CN108896382B - Mechanical load testing device for variable working conditions - Google Patents
Mechanical load testing device for variable working conditions Download PDFInfo
- Publication number
- CN108896382B CN108896382B CN201810734626.3A CN201810734626A CN108896382B CN 108896382 B CN108896382 B CN 108896382B CN 201810734626 A CN201810734626 A CN 201810734626A CN 108896382 B CN108896382 B CN 108896382B
- Authority
- CN
- China
- Prior art keywords
- bending moment
- providing mechanism
- testing device
- mechanical load
- tested
- 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.)
- Active
Links
Images
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
-
- 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
- G01N2203/0023—Bending
-
- 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
- G01N2203/0026—Combination of several types of applied forces
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 a mechanical load testing device for variable working conditions, wherein the mechanical load testing device comprises a base (1), a to-be-tested piece placing mechanism (2), a bending moment providing mechanism and a vertical force providing mechanism which are sequentially arranged from bottom to top, and a horizontal force providing mechanism is further arranged on the to-be-tested piece placing mechanism (2); the to-be-tested piece placing mechanism is arranged on the base (1); the bending moment providing mechanism can slide along the vertical direction and can provide bending moment for a to-be-tested piece (6) arranged on the to-be-tested piece placing mechanism; at least one of the bending moment providing mechanism, the vertical force providing mechanism and the horizontal force providing mechanism is provided with a mechanical property testing and simulating system (4). The effect that can test large-scale spare part, and can the simulated condition detects has been realized.
Description
Technical Field
The invention relates to the field of mechanical load testing devices, in particular to a mechanical load testing device for variable working conditions.
Background
In the mechanical field, the design and development of products are important guarantees for realizing independent core competitiveness, and technical problems such as feasibility of design of various parts, normal use in normal working conditions and the like need to be comprehensively tested and evaluated professionally in the research and development stage of the products.
For example, a conventional universal testing machine is also called a universal material testing machine, and the universal material testing machine is composed of a measuring system, a driving system, a control system, a computer (computer system type tensile testing machine) and other structures, and the whole machine is of a control, measurement and operation integrated structure and has the advantages of high precision, wide speed regulation range, compact structure, convenience in operation, stable performance and the like. The device is suitable for the tensile, compression, bending and creep tests of material samples and products such as metal materials, concrete, plastics, waterproof materials, textiles, paper products, rubber and the like, is provided with a large pressure plate, can directly perform the tests such as pipe flat compression (compression recovery), ring rigidity (external load resistance), creep ratio, ring tensile strength and the like, and has the characteristics of wide measurement range, high precision, quick response and the like. The working is reliable, the efficiency is high, and the test data can be displayed, recorded and printed in real time. The universal tester solves the problem of testing various properties of materials in engineering tests to a great extent, but has great limitations: 1. the universal testing machine mainly carries out single performance test to a test sample, such as stretching, compression, bending and the like, can not realize the simultaneous simulation of complex mechanical load, and the actual working condition of machine parts is mostly complex mechanical load. 2. The universal testing machine cannot test large parts. Due to the product size limitation of the universal testing machine, the universal testing machine is only suitable for testing and inspecting small samples, and is ineligible for testing large parts of engineering equipment.
Therefore, the present invention provides a mechanical load testing device for variable working conditions, which can test large parts and simulate working conditions for detection.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the problems that the conventional load testing device in the prior art cannot simulate the actual working condition and can not test large parts, and the like, so that the mechanical load testing device for variable working conditions, which can test the large parts and can simulate the working condition for detection, is provided.
In order to achieve the purpose, the invention provides a mechanical load testing device for variable working conditions, wherein the mechanical load testing device comprises a base, a to-be-tested piece placing mechanism, a bending moment providing mechanism and a vertical force providing mechanism which are sequentially arranged from bottom to top, and the to-be-tested piece placing mechanism is also provided with a horizontal force providing mechanism; wherein the content of the first and second substances,
the to-be-tested piece placing mechanism is arranged on the base;
the bending moment providing mechanism can slide along the vertical direction and can provide bending moment for the to-be-tested piece arranged on the to-be-tested piece placing mechanism;
at least one of the bending moment providing mechanism, the vertical force providing mechanism and the horizontal force providing mechanism is provided with a mechanical property testing and simulating system.
Preferably, the test piece placing mechanism at least comprises a clamping piece arranged on the base, and the horizontal force providing mechanism is arranged on the surface, far away from the test piece, of the clamping piece.
Preferably, the bending moment providing mechanism at least comprises a bending moment beam which can be arranged above the to-be-tested piece placing mechanism in a sliding manner along the vertical direction, and two moment providing units which are arranged at two ends of the bending moment beam, and the directions of the moments provided by the two moment providing units are opposite.
Preferably, the vertical force providing mechanism includes at least a reaction force support beam provided above the bending moment beam so as to be slidable in a vertical direction.
Preferably, the horizontal force providing mechanism is a first jack arranged on the clamping piece, and the moment direction of the first jack is parallel to the horizontal plane and faces the piece to be tested.
Preferably, the two moment providing units are two second jacks respectively arranged at two ends of the bending moment beam, wherein the two moments are opposite, and the directions of the two second jacks are parallel to the vertical direction.
Preferably, the mechanical load testing device further comprises at least one vertical rod, wherein the vertical rod is vertically arranged, and the bending moment beam and the counter-force supporting beam are arranged on the vertical rod and can slide along the vertical rod.
Preferably, the bending moment beam and the counter force support beam are respectively provided with a mechanical property testing and simulating system.
Preferably, the bottom of the base is provided with a foot bolt, so that the base can be detachably mounted on the mounting table through the foot bolt.
According to the technical scheme, the base is provided with the to-be-tested piece placing mechanism, so that the to-be-tested piece can be placed on the to-be-tested piece placing mechanism and can be adjusted according to the size of the to-be-tested piece, and further, the to-be-tested piece placing mechanism is provided with the bending moment providing mechanism, the vertical force providing mechanism and the horizontal force providing mechanism, so that the to-be-tested piece can be provided with multi-directional force, and the problem that a conventional universal testing machine can only perform single mechanical performance test on the to-be-tested piece and cannot simulate variable working conditions to realize complex mechanical loads is solved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a mechanical load testing device for variable working conditions according to the present invention;
fig. 2 is a schematic loaded diagram of a test piece to be tested according to the present invention.
Description of the reference numerals
1-base 2-to-be-tested part placing mechanism
3-first jack 4-mechanical property testing and simulating system
5-counter-force support beam 6-test piece
7-mounting table top 8-bending moment beam
9-clamping member 10-second jack
And 11-upright rod.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, horizontal and vertical" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
The invention provides a mechanical load testing device for variable working conditions, wherein as shown in figures 1 and 2, the mechanical load testing device comprises a base 1, a to-be-tested piece placing mechanism 2, a bending moment providing mechanism and a vertical force providing mechanism which are sequentially arranged from bottom to top, and the to-be-tested piece placing mechanism 2 is also provided with a horizontal force providing mechanism; wherein the content of the first and second substances,
the to-be-tested piece placing mechanism is arranged on the base 1;
the bending moment providing mechanism can slide along the vertical direction and can provide bending moment for the to-be-tested piece 6 arranged on the to-be-tested piece placing mechanism;
at least one of the bending moment providing mechanism, the vertical force providing mechanism and the horizontal force providing mechanism is provided with a mechanical property testing and simulating system 4.
According to the invention, the base 1 is provided with the to-be-tested piece placing mechanism 2, so that the to-be-tested piece 6 can be placed on the to-be-tested piece placing mechanism 2, and the to-be-tested piece placing mechanism 2 can be adjusted according to the size of the to-be-tested piece 6, and further, the to-be-tested piece placing mechanism 2 is provided with the bending moment providing mechanism, the vertical force providing mechanism and the horizontal force providing mechanism, so that the to-be-tested piece 6 can be provided with forces in multiple directions, and the problem that a conventional universal testing machine can only test single mechanical property of the to-be-tested piece 6 and cannot simulate variable working conditions to realize complex mechanical loads is solved.
The device for placing a test piece 2 can be arranged according to actual needs, for example, in a preferred embodiment of the present invention, the device for placing a test piece 2 comprises at least a clamping member 9 arranged on the base 1, and the horizontal force providing mechanism is arranged on a surface of the clamping member 9 far away from the test piece 6.
In a more preferred embodiment of the present invention, the bending moment providing mechanism at least comprises a bending moment beam 8 slidably arranged above the placing mechanism of the to-be-tested piece along the vertical direction, and two moment providing units arranged at two ends of the bending moment beam 8, and the directions of the moments provided by the two moment providing units are opposite. Of course, the arrangement of the bending moment beam 8 here can be arranged in a manner that can be understood by a person skilled in the art.
