CN215987751U

CN215987751U - Tension testing device for material science and engineering teaching

Info

Publication number: CN215987751U
Application number: CN202121780877.9U
Authority: CN
Inventors: 曹云龙; 王小刚
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a tension testing device for material science and engineering teaching, which comprises a moving assembly, a supporting base, a protection assembly and a testing assembly, wherein the protection assembly is connected to the upper end of the supporting base, the testing assembly is connected to the inside of the protection assembly, and the moving assembly is connected to the inside of the supporting base; the protection assembly comprises a protection box, a fixed thread column and a worm, wherein the protection box is a hollow cavity with a sliding opening arranged above the protection box, the fixed thread column is vertically arranged inside the protection box, and a worm wheel is sleeved at the lower end of the fixed thread column. The utility model belongs to the technical field of tension testing, and particularly provides a tension testing device for material science and engineering teaching, which is simple in structure, convenient to move, stable in setting after being fixed, not easy to move due to external impact, capable of being stored when the device is not used, capable of reducing external dust accumulation and prolonging the service life of the device.

Description

Tension testing device for material science and engineering teaching

Technical Field

The utility model belongs to the technical field of tension testing, and particularly relates to a tension testing device for material science and engineering teaching.

Background

Material science is a interdisciplinary field, also commonly referred to as material science and engineering, whose main research is the design and discovery of new materials, particularly in the area of solid materials; the tensile test is also called a tensile test, and refers to a test method for measuring the material characteristics under the condition of bearing axial tensile load. The data obtained from the tensile test can be used to determine the elastic limit, elongation, elastic modulus, proportional limit, area reduction, tensile strength, yield point, yield strength and other tensile property indexes of the material. Some polymer fiber materials need to be subjected to tensile test experiments sometimes so that students can experience the tensile strength of the polymer fiber materials more deeply, and therefore better teaching is achieved.

However, the fixing mechanism in the conventional tension testing device is simple, the fixing effect is poor, the device is not beneficial to testing, the size of the device is large, the fixing and moving are inconvenient, the device is easy to deposit dust in the air after being exposed for a long time, and the service life of the device can be shortened after being exposed for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the tension testing device for material science and engineering teaching, which has the advantages of simple structure, convenience in movement, stable setting device after being fixed, difficulty in movement due to external impact, capability of accommodating the device when the device is not used, reduction in external dust accumulation and prolonged service life.

The technical scheme adopted by the utility model is as follows: the utility model relates to a tension testing device for material science and engineering teaching, which comprises a moving component, a supporting base, a protection component and a testing component, wherein the protection component is connected to the upper end of the supporting base; the protection assembly comprises a protection box, a fixed threaded column and a worm, wherein the protection box is a hollow cavity body with a sliding opening arranged above, the fixed threaded column is vertically arranged inside the protection box, the lower end of the fixed threaded column is sleeved with the worm wheel, the worm is horizontally connected with the inner bottom of the protection box, the worm wheel is meshed with the worm, a pushing transverse plate is arranged inside the protection box, and the outer end of the pushing transverse plate is sleeved outside the fixed threaded column; the testing assembly comprises a testing frame, a clamping assembly, a lifting type electric telescopic rod and a dynamometer, the testing frame is connected to the upper end of the push transverse plate, the clamping assembly is connected to the inner bottom of the testing frame, the lifting type electric telescopic rod is connected to the inner top of the testing frame, and the dynamometer is connected to the telescopic end of the lifting type electric telescopic rod.

Further, clamping component includes backup pad, mounting and moving member, the backup pad is L shape setting and connects the interior bottom of locating the test jig, the upper end of locating the backup pad diaphragm is connected to the mounting, one side of backup pad riser is equipped with fastening bolt, the moving member is connected and is located the one end that fastening bolt is close to the mounting.

Furthermore, one side of the fixed part, which is close to the moving part, is provided with a fixed arc-shaped groove, one side of the moving part, which is close to the fixed part, is provided with a fixed arc-shaped block, the fixed arc-shaped block and the fixed arc-shaped groove are correspondingly arranged, and the fixed arc-shaped block can be arranged in the fixed arc-shaped groove in a matched manner.

Furthermore, a moving groove is formed in the upper end of the supporting plate, a moving rail is arranged at the bottom of the moving groove, and the lower end of the fixing piece is connected to the upper end of the moving rail.

Further, the removal subassembly includes portable electric telescopic handle and removes lift diaphragm, the lower extreme connection that supports the base is equipped with accomodates the groove, it is the setting of type shape to accomodate the groove, portable electric telescopic handle connects and locates the interior top of accomodating the groove, it connects to locate portable electric telescopic handle's flexible serving to remove the lift diaphragm, the lower extreme connection of removing the lift diaphragm is equipped with the universal wheel.

Further, it is equipped with spacing dashpot to connect on the inner wall of groove to accomodate, the inside of spacing dashpot is equipped with spacing buffering post, the outside of spacing buffering post is located to the outer pot head that removes the lift diaphragm, just the outside cover of spacing buffering post is equipped with spacing buffer spring, spacing buffer spring is connected and is located and remove the lift diaphragm and accomodate between the interior bottom in groove.

Further, the outside of guard box is equipped with the motor case, the inside of motor case is equipped with the motor, the output shaft of motor is located the one end of worm, just be equipped with the louvre on the tank wall of motor case.

Further, the middle part of backup pad diaphragm is equipped with the connecting piece, the connecting piece is the setting of falling the U-shaped, the lower extreme of dynamometer is equipped with the drag hook, it is equipped with the piece that awaits measuring to be connected between connecting piece and the drag hook.

Furthermore, the upper end of guard box can be dismantled and be equipped with the apron, the upper end of apron is connected and is equipped with the handle.

Further, the fixed threaded columns and the worm wheel are symmetrically provided with two groups in the protection box about the worm.

The utility model with the structure has the following beneficial effects: this scheme is tension testing device for material science and engineering teaching, remove the device to suitable position through removing the subassembly, when need fixing the device, start portable electric telescopic handle, portable electric telescopic handle drives and removes the inside of accomodating the groove of receiving with the universal wheel receipts, make the bottom and the ground contact that support the base, the stability of device has been increased, spacing buffer spring cushions the protection to the device, avoid causing the harm after the component in the device receives the striking, use through protection subassembly, be convenient for to prevent dust the protection to the device.

Drawings

FIG. 1 is a schematic view of the overall structure of a tension testing device for material science and engineering teaching according to the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Wherein, 1, remove the subassembly, 2, support the base, 3, the protection subassembly, 4, the test subassembly, 5, the guard box, 6, fixed screw post, 7, the worm, 8, the worm wheel, 9, promote the diaphragm, 10, the test jig, 11, clamping components, 12, the formula of drawing electric telescopic handle, 13, the dynamometer, 14, the backup pad, 15, the mounting, 16, the moving member, 17, fastening bolt, 18, fixed arc wall, 19, fixed arc piece, 20, portable electric telescopic handle, 21, remove lift diaphragm, 22, accomodate the groove, 23, the universal wheel, 24, spacing dashpot, 25, spacing dashpot, 26, spacing buffer spring, 27, the motor case, 28, the motor, 29, the louvre, 30, the connecting piece, 31, the drag hook, 32, the piece that awaits measuring, 33, the apron, 34, the handle, 35, the removal groove, 36, the removal track.

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the tension testing device for material science and engineering teaching of the present invention comprises a moving assembly 1, a supporting base 2, a protection assembly 3 and a testing assembly 4, wherein the protection assembly 3 is connected to the upper end of the supporting base 2, the testing assembly 4 is connected to the inside of the protection assembly 3, and the moving assembly 1 is connected to the inside of the supporting base 2; the protection assembly 3 comprises a protection box 5, a fixed thread column 6 and a worm 7, wherein a hollow cavity with a sliding opening is arranged above the protection box 5, the fixed thread column 6 is vertically arranged inside the protection box 5, a worm wheel 8 is sleeved at the lower end of the fixed thread column 6, the worm 7 is horizontally connected with the inner bottom of the protection box 5, the worm wheel 8 is meshed with the worm 7, a pushing transverse plate 9 is arranged inside the protection box 5, and the outer end of the pushing transverse plate 9 is sleeved outside the fixed thread column 6; the testing component 4 comprises a testing frame 10, a clamping component 11, a lifting type electric telescopic rod 12 and a dynamometer 13, the testing frame 10 is connected to the upper end of the pushing transverse plate 9, the clamping component 11 is connected to the inner bottom of the testing frame 10, the lifting type electric telescopic rod 12 is connected to the inner top of the testing frame 10, and the dynamometer 13 is connected to the telescopic end of the lifting type electric telescopic rod 12.

The clamping assembly 11 comprises a supporting plate 14, a fixing piece 15 and a moving piece 16, wherein the supporting plate 14 is arranged in an L shape and is connected to the inner bottom of the test jig 10, the fixing piece 15 is connected to the upper end of a transverse plate of the supporting plate 14, a fastening bolt 17 is arranged on one side of a vertical plate of the supporting plate 14, and the moving piece 16 is connected to one end, close to the fixing piece 15, of the fastening bolt 17; a fixed arc-shaped groove 18 is formed in one side, close to the moving part 16, of the fixed part 15, a fixed arc-shaped block 19 is arranged on one side, close to the fixed part 15, of the moving part 16, the fixed arc-shaped block 19 is arranged corresponding to the fixed arc-shaped groove 18, and the fixed arc-shaped block 19 can be arranged inside the fixed arc-shaped groove 18 in a matched mode; the upper end of the supporting plate 14 is provided with a moving groove 35, the inner bottom of the moving groove 35 is provided with a moving rail 36, and the lower end of the fixing member 16 is connected to the upper end of the moving rail 36.

The moving assembly 1 comprises a moving electric telescopic rod 20 and a moving lifting transverse plate 21, the lower end of the supporting base 2 is connected with a containing groove 22, the containing groove 22 is arranged in a convex shape, the moving electric telescopic rod 20 is connected to the inner top of the containing groove 22, the moving lifting transverse plate 21 is connected to the telescopic end of the moving electric telescopic rod 20, and the lower end of the moving lifting transverse plate 21 is connected with a universal wheel 23; connect on the inner wall of accomodating groove 22 and be equipped with spacing dashpot 24, the inside of spacing dashpot 24 is equipped with spacing buffering post 25, the outside of spacing buffering post 25 is located to the outer pot head that removes lift diaphragm 21, just the outside cover of spacing buffering post 25 is equipped with spacing buffer spring 26, spacing buffer spring 26 is connected and is located and remove lift diaphragm 21 and accomodate between the interior bottom of groove 22.

A motor box 27 is arranged on the outer side of the protection box 5, a motor 28 is arranged in the motor box 27, an output shaft of the motor 28 is connected with one end of the worm 7, and heat dissipation holes 29 are formed in the box wall of the motor box 27; a connecting piece 30 is arranged in the middle of a transverse plate of the supporting plate 14, the connecting piece 30 is arranged in an inverted U shape, a draw hook 31 is arranged at the lower end of the dynamometer 13, and a to-be-detected piece 32 is connected between the connecting piece 30 and the draw hook 31; a cover plate 33 is detachably arranged at the upper end of the protection box 5, and a handle 34 is connected to the upper end of the cover plate 33; the fixed threaded columns 6 and the worm wheel 8 are provided with two groups in the interior of the protective box 5 symmetrically with respect to the worm 7.

When the device is used, the device is moved to a proper position through the moving assembly 1, when the device needs to be fixed, the movable electric telescopic rod 20 is started, the movable electric telescopic rod 20 drives the movable lifting transverse plate 21 and the universal wheel 23 to be collected into the containing groove 22, so that the bottom of the supporting base 2 is contacted with the ground, the stability of the device is improved, the limiting buffer spring 26 carries out buffer protection on the device, the damage to elements in the device caused by collision is avoided, the cover plate 33 is taken out from the upper end of the protection box 5 through the handle 34, the motor 28 is started, the motor 28 drives the worm 7 to rotate, the worm 7 drives the worm wheel 8 to rotate, the worm wheel 8 drives the fixed threaded column 6 to rotate, the fixed threaded column 6 drives the pushing transverse plate 9 to move upwards, the testing assembly 4 extends out of the protection box 5, the piece 32 to be tested is fixed between the drag hook 31 and the connecting piece 30, and the fastening bolt 17 is rotated, fastening bolt 17 drives moving member 16 and fixes a 32 that awaits measuring between mounting 15 and moving member 16, and fixed arc groove 18 and fixed arc piece 19 strengthen the fixed to a 32 that awaits measuring, through starting lift-draw formula electric telescopic handle 12, and lift-draw formula electric telescopic handle 12 drives dynamometer 13 upward movement, and dynamometer 13 carries out tensile test to a 32 that awaits measuring.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a material science and tensile testing arrangement for engineering teaching which characterized in that: the device comprises a moving assembly, a supporting base, a protection assembly and a testing assembly, wherein the protection assembly is connected to the upper end of the supporting base, the testing assembly is connected to the inside of the protection assembly, and the moving assembly is connected to the inside of the supporting base; the protection assembly comprises a protection box, a fixed threaded column and a worm, wherein the protection box is a hollow cavity body with a sliding opening arranged above, the fixed threaded column is vertically arranged inside the protection box, the lower end of the fixed threaded column is sleeved with the worm wheel, the worm is horizontally connected with the inner bottom of the protection box, the worm wheel is meshed with the worm, a pushing transverse plate is arranged inside the protection box, and the outer end of the pushing transverse plate is sleeved outside the fixed threaded column; the testing assembly comprises a testing frame, a clamping assembly, a lifting type electric telescopic rod and a dynamometer, the testing frame is connected to the upper end of the push transverse plate, the clamping assembly is connected to the inner bottom of the testing frame, the lifting type electric telescopic rod is connected to the inner top of the testing frame, and the dynamometer is connected to the telescopic end of the lifting type electric telescopic rod.

2. The tension testing device for material science and engineering teaching of claim 1, wherein: the clamping assembly comprises a supporting plate, a fixing part and a moving part, the supporting plate is L-shaped and is connected with the inner bottom of the testing jig, the fixing part is connected with the upper end of a transverse plate of the supporting plate, a fastening bolt is arranged on one side of a vertical plate of the supporting plate, and the moving part is connected with one end of the fastening bolt close to the fixing part.

3. The tension testing device for material science and engineering teaching according to claim 2, wherein: one side of the fixed part close to the moving part is provided with a fixed arc-shaped groove, one side of the moving part close to the fixed part is provided with a fixed arc-shaped block, the fixed arc-shaped block and the fixed arc-shaped groove are correspondingly arranged, and the fixed arc-shaped block can be arranged in the fixed arc-shaped groove in a matched mode.

4. The tension testing device for material science and engineering teaching according to claim 2, wherein: the upper end of the supporting plate is provided with a moving groove, the inner bottom of the moving groove is provided with a moving track, and the lower end of the fixing part is connected with the upper end of the moving track.

5. The tension testing device for material science and engineering teaching of claim 1, wherein: the movable assembly comprises a movable electric telescopic rod and a movable lifting transverse plate, the lower end of the supporting base is connected with a containing groove, the containing groove is in a shape like a Chinese character 'tu', the movable electric telescopic rod is connected with the inner top of the containing groove, the movable lifting transverse plate is connected with the telescopic end of the movable electric telescopic rod, and the lower end of the movable lifting transverse plate is connected with a universal wheel.

6. The tension testing device for material science and engineering teaching of claim 5, wherein: connect on the inner wall of accomodating the groove and be equipped with spacing dashpot, the inside of spacing dashpot is equipped with spacing buffering post, the outside of spacing buffering post is located to the outer pot head that removes the lift diaphragm, just the outside cover of spacing buffering post is equipped with spacing buffer spring, spacing buffer spring connects and locates to remove the lift diaphragm and accomodate between the interior bottom in groove.

7. The tension testing device for material science and engineering teaching of claim 1, wherein: the outside of guard box is equipped with the motor case, the inside of motor case is equipped with the motor, the output shaft of motor is located the one end of worm, just be equipped with the louvre on the tank wall of motor case.

8. The tension testing device for material science and engineering teaching according to claim 2, wherein: the middle part of backup pad diaphragm is equipped with the connecting piece, the connecting piece is the setting of falling U-shaped, the lower extreme of dynamometer is equipped with the drag hook, it is equipped with the piece that awaits measuring to be connected between connecting piece and the drag hook.

9. The tension testing device for material science and engineering teaching of claim 1, wherein: the upper end of guard box can be dismantled and be equipped with the apron, the upper end of apron is connected and is equipped with the handle.

10. The tension testing device for material science and engineering teaching of claim 1, wherein: and two groups of fixed threaded columns and two groups of worm gears are symmetrically arranged in the protective box around the worm.