CN215640561U - Combined type sample fracture measuring device - Google Patents

Abstract

The utility model provides a combined type sample fracture measuring device which comprises a base, a movable fixing mechanism, a movable ruler component and a graduated scale, wherein samples with various cross sections can be clamped and fixed through a four-jaw chuck, the interfaces of tensile samples fractured into two sections can be aligned conveniently through the rotation of a bearing, two bearing seats can slide along a fixed adjusting slideway, and the device is suitable for samples with various lengths, so that the two sections of tensile samples can be butted quickly and simply, the measurement is convenient, the two movable ruler components are used for aligning two original marks of the samples, and the graduated scale can be used for quickly and accurately measuring the gauge length of the tensile samples after fracture by matching with the graduated scale without using an additional measuring tool for measurement, the measurement efficiency can be improved, and the error can be reduced.

Description

Combined type sample fracture measuring device

Technical Field

The utility model relates to the technical field of sample measuring equipment, in particular to a combined type sample fracture measuring device.

Background

In the metal material tensile mechanical property test, in order to obtain the elongation after fracture of a tensile sample, the gauge length of the sample after fracture needs to be measured, then some mechanical parameters of the material are obtained by calculation, the measuring method is that the gauge length is marked in advance, then the tensile test sample is pulled apart by a tensile testing machine, the gauge length of the broken tensile test sample is measured, and then the related parameters are obtained by calculation, in the process of measuring the gauge length after the tensile sample is broken in the prior art, the tensile sample which is broken into two sections is manually held by one hand and is butted again, and then the other hand holds measuring tools such as a graduated scale and the like for measurement, or the tensile sample which is broken into two sections is directly placed on a table top and is simply spliced for measurement, the method has high requirements on the proficiency of measuring personnel, and other people are required to cooperate to finish the measurement if necessary.

The utility model provides a supplementary frock is used in gauge length measurement after tensile sample breaks that disclosure number is CN203414340U, it is through placing the sample in the recess of "V" form to use first installation piece and second installation piece to support the sample from both ends at both ends, the measurement of sample fracture has been made things convenient for to a certain extent, but the recess of "V" form only is applicable to columniform sample, very inconvenient when pressing from both sides tight and fixed the sample of different cross-sections, place the tensile sample that has broken into two sections in the recess, it is also comparatively difficult when butt joint again, and the device only can fix, still need use measuring tool in addition to measure, measurement efficiency is still lower, speed is also slower.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a composite sample fracture measuring device to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a combined type sample measuring device that breaks, includes base, removal fixed establishment, removes chi subassembly and scale, wherein:

the base up end is provided with parallel fixed adjustment slide and removes the chi slide, fixed adjustment slide both ends are installed two relative can be in the gliding removal fixed establishment of fixed adjustment slide for fixed sample, it can be in removing the gliding removal chi subassembly of chi slide to be provided with two sets ofly in removing the chi slide to remove the chi slide, the base that removes the chi slide outside is provided with rather than parallel scale for measure two distances of removing between the chi subassembly.

Preferably, remove the chi subassembly by remove base, location chi, connecting screw, wing nut and index mark and constitute, remove the base card in removing the chi slide, it is provided with the U-shaped groove to remove the base upper end, and the location chi setting is at the U-shaped inslot, connecting screw runs through and removes the base and the location chi is connected the two, the wing nut is installed through the thread engagement at the connecting screw both ends, wing nut supports and is removing the base lateral surface, it is provided with the index mark to remove the base outside, the index mark is towards the scale.

Preferably, the movable fixing mechanism is composed of a bearing seat, a bearing and a four-jaw chuck, the bearing seat is clamped in the fixed adjusting slide way, the bearing is installed on the bearing seat, and the four-jaw chuck is installed on the bearing.

Preferably, the bottom cross-sections of the movable base and the bearing seat are inverted T-shaped, and the cross-sectional shapes of the fixed adjusting slide way and the movable ruler slide way are respectively matched with the bottom shapes of the movable base and the bearing seat.

Preferably, the zero scale mark of the graduated scale is arranged in the middle, and the rest scale marks are sequentially increased along the two sides of the zero scale mark.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can clamp and fix samples with various cross sections, the interfaces of the tensile samples which are broken into two sections are convenient to align through the rotation of the bearing, and the two bearing seats can slide along the fixed adjusting slide way and are suitable for samples with various lengths, so that the two sections of tensile samples are quickly and simply butted again, the measurement is convenient, two movable ruler components are used for aligning two original marks of the samples, the scale distance of the broken tensile samples can be quickly and accurately measured by matching with the graduated scale, an additional measuring tool is not needed for measurement, the measurement efficiency can be improved, and the error can be reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a mobile fastening mechanism according to the present invention;

FIG. 3 is a schematic side view of the fixed adjustment slide and the movable ruler slide of the present invention;

FIG. 4 is a schematic structural view of the bedridden body of the utility model when the bottom plate blocks the through hole on the bottom surface;

FIG. 5 is an enlarged view of the structure at A in the present invention.

In the figure: the device comprises a base 1, a fixed adjusting slide way 11, a movable ruler slide way 12, a movable fixing mechanism 2, a bearing seat 201, a bearing 202, a four-jaw chuck 203, a movable ruler component 3, a movable base 301, a positioning ruler 302, a connecting screw 303, a wing nut 304, an indicator 305 and a graduated scale 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1 to 5, the present invention provides a technical solution:

the utility model provides a combined type sample measuring device that breaks, includes base 1, removes fixed establishment 2, removes chi subassembly 3 and scale 4, wherein:

the up end of base 1 is provided with parallel fixed adjustment slide 11 and removal chi slide 12, fixed adjustment slide 11 both ends are fixed with two relative can be in the gliding removal fixed establishment 2 of fixed adjustment slide 11, fixed adjustment slide 11 both ends are installed and are removed fixed establishment 2, removal fixed establishment 2 comprises bearing frame 201, bearing 202 and four-jaw chuck 203, bearing frame 201 card is in fixed adjustment slide 11, the bottom cross-section of bearing frame 201 is the T font of invering, the cross-sectional shape of fixed adjustment slide 11 and the bottom shape phase-match of bearing frame 201, and bearing frame 201 only can slide along fixed adjustment slide 11, and the T font structure of invering lets bearing frame 201 can' T move along the direction with fixed adjustment slide 11 slope to prevent that bearing frame 201 from rocking, install bearing 202 on the bearing frame 201, install four-jaw chuck 203 on bearing 202, four-jaw chuck 203 on two bearing frames 201 sets up relatively, four-jaw chuck 203 can rotate round bearing 202, four-jaw chuck 203 adopts four-jaw independent chuck, by a disk body, four lead screws, a pair of jack catch is constituteed, the during operation drives four claws respectively with four lead screws and removes, every jack catch all can the isolated motion, consequently, four-jaw independent chuck does not have the effect of self-centering, but can pass through the four-jaw position of adjustment, thereby can the clamping fixed cross-section be the sample of various shapes, and through the rotation of bearing 202, realize the rotation of four-jaw chuck 203 and its clamping sample, conveniently align the tensile sample interface that breaks into two sections, when two bearing frames 201 slide along fixed adjustment slide 11, can adjust the distance between two four-jaw chucks 203, be fit for the sample of various lengths, thereby quick, And the two sections of tensile samples are simply butted again, so that the measurement is convenient.

The base 1 outside the movable ruler slide way 12 is provided with a graduated scale 4 parallel to the base, the zero graduation mark of the graduated scale 4 is arranged in the middle, other graduation marks are sequentially increased along two sides of the zero graduation mark to facilitate reading, two groups of movable ruler components 3 are arranged in the movable ruler slide way 12, each movable ruler component 3 comprises a movable base 301, a positioning ruler 302, a connecting screw 303, a wing nut 304 and an indicator sign 305, the movable base 301 is clamped in the movable ruler slide way 12, the bottom section of the movable base 301 is inverted T-shaped, the section shape of the movable ruler slide way 12 is matched with the bottom shape of the movable base 301, the movable base 301 can only slide along the movable ruler slide way 12, the inverted T-shaped structure enables the movable base 301 not to move along the direction inclined with the movable ruler slide way 12, so as to prevent the movable base 301 from shaking, the upper end of the movable base 301 is provided with a U-shaped groove, the positioning ruler 302 is arranged in the U-shaped groove, the connecting screw 303 penetrates through the movable base 301 and the positioning ruler 302 to connect the movable base 301 and the positioning ruler 302, the positioning ruler 302 can rotate around the connecting screw 303 in the U-shaped groove, so that the positioning ruler 302 can rotate by an angle to abut against the surface of a sample, the measurement is more accurate, and errors are reduced, the wing nuts 304 are arranged at two ends of the connecting screw 303 through thread engagement, the wing nuts 304 abut against the outer side surface of the movable base 301, when the wing nuts 304 are screwed down, the distance of the U-shaped groove can be reduced by extruding the movable base 301, so that the inner side wall of the movable base 301 abuts against the positioning ruler 302, the positioning ruler 302 is fixed at a certain angle, the indicating mark 305 is arranged on the outer side of the movable base 301, the indicating mark 305 faces towards the graduated scale 4, the reading is convenient, and two original marks of the sample are aligned through the two movable ruler components 3, the scale distance of the broken tensile sample can be quickly and accurately measured by matching with the graduated scale 4, and the measurement can be carried out without using an additional measuring tool, so that the measurement efficiency can be improved, and the error can be reduced.

The use principle of the utility model is as follows: the method comprises the steps of respectively placing two tensile samples which are broken into two sections in the centers of two four-jaw chucks 203, adjusting four jaws of the four-jaw chucks 203, fixing a style, then rotating the four-jaw chucks 203, enabling original marks on the samples to face upwards, pushing a bearing seat 201 to slide along a fixed adjusting slideway 11 until the two sections of tensile samples are butted again, then pushing a movable base 301, loosening a wing nut 304 to adjust the angle of a positioning ruler 302, enabling the positioning ruler 302 to be attached to the surfaces of the samples and respectively aligning the two original marks, and reading measurement data through scales 4 aligned with indicator marks 305.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a combined type sample measuring device that breaks, includes base (1), removes fixed establishment (2), removes chi subassembly (3) and scale (4), its characterized in that:

base (1) up end is provided with parallel fixed adjustment slide (11) and removes chi slide (12), fixed adjustment slide (11) both ends are installed two relative can be in fixed adjustment slide (11) gliding removal fixed establishment (2) for fixed sample, be provided with two sets of gliding removal chi subassemblies (3) in removal chi slide (12), base (1) in removal chi slide (12) outside is provided with scale (4) rather than parallel for measure two distances between removal chi subassemblies (3).

2. The composite specimen fracture measurement device of claim 1, wherein: remove chi subassembly (3) and constitute by removing base (301), locating rule (302), connecting screw (303), wing section nut (304) and indicator (305), remove base (301) card in removing chi slide (12), it is provided with the U-shaped groove to remove base (301) upper end, and locating rule (302) sets up at the U-shaped inslot, connecting screw (303) run through and remove base (301) and locating rule (302) and connect the two, wing section nut (304) are installed through thread engagement in connecting screw (303) both ends, wing section nut (304) are supported and are removing base (301) lateral surface, it is provided with indicator (305) to remove base (301) outside, indicator (305) are towards scale (4).

3. The composite specimen fracture measurement device of claim 2, wherein: the movable fixing mechanism (2) is composed of a bearing seat (201), a bearing (202) and a four-jaw chuck (203), the bearing seat (201) is clamped in a fixed adjusting slide way (11), the bearing (202) is installed on the bearing seat (201), and the four-jaw chuck (203) is installed on the bearing (202).

4. The composite specimen fracture measurement device of claim 3, wherein: the bottom cross-section of removing base (301) and bearing frame (201) is the T font of inversion, the cross-sectional shape phase-match of the bottom shape of removing base (301), bearing frame (201) respectively with the fixed adjustment slide (11), removal chi slide (12).

5. The composite specimen fracture measurement device of claim 1, wherein: the zero scale mark of the graduated scale (4) is arranged in the middle, and the rest scale marks are sequentially increased along the two sides of the zero scale mark.

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