CN203287173U - Manual spring tension-compression testing machine - Google Patents
Manual spring tension-compression testing machine Download PDFInfo
- Publication number
- CN203287173U CN203287173U CN2013202907847U CN201320290784U CN203287173U CN 203287173 U CN203287173 U CN 203287173U CN 2013202907847 U CN2013202907847 U CN 2013202907847U CN 201320290784 U CN201320290784 U CN 201320290784U CN 203287173 U CN203287173 U CN 203287173U
- Authority
- CN
- China
- Prior art keywords
- spring
- screw
- cross beam
- fixed
- turn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a manual spring tension-compression testing machine and aims at solving problems that an elastic coefficient of a spring is detected mostly by special-purpose equipment manufactured by electronic elements at present and the special-purpose equipment is not suitable for field operation and the like. The testing machine comprises a rack, a measuring mechanism, a transmission mechanism, and a tension-compression clamp mechanism. The measuring mechanism includes a wide-range vernier caliper (12), a small-range vernier caliper (16), and a spring (5); the spring (5) is sleeved at an upper pressing plate guide rod (3); the upper end of the spring (5) is fixed with an intermediate cross beam (6) and the lower end of the spring (5) is fixed with a spring upper pressing plate (15) of the tension-compression clamp mechanism; an upper measuring claw of the small-range vernier caliper (16) is fixed with the intermediate cross beam (6); a lower measuring claw of the small-range vernier caliper (16) is fixed with a lower surface of the upper pressing plate (15); an upper measuring claw of the wide-range vernier caliper (12) is fixed with an upper surface of an upper cross beam (10); and a lower measuring claw of the wide-range vernier caliper (12) is fixed with a lower surface of the spring upper pressing plate (15).
Description
Technical field
The utility model relates to a kind of determinator, or rather, the present invention relates to a kind of can manual operation and measure comparatively exactly the suffered acting force of Compress Spring and extension spring and the determinator of elasticity coefficient thereof.
Background technology
along with industrial expansion, various springs have been applied in every field more and more widely. and spring is in a lot of occasions and structure, all to play a role by the power that produces by camber of spring, can the judgement spring provide the elasticity coefficient that the power that needs will measuring spring under certain distortion, the deflection of spring duty all can cause adverse consequences to total if there is small variation, realize the switching of valve under specified pressure as the spring force that utilizes Compress Spring to produce in vehicle shock absorber under the certain-length distortion, can utilize normal pressure required between camber of spring force retaining parts etc. to the mechanism that wearing and tearing are arranged.Therefore the measurement of the spring force of extension spring and Compress Spring and elasticity coefficient thereof is an extremely important ring of spring application with detecting.
the device of measuring spring elasticity coefficient adopts special-purpose equipment more at home at present, as electronic universal tester, precision very high (requirement that has exceeded general application), but complex structure, need electronic component and motor, need the professional to operate, cost is very high, and can not adapt to the needs of in-site measurement, Portable belt not, be 200986512 as notification number, date of declaration is 2007-12-05, although application number is to be that measurement mechanism in the patent of 2006.12.26 also can be realized Compress Spring and extension spring are measured 200620016758.5 dates of application, but structure is more complicated, and need to adopt drive motor, sensor device, grating, controller and data processes and displays equipment etc., manufacturing cost is expensive, can not be assembled by conventional equipment, and be not easy to move.Therefore need to be a kind of simple in structure, precision can meet general application and be easy to carry, the measurement mechanism of convenient operation.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the multiplex specialized equipment by fabrication of electronic components of present stage detection springs elasticity coefficient, need the professional to operate, the phenomenon of artificial incorrect operation often occurs in testing process, purchase cost is high, complex structure and maintenance difficult, and be not suitable for the problems such as site work,, a kind of Manual spring tensile and compression testing machine is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described Manual spring tensile and compression testing machine comprises frame, measuring mechanism, gear train and Compression and Expansion clamp mechanism.Described measuring mechanism is comprised of wide range vernier caliper, small-range vernier caliper and spring.
Spring housing is contained on upper platen guide rod in the Compression and Expansion clamp mechanism, the upper end of spring and the middle cross beam in frame are welded and fixed, on spring in the lower end of spring and Compression and Expansion clamp mechanism, platen is welded and fixed, upper measuring claw and the middle cross beam upper surface of small-range vernier caliper are welded and fixed, the lower measuring claw of small-range vernier caliper and the lower surface of upper platen are welded and fixed, the upper measuring claw of wide range vernier caliper and the upper surface of entablature are welded and fixed, and on the lower measuring claw of wide range vernier caliper and spring, the lower surface of platen is welded and fixed.
Gear train described in technical scheme comprises turn-screw, feed screw nut, handle, 2 angular contact ball bearing and bearing (ball) covers that structure is identical.between entablature in the upper end of turn-screw and frame for being threaded, 2 angular contact ball bearings that structure is identical of lower end suit of turn-screw, pack in turn-screw hole on middle cross beam in the lower end that is set with the turn-screw of the identical angular contact ball bearing of 2 structures, be set with bearing (ball) cover and adopt bolt to fix on the turn-screw of the angular contact ball bearing top that 2 structures are identical, the top end face of the outer collar bearing of the protruding toric bottom face on bearing (ball) cover and the angular contact ball bearing of upper end contacts, the boss bottom surface of turn-screw lower end contacts with the top end face of bearing (ball) cover, feed screw nut is arranged on the thread segment of the turn-screw that stretches out in angular contact ball bearing by lower end, taper knob is contained in the top of turn-screw.
Compression and Expansion clamp mechanism described in technical scheme comprises on platen guide rod, spring lower draw-bar, ball screw, spring to be linked up with on platen, spring pressing disc, contiguous block and spring.Upper platen guide rod is packed in platen guide rod hole on middle cross beam, the lower end of upper platen guide rod is threaded with platen on spring, the spring lower draw-bar is threaded with upper platen guide rod top, on spring, hook is welded and fixed with contiguous block, contiguous block is threaded with the lower end of ball screw, the bulb end of ball screw is connected with the entablature in frame, and the spring pressing disc is arranged on the center of the upper surface of the base in frame.
The bulb end of the ball screw described in technical scheme is connected and refers to the entablature in frame: entablature namely has a groove over against the platen guide rod hole place on middle cross beam over against the spring lower draw-bar, be the sphere of diameter greater than ball screw bulb end diameter at the bottom of groove, be processed with vertical through hole at the bottom of groove, the bulb diameter of ball screw is greater than the diameter of vertical through hole, vertically the diameter of through hole is greater than the bar section diameter of ball screw, be clearance fit in vertical through hole at the bottom of the bar section insertion groove of ball screw, the bulb end of ball screw is connected with contact at the bottom of groove.
Frame described in technical scheme comprises base, left line slideway, left coupling sleeve, middle cross beam, entablature, right line slideway and right coupling sleeve.left line slideway and right line slideway are parallel to each other and perpendicular to base, the bottom of left line slideway and the left end of base are welded and fixed, the bottom of right line slideway and the right-hand member of base are welded and fixed, the left end of entablature and left line slideway top are welded and fixed, the right-hand member of entablature and the top of right line slideway are welded and fixed, entablature and base are parallel to each other, left coupling sleeve is weldingly fixed on the left end of middle cross beam, right coupling sleeve is weldingly fixed on the right-hand member of middle cross beam, middle cross beam is socketed on left line slideway and right line slideway by left coupling sleeve and right coupling sleeve.
Compared with prior art the beneficial effects of the utility model are:
1. Manual spring tensile and compression testing machine described in the utility model is by spring, platen and the corresponding vernier caliper of middle cross beam, known elasticity coefficient, the tension and compression acting force that the survey spring is suffered all is converted into the measuring spring pressure, realized designs simplification, avoid simultaneously the use of sensor and other electronic components, reduced the manufacturing maintenance cost of device.
2. Manual spring tensile and compression testing machine described in the utility model utilizes the Leverage of handle, enlarged the hand-power that applies, reduced the use of motor, and use the screw thread pair transmission to apply acting force to spring, and both simplified apparatus structure, make again stable drive, and screw thread pair has self-locking action, can stop very easily and carry out reading, and not worry that reading changes, accuracy of reading is convenient.
3. Manual spring tensile and compression testing machine described in the utility model is comprised of pure mechanical part, can manual operation, and handle and turn-screw be clearance fit, is easy to dismounting, is easy to carry, and is convenient to for working-yard.
4. Manual spring tensile and compression testing machine described in the utility model adopts two parallel lines guide rails rather than single guide rail, has improved guiding accuracy; And stretching clamp uses bulb to connect, during test, can self-centering, and reduced reading error; Use vernier caliper reading, improve measuring accuracy, therefore this measurement mechanism can meet general operational requirement.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the front view that Manual spring tensile and compression testing machine structure described in the utility model forms;
Fig. 2 is the left view that Manual spring tensile and compression testing machine structure described in the utility model forms;
Fig. 3 is the front view of the middle cross beam of Manual spring tensile and compression testing machine described in the utility model, left coupling sleeve and right coupling sleeve three annexation;
Fig. 4 is the front view that the upper press plate structure of Manual spring tensile and compression testing machine described in the utility model forms;
Fig. 5 is the front view that in Manual spring tensile and compression testing machine described in the utility model, turn-screw and middle cross beam junction structure form;
Fig. 6 is the front view that the handle arrangement that adopts in Manual spring tensile and compression testing machine described in the utility model forms;
In figure: 1. base, 2. left line slideway, 3. go up the platen guide rod, 4. left coupling sleeve, 5. spring, 6. middle cross beam, 7. spring lower draw-bar, 8. turn-screw, 9. handle, 10. entablature, 11. ball screws, 12. wide range vernier calipers, 13. right line slideway, 14. right coupling sleeves, platen on 15. springs, 16. small-range vernier calipers, 17. the spring pressing disc, 18. feed screw nuts, 19. angular contact ball bearings, 20. contiguous blocks, 21. link up with 22. bolt of bearing caps, 23. bearing (ball) covers on spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is explained in detail:
As depicted in figs. 1 and 2, Manual spring tensile and compression testing machine described in the utility model comprises frame, measuring mechanism, gear train and Compression and Expansion clamp mechanism.
Described frame is comprised of base 1, left line slideway 2, right line slideway 13, entablature 10, middle cross beam 6, left coupling sleeve 4 and right coupling sleeve 14.
Described measuring mechanism is comprised of wide range vernier caliper 12, small-range vernier caliper 16, spring 5.
Described gear train is comprised of turn-screw 8, feed screw nut 18, handle 9, bearing (ball) cover bolt 22, bearing (ball) cover 23 and 2 identical angular contact ball bearings 19 of structure.
Described base 1 is a rectangular flat structural member, the placement of Manual spring tensile and compression testing machine while being convenient to measure.The center of the upper surface of base 1 is equipped with the spring pressing disc 17 in the Compression and Expansion clamp mechanism, spring pressing disc 17 is an oblate column construction spare (oblate cylindrical end tangs), the upper surface of spring pressing disc 17 should be smooth, and while measuring Compress Spring, the upper surface of spring pressing disc 17 is placed tested Compress Spring and spring is applied acting force.
Described left line slideway 2 and right line slideway 13 are two rectangle linear guides, left line slideway 2 and right line slideway 13 are parallel to each other and perpendicular to base 1, the bottom of left line slideway 2 and right line slideway 13 is connected by welding manner with the two ends of base 1 respectively, the two ends of entablature 10 are connected with the top of right line slideway 13 with left line slideway 2 by welding manner, and entablature 10 is parallel to each other with base 1.And left coupling sleeve 4 and right coupling sleeve 14 are two rectangular sleeve with rectangular through-hole, left coupling sleeve 4 and right coupling sleeve 14 are weldingly fixed on the left and right two ends of middle cross beam 6, left coupling sleeve 4, right coupling sleeve 14 are in same plane with middle cross beam 6, middle cross beam 6 is socketed on left line slideway 2 and right line slideway 13 successively by left coupling sleeve 4 and the right coupling sleeve 14 at left and right two ends, middle cross beam 6 can slide up and down, and left coupling sleeve 4 and right coupling sleeve 14 have the guiding stabilization concurrently.
Described Compression and Expansion clamp mechanism is comprised of hook 21 on platen 15, spring pressing disc 17, contiguous block 20, spring on upper platen guide rod 3, spring lower draw-bar 7, ball screw 11, spring.
On described spring, platen 15 is circular flat plate structure spares that a center is provided with threaded hole, be threaded connection platen guide rod 3, upper platen guide rod 3 is packed in platen guide rod hole on middle cross beam 6, there is a round boss upper end of upper platen guide rod 3, motion with platen on restraining spring 15 and upper platen guide rod 3, guarantee the globality of mechanism, spring lower draw-bar 7 is realized being fastenedly connected by screw thread with the center of the boss top end face of upper platen guide rod 3 simultaneously, while measuring extension spring, the spring lower end is applied acting force.On spring, the known spring of elasticity coefficient 5 is equipped with in platen 15 upper surfaces, spring 5 is sleeved on platen guide rod 3, and spring silk and the middle cross beam 6 of its upper end are realized being fastenedly connected by welding manner, on lower end and spring, platen 15 is realized being fastenedly connected by welding manner, this spring 5 has known elasticity coefficient, the acting force that test is transmitted by crossbeam 6 and upper platen 15, the power that tested spring is suffered is converted into the distortion that can use the known spring of vernier caliper measurement elasticity coefficient.And turn-screw 8 joins by angular contact ball bearing 19 and middle cross beam 6, and with the lower end of fixed conveyor leading screw 8, the power that turn-screw 8 is transmitted is applied on middle cross beam 6, thereby controls the movement of middle cross beam 6, and realizes turn-screw 8 freely to rotate and work.
Described entablature 10 is parallel to middle cross beam 6, two ends and left line slideway 2 and right line slideway 13 are realized being fastenedly connected by being welded to connect, be provided with the threaded hole that turn-screw 8 is installed on entablature 10, turn-screw 8 and the equipped screw thread pair that forms of the threaded hole on entablature 10, become the gearing of gear train, turn-screw 8 is perpendicular to entablature 10, and lower end and middle cross beam 6 are rotationally connected, and turn-screw 8 rotates and drives moving up and down and tested spring being applied acting force of middle cross beam 6.And turn-screw 8 upper ends are a hexagon joint, and handle 10 is sleeved on turn-screw 8 by a hexagonal hole, and the acting force that hand can be applied amplifies and passes to turn-screw 8.entablature 10 is over against spring lower draw-bar 7(namely over against the platen guide rod hole on middle cross beam 6) located a groove, be the sphere of diameter greater than ball screw 11 bulb end diameters at the bottom of groove, be processed with the vertical through hole that ball screw 11 bar sections are installed at the bottom of groove, ball screw 11 bulb diameters are greater than the diameter of vertical through hole, vertically the diameter of through hole is greater than the bar section diameter of ball screw 11, in vertical through hole at the bottom of the bar section insertion groove of ball screw 11, the bulb end of ball screw 11 is connected with contact at the bottom of groove, the lower end of ball screw 11 is threaded connection a contiguous block 20, on spring, hook 21 is connected on this contiguous block 20 by welding manner, can self-centering while testing extension spring like this.
Consult Fig. 3, described middle cross beam 6 is a rectangular flat structural member, is provided with small one and large one two round tube holes on the lateral symmetry axis of middle cross beam 6, i.e. turn-screw hole and platen guide rod hole.2 angular contact ball bearings 19 that structure is identical wherein are installed in the turn-screw hole.Turn-screw 8 is perpendicular to middle cross beam 6, pack in the hole of the identical angular contact ball bearing 19 of 2 structures in lower end, 2 identical angular contact ball bearings 19 of structure have limited the relative motion of middle cross beam 6 with turn-screw 8 in the vertical directions, the power that turn-screw 8 is suffered passes to middle cross beam 6, realized the motion of turn-screw 8 control middle cross beams 6, and the rotation of turn-screw 8 do not affect by middle cross beam 6, can freely rotate, and makes the gear train of Manual spring tensile and compression testing machine to run well.Thereby control the movement of middle cross beam 6.And platen guide rod 3 is housed in the platen guide rod hole, to determine the orientation of platen 15 on spring.
Consult Fig. 4, on described spring, platen 15 is a circular flat plate structure spare, can apply acting force to tested Compress Spring, by acting force and reacting force equal and opposite in direction, opposite direction as can be known, the suffered power of Compress Spring tested during measurement will pass to the known spring of elasticity coefficient 5 with equal size by platen on spring 15.On spring, there is a threaded hole platen 15 centers, are threaded with upper platen guide rod 3, so that detachable maintaining.
consult Fig. 5, the lower end of described turn-screw 8 is arranged in the bearing inner ring hole of the identical angular contact ball bearing of combining face-to-face 19 of 2 structures, 2 identical angular contact ball bearings of combining face-to-face 19 of structure are arranged in middle cross beam 6 center shoulder holes, the bottom face of the outer collar bearing of the angular contact ball bearing 19 of bottom and the anchor ring of shoulder hole contact and realize the purpose of axial location, be provided with shading ring between the identical angular contact ball bearing 19 of 2 structures, be set with bearing (ball) cover 23 and adopt bolt to fix on the turn-screw 8 of angular contact ball bearing 19 tops that 2 structures are identical.When leading screw 8 moves downward, the top end face of the outer collar bearing of the protruding toric bottom face on bearing (ball) cover 23 and the angular contact ball bearing 19 of upper end contacts the purpose that realizes axial location, angular contact ball bearing 19 has limited the relative motion of middle cross beam 6 with turn-screw 8 in the vertical directions, the power that turn-screw 8 is suffered passes to middle cross beam 6, realized moving up and down with the motion control middle cross beam 6 of turn-screw 8, and the rotation that has realized turn-screw 8 is not subjected to the impact of middle cross beam 6, makes the measuring mechanism of Manual spring tensile and compression testing machine to run well.Angular contact bearing 19 should adopt standard component, so that make, save cost, two angular contact bearings 19 adopt " face-to-face " assembling, then with bearing (ball) cover 23 and middle cross beam 6, limit respectively bearing with respect to the moving up and down of middle cross beam 6, and bearing (ball) cover 23 employing bearing (ball) cover bolts 22 are fixed on middle cross beam 6, only with backing out bolt, get final product during maintenance, convenient disassembly, maintenance is easy, and does not destroy adjacent component.Bearing (ball) cover 23 should be adopted the bearing cap standard component corresponding with angular contact bearing 19,, to facilitate manufacturing, saves cost, only uses accessory on market during maintenance and gets final product, and has also facilitated maintenance.
it is a boss below the thread segment of described turn-screw 8, can when moving downward, turn-screw 8 prevent that vertical force from making too greatly turn-screw 8 break away from angular contact ball bearing 19, be that one section polished rod is arranged in brearing bore below boss, be down a thread segment again, feed screw nut 18 can be installed, when moving upward, turn-screw 8 prevents that vertical force from making too greatly turn-screw 8 break away from angular contact ball bearing 19, and nut 18 can be installed easily, dismounting, thereby can remove and install very easily when maintenance, and need not to damage near parts, convenient for maintaining, reduced maintenance cost.Feed screw nut 18 also adopts standard component.
Consult Fig. 6, described handle 9 is a bar class formation spare, and main body is a cylindrical rod, joint with positive hexagon hole of an end welding of cylindrical rod, joint with positive hexagon hole can be socketed on the termination of regular hexagon cylinder of turn-screw 8 upper ends, and the used time can not taken off and be saved space.And the termination of the regular hexagon cylinder of turn-screw 8 should be slightly less than the size of turn-screw 8, so that handle 9 is placed.
The principle of work of Manual spring tensile and compression testing machine:
1. tested spring is extension spring
When if tested spring is extension spring, first turning handle 9 makes middle cross beam 6 be transferred to correct position, and tested both ends of the spring hook is hung on spring on hook 21 and spring lower draw-bar 7.Turning handle 10, the height of adjustment middle cross beam 6, make the vernier of small-range vernier caliper 16 arrive zero-bit L
a0(annotate: the natural length L that can first measure spring while not installing
a0, then measure the gravity F of platen 15 on spring, upper platen guide rod 3 and spring lower draw-bar 7 with dynamometer, will be scaled L
a, L
a=F/K
0, L
a0=L
a0+ L
a), write down the reading L of wide range vernier caliper 12
b0.Turning handle 9, drive turn-screw 8 rotations, drives middle cross beam 6 and move down, and tested spring is stretched, and reads the reading of wide range vernier caliper 12 and small-range vernier caliper 16, is designated as respectively L
bAnd L
a, respectively with initial value (L
b0And L
a0) contrast, can draw the distortion of tested spring this moment and suffered power, thereby realize the measurement to the spring sample:
Spring elasticity coefficient herein
k=K
0（L
a0-L
a）/（L
b-L
b0）
At this moment, the suffered pulling force of spring is
F=K
0（L
a0-L
a）
The stretcher strain amount of spring
ΔL=L
b-L
b0
In formula, K
0Elasticity coefficient for the known spring 5 of elasticity coefficient;
Measure the elasticity coefficient curve that multiple spot just can obtain extension spring.
2. tested spring is Compress Spring
When if tested spring is Compress Spring, tested spring is placed on spring pressing disc 17, turning handle 9, the height of adjustment middle cross beam 6, make small-range vernier caliper 17 verniers arrive zero-bit L
a0(can first measure the natural length L of spring while not installing
a0, then measure the gravity F of platen 15 on spring, upper platen guide rod and spring lower draw-bar 7 with dynamometer, will be scaled L
a, L
a=F/K
0, L
a0=L
a0+ L
a), write down the reading L of wide range vernier caliper 12 at this moment
b0.Turning handle 9, drive turn-screw 8 rotations, drives middle cross beam 6 and move down, and tested spring is compressed, reads the reading of wide range vernier caliper 12 and small-range vernier caliper 16, is designated as respectively L
bAnd L
a, respectively with initial value (L
b0And L
a0) contrast, can draw the distortion of tested spring this moment and suffered power, thereby realize the measurement to the spring sample:
Spring elasticity coefficient herein
k=K
0（L
a0-L
a）/（L
b-L
b0）
At this moment, the suffered pulling force of spring is
F=K
0（L
a0-L
a）
The stretcher strain amount of spring
ΔL=L
b-L
b0
In formula, K
0Elasticity coefficient for the known spring 5 of elasticity coefficient
Measure the elasticity coefficient curve that multiple spot just can obtain Compress Spring.
in sum, the utility model adopts wide range vernier caliper 12 and small-range vernier caliper 16 to replace electronic component (as sensor) or optical element (as the grating measuring length degree) to come the suffered power of measuring spring and distortion, reduced the manufacturing cost of measurement mechanism, the parts such as display have been reduced simultaneously, simplified the structure of measurement mechanism, reduced the volume of proving installation, also reduced the dependence to electric energy, be convenient to on-the-spot the use, and, guarantee certain measuring accuracy with vernier caliper measurement, met the requirement to spring in general application, adopt lever (handle) and screw thread pair (turn-screw and entablature) to carry out transmission, boosting function due to lever, can use hand-power to operate this proving installation, avoided the use of motor, further reduced the manufacturing cost of measurement mechanism, simplified the mechanism of proving installation, and make the stable drive of mechanism, screw thread has certain self-locking action simultaneously, can be very easily at arbitrary measurement point reading that stops, and do not worry that reading changes, accuracy of reading is convenient, only be concerned about the application characteristic (as the spring of by-pass valve control switching in the design vehicle vibration damper) of the elasticity coefficient of specified point as the comparison operators unification in application, adopt two parallel left line slideways and right line slideway rather than single guide rail, both improved guiding accuracy, improved again the integral rigidity of proving installation.Therefore, the utlity model has simple in structurely, easy to operate, measuring accuracy is higher, the characteristics that manufacturing cost is lower.
Claims (5)
1. a Manual spring tensile and compression testing machine, comprise frame, measuring mechanism, gear train and Compression and Expansion clamp mechanism, it is characterized in that, described measuring mechanism is comprised of with spring (5) wide range vernier caliper (12), small-range vernier caliper (16);
spring (5) is sleeved on upper platen guide rod (3) in the Compression and Expansion clamp mechanism, the upper end of spring (5) and the middle cross beam in frame (6) are welded and fixed, on the lower end of spring (5) and the spring in the Compression and Expansion clamp mechanism, platen (15) is welded and fixed, the upper measuring claw of small-range vernier caliper (16) and middle cross beam (6) upper surface are welded and fixed, the lower surface of the lower measuring claw of small-range vernier caliper (16) and upper platen (15) is welded and fixed, the upper surface of the upper measuring claw of wide range vernier caliper (12) and entablature (10) is welded and fixed, on the lower measuring claw of wide range vernier caliper (12) and spring, the lower surface of platen (15) is welded and fixed.
2. according to Manual spring tensile and compression testing machine claimed in claim 1, it is characterized in that, described gear train comprises turn-screw (8), feed screw nut (18), handle (9), 2 angular contact ball bearing (19) and bearing (ball) covers (23) that structure is identical;
between entablature (10) in the upper end of turn-screw (8) and frame for being threaded, 2 angular contact ball bearings (19) that structure is identical of lower end suit of turn-screw (8), pack in turn-screw hole on middle cross beam (6) in the lower end that is set with the turn-screw (8) of the identical angular contact ball bearing (19) of 2 structures, be set with bearing (ball) cover (23) and adopt bolt to fix on the turn-screw (8) of angular contact ball bearing (19) top that 2 structures are identical, the top end face of the outer collar bearing of the angular contact ball bearing (19) of the protruding toric bottom face on bearing (ball) cover (23) and upper end contacts, the boss bottom surface of turn-screw (8) lower end contacts with the top end face of bearing (ball) cover (23), feed screw nut (18) is arranged on the thread segment of the turn-screw (8) that stretches out in angular contact ball bearing (19) by lower end, handle (9) is sleeved on the top of turn-screw (8).
3. according to Manual spring tensile and compression testing machine claimed in claim 1, it is characterized in that, described Compression and Expansion clamp mechanism comprises hook (21) on platen (15) on platen guide rod (3), spring lower draw-bar (7), ball screw (11), spring, spring pressing disc (17), contiguous block (20) and spring;
Upper platen guide rod (3) is packed in platen guide rod hole on middle cross beam (6), the lower end of upper platen guide rod (3) is threaded with platen (15) on spring, spring lower draw-bar (7) is threaded with upper platen guide rod (3) top, on spring, hook (21) is welded and fixed with contiguous block (20), contiguous block (20) is threaded with the lower end of ball screw (11), the bulb end of ball screw (11) is connected with the entablature (10) in frame, and spring pressing disc (17) is arranged on the center of the upper surface of the base (1) in frame.
4., according to Manual spring tensile and compression testing machine claimed in claim 3, it is characterized in that, the bulb end of described ball screw (11) is connected and refers to entablature (10) in frame:
Entablature (10) namely has a groove over against the platen guide rod hole place on middle cross beam (6) over against spring lower draw-bar (7), be the sphere of diameter greater than ball screw (11) bulb end diameter at the bottom of groove, be processed with vertical through hole at the bottom of groove, the bulb diameter of ball screw (11) is greater than the diameter of vertical through hole, vertically the diameter of through hole is greater than the bar section diameter of ball screw (11), be clearance fit in vertical through hole at the bottom of the bar section insertion groove of ball screw (11), the bulb end of ball screw (11) is connected with contact at the bottom of groove.
5. according to Manual spring tensile and compression testing machine claimed in claim 3, it is characterized in that, described frame comprises base (1), left line slideway (2), left coupling sleeve (4), middle cross beam (6), entablature (10), right line slideway (13) and right coupling sleeve (14);
left line slideway (2) and right line slideway (13) are parallel to each other and perpendicular to base (1), the left end of the bottom of left line slideway (2) and base (1) is welded and fixed, the right-hand member of the bottom of right line slideway (13) and base (1) is welded and fixed, the left end of entablature (10) and left line slideway (2) top are welded and fixed, the top of the right-hand member of entablature (10) and right line slideway (13) is welded and fixed, entablature (10) is parallel to each other with base (1), left coupling sleeve (4) is weldingly fixed on the left end of middle cross beam (6), right coupling sleeve (14) is weldingly fixed on the right-hand member of middle cross beam (6), middle cross beam (6) is socketed on left line slideway (2) and right line slideway (13) by left coupling sleeve (4) and right coupling sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202907847U CN203287173U (en) | 2013-05-26 | 2013-05-26 | Manual spring tension-compression testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202907847U CN203287173U (en) | 2013-05-26 | 2013-05-26 | Manual spring tension-compression testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287173U true CN203287173U (en) | 2013-11-13 |
Family
ID=49543529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202907847U Withdrawn - After Issue CN203287173U (en) | 2013-05-26 | 2013-05-26 | Manual spring tension-compression testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203287173U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292969A (en) * | 2013-05-26 | 2013-09-11 | 吉林大学 | Manual spring tension and compression testing machine |
| CN104062140A (en) * | 2014-06-27 | 2014-09-24 | 广州广日电梯工业有限公司 | Drive main engine dynamic load test device |
| CN109357825A (en) * | 2018-11-14 | 2019-02-19 | 中国航发动力股份有限公司 | A kind of circlip elastomeric check instrument and detection method |
-
2013
- 2013-05-26 CN CN2013202907847U patent/CN203287173U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292969A (en) * | 2013-05-26 | 2013-09-11 | 吉林大学 | Manual spring tension and compression testing machine |
| CN103292969B (en) * | 2013-05-26 | 2015-06-03 | 吉林大学 | Manual spring tension and compression testing machine |
| CN104062140A (en) * | 2014-06-27 | 2014-09-24 | 广州广日电梯工业有限公司 | Drive main engine dynamic load test device |
| CN104062140B (en) * | 2014-06-27 | 2016-09-28 | 广州广日电梯工业有限公司 | A kind of driving host mobile_loading test device |
| CN109357825A (en) * | 2018-11-14 | 2019-02-19 | 中国航发动力股份有限公司 | A kind of circlip elastomeric check instrument and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103292969B (en) | Manual spring tension and compression testing machine | |
| CN200986512Y (en) | Spring extension and compression testing machine | |
| CN203337479U (en) | Double-shaft double-way stretching/compressing in-situ testing system with coupled thermo-mechanics loading | |
| WO2016011775A1 (en) | Multi-target multi-degree-of-freedom static and dynamic test apparatus and method for distributed sensing optical fiber | |
| CN203405477U (en) | Micro in-situ mechanical tester based on scanning electron microscope | |
| CN103115782B (en) | Detection assembly line used for comprehensive performance testing of adjusting arm | |
| CN103245564B (en) | A kind of chain tension parameter test device | |
| KR101207810B1 (en) | Apparatus for applying tension and compression load | |
| CN203287173U (en) | Manual spring tension-compression testing machine | |
| CN106996897B (en) | Neutron diffraction height Wen Cejiao instrument and special mechanical loading device thereof | |
| CN103267599A (en) | Fixing device with strong universality for testing of spring torque | |
| CN202471397U (en) | Elastic support parts flexibility tester | |
| CN105738021A (en) | Linear steering engine loading device | |
| CN205981945U (en) | Normal position indentation mechanical testing device based on under biaxial stretching load | |
| CN110411874B (en) | Spring fatigue detection device and detection method | |
| CN210626174U (en) | Small-sized multifunctional material mechanics testing machine | |
| CN201449357U (en) | Digital display type steel cord tension test device | |
| CN202770631U (en) | Radial sliding bearing static load loading device | |
| CN203116899U (en) | Tensile force measuring sensor for contact system cable and measuring device | |
| CN102183419B (en) | Wheel wrench tester | |
| CN108436819B (en) | Calibration device and calibration method for high-load bolt fastening machine tool | |
| CN206683853U (en) | A kind of Manual spring tensile and compression testing machine | |
| CN212159084U (en) | Tensile force and pressure test machine | |
| CN205388522U (en) | But measuring force device of continous transform application of force size | |
| CN107576496B (en) | Efficiency detection device for ball screw pair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |