CN212586105U

CN212586105U - Electronic tension tester

Info

Publication number: CN212586105U
Application number: CN202021186275.6U
Authority: CN
Inventors: 蔡心映; 徐龙
Original assignee: Dongguan Guanfeng Concrete Co ltd
Current assignee: Dongguan Guanfeng Concrete Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-02-23
Anticipated expiration: 2030-06-22

Abstract

The utility model belongs to the technical field of the technique of tensile tester and specifically relates to an electron tensile tester is related to. The electronic tension tester comprises a bracket and a tray, wherein the bracket is detachably provided with an upper clamping piece and a lower clamping piece, the upper clamping piece and the lower clamping piece can move along the height direction of the bracket, and the upper clamping piece and the lower clamping piece are used for respectively clamping two ends of an object to be tested, which are deviated from each other; the tray is detachably arranged on the bracket and is positioned between the upper clamping piece and the lower clamping piece; when the tray is located the bearing position, the tray is located under last holder, and the tray is used for the bearing junk. The utility model discloses following beneficial effect has: when the tray can connect the article to be measured that the holder dropped greatly, effectively prevent that the article to be measured from dropping and leading to pounding bad with electron tension tester.

Description

Electronic tension tester

Technical Field

The utility model relates to a tensile tester's technical field, more specifically say, it relates to an electron tensile tester.

Background

The electronic tension tester is used for tension test, and is mainly used for tensile, compression, bending, peeling, shearing and tearing tests of non-metallic materials such as adhesive tapes, rubber, plastics, sponge/foam, waterproof materials, electric wires and cables, textiles, net ropes, concrete mortar, non-woven fabrics and the like, and metal wires, metal foils, metal plates and metal rods.

Most electronic tension testers in the market comprise a support, an upper clamping piece, a lower clamping piece and a computer. Wherein, go up the holder and all movably setting on the support with lower holder, and be used for the both ends that deviate from mutually of centre gripping object respectively. The upper clamping piece is provided with a mechanical inductor which transmits signals to a computer, and the computer performs data processing. The clamping device comprises an upper clamping piece, a lower clamping piece, a clamping space and a clamping mechanism, wherein the upper clamping piece and the lower clamping piece are both composed of two clamping blocks, the space between the corresponding clamping blocks is the clamping space, and the size of the clamping space is adjusted through the positions of the corresponding clamping blocks. The clamping block is driven by a cylinder to change position. Generally, the device further comprises a switch, and the corresponding switch is turned on or off, and the clamping blocks are close to or far away from each other so as to clamp or release the object to be measured.

During testing, the two ends of the object to be tested are clamped on the upper clamping piece and the lower clamping piece respectively, and after clamping is completed, the upper clamping piece is driven to move, so that the upper clamping piece is far away from the lower clamping piece, and the object to be tested is stretched. And when the object to be detected is broken, stopping moving, and performing calculation processing through data tested by the mechanical sensor to obtain a result. And then the upper clamping piece and the lower clamping piece are respectively released, so that the broken sample to be tested on the upper clamping piece is taken down, and the test is completed.

However, in the above test process, since the switch needs to be pressed to control the clamping and releasing states of the upper clamping piece and the lower clamping piece, in actual operation, when the object after being pulled off is taken down, the switch is easy to be pressed wrongly, that is, when the lower clamping piece is to be released first, the upper clamping piece is inadvertently released, so that the object clamped by the upper clamping piece falls off and is hit on the lower clamping piece below. Especially, when a metal bar is tested, for example, the tensile strength of a steel bar is tested, if the steel bar falls, the steel bar is easy to break an electronic tensile tester.

Disclosure of Invention

The utility model aims at providing an electron tension tester mainly lies in solving the middle and upper holder of prior art when loosening the article that awaits measuring, and the article that awaits measuring may drop and pound the problem down.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an electronic tension tester comprises a bracket and a tray, wherein the bracket is detachably provided with an upper clamping piece and a lower clamping piece, and the upper clamping piece is positioned right above the lower clamping piece; the upper clamping piece and the lower clamping piece can move along the height direction of the bracket and are used for respectively clamping two ends of an object to be detected, which are deviated from each other; the tray is detachably arranged on the bracket and is positioned between the upper clamping piece and the lower clamping piece; when the tray is located the bearing position, the tray is located under last holder, and the tray is used for the bearing junk.

By adopting the technical scheme, when the object to be tested is tested for parameters such as tensile strength and the like, the upper clamping piece clamps one end of the object to be tested, and the lower clamping piece clamps the other end of the object to be tested. The instrument is activated to move the upper clamp relative to the lower clamp to pull the object. And after the object is pulled off, the upper clamping piece stops moving. At this time, the tray is moved to be positioned at the receiving position. The tray can connect the article that the holder dropped greatly, prevent that article from pounding down, leading to electron tension tester to damage.

The utility model discloses further set up to: the first connecting rod and the second connecting rod are also arranged and are rotationally connected;

the one end that the second connecting rod was kept away from to the head rod can be dismantled with the support and be connected, and the one end that the first connecting rod was kept away from to the second connecting rod can be dismantled with the tray and be connected.

Through adopting above-mentioned technical scheme, the tray passes through first connecting rod, second connecting rod and leg joint. When the tray is required to be located at the bearing position, the second connecting rod is rotated, so that the second connecting rod rotates relative to the support to drive the tray to be located under the upper clamping piece.

The utility model discloses further set up to: the tray is provided with the lug, and the second connecting rod is provided with the recess, and the lug is used for pegging graft with the recess.

Through adopting above-mentioned technical scheme, the tray passes through the lug to be pegged graft with the recess to be connected with the second connecting rod, this kind of connected mode is comparatively convenient, is convenient for take off the tray moreover.

The utility model discloses further set up to: the tray and the lug are integrally formed.

Through adopting above-mentioned technical scheme, tray and lug integrated into one piece, this kind of technology is comparatively simple, connects comparatively firmly moreover, can prevent to drop because the tray breaks away from with the lug and leads to the tray.

The utility model discloses further set up to: the fastener is used for being in threaded connection with the groove and is abutted against one end, away from the first connecting rod, of the lug.

Through adopting above-mentioned technical scheme, the fastener can prevent that the lug from breaking away from the recess, prevents that the lug from breaking away from out from the recess when the second connecting rod rotates.

The utility model discloses further set up to: the lifting device is arranged on the support and used for driving the first connecting rod to move along the height direction of the supporting rod, and the first connecting rod is connected with the support through the driving device.

Through adopting above-mentioned technical scheme, because in the actual measurement process, the measuring material that awaits measuring has the length to have the short, and the tensile strength of object is different, so after the article fracture of awaiting measuring, go up the holder and the distance between the holder is different down, in addition, the article fracture department of awaiting measuring is also different highly, in order to ensure that the tray can move to the holder under, and can not touch the article of holder centre gripping down, can drive the first connecting rod motion through elevating gear, in order to drive the motion of second connecting rod, drive the direction of height motion of tray along the support simultaneously, so that it reaches required position.

The utility model discloses further set up to: the side wall of the bracket is provided with an accommodating groove, and the length direction of the accommodating groove is consistent with the height direction of the bracket;

the lifting device comprises a driving piece and a screw rod, and the driving piece is used for driving the screw rod to rotate;

the screw is rotationally arranged in the accommodating groove, and the axial direction of the screw is consistent with the length direction of the accommodating groove;

one end of the first connecting rod extends into the accommodating groove and is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, the holding tank is equivalent to the guide way, and when driving piece drive screw rotated, the screw rod drove the axial motion of head rod along the screw rod to make the head rod drive second connecting rod, tray motion, the cell wall of holding tank prevents the circumferential direction of head rod screw rod along the screw rod thereupon.

The utility model discloses further set up to: the driving piece comprises a rotating cylinder, a cylinder body of the rotating cylinder is connected with the support, and a piston end of the rotating cylinder is connected with the screw in a clamping mode.

Through adopting above-mentioned technical scheme, open the revolving cylinder, the revolving cylinder drives the screw rod and rotates to drive the first connecting rod motion, this kind of mode is comparatively convenient.

In summary, the invention includes at least one of the following beneficial technical effects:

1. go up the holder when loosening the article that awaits measuring, the article that awaits measuring can fall to the tray, effectively prevents that the article that awaits measuring from dropping and leading to pounding bad with electron tension tester.

2. The lifting mechanism can drive the tray to move so as to support objects of different types and heights, and the application range is wide.

Drawings

Fig. 1 is a schematic structural diagram of an electronic tension tester according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a schematic view of the structure of fig. 1 from another perspective.

