CN203929494U - A kind of for scleroscopic power sensor limiter mechanism - Google Patents
A kind of for scleroscopic power sensor limiter mechanism Download PDFInfo
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- CN203929494U CN203929494U CN201420320641.0U CN201420320641U CN203929494U CN 203929494 U CN203929494 U CN 203929494U CN 201420320641 U CN201420320641 U CN 201420320641U CN 203929494 U CN203929494 U CN 203929494U
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- support bar
- power sensor
- spring base
- orienting sleeve
- sill
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- 239000007788 liquid Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 22
- 238000003825 pressing Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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Abstract
A kind of for scleroscopic power sensor limiter mechanism, for the high-acruracy survey realizing on the accurate hardness tester of a station symbol within the scope of gamut provides a kind of scleroscopic limiter of power sensor mechanism for 2 different ranges of height, feature is that support bar orienting sleeve is installed below middle cross beam, in support bar orienting sleeve, support bar is installed, spring base is also installed below middle cross beam, spring is installed in spring base, sill is installed in lower end at support bar, between support bar orienting sleeve and sill, there is the first gap, installing force sensor between spring base and sill, beneficial effect is, the sensor of can exerting all one's strength only bears the test force in its range ability, test force higher than its range, by support bar orienting sleeve, sill and pressing head seat are delivered on pressure head, so just can realize less test force lower range force sensor measuring, larger test force high range force sensor measuring, and reduced manufacturing cost, be convenient to realize suitability for industrialized production and apply.
Description
Technical field
The utility model belongs to hardness detection technique field, particularly a kind of for scleroscopic power sensor limiter mechanism.
Background technology
Existing electric loading high-precision hardness tester all only adopts a power sensor.The reheat range that hardness examination criteria requires is wider, and for example, Vickers hardness requires from 1Kg to 100Kg, and Rockwell's hardness requires from 3Kg to 150Kg, and Brinell hardness requires from 187.5Kg to 3000Kg.For the confidential high precision that warranty test power is measured in such wide region of high-precision standard hardness, with a power sensor, be difficult to accomplish, reason is that the measuring accuracy of power sensor is that number percent (FS%) according to full scale provides.The standard hardness machine that is applied to hardness number transmission of quantity value is a kind of sclerometer higher to dynamometry accuracy requirement, confidential the asking of standard hardness has unified high precision within the scope of gamut, for example Brinell hardness Standard Machine requires within the scope of gamut, all to have 0.1% afterburning precision, adopts an independent force cell at the low side of range, to be just difficult to reach the afterburning precision of regulation.In order to reach the requirement of such high-acruracy survey within the scope of compared with wide-range, need the extremely expensive special sensor of special customization to realize, due to expensive, be difficult to apply.In the prior art, in the face of such problem, normally, by contract measurement scope, with the high-precision hardness tester of two different ranges, replace a wide-range hardness standard machine.
Application number is that 2013202810381 utility model discloses a kind of planer-type Brinell hardness proving installation, this device adopts a power sensor, and a buffer gear is set in the upper end of pressure head assembly, described pressure head assembly comprises sclerometer main shaft, pressure head, the power sensor being connected with sclerometer main shaft and the buffer body that is arranged on power sensor upper end, this device wishes to pass through buffer gear controlled pressure effectively, in fact, this device is just installed a buffer body in power sensor upper end, a back-moving spring is installed above buffer body, the effect of buffer gear is just controlled applying the speed of test force, avoid producing and impact, size that can not Control experiment power.
The utility model of application number-be 90226136 discloses a kind of double-range power sensor, and this double-range power sensor is for the static experiment in rocket engine thrust ground and electronic scales.This double-range power sensor forms one-piece construction by the elastic body series winding of two ranges of size, gapped between small-range elastic body and base, the requirement that high thrust and low thrust are measured respectively can be met, thereby the higher measuring accuracy of realization in wider range ability can be met.But this double-range power sensor is also a sensor, in fact, on two ranges of height of such power sensor, realize high-acruracy survey is difficult to simultaneously, such power sensor needs special customization, and expensive, is difficult to realize suitability for industrialized production.Especially the elastic body series winding of two ranges of size is formed to an integral body, power sensor with respect to single range is all increasing difficulty aspect manufacture, compensation and correction, also the measuring accuracy of the double-range power sensor that this patent is related is difficult to realize high precision, so can only reach 0.1%.Can not meet the designing requirement of 0.1% afterburning precision, because will meet 0.1% afterburning precision, the measuring accuracy of the power sensor in afterburner system will exceed a rank, at least will reach 0.03%.
