CN213658451U

CN213658451U - Mechanical material stress testing device

Info

Publication number: CN213658451U
Application number: CN202022596059.5U
Authority: CN
Inventors: 闫维亮; 张富邦
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-09
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a mechanical material atress testing arrangement, the on-line screen storage device comprises a base, the left side fixedly connected with fixed plate at base top, the right side fixedly connected with hydraulic telescoping cylinder of fixed plate, the right side fixedly connected with machine case of hydraulic telescoping cylinder. The utility model discloses a driving motor, first drive wheel, the conveyer belt, the second drive wheel, the apparatus further comprises a rotating shaft, drive mechanism, the threaded rod, the cooperation of thread bush and mounting groove, place the test bar in the mounting groove, driving motor's output shaft is through first drive wheel, conveyer belt and second drive wheel drive the pivot rotatory, it is rotatory that the pivot drives the threaded rod through first bevel gear and second bevel gear, the threaded rod drives the thread bush and moves to the inboard, carry out the centre gripping to the test bar, can carry out quick clamping to mechanical material, the structure adjustment is convenient, the suitability is better, thereby reach the effect of the centre gripping of being convenient for, the problem of the centre gripping of being not being convenient for of current device has.

Description

Mechanical material stress testing device

Technical Field

The utility model relates to a material atress technical field specifically is a mechanical material atress testing arrangement.

Background

The reliability and the advancement of mechanical products, except design factors, depend on the quality and the performance of the selected materials to a great extent, the development of novel materials is the material basis for developing novel products and improving the product quality, the development of various high-strength materials provides conditions for developing large-scale structural members and gradually improving the use strength grade of the materials and lightening the product dead weight, along with the development of scientific technology, the requirements on the mechanical material test analysis are also continuously improved, but the existing mechanical material stress test device has the problems of single stress detection type, poor adaptability, poor device stability and unstable clamping of stress materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical material atress testing arrangement possesses the advantage of the centre gripping of being convenient for, has solved the problem of the centre gripping of being not convenient for of current device.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical material stress testing device comprises a base, wherein a fixed plate is fixedly connected to the left side of the top of the base, a hydraulic telescopic cylinder is fixedly connected to the right side of the fixed plate, a case is fixedly connected to the right side of the hydraulic telescopic cylinder, a driving motor is fixedly connected to the left top of an inner cavity of the case, a first driving wheel is fixedly connected to an output shaft of the driving motor, a conveying belt is connected to the surface of the first driving wheel in a transmission manner, a second driving wheel is connected to the surface of the first driving wheel in a transmission manner through the conveying belt, rotating shafts are fixedly connected to the axes of the first driving wheel and the second driving wheel, a transmission mechanism is fixedly connected to the surface of each rotating shaft, a threaded rod is fixedly connected to the axis of the transmission mechanism, a threaded sleeve is sleeved on the surface of the threaded rod, an installation block, the right side of installation piece is provided with the mounting groove, the inner chamber of mounting groove is provided with the recess, and the inner chamber fixedly connected with reset spring of recess, reset spring's other end fixedly connected with extrusion piece, the right side fixedly connected with test box at base top.

Preferably, the number of the second transmission wheels is two, and the number of the rotating shafts is three.

Preferably, the transmission mechanism comprises a first bevel gear and a second bevel gear, the surface of the rotating shaft is fixedly connected with the first bevel gear, and the surface of the first bevel gear is engaged with the second bevel gear.

Preferably, the surface of the threaded sleeve is fixedly connected with a limiting block, and the other side of the limiting block is slidably connected with a limiting groove.

Preferably, the bottom of the case is fixedly connected with a pulley, and the bottom of the pulley is slidably connected with a chute.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a driving motor, first drive wheel, the conveyer belt, the second drive wheel, the apparatus further comprises a rotating shaft, drive mechanism, the threaded rod, the cooperation of thread bush and mounting groove, place the test bar in the mounting groove, driving motor's output shaft is through first drive wheel, conveyer belt and second drive wheel drive the pivot rotatory, it is rotatory that the pivot drives the threaded rod through first bevel gear and second bevel gear, the threaded rod drives the thread bush and moves to the inboard, carry out the centre gripping to the test bar, can carry out quick clamping to mechanical material, the structure adjustment is convenient, the suitability is better, thereby reach the effect of the centre gripping of being convenient for, the problem of the centre gripping of being not being convenient for of current device has.

2. The utility model discloses a reset spring and extrusion piece's cooperation is convenient for advance the test rod through reset spring to extrusion piece's effect, through the cooperation of stopper and spacing groove, is convenient for carry on spacingly to the thread bush, improves the security of device.

Drawings

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

FIG. 2 is a right side sectional view of the box structure of the present invention;

fig. 3 is a left side view of the first driving wheel structure of the present invention.

In the figure: 1. a base; 2. a fixing plate; 3. a hydraulic telescopic cylinder; 4. a chassis; 5. a drive motor; 6. a first drive pulley; 7. a conveyor belt; 8. a second transmission wheel; 9. a rotating shaft; 10. a transmission mechanism; 101. a first bevel gear; 102. a second bevel gear; 11. a threaded rod; 12. a threaded sleeve; 13. mounting blocks; 14. a box body; 15. mounting grooves; 16. a return spring; 17. extruding the block; 18. a test box; 19. a limiting block; 20. a limiting groove; 21. a pulley; 22. a chute.

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.

Referring to fig. 1-3, a mechanical material stress testing device comprises a base 1, a fixed plate 2 is fixedly connected to the left side of the top of the base 1, a hydraulic telescopic cylinder 3 is fixedly connected to the right side of the fixed plate 2, a machine case 4 is fixedly connected to the right side of the hydraulic telescopic cylinder 3, a pulley 21 is fixedly connected to the bottom of the machine case 4, a sliding groove 22 is slidably connected to the bottom of the pulley 21, a testing rod is pre-fixed through the cooperation of a reset spring 16 and an extrusion block 17 and through the action of the reset spring 16 on the extrusion block 17, a threaded sleeve 12 is limited through the cooperation of a limiting block 19 and a limiting groove 20, the safety of the device is improved, a driving motor 5 is fixedly connected to the top of the left side of an inner cavity of the machine case 4, a first driving wheel 6 is fixedly connected to an output shaft of the driving motor 5, a conveying belt 7 is connected to the surface of the first driving wheel 6, the number of the second driving wheels 8 is two, the number of the rotating shafts 9 is three, the rotating shafts 9 are fixedly connected to the axes of the first driving wheel 6 and the second driving wheel 8, the surface of the rotating shaft 9 is fixedly connected with a transmission mechanism 10, the transmission mechanism 10 comprises a first bevel gear 101 and a second bevel gear 102, the surface of the rotating shaft 9 is fixedly connected with the first bevel gear 101, the surface of the first bevel gear 101 is meshed with the second bevel gear 102, the axis of the transmission mechanism 10 is fixedly connected with a threaded rod 11, the surface of the threaded rod 11 is sleeved with a threaded sleeve 12, the surface of the threaded sleeve 12 is fixedly connected with a limiting block 19, the other side of the limiting block 19 is slidably connected with a limiting groove 20, the right side of the case 4 is fixedly connected with an installation block 13, the right side of the installation block 13 is fixedly connected with a case body 14, the right side of the installation block 13 is, the other end fixedly connected with extrusion block 17 of reset spring 16, the right side fixedly connected with test box 18 at base 1 top, through driving motor 5, first drive wheel 6, conveyer belt 7, the second drive wheel 8, pivot 9, drive mechanism 10, threaded rod 11, the cooperation of thread bush 12 and mounting groove 15, place the test bar in mounting groove 15, driving motor 5's output shaft is through first drive wheel 6, conveyer belt 7 and second drive wheel 8 drive pivot 9 rotatory, pivot 9 drives threaded rod 11 rotatory through first bevel gear 101 and second bevel gear 102, threaded rod 11 drives thread bush 12 and moves to the inboard, carry out the centre gripping to the test bar, can carry out quick clamping to mechanical material, the structure adjustment is convenient, the suitability is better, thereby reach the effect of the centre gripping of being convenient for, the problem of the centre gripping of current device not being convenient for has been solved.

During the use, place the test bar in mounting groove 15, through reset spring 16 to the effect of extrusion piece 17, be convenient for fix in advance the test bar, driving motor 5's output shaft is through first drive wheel 6, conveyer belt 7 and second drive wheel 8 drive pivot 9 rotatory, pivot 9 drives threaded rod 11 rotatory through first bevel gear 101 and second bevel gear 102, threaded rod 11 drives threaded sleeve 12 and moves to the inboard, carry out the centre gripping to the test bar, can carry out quick clamping to mechanical material, the structure adjustment is convenient, the suitability is better, thereby reach the effect of the centre gripping of being convenient for.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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

Claims

1. The utility model provides a mechanical material atress testing arrangement, includes base (1), its characterized in that: the left side of the top of the base (1) is fixedly connected with a fixed plate (2), the right side of the fixed plate (2) is fixedly connected with a hydraulic telescopic cylinder (3), the right side of the hydraulic telescopic cylinder (3) is fixedly connected with a case (4), the left top of an inner cavity of the case (4) is fixedly connected with a driving motor (5), an output shaft of the driving motor (5) is fixedly connected with a first driving wheel (6), the surface of the first driving wheel (6) is in transmission connection with a conveying belt (7), the surface of the first driving wheel (6) is in transmission connection with a second driving wheel (8) through the conveying belt (7), the axle centers of the first driving wheel (6) and the second driving wheel (8) are fixedly connected with a rotating shaft (9), the surface of the rotating shaft (9) is fixedly connected with a transmission mechanism (10), and the axle center of the transmission mechanism (10), the utility model discloses a quick-witted case, including threaded rod (11), the surface cover of threaded rod (11) is equipped with thread bush (12), the right side fixedly connected with installation piece (13) of quick-witted case (4), the right side fixedly connected with box (14) of installation piece (13), the right side of installation piece (13) is provided with mounting groove (15), the inner chamber of mounting groove (15) is provided with the recess, and the inner chamber fixedly connected with reset spring (16) of recess, the other end fixedly connected with extrusion piece (17) of reset spring (16), the right side fixedly connected with test box (18) at base (1) top.

2. The mechanical material stress testing device of claim 1, wherein: the number of the second transmission wheels (8) is two, and the number of the rotating shafts (9) is three.

3. The mechanical material stress testing device of claim 1, wherein: the transmission mechanism (10) comprises a first bevel gear (101) and a second bevel gear (102), the first bevel gear (101) is fixedly connected to the surface of the rotating shaft (9), and the second bevel gear (102) is meshed with the surface of the first bevel gear (101).

4. The mechanical material stress testing device of claim 1, wherein: the surface of the thread bushing (12) is fixedly connected with a limiting block (19), and the other side of the limiting block (19) is connected with a limiting groove (20) in a sliding mode.

5. The mechanical material stress testing device of claim 1, wherein: the bottom of the case (4) is fixedly connected with a pulley (21), and the bottom of the pulley (21) is connected with a sliding groove (22) in a sliding mode.