In a more preferred embodiment of the present invention, the vertical force providing mechanism includes at least a reaction force support beam 5 provided above the bending moment beam 8 so as to be slidable in the vertical direction.
In a further preferred embodiment, the horizontal force providing mechanism is a first jack 3 disposed on the clamping member 9, and the moment direction of the first jack 3 is parallel to the horizontal plane and faces the test piece 6.
In another preferred embodiment of the present invention, the two moment providing units are two second jacks 10 with opposite moments, respectively disposed at two ends of the bending moment beam 8, and the moment directions of the two second jacks 10 are parallel to the vertical direction. Of course, a tension/pressure sensor may be additionally installed on the first jack 3 and the second jack 10, so that the magnitude of the applied load may be monitored in real time and data may be collected in real time by the computer terminal.
In a more preferred embodiment, the mechanical load testing device further comprises at least one upright 11, wherein the bending moment beam 8 and the reaction force supporting beam 5 are arranged on the upright 11 and can slide along the upright 11.
In a preferred embodiment of the present invention, the bending moment beam 8 and the reaction force support beam 5 are each provided with a mechanical property testing and simulation system 4. Thereby, the bending moment beam 8 and the reaction force supporting beam 5 are controlled by the control unit, and the magnitude of the applied force is controlled by the computer terminal.
In order to enable a better mounting of the base 1, in a preferred embodiment, the base 1 is provided with foot bolts at its bottom, so that the base 1 can be detachably mounted on the mounting surface 7 by means of the foot bolts.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (6)
1. The mechanical load testing device for the variable working condition is characterized by comprising a base (1), a to-be-tested piece placing mechanism (2), a bending moment providing mechanism and a vertical force providing mechanism which are sequentially arranged from bottom to top, wherein the to-be-tested piece placing mechanism (2) is also provided with a horizontal force providing mechanism; wherein the content of the first and second substances,
the to-be-tested piece placing mechanism is arranged on the base (1);
the bending moment providing mechanism can slide along the vertical direction and can provide bending moment for a to-be-tested piece (6) arranged on the to-be-tested piece placing mechanism;
at least one of the bending moment providing mechanism, the vertical force providing mechanism and the horizontal force providing mechanism is provided with a mechanical property testing and simulating system (4);
the bending moment providing mechanism at least comprises a bending moment beam (8) which can be arranged above the to-be-tested piece placing mechanism in a sliding manner along the vertical direction, and two moment providing units which are arranged at two ends of the bending moment beam (8), and the directions of the moments provided by the two moment providing units are opposite;
the vertical force providing mechanism at least comprises a counter-force supporting beam (5) which can be arranged above the bending moment beam (8) in a sliding manner along the vertical direction;
and a mechanical property testing and simulating system (4) is arranged between the bending moment beam (8) and the counter-force supporting beam (5).
2. Mechanical load testing device according to claim 1, characterized in that the device (2) for placing a piece to be tested comprises at least a clamping member (9) arranged on the base (1), the horizontal force providing means being arranged on a surface of the clamping member (9) remote from the piece to be tested (6).
3. The mechanical load testing device of claim 2, wherein the horizontal force providing mechanism is a first jack (3) disposed on the clamping member (9), and a moment direction of the first jack (3) is parallel to a horizontal plane and faces the piece to be tested (6).
4. The mechanical load testing device of claim 1, wherein the two moment providing units are two second jacks (10) with opposite moments, the second jacks are respectively arranged at two ends of the bending moment beam (8), and the moment directions of the two second jacks (10) are parallel to the vertical direction.
5. Mechanical load testing device according to claim 1, characterized in that it further comprises at least one vertically arranged upright (11), said bending moment beams (8) and said counter-force support beams (5) being arranged on said upright (11) and being slidable along said upright (11).
