CN105115663A - Bidirectional force testing device - Google Patents
Bidirectional force testing device Download PDFInfo
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- CN105115663A CN105115663A CN201510616018.9A CN201510616018A CN105115663A CN 105115663 A CN105115663 A CN 105115663A CN 201510616018 A CN201510616018 A CN 201510616018A CN 105115663 A CN105115663 A CN 105115663A
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- electric cylinder
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Abstract
The invention discloses a bidirectional force testing device including a support including a support base, a support column, and a support upper beam, a reverse rack, a large electric cylinder arranged on the support upper beam, a connecting rack arranged at the output end of the large electric cylinder, a small electric cylinder arranged in the connecting rack, a large sensor, and a small sensor, the reverse rack includes a reverse rack lower beam, a reverse rack column, and a reverse rack upper beam, a connecting tray is arranged between the large sensor and the connecting rack, and a guide tray is arranged between the small sensor and the small electric cylinder. The small electric cylinder drives the guide tray to move upwards, the small sensor moves upwards to apply a loading force to the connecting tray to measure small measuring range, the large electric cylinder drives the connecting rack to move upwards to apply a loading force to the connecting tray to measure large measuring range, the small sensor guarantees the stability of small measuring range testing and improves the testing precision, and the reverse rack realizes the measurement of the pulling direction and the pressing direction. Compared with the hydraulic testing in the prior art, oil leakage can be prevented, only electric energy is consumed, and the energy consumption is low.
Description
Technical field
The invention belongs to force measurement field, be specifically related to a kind of two-way force value test unit.
Background technology
It is important component part in mechanics metering, test that force value detects, and is widely used in the middle of the production, life of its people.In prior art, adopt a proof force sensor higher than accredited dynamometer accuracy as standard during test, connect with the force snesor being calibrated/examining and determine, the force standard machines loaded with hydraulic pressure or mechanical system; Because it is cheap, work efficiency is high, be widely used in the mechanics properties testing of various LOAD CELLS, force snesor, dynamometer in recent years.But superposing type force standard machine depends critically upon its standard transducer used, standard transducer is unstable when measuring small-range, measuring accuracy is low, for head it off, current way is in measuring process, change the standard transducer of small-range, and do not only troublesome poeration like this, cannot continuous coverage.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of two-way force value test unit.
In order to achieve the above object, technical scheme of the present invention is as follows:
The invention provides a kind of two-way force value test unit, comprising:
Support, comprises bracket base, bracket upright post and bracket upper beam, and bracket upper beam to be arranged at above bracket base and to be connected by bracket upright post therebetween;
Reverse frame, it is arranged on support, comprise reverse frame underbeam, oppositely frame column and reverse frame upper beam, reverse frame upper beam to be arranged at above reverse frame underbeam and to be connected by reverse frame column therebetween, and reverse frame underbeam is between bracket base, bracket upper beam and its top and bottom are provided with measured piece installing mechanism;
Large electric cylinder, it is fixedly installed on bracket upper beam;
Link, it is arranged at the output terminal of large electric cylinder;
Little electric cylinder, it is fixedly installed in link;
Large sensor, its be connected in link top and and be provided with connecting trays between link;
Little sensor, it is arranged in link, and little sensor is connected with little electric cylinder and and is also provided with guiding pallet between little electric cylinder.
The medium and small electric cylinder of the present invention drives guiding pallet to move up, and little sensor is moved up in link and applies a loading force for measuring small-range to connecting trays, now large electric cylinder and large sensor do not work; Large electric cylinder drives link to move up, apply a loading force for measuring wide range to connecting trays, now little electric cylinder and little sensor do not work, and both can measure wide range, also small-range can be measured, reverse frame realizes the measurement pulling to and press to, and little sensor ensures the stability of small-range test, improves the precision of test, and test compared to existing fluid pressure type, can not produce oil to reveal, only need to consume electric energy, energy consumption is low.
On the basis of technique scheme, also can do following improvement:
As preferred scheme, the bottom of above-mentioned connecting trays is provided with little sensor positioning port, and the height of little sensor positioning port is greater than the height of the connecting end surface of connecting trays and link.
Adopt above-mentioned preferred scheme, little sensor positioning port facilitates location and the connection of little sensor, and meanwhile, when ensureing that large sensor works, force value can not be applied on little sensor, thus protects little sensor.
As preferred scheme, the bottom of above-mentioned connecting trays and the side being positioned at little sensor positioning port is provided with displacement transducer.
Adopt above-mentioned preferred scheme, increase displacement transducer, respond to the displacement of little sensor, when avoiding large electric cylinder to decline, connecting trays directly drops down onto on little sensor and damages little sensor, extends its serviceable life.
As preferred scheme, in above-mentioned little sensor positioning port, be provided with elastomeric pad.
Adopt above-mentioned preferred scheme, elastomeric pad reduces the hard collision between little sensor and connecting trays, extends its serviceable life.
As preferred scheme, be also provided with guiding connector in above-mentioned link, guiding connector is connected with guiding pallet and is positioned at the both sides of little electric cylinder.Wherein, guiding connector is Flexible Connector or guiding screw mandrel.
Adopt above-mentioned preferred scheme, guiding connector ensures that on the one hand guiding pallet keeps level in moving process, and on the same line, guarantee wide range and small-range measured value one are made peace continuously for the axle center of the pallet that makes to lead and the axle center of large electric cylinder; Avoid little sensor and connecting trays to produce hard collision when large electric cylinder work on the other hand, extend the serviceable life of little sensor.
As preferred scheme, the inwall of above-mentioned link is provided with the guide rail of vertical direction, guiding tray both slid is arranged on guide rail.
Adopt above-mentioned preferred scheme, the inwall of link arranges guide rail, ensure that guiding pallet moves can not offset at vertical direction, thus ensure the measuring accuracy of force value.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the structural representation of large electric cylinder and little electric cylinder in one embodiment of the present invention.
Fig. 3 is the structural representation of large electric cylinder and little electric cylinder in another embodiment of the present invention.
Fig. 4 is the structural representation of large electric cylinder and little electric cylinder in another embodiment of the present invention.
Wherein, 10. bracket base, 11. bracket upright post, 12. bracket upper beams, 20. reverse frame underbeams, 21. reverse frame columns, 22. reverse frame upper beams, 310. large electric cylinders, 311. links, 312. connecting trays, 313. large sensors, 314. little sensor positioning ports, 320. little electric cylinders, 321. guiding pallets, 322. little sensors, 323. guiding connectors.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
In order to reach object of the present invention, as shown in Figure 1 to Figure 2, in wherein a kind of embodiment of the present invention, provide a kind of two-way force value test unit, comprising:
Support, comprises bracket base 10, bracket upright post 11 and bracket upper beam 12, and bracket upper beam 12 to be arranged at above bracket base 10 and to be connected by bracket upright post 11 therebetween;
Reverse frame, it is arranged on support, comprise reverse frame underbeam 20, oppositely frame column 21 and reverse frame upper beam 22, reverse frame upper beam 22 to be arranged at above reverse frame underbeam 20 and to be connected by reverse frame column 21 therebetween, and reverse frame underbeam 20 is between bracket base 10, bracket upper beam 12 and its top and bottom are provided with measured piece installing mechanism (not shown);
Large electric cylinder 310, it is fixedly installed on bracket upper beam 12;
Link 311, it is arranged at the output terminal of large electric cylinder 310;
Little electric cylinder 320, it is fixedly installed in link 311;
Large sensor 313, its be connected in link 311 top and and be provided with connecting trays 312 between link 311;
Little sensor 322, it is arranged in link 311, and little sensor 322 is connected with little electric cylinder 320 and and is also provided with the pallet 321 that leads between little electric cylinder 320.
The medium and small electric cylinder 320 of present embodiment drives guiding pallet 321 to move up, and little sensor 322 is moved up in link 311 and applies a loading force for measuring small-range, now large electric cylinder 310 and large sensor not 313 work to connecting trays 312; Large electric cylinder 310 drives link 311 to move up, apply a loading force for measuring wide range to connecting trays 312, now little electric cylinder 320 and little sensor 322 do not work, and both can measure wide range, also small-range can be measured, and the measurement pulling to and press to, little sensor 322 ensures the stability that small-range is tested, and improves the precision of test, and test compared to existing fluid pressure type, can not produce oil to reveal, only need to consume electric energy, energy consumption is low.
As shown in Figure 3, in order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the bottom of the connecting trays 312 that present embodiment is above-mentioned is provided with little sensor positioning port 314, and the height of little sensor positioning port 314 is greater than the height of the connecting end surface of connecting trays 312 and link 311.
Adopt above-mentioned preferred scheme, little sensor positioning port 314 facilitates location and the connection of little sensor 322, and meanwhile, when ensureing that large sensor 313 works, force value can not be applied on little sensor 313, thus protects little sensor 313.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the bottom of the connecting trays 312 that present embodiment the is above-mentioned and side being positioned at little sensor 322 positioning port is provided with displacement transducer (not shown).
Adopt above-mentioned preferred scheme, increase displacement transducer, respond to the displacement of little sensor 322, when avoiding large electric cylinder 310 to decline, connecting trays 312 directly drops down onto on little sensor 322 and damages little sensor 322, extends its serviceable life.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, in the little sensor positioning port 314 that present embodiment is above-mentioned, be provided with elastomeric pad (not shown).
Adopt above-mentioned preferred scheme, elastomeric pad reduces the hard collision between little sensor 322 and connecting trays 312, extends its serviceable life.
As shown in Figure 4, in order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, also be provided with guiding connector 323 in the link 311 that present embodiment is above-mentioned, guiding connector 323 is connected with guiding pallet 321 and is positioned at the both sides of little electric cylinder 320.Wherein, guiding connector 323 is Flexible Connector.
Adopt above-mentioned preferred scheme, guiding connector 323 1 aspect ensures that guiding pallet 321 keeps level in moving process, make to lead pallet 321 axle center and large electric cylinder axle center on the same line, guarantee wide range and small-range measured value one are made peace continuously; Avoid little sensor 322 to produce hard collision with connecting trays 312 when large electric cylinder work on the other hand, extend the serviceable life of little sensor.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the inwall of link 311 above-mentioned in present embodiment is provided with the guide rail (not shown) of vertical direction, guiding pallet 321 slides and is arranged on guide rail.
Adopt above-mentioned preferred scheme, the inwall of link 311 arranges guide rail, ensure that guiding pallet 321 moves can not offset at vertical direction, thus ensure the measuring accuracy of force value.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. two-way force value test unit, is characterized in that, comprising:
Support, comprises bracket base, bracket upright post and bracket upper beam, and described bracket upper beam to be arranged at above described bracket base and to be connected by bracket upright post therebetween;
Reverse frame, comprise reverse frame underbeam, oppositely frame column and reverse frame upper beam, described reverse frame upper beam to be arranged at above described reverse frame underbeam and to be connected by reverse frame column therebetween, and described reverse frame underbeam is between described bracket base, bracket upper beam and its top and bottom are provided with measured piece installing mechanism;
Large electric cylinder, it is fixedly installed on described bracket upper beam;
Link, it is arranged at the output terminal of described large electric cylinder;
Little electric cylinder, it is fixedly installed in described link;
Large sensor, its be connected in described link top and and be provided with connecting trays between described link;
Little sensor, it is arranged in described link, and described little sensor is connected with described little electric cylinder and and is also provided with guiding pallet between described little electric cylinder.
2. two-way force value test unit according to claim 1, is characterized in that, the bottom of described connecting trays is provided with little sensor positioning port, and the height of described little sensor positioning port is greater than the height of the connecting end surface of described connecting trays and described link.
3. two-way force value test unit according to claim 2, is characterized in that, the bottom of described connecting trays and the side being positioned at described little sensor positioning port is provided with displacement transducer.
4. two-way force value test unit according to claim 2, is characterized in that, is provided with elastomeric pad in described little sensor positioning port.
5. two-way force value test unit according to claim 1, is characterized in that, be also provided with guiding connector in described link, and described guiding connector is connected with guiding pallet and is positioned at the both sides of described little electric cylinder.
6. two-way force value test unit according to claim 5, is characterized in that, described guiding connector is Flexible Connector or guiding screw mandrel.
7. two-way force value test unit according to claim 1, is characterized in that, the inwall of described link is provided with the guide rail of vertical direction, and described guiding tray both slid is arranged on described guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616018.9A CN105115663B (en) | 2015-09-24 | 2015-09-24 | Two-way force value experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616018.9A CN105115663B (en) | 2015-09-24 | 2015-09-24 | Two-way force value experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105115663A true CN105115663A (en) | 2015-12-02 |
| CN105115663B CN105115663B (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510616018.9A Active CN105115663B (en) | 2015-09-24 | 2015-09-24 | Two-way force value experimental rig |
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| CN (1) | CN105115663B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593200A (en) * | 2018-03-16 | 2018-09-28 | 海南省计量测试所 | A kind of continous way double-range superposing type force standard machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU670834A1 (en) * | 1974-09-04 | 1979-06-30 | Научно-Исследовательский И Конструкторский Институт Испытательных Машин, Приборов И Средств Измерения Масс | Standard force measuring machine |
| CN102564557A (en) * | 2011-12-31 | 2012-07-11 | 李雪尔 | Build-up force standard machine with wide range, |
| CN102645303A (en) * | 2012-04-23 | 2012-08-22 | 苏州市计量测试研究所 | Cascade wide-range force loading and measuring device |
| CN202599603U (en) * | 2012-06-13 | 2012-12-12 | 苏州市计量测试研究所 | Combined type force standard machine |
| CN104807592A (en) * | 2015-05-18 | 2015-07-29 | 陶泽成 | Electric cylinder loading overlapping type force standard machine |
| CN205015125U (en) * | 2015-09-24 | 2016-02-03 | 昆山市交通工程试验检测中心 | Two -way power value test device |
-
2015
- 2015-09-24 CN CN201510616018.9A patent/CN105115663B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU670834A1 (en) * | 1974-09-04 | 1979-06-30 | Научно-Исследовательский И Конструкторский Институт Испытательных Машин, Приборов И Средств Измерения Масс | Standard force measuring machine |
| CN102564557A (en) * | 2011-12-31 | 2012-07-11 | 李雪尔 | Build-up force standard machine with wide range, |
| CN102645303A (en) * | 2012-04-23 | 2012-08-22 | 苏州市计量测试研究所 | Cascade wide-range force loading and measuring device |
| CN202599603U (en) * | 2012-06-13 | 2012-12-12 | 苏州市计量测试研究所 | Combined type force standard machine |
| CN104807592A (en) * | 2015-05-18 | 2015-07-29 | 陶泽成 | Electric cylinder loading overlapping type force standard machine |
| CN205015125U (en) * | 2015-09-24 | 2016-02-03 | 昆山市交通工程试验检测中心 | Two -way power value test device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593200A (en) * | 2018-03-16 | 2018-09-28 | 海南省计量测试所 | A kind of continous way double-range superposing type force standard machine |
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| CN105115663B (en) | 2018-04-06 |
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Address after: 215335 No. 688 South Road, Kunshan Development Zone, Jiangsu, Suzhou, China Applicant after: KUNSHAN TRANSPORTATION ENGINEERING TEST CENTER CO., LTD. Address before: 215335 No. 688 South Road, Kunshan Development Zone, Jiangsu, Suzhou, China Applicant before: KUNSHAN TRANSPORTATION ENGINEERING TEST CENTER |
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