CN202523271U - Mutual operating device for small-size material tensile tests - Google Patents
Mutual operating device for small-size material tensile tests Download PDFInfo
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- CN202523271U CN202523271U CN2012201516875U CN201220151687U CN202523271U CN 202523271 U CN202523271 U CN 202523271U CN 2012201516875 U CN2012201516875 U CN 2012201516875U CN 201220151687 U CN201220151687 U CN 201220151687U CN 202523271 U CN202523271 U CN 202523271U
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Abstract
The utility model relates to the technical field of the manufacturing of material tensile test devices, providing a mutual operating device for small-size material tensile tests. Firstly, a tensile sample is assembled, the upper end of the tensile sample is clamped by an upper clamp body and a sample upper clamp head through a first sample fixing screw, and the lower end of the tensile sample is clamped by a lower clamp body and a sample lower clamp head through a second sample fixing screw, so that the mutual operating device is easy to operate; then, a moving beam is moved downwards to tension the tensile sample, and the elongation of the tensile sample can be directly read out on a scale and is intuitive and accurate; and finally, the tensile sample is dismantled, the position of the moving beam is recovered, the tensile process of the tensile sample can be mutually completed, and the operation capability of students is improved. The tensile sample required to be tested by the mutual operating device is small and is easy to process and acquire, so that the mutual operating device saves materials, can be used for classroom teaching of related courses, is safe and reliable, simple in structure, and has high practicality and high popularization and application value.
Description
Technical field
The utility model belongs to material tensile test device manufacturing technology field, relates in particular to a kind of hand gear that is used for small-sized material tensile test.
Background technology
The material extending appearance is the instrument of the mechanical property that in drawing process, shows of experimental material.Because the development of material science and the appearance of various new materials, it is very big that the mechanical property of different materials detects used testing tool difference, and particularly traditional material extending appearance mostly is large-scale equipment.Along with education development; The status of practical teaching in whole teaching is increasingly high; Traditional large-scale material tensilometer can not meet the demands for student's lecture experiment; If let the student do it yourself to use large-scale material tensile test equipment to have potential safety hazard again, design and make a kind of small-sized material extending appearance and supply the teaching use necessary.
The utility model content
The purpose of the utility model is to provide a kind of hand gear that is used for small-sized material tensile test; Be intended to solve because the development of material science and the appearance of various new materials; It is very big that the mechanical property of different materials detects used testing tool difference; Particularly traditional material extending appearance mostly is large-scale equipment, and along with education development, the status of practical teaching in whole teaching is increasingly high; Traditional large-scale material tensilometer can not meet the demands for student's lecture experiment, if let the student do it yourself to use large-scale material tensile test equipment to have the problem of potential safety hazard again.
The utility model is to realize like this; A kind of hand gear that is used for small-sized material tensile test, this hand gear comprises: clamp head on clamp body, the sample on base, column supporting base, column, entablature, the sample, first fixed sample with screw, moving beam, sample lower clamp body, sample lower clamp head, second fixed sample with screw, transmission nut, turn-screw, go up surface bearing, lower plane bearing, upper bearing sleeve, lower bearing sleeve, crank;
Said column supporting base is installed on the said base; On the said column supporting base said column is installed; The top of said column is equipped with said entablature; The bottom of said entablature is equipped with clamp body on the said sample, and clamp body is provided with on the said sample clamp head and first fixed sample and uses screw on the said sample;
The middle part of said column is equipped with said moving beam, and the top of said moving beam is equipped with said sample lower clamp body, and said sample lower clamp body is provided with said sample lower clamp head and second fixed sample is used screw;
The bottom of said moving beam is equipped with said transmission nut; The bottom of said transmission nut is equipped with said turn-screw; The bottom of said turn-screw is equipped with said surface bearing and the lower plane bearing gone up; The said surface bearing of going up is fixed on the said base through said upper bearing sleeve, and said lower plane bearing is fixed on the said base through said lower bearing sleeve, and said turn-screw is positioned on the end below the said base said crank is installed.
Further, said entablature is installed on the shaft shoulder that the top of said column is provided with.
Further, said moving beam is installed in the gathering sill that is provided with on the medium position of said column; Be fixed with scale through epoxide-resin glue on the said column, the zero-bit of said scale is located at the upper edge of said gathering sill, and said scale is carved with the scale that resolution is 0.1mm.
Further; The said surface bearing of going up is fixed in the said upper bearing sleeve through the shaft shoulder that is provided with on the said turn-screw; Said lower plane bearing is fixed in the said lower bearing sleeve through the set nut that is provided with on the said turn-screw, and said set nut is provided with pad.
Further, said column supporting base is installed on the said base through first bolt, and said upper bearing sleeve and lower bearing sleeve are bolted on the said base through second, and said first bolt and second bolt are made up of screw, pad and nut;
Clamp body is installed in the bottom of said entablature on the said sample through first screw; Said sample lower clamp body and transmission nut are installed on the said moving beam through second screw; Said crank is installed on the said turn-screw through the 3rd screw, is provided with pad on said first screw, second screw and the 3rd screw;
Said turn-screw is installed in the bottom of said transmission nut through T type screw thread.
Further, said column supporting base is provided with the internal thread that said column is installed.
Further, one of said set nut, first bolt and second bolt are each four.
The hand gear that is used for small-sized material tensile test that the utility model provides; When tensile sample is installed; It is concordant with the upper edge of guide pillar groove that hand crank rises to moving beam; Then two ends fastening first fixed sample of difference of the tensile sample of preparing is used screw with screw, second fixed sample, the upper end of tensile sample is grasped by clamp head on last clamp body and the sample, the lower end of tensile sample is grasped by lower clamp body and sample lower clamp head; When making moving beam move downward, realize the stretching of tensile sample; Speed with slow as far as possible clockwise rotates crank, and crank will drive turn-screw and rotate, and transmission nut then moves down; Thereby driving moving beam moves down; Tensile sample slowly is stretched, till breaking, can calculates the length growth rate of tensile sample then through the position, upper edge of scale observation moving beam; Dismounting tensile sample and the position of recovering moving beam; After tensile sample is broken, unclamp first fixed sample respectively and use screw with the screw and second fixed sample, can take out the sample of breaking; Counterclockwise rotation shakes handle; Moving beam is risen, adjust to the position before stretching, reinstall sample to be tested; The upper end of tensile sample is used the screw clamping by clamp head on clamp body on the sample and the sample through first fixed sample in this hand gear, and the lower end of tensile sample is used the screw clamping by sample lower clamp body and sample lower clamp head through second fixed sample, and is simple to operate; The elongation of tensile sample can directly be read on scale, and drawing process can manually be accomplished, and has improved students'ability for practice; Tensile sample is smaller, and processing obtains easily, and economical with materials; Can be used for the classroom instruction of correlated curriculum, safe and reliable, simple in structure; Practical, have stronger popularization and using value.
Description of drawings
Fig. 1 is the structural representation of the hand gear that is used for small-sized material tensile test that provides of the utility model embodiment.
Among the figure: 1, base; 2, column supporting base; 3, column; 4, entablature; 5, clamp body on the sample; 6, clamp head on the sample; 7, first fixed sample is used screw; 8, moving beam; 9, sample lower clamp body; 10, sample lower clamp head; 11, second fixed sample is used screw; 12, transmission nut; 13, turn-screw; 14, go up surface bearing; 15, lower plane bearing; 16, upper bearing sleeve; 17, lower bearing sleeve; 18, crank; 19, scale; 20, set nut; 21, first bolt; 22, second bolt; 23, first screw; 24, second screw; 25, the 3rd screw; 26, tensile sample.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the hand gear that is used for small-sized material tensile test that the utility model embodiment provides.For the ease of explanation, only show the part relevant with the utility model embodiment.
This hand gear comprises: clamp head 6 on clamp body 5, the sample on base 1, column supporting base 2, column 3, entablature 4, the sample, first fixed sample with screw 7, moving beam 8, sample lower clamp body 9, sample lower clamp head 10, second fixed sample with screw 11, transmission nut 12, turn-screw 13, go up surface bearing 14, lower plane bearing 15, upper bearing sleeve 16, lower bearing sleeve 17, crank 18;
Column supporting base 2 is installed on the base 1; Column 3 is installed on the column supporting base 2; The top of column 3 is equipped with entablature 4, and the bottom of entablature 4 is equipped with clamp body 5 on the sample, and clamp body 5 is provided with on the sample clamp head 6 and first fixed sample with screw 7 on the sample;
The middle part of column 3 is equipped with moving beam 8, and the top of moving beam 8 is equipped with sample lower clamp body 9, and sample lower clamp body 9 is provided with sample lower clamp head 10 and second fixed sample with screw 11;
The bottom of moving beam 8 is equipped with transmission nut 12; The bottom of transmission nut 12 is equipped with turn-screw 13; The bottom of turn-screw 13 is equipped with surface bearing 14 and lower plane bearing 15; Last surface bearing 14 is fixed on the base 1 through upper bearing sleeve 16, and lower plane bearing 15 is fixed on the base 1 through lower bearing sleeve 17, and turn-screw 13 is positioned on the end below the base 1 crank 18 is installed.
In the utility model embodiment, entablature 4 is installed on the shaft shoulder that the top of column 3 is provided with.
In the utility model embodiment, moving beam 8 is installed in the gathering sill that is provided with on the medium position of column 3; Be fixed with scale 19 through epoxide-resin glue on the column 3, the zero-bit of scale 19 is located at the upper edge of gathering sill, and scale 19 is carved with the scale that resolution is 0.1mm.
In the utility model embodiment; Last surface bearing 14 is fixed in the upper bearing sleeve 16 through the shaft shoulder that is provided with on the turn-screw 13; Lower plane bearing 15 is fixed in the lower bearing sleeve 17 through the set nut 20 that is provided with on the turn-screw 13, and set nut 20 is provided with pad.
In the utility model embodiment, column supporting base 2 is installed on the base 1 through first bolt 21, and upper bearing sleeve 16 and lower bearing sleeve 17 are fixed on the base 1 through second bolt 22, and first bolt 21 and second bolt 22 are made up of screw, pad and nut;
Turn-screw 13 is installed in the bottom of transmission nut 12 through T type screw thread.
In the utility model embodiment, column supporting base 2 is provided with the internal thread that column 3 is installed.
In the utility model embodiment, 20 1 of set nuts, respectively four on first bolt 21 and second bolt 22.
Further describe below in conjunction with accompanying drawing and specific embodiment application principle the utility model.
The hand gear that is used for small-sized material tensile test as shown in Figure 1, that the utility model embodiment provides has a base 1, in order to support whole mechanical hook-up; Two column supporting bases 2, column supporting base 2 are installed on the base 1, with first bolt 21 column supporting base 2 are fixedly mounted on the base 1; Column 3 is connected with the internal thread that column supporting base 2 is provided with; Entablature 4 is supported with the shaft shoulder in column 3 upper ends, and column 3 middle parts have gathering sill, for moving beam 8 moves up and down guiding; Column 3 has been installed scale 19 in the part that has gathering sill, to measure the elongation of tensile sample 26; Two scales 19 are arranged, be installed in column 3 fluting positions, measure the elongation of tensile sample 26, scale is carved with in the stainless sheet steel manufacturing that scale 19 usefulness are thin, and resolution is 0.1mm; A sample lower clamp body 9 is arranged; Passing transmission nut 12 with second screw 24 is fixedly connected on sample lower clamp body 9 on the moving beam 8 with moving beam 8; Sample lower clamp body 9 links together with moving beam 8 and transmission nut 12, and the rotation along with turn-screw 13 moves up and down together; The lower end of tensile sample 26 grasps tensile sample 26 lower ends through sample lower clamp head 10 and sample lower clamp body 9 with screw 11 with two second fixed samples; A tensile sample 26 is arranged, and tensile sample 26 measured effective lengths generally are 50mm, and also available turn-screw 13 is adjusted to random length, and for metal material, tensile sample 26 can be that area of section is no more than 2mm
2The rectangular sample of (about thickness 1mm), for plastics, tensile sample 26 can be that area of section is no more than 6mm
2(about thickness 2mm) rectangular sample; An entablature 4 is arranged; The two ends of entablature 4 are with the shaft shoulder supporting of column 3; Adopt transition fit between the upper end path of column 3 and the hole of entablature 4, to reach accurately location and convenient mounting or dismounting, the middle part of entablature 4 has a hole; With first screw 23 clamp body on the sample 5 is fixedly connected on the entablature 4, the sectional dimension of entablature 4 is 20X20mm
2Clamp head 6 is in order to be fixed on the upper end of tensile sample 26 on the sample on the clamp body 5 and sample between the clamp head 6 with screw 7 through first fixed sample on the sample; Be fixedly connected with sample lower clamp body 9 above moving beam 8 middle parts; Be fixedly connected with transmission nut 12 below moving beam 8 middle parts; Moving beam 8, sample lower clamp body 9 and transmission nut 12 usefulness second screw 24 are fixed together, and the cross section at moving beam 8 middle parts is 20X20mm
2Square, 20X12mm is processed at two ends
2Rectangle, and adopt clearance fit between column 3 gathering sills, do not influence moving up and down of moving beam 8; Transmission nut 12 usefulness second screw 24 is fixedly connected on the moving beam 8; Offer a hole in the middle of the transmission nut 12; Rotate the needed space of rising not influence turn-screw 13; Transmission nut 12 lower ends are connected with turn-screw 13, and transmission nut 12 is that model is T20X2mm with the screw thread junction of turn-screw 13
2T type screw thread; Turn-screw 13 is rotatably mounted on the base 1 through upper bearing sleeve 16, lower bearing sleeve 17, set nut 20, last surface bearing 14, lower plane bearing 15; The shaft shoulder of last surface bearing 14 usefulness turn-screws 13 is pushed down; Following surface bearing compresses with set nut 20; Upper bearing sleeve 16 protects turn-screw 13 to be installed in last surface bearing 14 and lower plane bearing 15 on the base 1 respectively with lower bearing sleeve 17; Upper bearing sleeve 16 is processed into stepped hole with lower bearing sleeve 17; The part cylindrical that rotates with surface bearing leaves the gap, does not influence the rotation of surface bearing 14 and lower plane bearing 15, and 8X8mm is processed in the lower end of turn-screw 13 and cross section, crank 18 junction
2Square, and cooperate with crank 18 interporal lacunas, with the 3rd screw 25 crank 18 is fixedly attached to the end of turn-screw 13 again; Be fixedly connected with three first bolts 21 respectively on each column supporting base 2; A upper bearing sleeve 16, lower bearing sleeve 17 are arranged; In order to protect surface bearing 14 and lower plane bearing 15; Upper bearing sleeve 16 is fixedly connected on the base 1 with lower bearing sleeve 17 usefulness second bolt 22; Upper bearing sleeve 16 is processed into step with lower bearing sleeve 17 holes, and the part cylindrical that rotates with surface bearing leaves the gap, does not influence surface bearing and rotates; Crank 18 adopts weldment, combines with the square hole gap with the lower end of turn-screw 13, with the 3rd screw 25 crank 18 is fixedly attached to the end of turn-screw 13 again; The shaft shoulder on the turn-screw 13 and set nut 20 (specification is M12x1.75) will go up surface bearing 14 respectively and lower plane bearing 15 compresses; Last surface bearing 14 and lower plane bearing 15 can not produce when operation and depart from; And receive resistance less when turn-screw 13 is rotated, and bear axial force and do not produce and move axially; There are three second bolts 22 that upper bearing sleeve 16 and lower bearing sleeve 17 are fixedly connected on the base 1.
As shown in Figure 1, it is a kind of hand gear that is used for small-sized material tensile test that the utility model embodiment provides, all parts of base 1 this hand gear of supporting; The steel plate of base 1 usefulness 3mm forms through cold deformations such as flanging, bendings; The upper and lower faces that column supporting base 2 parts such as grade are installed on the base 1 requires smooth, bright and clean, level, and its lap requires deburring, processes the hole on the base 1 then; The front and back of base 1 do not have backplate; With handled easily crank 18, the center pit line of base 1 receives force direction consistent (vertical direction) with tensile sample 26, and two column supporting bases 2 are installed on the base 1; First bolt 21 is used for column supporting base 2 is fixedly connected on the base 1; Column 3 is connected on the column supporting base 2 through internal thread, and two columns 3 are symmetrically distributed in the center line of moving beam 8 at the length direction of base 1, turn-screw 13 through set nut 20, go up surface bearing 14 and lower plane bearing 15 is rotatably mounted on the center on the base 1; Last surface bearing 14 and lower plane bearing 15 are close to upper and lower two faces of base 1 respectively; Upper bearing sleeve 16 is fixedly connected with base 1 through three second bolts 22 respectively with lower bearing sleeve 17, and the shaft shoulder of the last surface bearing 14 usefulness turn-screws 13 above the base 1 is pushed down, and base 1 following lower plane bearing 15 usefulness set nuts 20 are locked; End bearing entablature 4 on the column 3, the step axle is made in column 3 upper ends, adopts transition fit between upper end path and entablature 4 holes; With location and convenient mounting or dismounting, the middle part of column 3 has gathering sill, and the height of gathering sill is 60mm; Width 12mm; The two ends of gathering sill and moving beam 8 are clearance fit, and moving beam 8 can move up and down in gathering sill, use epoxide-resin glue nonadjustable signal 19 respectively on two columns 3; The scale that resolution is 0.1mm is carved with in the stainless steel manufacturing that scale 19 usefulness are thin, and the zero-bit of scale 19 is located at the upper edge of gathering sill; Sample lower clamp body 9; Sample lower clamp body 9 passes transmission nut 12 through second screw 24 and with moving beam 8 sample lower clamp body 9 is fixedly connected on the moving beam 8; Sample lower clamp body 9 links together with moving beam 8 and transmission nut 12; Rotation along with turn-screw 13 moves up and down together, and the face that is used for pressing from both sides sample between sample lower clamp body 9 and the sample lower clamp head 10 is processed into uneven surface; Prevent that drawing process from producing slip, sample lower clamp body 9 clamps the lower end of tensile sample 26 through second fixed sample with screw 11 with sample lower clamp head 10; The effective length of the measurement of tensile sample 26 is generally 50mm; Also available turn-screw 13 is adjusted to random length; The lower end of tensile sample 26 is fixed between sample lower clamp body 9 and the sample lower clamp head 10 with screw 11 with two second fixed samples; For metal material, tensile sample 26 can be that area of section is no more than 2mm
2The rectangular sample of (about thickness 1mm), for plastics, tensile sample 26 can be that area of section is no more than 6mm
2(about thickness 2mm) rectangular sample; A hole is offered at the center of entablature 4, is connected through clamp body 5 on first screw 23 and the sample, and the two ends of entablature 4 have the hole, and with the upper end path transition fit of column 3, entablature 4 is by the shaft shoulder supporting of column 3; Being used for the face of clamped sample on the sample on clamp body 5 and the sample between the clamp head 6 is processed into uneven surface, prevents that drawing process from producing to slide, and clamp head 6 can be through the upper end of first fixed sample with screw 7 clamping tensile samples 26 on clamp body 5 and the sample on the sample; Be fixedly connected with sample lower clamp body 9 above moving beam 8 middle parts; Be fixedly connected with transmission nut 12 below moving beam 8 middle parts; Moving beam 8, sample lower clamp body 9 and transmission nut 12 usefulness second screw 24 are fixed together, and the cross section at moving beam 8 middle parts is 20X20mm
2Square, 20X12mm is processed at two ends
2Rectangle, and adopt clearance fit between column 3 gathering sills, do not influence moving up and down of moving beam 8; When clamping tensile sample 26, generally moving beam 8 is moved to the upper edge of gathering sill, with the convenient stretching result that observes; At this moment the distance between clamp body 5 lower edges is 55mm on the upper edge of sample lower clamp body 9 and the sample, and tensile sample 26 is held in this position, and tested effective length promptly is that (Width of the transition section between tensile sample tested segment and sample holder section is provided with the knuckle of R2.5 to 50mm; Therefore; The transition section broad is generally ignored its elongation in drawing process, think that tested effective length is 50mm in drawing process); As change tested length, can be through turn-screw 13 adjustment; Transmission nut 12 is offered a hole in the middle of the transmission nut 12, rotate the needed space of rising not influence turn-screw 13, and transmission nut 12 lower ends are connected with turn-screw 13, and transmission nut 12 is T20X2mm with the screw thread junction of turn-screw 13
2T type screw thread, transmission nut 12 usefulness second screw 24 be fixedly connected on moving beam 8 below; The length of the screw thread of turn-screw 13 is 55mm; Active length can guarantee 30mm; Be moving beam removable 30mm about in the of 8, be no more than 60% material for length growth rate and all can make an experiment, general all satisfy; The rotating support of turn-screw 13 uses surface bearing 14 and lower plane bearing 15 is realized; The shaft shoulder of the last surface bearing 14 usefulness turn-screws 13 above the base 1 is pushed down, and base 1 following lower plane bearing 15 usefulness set nuts 20 are locked, and 8X8mm is processed in the cross section, cooperation place of the lower end of turn-screw 13 and crank 18
2Adopt clearance fit between the lower end of turn-screw 13 and crank 18 holes; With the 3rd screw 25 crank 18 is fixedly connected on the turn-screw 13, leaves the gap between the hole on the hole of turn-screw 13 and surface bearing and the base 1, not influence the rotation of turn-screw 13; Upper bearing sleeve 16 is used for protecting surface bearing 14 and lower plane bearing 15 with lower bearing sleeve 17; And make device attractive in appearance; Upper bearing sleeve 16 is processed into stepped hole with lower bearing sleeve 17; The cylindrical that macropore and last surface bearing 14 and lower plane bearing 15 rotate leaves the gap, does not influence the rotation of turn-screw 13; Crank 18 adopts weldment, arm of force 60mm; Set nut 20 prevents that in order to 15 lockings of lower plane bearing turn-screw 13 from can make surface bearing produce when rotating and departing from.
The course of work of this hand gear is following:
One, tensile sample 26 is installed
According to material category; Prepare tensile sample 26 on request; It is concordant with the upper edge of column 3 gathering sills that length 70mm, hand crank 18 rise to moving beam 8, then with the two ends of the tensile sample of preparing 26 respectively fastening first fixed sample with screw 7, second fixed sample with screw 11; The upper end of tensile sample 26 is grasped by clamp head 6 on last clamp body and the sample; The lower end of tensile sample 26 is grasped by lower clamp body and sample lower clamp head 10, in the process of clamping tensile sample 26, makes the vertically consistent with center line of tensile sample 26.
Two, make moving beam 8 move downward, realize the stretching of tensile sample 26
Clockwise rotate crank 18 with slow as far as possible speed; Crank 18 will drive turn-screw 13 and rotate; Transmission nut 12 then moves down, and moves down thereby drive moving beam 8, and tensile sample 26 slowly is stretched; Till breaking, can calculate the length growth rate of tensile sample 26 then through the position, upper edge of scale 19 observation moving beams 8.
Three, the location restore of the dismounting of tensile sample 26 and moving beam 8
After tensile sample 26 is broken, unclamp respectively first fixed sample with screw 7 and second fixed sample with screw 11, can take out the sample of breaking; Counterclockwise rotation shakes 18; Moving beam 8 is risen, adjust to the position before stretching, reinstall sample to be tested.
The hand gear that is used for small-sized material tensile test that the utility model embodiment provides; When tensile sample 26 is installed; It is concordant with the upper edge of column 3 gathering sills that hand crank 18 rises to moving beam 8; Then with the two ends of the tensile sample of preparing 26 respectively fastening first fixed sample with screw 7, second fixed sample with screw 11, the upper end of tensile sample 26 is grasped by clamp head 6 on last clamp body and the sample, the lower end of tensile sample 26 is grasped by lower clamp body and sample lower clamp head 10; When making moving beam 8 move downward, realize the stretching of tensile sample 26; Clockwise rotate crank 18 with slow as far as possible speed, crank 18 will drive turn-screw 13 and rotate, and transmission nut 12 then moves down; Thereby driving moving beam 8 moves down; Tensile sample 26 slowly is stretched, till breaking, can calculates the length growth rate of tensile sample 26 then through the position, upper edge of scale 19 observation moving beams 8; Dismounting tensile sample 26 and the position of recovering moving beam 8; After tensile sample 26 is broken, unclamp respectively first fixed sample with screw 7 and second fixed sample with screw 11, can take out the sample of breaking; Counterclockwise rotation shakes 18; Moving beam 8 is risen, adjust to the position before stretching, reinstall sample to be tested; First fixed sample is passed through with screw 7 clampings by clamp head on clamp body on the sample 5 and the sample 6 in the upper end of tensile sample 26 in this hand gear, and second fixed sample is passed through with screw 11 clampings by sample lower clamp body 9 and sample lower clamp head 10 in the lower end of tensile sample 26, and is simple to operate; The elongation of tensile sample 26 can directly be read on scale 19, and drawing process can manually be accomplished, and has improved students'ability for practice; Tensile sample 26 is smaller, and processing obtains easily, and economical with materials; Can be used for the classroom instruction of correlated curriculum, safe and reliable, simple in structure; Practical, have stronger popularization and using value.
More than be merely the preferred embodiment of the utility model,, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection domain of the utility model not in order to restriction the utility model.
Claims (7)
1. hand gear that is used for small-sized material tensile test; It is characterized in that this hand gear comprises: clamp head on clamp body, the sample on base, column supporting base, column, entablature, the sample, first fixed sample with screw, moving beam, sample lower clamp body, sample lower clamp head, second fixed sample with screw, transmission nut, turn-screw, go up surface bearing, lower plane bearing, upper bearing sleeve, lower bearing sleeve, crank;
Said column supporting base is installed on the said base; On the said column supporting base said column is installed; The top of said column is equipped with said entablature; The bottom of said entablature is equipped with clamp body on the said sample, and clamp body is provided with on the said sample clamp head and first fixed sample and uses screw on the said sample;
The middle part of said column is equipped with said moving beam, and the top of said moving beam is equipped with said sample lower clamp body, and said sample lower clamp body is provided with said sample lower clamp head and second fixed sample is used screw;
The bottom of said moving beam is equipped with said transmission nut; The bottom of said transmission nut is equipped with said turn-screw; The bottom of said turn-screw is equipped with said surface bearing and the lower plane bearing gone up; The said surface bearing of going up is fixed on the said base through said upper bearing sleeve, and said lower plane bearing is fixed on the said base through said lower bearing sleeve, and said turn-screw is positioned on the end below the said base said crank is installed.
2. hand gear as claimed in claim 1 is characterized in that, said entablature is installed on the shaft shoulder that the top of said column is provided with.
3. hand gear as claimed in claim 1 is characterized in that, said moving beam is installed in the gathering sill that is provided with on the medium position of said column; Be fixed with scale through epoxide-resin glue on the said column, the zero-bit of said scale is located at the upper edge of said gathering sill, and said scale is carved with the scale that resolution is 0.1mm.
4. hand gear as claimed in claim 1; It is characterized in that; The said surface bearing of going up is fixed in the said upper bearing sleeve through the shaft shoulder that is provided with on the said turn-screw; Said lower plane bearing is fixed in the said lower bearing sleeve through the set nut that is provided with on the said turn-screw, and said set nut is provided with pad.
5. hand gear as claimed in claim 1; It is characterized in that; Said column supporting base is installed on the said base through first bolt, and said upper bearing sleeve and lower bearing sleeve are bolted on the said base through second, and said first bolt and second bolt are made up of screw, pad and nut;
Clamp body is installed in the bottom of said entablature on the said sample through first screw; Said sample lower clamp body and transmission nut are installed on the said moving beam through second screw; Said crank is installed on the said turn-screw through the 3rd screw, is provided with pad on said first screw, second screw and the 3rd screw;
Said turn-screw is installed in the bottom of said transmission nut through T type screw thread.
6. hand gear as claimed in claim 1 is characterized in that, said column supporting base is provided with the internal thread that said column is installed.
7. like any described hand gear of claim 4 to 6, it is characterized in that one of said set nut, each four on first bolt and second bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201516875U CN202523271U (en) | 2012-04-12 | 2012-04-12 | Mutual operating device for small-size material tensile tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201516875U CN202523271U (en) | 2012-04-12 | 2012-04-12 | Mutual operating device for small-size material tensile tests |
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| Publication Number | Publication Date |
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| CN202523271U true CN202523271U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201516875U Expired - Fee Related CN202523271U (en) | 2012-04-12 | 2012-04-12 | Mutual operating device for small-size material tensile tests |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308605A (en) * | 2013-05-29 | 2013-09-18 | 苏州市职业大学 | Multi-way adjustable supporting device for measuring internal friction on low-frequency mechanical spectrometer |
| CN104332102A (en) * | 2014-11-22 | 2015-02-04 | 福建农林大学 | Teaching aid for analyzing bolt axial tension load applied spirally |
| CN107462483A (en) * | 2017-09-12 | 2017-12-12 | 广东溢达纺织有限公司 | It is knitted outer fabric panel the resiliency measurement mechanism |
-
2012
- 2012-04-12 CN CN2012201516875U patent/CN202523271U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308605A (en) * | 2013-05-29 | 2013-09-18 | 苏州市职业大学 | Multi-way adjustable supporting device for measuring internal friction on low-frequency mechanical spectrometer |
| CN103308605B (en) * | 2013-05-29 | 2016-03-02 | 苏州市职业大学 | The multidirectional adjustable support consumed in a kind of low frequency mechanical spectrometer is measured |
| CN104332102A (en) * | 2014-11-22 | 2015-02-04 | 福建农林大学 | Teaching aid for analyzing bolt axial tension load applied spirally |
| CN107462483A (en) * | 2017-09-12 | 2017-12-12 | 广东溢达纺织有限公司 | It is knitted outer fabric panel the resiliency measurement mechanism |
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