CN202676161U - Resistance strain type level gauge - Google Patents
Resistance strain type level gauge Download PDFInfo
- Publication number
- CN202676161U CN202676161U CN 201220278881 CN201220278881U CN202676161U CN 202676161 U CN202676161 U CN 202676161U CN 201220278881 CN201220278881 CN 201220278881 CN 201220278881 U CN201220278881 U CN 201220278881U CN 202676161 U CN202676161 U CN 202676161U
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- elastic strain
- strain
- seal case
- resistance
- support bar
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Abstract
The utility model relates to a resistance strain type level gauge, which comprises a left sealing box body and a right sealing body which are used for placing liquids with high specific gravity (e.g. water silver and the like), elastic strain beams, a support bar and a base, wherein the base is fixedly connected with the two elastic strain beams and the left and the right sealing bodies respectively through the support bar; the left and the right sealing bodies are placed on the two elastic strain beams respectively; and resistance strain sheets are bonded on the two elastic strain beams respectively. According to the utility model, the elastic strain beams are utilized for testing, so that the level gauge is simple and reliable; an output difference valve of the two elastic strain beams with completely consistent performance is utilized for performing comparison, so that a measuring method is simple and reliable, and the data is accurate. Therefore, the level gauge provided by the utility model can be applied to various situations, and can be conveniently connected with a detecting device (such as a strain telemetry system) or a computer. The level gauge is more suitable for detection and monitoring of a horizontal position in a high altitude and a long distance.
Description
Technical field
The utility model relates to a kind of level meter, the level meter of especially a kind of installation for various machineries and other equipment, debugging and supervision horizontal level, upright position.
Background technology
Level meter is mainly used in the linearity of the various lathes of check and other type equipment guide rail and horizontal level and the upright position that equipment is installed.Mainly contain in the market the kinds such as air-bubble level, electrolevel and laser leveler.Main application scenario is the detection in installation, debugging, horizontal level and the upright position of various lathes and other equipment.But can't be suitable for and high-altitude, at a distance detection and the supervision of horizontal level.
Summary of the invention
The utility model is that a kind of resistance-strain type level meter will be provided, this level meter can not only be applied to the detection occasion of installation, debugging, horizontal level and the upright position of various machineries and other equipment, and easy to connect with detecting instrument or computing machine, more applicable and high-altitude, at a distance detection and the supervision of horizontal level.
For achieving the above object, the technical solution of the utility model is: a kind of resistance-strain type level meter, comprise the left and right seal case, elastic strain beam, support bar and the base that are placed with high specific gravity liquid, be characterized in: be fixedly connected with respectively two elastic strain beams and left and right seal case by support bar above the base, and left and right seal case is placed on respectively on two elastic strain beams, posts respectively resistance strain gage on two elastic strain beams.
Left and right seal case is trapezium structure wide at the top and narrow at the bottom, with the connecting hole of support bar be circular hole, in the base, the circular hole upper surface of left seal case 1 is the inclined-plane, the circular hole lower surface of right seal case is the inclined-plane, left and right seal case is stacked together by the connecting hole inclined-plane on it, forms a plane and is connected with support bar, and the overall height after two connecting holes are stacked together is 1/3 ~ 1/2 of seal case body height.
The elastic strain beam is respectively arranged one in the support bar both sides, and resistance strain gage sticks on the nearly strong point place of elastic strain beam.
The elastic strain girder construction is a thin type rectangular parallelepiped beam, is I-shape construction near the stiff end of rectangular parallelepiped beam, and the note resistance strain gage is glued at the I-shape construction place.
The beneficial effects of the utility model are:
1. utilize the elastic strain beam to test, simple and reliable.
2. it is simple and reliable to utilize two the on all four elastic strain beam output of performance differences to compare measuring method, and data are accurate.
3. can use and various occasions, and detecting instrument (such as the telemetering of strain system) or computing machine are easy to connect, detection more applicable and high, at a distance horizontal level with monitor more applicable and high-altitude, at a distance detection and the supervision of horizontal level.
Description of drawings
Fig. 1 is that the utility model is at the horizontal level structural representation;
Fig. 2 is that the utility model is at the obliquity structural representation;
Fig. 3 is left seal case structural front view;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the vertical view of Fig. 3;
Fig. 6 is right seal case structural front view;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the vertical view of Fig. 6;
Fig. 9 is elastic strain beam elastic strain beam stress figure;
Figure 10 is elastic strain girder construction synoptic diagram;
Figure 11 is the supporting bar structure synoptic diagram.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Such as Fig. 1, shown in 2, resistance-strain type level meter of the present invention comprises the left and right seal case 3,4 that is placed with high specific gravity liquid (such as mercury etc.), elastic strain beam 5, support bar 2, base 1, resistance strain gage, set nut 6 etc.
Be fixedly connected with respectively two elastic strain beams 5 and left and right seal case 3,4 by support bar 2 above the base 1, and left and right seal case 3,4 is placed on respectively on two elastic strain beams 5, posts respectively resistance strain gage on two elastic strain beams 5.
When measurand is horizontal, high specific gravity liquid in the both sides sealing casing of this novel resistance-strain type level meter such as mercury etc. are in horizontality, the consistent elastic strain beam stress of this moment of two performances under the both sides sealing casing is identical, both export difference is zero, and namely A-B=0 sees Fig. 1.When measurand is not horizontal to lopsidedness, liquid in the both sides sealing casing still is in horizontality, but the center of gravity of liquid is to the rear downside skew of tilting, this moment, two consistent elastic strain beam stress of performance produced difference under the both sides sealing casing, it is non-vanishing that both export difference, and namely Fig. 2 is seen in A-B ≠ 0.Judge that accordingly measurand is not horizontal, or roll oblique A-B＞0 to A, or roll oblique A-B＜0 to B.By adjusting the position of measurand, making two consistent elasticity of performance should export difference is zero, and A-B=0 can make measurand be in horizontality.
Extremely shown in Figure 8 such as Fig. 3, left and right seal case 3,4 are trapezium structure wide at the top and narrow at the bottom, with the connecting hole of support bar be circular hole, in the base, the circular hole upper surface of left seal case 13 is inclined-plane (Fig. 3), the circular hole lower surface of right seal case 4 is inclined-plane (Fig. 6), left and right seal case is stacked together by the connecting hole inclined-plane on it, forming a plane is connected with support bar, overall height after two connecting holes are stacked together is 1/3 ~ 1/2 of seal case body height, can improve stress condition.Store high specific gravity liquid (such as mercury etc.) in the seal case, utilize seal case to tilt after, internal reservoir high specific gravity liquid (such as mercury etc.) is that the variation of centre of gravity place forms testing conditions in the locus that its cavity occupies.Seal case is trapezium structure wide at the top and narrow at the bottom, makes more concentrated being applied on the elastic strain beam of liquid weight.Material is light material.Respectively arrange one in the support bar both sides.It is connected with the circular hole that is connected to of support bar, and the circular arc in this hole is major arc, adopts major arc can make it easy to connect reliable and can reduce deadweight.
As shown in Figure 9, elastic strain beam 5 is used for sensing by the elastic strain deflection of beam stress of the variation generation of liquid centre of gravity place.Respectively arrange one in support bar 2 both sides.Ultimate principle by the mechanics of materials learns that the bending stress of its strong point changes thereupon when acting force changes in the position of a semi-girder application point, and the bending stress of the strong point is maximum.M=P×L。Resistance strain gage is sticked on the nearly strong point place of elastic strain beam, utilize the maximum stress at strong point place of the principle of work testing elastic strain beam of resistance strain gage.This moment, two elastic strain beams respectively had test value A and the B of oneself.
As shown in figure 10, the elastic strain girder construction is a thin type rectangular parallelepiped beam, front end is elastic strain beam girder 7, the rear end is elastic strain beam stiff end 8, near the stiff end of rectangular parallelepiped beam, be I-shape construction 9, the note resistance strain gage is glued at I-shape construction 9 places, utilizes the maximum stress of stiff end vicinity of the principle of work testing elastic strain beam of resistance strain gage.
As shown in figure 11, support bar 2 is cylindrical, is used for supporting, connects left and right seal case 3,4, elastic strain beam 5 and base 1.Its bind mode is spiral marking connection.
Set nut 6 matches with support bar 2 screw threads, is used for fixing left and right seal case 3,4 and elastic strain beam 5.Can adopt the standard serrated nut.Base 1 is the level meter benchmark, contacts with measurand.Can adopt conventional level meter base.
Principle of work of the present utility model:
This novel resistance-strain type level meter is placed in the detection surface of measurand, when measurand is horizontal, high specific gravity liquid in the both sides sealing casing of this novel resistance-strain type level meter (such as mercury etc.) is in horizontality, the consistent elastic strain beam stress of this moment of two performances under the both sides sealing casing is identical, both export difference is zero, and namely A-B=0 sees Fig. 1.When measurand is not horizontal to lopsidedness, high specific gravity liquid in the both sides sealing casing (such as mercury etc.) still is in horizontality, but the center of gravity of liquid is to the rear downside skew of tilting, this moment, two consistent elastic strain beam stress of performance produced difference under the both sides sealing casing, it is non-vanishing that both export difference, and namely Fig. 2 is seen in A-B ≠ 0.Judge that accordingly measurand is not horizontal, or roll oblique A-B＞0 to A, or roll oblique A-B＜0 to B.By adjusting the position of measurand, making two consistent elastic strain beam output differences of performance is zero, and A-B=0 can make measurand be in horizontality.
Claims (4)
1. resistance-strain type level meter, comprise the left and right seal case (3 that is placed with high specific gravity liquid, 4), the elastic strain beam 95), support bar (2) and base (1), it is characterized in that: be fixedly connected with respectively two elastic strain beams (5) and left and right seal case (3 by support bar (2) above the described base (1), 4), and left and right seal case (3,4) be placed on respectively on two elastic strain beams (5), post respectively resistance strain gage on two elastic strain beams (5).
2. resistance-strain type level meter according to claim 1, it is characterized in that: described left and right seal case (3,4) be trapezium structure wide at the top and narrow at the bottom, with the connecting hole of support bar be circular hole, wherein, the circular hole upper surface of left seal case (3) is the inclined-plane, the circular hole lower surface of right seal case (4) is the inclined-plane, left and right seal case is stacked together by the connecting hole inclined-plane on it, form a plane and be connected with support bar, the overall height after two connecting holes are stacked together is 1/3 ~ 1/2 of seal case body height.
3. resistance-strain type level meter according to claim 1, it is characterized in that: described elastic strain beam (5) is respectively arranged one in support bar (2) both sides, resistance strain gage sticks on the nearly strong point place of elastic strain beam (5).
4. according to claim 1 or 3 described resistance-strain type level meters, it is characterized in that: described elastic strain beam (5) structure is a thin type rectangular parallelepiped beam, be I-shape construction (9) near the stiff end of rectangular parallelepiped beam, I-shape construction (9) is located sticking note resistance strain gage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220278881 CN202676161U (en) | 2012-06-14 | 2012-06-14 | Resistance strain type level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220278881 CN202676161U (en) | 2012-06-14 | 2012-06-14 | Resistance strain type level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676161U true CN202676161U (en) | 2013-01-16 |
Family
ID=47497060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220278881 Withdrawn - After Issue CN202676161U (en) | 2012-06-14 | 2012-06-14 | Resistance strain type level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706325A (en) * | 2012-06-14 | 2012-10-03 | 上海应用技术学院 | Resistance strain type level meter |
| CN105973192A (en) * | 2016-05-14 | 2016-09-28 | 平顶山学院 | Aerial survey meter for mountain-based vegetation zones and vertical vegetation zones |
-
2012
- 2012-06-14 CN CN 201220278881 patent/CN202676161U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706325A (en) * | 2012-06-14 | 2012-10-03 | 上海应用技术学院 | Resistance strain type level meter |
| CN102706325B (en) * | 2012-06-14 | 2014-04-16 | 上海应用技术学院 | Resistance strain type level meter |
| CN105973192A (en) * | 2016-05-14 | 2016-09-28 | 平顶山学院 | Aerial survey meter for mountain-based vegetation zones and vertical vegetation zones |
| CN105973192B (en) * | 2016-05-14 | 2018-07-17 | 平顶山学院 | The massif base zone of vegetation and Vertical vegetation zone aerial survety instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20140416 |
|
| RGAV | Abandon patent right to avoid regrant |