In order to realize the high-acruracy survey within the scope of gamut on the accurate hardness tester of a station symbol, and reduce manufacturing cost, the applicant has proposed the technical conceive of the standard hardness machine of 2 high-precision force sensors of a kind of employing, 2 the high-precision force sensors of connecting on the axis by the measurement main shaft at the accurate hardness tester of a station symbol, but, the power sensor of 2 different ranges if connected in one is measured axis system, when applying larger test force, power sensor compared with small-range will damage because of overload, so need to design a kind of limiter mechanism that can protect small-measuring range force transducer.
Summary of the invention
Problem to be solved in the utility model is; overcome the deficiencies in the prior art part; provide a kind of for the scleroscopic limiter of two power sensors mechanism; so that small-measuring range force transducer is carried out to limiter protection, for the high-acruracy survey realizing within the scope of gamut on the accurate hardness tester of a station symbol provides a necessary mechanism.
The technical solution adopted in the utility model comprises power sensor, middle cross beam, pressing head seat and pressure head, support bar orienting sleeve is installed below described middle cross beam, in support bar orienting sleeve, support bar is installed, spring base is also installed below middle cross beam, spring is installed in spring base, sill is installed in lower end at described support bar, between support bar orienting sleeve and sill, there is the first gap, between spring base and middle cross beam, there is the second gap, installing force sensor between described spring base and sill.
Described middle cross beam is a structural member, comprises a casing, has a nut seat to be processed with support bar mounting hole on the base plate of casing or top board, at the base plate center of casing processed springs seat installing blind on the top board of casing.
In described spring base installing blind, be installed with spring base orienting sleeve.
Below described nut seat, be provided with an oil storage pool.
On the upper position higher than liquid level of described oil storage pool (7-9), be provided with vent port (7-4) and oil spilling hole (7-5).
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model sensor of can exerting all one's strength only bears the test force in its range ability, test force higher than its range, pass through orienting sleeve, sill and pressing head seat are delivered on pressure head, so just just can realize less test force measures with small-measuring range force transducer, larger test force is measured with large range stress sensor, for the high-acruracy survey that adopts the power sensor of 2 different ranges to realize within the scope of gamut on the accurate hardness tester of a station symbol provides a necessary limiter mechanism, make one of them power sensor for measure range compared with lower part, another power sensor divides for measuring the higher part of range, for each power sensor, dwindled measurement range, relatively improved the measuring accuracy in measurement range, thereby can guarantee to realize the high-acruracy survey within the scope of gamut on the accurate hardness tester of a station symbol, compare with a double-range power sensor of use, can realize higher measuring accuracy, measuring accuracy can reach 0.03%, thereby meet the afterburning precision about standard hardness machine in hardness test standard (GB/T231.3) and will reach 0.1% designing requirement.In addition, owing to adopting the power sensor of 2 single ranges, reduced manufacturing cost, do not needed special customization, be convenient to realize suitability for industrialized production and apply.
(2) the utility model is provided with oil storage pool on middle cross beam, during use, add therein lubricating oil, in each measuring process of standard hardness machine, capital is taken the lubricating oil in oil storage pool in screw to by leading screw, play self-lubricating function, guaranteed long-term reliability and the serviceable life of sclerometer work.
(3) the utility model is installed with spring base orienting sleeve in spring base installing blind, can play the guiding role to spring base; The corresponding support bar orienting sleeve of installing below support bar mounting hole is installed support bar in support bar orienting sleeve simultaneously, can play the guiding role to support bar, owing to adopting spring base orienting sleeve and support bar orienting sleeve simultaneously, makes complete machine work more reliable and more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the main pseudosection of middle cross beam of the present invention;
Fig. 3 is the vertical view of Fig. 2.
In figure:
1. descend clamp nut, 2. the first gap, 3. support bar orienting sleeve,
4. support bar, 5. spring base orienting sleeve, 6. tightens nut,
7. middle cross beam,
7-1. casing, 7-2. square hole, 7-3. positioning step,
7-4. vent port, 7-5. oil spilling hole, 7-6. oil drain hole,
7-7. spring base installing blind, 7-8. support bar mounting hole,
7-9. oil storage pool, 7-10. slide block mounting hole, 7-11 nut seat,
8. spring, 9. spring base, 10. the second gap, 11 power sensors,
12. pressing head seats, 13. pressure heads, 14. sills.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the present invention includes power sensor 11, middle cross beam 7 and pressure head 13, below described middle cross beam 7, support bar orienting sleeve 3 is installed, support bar 4 is installed in support bar orienting sleeve, spring base 9 is also installed below middle cross beam 7, spring 8 is installed in spring base 9, sill 14 is installed in lower end at described support bar 4, between support bar orienting sleeve 3 and sill 14, there is the first gap 2, between spring base 9 and middle cross beam 7, there is the second gap 10, installing force sensor 11 between described spring base 9 and sill 14;
Described crossbeam 7 is a welding structural element or cast structure part, middle cross beam 7 has 6 casing 7-1, on the top board of casing 7-1, there is a nut seat 7-11, below nut seat 7-11, be provided with an oil storage pool 7-9, on position higher than liquid level on oil storage pool 7-9, be provided with vent port 7-4 and oil spilling hole 7-5, specifically can on the top board of casing 7-1 or on the sidewall of nut seat 7-11, be provided with vent port 7-4 and oil spilling hole 7-5, the top board left and right sides of described casing 7-1 is processed with square hole 7-2, be convenient to install support bar 4 upper ends on screw nut 6, on the left plate of casing 7-1 and right plate, be processed with respectively slide block mounting hole 7-10 and positioning step 7-3, in the base plate left and right sides of casing 7-1, be processed with support bar mounting hole 7-8, in the base plate lower surface center of casing 7-1, be provided with a spring base installing blind 7-7, mounting spring seat 9 in spring base installing blind 7-7, in spring base installing blind 7-7, be also installed with spring base orienting sleeve 5, so that spring base 9 is play the guiding role, in spring base 9, mounting spring 8, it between spring base 9 and middle cross beam 7, is the second gap 10, the corresponding support bar orienting sleeve 3 of installing below the support bar mounting hole 7-8 of 2 of left and right, support bar 4 is installed in support bar orienting sleeve 3, sill 14 fixing by the backspin jack panel 1 of support bar lower end is installed in the lower end of 2 support bars 4, between support bar orienting sleeve 4 and sill 14, there is the first gap 2, there is a center bolt lower end of spring base 9, this center bolt power sensor 11 connects, center pit at sill 14 is provided with pressing head seat 12, pressure head 13 is installed in pressing head seat 12 lower ends, pressing head seat 12 upper ends are connected with power sensor 11, i.e. installing force sensor 11 between spring base 12 and sill 14.
During use, by casing 7-1, by the slide block mounting hole 7-10 of the left and right sides, be connected with slide block 6, and locate by positioning step 7-3, upper surface at nut seat 7-11 is installed screw, by screw, connect leading screw, with by servomotor, reductor, shaft coupling, the augmentor that leading screw and screw form couples together, during work, servomotor is started working under microcomputer is controlled, by reductor and shaft coupling, drive leading screw to rotate, screw promotes middle cross beam and moves down along guide rail by slide block under the effect of leading screw, when pressure head 13 touches after standard block of hardness to be measured, the test force being applied on pressure head 13 increases gradually, this test force is by pressing head seat 12, power sensor 11, and spring base 9 is compressed spring 8, now, sill 14 and support bar 4 are promoted synchronously to move up by pressing head seat 12, the first gap 2 between sill 14 and support bar orienting sleeve 3 dwindles gradually, the second gap 10 between spring base 9 and middle cross beam 7 also dwindles thereupon, in this process, the suffered test force of pressure head 13 is all by power sensor 11, power sensor 11 transmits test force signal to measuring system.When test force value reaches the full scale value of power sensor 11, sill 14 contacts with support bar orienting sleeve 3, the first gap 2 therebetween disappears, the second gap 10 between spring base 9 and middle cross beam 7 still exists, while continuing reinforcing, test force by power sensor 11 no longer increases, thereby power sensor 11 has been played to limiter effect, and protection sensor 11 is not damaged; Now, test force is delivered on sill 14 and pressing head seat 12 and pressure head 13 by support bar orienting sleeve 3, like this, has just solved the power value restricted problem of power sensor 11.In measuring afterburning process, total Test power all can be delivered on another high precision and large measuring range power sensor of connecting on the axis of the measurement main shaft of standard hardness machine by worktable, when test force is greater than the full scale value of power sensor 11, test force is detected by large range stress sensor, send measuring-signal to measuring system, thereby can guarantee to realize the high-acruracy survey within the scope of gamut on the accurate hardness tester of a station symbol.
Claims (5)
1. one kind for scleroscopic power sensor limiter mechanism, comprise power sensor (11), middle cross beam (7) and pressure head (13), it is characterized in that, support bar orienting sleeve (3) is installed below described middle cross beam (7), support bar (4) is installed in support bar orienting sleeve (3), spring base (9) is also installed below middle cross beam (7), spring (8) is installed in spring base (9), sill (14) is installed in lower end at described support bar (4), between support bar orienting sleeve (3) and sill (14), there is the first gap (2), installing force sensor (11) between described spring base (9) and sill (14).
2. a kind of for scleroscopic power sensor limiter mechanism according to claim 1, it is characterized in that, described middle cross beam (7) is a structural member, comprise a casing (7-1), on the top board of casing (7-1), there is a nut seat (7-11), on the base plate of casing (7-1) or top board, be processed with support bar mounting hole (7-8), at the base plate center of casing (7-1) processed springs seat installing blind (7-7).
3. a kind ofly according to claim 2 for scleroscopic power sensor limiter mechanism, it is characterized in that, in described spring base installing blind (7-7), be installed with spring base orienting sleeve (5).
4. a kind ofly according to claim 2 for scleroscopic power sensor limiter mechanism, it is characterized in that, in described nut seat (7-11) below, be provided with an oil storage pool (7-9).
5. a kind ofly according to claim 4 for scleroscopic power sensor limiter mechanism, it is characterized in that, on the upper position higher than liquid level of described oil storage pool (7-9), be provided with vent port (7-4) and oil spilling hole (7-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320641.0U CN203929494U (en) | 2014-06-17 | 2014-06-17 | A kind of for scleroscopic power sensor limiter mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320641.0U CN203929494U (en) | 2014-06-17 | 2014-06-17 | A kind of for scleroscopic power sensor limiter mechanism |
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| CN203929494U true CN203929494U (en) | 2014-11-05 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698912A (en) * | 2016-03-15 | 2016-06-22 | 梅特勒-托利多(常州)精密仪器有限公司 | Pneumatic test device and test method for measuring two column-type weighing sensors at one time on force standard machine |
| CN106644211A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Force measuring device |
| CN106644210A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Force measurement device for cylindrical workpiece |
| CN107131985A (en) * | 2017-06-15 | 2017-09-05 | 中国水利水电科学研究院 | Spoke type grading pressure detection device |
| CN109211699A (en) * | 2018-09-20 | 2019-01-15 | 廖淼帆 | A kind of electronic component rigidity detection device |
| CN112504830A (en) * | 2021-02-07 | 2021-03-16 | 江西省江铜耶兹铜箔有限公司 | Copper foil tension testing device |
-
2014
- 2014-06-17 CN CN201420320641.0U patent/CN203929494U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644211A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Force measuring device |
| CN106644210A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Force measurement device for cylindrical workpiece |
| CN106644211B (en) * | 2015-10-30 | 2022-04-22 | 中石化石油工程技术服务有限公司 | Force measuring device |
| CN105698912A (en) * | 2016-03-15 | 2016-06-22 | 梅特勒-托利多(常州)精密仪器有限公司 | Pneumatic test device and test method for measuring two column-type weighing sensors at one time on force standard machine |
| CN107131985A (en) * | 2017-06-15 | 2017-09-05 | 中国水利水电科学研究院 | Spoke type grading pressure detection device |
| CN107131985B (en) * | 2017-06-15 | 2023-10-31 | 中国水利水电科学研究院 | Spoke type grading pressure detection device |
| CN109211699A (en) * | 2018-09-20 | 2019-01-15 | 廖淼帆 | A kind of electronic component rigidity detection device |
| CN112504830A (en) * | 2021-02-07 | 2021-03-16 | 江西省江铜耶兹铜箔有限公司 | Copper foil tension testing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201218 Address after: No. 17-1 Wensu street, Hunnan District, Shenyang City, Liaoning Province Patentee after: Shenyang Tianxing intelligent testing equipment Co.,Ltd. Address before: 110015 No.35, Changqing street, Shenhe District, Shenyang City, Liaoning Province Patentee before: SHENYANG TIANXING TESTING INSTRUMENTS Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
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| CX01 | Expiry of patent term |