CN105510119A - Adjustable bending tensile stress loading device - Google Patents
Adjustable bending tensile stress loading device Download PDFInfo
- Publication number
- CN105510119A CN105510119A CN201610008657.1A CN201610008657A CN105510119A CN 105510119 A CN105510119 A CN 105510119A CN 201610008657 A CN201610008657 A CN 201610008657A CN 105510119 A CN105510119 A CN 105510119A
- Authority
- CN
- China
- Prior art keywords
- loading
- cover plate
- adjustable bending
- screw rod
- solution tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an adjustable bending tensile stress loading device. The two ends of each supporting rod are fixedly connected with a base and a cover plate, a solution tank is formed in the base, a supporting table for containing test pieces is arranged in the solution tank, a loading head is arranged above the supporting table, the upper portion of the loading head is sequentially connected with a connection rod, an S-shaped force sensor, a force supporting pillar and a loading table, the upper portion of the loading table is in contact connection with the lower end of a loading threaded rod, the upper segment of the loading threaded rod penetrates through the cover plate and is connected with the cover plate through a thread, the upper segment of the loading threaded rod is sleeved with a locking nut, and the two ends of two guide rods are connected with the cover plate and the supporting table. According to the adjustable bending tensile stress loading device, rotation power is converted to linear power and precisely applied to the test pieces, loading force can be accurately adjusted, the size of bending tensile stress of the test pieces is precisely controlled, and the adjustable bending tensile stress loading device has the advantages that the device is steady in loading, stable in load and small in occupied space, and the influence on experiments of the loading device is small.
Description
Technical field
The present invention relates to a kind of bending tension charger, particularly relate to a kind of material test part that can allow in bimetallic corrosion experiment and bend the adjustable bending tension charger of the default tension of generation.
Background technology
At present, the impact of tension on the behavior of material bimetallic corrosion is the study hotspot of corrosion field, in bimetallic corrosion experiment, the bending mode producing tension that loads has bending, three-point bending, four-point bendings three kinds at 2, the charger of 2 points, three-point bending mode is comparatively simple, but the tension that these two kinds of load modes produce exists and is difficult to define and the problem such as stress raisers, therefore usually adopt four-point bending load mode in experiment.The persevering distortion of known four-point bending charger and constant load two kinds of ways of realization, the problems such as existing permanent bending charger has operation inconvenience, deflection is difficult to accurate interpretation, tension is unadjustable; And existing constant load bends the loading of charger employing mass, also there is the problem that tension adjustable extent is limited.And known bending tension charger does not all have to carry out specialized designs for the electrolyte solution in experiment, if there is electrolyte solution to exist, whole device all needs to soak wherein, is unfavorable for interpretation.
Summary of the invention
Object of the present invention is just to provide a kind of adjustable bending tension charger to solve the problem, this charger not only accurately can regulate loading force, accurate Control experiment part tension size, and there is steady loading, load keeps stablizing, little, the charger of taking up room is on features such as experiment impact are little.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of adjustable bending tension charger, comprise base, cramp bar, cover plate, solution tank, supporting station, loading head, connecting rod, S-type force sensor, bearing column, loading bench, load screw rod and guide pole, the two ends of many described cramp bars are fixedly connected with described cover plate with described base respectively, described solution tank is installed on described base, described supporting station for placing testpieces is placed in described solution tank, described loading head is placed in the top of described supporting station, the top of described loading head is connected by the bottom of described connecting rod with described S-type force sensor, the top of described S-type force sensor is connected with the bottom of described loading bench by described bearing column, the top of described loading bench is connected with the lower end in contact of described loading screw rod, the epimere of described loading screw rod passes described cover plate and is threaded connection with described cover plate, the epimere of described loading screw rod is set with set nut, the two ends of two described guide poles are connected with described cover plate and described supporting station respectively, described loading head and loading bench are set with and also can slide on two described guide poles.
In said structure, base, cramp bar and cover plate form mounting bracket jointly; Solution tank is used for holding testing liquid when needed; Supporting station is for placing testpieces; Loading head, connecting rod, S-type force sensor, bearing column, loading bench, loading screw rod are jointly formed and rotary power are converted into straight line power and execute stressed power load maintainer to testpieces; Guide pole is for guaranteeing that the power that loading head is subject to and the power to testpieces applying can not deviations.
As preferably, the top of described supporting station is provided with groove, the two ends of described groove form two for placing the support portion of the epirelief of testpieces, and the bottom of described loading head is provided with pressure head convex under two, two described pressure heads between two described support portions above.There is four-point bending state in the pressure of anchorage force and two pressurized portion that this structure makes testpieces be subject to two support zones, now there is bending tension at testpieces convex surface, bending tension size can be drawn by mechanics of materials formulae discovery according to the numerical value of S-type force sensor display.
As preferably, the top of described loading bench is provided with spherical groove, and the lower end of described loading screw rod is provided with bulb, and described bulb is placed in described spherical groove.
In order to improve experimental safe, the top of described solution tank is provided with the over cap for keeping testpieces stable.
Preferably, described cramp bar is four and is installed on respectively between the corner of described base and the corner of described cover plate.
Beneficial effect of the present invention is:
The present invention is by being converted into straight line power and accurately putting on testpieces by rotary power, not only accurately can regulate loading force, accurate Control experiment part bends tension size, and there is steady loading, load keeps stablizing, little, the charger of taking up room is on features such as experiment impact are little; By arranging solution tank, can only the electrolyte solution that supporting station and testpieces are placed in solution tank need be tested, other parts need not be immersed in electrolyte solution, are conducive to the smooth operation tested.
Accompanying drawing explanation
Fig. 1 is the stereographic map of adjustable bending tension charger of the present invention;
Fig. 2 is the stereographic map after adjustable bending tension charger of the present invention removes base, cramp bar, cover plate and solution tank.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As depicted in figs. 1 and 2, adjustable bending tension charger of the present invention comprises base 1, cramp bar 9, cover plate 11, solution tank 2, supporting station 16, loading head 5, connecting rod 6, S-type force sensor 7, bearing column 8, loading bench 10, load screw rod 13 and guide pole 12, the two ends of four cramp bars 9 are bolted to connection with base 1 and cover plate 11 respectively, four cramp bars 9 are installed between the corner of base 1 and the corner of cover plate 11 respectively, solution tank 2 is installed on base 1, supporting station 16 is placed in solution tank 2, the top of supporting station 16 is provided with groove 15, the two ends of groove 15 form two for placing the support portion (unmarked in figure) of the epirelief of testpieces 14, the top of solution tank 2 is provided with the over cap 3 for keeping testpieces 14 stable, loading head 5 is placed in the top of supporting station 16, the bottom of loading head 5 is provided with pressure head 4 convex under two, two pressure heads 4 between two support portions above, the top of loading head 5 is connected with the bottom of S-type force sensor 7 by connecting rod 6, the top of S-type force sensor 7 is connected with the bottom of loading bench 10 by bearing column 8, the top of loading bench 10 is provided with spherical groove (not shown), the lower end loading screw rod 13 is provided with bulb (not shown), described bulb is placed in described spherical groove, realize loading bench 10 to be connected with the Contact Transmission loaded between screw rod 13, the epimere loading screw rod 13 passes cover plate 11 and is threaded connection with cover plate 11, the epimere loading screw rod 13 is set with set nut (unmarked in figure), the two ends of two guide poles 12 are bolted with cover plate 11 and supporting station 16 respectively, two guide poles 12 are positioned at the both sides symmetry that load screw rod 13, loading head 5 and loading bench 10 are set with and also can slide on two guide poles 12.
As depicted in figs. 1 and 2, the principle of work of adjustable bending tension charger of the present invention is as follows:
During application, the upper end loading screw rod 13 is connected with the clutch end of rotary power unit (manually or automatically device), to realize the rotary actuation loading screw rod 13; The signal output part of S-type force sensor 7 is connected with the signal input part of signal handling equipment as computing machine etc., also signal handling equipment can not be installed, and the direct numerical value shown according to S-type force sensor 7 is by manually calculating bending tension size; Testpieces 14 is placed on two support portions at groove 15 two ends, in two dot point states.During test, turn loads screw rod 11, under the effect of screw-driven, the convert rotational motion loading screw rod 11 is rectilinear motion and promotes loading bench 10 moving linearly downwards, loading bench 10 promotes bearing column 8 successively, S-type force sensor 7, connecting rod 6, loading head 5, the stage casing of the downward squeeze test part 14 of two pressure heads 4 of loading head 5, testpieces 14 is subject to the acting in conjunction of loading head 5 and supporting station 16, there is four-point bending state in pressurized, now there is bending tension at the convex surface of testpieces 14, the stressed numerical value that bending tension size can detect according to S-type force sensor 7 is drawn by mechanics of materials formulae discovery, after reaching predetermined loaded load, stable load can be kept by tightening the set nut loaded on screw rod 13.When needing, solution tank 2 can hold the electrolyte solution that test needs, and avoids whole test unit to be soaked in electrolyte solution.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (5)
1. an adjustable bending tension charger, it is characterized in that: comprise base, cramp bar, cover plate, solution tank, supporting station, loading head, connecting rod, S-type force sensor, bearing column, loading bench, load screw rod and guide pole, the two ends of many described cramp bars are fixedly connected with described cover plate with described base respectively, described solution tank is installed on described base, described supporting station for placing testpieces is placed in described solution tank, described loading head is placed in the top of described supporting station, the top of described loading head is connected by the bottom of described connecting rod with described S-type force sensor, the top of described S-type force sensor is connected with the bottom of described loading bench by described bearing column, the top of described loading bench is connected with the lower end in contact of described loading screw rod, the epimere of described loading screw rod passes described cover plate and is threaded connection with described cover plate, the epimere of described loading screw rod is set with set nut, the two ends of two described guide poles are connected with described cover plate and described supporting station respectively, described loading head and loading bench are set with and also can slide on two described guide poles.
2. adjustable bending tension charger according to claim 1, it is characterized in that: the top of described supporting station is provided with groove, the two ends of described groove form two for placing the support portion of the epirelief of testpieces, the bottom of described loading head is provided with pressure head convex under two, two described pressure heads between two described support portions above.
3. adjustable bending tension charger according to claim 1, it is characterized in that: the top of described loading bench is provided with spherical groove, the lower end of described loading screw rod is provided with bulb, and described bulb is placed in described spherical groove.
4. the adjustable bending tension charger according to claim 1,2 or 3, is characterized in that: the top of described solution tank is provided with the over cap for keeping testpieces stable.
5. the adjustable bending tension charger according to claim 1,2 or 3, is characterized in that: described cramp bar is four and is installed on respectively between the corner of described base and the corner of described cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008657.1A CN105510119B (en) | 2016-01-07 | 2016-01-07 | Adjustable bent-segment tensile stress loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008657.1A CN105510119B (en) | 2016-01-07 | 2016-01-07 | Adjustable bent-segment tensile stress loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105510119A true CN105510119A (en) | 2016-04-20 |
| CN105510119B CN105510119B (en) | 2019-01-04 |
Family
ID=55718260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610008657.1A Active CN105510119B (en) | 2016-01-07 | 2016-01-07 | Adjustable bent-segment tensile stress loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105510119B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784359A (en) * | 2016-05-06 | 2016-07-20 | 江西昌河航空工业有限公司 | Force applying device used for calibration |
| CN106706016A (en) * | 2016-11-30 | 2017-05-24 | 无锡市创恒机械有限公司 | Fine-adjustable sensor device |
| CN109459305A (en) * | 2018-12-11 | 2019-03-12 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of concrete for hydraulic structure Fatigue Cracking Test device |
| CN110487633A (en) * | 2019-08-29 | 2019-11-22 | 中国石油大学(北京) | Elasticity modulus measurement method and device |
| CN111443030A (en) * | 2020-04-03 | 2020-07-24 | 江苏法尔胜缆索有限公司 | Method for testing salt spray corrosion resistance of steel wire in stress state |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2624605A1 (en) * | 1987-12-09 | 1989-06-16 | Armines | Apparatus for carrying out bending tests with four support points |
| CN2890888Y (en) * | 2006-03-29 | 2007-04-18 | 郑祖元 | Bending and pressure resistance testing machine for machine |
| CN101216393A (en) * | 2007-12-28 | 2008-07-09 | 保定天威集团有限公司 | Self-adhering transposed conductor integral high-temperature bending strength experimental method and apparatus |
| KR100849115B1 (en) * | 2006-11-17 | 2008-07-30 | (주)플로엘텍 | O-ring tester |
| CN101699267A (en) * | 2009-10-21 | 2010-04-28 | 河海大学 | Loading device for testing concrete chloride ion permeability by coulometry and testing method thereof |
| CN201555769U (en) * | 2009-12-21 | 2010-08-18 | 上海交通大学 | Tension and compression stress strain detecting device |
| WO2012146819A1 (en) * | 2011-04-29 | 2012-11-01 | Universidade Da Coruña | Device for corrosion and fatigue testing |
| CN202928895U (en) * | 2012-12-10 | 2013-05-08 | 潍坊乐多收生物工程有限公司 | Gate-type manual compression testing machine |
| CN203083889U (en) * | 2013-01-22 | 2013-07-24 | 中国石油大学(华东) | Corrosion fatigue three-point bending crack propagation testing device |
| CN103792146A (en) * | 2013-11-25 | 2014-05-14 | 江苏远望仪器有限公司 | Device for detecting bending resistance of glass plate |
| CN203929593U (en) * | 2014-06-18 | 2014-11-05 | 西安交通大学 | A kind of high-temperature high-pressure apparatus material corrosion comprehensive study experiment table reactor |
| CN104697867A (en) * | 2015-03-11 | 2015-06-10 | 重庆工商职业学院 | Concrete creeping tester |
| CN205280487U (en) * | 2016-01-07 | 2016-06-01 | 中国工程物理研究院总体工程研究所 | Adjustable crooked tensile stress loading device |
-
2016
- 2016-01-07 CN CN201610008657.1A patent/CN105510119B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2624605A1 (en) * | 1987-12-09 | 1989-06-16 | Armines | Apparatus for carrying out bending tests with four support points |
| CN2890888Y (en) * | 2006-03-29 | 2007-04-18 | 郑祖元 | Bending and pressure resistance testing machine for machine |
| KR100849115B1 (en) * | 2006-11-17 | 2008-07-30 | (주)플로엘텍 | O-ring tester |
| CN101216393A (en) * | 2007-12-28 | 2008-07-09 | 保定天威集团有限公司 | Self-adhering transposed conductor integral high-temperature bending strength experimental method and apparatus |
| CN101699267A (en) * | 2009-10-21 | 2010-04-28 | 河海大学 | Loading device for testing concrete chloride ion permeability by coulometry and testing method thereof |
| CN201555769U (en) * | 2009-12-21 | 2010-08-18 | 上海交通大学 | Tension and compression stress strain detecting device |
| WO2012146819A1 (en) * | 2011-04-29 | 2012-11-01 | Universidade Da Coruña | Device for corrosion and fatigue testing |
| CN202928895U (en) * | 2012-12-10 | 2013-05-08 | 潍坊乐多收生物工程有限公司 | Gate-type manual compression testing machine |
| CN203083889U (en) * | 2013-01-22 | 2013-07-24 | 中国石油大学(华东) | Corrosion fatigue three-point bending crack propagation testing device |
| CN103792146A (en) * | 2013-11-25 | 2014-05-14 | 江苏远望仪器有限公司 | Device for detecting bending resistance of glass plate |
| CN203929593U (en) * | 2014-06-18 | 2014-11-05 | 西安交通大学 | A kind of high-temperature high-pressure apparatus material corrosion comprehensive study experiment table reactor |
| CN104697867A (en) * | 2015-03-11 | 2015-06-10 | 重庆工商职业学院 | Concrete creeping tester |
| CN205280487U (en) * | 2016-01-07 | 2016-06-01 | 中国工程物理研究院总体工程研究所 | Adjustable crooked tensile stress loading device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784359A (en) * | 2016-05-06 | 2016-07-20 | 江西昌河航空工业有限公司 | Force applying device used for calibration |
| CN106706016A (en) * | 2016-11-30 | 2017-05-24 | 无锡市创恒机械有限公司 | Fine-adjustable sensor device |
| CN106706016B (en) * | 2016-11-30 | 2019-07-26 | 无锡市创恒机械有限公司 | The sensor device of fine-tuning position |
| CN109459305A (en) * | 2018-12-11 | 2019-03-12 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of concrete for hydraulic structure Fatigue Cracking Test device |
| CN110487633A (en) * | 2019-08-29 | 2019-11-22 | 中国石油大学(北京) | Elasticity modulus measurement method and device |
| CN110487633B (en) * | 2019-08-29 | 2022-08-26 | 中国石油大学(北京) | Elastic modulus measuring method and device |
| CN111443030A (en) * | 2020-04-03 | 2020-07-24 | 江苏法尔胜缆索有限公司 | Method for testing salt spray corrosion resistance of steel wire in stress state |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105510119B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105510119A (en) | Adjustable bending tensile stress loading device | |
| CN203224399U (en) | Portable axial tensile stress loading device | |
| CN104677745A (en) | Concrete lever type tension-compression creep device provided with static pulley | |
| CN103163016A (en) | Auxiliary device for carrying out axial tension test on quasi brittle materials | |
| CN205280487U (en) | Adjustable crooked tensile stress loading device | |
| CN104535430B (en) | Multifunctional creep relaxation testing machine with single heating cylinder | |
| CN204286971U (en) | The charger of a kind of concrete sample corrosion test under effect of stress | |
| CN106053325A (en) | Electrochemical corrosion experimental facility under effect of stress coupling | |
| CN204009484U (en) | Automatic pole testing apparatus | |
| CN203231713U (en) | Rapid detection device for doubly-fed generator support processing precision | |
| CN208026401U (en) | A kind of physics laboratory's dynamometer | |
| CN204286946U (en) | A kind of core rod used in composite insulator hot-state bending strength test tool | |
| CN201716241U (en) | Constant-temperature compressive loading device for universal material testing machine | |
| CN203376203U (en) | Bending strength integration test device of wall brick | |
| CN106840914B (en) | Monofilament bending performance testing device and method | |
| CN202814793U (en) | Tensile testing machine | |
| CN207798401U (en) | A kind of bearings dust-proof cover testing apparatus | |
| CN209182150U (en) | Metal wire rod, plastic cement test piece elongation at tear tests direct read device | |
| CN204101378U (en) | A kind of equilibrium bomb reed stiffness measurement device | |
| CN204789565U (en) | Portable liquid plastic limit testing arrangement | |
| CN204188461U (en) | A kind of screw measurer for pulling force | |
| CN204330447U (en) | A kind of square briquette preparation facilities | |
| CN205958362U (en) | Novel compression testing machine | |
| CN207163535U (en) | Novel water level measuring instrument and novel water level measuring apparatus | |
| CN207439578U (en) | A kind of pressure-detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |