CN202013301U - Loading device for pulling/pressing and creeping test of rod piece - Google Patents
Loading device for pulling/pressing and creeping test of rod piece Download PDFInfo
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- CN202013301U CN202013301U CN2011200213387U CN201120021338U CN202013301U CN 202013301 U CN202013301 U CN 202013301U CN 2011200213387 U CN2011200213387 U CN 2011200213387U CN 201120021338 U CN201120021338 U CN 201120021338U CN 202013301 U CN202013301 U CN 202013301U
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Abstract
The utility model discloses a loading device for a pulling/pressing and creeping test of a rod piece. The loading device comprises a pressure sensor (3), a thrust bearing (9), axial bearing capacity rods (10) and high-intensity nuts (11) and is characterized in that two ends of the three bearing capacity rods (10) are respectively provided with an upper cover plate (1) and a lower cover plate (8) by high-intensity nuts (11), wherein two axial bearing capacity rods (10) are arranged at two sides of the loading device, and test pieces (13) are arranged between every two adjacent axial bearing capacity rods (10). In the utility model, the loading device is loaded by screw thread in a simple and convenient loading form, so that each of the test pieces in loading during the test can be adjusted in a safe and simple way, no specially assigned person is needed to monitor, and energy is basically not consumed; besides, the loading device has a smaller volume and is applicable to be wholly placed inside a sealed container so as to carry out a long-term loading test under the special conditions such as ozone, ultraviolet rays, low-temperature environment, etc.
Description
Technical field
The utility model relates to a kind of engineering mechanics and Machine Design, and this charger can be applied to fields such as mechanics, material science, bio-science, carries out loading and creep test research that metal, nonmetal, compound substance rod member etc. stretch, compress.
Background technology
At present, the stretching of the bigger test power of rod member or compression creep experiment load, use electronic universal tester or hydraulic dynamometer to load mostly, though this testing machine is superior performance aspect Load Control and creep data collection, but creep test length consuming time, testing machine can only be made a test specimen at every turn, and must be by experimenter's operation and monitoring.This has just increased experimentation cost and time greatly, for the test that special requirement for experiment condition is arranged, as the experiment under the environment such as low temperature, ozone and ultraviolet ray, just more need expensive testing expenses, and charger can not move.Similarly simple loading unit also has hydraulic jack formula and lever loading frame, this device uses convenient, flexible than testing machine, but the maintenance load effect of hydraulic jack formula is not really desirable, the volume of lever device is generally bigger, keep load performance better, but the random size of stepless control loading force.
Summary of the invention
In order to overcome the prior art above shortcomings, the utility model provides a kind of rod member tension and compression creep test charger, and the utility model adopts screw-type to load, and makes loading simple, operation walk away safety, basic energy free consumption.Suitable integral body is put into closed container, carries out testing such as the long-duration load under the specific conditions such as ozone, ultraviolet ray, low temperature environment.
The technical scheme that its technical problem underlying that solves the utility model adopts is: rod member tension and compression creep test charger comprises pull pressure sensor, thrust bearing, axial bearing capacity bar and high strength nut, it is characterized in that: the two ends of described 3 axial bearing capacity bars adopt high strength nut to install cover plate and lower cover, wherein 2 axial bearing capacity bars are installed in the both sides of described device, and the experiment test specimen is installed between two adjacent axial bearing capacity bars.Described experiment is connected with hinged attachment plug one end hinge by test specimen attachment plug with an end of test specimen, the hinged attachment plug other end is threaded with pull pressure sensor, pull pressure sensor is threaded with the sensor bolt of upper cover plate, upper cover plate and between thrust bearing is housed on the sensor bolt of sensor.Experiment is connected by pin hinge with the hinged location loading bolt that passes lower cover by test specimen attachment plug with the test specimen other end, on the hinged location loading bolt in the lower cover inboard or the lower cover outside pre-load nut and thrust bearing is housed.
Described upper cover plate is identical with the structure of lower cover, and its place, limit portion outer is provided with the reinforcement gusset.
The bolt position processing of described hinged location loading bolt is perpendicular to the pin-and-hole of axis, two parallel planes of the screw thread position milling of hinged location loading bolt.
One end of described hinged attachment plug is the ears structure, ears position pin hole processing, and its other end is processed with screw thread.
The beneficial effects of the utility model are: owing to adopt the plane bent structure, can load separately with test specimen each root experiment.The loading form adopts screw-type to load, the appropriate design pitch dimension, make loading simple, friction force when loading in order to reduce nut to greatest extent, a little moment of torsion that may add when eliminate loading is to the influence of test with rod member, adds thrust bearing every experiment respectively with the junction, top and the bottom-loaded end of test specimen.Each root experiment is equipped with two kinds with test specimen loads connecting elements, can implement respectively the stretching and the compressive load of experiment with test specimen.This screw thread load mode is keeping load and to should be ideal much than the hydraulic jack formula aspect the Loading Control, and this device can load creep test to five experiments with test specimen simultaneously for a long time, can simply be easy in the process of the test each experiment is carried out the adjustment of load with test specimen, the operation walk away safety, do not need the special messenger to monitor, basic energy free consumption only needs open every 3 two days dynamometer and observes each rod member load condition and get final product environmental protection.This device volume is less, the heavily about 30kg of integral body, and suitable integral body is put into closed container, carries out testing such as the long-duration load under the specific conditions such as ozone, ultraviolet ray, low temperature environment.
Description of drawings
Fig. 1 is the structural representation of rod member compression creep experiment charger;
Fig. 2 is the A-A sectional view of Fig. 1;
The hinged attachment plug structural representation of Fig. 3;
Fig. 4 is an annular knurl pin feature synoptic diagram;
The hinged location of Fig. 5 loading bolt structural representation;
Fig. 6 is the C-C sectional view of Fig. 5;
Fig. 7 is the structural representation of rod member tensile creep experiment charger;
Fig. 8 is the B-B sectional view of Fig. 7.
In above-mentioned accompanying drawing, 1. upper cover plate, 2. sensor bolt, 3. pull pressure sensor, 4. hinged attachment plug, 5. pin, 6. hinged location loading bolt, 7. pre-load nut, 8. lower cover, 9. thrust bearing, 10. axial bearing capacity bar, 11. high strength nut, 12. test specimen attachment plugs, 13 experiment test specimens.
Embodiment
Fig. 1 be the utility model disclosed be a kind of 100KN rod member compression creep experiment charger, described device comprises 50KN pressure resistance sensor 3, thrust bearing 9, axial bearing capacity bar 10 and high strength nut 11.This device adopts the plane bent structure, the two ends of 3 axial bearing capacity bars 10 adopt high strength nut 11 to install cover plate 1 and lower cover 8, wherein 2 axial bearing capacity bars 10 are installed in the both sides of described device, experiment are installed with test specimen 13 between two adjacent axial bearing capacity bars 10.Described experiment is connected with hinged attachment plug 4 one end hinges by test specimen attachment plug 12 with an end of test specimen 13, and hinged attachment plug 4 other ends are threaded with 50KN pressure resistance sensor 3.50KN pressure resistance sensor 3 is threaded with the sensor bolt 2 of upper cover plate 1, on the sensor bolt 2 between upper cover plate 1 and the 50KN pressure resistance sensor 3 thrust bearing 9 is housed.Experiment is connected by bearing pin 5 hinges with the hinged location loading bolt 6 that passes lower cover 8 by test specimen attachment plug 12 with test specimen 13 other ends, on the hinged location loading bolt 6 of lower cover 8 inboards pre-load nut 7 and thrust bearing 9 is housed.
Described upper cover plate 1 is identical with the structure of lower cover 8, is processed by No. 45 steel, for increasing bending resistance, torsional rigidity, is provided with the reinforcement gusset at the place, outer, both sides of upper cover plate 1 and lower cover 8.
The processing of the bolt position of described hinged location loading bolt 6 is perpendicular to the pin-and-hole of axis, and pre-load nut 7 is convenient to be connected with test specimen attachment plug 12 hinges and screw in two parallel planes of the screw thread position milling of hinged location loading bolt 6.
One end of described hinged attachment plug 4 is the ears structure, ears position pin hole processing, and its other end is processed with screw thread.The ears structure of propping up attachment plug 4 is connected with test specimen attachment plug 12 hinges, and its threaded portion is used for being connected with 50KN pressure resistance sensor 3.
When rod member compression creep experiment charger is done the compression-loaded experiment, can earlier upper cover plate 1 be connected with 3 axial bearing capacity bars, 10 usefulness high strength nuts 11, simultaneously five 50KN pressure resistance sensors 3 be penetrated thrust bearing 9 by sensor bolt 2 and be connected upper cover plate 1 and get final product; At pull pressure sensor 3 lower interface places, hinged attachment plug 4 its upper ends are threaded into 50KN pressure resistance-type bottom then, and the lower end connects experiment test specimen 13 by pin.Thrust bearing 9 is installed in the inside surface of lower cover 8, pre-load nut 7 is close to thrust bearing 9 and screws in loading, loading bolt 6 two sides, hinged location have been milled flat, block and rotate pre-load nut 7 with spanner, observe load registration on 3 corresponding dynamometers of this 50KN pressure resistance sensor simultaneously, reach required experiment power and get final product.
Fig. 7, Fig. 8 be the utility model disclosed be another kind of 100KN rod member tensile creep experiment charger, the structure of described device and 100KN rod member compression creep experiment charger is basic identical, different is: in lower cover 8 outsides, installed thrust bearing 9 on hinged location loading bolt 6, pre-load nut 7 screws and is pressed against thrust bearing 9, to experiment with test specimen 13 loaded load that stretches.
When rod member tensile creep experiment charger is made the stretching loading experiment, can earlier upper cover plate 1 be connected with 3 axial bearing capacity bars, 10 usefulness high strength nuts 11, simultaneously five 50KN pressure resistance sensors 3 be penetrated thrust bearing 9 by sensor bolt 2 and be connected upper cover plate 1 and get final product; At 50KN pressure resistance sensor 3 lower interface places, hinged attachment plug 4 its upper ends are threaded into the bottom of 50KN pressure resistance sensor 3 then, and the lower end connects experiment test specimen 13 by pin.Thrust bearing 9 is installed in the outside surface of lower cover 8, pre-load nut 7 is close to thrust bearing 9 backs and screws in loading, loading bolt 6 two sides, hinged location have been milled flat, block and rotate pre-load nut 7 with spanner, observe load registration on 3 corresponding dynamometers of this 50KN pressure resistance sensor simultaneously, reach required experiment power and get final product.
This utility model design gross load is 100KN, every experiment is no more than 50KN with test specimen 13 suffered stretchings or compressive load, load five carbon fiber experiment test specimen 13 critical compression tests simultaneously through experiment, every experiment is 20KN with test specimen 13 pressures, carried out 60 days maintenance load test stabilization by a definite date, satisfactory for result, reach the desired design target, 10 days load maximum fluctuation values of accumulative total are no more than 5%, this numerical value is relevant with material with the rod member type with test, this device can make things convenient for simple and direct each root experiment is regulated with the load of test specimen, do not need it is monitored constantly, stable performance, safety, suitable integral body is put into closed container, carries out such as ozone, ultraviolet ray, long-duration load test under the specific conditions such as low temperature environment.Can save the cost that creep test loads greatly, raise the efficiency.
Deformation of creep measurement and automatic data acquisition system and rod member tension and compression creep test charger are used, and under the prerequisite that satisfies superior performance aspect Load Control and the creep data collection, can significantly reduce the experimentation cost of rod member tension and compression creep test.
Claims (6)
1. rod member tension and compression creep test charger, described device comprises pull pressure sensor (3), thrust bearing (9), axial bearing capacity bar (10) and high strength nut (11), it is characterized in that: the two ends of described 3 axial bearing capacity bars (10) adopt high strength nut (11) to install cover plate (1) and lower cover (8), wherein 2 axial bearing capacity bars (10) are installed in the both sides of described device, and experiment test specimen (13) is installed between two adjacent axial bearing capacity bars (10).
2. rod member tension and compression creep test charger according to claim 1, it is characterized in that: described experiment is connected with hinged attachment plug (4) one end hinges by test specimen attachment plug (12) with an end of test specimen (13), hinged attachment plug (4) other end is threaded with pull pressure sensor (3), pull pressure sensor (3) is threaded with the sensor bolt (2) of upper cover plate (1), on the sensor bolt (2) between upper cover plate (1) and the pull pressure sensor (3) thrust bearing (9) is housed; Experiment is connected by bearing pin (5) hinge with the hinged location loading bolt (6) that passes lower cover (8) by test specimen attachment plug (12) with test specimen (13) other end, on the hinged location loading bolt (6) of lower cover (8) inboard pre-load nut (7) and thrust bearing (9) is housed.
3. rod member tension and compression creep test charger according to claim 1 and 2 is characterized in that: on the hinged location loading bolt (6) in lower cover (8) outside thrust bearing (9) and pre-load nut (7) are housed.
4. rod member tension and compression creep test charger according to claim 1 is characterized in that: upper cover plate (1) is identical with the structure of lower cover (8), and its place, limit portion outer is provided with the reinforcement gusset.
5. rod member tension and compression creep test charger according to claim 1, it is characterized in that: the bolt position processing of described hinged location loading bolt (6) is perpendicular to the pin-and-hole of bolt axis, two parallel surfaces of the screw thread position milling of hinged location loading bolt (6).
6. rod member tension and compression creep test charger according to claim 1, it is characterized in that: an end of described hinged attachment plug (4) is the ears structure, ears position pin hole processing, its other end is processed with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200213387U CN202013301U (en) | 2011-01-21 | 2011-01-21 | Loading device for pulling/pressing and creeping test of rod piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200213387U CN202013301U (en) | 2011-01-21 | 2011-01-21 | Loading device for pulling/pressing and creeping test of rod piece |
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| Publication Number | Publication Date |
|---|---|
| CN202013301U true CN202013301U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200213387U Expired - Fee Related CN202013301U (en) | 2011-01-21 | 2011-01-21 | Loading device for pulling/pressing and creeping test of rod piece |
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| CN (1) | CN202013301U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589989A (en) * | 2012-02-10 | 2012-07-18 | 重庆大学 | Single-shaped pulling-pressing double-function creepmeter |
| CN104897504A (en) * | 2015-06-25 | 2015-09-09 | 中冶武汉冶金建筑研究院有限公司 | Test piece for high-temperature high-pressure creep rate test of refractory mortar and preparation method of test piece |
| CN105606452A (en) * | 2016-03-04 | 2016-05-25 | 国机集团北京飞行强度研究所有限公司 | Portable device for performing load calibration and strength tests of airplane two-force bar piece at external field |
| CN106644699A (en) * | 2016-11-03 | 2017-05-10 | 上海电气电站设备有限公司 | Test device and method for evaluating insulating creep characteristics of generator stator core |
| CN107505187A (en) * | 2017-09-14 | 2017-12-22 | 青岛科技大学 | A kind of new type rubber abrasiometer |
| CN109540669A (en) * | 2018-12-03 | 2019-03-29 | 北京工业大学 | A kind of FRP tendons continue compression lock test device |
-
2011
- 2011-01-21 CN CN2011200213387U patent/CN202013301U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589989A (en) * | 2012-02-10 | 2012-07-18 | 重庆大学 | Single-shaped pulling-pressing double-function creepmeter |
| CN104897504A (en) * | 2015-06-25 | 2015-09-09 | 中冶武汉冶金建筑研究院有限公司 | Test piece for high-temperature high-pressure creep rate test of refractory mortar and preparation method of test piece |
| CN105606452A (en) * | 2016-03-04 | 2016-05-25 | 国机集团北京飞行强度研究所有限公司 | Portable device for performing load calibration and strength tests of airplane two-force bar piece at external field |
| CN105606452B (en) * | 2016-03-04 | 2018-02-09 | 国机集团北京飞机强度研究所有限公司 | The power rod member outfield load calibration of aircraft two/strength test portable unit |
| CN106644699A (en) * | 2016-11-03 | 2017-05-10 | 上海电气电站设备有限公司 | Test device and method for evaluating insulating creep characteristics of generator stator core |
| CN107505187A (en) * | 2017-09-14 | 2017-12-22 | 青岛科技大学 | A kind of new type rubber abrasiometer |
| CN109540669A (en) * | 2018-12-03 | 2019-03-29 | 北京工业大学 | A kind of FRP tendons continue compression lock test device |
| CN109540669B (en) * | 2018-12-03 | 2021-08-17 | 北京工业大学 | FRP muscle lasts compressive stress locking test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20120121 |