CN204359266U - Roughness sensor zero-bit adjust structure and roughness sensor - Google Patents
Roughness sensor zero-bit adjust structure and roughness sensor Download PDFInfo
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- CN204359266U CN204359266U CN201520074518.XU CN201520074518U CN204359266U CN 204359266 U CN204359266 U CN 204359266U CN 201520074518 U CN201520074518 U CN 201520074518U CN 204359266 U CN204359266 U CN 204359266U
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Abstract
The utility model provides a kind of roughness sensor zero-bit adjust structure and roughness sensor, this roughness sensor zero-bit adjust structure comprises main body (1), containing the first lever (3) setting up and down and the second lever (10) in main body (1), the two ends of the first lever (3) are equipped with coil block (2), second lever (10) is provided with two magnetic sheets (11) corresponding with two coil blocks (2), first lever (3) and the second lever (10) all can rotate, main body (1) includes the governor motion for adjusting the first lever (3) rotational angle.Roughness sensor containing this roughness sensor zero-bit adjust structure substantially reduces the size at contact pilotage position; Also there is zero-bit in addition easy to adjust, the physical location of contact pilotage in adjustment process, can not be affected; Highly versatile, can be applied to the first-class advantage of roughness sensor of various function.
Description
Technical field
The utility model relates to testing apparatus field, specifically a kind of roughness sensor zero-bit adjust structure, or a kind of roughness sensor containing this roughness sensor zero-bit adjust structure.
Background technology
The coil block of contact pin type roughness sensor and magnetic sheet form air gap type inductance, coil block is access in balanced bridge, when measuring the roughness of measured surface, contact pilotage moves up and down with the fluctuating on surface, drive magnetic sheet moves, coil inductance changes, electric bridge is unbalance, export a voltage signal corresponding to contact pilotage displacement, for making in measuring process not no to scale, need to make contact pilotage pin position be in zero-bit (now electric bridge is in equilibrium state) before use, as shown in Figure 1, traditional roughness sensor zero-bit adjustment mode is the connecting thread by regulating contact pilotage 8 and contact pilotage to overlap, air gap between Indirect method coil block 2 and magnetic sheet 11 completes, this structural adjustment inconvenience, contact pilotage spot size is larger, at measurement aperture, during the specific positions such as narrow groove, the contact pilotage 8 of sensor cannot touch measured surface.In order to meet the measurement of these specific positions, needing the contact pilotage spot size of sensor to accomplish very little, now contact pilotage can only be made fixing nonadjustable mode.In order to solve the demand of transducer zeroing adjustment, need to design a kind of novel adjustment structure.
Utility model content
In order to solve the zero-bit adjustment problem of fixed contact pilotage, the utility model provides a kind of roughness sensor zero-bit adjust structure and roughness sensor, and the roughness sensor containing this roughness sensor zero-bit adjust structure substantially reduces the size at contact pilotage position; Also there is zero-bit in addition easy to adjust, the physical location of contact pilotage in adjustment process, can not be affected; Highly versatile, can be applied to the first-class advantage of roughness sensor of various function.
The utility model solves the technical scheme that its technical matters adopts: a kind of roughness sensor zero-bit adjust structure, comprise main body, containing the first lever setting up and down and the second lever in main body, the two ends of the first lever are equipped with coil block, second lever is provided with two magnetic sheets corresponding with two coil blocks, first lever and the second lever all can rotate, and main body includes the governor motion for adjusting the first lever rotation angle.
Air gap is there is between coil block and magnetic sheet.
First lever can rotate around locating shaft, and locating shaft is fixed in main body, and locating shaft is between two coil blocks.
Second lever can rotate around lever shaft, and lever shaft is fixed in main body, and lever shaft is between two magnetic sheets, and the position of lever shaft is corresponding with the position of locating shaft.
The axis of locating shaft and the axis of lever shaft are arranged all in the horizontal direction, and the axis being parallel of locating shaft is in the axis of lever shaft.
This governor motion comprises the set screw that the first lever can be regulated relative to the second lever rotation angle.
Set screw is arranged in the first lever, and set screw coordinates with main body screw, and set screw is between coil block and locating shaft.
The aperture of the through hole that the first lever wears for set screw is greater than the large footpath of the threaded portion of set screw and is less than the diameter of the head of set screw, this governor motion also comprises the regulating spring be sheathed on outside set screw, one end of regulating spring is connected with the first lever, and the other end of regulating spring is connected with main body.
This governor motion also comprises the holding screw for making the first lever fixing relative to main body, holding screw is arranged in main body, holding screw is between set screw and locating shaft, the axis of holding screw and the axes normal of set screw, holding screw is connected with main body screw, and the tail end of holding screw can hold out against the first lever.
A kind of roughness sensor, containing above-mentioned roughness sensor zero-bit adjust structure, this roughness sensor also comprises the contact pilotage containing the one end being fixed on the second lever.
The beneficial effects of the utility model are, the roughness sensor containing this roughness sensor zero-bit adjust structure substantially reduces the size at contact pilotage position; Also there is zero-bit in addition easy to adjust, the physical location of contact pilotage in adjustment process, can not be affected; Highly versatile, can be applied to the first-class advantage of roughness sensor of various function.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the structural representation of existing roughness sensor.
Fig. 2 is the structural representation of roughness sensor described in the utility model.
Wherein 1. main bodys, 2. coil block, 3. the first lever, 4. set screw, 5. holding screw, 6. locating shaft, 7. top guide, 8. contact pilotage, 9. optical flat, 10. the second lever, 11. magnetic sheets, 12. lever shafts, 13. regulating springs.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
For the ease of understanding the utility model, first briefly understand prior art, as shown in Figure 1.In prior art, contact pilotage 8 is threaded with the second lever 10, magnetic sheet 11 is fixed on the second lever 10, second lever 10 can with lever shaft 12 for axle turns an angle, coil block 2 is fixed in main body 1 motionless, and the rotational angle of the second lever 10 and the air gap between coil block 2 and magnetic sheet 11 regulate by means of only rotating contact pilotage 8.
In the utility model, described roughness sensor zero-bit adjust structure comprises main body 1, containing the first lever 3 and the second lever 10 setting up and down in main body 1, the two ends of the first lever 3 are equipped with coil block 2, second lever 10 is provided with two magnetic sheets 11 corresponding with two coil blocks 2, first lever 3 and the second lever 10 all can rotate, and main body 1 includes the governor motion for adjusting the first lever 3 rotational angle, as shown in Figure 2.
The key distinction of the utility model and prior art is the air gap coming between control coil assembly 2 and magnetic sheet 11 relative to the rotational angle of the second lever 10 by adjusting the first lever 3, instead of as the air gap that prior art adopts the rotational angle of adjustment second lever 10 to come between regulating winding assembly 2 and magnetic sheet 11.In the present embodiment, when the first lever 3 and the second lever 10 are parallel to each other, when the coil block 2 of both sides is equal with the spacing of magnetic sheet 11, be namely the zero-bit of roughness sensor described in the utility model.
In concrete structure, as shown in Figure 2, the first lever 3 and the second lever 10 are arranged all in the horizontal direction, there is air gap between coil block 2 and magnetic sheet 11.First lever 3 can rotate around locating shaft 6, and locating shaft 6 is fixed in main body 1, the point midway of locating shaft 6 between two coil blocks 2.Second lever 10 can rotate around lever shaft 12, lever shaft 12 is fixed in main body 1, the point midway of lever shaft 12 between two magnetic sheets 11, and the position of lever shaft 12 is corresponding with the position of locating shaft 6, namely as shown in Figure 2, lever shaft 12 is positioned at immediately below locating shaft 6.The axis of locating shaft 6 and the axis of lever shaft 12 are arranged all in the horizontal direction, and the axes normal of locating shaft 6 is in the first lever 3, and the axes normal of lever shaft 12 is in the second lever 10, and the axis being parallel of locating shaft 6 is in the axis of lever shaft 12.
Described governor motion comprises the set screw 4 that the first lever 3 can be regulated relative to the second lever 10 rotational angle.In the present embodiment, as shown in Figure 2, set screw 4 is arranged in the first lever 3, and the threaded portion of set screw 4 and main body 1 threaded engagement, set screw 4 is between coil block 2 and locating shaft 6.The aperture of the through hole that the first lever 3 wears for set screw 4 is greater than the large footpath of the threaded portion of set screw 4 and is less than the diameter of the head of set screw 4, this governor motion also comprises the regulating spring 13 outside the threaded portion being sheathed on set screw 4, the upper end of regulating spring 13 abuts with the first lever 3, and the lower end of regulating spring 13 abuts with main body 1.3 one, the first lever anchorage force upwards given by regulating spring 13, and under the effect of set screw 4 and regulating spring 13, the position of the first lever 3 can self-sustaining, the first lever 3 can be regulated relative to the second lever 10 rotational angle by turning adjusting screw 4.
In order to fix the first lever 3 from horizontal direction, this governor motion also comprises the holding screw 5 for making the first lever 3 fixing relative to main body 1, holding screw 5 is arranged in main body 1, holding screw 5 is between set screw 4 and locating shaft 6, the axis of holding screw 5 and the axes normal of set screw 4, holding screw 5 is threaded with main body 1, and the tail end of holding screw 5 can hold out against the first lever 3.After the first lever 3 mixes up relative to the rotational angle of the second lever 10, make the tail end of holding screw 5 hold out against the outer wall of the first lever 3, thus the first lever 3 is fixed, effectively ensure that the stability of roughness sensor.When the inductance of two groups of coil blocks 2 reaches balance, the pin position of contact pilotage 8 reaches null positions.
A kind of roughness sensor, this roughness sensor contains above-mentioned roughness sensor zero-bit adjust structure, this roughness sensor also comprises the contact pilotage 8 containing the one end being fixed on the second lever 10, contact pilotage 8 is non-dismountable in one end of the second lever 10, this roughness sensor is also containing top guide 7, and this roughness sensor can measure the roughness of optical flat 9.
Because the utility model contact pilotage 8 have employed non-dismountable formula structure, it is even less that the external diameter of top guide 7 can reach Φ 1.9mm, compact size, can measure the inner roughness of aperture of more than Φ 2mm.The minimum dimension of traditional thread connecting mode top guide 7 is Φ 4.2mm.
The above; be only specific embodiment of the utility model, the scope of utility model enforcement can not be limited with it, so the displacement of its equivalent assemblies; or the equivalent variations to do according to the utility model scope of patent protection and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the utility model and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (10)
1. a roughness sensor zero-bit adjust structure, it is characterized in that, described roughness sensor zero-bit adjust structure comprises main body (1), containing the first lever (3) setting up and down and the second lever (10) in main body (1), the two ends of the first lever (3) are equipped with coil block (2), second lever (10) is provided with two magnetic sheets (11) corresponding with two coil blocks (2), first lever (3) and the second lever (10) all can rotate, main body (1) includes the governor motion for adjusting the first lever (3) rotational angle.
2. roughness sensor zero-bit adjust structure according to claim 1, is characterized in that, there is air gap between coil block (2) and magnetic sheet (11).
3. roughness sensor zero-bit adjust structure according to claim 1, it is characterized in that, first lever (3) can rotate around locating shaft (6), locating shaft (6) is fixed in main body (1), and locating shaft (6) is positioned between two coil blocks (2).
4. roughness sensor zero-bit adjust structure according to claim 3, it is characterized in that, second lever (10) can rotate around lever shaft (12), lever shaft (12) is fixed in main body (1), lever shaft (12) is positioned between two magnetic sheets (11), and the position of lever shaft (12) is corresponding with the position of locating shaft (6).
5. roughness sensor zero-bit adjust structure according to claim 4, it is characterized in that, the axis of locating shaft (6) and the axis of lever shaft (12) are arranged all in the horizontal direction, and the axis being parallel of locating shaft (6) is in the axis of lever shaft (12).
6. roughness sensor zero-bit adjust structure according to claim 3, is characterized in that, this governor motion comprises the set screw (4) that the first lever (3) can be regulated relative to the second lever (10) rotational angle.
7. roughness sensor zero-bit adjust structure according to claim 6, it is characterized in that, set screw (4) is arranged in the first lever (3), set screw (4) and main body (1) threaded engagement, set screw (4) is positioned between coil block (2) and locating shaft (6).
8. roughness sensor zero-bit adjust structure according to claim 7, it is characterized in that, the aperture of the through hole that the first lever (3) wears for set screw (4) is greater than the large footpath of the threaded portion of set screw (4) and is less than the diameter of the head of set screw (4), this governor motion also comprises and is sheathed on set screw (4) regulating spring outward (13), one end of regulating spring (13) is connected with the first lever (3), and the other end of regulating spring (13) is connected with main body (1).
9. roughness sensor zero-bit adjust structure according to claim 6, it is characterized in that, this governor motion also comprises the holding screw (5) for making the first lever (3) fixing relative to main body (1), holding screw (5) is arranged in main body (1), holding screw (5) is positioned between set screw (4) and locating shaft (6), the axis of holding screw (5) and the axes normal of set screw (4), holding screw (5) is threaded with main body (1), the tail end of holding screw (5) can hold out against the first lever (3).
10. a roughness sensor, it is characterized in that, this roughness sensor contains the roughness sensor zero-bit adjust structure in claim 1 ~ 9 described in any one claim, and this roughness sensor also comprises the contact pilotage (8) containing the one end being fixed on the second lever (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074518.XU CN204359266U (en) | 2015-02-03 | 2015-02-03 | Roughness sensor zero-bit adjust structure and roughness sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074518.XU CN204359266U (en) | 2015-02-03 | 2015-02-03 | Roughness sensor zero-bit adjust structure and roughness sensor |
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| CN204359266U true CN204359266U (en) | 2015-05-27 |
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| CN201520074518.XU Active CN204359266U (en) | 2015-02-03 | 2015-02-03 | Roughness sensor zero-bit adjust structure and roughness sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370827A (en) * | 2016-11-18 | 2017-02-01 | 安徽理工大学 | Device for detecting integrity of hollow brick |
| CN112709727A (en) * | 2020-12-10 | 2021-04-27 | 上海航天控制技术研究所 | Test system, debugging system and test method of direct-acting hydraulic valve |
-
2015
- 2015-02-03 CN CN201520074518.XU patent/CN204359266U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370827A (en) * | 2016-11-18 | 2017-02-01 | 安徽理工大学 | Device for detecting integrity of hollow brick |
| CN106370827B (en) * | 2016-11-18 | 2018-08-24 | 安徽理工大学 | A kind of detection hollow brick integrity degree device |
| CN112709727A (en) * | 2020-12-10 | 2021-04-27 | 上海航天控制技术研究所 | Test system, debugging system and test method of direct-acting hydraulic valve |
| CN112709727B (en) * | 2020-12-10 | 2022-12-13 | 上海航天控制技术研究所 | Debugging system of direct-acting hydraulic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Zero setting structure of roughness sensor and roughness sensor Effective date of registration: 20180926 Granted publication date: 20150527 Pledgee: Bank of Beijing Zhongguancun branch, Limited by Share Ltd, Haidian Pledgor: Beijing TIME High-technology Ltd. Registration number: 2018990000883 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191022 Granted publication date: 20150527 Pledgee: Bank of Beijing Zhongguancun branch, Limited by Share Ltd, Haidian Pledgor: Beijing TIME High-technology Ltd. Registration number: 2018990000883 |