality measuring mechanism, is particularly useful for the measurement of being with the endoporus of bipyramid and the right alignment of hole or axle.
background technology:
The charge assembly 4 of shell, as shown in Figure 1, by band cover powder column 41, powder column parts 42 are bonding forms with other, charge assembly after bonding, bipyramid medicine cover 43 is made up of the conical surface of the upper conical surface 46 and the lower conical surface 45 two different taperings, bipyramid medicine cover 43 with cover powder column requires to play critical effect in whole warhead with the right alignment of other powder column parts 42, directly has influence on the performance of product.Therefore, the detection of right alignment is most important.Current coaxality measuring mechanism as shown in Figure 2, by base 1, pick-up unit 2, measured material 3 forms, pick-up unit 2, measured material 3 is fixed on base 1, pick-up unit 2 is made up of support 21 and cylindrical clock gauge 22, measured material 3 is by taper shaft 31, pedestal 32, radial ball bearing 33, locating sleeve 34, nut 35 forms, the endoporus of pedestal 32 is equipped with two radial ball bearings 33, the outer ring of bearing and inner hole, separate with locating sleeve 34 between bearing, the inner ring of bearing coordinates with taper shaft 31, taper shaft 31 is locked on pedestal by round nut, realize the flexible rotating measuring body, measured charge assembly 4 is enclosed within the top of taper shaft 31, using the lower conical surface 45 of bipyramid medicine cover 43 as benchmark, adopt fixing axis of cone location, due to locating surface shakiness (being cantilever design), cause the data instability measured, have impact on the performance of product.
summary of the invention:
The purpose of this utility model is to overcome above-mentioned technological deficiency, provides the floating type coaxality measuring mechanism of the right alignment of a kind of energy Measurement accuracy bipyramid hole and circular hole or axle.
The technical scheme that the utility model adopts is a kind of floating type coaxality measuring mechanism, comprise base, pick-up unit, measured material, its main points are that measured material includes taper shaft, pedestal, radial ball bearing, locating sleeve, nut, Float principal axis, screw rod, spring, adjusting sleeve, the endoporus of pedestal is equipped with two radial ball bearings, the outer ring of bearing and inner hole, separate with locating sleeve between bearing, the inner ring of bearing coordinates with taper shaft, taper shaft is locked on pedestal by round nut, taper shaft center is through hole, Float principal axis is contained in the central through hole of taper shaft, match with the upper conical surface of part to be measured in the top of Float principal axis, the tail end external stability of taper shaft has adjusting sleeve, the tail end of Float principal axis is fixed with screw rod, spring is had between screw rod and adjusting sleeve inner chamber.
The utility model improves on the basis of existing pick-up unit, a Float principal axis moving up and down is housed in the centre of taper shaft, screw rod is fixed with below Float principal axis, spring, adjusting sleeve, spring device can realize fluctuating of main shaft, eliminate the gap between pilot hole and keeper, realize bipyramid by the tapering of the fixing axis of cone and Float principal axis to locate, just become by original cantilever design the rock-steady structure that there is support at two ends during such measurement, reach accurate location, improve accuracy of measurement.
Pick-up unit includes bearing support, V-block assembly, tong-test ammeter bar, dial test indicator, and bearing support is fixed on base, and V-block assembly is fixed on bearing support, and tong-test ammeter bar is fixed by bolts on V-block assembly, and dial test indicator is fixed on tong-test ammeter bar.
The cylindrical of other powder column parts of existing measurement is changed into the central bore of other powder column parts.
What adopt is that V-block conventional in machine work coordinates, and V-block laterally promotes block, makes measuring surface and the clock gauge contact of part.Have an elongated hole in the middle of block, axostylus axostyle can move left and right in elongated hole, and can shift out from top, installs and measures conveniently.
The utility model has the advantage of: structure is simple, charge and discharge operations is convenient, and the adjustment that fluctuates of locating shaft makes location, bipyramid hole more reliable and stable, measurement result is accurate, and there is versatility, the test measuring device that adapted is different on base, the right alignment that can realize hole and axle detects.Be applicable to the coaxality measurement of each solid of revolution being with bipyramid hole simultaneously.
accompanying drawing illustrates:
Fig. 1 is that part to be measured is always schemed
Fig. 2 is existing measurement mechanism using state figure
Fig. 3 is the using state figure of the utility model embodiment 1
Fig. 4 is the structural representation of the utility model embodiment 2
Fig. 5 is the using state figure of the utility model embodiment 2
Fig. 6 is the schematic diagram of V-block assembly in embodiment 2
In figure: the conical surface on other powder column parts 43 bipyramid medicine cover 44 central bore of cover powder column 42 45 times conical surfaces 46 is with by 1 base 2 pick-up unit 21 support 22 cylindrical clock gauge 23 bearing support 24V type block assembly 241V type block 242 block 243 axostylus axostyle 244 hex bolts 25 bolt 26 tong-test ammeter bar 27 dial test indicator 3 measured material 31 taper shaft 32 pedestal 33 radial ball bearing 34 locating sleeve 35 nut 36 Float principal axis 37 screw rod 38 spring 39 adjusting sleeve 4 charge assembly 41.
embodiment:
Be described in further detail the utility model below in conjunction with accompanying drawing, professional and technical personnel can be made more to understand utility model, modify to following embodiment, it is all possible for adding and replacing, and does not all exceed protection domain of the present utility model.
Embodiment 1, as shown in Figure 3, a kind of floating type coaxality measuring mechanism, it improves on the basis of existing measurement mechanism, a Float principal axis moving up and down is housed in the centre of taper shaft, screw rod is fixed with below Float principal axis, spring, adjusting sleeve, spring device can realize fluctuating of main shaft, eliminate the gap between pilot hole and keeper, realize bipyramid by the tapering of the fixing axis of cone and Float principal axis to locate, just become by original cantilever design the rock-steady structure that there is support at two ends during such measurement, reach accurate location, improve accuracy of measurement.It comprises base 1 specifically, pick-up unit 2, measured material 3, measured material 3 includes taper shaft 31, pedestal 32, radial ball bearing 33, locating sleeve 34, nut 35, Float principal axis 36, screw rod 37, spring 38, adjusting sleeve 39, the endoporus of pedestal 32 is equipped with two radial ball bearings 33, the outer ring of bearing and inner hole, separate with locating sleeve 34 between bearing, the inner ring of bearing coordinates with taper shaft 31, taper shaft 31 is locked on pedestal by round nut, taper shaft 31 center is through hole, Float principal axis 36 is contained in the central through hole of taper shaft 31, match with the upper conical surface 46 of part to be measured in the top of Float principal axis 36, the tail end external stability of taper shaft 31 has adjusting sleeve 39, the tail end of Float principal axis 36 is fixed with screw rod 37, spring 38 is had between screw rod 37 and adjusting sleeve 39 inner chamber.Charge assembly 4 is enclosed within measured material 3, the upper conical surface of bipyramid medicine cover 43 and the lower conical surface contact with Float principal axis 36 top and taper shaft 31 respectively and carry out supporting and location, the cylindrical of pick-up unit 2 to other powder column parts detects, and it is same as the prior art that all the other do not state part.
Embodiment 2, as shown in Figure 4,5, 6, the basis of embodiment 1 is improved pick-up unit 2, the cylindrical of other powder column parts 42 of existing measurement is changed into the central bore 44 of other powder column parts 42, pick-up unit 2 includes bearing support 23, V-block assembly 24, tong-test ammeter bar 26, dial test indicator 27, bearing support 23 is fixed on base 1, V-block assembly 24 is fixed on bearing support 23, tong-test ammeter bar 26 bolt 25 is fixed on V-block assembly 24, and dial test indicator 27 is fixed on tong-test ammeter bar 26.V-block assembly is made up of V-block 241, block 242, axostylus axostyle 243, hex bolts 244, and tong-test ammeter bar 26 hex bolts 25 is fixed in the hole of block 242.V-block laterally promotes block, makes measuring surface and the clock gauge contact of part.Have an elongated hole in the middle of block, axostylus axostyle can move left and right in elongated hole, and can shift out from top, installs and measures conveniently.It is identical with upper example that all the other do not state part.
Standard body is used for correcting measuring device, before testing measurement health check-up, first tests to device with standard body at every turn, standard body is usually identical with the geometric configuration of measured part, but under the prerequisite not affecting measuring accuracy, in order to the convenience manufactured and use, its structure can simplify.
Using method: for embodiment 2: before utilizing embodiment 2 to detect, first with standard body, measurement mechanism is verified, standard body is inserted in taper shaft 31 with Float principal axis 36, mobile V-block assembly 24 makes measuring surface and the clock gauge contact of part, and makes pointer have suitable intrusion.Then, press down standard body, pass through spring device, the conelet in its bipyramid hole is first fitted with Float principal axis tapering, continues to press down, guide auger and taper shaft 31 to fit, measurement body bipyramid is located, slowly rotates taper shaft 31, and drive standard body to carry out coaxality measurement, the difference that pointer is beated is in the inspection numerical range that measurement mechanism requires, represent that measurement mechanism is qualified, take off standard body, measuring piece is inserted in Float principal axis, repeat aforesaid operations, measuring piece is carried out to the measurement of right alignment.
Claims (3)
1. a floating type coaxality measuring mechanism, comprise base (1), pick-up unit (2), measured material (3), it is characterized in that: measured material (3) includes taper shaft (31), pedestal (32), radial ball bearing (33), locating sleeve (34), nut (35), Float principal axis (36), screw rod (37), spring (38), adjusting sleeve (39), the endoporus of pedestal (32) is equipped with two radial ball bearings (33), the outer ring of bearing and inner hole, separate with locating sleeve (34) between bearing, the inner ring of bearing coordinates with taper shaft (31), taper shaft (31) is locked on pedestal by round nut, taper shaft (31) center is through hole, Float principal axis (36) is contained in the central through hole of taper shaft (31), match with the upper conical surface (46) of part to be measured in the top of Float principal axis (36), the tail end external stability of taper shaft (31) has adjusting sleeve (39), the tail end of Float principal axis (36) is fixed with screw rod (37), spring (38) is had between screw rod (37) and adjusting sleeve (39) inner chamber.
2. the floating type coaxality measuring mechanism of one according to claim 1, it is characterized in that: pick-up unit (2) includes bearing support (23), V-block assembly (24), tong-test ammeter bar (26), dial test indicator (27), bearing support (23) is fixed on base (1), V-block assembly (24) is fixed on bearing support (23), tong-test ammeter bar (26) bolt (25) is fixed on V-block assembly (24), and dial test indicator (27) is fixed on tong-test ammeter bar (26).
3. the floating type coaxality measuring mechanism of one according to claim 2, it is characterized in that: V-block assembly is made up of V-block (241), block (242), axostylus axostyle (243), hex bolts (244), tong-test ammeter bar (26) hex bolts (25) is fixed on block (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534231.6U CN204188128U (en) | 2014-09-18 | 2014-09-18 | A kind of floating type coaxality measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534231.6U CN204188128U (en) | 2014-09-18 | 2014-09-18 | A kind of floating type coaxality measuring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204188128U true CN204188128U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420534231.6U Expired - Fee Related CN204188128U (en) | 2014-09-18 | 2014-09-18 | A kind of floating type coaxality measuring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204188128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949803A (en) * | 2017-04-19 | 2017-07-14 | 苏州普费勒精密量仪有限公司 | A kind of flexible floating measurement apparatus |
| CN109708868A (en) * | 2019-03-05 | 2019-05-03 | 山东帅克机械制造股份有限公司 | A kind of auxiliary assembling apparatus based on vertical fine retarder combination property detector |
| CN110107493A (en) * | 2019-06-20 | 2019-08-09 | 淄柴动力有限公司 | High-pressure fuel pump of diesel engine output shaft coaxality measuring mechanism |
-
2014
- 2014-09-18 CN CN201420534231.6U patent/CN204188128U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949803A (en) * | 2017-04-19 | 2017-07-14 | 苏州普费勒精密量仪有限公司 | A kind of flexible floating measurement apparatus |
| CN106949803B (en) * | 2017-04-19 | 2023-09-22 | 苏州普费勒精密量仪有限公司 | Flexible floating measurement device |
| CN109708868A (en) * | 2019-03-05 | 2019-05-03 | 山东帅克机械制造股份有限公司 | A kind of auxiliary assembling apparatus based on vertical fine retarder combination property detector |
| CN110107493A (en) * | 2019-06-20 | 2019-08-09 | 淄柴动力有限公司 | High-pressure fuel pump of diesel engine output shaft coaxality measuring mechanism |
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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: 20150304 Termination date: 20200918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |