CN208805177U - A kind of floating measuring device - Google Patents
A kind of floating measuring device Download PDFInfo
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- CN208805177U CN208805177U CN201821452514.0U CN201821452514U CN208805177U CN 208805177 U CN208805177 U CN 208805177U CN 201821452514 U CN201821452514 U CN 201821452514U CN 208805177 U CN208805177 U CN 208805177U
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- measuring staff
- measuring
- end cap
- staff
- measurement
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Abstract
The utility model discloses a kind of floating measuring devices, comprising: measurement bar body, bar axis, measuring staff, sensor, bulb plunger and end cap；Rod sleeve is located at one end of measurement bar body, and measuring staff is set on bar axis, is provided with gap between measuring staff and bar axis；Sensor is symmetrical arranged on the measuring rod；Circumferential array setting is fluted in its circumferential direction for measuring staff, and bulb plunger is arranged in the groove of measuring staff；End cap is arranged in close to one end of bar axis in measurement bar body, and end cap is provided with accommodating cavity towards the side of measurement bar body, and one end of one end and bar axis for measuring bar body is located in the accommodating cavity of end cap.By the above-mentioned means, the utility model can correct measuring staff because gravity influence caused by measuring staff problem on deformation, avoid measuring staff from being influenced to cause measurement error due to generating bending deformation in the axial direction by its own gravity because length is longer, improve measurement accuracy；Avoid the bending deformation because of measuring staff that measuring staff is made to cannot be introduced into inner hole of workpiece simultaneously, to cause not measuring.
Description
Technical field
The utility model relates to technical field of measuring equipment, more particularly to a kind of floating measuring device.
Background technique
With the development of science and technology and progress, the measurement of high-accuracy electronic product machining accuracy and control increasingly tend to it is complete from
Dynamicization, and traditional artificial check and measurement for existing enterprise, one side cost of labor is huge, low efficiency
Under, on the other hand the accuracy for measuring and checking not can guarantee.Therefore enterprise has been devoted to the high-accuracy machine of R and D
The full-automatic measuring device of electric product, for example for measuring the measuring device of automobile engine crankshaft hole machined precision.
Existing measuring device is to slowly enter inner hole of workpiece by slide unit driving, and measuring device runs through inner hole of workpiece, is completed
The measurement and detection of inner hole of workpiece corresponding position size and geometric tolerance.Hole length is longer in measured workpiece, corresponding measurement dress
It is also longer to set size, while outer diameter is necessarily less than inner hole of workpiece diameter dimension.In this way when inner hole of workpiece is longer, measurement dress
It sets because the limitation of itself conventional construction sizes is also easy to produce deformation, influences measurement accuracy.
Utility model content
The utility model can correct measuring staff because of gravity mainly solving the technical problems that provide a kind of floating measuring device
Measuring staff problem on deformation caused by influence improves measurement accuracy.
In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of floating measuring device, comprising: measurement bar body, bar axis, measuring staff, sensor, bulb plunger and end cap；It is described
Rod sleeve is located at one end of the measurement bar body, and the measuring staff is set on the bar axis, sets between the measuring staff and bar axis
It is equipped with gap；The sensor is symmetricly set on the measuring staff；Circumferential array setting is fluted in its circumferential direction for the measuring staff,
The bulb plunger is arranged in the groove of the measuring staff；The end cap is arranged in the measurement bar body close to the bar axis
One end, the end cap is provided with accommodating cavity towards the side of the measurement bar body, one end of the measurement bar body and
One end of bar axis is located in the accommodating cavity of the end cap.
Preferably, the measuring staff is provided with through-hole in its axial direction, and the through-hole is symmetrical with the central axis of the measuring staff
Axial symmetry setting；Screw is provided in the through-hole of the measuring staff, the screw is fixedly connected with the end cap, is covered on the screw
If spring.
Preferably, be provided with protective case in the through-hole of the measuring staff, the screw setting the protective case and end cap it
Between.
Preferably, card slot is provided on the measuring staff, the end cap is embedded in the card slot of the measuring staff.
Preferably, the clearance distance between the measuring staff and bar axis is 1.1mm~1.5mm.
Preferably, the bulb plunger is forced bulb plunger.
