CN210834422U

CN210834422U - Tension tester

Info

Publication number: CN210834422U
Application number: CN201921507924.5U
Authority: CN
Inventors: 刘红桥
Original assignee: Dongguan Huida Instrument Co ltd
Current assignee: Dongguan Huida Instrument Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-23
Anticipated expiration: 2029-09-10

Abstract

The utility model belongs to the technical field of test equipment, in particular to a tensile testing machine, which comprises a base and a connecting seat which are arranged at intervals up and down; a hook component is arranged on one side surface of the sliding seat close to the base, and comprises a fixed seat, a tension sensor, a sliding part and a second hook; the fixing base is fixed to be located on the slide, be equipped with accommodation space in the fixing base, force sensor fixed connection is in the interior bottom surface of fixing base, slider swing joint is in the fixing base, the one end and the force sensor of slider are connected, the other end and the second of slider couple are connected, be connected with the elastic component on two opposite flank of slider respectively, two elastic components respectively with the interior top surface of fixing base and interior bottom surface contact so that cushion the instantaneous impact force that the slider received, the motion of second couple is more steady, simultaneously through slowing down instantaneous impact force, the damage to the material that significantly reduces.

Description

Tension tester

Technical Field

The utility model belongs to the technical field of test equipment, especially, relate to a tensile testing machine.

Background

The tension tester is also called a universal material tester. The universal tester is a mechanical stress tester for testing mechanical properties such as static load, tension, compression, bending, shearing, tearing and peeling of instruments and equipment for various materials, is suitable for testing various physical and mechanical properties of materials such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires and cables, steel, glass fibers and the like, is used for material development, and is indispensable detection equipment for physical property testing, teaching research, quality control and the like. The existing tensile testing machine mainly adopts an electric driving mode and an oil cylinder to provide power, the instantaneous impact force of the tensile testing machine is large during testing, the drag hook for connecting materials is easy to damage, and the materials are easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile testing machine aims at solving among the prior art because of leading to easily causing the technical problem of damage to drag hook and testee when the test to the instantaneous impact force of drag hook great.

In order to achieve the above object, an embodiment of the present invention provides a tensile testing machine, which includes a base and a connecting seat arranged at an interval from top to bottom, wherein two guide pillars arranged in parallel are connected between the base and the connecting seat, and two ends of a sliding seat are respectively connected to the two guide pillars in a sliding manner; the device comprises a base, a sliding seat, a first hook, a hook component, a second hook and a control unit, wherein the first hook is arranged on one side surface of the base close to the sliding seat, the hook component is arranged on one side surface of the sliding seat close to the base and comprises a fixed seat, a tension sensor, a sliding piece and the second hook; the fixing base is fixed to be located on the slide, be equipped with accommodation space in the fixing base, force sensor fixed connection in the interior bottom surface of fixing base, slider swing joint in the fixing base, the one end of slider with force sensor connects, the other end of slider with the connection of second couple, the second couple is kept away from the one end of slider is passed the fixing base stretches out bend behind the fixing base and form the hook portion that is used for connecting the measured object, be connected with the elastic component on the two opposite flank of slider respectively, two the elastic component respectively with the interior top surface and the interior bottom surface contact of fixing base are so that cushion the instantaneous impact force that the slider received.

Optionally, a guide groove is formed in one opposite inner side wall of the fixing seat, and two ends of the sliding member are respectively slidably connected to the guide grooves.

Optionally, two lead screws are rotatably connected between the base and the connecting seat, and the two lead screws respectively penetrate through the sliding seat and are in threaded connection with the sliding seat; the base is internally provided with a driving source which is respectively connected with the two screw rods and used for driving the two screw rods to rotate.

Optionally, one end of each of the two lead screws is connected with a belt pulley, a belt is wound between the two belt pulleys, and the driving source is connected with one of the belt pulleys and drives the belt pulley to rotate.

Optionally, a position sensor for detecting the position of the sliding seat is arranged on one side surface of the connecting seat close to the sliding seat.

Optionally, the tensile testing machine further comprises at least two supporting seats, two ends of each supporting seat are respectively connected with the base and the connecting seat, and the sliding parts are respectively connected with the supporting seats in a sliding manner.

Optionally, a limiting part for limiting the sliding seat is arranged on the supporting seat.

Optionally, an object bearing plate is arranged on one side surface of the sliding seat close to the connecting seat, and a hardness testing assembly for testing hardness of an object is arranged on one side surface of the connecting seat close to the sliding seat.

Optionally, the hardness testing component comprises a hardness testing head and a pressure sensor, the pressure sensor is fixedly connected to the connecting seat, and the hardness testing head is detachably connected to the pressure sensor.

Optionally, the object bearing plate is connected with a screw, the connecting seat is fixedly provided with a nut, and the screw is in threaded connection with the nut.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the tensile testing machine have one of following technological effect at least: one end of an object to be tested is connected with the first hook, the other end of the object to be tested is connected with the clamping hook part of the second hook in the drag hook assembly, two elastic pieces connected to the second hook are respectively contacted with the inner top surface and the inner bottom surface of the fixed seat, the sliding seat drives the hooks to move when moving, the first hook and the second hook are matched together to pull the object to be tested, and the tension sensor is used for detecting the tension; when dragging the measured object, two elastic components slow down the instantaneous impact force of being used in the second couple to make the second couple motion more steady, be used for protecting the second couple, prolong the life of second couple, simultaneously through slowing down instantaneous impact force, the damage to the material that significantly reduces.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is the embodiment of the utility model provides a tensile testing machine's schematic structure diagram.

Fig. 2 is a front view of the tensile testing machine provided by the embodiment of the present invention.

Fig. 3 is a cross-sectional view of the tensile testing machine provided by the embodiment of the utility model.

Fig. 4 is an enlarged schematic view of a in fig. 3.

Wherein, in the figures, the respective reference numerals:

10-base 20-connecting seat 30-guide post

40-slide 50-first hook 60-hook assembly

61-fixed seat 62-tension sensor 63-sliding part

64-second hook 65-accommodation space 66-elastic element

70-screw rod 71-belt pulley 72-belt

80-driving source 90-supporting seat 100-limiting piece

110-object bearing plate 111-screw rod 112-nut

120-hardness testing component 121-hardness testing head 122-pressure sensor

610-guide groove 640-hook portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 4, a tensile testing machine is provided, which includes a base 10 and a connecting seat 20 arranged at an interval from top to bottom, two guide pillars 30 arranged in parallel are connected between the base 10 and the connecting seat 20, and two ends of a sliding seat 40 are respectively connected to the two guide pillars 30 in a sliding manner; wherein, a first hook 50 is arranged on one side surface of the base 10 close to the sliding seat 40, a hook component 60 is arranged on one side surface of the sliding seat 40 close to the base 10, and the hook component 60 comprises a fixed seat 61, a tension sensor 62, a sliding part 63 and a second hook 64; fixing base 61 is fixed on slide 40, be equipped with accommodation space 65 in the fixing base 61, force sensor 62 fixed connection is in the interior bottom surface of fixing base 61, slider 63 swing joint is in fixing base 61, the one end and the force sensor 62 of slider 63 are connected, the other end and the being connected of couple of slider 63, the couple is kept away from slider 63's one end and is passed fixing base 61 and stretch out fixing base 61 and bend behind and form the clamping hook portion 640 that is used for connecting the measured object, be connected with elastic component 66 on the two opposite side of slider 63 respectively, two elastic component 66 contact so that the instantaneous impact force that buffering slider 63 received with the interior top surface and the interior bottom surface contact of fixing base 61 respectively.

In the embodiment of the present invention, one end of the object to be tested is connected to the first hook 50, and the other end of the object to be tested is connected to the hook portion 640 of the second hook 64 in the hook assembly, wherein the two elastic members 66 connected to the second hook 64 are respectively in contact with the inner top surface and the inner bottom surface of the fixing base 61, the slide 40 drives the hooks to move when moving, the first hook 50 and the second hook 64 cooperate together to pull the object to be tested, and the tension sensor 62 detects the tension; when dragging the measured object, two elastic component 66 slow down the instantaneous impact force that acts on second couple 64 to make second couple 64 move more steadily, be used for protecting second couple 64, prolong the life of second couple 64, simultaneously through slowing down instantaneous impact force, the damage to the material that significantly reduces.

In another embodiment of the present invention, as shown in fig. 4, a guide slot 610 is disposed on a relative inner side wall of the fixing base 61 of the tensile testing machine, and two ends of the sliding member 63 are slidably connected to the guide slots 610 respectively; the guide groove 610 is arranged for improving the stability of the sliding part 63 during sliding and improving the precision of experimental data; specifically, a guide rail is arranged in the guide groove 610, a pulley matched with the guide rail is arranged on the sliding part 63, the sliding part 63 slides along the direction of the guide rail through the pulley, friction between the sliding part 63 and the fixed seat 61 is reduced, and the precision of experimental data is further improved.

In another embodiment of the present invention, as shown in fig. 3, two lead screws 70 are rotatably connected between the base 10 and the connecting seat 20 of the tensile testing machine, and the two lead screws 70 respectively pass through the sliding seat 40 and are in threaded connection with the sliding seat 40; a driving source 80 is arranged in the base 10, and the driving source 80 is respectively connected with the two screw rods 70 and is used for driving the two screw rods 70 to rotate; the driving source 80 drives the screw rod 70 to rotate, and the screw rod 70 rotates to drive the sliding seat 40 to move up and down, so that the device has the advantages of high transmission efficiency and high precision; except this, the utility model discloses also can choose for use cylinder and cylinder push rod to replace the transmission of lead screw 70, cylinder and slide 40 are connected respectively at the both ends of cylinder push rod, and cylinder work slides from top to bottom through cylinder push rod drive slide 40.

In another embodiment of the present invention, as shown in fig. 3, one end of each of the two lead screws 70 of the tensile testing machine is connected to a belt pulley 71, a belt 72 is wound between the two belt pulleys 71, and the driving source 80 is connected to one of the belt pulleys 71 and drives the belt pulley 71 to rotate; the screw rod 70 is driven by the belt pulley 71 and the belt 72, so that the transmission process is stable and the structure is stable.

In another embodiment of the present invention, a position sensor (not shown) for detecting the position of the slide seat 40 is disposed on a side surface of the connecting seat 20 of the tensile testing machine close to the slide seat 40; the position sensor is electrically connected with an external controller, and the controller is electrically connected with the driving source 80; when the sliding base 40 moves to the sensing position set by the position sensor, the position sensor sends a signal to the controller, and the controller controls the driving source 80 to stop working, so that the sliding base 40 slides within the set range.

In another embodiment of the present invention, as shown in fig. 1 to 3, the tensile testing machine of the tensile testing machine further includes at least two supporting seats 90, two ends of each supporting seat 90 are respectively connected to the base 10 and the connecting seat 20, and the sliding member 63 is respectively connected to each supporting seat 90 in a sliding manner; the added support seat 90 further improves the stability of the sliding part 63 during movement.

In another embodiment of the present invention, as shown in fig. 3, a position limiting member 100 for limiting the sliding seat 40 is disposed on the supporting seat 90 of the tensile testing machine, so that the sliding seat 40 slides within a set range, thereby improving the stability of the tensile testing machine.

In another embodiment of the present invention, as shown in fig. 2 to 3, an object bearing plate 110 is disposed on one side surface of the sliding seat 40 of the tensile testing machine close to the connecting seat 20, and a hardness testing assembly 120 for testing hardness of an object is disposed on one side surface of the connecting seat 20 close to the sliding seat 40; set up pulling force and hardness detection in an organic whole, simple structure, reasonable in design satisfies the market demand.

In another embodiment of the present invention, as shown in fig. 2, the hardness testing assembly 120 of the tensile testing machine includes a hardness testing head 121 and a pressure sensor 122, the pressure sensor 122 is fixedly connected to the connecting seat 20, and the hardness testing head 121 is detachably connected to the pressure sensor 122; when the hardness test is performed, the sliding base 40 moves upwards, the product is contacted with the hardness test head 121, and the pressure sensor 122 detects that the product is tested by the hardness test head 121.

In another embodiment of the present invention, as shown in fig. 2 to 3, a screw 111 is connected to the object bearing plate 110 of the tensile testing machine, a nut 112 is fixedly disposed on the connecting seat 20, and the screw 111 is in threaded connection with the nut 112; the object bearing plate 110 rotates to drive the screw 111 to rotate, the screw 111 and the nut 112 rotate relatively, so that the screw 111 moves up and down, the object bearing plate 110 is adjusted up and down, and the application range is wide.

Further, the fixing seat 61 is fixed on the slide seat by a screw connection mode.

Further, the vertical section of the sliding member 63 is in a T-shaped structure, and the structure is stable.

Further, the elastic member 66 may be a spring or a washer.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A tensile testing machine comprises a base and a connecting seat which are arranged at an upper and lower interval, wherein two guide pillars which are arranged in parallel are connected between the base and the connecting seat, and two ends of a sliding seat are respectively connected on the two guide pillars in a sliding manner; the device is characterized in that a first hook is arranged on one side surface of the base close to the sliding seat, a hook component is arranged on one side surface of the sliding seat close to the base, and the hook component comprises a fixed seat, a tension sensor, a sliding part and a second hook; the fixing base is fixed to be located on the slide, be equipped with accommodation space in the fixing base, force sensor fixed connection in the interior bottom surface of fixing base, slider swing joint in the fixing base, the one end of slider with force sensor connects, the other end of slider with the connection of second couple, the second couple is kept away from the one end of slider is passed the fixing base stretches out bend behind the fixing base and form the hook portion that is used for connecting the measured object, be connected with the elastic component on the two opposite flank of slider respectively, two the elastic component respectively with the interior top surface and the interior bottom surface contact of fixing base are so that cushion the instantaneous impact force that the slider received.

2. The tensile testing machine of claim 1, wherein a guide groove is formed on one of the opposite inner side walls of the fixing seat, and two ends of the sliding member are respectively slidably connected to the guide grooves.

3. The tensile testing machine of claim 1, wherein two lead screws are rotatably connected between the base and the connecting seat, and the two lead screws respectively penetrate through the sliding seat and are in threaded connection with the sliding seat; the base is internally provided with a driving source which is respectively connected with the two screw rods and used for driving the two screw rods to rotate.

4. The tensile testing machine of claim 3, wherein a pulley is connected to one end of each of the two lead screws, a belt is wound between the two pulleys, and the driving source is connected to one of the pulleys and drives the pulley to rotate.

5. The tensile testing machine of claim 3, wherein a position sensor for detecting the position of the sliding seat is arranged on one side surface of the connecting seat close to the sliding seat.

6. The tensile testing machine of claim 1, further comprising at least two supporting seats, wherein two ends of each supporting seat are respectively connected to the base and the connecting seat, and the sliding member is respectively connected to each supporting seat in a sliding manner.

7. The tensile testing machine of claim 6, wherein the supporting base is provided with a limiting member for limiting the sliding base.

8. The tensile testing machine of any one of claims 1 to 7, wherein an object bearing plate is arranged on one side surface of the sliding seat close to the connecting seat, and a hardness testing assembly for testing hardness of an object is arranged on one side surface of the connecting seat close to the sliding seat.

9. The tensile testing machine of claim 8, wherein the hardness testing component comprises a hardness testing head and a pressure sensor, the pressure sensor is fixedly connected to the connecting seat, and the hardness testing head is detachably connected with the pressure sensor.

10. The tensile testing machine of claim 8, wherein a screw rod is connected to the object bearing plate, a nut is fixedly arranged on the connecting seat, and the screw rod is in threaded connection with the nut.