CN201983978U - Clamping device for measuring elongation and fracture surface reduction rate after fracture of columnar tensile sample - Google Patents
Clamping device for measuring elongation and fracture surface reduction rate after fracture of columnar tensile sample Download PDFInfo
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- CN201983978U CN201983978U CN2011200936831U CN201120093683U CN201983978U CN 201983978 U CN201983978 U CN 201983978U CN 2011200936831 U CN2011200936831 U CN 2011200936831U CN 201120093683 U CN201120093683 U CN 201120093683U CN 201983978 U CN201983978 U CN 201983978U
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- supporting plate
- tensile sample
- push rod
- movable push
- fracture
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Abstract
Te utility model relates to a clamping device for measuring the elongation and the fracture surface reduction rate after the fracture of a columnar tensile sample. Grooves are arranged on two end surfaces of the tensile sample respectively; and the two grooves are positioned on a same axis; and the clamping device comprises a base plate which is horizontally arranged, first and second bracket plates which are vertically arranged at two ends of the base plate respectively, as well as a third bracket plate, a movable jacking rod and a fixed jacking rod, which are vertically arranged on the upper surface of the base plate. The device fully utilizes the grooves reserved at the ends of the tensile sample during machining for clamping, that is, pointed ends of the movable jacking rod and the fixed jacking rod are firmly propped against the tensile sample, so that one person is enough for measuring the lengths and the diameters simply and conveniently before and after the columnar sample is stretched, and further the working efficiency is greatly improved; and the device has a simple structure, is convenient for clamping, and can meet the requirements for the measurement of the elongation and the fracture surface reduction rate of the columnar horizontal tensile sample in a general mechanics laboratory.
Description
Technical field
The utility model relates to a kind of servicing unit of sample mechanical property test, relates in particular to the chucking device that a kind of column tensile sample elongation after fracture and reduction of area are measured.
Background technology
The mechanical property test of material is a kind of test of widespread use in the engineering, can be convenient to reasonably materials used of various industrial sectors such as machine-building, civil engineering work, metallurgy, thereby guarantees that machine, part etc. work safely and reliably.
As everyone knows, extensibility and reduction of area are two very important indexs in the material mechanical performance test; Yet, in existing mensuration column sample stretch percentage elongation and reduction of area process, cross section, length before and after the staff need break coupon are measured, this process, often need a people to control coupon, another people measures, so not only waste man-hour, and the measurement size of coupon after breaking is often inaccurate, in addition, traditional additional lock assembling device structure more complicated that is used for above-mentioned experiment with measuring, operation inconvenience, and cost is higher, therefore, in view of above situation, nowadays press for this device that clamps is improved.
The utility model content
In order to solve the problem that above-mentioned prior art exists, the utility model aims to provide a kind of column tensile sample elongation after fracture easy and simple to handle and the chucking device of reduction of area measurement, when realizing being installed the accurate centering of disconnected rod, agree with, improve operator's the efficient and the accuracy of reading.
The chucking device that a kind of column tensile sample elongation after fracture described in the utility model and reduction of area are measured, the both ends of the surface of described tensile sample are respectively equipped with a groove, and described two grooves are positioned at same axis, described chucking device comprise a horizontally disposed base plate, respectively vertically be arranged on first supporting plate at these base plate two ends and second supporting plate, vertically be arranged on the 3rd supporting plate, a movable push rod and a fixed mandril of plate upper surface
The side of described the 3rd supporting plate is provided with one and is used for first through hole that level wears described movable push rod;
The side of described second supporting plate is provided with one and is used for second through hole that level wears described fixed mandril, also offer one on this second supporting plate along horizontal radial and the slit that is communicated with described second through hole, and this slit closes up by a hand lever of tightening that vertically penetrates the described second supporting plate end face;
One end of described movable push rod and fixed mandril is respectively the tip with the groove of described tensile sample coupling, and the tip that should the activity push rod and the most advanced and sophisticated relative and coaxial setting of fixed mandril, described fixed mandril is fixedlyed connected with described second supporting plate by tightening hand lever, described movable push rod outer rim is arranged with two retainer plates and that are anchored on described the 3rd supporting plate two sides respectively and holds out against spring, and this end that holds out against spring is fixedlyed connected with the most advanced and sophisticated of described movable push rod, the other end is fixedlyed connected with the retainer plate near described second supporting plate, described movable push rod by tighten the screws with fixedly connected away from the retainer plate of described second supporting plate so that described movable push rod and fixed mandril push up firm described tensile sample.