Preferably, bolt is provided on the measuring staff, the bolt is to be detachably connected with measuring staff.
Due to the application of the above technical scheme, the utility model have compared with prior art it is following the utility model has the advantages that
A kind of floating measuring device is provided, by measurement bar body, bar axis and measuring staff split settings, and is arranged between each other
Have flying height, correct for measuring staff because gravity influence caused by measuring staff problem on deformation, avoid measuring staff longer by its own because of length
Gravity influences to generate bending deformation in the axial direction and cause measurement error, improves measurement accuracy；The bending because of measuring staff is avoided simultaneously
Deformation is so that measuring staff cannot be introduced into inner hole of workpiece, to cause not measuring.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of one preferred embodiment of floating measuring device of the utility model.
Fig. 2 is a kind of axial section of one preferred embodiment of floating measuring device of the utility model.
Fig. 3 is a kind of axial section of one preferred embodiment of floating measuring device of the utility model at another visual angle.
Fig. 4 is a kind of radial cutaway view of one preferred embodiment of floating measuring device of the utility model.
Detailed description of the invention: 1 measurement bar body, 2 bar axis, 3 measuring staffs, 4 sensors, 5 bulb plungers, 6 end caps, 7 screws, 8 springs,
9 protective cases, 10 bolts.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Refering to attached drawing, a kind of floating measuring device, comprising: measurement bar body 1, bar axis 2, measuring staff 3, sensor 4, ball head column
Plug 5 and end cap 6.Each component for measuring device of floating is decomposed, measuring staff 3 measurement inner hole of workpiece axis direction length by
Measurement bar body 1 compensates.
Measurement bar body 1 is a column, and bar axis 2 is set in one end of measurement bar body 1, bar axis 2 and measurement bar body 1
It is bolted.The junction that bar axis 2 and measurement bar body 1 are bolted is provided with convex block, and convex block is right radially
Measuring staff 3 is played a supporting role.
Measuring staff 3 is set on bar axis 2, and sensor 4 is symmetricly set on measuring staff 3, by sensor 4 in inner hole of workpiece
Each parameter measures.Gap is provided between measuring staff 3 and bar axis 2, the clearance distance between measuring staff 3 and bar axis 2 be 1.1mm~
1.5mm.Measuring staff 3 reserves certain interval because the influence of its own gravity will necessarily be bent downwardly deformation between measuring staff 3 and bar axis 2, can
To compensate the measurement error generated by 3 bending deformation of measuring staff by the gap.
Circumferential array setting is fluted in its circumferential direction for measuring staff 3, and screw thread is provided in groove, and the setting of bulb plunger 5 is being surveyed
In the groove of bar 3, bulb plunger 5 can select forced bulb plunger 5.8 plunger of spring is at angled point of circumferencial direction
Cloth, this is to facilitate adjustment measuring staff 3 in the offset of different directions.By adjusting 3 bottom of measuring staff bulb plunger 5 by bending deformation
Sagging measuring staff 3 moves up, and reserves certain floating surplus, therefore measuring staff 3 position compensation adjusted measurement bar body 1 exists
Bending deformation quantity on axis direction, to guarantee that the longer measuring staff 3 of length is maintained on the horizontal position of needs.
End cap 6 is arranged in measurement bar body 1 close to one end of bar axis 2, is fixed measuring staff 3 by end cap 6, and pass through end
Lid 6 is blown.End cap 6 is provided with accommodating cavity towards the side of measurement bar body 1, measures one end and the bar axis 2 of bar body 1
One end be located in the accommodating cavity of end cap 6.For preferably fixed end cap 6, card slot is provided on measuring staff 3, the insertion of end cap 6 is surveyed
In the card slot of bar 3.
Measuring staff 3 is provided with through-hole in its axial direction, and through-hole is symmetrical arranged by symmetry axis of the central axis of measuring staff 3.Measuring staff 3
Screw 7 is provided in through-hole, screw 7 is fixedly connected with end cap 6, sheathed spring 8 on screw 7.Guarantor is provided in the through-hole of measuring staff 3
Sheath 9, screw 7 are arranged between protective case 9 and end cap 6.Increase spring 8 inside measuring staff 3, passes through the restoring force pair of spring 8
Measuring staff 3 plays certain normal pressure in the axial direction, has both guaranteed the floating in the radial direction of measuring staff 3, solves above-mentioned because of bending
Deformation influences the problem of measurement accuracy；Measuring staff 3 can be made not generate shaking in measurement process again, to ensure that measurement essence
Degree.In addition, 8 plunger of spring is in the multiple angle arrangements of circumferencial direction point, it is ensured that position adjusts reliable and stable.
Bolt 10 is provided on measuring staff 3, bolt 10 is to be detachably connected with measuring staff 3.Bolt 10 allow for because measuring staff 3 with
There are gaps for bar axis 2, in order to avoid the vibration generated during transportation impacts measuring staff 3, even result in the change of measuring staff 3
Shape.Bolt 10 can guarantee that measuring staff 3 and bar axis 2 are relatively fixed, can manually remove when device normal use in place, reach guarantor
Protect the effect of measuring staff 3.
By the floating measuring device after the assembly is completed, adjust bulb plunger 5 and check measuring staff 3 whether with measurement bar body
1 all keeps horizontal, so that measuring staff 3 is close coaxial with measurement 1 fixed terminal of bar body.Measuring staff 3 is applied to for axle spring 8
How much is normal pressure, can change the precompressed stroke of spring 8 by adjusting the assembly depth of screw 7, and then control normal pressure
Size.It by above-mentioned a series of adjustment and checks the measuring device and ensure that relative level in the axial direction, also guarantee
The measurement accuracy and reliability of measuring device.The floating measuring device decomposes original single measurement part, shortening and workpiece
There is 3 length dimension of measuring staff of fit tolerance, and guarantee the flying height of 3 position of measuring staff, is generated in the longitudinal direction with correction
The error that bending deformation generates measurement, while reducing the difficulty of processing of measuring device and the difficulty of assembling and setting.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all utilizations
Equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in other
Relevant technical field, is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of floating measuring device characterized by comprising measurement bar body, bar axis, measuring staff, sensor, bulb plunger and
End cap；The rod sleeve is located at one end of the measurement bar body, and the measuring staff is set on the bar axis, the measuring staff and bar
Gap is provided between axis；The sensor is symmetricly set on the measuring staff；Circumferential array is set the measuring staff in its circumferential direction
It is equipped with groove, the bulb plunger is arranged in the groove of the measuring staff；The end cap setting is leaned in the measurement bar body
One end of the nearly bar axis, the end cap are provided with accommodating cavity, the measuring rod sheet towards the side of the measurement bar body
One end of body and one end of bar axis are located in the accommodating cavity of the end cap.
2. a kind of floating measuring device according to claim 1, it is characterised in that: the measuring staff is provided in its axial direction
Through-hole, the through-hole are symmetrical arranged by symmetry axis of the central axis of the measuring staff；Screw, institute are provided in the through-hole of the measuring staff
It states screw to be fixedly connected with the end cap, sheathed spring on the screw.
3. a kind of floating measuring device according to claim 2, it is characterised in that: be provided with guarantor in the through-hole of the measuring staff
Sheath, the screw are arranged between the protective case and end cap.
4. a kind of floating measuring device according to claim 1, it is characterised in that: be provided with card slot, institute on the measuring staff
End cap is stated to be embedded in the card slot of the measuring staff.
5. a kind of floating measuring device according to claim 1, it is characterised in that: the gap between the measuring staff and bar axis
Distance is 1.1mm~1.5mm.
6. a kind of floating measuring device according to claim 1, it is characterised in that: the bulb plunger is forced bulb
Plunger.
7. a kind of floating measuring device according to claim 1, it is characterised in that: be provided with bolt, institute on the measuring staff
It is to be detachably connected that bolt, which is stated, with measuring staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452514.0U CN208805177U (en) | 2018-09-05 | 2018-09-05 | A kind of floating measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452514.0U CN208805177U (en) | 2018-09-05 | 2018-09-05 | A kind of floating measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805177U true CN208805177U (en) | 2019-04-30 |
Family
ID=66235997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821452514.0U Active CN208805177U (en) | 2018-09-05 | 2018-09-05 | A kind of floating measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208805177U (en) |
-
2018
- 2018-09-05 CN CN201821452514.0U patent/CN208805177U/en active Active
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