CN217819305U

CN217819305U - Multi-station torsion spring torsion and fatigue life testing machine

Info

Publication number: CN217819305U
Application number: CN202220623135.3U
Authority: CN
Inventors: 扶立红
Original assignee: Suzhou Petro Mechanical Equipment Co ltd
Current assignee: Suzhou Petro Mechanical Equipment Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-11-15
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a multistation torsion spring torsion and fatigue life test machine, comprises a workbench, the one end of workstation is provided with multiunit installation arm, the dead slot has been seted up to one side of installation arm, the one end of workstation is provided with hits the board, the one end fixedly connected with step motor of workstation, step motor's output fixedly connected with pivot, the pivot runs through the workstation and extends to the other end of workstation and hits the board and constitute fixed connection. Before the multi-station torsion spring torsion and fatigue life testing machine is used for testing, after a plurality of groups of positioning nuts are rotated to enable the positioning nuts to be separated from one end of a workbench, the position of a mounting plate is moved according to the testing requirement, so that the positioning bolts move in the movable holes, the mounting plate is moved to a proper position, the positioning nuts are rotated, and the positioning nuts are tightly attached to one end of the workbench, so that the mounting plate is positioned, and the problem that the shifting stroke cannot be adjusted according to the requirement during testing is solved.

Description

Multi-station torsion spring torsion and fatigue life testing machine

Technical Field

The utility model relates to a torsion spring test technical field specifically is multistation torsion spring torsion and fatigue life test machine.

Background

Torsion spring obtains using because its characteristic in many fields, arrive mechanical device greatly, arrive spare part for a short time, torsion spring's material, attributes such as diameter all can influence its torsion and life-span of using, still there are some defects in testing arrangement for torsion spring torsion and fatigue life when testing, can't adjust the stroke of stirring as required when testing, and it is great to the damage of device at the continuous stirring in-process, lead to the device life shorter, also can't be convenient fix torsion spring, so need a neotype multistation torsion spring torsion and fatigue life test machine now to solve above not enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistation torsion spring torsion and fatigue life test machine to provide the problem of the stroke that can't adjust according to the requirement when testing in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the multi-station torsion spring torsion and fatigue life testing machine comprises a workbench, wherein a plurality of groups of mounting arms are arranged at one end of the workbench, a hollow groove is formed in one side of each mounting arm, and a collision plate is arranged at one end of the workbench;

the one end fixedly connected with step motor of workstation, step motor's output fixedly connected with pivot, the pivot runs through the workstation and extends to the other end of workstation and hits the board and constitute fixed connection.

Preferably, the one end of workstation has seted up the multiunit movable hole, the one end fixedly connected with mounting panel of installation arm, a set of recess has been seted up respectively to the top and the bottom of mounting panel one end, the inside swing joint of recess has positioning bolt, positioning bolt runs through the movable hole and extends to the one end of workstation, positioning bolt's outside swing joint has set nut.

Preferably, the workbench is movably connected with the positioning nut, and the height inside the movable hole is larger than the diameter of the positioning bolt.

Preferably, two ends of the striking plate are respectively and movably connected with a group of rotating wheels, the outer parts of the rotating wheels are fixedly connected with rubber sleeves, and one side of the mounting arm is fixedly connected with a cushion pad.

Preferably, the outside swing joint of installation arm has the second lagging, the outside swing joint of second lagging has first lagging, one side of first lagging and second lagging respectively fixedly connected with a set of plectrum, the inside swing joint of dead slot has the locating lever, the one end fixedly connected with threaded rod of locating lever, the thread groove has been seted up to the inside one end of dead slot, the threaded rod constitutes swing joint with the thread groove.

Preferably, the width of the inside of the empty groove is smaller than that of the positioning rod, and the center line of the mounting arm and the center line of the second sleeve plate are on the same vertical plane.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-station torsion spring and fatigue life testing machine not only realizes the adjustment of the poking stroke, reduces the damage to the device caused by continuous poking, but also realizes the convenient fixation of the torsion spring;

(1) By arranging the movable holes, the mounting plate, the grooves, the positioning nuts and the positioning bolts, before testing, after a plurality of groups of positioning nuts are rotated to be separated from one end of the workbench, the position of the mounting plate is moved according to testing requirements, the positioning bolts are moved in the movable holes, and after the mounting plate is moved to a proper position, the positioning nuts are rotated and are tightly attached to one end of the workbench, so that the mounting plate is positioned, and the shifting distance can be adjusted according to testing requirements;

(2) By arranging the mounting arm, the shifting piece, the rubber sleeve, the rotating wheel and the collision plate, when the device is tested, the stepping motor at one end is started to drive the rotating shaft to rotate, the rotating shaft drives the collision plate to rotate, the rubber sleeves at two ends of the collision plate continuously collide with the shifting piece to test, and meanwhile, the rotating wheel outside the rubber sleeve can prevent the rubber sleeve from being damaged in the collision with the shifting piece, so that the service life of the device is prolonged, and the phenomenon of damage of the device during testing can be reduced;

(3) Through being provided with first lagging, the second lagging, the dead slot, the locating lever, threaded rod and thread groove, before the test, the threaded rod that the rotation locating lever drove the bottom is rolled out from the inside of thread groove, the torsion spring who will await measuring again puts into the inside of dead slot, and insert the inside of first lagging and second lagging respectively with two received force arms of torsion spring, later pass the locating lever inside the torsion spring, the inside of turning over to the thread groove with the threaded rod of bottom is fixed a position, thereby to torsion spring location, realized that can be convenient fixes torsion spring.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the working table of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the mounting arm of the present invention;

fig. 4 is a schematic view of the bottom section structure of the mounting arm of the present invention.

In the figure: 1. a work table; 2. a mounting arm; 3. a movable hole; 4. mounting a plate; 5. a groove; 6. a shifting sheet; 7. a cushion pad; 8. a first deck; 9. a second deck; 10. a rubber sleeve; 11. a rotating wheel; 12. a striking plate; 13. a rotating shaft; 14. a stepping motor; 15. an empty groove; 16. positioning a nut; 17. positioning a bolt; 18. Positioning a rod; 19. a threaded rod; 20. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, the multi-station torsion spring torsion and fatigue life testing machine comprises a workbench 1, wherein one end of the workbench 1 is provided with a plurality of groups of mounting arms 2, one side of each mounting arm 2 is provided with a hollow groove 15, and one end of the workbench 1 is provided with a striking plate 12;

one end of the workbench 1 is fixedly connected with a stepping motor 14, the output end of the stepping motor 14 is fixedly connected with a rotating shaft 13, and the rotating shaft 13 penetrates through the workbench 1 and extends to the other end of the workbench 1 to form fixed connection with the striking plate 12;

one end of the workbench 1 is provided with a plurality of groups of movable holes 3, one end of the mounting arm 2 is fixedly connected with a mounting plate 4, the top and the bottom of one end of the mounting plate 4 are respectively provided with a group of grooves 5, the inside of each groove 5 is movably connected with a positioning bolt 17, each positioning bolt 17 penetrates through the movable hole 3 and extends to one end of the workbench 1, and the outside of each positioning bolt 17 is movably connected with a positioning nut 16;

the workbench 1 and the positioning nut 16 form movable connection, and the height inside the movable hole 3 is larger than the diameter of the positioning bolt 17;

specifically, as shown in fig. 1, fig. 2 and fig. 3, before the test, after the plurality of sets of positioning nuts 16 are rotated to be separated from one end of the workbench 1, the position of the mounting plate 4 is moved according to the test requirement, the positioning bolts 17 are moved inside the movable holes 3, and after the mounting plate 4 is moved to a proper position, the positioning nuts 16 are rotated and tightly attached to one end of the workbench 1, so that the mounting plate 4 is positioned, and the poking distance can be adjusted according to the test requirement.

Example 2: two ends of the striking plate 12 are respectively movably connected with a group of rotating wheels 11, the outer parts of the rotating wheels 11 are fixedly connected with rubber sleeves 10, and one side of the mounting arm 2 is fixedly connected with a cushion pad 7;

specifically, as shown in fig. 1 and fig. 3, when a test is performed, the stepping motor 14 at one end is started to drive the rotating shaft 13 to rotate, the rotating shaft 13 drives the striking plate 12 to rotate, and when the rubber sleeves 10 at two ends of the striking plate 12 continuously strike the poking sheet 6 to perform the test, the rotating wheel 11 outside the rubber sleeves 10 can prevent the rubber sleeves 10 from being damaged when impacting the poking sheet 6, so that the service life of the device is prolonged, and the phenomenon of damage during the test of the device can be reduced.

Example 3: the outer part of the mounting arm 2 is movably connected with a second sleeve plate 9, the outer part of the second sleeve plate 9 is movably connected with a first sleeve plate 8, one side of each of the first sleeve plate 8 and the second sleeve plate 9 is fixedly connected with a group of shifting pieces 6, the inner part of the empty slot 15 is movably connected with a positioning rod 18, one end of the positioning rod 18 is fixedly connected with a threaded rod 19, one end of the inner part of the empty slot 15 is provided with a threaded slot 20, and the threaded rod 19 and the threaded slot 20 form movable connection;

the width of the inner part of the empty slot 15 is smaller than that of the positioning rod 18, and the central line of the mounting arm 2 and the central line of the second sleeve plate 9 are on the same vertical plane;

specifically, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, before the test, the positioning rod 18 is rotated to drive the threaded rod 19 at the bottom end to rotate out of the interior of the threaded groove 20, then the torsion spring to be tested is placed in the empty groove 15, two force receiving arms of the torsion spring are respectively inserted into the first sleeve plate 8 and the second sleeve plate 9, then the positioning rod 18 penetrates through the interior of the torsion spring, the threaded rod 19 at the bottom end is rotated into the interior of the threaded groove 20 to be positioned, and therefore the torsion spring is positioned, and the torsion spring can be conveniently fixed.

The working principle is as follows: the utility model discloses when using, at first, before the test, the threaded rod 19 that rotational positioning pole 18 drove the bottom is rolled out from the inside of thread groove 20, the torsion spring who awaits measuring again puts into the inside of dead slot 15, and insert the inside of first lagging 8 and second lagging 9 respectively with two arm of force that receive torsion spring, later pass torsion spring inside locating lever 18, turn over the threaded rod 19 of bottom to the inside of thread groove 20 and fix a position, thereby to torsion spring location, rotate multiunit set nut 16 again and make it break away from behind the one end of workstation 1, remove the position of mounting panel 4 according to the test demand, make positioning bolt 17 in the inside removal of activity hole 3, after removing mounting panel 4 suitable position, turn back positioning nut 16, and make it hug closely the one end at workstation 1, thereby to mounting panel 4 location, when testing, the step motor 14 that starts one end drives pivot 13 and rotates, pivot 13 drives again and hits board 12 and rotates, hit rubber sleeve 10 that hits 12 both ends of rubber sleeve 10 constantly strikes the plectrum 6 when testing, thereby the outside 11 of runner 10 can prevent the damage and the plectrum 6 from causing the life-span improvement in this device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Multistation torsion spring torsion and fatigue life test machine, including workstation (1), its characterized in that: a plurality of groups of mounting arms (2) are arranged at one end of the workbench (1), a hollow groove (15) is formed in one side of each mounting arm (2), and a collision plate (12) is arranged at one end of the workbench (1);

one end fixedly connected with step motor (14) of workstation (1), the output end fixedly connected with pivot (13) of step motor (14), pivot (13) run through workstation (1) and extend to the other end of workstation (1) and hit board (12) and constitute fixed connection.

2. The multi-station torsion spring torsion and fatigue life testing machine according to claim 1, wherein: multiunit movable hole (3) have been seted up to the one end of workstation (1), the one end fixedly connected with mounting panel (4) of installation arm (2), a set of recess (5) have been seted up respectively to the top and the bottom of mounting panel (4) one end, the inside swing joint of recess (5) has positioning bolt (17), positioning bolt (17) run through movable hole (3) and extend to the one end of workstation (1), the outside swing joint of positioning bolt (17) has set nut (16).

3. The multi-station torsion spring torsion and fatigue life testing machine according to claim 2, wherein: the workbench (1) and the positioning nut (16) form movable connection, and the height inside the movable hole (3) is larger than the diameter of the positioning bolt (17).

4. The multi-station torsion spring torsion and fatigue life testing machine according to claim 1, wherein: the two ends of the striking plate (12) are respectively and movably connected with a group of rotating wheels (11), the outer parts of the rotating wheels (11) are fixedly connected with rubber sleeves (10), and one side of the mounting arm (2) is fixedly connected with a cushion pad (7).

5. The multi-station torsion spring torsion and fatigue life testing machine according to claim 1, wherein: the utility model discloses an installation arm, including installation arm (2), outside swing joint has second lagging (9), the outside swing joint of second lagging (9) has first lagging (8), one side difference fixedly connected with a set of plectrum (6) of first lagging (8) and second lagging (9), the inside swing joint of dead slot (15) has locating lever (18), the one end fixedly connected with threaded rod (19) of locating lever (18), thread groove (20) have been seted up to the inside one end of dead slot (15), threaded rod (19) and thread groove (20) constitute swing joint.

6. The multi-station torsion spring torsion and fatigue life testing machine according to claim 1, wherein: the width of the inner part of the empty groove (15) is smaller than that of the positioning rod (18), and the central line of the mounting arm (2) and the central line of the second sleeve plate (9) are on the same vertical plane.