6. Mechanical load testing device according to claim 1 or 2, characterized in that the base (1) is provided with foot bolts at its bottom, so that the base (1) can be detachably mounted on a mounting table (7) by means of the foot bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810734626.3A CN108896382B (en) | 2018-07-06 | 2018-07-06 | Mechanical load testing device for variable working conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810734626.3A CN108896382B (en) | 2018-07-06 | 2018-07-06 | Mechanical load testing device for variable working conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108896382A CN108896382A (en) | 2018-11-27 |
| CN108896382B true CN108896382B (en) | 2021-03-26 |
Family
ID=64348522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810734626.3A Active CN108896382B (en) | 2018-07-06 | 2018-07-06 | Mechanical load testing device for variable working conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896382B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924315A (en) * | 2021-03-31 | 2021-06-08 | 安徽省引江济淮集团有限公司 | Many sizes model pile bending moment calibration loading device |
| CN114059604B (en) * | 2021-11-11 | 2022-11-22 | 中国石油大学(华东) | Horizontal, vertical and bending moment composite loading test system and use method thereof |
Citations (3)
| 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 |
| CN205228930U (en) * | 2015-12-14 | 2016-05-11 | 江苏科技大学 | Building vertical member loading device with adjustable |
| CN107101874A (en) * | 2017-06-01 | 2017-08-29 | 中国航发湖南动力机械研究所 | Photosensitive resin model loading device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876388U (en) * | 2010-11-09 | 2011-06-22 | 浙江大学 | Three DOF plane loading device |
| CN103898929B (en) * | 2014-04-10 | 2016-05-18 | 山东电力工程咨询院有限公司 | Prestressed concrete pipe pile horizontal bearing attribute testing model and data test method |
| CN104089820B (en) * | 2014-07-14 | 2016-04-06 | 华东交通大学 | Subjected To Compression, Bending, Shear composite force component load testing machine |
| CN105300670B (en) * | 2014-07-28 | 2018-02-13 | 北京强度环境研究所 | Certain section axle external pressure Combined Trials load realization device |
| CN106053221A (en) * | 2016-05-24 | 2016-10-26 | 南华大学 | Bidirectional loading test device for rectangular rock mass |
| CN206515130U (en) * | 2017-01-25 | 2017-09-22 | 哈尔滨工业大学 | A kind of loading device tested for Space configuration formula structures with semi-rigid joints |
| CN107167368B (en) * | 2017-05-16 | 2023-03-10 | 华侨大学 | Concrete column pseudo-static test device after non-peripheral fire and implementation method thereof |
-
2018
- 2018-07-06 CN CN201810734626.3A patent/CN108896382B/en active Active
Patent Citations (3)
| 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 |
| CN205228930U (en) * | 2015-12-14 | 2016-05-11 | 江苏科技大学 | Building vertical member loading device with adjustable |
| CN107101874A (en) * | 2017-06-01 | 2017-08-29 | 中国航发湖南动力机械研究所 | Photosensitive resin model loading device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108896382A (en) | 2018-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108333046B (en) | Device for measuring mechanical property of membrane material and method for measuring by adopting device | |
| CN106153314B (en) | A kind of load of plane framework node and the shear-deformable measuring device in node area | |
| CN108896382B (en) | Mechanical load testing device for variable working conditions | |
| CN110095240B (en) | Auxiliary loading device for rigidity test of turbine engine case | |
| CN109211549B (en) | Structural component plane outer airbag loading test device | |
| CN208588633U (en) | A kind of beams of concrete three point bending test device | |
| CN107664603A (en) | The high-elastic isometric cupping machine of elastomer material | |
| CN110132762A (en) | High pressure servo true triaxial rockburst experimental facilities | |
| CN108195680A (en) | A kind of experimental rig for applying different constraints to native unit | |
| CN209689818U (en) | A kind of easy force sensor caliberating device | |
| CN207351813U (en) | The high-elastic isometric cupping machine of elastomer material | |
| CN103293065B (en) | Outward bending testing device of microstructural mechanical property sheet | |
| CN109115637A (en) | A kind of fatigue impact combination loading structure pilot system | |
| CN218212343U (en) | Rock lever type single-shaft creep test device | |
| US3914993A (en) | Rigid testing machine | |
| CN203811484U (en) | Device for testing creep performance of microwelding points | |
| CN203287240U (en) | Test apparatus for mechanical properties of experimental teaching materials | |
| CN103824488B (en) | The equivalent experiment platform of plane concurrent force system | |
| CN105157900A (en) | Measurement apparatus of prestress of membrane material | |
| CN209182153U (en) | A kind of true triaxial loading device suitable for false three-axis tester | |
| CN208012955U (en) | Overpressure resistance detecting device | |
| CN112730084A (en) | Load applying device and load applying system | |
| CN112326436A (en) | Device and method for testing mechanical properties of inner curtain cloth assembly of airship | |
| RU100255U1 (en) | STAND FOR TEST OF REINFORCED CONCRETE ELEMENTS FOR CROSS BENDING WITH STATIC LOADING | |
| JPH0954027A (en) | Biaxial loading tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |