CN2047370U - Rhombus multirange standard dynamometric instrument - Google Patents
Rhombus multirange standard dynamometric instrument Download PDFInfo
- Publication number
- CN2047370U CN2047370U CN 89204197 CN89204197U CN2047370U CN 2047370 U CN2047370 U CN 2047370U CN 89204197 CN89204197 CN 89204197 CN 89204197 U CN89204197 U CN 89204197U CN 2047370 U CN2047370 U CN 2047370U
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- axle
- elastic body
- measuring
- dynamometry
- rhombus
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Abstract
The utility model relates to a rhombus multirange standard dynamometric instrument which relates to the technical field of load measuring. The utility model is mainly used for measuring the load of material testing machines and sclerometers, and can be used for measuring other forms of load. The utility model is mainly characterized in that the elastomer is rhombic, and each of the two orthogonal force measuring axes arranged on the elastomer can be used as tension axis and pressure axis. The measuring mechanism is a compound measuring mechanism which can measure directly, and can also measure through lever amplifying. The utility model reduces two-thirds of the quantities and the total weight of the series composed of public known dynamometers according to the regulations of the national 136 series and the foreign 125 series, and brings convenience to instrument carrying and measuring work.
Description
The utility model relates to the dynamometry field of measuring techniques, is a kind of calibrating Material Testing Machine, scleroscopic load of being mainly used in, and also can be used for measuring the rhombus multirange standard dynamometer of other form power value.
Known grade IIIstandard dynamometer (hereinafter to be referred as dynamometer) has only a range, and promptly from the 10-100% of limit load, and the load measurement scope of Material Testing Machine is the 4-100% of limit load.A Material Testing Machine is generally three grades of dial plates, i.e. A level (peak load equal Material Testing Machine limit load 1/5), B level (peak load equal Material Testing Machine limit load 1/2), C level (peak load equals the Material Testing Machine limit load).Therefore, the dynamometer that must be equipped with two different sizes during calibrating just can be finished the calibration operation of three grades of dial plates.During for example: examine and determine WF-10(limit load 100KN) universal testing machine, except that dynamometer calibrating C level (peak load 100KN) and B level (peak load 50KN), also to examine and determine its A level dial plate (peak load is 20KN) with the force measuring machine of a 20KN with a 100KN.In addition, known dynamometer has only a dynamometry axle, can only examine and determine a kind of power, it is pull-type dynamometer calibrating pulling force, pressure type dynamometer calibrating pressure also has a kind of known drawing and pressing type dynamometer, but since its structure itself also with pull-type the same with the pressure type dynamometer, has only a dynamometry axle, so also can only select pull-type or wherein a kind of use of pressure type.(this is owing to single dynamometry axle, and elastic body produces big elastic hysteresis under the effect of the positive and negative two kinds of power of tension and compression, cause indicating value inaccurate, directly influences calibration accuracy).Therefore, during the Material Testing Machine (as: German ZDM-10 type universal testing machine) of the force measuring machine of forming by two cover levers respectively with known dynamometer calibrating tension and compression, promptly be with the one-level dial plate, also must examine and determine just and can finish with a pull-type and pressure type dynamometer.The unidirectional force of known dynamometer, the structure of single range in calibrating during Material Testing Machine, must polygamy be equipped with dynamometer and just can finish calibration operation, make troubles to calibration operation.
The purpose of this utility model is: a kind of have two mutually perpendicular dynamometry axles and the disposable measuring mechanism of lever magnification ratio are provided, the equal energy measurement of pulling force and pressure, and its measuring mechanism can directly be measured, also scalable measurement, can obtain to draw, press the steady display value, and give calibration operation and carry the rhombus multirange standard dynamometer that instrument all brings convenience.
Task of the present utility model is achieved in that as shown in drawings, it has elastic body (3), measuring mechanism, dial framework (6) and dial gauge (7) are arranged in the measuring mechanism, special character of the present utility model is: elastic body (3) is a rhombus, mutually perpendicular short dynamometry axle (I) and long dynamometry axle (II) are arranged on the elastic body (3), article two, dynamometry axle (I, II) can make thrust axis, can make pressure axis again, the dial framework (6) and the support (12) of measuring mechanism at elastic body (3) internal fixation, dial framework (6) has (A, B) two holes, the measurement axis of dial gauge (7) can be placed in A hole or the B hole, lever (13) is housed on the support (12), and the A hole site is directly to measure, and the B hole site is the lever measurement by magnification.
Short dynamometry axle of the present utility model (I) has screw thread or pin-and-hole to be connected with measured device with the axle head of long dynamometry axle (II), making to measure pulling force uses, one end of dynamometry axle (I, II) has ball impression, in ball impression, place steel ball (2), steel ball (2) is gone up and is placed upper press cover (1), the screw thread of dynamometry axle (I, the II) other end is connected with base (14), makes gaging pressure and uses.
Dial gauge in the measuring mechanism of the present utility model can be the mechanical type dial gauge, also digital display dial gauge.
Dynamometer of the present utility model because elastic body is rhombus, has mutually perpendicular short dynamometry axle and long dynamometry axle all can make thrust axis and pressure axis on elastic body, and no matter elastic body is subjected to pulling force, still its deformation direction of effect that is stressed is identical.Can be according to user's needs, to lack the dynamometry axle as thrust axis, and will grow the dynamometry axle as pressure axis, perhaps will lack the dynamometry axle as pressure axis, and will grow the dynamometry axle as thrust axis, the former is called pressing-drawing-type (the pressure limit load is big, and the pulling force limit load is little), the latter is called drawing and pressing type (the pulling force limit load is big, and the pressure limit load is little).Also can select directly to measure and lever measurement by magnification dual mode, measure when being worth energetically, the elastic body deflection is big, and with directly measuring, when measuring small value force, the elastic body deflection is little, uses the lever measurement by magnification.Therefore, the dynamometer of a playscript with stage directions utility model can provide and draw, presses both direction to amount to 8 specifications.Dynamometer with limit load 100KN is an example, and formed 8 specifications are as follows:
One, pressing-drawing-type (YLD100/20-30/6)
1, presses to wide range 10-100KN
2, press to journey 2-20KN in a small amount
3, pull to wide range 3-30KN
4, pull to journey 0.6-6KN in a small amount
Two, drawing and pressing type (LYD100/20-30/6)
1, pulls to wide range 10-100KN
2, pull to journey 2-20KN in a small amount
3, press to wide range 3-30KN
4, press to journey 0.6-6KN in a small amount
The expression of the utility model model: LYD100/20-30/6
Wherein: LYD-drawing and pressing type multirange, the peak load of 100-major axis wide range, the peak load of the little range of 20-major axis, the peak load of 30-minor axis wide range, the peak load of the little range of 6-minor axis.
Dynamometer of the present utility model, with measurement range 5N-300KN commonly used, by the regulation of domestic 136 series and external 125 series, whole ranges can toppedly be drawn, press to 7 of serial platform number usefulness just, reduces 2/3rds than known dynamometer platform number.With the dynamometer of a playscript with stage directions utility model, not only can examine and determine three grades of dial plates of a Material Testing Machine of corresponding specification, can also examine and determine six grades of dial plates of two Material Testing Machine of adjacent-specification, give calibration operation and carry instrument all to bring convenience; Its precision is 0.3%, and it is identical with known dynamometer that every technical indicator meets the requirement of JB1442-74 " grade IIIstandard dynamometer technical conditions " and JJG144-82 " grade IIIstandard dynamometer " vertification regulation.
Accompanying drawing has been described an embodiment of the present utility model.
Accompanying drawing 1 is the dynamometer structural representation
Accompanying drawing 2 is minor axis (I) cross-sectional schematic
See figures.1.and.2, elastic body (3) is made rhombus, mutually perpendicular short dynamometry axle (I) and long dynamometry axle (II) are arranged on the elastic body (3), its two dynamometry axle (I, II) 4 axle heads all have screw thread or pin-and-hole, dynamometry axle (I, II) a end has ball impression, dial framework in the measuring mechanism (6) is fixed on together with elastic washer (4) by last axle (5) in the upper screwed hole of short dynamometry axle (I) of elastic body (3), on the crossbeam of dial framework (6) (A is arranged, B) two holes, be used for installing dial gauge (7), dial gauge (7) is clamped on the crossbeam of dial framework (6) with milled screw (15), the A hole is used for direct measurement, and the B hole is used for the lever measurement by magnification.Support (12) is fixed on screw (11) in the following threaded hole of short dynamometry axle (I) of elastic body (3), and lever (13) is placed in by lever shaft (10) in the bearing (16) of support (12), is not horizontal during dynamometry.Settle pillar (8) in the hole of lever (13).All there is ball impression at the two ends of pole (18), inlay steel ball (17,19) in the ball impression, and steel ball (17) contacts with the ball impression of last axle (5), and steel ball (19) contacts with the ball impression of pillar (8), pole (18) can be unloaded when not measuring.The upper end of support spring (9) is contained in the hole of lever (13) baseplane, and its lower end is contained in the hole of support (12) fixed head.
When short dynamometry axle (I) is selected gaging pressure, in the ball impression of short dynamometry axle (I) end of elastic body (3), place steel ball (2), go up placement upper press cover (1) at steel ball (2), the other end of the short dynamometry axle (I) of elastic body (3) is threaded with base (14).Pressure acts on the upper press cover (1), pass to elastic body (3) by steel ball (2), because the reacting force of base (14), elastic body (3) produces distortion (flattening), at this moment, dial framework in the measuring mechanism (6) moves down together with dial gauge (7), and support (12) moves up together with lever (13), because the effect of pole (18), former lever (13) left end that is in horizontal level is forced to descend, and right-hand member is upturned, and promotes dial gauge (7) measurement axis, measures the dependent variable of elastic body (3).Elastic body (3) deformation design under the effect of wide range limit load is 5 millimeters, is deformed into 1 millimeter under the effect of a small amount of way limit load, obtains 7 millimeters distortion indicating value after amplifying by the 7:1 lever.When long dynamometry axle (II) was selected to measure pulling force, because long dynamometry axle (II) the direction elongation in elastic body (3) edge, its principle of work was identical when selecting gaging pressure with short dynamometry axle (I).
When short dynamometry axle (I) selects to measure pulling force or long dynamometry axle (II) selection gaging pressure, because elastic body (3) is along short dynamometry axle (I) direction elongation, former lever (13) left end that is in horizontal level is upturned by spring (9) effect, and right-hand member moves down, it is 10 millimeters that dial gauge (7) gives decrement, reads the dependent variable of elastic body (3) from The Scarlet Letter displayed value of dial gauge (7).
Claims (2)
1, a kind ofly be used to measure the power value, particularly examine and determine Material Testing Machine, the rhombus multirange standard dynamometer of sclerometer load, comprise: elastic body (3) and measuring mechanism are formed, dial framework (6) and dial gauge (7) are arranged in the measuring mechanism, it is characterized in that: elastic body (3) is a rhombus, mutually perpendicular short dynamometry axle (I) and long dynamometry axle (II) are arranged on the elastic body (3), the dial framework of measuring mechanism (6) is fixed on by last axle (5) in the upper screwed hole of short dynamometry axle (I) of elastic body (3), dial framework has (A on (6), B) two holes, the measurement axis of dial gauge (7) is placed in A hole or the B hole, support (12) is fixed on by screw (11) in the following threaded hole of short dynamometry axle (I) of elastic body (3), and lever (13) is placed in the bearing (16) of support (12) by lever shaft (10).
2, rhombus multirange standard dynamometer according to claim 1 is characterized in that: the axle head of short dynamometry axle (I) and long dynamometry axle (II) has screw thread or pin-and-hole, and an end of the axle head of dynamometry axle (I, II) has ball impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89204197 CN2047370U (en) | 1989-04-13 | 1989-04-13 | Rhombus multirange standard dynamometric instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89204197 CN2047370U (en) | 1989-04-13 | 1989-04-13 | Rhombus multirange standard dynamometric instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2047370U true CN2047370U (en) | 1989-11-08 |
Family
ID=4861607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89204197 Expired - Lifetime CN2047370U (en) | 1989-04-13 | 1989-04-13 | Rhombus multirange standard dynamometric instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2047370U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324311C (en) * | 2005-04-29 | 2007-07-04 | 中国船舶重工集团公司第十二研究所 | Method for calibrating universal material pull-test machine |
| CN102661904A (en) * | 2012-05-03 | 2012-09-12 | 浙江省计量科学研究院 | Calibrator for rebound value of resiliometer and testing method for rebound value of resiliometer |
| CN103134620A (en) * | 2011-11-26 | 2013-06-05 | 泰科思有限责任公司 | Force-sensing device for measuring a traction-and/or pressure force load in structure |
| CN104316314A (en) * | 2014-11-18 | 2015-01-28 | 河海大学常州校区 | Big sensor and small sensor switching structure with pin shafts arranged side by side |
| CN105716765A (en) * | 2016-02-01 | 2016-06-29 | 西安交通大学 | Force measuring device and method capable of changing magnitude of applied force continuously |
| CN106990008A (en) * | 2017-03-02 | 2017-07-28 | 吉林市江机民科实业有限公司 | The special calibrating instrument of Rockwell apparatus Direct Test method |
| CN110530491A (en) * | 2019-09-05 | 2019-12-03 | 湖北省计量测试技术研究院 | Novel puller is used in hang hook steelyard calibrating |
-
1989
- 1989-04-13 CN CN 89204197 patent/CN2047370U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324311C (en) * | 2005-04-29 | 2007-07-04 | 中国船舶重工集团公司第十二研究所 | Method for calibrating universal material pull-test machine |
| CN103134620A (en) * | 2011-11-26 | 2013-06-05 | 泰科思有限责任公司 | Force-sensing device for measuring a traction-and/or pressure force load in structure |
| CN103134620B (en) * | 2011-11-26 | 2016-12-28 | 泰科思有限责任公司 | Tensile load in measurement structure and/or the force measuring device of pressure load |
| CN102661904A (en) * | 2012-05-03 | 2012-09-12 | 浙江省计量科学研究院 | Calibrator for rebound value of resiliometer and testing method for rebound value of resiliometer |
| CN104316314A (en) * | 2014-11-18 | 2015-01-28 | 河海大学常州校区 | Big sensor and small sensor switching structure with pin shafts arranged side by side |
| CN104316314B (en) * | 2014-11-18 | 2016-11-30 | 河海大学常州校区 | Bearing pin side-by-side size sensor transformational structure |
| CN105716765A (en) * | 2016-02-01 | 2016-06-29 | 西安交通大学 | Force measuring device and method capable of changing magnitude of applied force continuously |
| CN106990008A (en) * | 2017-03-02 | 2017-07-28 | 吉林市江机民科实业有限公司 | The special calibrating instrument of Rockwell apparatus Direct Test method |
| CN110530491A (en) * | 2019-09-05 | 2019-12-03 | 湖北省计量测试技术研究院 | Novel puller is used in hang hook steelyard calibrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |