CN217505513U

CN217505513U - A wrench movement fatigue test device for engineering mechanics

Info

Publication number: CN217505513U
Application number: CN202220284844.3U
Authority: CN
Inventors: 陈海飞
Original assignee: Xi'an Pushinaxin Information Technology Co ltd
Current assignee: Xi'an Pushinaxin Information Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-09-27
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a wrench movement fatigue test device for engineering mechanics, including the base, still include lifting unit and clamping components, lifting unit comprises fixed sleeve, elevator, the tight piece A of clamp, work piece, the tight piece B of clamp, servo swing jar, support column, fixed case, control panel, shock pad, motor, pivot and driving-disc, base internally mounted has the shock pad, the motor is installed at the shock pad top, the power take off end of motor links to each other with the power input end of pivot, fixed sleeve is installed at the base top, it has the elevator to peg graft in the fixed sleeve. The utility model discloses a lifting unit adjusts the interval between the tight piece A of clamp and the tight piece B of clamp, is convenient for install the work piece and carry out the fatigue test of wrench movement, and through clamping unit, the position of adjusting the clamp splice is convenient for press from both sides the work piece tightly, prevents that the work piece is not hard up when doing the fatigue test of wrench movement, influences the experimental result.

Description

A wrench movement fatigue test device for engineering mechanics

Technical Field

The utility model relates to a teaching aid field, in particular to a wrench movement fatigue test device for engineering mechanics.

Background

At present, the existing engineering mechanics experimental instruments all belong to relatively precise experimental instruments; such as a universal testing machine, a fatigue testing machine and the like, the general requirements of the instruments are that the testing materials can be made into standard parts or continuous loading can not be realized; however, the fatigue testing machine is required to be used in the teaching of the engineering mechanics at present, the materials used in the teaching are not standard parts, the mechanical property is difficult to know, particularly the fatigue strength of the materials is difficult to test, and the use requirement of the engineering mechanics experimental device in the teaching is stronger and stronger along with the further enhancement of the synthesis and research and development of new materials and the deep research and college practice links.

Patent number CN201720059940.7 discloses a wrench movement fatigue test device for engineering mechanics, including bottom plate seat, solid fixed cylinder, roof, driving motor and carousel, the top left and right sides of bottom plate seat all is equipped with a cylinder, strides on the piston rod of two cylinders and is equipped with the roof, and the middle part of roof is equipped with fixed cover, and fixed cover internal rotation is equipped with the pivot, and the upside of roof is equipped with driven gear in the pivot, and driven gear is connected with the epaxial driving gear meshing of locating driving motor output, and the downside of roof is equipped with the carousel in the pivot lower extreme, is equipped with a plurality of through-holes on the carousel, is equipped with solid fixed cylinder under the carousel on the bottom plate seat. The utility model is suitable for a reinforcing bar among the engineering mechanics twists reverse fatigue test, operation control is convenient, the facilitate promotion.

This a twist fatigue experimental apparatus for engineering mechanics has following drawback: when the device is used, the sizes of the workpieces are different, the height of the workpieces is not convenient to adjust, and the workpieces are subjected to a twisting fatigue test; after the workpiece is clamped, the workpiece can be loosened by a long-time torsion fatigue test, and the test result is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a torsional fatigue test device for engineering mechanics, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a twisting fatigue test device for engineering mechanics comprises a base, a lifting assembly and a clamping assembly, wherein the lifting assembly consists of a fixed sleeve, a lifting block, a clamping block A, a workpiece, a clamping block B, a servo oscillating cylinder, a supporting column, a fixed box, a control panel, a shock pad, a motor, a rotating shaft and a driving disc, the shock pad is arranged inside the base, the motor is arranged at the top of the shock pad, the power output end of the motor is connected with the power input end of the rotating shaft, the fixed sleeve is arranged at the top of the base, the lifting block is inserted into the fixed sleeve, a through groove is formed in the lifting block, the rotating shaft penetrates through the driving disc and is inserted into the through groove, the driving disc is positioned at the bottom of the lifting block, the clamping block A is arranged at the top of the lifting block, the workpiece is detachably arranged at the top of the clamping block A, and the top of the workpiece is arranged at the bottom of the clamping block B, a servo oscillating cylinder is installed at the top of the clamping block B and located at the bottom of the fixed box, a control panel is installed on the surface of the fixed box, and a supporting column and the other end of the supporting column are installed at the top of the base and installed on the fixed box.

Furthermore, the clamping assembly consists of a mounting groove, a clamping block, a limiting groove A, a transverse shaft, a rotating ring and a limiting groove B, the mounting groove is formed in the clamping block B, the limiting groove B is formed in the inner side wall of the clamping block B, the clamping block is mounted in the limiting groove B, the limiting groove A is formed in the clamping block, the transverse shaft is inserted in the limiting groove A, and the other end of the transverse shaft penetrates through the clamping block B and is mounted on the rotating ring; through clamping components, the position of the clamping block is adjusted, the workpiece is convenient to clamp, and the workpiece is prevented from being loosened when the torsional fatigue test is performed, so that the test result is prevented from being influenced.

Furthermore, a thread groove A is formed in the driving disc, threads are carved on the outer wall of the rotating shaft, and the threads are matched with the thread groove A; the driving disk is adjusted through the thread groove A by the rotating shaft and moves on the rotating shaft.

Further, the power input ends of the servo oscillating cylinder and the motor are connected with the power output end of an external power supply; and the servo oscillating cylinder is connected with an external power supply of the motor, drives the rotating shaft when the motor runs, and is connected with the external power supply of the servo oscillating cylinder, and the servo oscillating cylinder carries out a twisting fatigue experiment on the workpiece through the clamping block B.

Furthermore, a thread groove B is formed in the side wall of the clamping block B, threads are carved on the outer wall of the transverse shaft, and the threads are matched with the thread groove B; and adjusting the rotating ring, wherein the rotating ring drives the transverse shaft to rotate in the thread groove B, and the end part of the transverse shaft rotates in the limiting groove A and pushes the clamping block to enable the clamping block to be attached to the workpiece.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses when the fatigue test of wrench movement is carried out to needs, install the work piece between pressing from both sides tight piece A and pressing from both sides tight piece B, when the unable installation of work piece, connect the external power source of motor, the drive pivot during motor operation, thread groove A adjustment driving-disc is passed through in the pivot, the driving-disc removes in the pivot, the driving-disc promotes the elevator when the vertical motion in the pivot, elevator drive presss from both sides tight piece A, adjust the interval that presss from both sides between tight piece A and the tight piece B of clamp, adjust turning to of motor, the driving-disc is adjusted through the pivot, the driving-disc is when the pivot is removed downwards, the elevator removes downwards thereupon, through lifting unit, adjust the interval that presss from both sides between tight piece A and the tight piece B of clamp, be convenient for install the work piece and carry out the fatigue test of wrench movement.

2. The utility model discloses after adjusting the interval between tight piece A of clamp and the tight piece B of clamp, peg graft the work piece in the mounting groove between tight piece A of clamp and the tight piece B of clamp, adjust the change, change drive cross axle is at thread groove B internal rotation, the cross axle tip rotates and promotes the clamp splice in spacing groove A, makes clamp splice laminating work piece, through clamping components, adjusts the position of clamp splice, is convenient for press from both sides the work piece tightly, it is not hard up when doing the wrench movement fatigue test to prevent that the work piece from, influence the experimental result.

Drawings

Fig. 1 is a front view of the torsional fatigue testing apparatus for engineering mechanics;

fig. 2 is a schematic view of the internal expansion of the base of the torsional fatigue testing apparatus for engineering mechanics;

fig. 3 is the utility model relates to a press from both sides inside extension sketch of tight piece B for torsional fatigue experimental apparatus of engineering mechanics.

In the figure: 1. a base; 2. fixing the sleeve; 3. a lifting block; 4. a clamping block A; 5. a workpiece; 6. a clamping block B; 7. a servo oscillating cylinder; 8. a support column; 9. a fixed box; 10. a control panel; 11. a shock pad; 12. a motor; 13. a rotating shaft; 14. a drive disc; 15. a thread groove A; 16. a through groove; 17. mounting grooves; 18. a clamping block; 19. a limiting groove A; 20. a horizontal axis; 21. a thread groove B; 22. rotating the ring; 23. a limiting groove B; 24. a lifting assembly; 25. and (4) clamping the assembly.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a twisting fatigue test device for engineering mechanics, comprising a base 1, a lifting assembly 24 and a clamping assembly 25, wherein the lifting assembly 24 is composed of a fixing sleeve 2, a lifting block 3, a clamping block a4, a workpiece 5, a clamping block B6, a servo oscillating cylinder 7, a supporting column 8, a fixing box 9, a control panel 10, a shock pad 11, a motor 12, a rotating shaft 13 and a driving disc 14, the shock pad 11 is installed inside the base 1, the motor 12 is installed on the top of the shock pad 11, the power output end of the motor 12 is connected with the power input end of the rotating shaft 13, the fixing sleeve 2 is installed on the top of the base 1, the lifting block 3 is inserted into the fixing sleeve 2, a through groove 16 is formed in the lifting block 3, the rotating shaft 13 penetrates through the driving disc 14 and is inserted into the through groove 16, the driving disc 14 is located at the bottom of the lifting block 3, lifting block 3 installs at the top and presss from both sides tight piece A4, press from both sides tight piece A4 top demountable installation to have work piece 5, install at tight piece B6 bottom at the top of work piece 5, press from both sides tight piece B6 top and install servo swing jar 7, servo swing jar 7 is located fixed case 9 bottom, fixed case 9 surface mounting has control panel 10, support column 8 and the support column 8 other end are installed at base 1 top and are installed at fixed case 9.

The clamping assembly 25 comprises a mounting groove 17, a clamping block 18, a limiting groove A19, a transverse shaft 20, a rotating ring 22 and a limiting groove B23, the mounting groove 17 is formed in the clamping block B6, the limiting groove B23 is formed in the inner side wall of the clamping block B6, the clamping block 18 is mounted in the limiting groove B23, the limiting groove A19 is formed in the clamping block 18, the transverse shaft 20 is inserted into the limiting groove A19, and the other end of the transverse shaft 20 penetrates through the clamping block B6 and is mounted on the rotating ring 22; through clamping assembly 25, adjust the position of clamp splice 18, be convenient for press from both sides tight work piece 5, prevent that work piece 5 is not hard up when doing the wrench movement fatigue test, influence the experimental result.

A thread groove A15 is formed in the driving disc 14, threads are carved on the outer wall of the rotating shaft 13, and the threads are matched with the thread groove A15; the rotating shaft 13 adjusts the driving disk 14 through the thread groove A15, and the driving disk 14 moves on the rotating shaft 13.

Wherein the power input ends of the servo oscillating cylinder 7 and the motor 12 are connected with the power output end of an external power supply; the external power supply of the motor 12 is connected, the motor 12 drives the rotating shaft 13 when running, the external power supply of the servo oscillating cylinder 7 is connected, and the servo oscillating cylinder 7 conducts a twisting fatigue test on the workpiece 5 through the clamping block B.

The side wall of the clamping block B6 is provided with a thread groove B21, the outer wall of the transverse shaft 20 is provided with threads, and the threads are matched with the thread groove B21; and adjusting the rotating ring 22, wherein the rotating ring 22 drives the transverse shaft 20 to rotate in the thread groove B, and the end part of the transverse shaft 20 rotates in the limiting groove A19 and pushes the clamping block 18, so that the clamping block 18 is attached to the workpiece 5.

It should be noted that, the utility model relates to a twisting fatigue test device for engineering mechanics, when the twisting fatigue test is needed, install the work piece 5 between the clamping block a4 and the clamping block B6, when the work piece 5 can not be installed, connect the external power supply of the motor 12, the motor 12 drives the rotating shaft 13 when running, the rotating shaft 13 adjusts the driving disc 14 through the thread groove a15, the driving disc 14 moves on the rotating shaft 13, the driving disc 14 pushes the lifting block 3 when moving vertically on the rotating shaft 13, the lifting block 3 drives the clamping block a4, adjust the distance between the clamping block a4 and the clamping block B6, adjust the turning direction of the motor 12, the motor 12 adjusts the driving disc 14 through the rotating shaft 13, when the driving disc 14 moves downwards on the rotating shaft 13, the lifting block 3 moves downwards along with it, through the lifting component 24, adjust the distance between the clamping block a4 and the clamping block B6, be convenient for installing and carrying out the twisting fatigue test on the work piece 5, after the distance between the clamping block A4 and the clamping block B6 is adjusted, the workpiece 5 is inserted into the mounting groove 17 between the clamping block A4 and the clamping block B6, the rotating ring 22 is adjusted, the rotating ring 22 drives the transverse shaft 20 to rotate in the threaded groove B, the end part of the transverse shaft 20 rotates in the limiting groove A19 and pushes the clamping block 18, the clamping block 18 is attached to the workpiece 5, the position of the clamping block 18 is adjusted through the clamping assembly 25, the workpiece 5 is convenient to clamp, looseness of the workpiece 5 in a twisting fatigue test is prevented, and the test result is influenced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wrench movement fatigue test device for engineering mechanics, includes base (1), its characterized in that still includes lifting unit (24) and clamping component (25), lifting unit (24) comprises fixed sleeve (2), lifting block (3), presss from both sides tight piece A (4), work piece (5), presss from both sides tight piece B (6), servo oscillating cylinder (7), support column (8), fixed case (9), control panel (10), shock pad (11), motor (12), pivot (13) and driving-disc (14), base (1) internally mounted has shock pad (11), motor (12) are installed to shock pad (11) top, the power take off end of motor (12) links to each other with the power input end of pivot (13), fixed sleeve (2) are installed at base (1) top, it has lifting block (3) to peg graft in fixed sleeve (2), a through groove (16) is formed in the lifting block (3), the rotating shaft (13) penetrates through the driving disc (14) and is inserted into the through groove (16), the driving disc (14) is located at the bottom of the lifting block (3), the clamping block A (4) is installed at the top of the lifting block (3), a workpiece (5) is detachably installed at the top of the clamping block A (4), the top of the workpiece (5) is installed at the bottom of the clamping block B (6), the servo swing cylinder (7) is installed at the top of the clamping block B (6), the servo swing cylinder (7) is located at the bottom of the fixed box (9), a control panel (10) is installed on the surface of the fixed box (9), and the supporting column (8) and the other end of the supporting column (8) are installed at the top of the base (1) and installed on the fixed box (9).

2. The torsion fatigue testing device for engineering mechanics according to claim 1, wherein: clamping unit (25) comprises mounting groove (17), clamp splice (18), spacing groove A (19), cross axle (20), change (22) and spacing groove B (23), press from both sides inside mounting groove (17) of having seted up of clamp splice B (6), press from both sides the inside wall of clamp splice B (6) and seted up spacing groove B (23), spacing groove B (23) internally mounted has clamp splice (18), spacing groove A (19) have been seted up to clamp splice (18) inside, spacing groove A (19) inside grafting has cross axle (20), cross axle (20) other end runs through and presss from both sides clamp splice B (6) and installs on change (22).

3. The torsion fatigue testing device for engineering mechanics according to claim 1, wherein: thread groove A (15) are formed in the driving disc (14), threads are carved on the outer wall of the rotating shaft (13), and the threads are matched with the thread groove A (15).

4. The torsion fatigue testing device for engineering mechanics according to claim 1, wherein: and the power input ends of the servo oscillating cylinder (7) and the motor (12) are connected with the power output end of an external power supply.

5. The torsion fatigue testing device for engineering mechanics according to claim 2, wherein: the side wall of the clamping block B (6) is provided with a thread groove B (21), the outer wall of the transverse shaft (20) is provided with threads, and the threads are matched with the thread groove B (21).