CN202837094U - Testing machine for tension, ring stiffness and flattening combination properties of tubing - Google Patents
Testing machine for tension, ring stiffness and flattening combination properties of tubing Download PDFInfo
- Publication number
- CN202837094U CN202837094U CN2012202862818U CN201220286281U CN202837094U CN 202837094 U CN202837094 U CN 202837094U CN 2012202862818 U CN2012202862818 U CN 2012202862818U CN 201220286281 U CN201220286281 U CN 201220286281U CN 202837094 U CN202837094 U CN 202837094U
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- tested sample
- testing machine
- ring stiffness
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- fixtures
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- Expired - Fee Related
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Abstract
The utility model relates to a testing machine for tension, ring stiffness and flattening combination properties of tubing. The testing machine comprises a rack, a cross beam capable of moving up and down and a base, wherein the cross beam and the base are arranged on the rack; a mounting seat for mounting of fixtures is disposed between the cross beam and the base; a tested sample is clamped on the fixtures and connected with an extension meter comprising a tracking device for measurement of the tested sample and capable of moving up and down; the rack is provided with a stopper for limiting the displacement of the fixtures; and the testing machine is further provided with a pressure sensor for measuring the stress of the tested sample. The extension meter can move back and forth in present of an adjusting nut to facilitate the test of the tested sample, the stopper arranged on the rack can prevent the fixtures from mutual collision and protect the fixtures and the testing machine from being damaged. Through the arrangement, the testing machine can perform the tests of the ring tensile strength, the ring stiffness, dumbbell tension and flattening safely and conveniently.
Description
Technical field
The utility model relates to a kind of drawing pipe, ring stiffness, flat combination property tester.
Background technology
Present various tubing rolls off the production line behind the finished product, need to test its properties, comprises hoop tensile strength, ring stiffness, flattening test, determines with this whether pipe performance conforms to quality requirements.Though DL/T 802.2-2007 electronic cables needs test with regulation properties in the microcatheter technology condition, does not provide concrete scheme.
The utility model content
The purpose of this utility model provides a kind of drawing pipe, ring stiffness, flat combination property tester, realizes the test of tubing combination property.
The technical solution of the utility model is: the utility model comprises frame and is arranged on crossbeam moving up and down on the frame and is arranged on base on the frame, establishes the mount pad of sectional fixture between crossbeam and the base, is folded with tested sample on the anchor clamps;
Be connected with extensometer on the described tested sample, extensometer can move up and down, and comprises the tracking means of measuring the tested sample deflection;
Described frame is provided with the stop of restriction clamp movement stroke;
Described testing machine also is provided with measures the stressed pressure transducer of tested sample.
Described frame is provided with the ball screw that crossbeam is moved up and down, and ball screw drives motion by a servomotor, reduction gear.
Described extensometer is connected on crossbeam or the sample, and tracking means comprises the contact site that contacts with tested sample and the swing arm section that adjusts the contact site front and back position.
The utility model has the advantages that: extensometer of the present utility model can move forward and backward in the situation of setting nut, is beneficial to the test of tested sample; The stop that arranges on the frame can prevent that anchor clamps from colliding mutually, and shield jig and testing machine are injury-free.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of extensometer.
Fig. 3 is that dumbbell stretches with a kind of structural representation of anchor clamps.
Among the figure, 1 reductor, 2 shaft couplings, 3 servomotors, 4 belt wheels, 5 bases, 6 extensometer bases, 7 lower connecting bases, 8 ring stiffness and flattening anchor clamps, 9 stops, 10 upper connecting bases, 11 sensors, 12 moving beams, 13 ball screws, 14 columns, 15 extensometers, 16 swing arms, 17 tracking means, 18 contact sites, 19 dumbbells stretch and use anchor clamps.
Embodiment
The utility model comprises mechanical part, deformation measurement part, dynamometry part, holder part and computer control system.
Described mechanical part comprises frame, moving beam 12, propulsion system.Moving beam 12 belows arrange sensor 11, sensor 11 1 end jockey Connection Blocks, frame is provided with the ball screw 13 that moving beam 12 is moved, and ball screw 13 is realized moving up and down by driving member transmissions such as reductor 1, belt wheel 4, shaft couplings 2 by servomotor 3.
Described frame is provided with upper and lower spacing device.
Described deformation measurement partly comprises extensometer base 6, extensometer 15, and the dynamometry part mainly is comprised of sensor 11.
Described holder part comprises anchor clamps Connection Block, anchor clamps; Described anchor clamps have multiple, can do hoop tensile test, ring stiffness test, flattening test, dumbbell tension test.
Described computer control system has adopted closed-loop control and the arbitrary curve control mode of power value, distortion, position, and curve can record and show any point time and stress value, has the function that the overall process of test is controlled and shown.
As shown in Figure 1, 2, base 5 is established in the frame bottom, and rear side is established extensometer 15, and stop 9 is established on the right side, and both sides are equipped with column 14 and ball screw 13; Extensometer 15 is fixed on the tester base 5 by extensometer base 6, and extensometer 15 comprises tracking means 17, swing arm 16 and contact site 18.Moving beam 12 is arranged on the ball screw 13 of both sides, and sensor 11 is established in moving beam 12 bottoms, establishes upper connecting base 10 below the sensor 11.Set Connection Block 7 on the base 5, servomotor 3 and reductor 1 are established in base 5 inside, and both are connected by shaft coupling 2.Belt wheel 4 is realized being in transmission connection of reductor 1 output shaft and ball screw 13.
When above-mentioned testing machine uses, base 5 keeps motionless, thereby moving beam 12 moves downward under the drive of ball screw 13 to tested sample and applies a downward pressure, force value is measured by sensor 11, the tested sample deflection is measured by extensometer 29, and both measured data communication devices are crossed Computer display and control; Upper lower clamp to occur above stroke and bumps because moving beam 12 moves downward in order to prevent in the utility model, the utility model arranges stop, when moving beam 12 surpassed predetermined stroke, stop was responded to and is made moving beam 12 stop motions by computer control.
Anchor clamps shown in Fig. 1 are ring stiffness and flattening test anchor clamps 8.
Anchor clamps shown in Figure 3 are that dumbbell stretches with anchor clamps 19.
Claims (3)
1. a drawing pipe, ring stiffness, flat combination property tester, it is characterized in that, comprise frame and be arranged on crossbeam moving up and down on the frame and be arranged on base on the frame, establish the mount pad of sectional fixture between crossbeam and the base, be folded with tested sample on the anchor clamps;
Be connected with extensometer on the described tested sample, extensometer can move up and down, and comprises the tracking means of measuring the tested sample deflection;
Described frame is provided with the stop of restriction clamp movement stroke;
Described testing machine also is provided with measures the stressed pressure transducer of tested sample.
2. a kind of drawing pipe according to claim 1, ring stiffness, flat combination property tester is characterized in that, described frame is provided with the ball screw that crossbeam is moved up and down, and ball screw drives motion by a servomotor, reduction gear.
3. a kind of drawing pipe according to claim 1, ring stiffness, flat combination property tester, it is characterized in that, described extensometer is connected on crossbeam or the sample, and tracking means comprises the contact site that contacts with tested sample and the swing arm section that adjusts the contact site front and back position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202862818U CN202837094U (en) | 2012-06-18 | 2012-06-18 | Testing machine for tension, ring stiffness and flattening combination properties of tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202862818U CN202837094U (en) | 2012-06-18 | 2012-06-18 | Testing machine for tension, ring stiffness and flattening combination properties of tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837094U true CN202837094U (en) | 2013-03-27 |
Family
ID=47948775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202862818U Expired - Fee Related CN202837094U (en) | 2012-06-18 | 2012-06-18 | Testing machine for tension, ring stiffness and flattening combination properties of tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880359A (en) * | 2015-05-11 | 2015-09-02 | 张立 | Small-sized circular steel tube stiffness tester |
| CN108519201A (en) * | 2018-04-17 | 2018-09-11 | 黑龙江省工业技术研究院 | A kind of cylindrical spring element stiffness characteristics automatic checkout equipment |
-
2012
- 2012-06-18 CN CN2012202862818U patent/CN202837094U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880359A (en) * | 2015-05-11 | 2015-09-02 | 张立 | Small-sized circular steel tube stiffness tester |
| CN108519201A (en) * | 2018-04-17 | 2018-09-11 | 黑龙江省工业技术研究院 | A kind of cylindrical spring element stiffness characteristics automatic checkout equipment |
| CN108519201B (en) * | 2018-04-17 | 2020-06-19 | 黑龙江省工业技术研究院 | Automatic detection equipment for rigidity characteristic of columnar elastic element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20150618 |
|
| EXPY | Termination of patent right or utility model |