In the chucking device that above-mentioned column tensile sample elongation after fracture and reduction of area are measured, described chucking device comprises that also one is movably connected in the drawer of described base plate lower surface by guide rail.
In the chucking device of above-mentioned column tensile sample elongation after fracture and reduction of area measurement, the described first supporting plate end face is offered a U type groove.
Owing to adopted above-mentioned technical solution, the groove that stays in the termination when the utility model makes full use of the machine work tensile sample is installed, even firm tensile sample is pushed up at the tip of movable push rod and fixed mandril, so only need a people to get final product the simple and convenient surveying work of finishing column sample stretching front and back length and diameter, thereby increase work efficiency greatly, simple in structure, the convenient mounting and clamping of the utility model can satisfy length growth rate and reduction of area requirement that the horizontal tensile sample of column is measured by General Mechanics testing laboratory.
Description of drawings
Fig. 1 is the user mode figure of the chucking device of the utility model a kind of column tensile sample elongation after fracture and reduction of area measurement;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is that the C-C of Fig. 1 is to view.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
See also Fig. 1 to Fig. 4, the both ends of the surface of tensile sample 9 are respectively equipped with a groove (not shown), and two grooves are positioned at same axis.
The utility model, it is the chucking device that a kind of column tensile sample elongation after fracture and reduction of area are measured, the 3rd supporting plate 4, one movable push rod 11, a fixed mandril 6 and one that it comprises a horizontally disposed base plate 2, vertically be arranged on first supporting plate 1 at these base plate 2 two ends and second supporting plate 3 respectively, vertically be arranged on base plate 2 upper surfaces are movably connected in the drawer 13 of base plate 2 lower surfaces by guide rail 12, wherein
First supporting plate, 1 end face is offered a U type groove 101;
The side of the 3rd supporting plate 4 is provided with one and is used for the first through hole (not shown) that level wears movable push rod 11;
The side of second supporting plate 3 is provided with one and is used for second through hole 30 that level wears fixed mandril 6, also offer one on this second supporting plate 3 along horizontal radial and the slit 31 that is communicated with described second through hole 30, and this slit 31 closes up by a hand lever 5 of tightening that vertically penetrates second supporting plate, 3 end faces;
One end of movable push rod 11 and fixed mandril 6 is respectively the tip with the groove coupling of tensile sample 9, and the tip that should activity push rod 11 and the most advanced and sophisticated relative and coaxial setting of fixed mandril 6, fixed mandril 6 is fixedlyed connected with second supporting plate 3 by tightening hand lever 5, movable push rod 11 outer rims are arranged with two retainer plates 7 and that are anchored on the 3rd supporting plate 4 two sides respectively and hold out against spring 10, and this end that holds out against spring 10 is fixedlyed connected with the most advanced and sophisticated of movable push rod 11, the other end is fixedlyed connected with the retainer plate 7 near second supporting plate 3, movable push rod 11 is fixedlyed connected with the retainer plate 7 away from second supporting plate 3 by tighten the screws 8, so that the firm tensile sample 9 of movable push rod 11 and fixed mandril 6 tops.
The utility model in use, the groove that stays in its two ends when utilizing lathe turning processing tensile sample 9 earlier is fixed on tensile sample 9 between movable push rod 11 and the fixed mandril 6, carries out surveying work then; If carry out the parameter measurement after tensile sample 9 is broken, then, make two sections sample axis on same straight line with the fracture surface of sample alignment, be fixed on then between movable push rod 11 and the fixed mandril 6, carry out surveying work.Concrete steps are as follows:
1, adjusts and to tighten slit 31 sizes of hand lever 5, thereby after fixed mandril 6 adjusted to correct position, tighten hand lever 5, fixed mandril 6 is fixed on second supporting plate 3 to regulate second supporting plate 3;
2, compression holds out against spring 10, and tensile sample 9 is placed between movable push rod 11 and the fixed mandril 6, and the groove at tensile sample 9 two ends is alignd with their tip respectively; Loosen holding out against spring 10, make the firm tensile sample 9 in movable push rod 11 and fixed mandril 6 tops, rotation tighten the screws 8, fixing movable push rod 11, thus keep the current clip position of tensile sample 9;
3, from drawer 13, take out vernier caliper, carry out measurement of correlation;
4, after measurement finishes, unscrew tighten the screws 8, compress and hold out against spring 10, take out tensile sample 9, off-test.
In sum, the utlity model has following advantage:
1, simple in structure, simple for production, it is all more common common that this device relates to parts, and the conventional test chamber can be according to the s own situation self manufacture;
2, convenient to operation, when this device utilized the tensile sample machine work, the groove that produces in both ends of the surface carried out clamping, a series of activities such as need one people can finish and be installed, measurement, reading.
Below embodiment has been described in detail the utility model in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the utility model according to the above description.Thereby some details among the embodiment should not constitute qualification of the present utility model, and the scope that the utility model will define with appended claims is as protection domain of the present utility model.
Claims (3)
1. the chucking device measured of column tensile sample elongation after fracture and reduction of area, the both ends of the surface of described tensile sample are respectively equipped with a groove, and described two grooves are positioned at same axis, it is characterized in that, described chucking device comprise a horizontally disposed base plate, respectively vertically be arranged on first supporting plate at these base plate two ends and second supporting plate, vertically be arranged on the 3rd supporting plate, a movable push rod and a fixed mandril of plate upper surface
The side of described the 3rd supporting plate is provided with one and is used for first through hole that level wears described movable push rod;
The side of described second supporting plate is provided with one and is used for second through hole that level wears described fixed mandril, also offer one on this second supporting plate along horizontal radial and the slit that is communicated with described second through hole, and this slit closes up by a hand lever of tightening that vertically penetrates the described second supporting plate end face;
One end of described movable push rod and fixed mandril is respectively the tip with the groove of described tensile sample coupling, and the tip that should the activity push rod and the most advanced and sophisticated relative and coaxial setting of fixed mandril, described fixed mandril is fixedlyed connected with described second supporting plate by tightening hand lever, described movable push rod outer rim is arranged with two retainer plates and that are anchored on described the 3rd supporting plate two sides respectively and holds out against spring, and this end that holds out against spring is fixedlyed connected with the most advanced and sophisticated of described movable push rod, the other end is fixedlyed connected with the retainer plate near described second supporting plate, described movable push rod by tighten the screws with fixedly connected away from the retainer plate of described second supporting plate so that described movable push rod and fixed mandril push up firm described tensile sample.
2. the chucking device that column tensile sample elongation after fracture according to claim 1 and reduction of area are measured is characterized in that, described chucking device comprises that also one is movably connected in the drawer of described base plate lower surface by guide rail.
3. the chucking device that column tensile sample elongation after fracture according to claim 1 and 2 and reduction of area are measured is characterized in that the described first supporting plate end face is offered a U type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200936831U CN201983978U (en) | 2011-04-01 | 2011-04-01 | Clamping device for measuring elongation and fracture surface reduction rate after fracture of columnar tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200936831U CN201983978U (en) | 2011-04-01 | 2011-04-01 | Clamping device for measuring elongation and fracture surface reduction rate after fracture of columnar tensile sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983978U true CN201983978U (en) | 2011-09-21 |
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ID=44611437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200936831U Expired - Lifetime CN201983978U (en) | 2011-04-01 | 2011-04-01 | Clamping device for measuring elongation and fracture surface reduction rate after fracture of columnar tensile sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983978U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230864A (en) * | 2011-04-01 | 2011-11-02 | 上海电气核电设备有限公司 | Clamping apparatus for measuring percentage elongation after fracture and shrinkage rate on cross section of columnar tensile sample |
| CN103512813A (en) * | 2012-06-20 | 2014-01-15 | 鞍钢股份有限公司 | Detection method for sample section shrinkage of hot stretching test |
| CN110470538A (en) * | 2019-08-26 | 2019-11-19 | 浙江天能电池江苏新能源有限公司 | Battery grid timeliness detection method |
-
2011
- 2011-04-01 CN CN2011200936831U patent/CN201983978U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230864A (en) * | 2011-04-01 | 2011-11-02 | 上海电气核电设备有限公司 | Clamping apparatus for measuring percentage elongation after fracture and shrinkage rate on cross section of columnar tensile sample |
| CN102230864B (en) * | 2011-04-01 | 2012-10-10 | 上海电气核电设备有限公司 | Clamping apparatus for measuring percentage elongation after fracture and shrinkage rate on cross section of columnar tensile sample |
| CN103512813A (en) * | 2012-06-20 | 2014-01-15 | 鞍钢股份有限公司 | Detection method for sample section shrinkage of hot stretching test |
| CN110470538A (en) * | 2019-08-26 | 2019-11-19 | 浙江天能电池江苏新能源有限公司 | Battery grid timeliness detection method |
| CN110470538B (en) * | 2019-08-26 | 2021-10-01 | 浙江天能电池江苏新能源有限公司 | Method for detecting timeliness of storage battery grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110921 Effective date of abandoning: 20121010 |