CN110553913A - Cold casting material extrusion elasticity modulus test tool - Google Patents
Cold casting material extrusion elasticity modulus test tool Download PDFInfo
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- CN110553913A CN110553913A CN201910897057.9A CN201910897057A CN110553913A CN 110553913 A CN110553913 A CN 110553913A CN 201910897057 A CN201910897057 A CN 201910897057A CN 110553913 A CN110553913 A CN 110553913A
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- platform
- upright post
- extensometer
- bottom plate
- top plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000005266 casting Methods 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000001125 extrusion Methods 0.000 title claims abstract description 38
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000009778 extrusion testing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 238000011056 performance test Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000013142 basic testing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
Classifications
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- 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Abstract
The invention relates to a test tool for cold casting material extrusion elastic modulus, which utilizes an upper support column and a lower support column as fixed ends of the tool, wherein the upper platform bottom plate and a lower platform top plate form a workbench, circular bosses are arranged on the upper platform bottom plate and the lower platform top plate and are used for clamping a prism of a cold casting material The extensometer and the main machine do not need a large amount of investment.
Description
Technical Field
The invention relates to a test tool, in particular to a test tool for an extrusion performance test of a cold casting material.
Background
The cold casting material is used for forming a steel wire rope rigging joint, the steel wire rope rigging joint is conical, an inner hole is also conical, when the steel wire rope is cast, the steel wire rope penetrates into the inner hole and is scattered, the casting material is poured in, and after the casting material is solidified, the casting material and the steel wire can form a casting cone for bearing the load of the steel wire rope. The cold casting material is polyethylene resin, and the cold casting material is separately cast into a hexahedral prism with a certain size for carrying out an extrusion performance test when in use, and the extrusion elastic modulus is an important test item.
The existing steel strand relaxation testing machine is mainly used for creep, endurance and relaxation tests of metal materials, and the basic testing parameters of the existing steel strand relaxation testing machine are the deformation of a steel wire under various loads. The steel strand relaxation testing machine comprises a workbench, a host machine, an upper chuck, a lower chuck and an extensometer, wherein the host machine comprises a processor, a display and a printer, the workbench comprises a cross beam, a base and two upright columns between the cross beam and the base, the upper chuck and the lower chuck are connected with a measuring steel wire through a pin shaft, and the upper chuck moves up and down through a driving device.
the extrusion properties of plastics are usually carried out on special test equipment, which is expensive to develop and introduce and is not used frequently. Therefore, improvement on the basis of the existing testing machine is the development direction for saving cost and improving utilization rate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cold casting material extrusion elastic modulus test tool which is simple in structure, low in cost and convenient to use.
The invention relates to a cold casting material extrusion elastic modulus test tool, which comprises an upper chuck, a lower chuck, an upper support column, a lower support column, an upper platform top plate, an upper platform bottom plate, a first upper platform upright column, a second upper platform upright column, a lower platform top plate, a lower platform bottom plate, a first lower platform upright column, a second lower platform upright column, a first extensometer, a second extensometer, a first extensometer seat, a second extensometer seat, a first extensometer support and a second extensometer support, wherein the upper end of the upper support column is fixedly connected with the upper chuck, the lower end of the upper support column is fixedly connected with the upper platform top plate, the upper platform top plate is arranged in parallel with the upper platform bottom plate, the first upper platform upright column is arranged in parallel with the second upper platform upright column, the first upper platform upright column is vertically arranged with the upper platform bottom plate, the upper end and the lower end of the first upper platform upright column are respectively fixedly connected with the upper platform top plate and the upper platform, The lower end of the lower support column is fixedly connected with an upper platform top plate and an upper platform bottom plate respectively, the lower end of the lower support column is fixedly connected with a lower chuck, the upper end of the lower support column is fixedly connected with a lower platform bottom plate, the lower platform top plate is arranged in parallel with the upper platform bottom plate, a first lower platform upright column is arranged in parallel with a second lower platform upright column, the first lower platform upright column is perpendicular to the lower platform top plate, the lower ends of the first lower platform upright column and the second lower platform upright column are fixedly connected with the lower platform bottom plate respectively, the upper ends of the first lower platform upright column and the second lower platform upright column penetrate through the upper platform bottom plate and are fixedly connected with the lower platform top plate respectively, the upper platform bottom plate and the lower platform top plate are arranged in parallel and form a workbench for extrusion test, a first extensometer support and a second extensometer support are fixed at the left end and the right end of the lower platform top plate respectively, a first, And the first extensometer and the second extensometer are used for acquiring data and transmitting the data to the processor, and the processed data is transmitted to the display.
The invention relates to a cold casting material extrusion elastic modulus test tool, wherein a lower circular boss is fixed on the upper surface of an upper platform bottom plate, an upper circular boss is fixed on the lower surface of a lower platform top plate, and a cold casting material prism is clamped between the lower circular boss and the upper circular boss.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein a lower platform top plate is positioned in a quadrilateral frame formed by an upper platform top plate, an upper platform upright post I, an upper platform bottom plate and an upper platform upright post II.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein the upper end of an upper chuck is connected with a driving device, and the driving device drives the upper chuck to move up and down.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein two ends of an upper platform upright post I and an upper platform upright post II are respectively provided with a screw thread, two ends of the upper platform upright post I and the upper platform upright post II penetrate through an upper platform top plate and an upper platform bottom plate and are locked by nuts, two ends of a lower platform upright post I and a lower platform upright post II are respectively provided with a screw thread, and two ends of the lower platform upright post I and the lower platform upright post II penetrate through a lower platform top plate and a lower platform bottom plate and are locked by nuts.
the invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein a driving device comprises a motor, a speed reducer connected with an output shaft of the motor and an oil cylinder connected with an output shaft of the speed reducer.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein the lower end of an upper support column is provided with a thread, the lower end of the upper support column penetrates through a top plate of an upper platform and is locked by a nut, the upper end of a lower support column is provided with a thread, and the lower end of the lower support column penetrates through a bottom plate of the lower platform and is locked by a nut.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein the upper end of an upper support column penetrates through a central hole of an upper chuck and is fixed by a first pin shaft, and the lower end of a lower support column penetrates through a central hole of a lower chuck and is fixed by a second pin shaft.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein a first extensometer support and a second extensometer support are fixed on a top plate of a lower platform through bolts, adjustable openings are arranged on the first extensometer support and the second extensometer support, and a first extensometer seat and a second extensometer seat are in threaded connection with a bottom plate of an upper platform.
The invention relates to a test tool for the extrusion elastic modulus of a cold casting material, wherein the upper end of an upper chuck penetrates through a cross beam and is connected with an oil cylinder, the lower end of a lower chuck is fixed on a base, and a left upright and a right upright are arranged between the cross beam and the base.
the invention relates to a cold casting material extrusion elastic modulus test tool which is different from the prior art in that the cold casting material extrusion elastic modulus test tool uses an upper support column and a lower support column as fixed ends of the tool, an upper platform bottom plate and a lower platform top plate form a workbench, round bosses are arranged on the upper platform bottom plate and the lower platform top plate and are used for clamping a cold casting material prism (test block), the structure is simple, when the tool is used, the upper support column is connected with an upper chuck, the lower support column is connected with a lower chuck, when the tool is used, the lower support column is not moved, namely the lower platform top plate is not moved, the upper support column moves upwards to drive the upper platform bottom plate to move upwards to form extrusion on a casting material, a first extensometer and a second extensometer are fixed on the lower platform top plate, a first extensometer and a second extensometer move upwards along with the upper platform bottom plate and are contacted with the first extensometer and the second extensometer and transmit collected data to a processor after the extensometer, the processor transmits the processed material to the display, so that the extrusion elastic modulus test of the cold casting material can be completed, the use is convenient, the chuck, the extensometer and the host of the existing testing machine are fully utilized, and a large amount of investment is not needed.
The extrusion modulus of elasticity test tool for cold casting materials is further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a cold cast extrusion modulus of elasticity test tool of the present invention showing a cold cast prism;
FIG. 2 is a partial cross-sectional view of FIG. 1;
FIG. 3 is a left side view of the cold-cast billet extrusion modulus of elasticity test tooling of the present invention, wherein the left column is not shown;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of the installation of extensometer one.
Detailed Description
As shown in figures 1 and 2, the cold casting material extrusion elastic modulus test tool comprises an upper chuck 10, a lower chuck 10 ', an upper support column 1, a lower support column 1 ', an upper platform top plate 2, an upper platform bottom plate 2 ', an upper platform upright post I3, an upper platform upright post II 3 ', a lower platform top plate 4, a lower platform bottom plate 4 ', a lower platform upright post I5, a lower platform upright post II 5 ', a extensometer I6, an extensometer II 6 ', an extensometer seat I7, an extensometer seat II 7 ', an extensometer support I8 and an extensometer support II 8 ', which can move up and down.
As shown in figure 2, the upper end of an upper support column 1 is fixedly connected with an upper chuck 10, the lower end of the upper support column 1 is fixedly connected with an upper platform top plate 2, the upper platform top plate 2 is arranged in parallel with an upper platform bottom plate 2 ', a first upper platform upright 3 is arranged in parallel with a second upper platform upright 3', the first upper platform upright 3 is arranged perpendicular to the upper platform bottom plate 2 ', the upper end of the first upper platform upright 3 is fixedly connected with the upper platform top plate 2, the lower end of the first upper platform upright 3 is fixedly connected with the upper platform bottom plate 2', the upper end and the lower end of the second upper platform upright 3 'are respectively fixedly connected with the upper platform top plate 2 and the upper platform bottom plate 2', the lower end of a lower support column 1 'is fixedly connected with a lower chuck 10', the upper end of the lower support column 1 'is fixedly connected with the lower platform bottom plate 4', the lower platform top plate 4 'is arranged in parallel with the upper platform bottom plate 4', a first lower platform upright 5, the lower platform upright post 5 is perpendicular to the lower platform top plate 4, the lower end of the lower platform upright post 5 and the lower end of the lower platform upright post 5 ' are respectively fixedly connected with the lower platform bottom plate 4 ', the upper end of the lower platform upright post 5 and the upper end of the lower platform upright post 5 ' penetrate through the upper platform bottom plate 2 ' and are respectively fixedly connected with the lower platform top plate 4, the upper platform bottom plate 2 ' and the lower platform top plate 4 are arranged in parallel and form a workbench for extrusion test, the upper surface of the upper platform bottom plate 2 ' is welded with a lower circular boss 9 ', the lower surface of the lower platform top plate 4 is welded with an upper circular boss 9, the upper surface of the lower circular boss 9 ' is polished to be smooth with the lower surface of the upper circular boss 9, and a cold casting material prism is clamped between the lower circular boss 9 ' and.
Referring to fig. 1, 2 and 6, the first extensometer bracket 8 and the second extensometer bracket 8' are symmetrically fixed at the left end and the right end of the lower platform top plate 4 through bolts, as shown in fig. 5, two ends of the first extensometer seat and the second extensometer seat are respectively provided with a round hole, and the bolts penetrate through the round holes and are screwed in the threaded holes at the side surfaces of the two ends of the lower platform top plate 4. The first extensometer seat 7 and the second extensometer seat 7 ' are fixed in threaded holes formed in the upper platform bottom plate 2 ', as shown in fig. 5, a first adjustable opening 81 is formed in the first extensometer support 8, a second adjustable opening 81 ' is formed in the second extensometer support 8 ', the first extensometer 6 is arranged in the first adjustable opening 81, the second extensometer 6 ' is arranged in the second adjustable opening 81 ', the first extensometer 6 is arranged right opposite to the first extensometer seat 7, the second extensometer 6 ' is arranged right opposite to the second extensometer seat 7 ', the first extensometer 6 and the second extensometer 6 ' are used for collecting data and transmitting the data to the processor, and the data are transmitted to the display after processing. The sensor is connected with the processor through a cable, the processor is connected with the display, and the processor is further connected with the printer.
as shown in fig. 2, the lower platform top plate 4 is located in a quadrilateral frame formed by the upper platform top plate 2, the upper platform upright post 3, the upper platform bottom plate 2 'and the upper platform upright post 3'. The two ends of the upper platform upright post I3 and the upper platform upright post II 3 'are respectively provided with threads, the two ends of the upper platform upright post I3 respectively penetrate through the upper platform top plate 2 and the upper platform bottom plate 2' and are locked by nuts, the two ends of the upper platform upright post II 3 'respectively penetrate through the upper platform top plate 2 and the upper platform bottom plate 2' and are locked by nuts, the two ends of the lower platform upright post I5 and the lower platform upright post II 5 'are respectively provided with threads, the two ends of the lower platform upright post I5 respectively penetrate through the lower platform top plate 4 and the lower platform bottom plate 4' and are locked by nuts, and the two ends of the lower platform upright post II 5 'respectively penetrate through the lower platform top plate 4 and the lower platform bottom plate 4' and are. The lower end of the upper support column 1 is provided with threads, the lower end of the upper support column 1 penetrates through the upper platform top plate 2 and is locked by nuts, the upper end of the lower support column 1 ' is provided with threads, and the lower end of the lower support column 1 ' penetrates through the lower platform bottom plate 4 ' and is locked by nuts.
The upper end of the upper chuck 10 is connected to a driving device, not shown in the figure, the driving device comprises a motor, a reducer connected to an output shaft of the motor, and an oil cylinder connected to an output shaft of the reducer, and the other end of the oil cylinder is connected to the upper end of the upper chuck 10. The driving device drives the upper chuck 10 to move up and down, and further drives the upper support column 1 to move up and down. As shown in fig. 2, the upper end of the upper chuck 10 passes through the cross beam 12 and is connected with the oil cylinder, the lower end of the lower chuck 10 'is fixed on the base 12', and a left upright 13 and a right upright 13 'are arranged between the cross beam 12 and the base 12'.
As shown in fig. 2, the upper end of the upper support column 1 penetrates through the central hole 101 of the upper chuck 10 and is fixed by the first pin 11, and the lower end of the lower support column 1 'penetrates through the central hole 101' of the lower chuck 10 'and is fixed by the second pin 11'.
As shown in fig. 2, the upper support column 1 and the lower support column 1' are cylindrical stepped shafts, the upper end of the upper support column 1 is provided with a transverse pin hole for fixing with the first pin shaft 11, and the lower end of the upper support column 1 is provided with an external thread.
As shown in fig. 2 and 4, the upper platform top plate 2 and the upper platform bottom plate 2 ' are narrow rectangular flat plates, the center and two ends of the upper platform top plate 2 are provided with round holes, the lower end of the upper support column 1 extends into the round hole in the center of the upper platform top plate 2 and is locked by nuts, the round holes are formed in the two ends of the upper platform bottom plate 2 ', the first upper platform upright post 3 and the second upper platform upright post 3 ' both adopt cylindrical stepped shafts, the two ends of the two have external threads, the first upper platform upright post 3 and the upper end of the second upper platform upright post 3 ' penetrate through the round holes formed in the two ends of the upper platform top plate 2 and are locked and fixed by nuts, the first upper platform upright post 3 and the lower end of the second upper platform upright post 3 ' penetrate through the round holes formed in the two ends of.
As shown in fig. 2 and 5, the lower platform top plate 4 and the lower platform bottom plate 4 'are narrow rectangular flat plates, the center and two ends of the lower platform bottom plate 4' are both provided with round holes, the upper end of the lower support column 1 'extends into the round hole of the center of the lower platform bottom plate 4' and is locked by nuts, the two ends of the lower platform top plate 4 are provided with round holes, the first lower platform upright post 5 and the second lower platform upright post 5 'both adopt cylindrical stepped shafts, both ends of the two have external threads, the upper end of the first lower platform upright post 5 and the upper end of the second lower platform upright post 5' pass through the upper platform bottom plate 2 ', the round holes arranged at two ends of the lower platform top plate 4 are locked and fixed by nuts, and the lower end of the first lower platform upright post 5 and the second lower platform upright post 5' pass through the round holes.
FIG. 1 is a diagram of the use state of the tool for testing the extrusion elastic modulus of the cold casting material. As shown in fig. 1, when in use, the upper end of the upper support column 1 penetrates into the upper chuck 10 and is fixed by the first pin shaft 11; the lower end of the upper support column 1 penetrates through a central circular hole of the top plate 2 of the upper platform and is locked by a nut; the first and second upper platform upright posts respectively penetrate through round holes at two ends of the top plate 2 and the bottom plate 2' of the upper platform and are locked by nuts; the lower support column 1 ' penetrates into the lower chuck 10 ' and is fixed by a second pin shaft 11 '; the upper end of the lower support column 1 'penetrates into a central circular hole of the lower platform bottom plate 4' and is locked by a nut; the first and second lower platform upright posts firstly penetrate through round holes at two ends of a lower platform bottom plate 4', then penetrate through round holes of a lower platform top plate 4 and are respectively locked by nuts; the first extensometer bracket and the second extensometer bracket are arranged on the side surfaces of two ends of the top plate 4 of the lower platform, the bolts are screwed, and the first extensometer bracket and the second extensometer bracket are arranged in the extensometer bracket and screws are screwed; the first extensometer seat and the second extensometer seat are screwed into threaded holes of the upper platform bottom plate 2'. The positions of the upper and lower chucks of the testing machine are adjusted, and the prism 14 (test block) of the cold casting material is placed on the lower round boss 9 'of the upper platform bottom plate 2', so that the test can be started according to the relevant test program.
The device is used for testing the extrusion performance of plastics such as cold casting materials, the test tool can meet the test requirements by utilizing hardware and software of a steel strand relaxation testing machine without purchasing special equipment, and has the advantages of simple structure, low investment and convenient use. The test curve can be displayed on a display in real time, and the test result can be printed by a printer. The processor, the display, the printer and the software all adopt the known structure of the steel strand relaxation testing machine, and are not described in detail.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a cold casting material extrusion elastic modulus test fixture, includes last chuck (10) that can reciprocate, lower chuck (10'), its characterized in that: the device is characterized by further comprising an upper supporting column (1), a lower supporting column (1 '), an upper platform top plate (2), an upper platform bottom plate (2'), an upper platform upright post (3 '), a lower platform top plate (4), a lower platform bottom plate (4'), a lower platform upright post (5 '), a extensometer (6'), a extensometer seat (7 '), a extensometer support (8) and a extensometer support (8'),
the upper end of an upper supporting column (1) is fixedly connected with an upper chuck (10), the lower end of the upper supporting column (1) is fixedly connected with an upper platform top plate (2), the upper platform top plate (2) is arranged in parallel with an upper platform bottom plate (2 '), a first upper platform upright post (3) is arranged in parallel with a second upper platform upright post (3'), the first upper platform upright post (3) is vertically arranged with the upper platform bottom plate (2 '), the upper end and the lower end of the first upper platform upright post (3) are respectively fixedly connected with the upper platform top plate (2) and the upper platform bottom plate (2'), the upper end and the lower end of the second upper platform upright post (3 ') are respectively fixedly connected with the upper platform top plate (2) and the upper platform bottom plate (2'),
The lower end of a lower support column (1 ') is fixedly connected with a lower chuck (10'), the upper end of the lower support column (1 ') is fixedly connected with a lower platform bottom plate (4'), a lower platform top plate (4) is arranged in parallel with the upper platform bottom plate (4 '), a first lower platform upright post (5) is arranged in parallel with a second lower platform upright post (5'), the first lower platform upright post (5) is arranged vertically to the lower platform top plate (4), the lower ends of the first lower platform upright post (5) and the second lower platform upright post (5 ') are respectively fixedly connected with the lower platform bottom plate (4'), the upper ends of the first lower platform upright post (5) and the second lower platform upright post (5 ') penetrate through the upper platform bottom plate (2') and are respectively fixedly connected with the lower platform top plate (4),
The upper platform bottom plate (2') and the lower platform top plate (4) are arranged in parallel and form a working table for an extrusion test,
The first extensometer support and the second extensometer support (8, 8 ') are respectively fixed at the left end and the right end of the lower platform top plate (4), the first extensometer seat and the second extensometer seat (7, 7') are fixed on the upper platform bottom plate (2 '), the first extensometer support and the second extensometer support (6, 6') are respectively arranged on the first extensometer support (8) and the second extensometer support (8 '), the first extensometer support and the second extensometer support (6, 6') are arranged right opposite to the first extensometer seat and the second extensometer support (7, 7 '), and the first extensometer support and the second extensometer support (6, 6') are used for acquiring data and transmitting the data to the processor and transmitting the data to the display after processing.
2. The cold casting material extrusion elastic modulus test tool according to claim 1, characterized in that: the upper surface of the upper platform bottom plate (2 ') is fixed with a lower circular boss (9 '), the lower surface of the lower platform top plate (4) is fixed with an upper circular boss (9), and a cold casting material prism is clamped between the lower circular boss (9 ') and the upper circular boss (9).
3. The cold casting material extrusion elastic modulus test tool according to claim 2, characterized in that: the lower platform top plate (4) is positioned in a quadrilateral frame formed by the upper platform top plate (2), the upper platform upright post I (3), the upper platform bottom plate (2 ') and the upper platform upright post II (3').
4. The cold casting material extrusion elastic modulus test tool according to claim 3, characterized in that: the upper end of the upper chuck (10) is connected with a driving device, and the driving device drives the upper supporting column (10) to move up and down.
5. The cold casting material extrusion elastic modulus test tool according to claim 4, characterized in that: both ends of the upper platform upright post I (3) and the upper platform upright post II (3 ') are provided with threads, both ends of the upper platform upright post I (3) and the upper platform upright post II (3') penetrate through the upper platform top plate (2) and the upper platform bottom plate (2 ') and are locked by nuts, both ends of the lower platform upright post I (5) and the lower platform upright post II (5') are provided with threads, and both ends of the lower platform upright post I (5) and the lower platform upright post II (5 ') penetrate through the lower platform top plate (4) and the lower platform bottom plate (4') and are locked by nuts.
6. The cold casting material extrusion elastic modulus test tool according to claim 5, characterized in that: the driving device comprises a motor, a speed reducer connected with an output shaft of the motor and an oil cylinder connected with an output shaft of the speed reducer.
7. The cold casting material extrusion elastic modulus test tool according to claim 6, characterized in that: the lower end of the upper supporting column (1) is provided with threads, the lower end of the upper supporting column (1) penetrates through the upper platform top plate (2) and is locked by nuts, the upper end of the lower supporting column (1 ') is provided with threads, and the lower end of the lower supporting column (1 ') penetrates through the lower platform bottom plate (4 ') and is locked by nuts.
8. the cold casting material extrusion elastic modulus test tool according to claim 7, characterized in that: the upper end of the upper supporting column (1) penetrates through a center hole (101) of the upper chuck (10) and is fixed by a first pin shaft (11), and the lower end of the lower supporting column (1 ') penetrates through a center hole (101') of the lower chuck (10 ') and is fixed by a second pin shaft (11').
9. The cold casting material extrusion elastic modulus test tool according to claim 8, characterized in that: the extensometer comprises a lower platform top plate (4), extensometer supports I and II (8 and 8 ') and a lower platform bottom plate (2 '), wherein the extensometer supports I and II (8 and 8 ') are fixed on the lower platform top plate (4) through bolts, adjustable openings I and II (81 and 81 ') are arranged on the extensometer supports I and II (8 and 8 '), and extensometer seats I and II (7 and 7 ') are in threaded connection with the upper platform bottom plate (2 ').
10. The cold casting material extrusion elastic modulus test tool according to claim 9, characterized in that: the upper end of the upper chuck (10) penetrates through the cross beam (12) and is connected with the oil cylinder, the lower end of the lower chuck (10 ') is fixed on the base (12'), and a left upright post (13) and a right upright post (13 ') are arranged between the cross beam (12) and the base (12').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910897057.9A CN110553913A (en) | 2019-09-23 | 2019-09-23 | Cold casting material extrusion elasticity modulus test tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910897057.9A CN110553913A (en) | 2019-09-23 | 2019-09-23 | Cold casting material extrusion elasticity modulus test tool |
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| CN110553913A true CN110553913A (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362470A (en) * | 2020-10-10 | 2021-02-12 | 巨力索具股份有限公司 | Method for accurately measuring elastic modulus of cast resin test block |
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| CN207423679U (en) * | 2017-11-14 | 2018-05-29 | 上海航空材料结构检测股份有限公司 | Metal material pin-type carries squeeze test device |
| CN110208085A (en) * | 2019-05-27 | 2019-09-06 | 中国飞机强度研究所 | A kind of metal material hole squeeze test device and test method |
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