CN203798330U - Elastic body precise micro-motion unit - Google Patents
Elastic body precise micro-motion unit Download PDFInfo
- Publication number
- CN203798330U CN203798330U CN201420085252.4U CN201420085252U CN203798330U CN 203798330 U CN203798330 U CN 203798330U CN 201420085252 U CN201420085252 U CN 201420085252U CN 203798330 U CN203798330 U CN 203798330U
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- CN
- China
- Prior art keywords
- elastic body
- sensor
- block
- mounting frame
- alloy block
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- Expired - Fee Related
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an elastic body precise micro-motion unit, which comprises an installation block, a sensor installation bracket, a limiting column, an elastic guide pillar, a measuring alloy block, a driving spring, an elastic body, a sensor and a contact block. One ends of the elastic body and the sensor installation bracket are fixedly connected to two side surfaces of the installation block; and one end of each of the limiting column and the elastic guide pillar is fixed and supported by the sensor installation bracket, and a gap is reserved between each of the other ends and the elastic body. One end, close to the installation block, of the elastic body is provided with a grooving with an opening facing the sensor installation bracket. The driving spring sleeves one end, close to the elastic body, of the elastic guide pillar, and is in pressure contact with the elastic body; the measuring alloy block and the contact block are arranged on one end, far away from the installation block, of the elastic body, and the contact block and the measuring alloy block are opposite to each other; and the sensor is arranged on one end, far away from the installation block, of the sensor installation bracket, and is in contact with the measuring alloy block. The elastic body precise micro-motion unit has the advantages of simple manufacturing technique, high motion precision, high measuring precision, and stable and reliable properties.
Description
Technical field
The utility model relates to precision measurement field, particularly a kind of elastic body precise jiggle unit.
Background technology
Prior art fine measuring instrument employing axle sleeve is paid structure and is carried out fine motion size transmission detection, but the accuracy requirement of manufacturing process is high, and kinematic accuracy is difficult to ensure.
Utility model content
In order to address the above problem, the utility model provides a kind of manufacturing process simple, the elastic body precise jiggle unit that kinematic accuracy is high, and concrete technical scheme is as follows:
Elastic body precise jiggle unit, comprise mounting blocks, mounting frame for sensor, limited post, elasticity guide pillar, measure alloy block, driving spring, elastic body, sensor and contact block, one end of elastic body and mounting frame for sensor is fixedly connected on respectively on two sides of mounting blocks; Gap, by mounting frame for sensor fixed support, is left between the other end and elastic body in limited post and elasticity guide pillar one end; Limited post is near the radially middle groove that is provided with in elastic body one end.
Elastic body is provided with grooving and screw, grooving be positioned at elastic body near mounting blocks one end and opening surface to mounting frame for sensor, screw be arranged in the middle of elastic body and with groove clearance fit.
Driving spring is placed on elasticity guide pillar near elastic body one end, and contacts with elastic body; Measure alloy block and contact block and be arranged at elastic body away from mounting blocks one end, and measure alloy block facing sensing device mounting bracket, contact block is opposing with measurement alloy block; Sensor setting in mounting frame for sensor away from mounting blocks one end, and with measure alloy block contact.Gap between limited post and elastic body is 1-2mm.
Described grooving comprises curved portions and line part, and curved portions is connected with line part, and arc part is in grooving bottom, and line part is near opening part.Mounting frame for sensor and elastic body one end are fixedly connected on respectively two sides of mounting blocks by screw, and mounting frame for sensor and elastic body are parallel to each other.
It is mobile that the utility model drives measurement alloy block that trace occurs by elastomeric micro-deformation, then measures by sensor the amount of movement of measuring alloy block, thereby complete precision measurement.Described elastic body precise jiggle unit manufacturing process is simple, and kinematic accuracy is high, moves especially in range of small, and measuring accuracy is high, reliable and stable.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is elastic body precise jiggle cell schematics.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, elastic body precise jiggle unit is parts on fine measuring instrument, and elastic body precise jiggle unit comprises mounting blocks 1, mounting frame for sensor 2, limited post 3, elasticity guide pillar 4, sensor compact heap 5, measures alloy block 6, driving spring 7, elastic body 8, sensor 9 and contact block 10.
Mounting blocks 1 is provided with mounting frame for sensor 2 and elastic body 8, and mounting frame for sensor 2 is fixedly connected with two sides of mounting blocks 1 by screw and/or register pin with elastic body 8 one end, and mounting frame for sensor 2 and the mutual almost parallel of elastic body 8.Elastic body 8 is provided with grooving 81 and screw 82.Grooving 81 be arranged at elastic body 8 near mounting blocks 1 one end and opening surface to mounting frame for sensor 2, elastic body 8 is by the micro-deformation of can occur in the time receiving External Force Acting ± (1～2) mm of grooving 81.Grooving 81 comprises curved portions 81a and line part 81b, and curved portions 81a is connected with line part 81b, and curved portions 81a is positioned at grooving 81 bottoms, and line part 81b is near opening part.Limited post 3 one end are fixedly installed on mounting frame for sensor 2, and the other end is near elastic body 8, but leave certain approximately 1-2mm gap.Limited post 3 is near being provided with groove 31 in the middle of elastic body 8 one end, on elastic body 8, be provided with screw 82 corresponding to the axial location of groove, screw 82 and groove clearance fit, can do trace along groove 31 mobile, groove 31 guides elastic body 8 and screw 82 on perpendicular to elastomeric direction, to do micro-movement along groove.Spring guide pillar 4 one end are fixedly installed on mounting frame for sensor 2, and the other end is near elastic body 8, but leave larger gap; Driving spring 7 is placed on spring guide pillar 4, and one end is fixed by spring guide pillar 4, and the other end, against elastic body 8, for giving the constant power of elastic body 8, makes elastic body that the micro-deformation of about 1mm occur.Measure alloy block 6 and be arranged at elastic body 8 one end away from mounting blocks, and be positioned on the face of elastic body 8 near mounting frame for sensor 2; Sensor 9 is arranged on mounting frame for sensor 2 by sensor compact heap 5, and described sensor 9 can be along moving perpendicular to the direction of mounting frame for sensor 2, and sensor 9 with measure alloy block 6 and contact.Contact block 10 is arranged at elastic body 8 away from mounting blocks one end and is positioned at the position opposing with measuring alloy block 6.
Fine measuring instrument (not shown) is provided with frame (not shown) and measuring position (not shown), and even number elastic body precise jiggle unit is by mounting blocks 1 is fixedly connected in fine measuring instrument frame, and is symmetricly set in both sides, measuring position.Distance between elastic body precise jiggle unit is predetermined reference dimension, in the time that measured object is positioned over position to be measured as axle, contact block 10 contacts with the external diameter of axle, thereby make elastic body 8 that micro-deformation occur, the micro-deformation of elastic body 8 drives measures micro-movement of alloy block 6 generations, detect by sensor 9 amount of movement of measuring alloy block 6 again, thereby draw the difference in size between measured axle and reference dimension, thereby realize the object of precision measurement.
The utility model is driven and is measured micro-movement of alloy block 6 generations by the micro-deformation of elastic body 8, then measures by sensor the amount of movement of measuring alloy block 6, thereby completes precision measurement.Elastic body precise jiggle unit is measured for carry out the transmission of fine motion size in the time of precision measurement, is suitable for the measurement of axle class outside dimension, and the utility model elastic body precise jiggle unit manufacturing process is simple, kinematic accuracy is high, in range of small, move especially, measuring accuracy is high, reliable and stable.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. an elastic body precise jiggle unit, comprises mounting blocks, mounting frame for sensor, limited post, elasticity guide pillar, measures alloy block, driving spring, elastic body, sensor and contact block, it is characterized in that,
One end of elastic body and mounting frame for sensor is fixedly connected on respectively on two sides of mounting blocks; Gap, by mounting frame for sensor fixed support, is left between the other end and elastic body in limited post and elasticity guide pillar one end; Limited post is near the radially middle groove that is provided with in elastic body one end;
Elastic body is provided with grooving and screw, grooving be positioned at elastic body near mounting blocks one end and opening surface to mounting frame for sensor, screw be arranged in the middle of elastic body and with groove clearance fit;
Driving spring is placed on elasticity guide pillar near elastic body one end, and contacts with elastic body;
Measure alloy block and contact block and be arranged at elastic body away from mounting blocks one end, and measure alloy block facing sensing device mounting bracket, contact block is opposing with measurement alloy block;
Sensor setting in mounting frame for sensor away from mounting blocks one end, and with measure alloy block contact.
2. elastic body precise jiggle unit according to claim 1, is characterized in that, the gap between limited post and elastic body is 1-2mm.
3. elastic body precise jiggle unit according to claim 2, is characterized in that, described grooving comprises curved portions and line part, and curved portions is connected with line part, and arc part is in grooving bottom, and line part is near opening part.
4. according to elastic body precise jiggle unit described in claim 1 or 3, it is characterized in that, mounting frame for sensor and elastic body one end are fixedly connected on respectively two sides of mounting blocks by screw, and mounting frame for sensor and elastic body are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085252.4U CN203798330U (en) | 2014-02-26 | 2014-02-26 | Elastic body precise micro-motion unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085252.4U CN203798330U (en) | 2014-02-26 | 2014-02-26 | Elastic body precise micro-motion unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798330U true CN203798330U (en) | 2014-08-27 |
Family
ID=51380535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420085252.4U Expired - Fee Related CN203798330U (en) | 2014-02-26 | 2014-02-26 | Elastic body precise micro-motion unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729447A (en) * | 2015-03-23 | 2015-06-24 | 王立明 | Elastomer |
| CN106949917A (en) * | 2017-03-20 | 2017-07-14 | 长春禹衡光学有限公司 | A kind of optical grating ruler measurement mechanism |
| CN107356190A (en) * | 2017-07-20 | 2017-11-17 | 北京航天控制仪器研究所 | A kind of two degrees of freedom micro-displacement |
-
2014
- 2014-02-26 CN CN201420085252.4U patent/CN203798330U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729447A (en) * | 2015-03-23 | 2015-06-24 | 王立明 | Elastomer |
| CN104729447B (en) * | 2015-03-23 | 2017-10-10 | 王立明 | Elastomer |
| CN106949917A (en) * | 2017-03-20 | 2017-07-14 | 长春禹衡光学有限公司 | A kind of optical grating ruler measurement mechanism |
| CN107356190A (en) * | 2017-07-20 | 2017-11-17 | 北京航天控制仪器研究所 | A kind of two degrees of freedom micro-displacement |
| CN107356190B (en) * | 2017-07-20 | 2019-06-18 | 北京航天控制仪器研究所 | A kind of two degrees of freedom micro-displacement |
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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: 20140827 Termination date: 20190226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |