CN211318037U - Tension tester - Google Patents

Abstract

The utility model discloses a tensile testing machine, including protective housing, support base, tensile drive assembly, central dead lever, fixed frame body, removal tensile seat, driving screw and driven screw, protective housing is the setting of cuboid cavity, support the base and locate on the inside basal surface of protective housing, central dead lever is located and is supported base upper surface center, driving screw and driven screw rotational symmetry locate and support the base both ends, driving screw and driven screw's symmetry axis passes central dead lever center, on driving screw and driven screw were located respectively to the both ends of removing tensile seat, remove tensile seat and driving screw and driven screw threaded connection, tensile drive assembly locates on the support base lateral wall. The utility model belongs to the technical field of check out test set, specifically a tensile testing machine that pulling force limit is high, drive transmission is stable, motion subassembly operates steadily and does not have hysteresis quality.

Description

Tension tester

Technical Field

The utility model belongs to the technical field of check out test set, specifically indicate a tensile testing machine.

Background

The tension tester is also called a universal material tester. The tension tester is a mechanical stress tester for mechanical property tests such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment aiming at various materials, is suitable for various physical and mechanical property tests of materials such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires and cables, steel, glass fiber and the like, is material development, and is indispensable detection equipment for physical property tests, teaching research, quality control and the like.

In order to improve the application range of the tensile machine, the ultimate tensile force which can be borne by the tensile machine is very large; the existing tensile machine has motion hysteresis, and when the test load is higher, the motion hysteresis can seriously influence the test precision; especially, in order to improve the efficiency of the test, the hysteresis of the motion is more obvious, and the test error is further increased.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a simple structure, pulling force limit height, drive transmission are stable, motion subassembly operates the tensile testing machine of no hysteresis quality steadily.

The utility model adopts the following technical scheme: the utility model provides a tensile testing machine, includes protective housing, supports base, tensile drive assembly, central dead lever, fixed frame body, removes tensile seat, driving screw and driven screw, protective housing is the setting of cuboid cavity, support on the inside basal surface of protective housing is located to the base, central dead lever is located and is supported base upper surface center, driving screw and driven screw rotational symmetry locate and support the base both ends, driving screw and driven screw's symmetry axis passes central dead lever center, remove on driving screw and the driven screw are located respectively at tensile seat's both ends, remove tensile seat and driving screw and driven screw threaded connection, tensile drive assembly locates on the support base lateral wall.

Further, tensile drive assembly includes driving motor, driving gear box, driving gear, driven gear and motor supporting seat, the motor supporting seat is located on supporting the base lateral wall, driving motor locates motor supporting seat top, driving gear box is fixed to be located on supporting the base lateral wall, driving motor's output shaft and driving gear box's input shaft, the driving gear is located on driving gear box's the output shaft, driven gear locates the drive screw bottom, the driving gear meshes with driven gear mutually.

Further, fixed framework is including fixed floorbar, supporting connection pole and fixed back timber, the central dead lever top is located to fixed floorbar, two sets of are located to the supporting connection pole, fixed floorbar both ends are located to two sets of supporting connection pole symmetries, the top of supporting connection pole is located to the fixed back timber.

Furthermore, the included angle between the connecting line of the two groups of supporting connecting rods and the connecting line of the driving screw and the driven screw is 30-45 degrees.

Furthermore, the movable stretching seat is arranged between the fixed top beam and the fixed bottom beam in the vertical direction.

Further, a fixed clamp groove is formed in the center of the fixed top beam, a movable clamp groove is formed in the center of the movable stretching seat, and the fixed clamp groove and the movable clamp groove are overlapped in the vertical direction.

Further, be equipped with observation door and drive maintenance door on the protecting casing lateral wall, the drive is maintained the door and is located protecting casing lateral wall relative driving motor's position, the drive is maintained the door top to the observation door is located, the position of observation door corresponds with the position level of fixed framework.

Furthermore, the observation door is made of transparent toughened glass.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model provides a tensile testing machine, which can perform tensile test on materials in the vertical direction and test the tensile strength of samples; through the speed reduction of the gear box, the driving motor can provide high ultimate tensile force; the driving and moving components of the whole device are driven by gears, so that the effective load of the traditional mechanism is improved, meanwhile, the driving force is more stable, and the motion hysteresis of the moving components is avoided.

Drawings

Fig. 1 is the utility model relates to a tensile testing machine overall structure schematic diagram.

The device comprises a protective shell, a supporting base, a stretching driving assembly, a central fixing rod, a fixing frame body, a movable stretching seat, a driving screw, a driven screw, a driving motor, a driving gear box, a driving gear, a driven gear, a motor supporting seat, a fixing bottom beam, a supporting connecting rod, a fixing top beam, a fixing clamp groove, a movable clamp groove, an observation door, a driving maintenance door and a driving maintenance door, wherein the protective shell comprises 1, 2, a supporting base, 3, a stretching driving assembly, 4, the central fixing rod, 5, the fixing frame body, 6, the movable stretching seat.

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

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 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.

As shown in fig. 1, the technical solution adopted by the utility model is as follows: the utility model provides a tensile testing machine, includes protective housing 1, supports base 2, tensile drive assembly 3, central dead lever 4, fixed frame 5, removes tensile seat 6, driving screw 7 and driven screw 8, protective housing 1 is the setting of cuboid cavity, support base 2 and locate on the 1 inside basal surface of protective housing, central dead lever 4 is located and is supported 2 upper surface centers of base, driving screw 7 and the 8 rotational symmetry of driven screw locate and support 2 both ends of base, driving screw 7 and the symmetry axis of driven screw 8 pass central dead lever 4 centers, it locates on driving screw 7 and driven screw 8 respectively to remove the both ends of tensile seat 6, remove tensile seat 6 and driving screw 7 and the 8 threaded connection of driven screw, tensile drive assembly 3 is located and is supported on the 2 lateral walls of base.

Tensile drive assembly 3 includes driving motor 9, driving gear box 10, driving gear 11, driven gear 12 and motor supporting seat 13, motor supporting seat 13 is located on supporting 2 lateral walls of base, driving motor 9 is located on the 13 top of motor supporting seat, driving gear box 10 is fixed to be located on supporting 2 lateral walls of base, driving motor 9's output shaft and driving gear box 10's input shaft, driving gear 11 is located on driving gear box 10's the output shaft, driven gear 12 is located driving screw 7 bottoms, driving gear 11 meshes with driven gear 12 mutually.

The fixed frame body 5 comprises a fixed bottom beam 14, support connecting rods 15 and a fixed top beam 16, the fixed bottom beam 14 is arranged at the top end of the central fixed rod 4, the support connecting rods 15 are arranged in two groups, the two groups of support connecting rods 15 are symmetrically arranged at two ends of the fixed bottom beam 14, and the fixed top beam 16 is arranged at the top end of the support connecting rods 15.

And the included angle between the connecting line of the two groups of supporting connecting rods 15 and the connecting line of the driving screw 7 and the driven screw 8 is 30-45 degrees.

The movable stretching seat 6 is vertically arranged between the fixed top beam 16 and the fixed bottom beam 14.

The center of the fixed top beam 16 is provided with a fixed clamp groove 17, the center of the movable stretching seat 6 is provided with a movable clamp groove 18, and the fixed clamp groove 17 and the movable clamp groove 18 are overlapped in the vertical direction.

Be equipped with observation door 19 and drive maintenance door 20 on the 1 lateral wall of protective housing, the position of 1 lateral wall relative driving motor 9 of protective housing is located to drive maintenance door 20, observation door 19 is located drive maintenance door 20 top, the position of observation door 19 corresponds with the position level of fixed framework 5.

The observation door 19 is made of transparent toughened glass.

When the device is used specifically, tensile clamps are distributed and fixed in the fixed clamp groove 17 and the movable clamp groove 18, then two ends of a material to be tested are distributed and fixed on the fixed clamp and the movable clamp, the driving motor 9 is started, the driving motor 9 drives the driving gear box 10 to rotate, the driving gear box 10 drives the driving screw 7 to rotate through the driving gear 11 and the driven gear 12, and the driving screw 7 rotates to enable the movable stretching seat 6 to move upwards to pull the test material; after the test is finished, the driving motor 9 is reversely rotated, so that the movable stretching seat 6 can be reset, and the next test is prepared.

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

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (8)

1. A tensile testing machine is characterized in that: including protective housing, support base, tensile drive assembly, central dead lever, fixed frame body, removal tensile seat, driving screw and driven screw, protective housing is the setting of cuboid cavity, support the base and locate on the inside basal surface of protective housing, central dead lever is located and is supported base upper surface center, driving screw and driven screw rotational symmetry locate and support the base both ends, driving screw and driven screw's symmetry axis passes central dead lever center, on driving screw and driven screw were located respectively to the both ends of removing tensile seat, remove tensile seat and driving screw and driven screw threaded connection, tensile drive assembly is located on supporting the base lateral wall.

2. The tensile testing machine of claim 1, wherein: the stretching driving assembly comprises a driving motor, a driving gear box, a driving gear, a driven gear and a motor supporting seat, the motor supporting seat is arranged on the side wall of the supporting base, the driving motor is arranged at the top end of the motor supporting seat, the driving gear box is fixedly arranged on the side wall of the supporting base, an output shaft of the driving motor is connected with an input shaft of the driving gear box, the driving gear is arranged on an output shaft of the driving gear box, the driven gear is arranged at the bottom of a driving screw, and the driving gear is meshed with the driven gear.

3. The tensile testing machine of claim 2, wherein: the fixed frame body comprises a fixed bottom beam, supporting connecting rods and a fixed top beam, the fixed bottom beam is arranged at the top end of a central fixed rod, the supporting connecting rods are arranged in two groups, the two groups of supporting connecting rods are symmetrically arranged at two ends of the fixed bottom beam, and the fixed top beam is arranged at the top end of the supporting connecting rods.

4. A tensile testing machine according to claim 3, wherein: and the included angle between the connecting line of the two groups of supporting connecting rods and the connecting line of the driving screw and the driven screw is 30-45 degrees.

5. The tensile testing machine of claim 4, wherein: the movable stretching seat is arranged between the fixed top beam and the fixed bottom beam in the vertical direction.

6. The tensile testing machine of claim 5, wherein: the fixed top beam center is equipped with the mounting fixture groove, remove tensile seat center and be equipped with the activity anchor clamps groove, mounting fixture groove and activity anchor clamps groove coincide in vertical direction.

7. The tensile testing machine of claim 6, wherein: be equipped with observation door and drive maintenance door on the protective housing lateral wall, the drive is maintained the door and is located protective housing lateral wall relative driving motor's position, the observation door is located drive maintenance door top, the position of observation door corresponds with the position level of fixed framework.

8. The tensile testing machine of claim 7, wherein: the observation door is made of transparent toughened glass.

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