Reference numerals: 1. a support; 11. accommodating grooves; 2. a tray; 21. a bump; 3. an upper clamping member; 4. a lower clamping member; 5. a computer; 6. a first connecting rod; 7. a second connecting rod; 71. a groove; 8. a fastener; 9. a lifting device; 91. a screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an electronic tension tester comprises a computer 5, a support 1 and a tray 2, wherein the support 1 is detachably provided with an upper clamping piece 3 and a lower clamping piece 4, and the upper clamping piece 3 is positioned right above the lower clamping piece 4. Go up holder 3 and holder 4 down and all can follow the direction of height motion of support 1, go up holder 3 and holder 4 down and be used for the both ends that deviate from mutually of centre gripping article to be measured respectively, go up and install mechanical inductor (not shown in the figure) on holder 3, mechanical inductor carries out data processing with signal transmission computer 5, computer 5. Specifically, computer 5, last holder 3 and lower holder 4 all can be chosen in prior art, for example, go up holder 3 and holder 4 down and all can include the grip block that two symmetries set up, when two grip blocks that correspond are close to each other, can form a centre gripping space, all contradict with the lateral wall of the object that awaits measuring when the grip block, the corresponding upper/lower holder 4 will await measuring the object centre gripping. Typically, a pneumatic cylinder (not shown) is used to move the clamping block. The clamping and loosening actions of the upper clamping piece and the lower clamping piece 4 are controlled through a switch, the two ends of an object to be tested are close to the upper clamping piece and the lower clamping piece 4 firstly in the process of testing the tensile force, then the switch is turned on to clamp the object, during testing, the upper clamping piece 3 is far away from the lower clamping piece 4 to stretch the object to be tested, and when the object to be tested is pulled off, the upper clamping piece 3 stops moving to complete testing. And after the test is finished, the control switch loosens the object to be tested and takes down the object. However, in the above process, the operator may press the switch by mistake, so that the upper clamping piece 3 is released in advance, the article on the upper clamping piece falls off, and the lower clamping piece 4 may be broken. To prevent this, the electronic tension tester may hold the article dropped from the upper clamp 3 by the tray 2. The tray 2 is detachably arranged on the bracket 1, and the tray 2 is positioned between the upper clamping piece 3 and the lower clamping piece 4. When tray 2 was located the bearing position, tray 2 was located holder 3 under, and tray 2 is used for the bearing to fall the thing, and tray 2 can be cuboid box dress thing, and the bottom of tray 2 and lateral wall all can install the rubber pad (not shown in the figure) to vibration/noise reduction.

In order to realize that the tray 2 is detachably arranged on the bracket 1, a first connecting rod 6 and a second connecting rod 7 are further arranged on the electronic tension tester, the first connecting rod 6 and the second connecting rod 7 are rotatably connected and can be hinged, and the hinged part is the connecting part of the end parts of the first connecting rod and the second connecting rod. One end of the second connecting rod 7, which is far away from the first connecting rod 6, is detachably connected with the tray 2. Specifically, as shown in fig. 2, the bottom of the tray 2 is provided with a projection 21 along the width direction thereof, and the projection 21 is integrally formed with the tray 2. Correspondingly, the second connecting rod 7 is provided with a groove 71, the length direction of the groove 71 is the same as that of the second connecting rod 7, and the bump 21 is used for being inserted into the groove 71. In addition, the length of the groove 71 is greater than the length of the bump 21. Such that projection 21 is fully seated within groove 71 when projection 21 abuts the walls of groove 71. In order to enhance the fixation of the protrusion 21 and the groove 71, a fastening member 8 may be mounted on the second connecting rod 7, the fastening member 8 may be a bolt, the fastening member 8 is configured to be threadedly connected with the groove 71, and when the protrusion 21 is inserted into the groove 71, the fastening member 8 abuts against an end of the protrusion 21 away from the first connecting rod 6 to prevent the protrusion 21 from being separated from the groove 71. One end of the first connecting rod 6, which is far away from the second connecting rod 7, is detachably connected with the bracket 1. Since the broken part of the object to be tested is not necessary, and the length of the object to be tested is not also necessary, the first connecting rod 6 needs to be capable of moving along the height direction of the bracket 1 to ensure that the tray 2 is positioned below the object to be tested clamped by the upper clamping member 3. In this embodiment, in order to achieve the above function, as shown in fig. 3, the electronic tension tester further includes a lifting device 9, and the lifting device 9 is used for driving the first connecting rod 6 to move along the height direction of the supporting rod. The lifting device 9 is arranged on the support 1, and the first connecting rod 6 is detachably connected with the support 1 through a driving device. In particular, the side walls of the support 1, which may be adjacent to the side walls of the support 1 connected to the upper holding part 3 or facing away from the side walls of the support 1 connected to the holding part, start to have receiving grooves 11. The length direction of the receiving groove 11 coincides with the height direction of the bracket 1. The lifting device 9 includes a driving member (not shown in the figure) and a screw 91, the driving member is used for driving the screw 91 to rotate, and the driving member may be a motor or a rotating cylinder. When the driving piece is a motor, the main body of the motor is connected with the bracket 1, and the output end of the motor is connected with the screw 91. When the driving piece is a rotating cylinder, the cylinder body of the rotating cylinder is connected with the bracket 1, and the piston end of the rotating cylinder is connected with the screw 91 in a clamping manner. The screw 91 is rotatably disposed in the accommodating groove 11, the axial direction of the screw 91 is consistent with the length direction of the accommodating groove 11, and one end of the screw 91 is connected with the piston end of the rotating cylinder or the output end of the motor. One end of the first connecting rod 6, which is far away from the second connecting rod 7, extends into the accommodating groove 11, is in threaded connection with the screw 91 and can move along the axial direction of the screw 91. When the driving member drives the screw rod 91 to rotate, the screw rod 91 drives the first connecting rod 6 thereon to move along the axial direction of the screw rod 91 so as to approach or separate from the upper clamping member 3, and when the first connecting rod 6 moves to a proper position, the driving is stopped. At this time, the second connecting rod 7 is rotated to rotate the second connecting rod 7 relative to the first connecting rod 6, so that the tray 2 connected with the second connecting rod is close to the support 1, one side wall of the tray 2 is abutted to the support 1, and the tray 2 is located under the upper clamping piece 3. If the upper clamping piece 3 is opened carelessly, the article of the upper clamping piece 3 can fall into the tray 2, so that the electronic tension tester can be prevented from being broken by smashing.

The implementation principle of the embodiment is as follows:

when the tensile experiment is completed, the driving piece drives the screw rod 91 to rotate, the screw rod 91 drives the first connecting rod 6 to move when rotating, and when the first connecting rod 6 moves to a proper position, the movement is stopped. Then rotate second connecting rod 7, second connecting rod 7 drives the tray 2 motion rather than being connected, makes tray 2 be located under holder 3, if the holder 3 is opened carelessly at this moment, then goes up the article of holder 3 centre gripping and can drop to tray 2 in, and can not drop and pound down, leads to electron tension tester to damage.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An electron tensile tester which characterized in that: the tray comprises a support (1) and a tray (2), wherein the support (1) is detachably provided with an upper clamping piece (3) and a lower clamping piece (4), and the upper clamping piece (3) is positioned right above the lower clamping piece (4); the upper clamping piece (3) and the lower clamping piece (4) can move along the height direction of the bracket (1), and the upper clamping piece (3) and the lower clamping piece (4) are used for respectively clamping two ends of an article to be tested, which are deviated from each other;

the tray (2) is detachably arranged on the bracket (1), and the tray (2) is positioned between the upper clamping piece (3) and the lower clamping piece (4);

when tray (2) are located the bearing position, tray (2) are located the centre gripping piece (3) under, and tray (2) are used for the bearing junk.

2. The electronic tension tester of claim 1, wherein: the device is also provided with a first connecting rod (6) and a second connecting rod (7), wherein the first connecting rod (6) is rotatably connected with the second connecting rod (7);

one end, far away from the second connecting rod (7), of the first connecting rod (6) is detachably connected with the support (1), and one end, far away from the first connecting rod (6), of the second connecting rod (7) is detachably connected with the tray (2).

3. The electronic tension tester of claim 2, wherein: the tray (2) is provided with a convex block (21), the second connecting rod (7) is provided with a groove (71), and the convex block (21) is used for being spliced with the groove (71).

4. The electronic tension tester of claim 3, wherein: the tray (2) and the projection (21) are integrally formed.

5. An electronic tensile tester as claimed in claim 3 or 4, wherein: the connecting rod is further provided with a fastener (8), the fastener (8) is used for being in threaded connection with the groove (71), and the fastener (8) is used for abutting against one end, away from the first connecting rod (6), of the lug (21).

6. An electronic tension tester as claimed in any one of claims 2 to 4, wherein: the lifting device (9) is arranged on the support (1), the lifting device (9) is used for driving the first connecting rod (6) to move along the height direction of the supporting rod, and the first connecting rod (6) is connected with the support (1) through the driving device.

7. The electronic tension tester of claim 6, wherein: the side wall of the bracket (1) is provided with an accommodating groove (11), and the length direction of the accommodating groove (11) is consistent with the height direction of the bracket (1);

the lifting device (9) comprises a driving piece and a screw rod (91), and the driving piece is used for driving the screw rod (91) to rotate;

the screw (91) is rotatably arranged in the accommodating groove (11), and the axial direction of the screw (91) is consistent with the length direction of the accommodating groove (11);

one end of the first connecting rod (6) extends into the accommodating groove (11) and is in threaded connection with the screw (91).

8. The electronic tension tester of claim 7, wherein: the driving piece comprises a rotating cylinder, the cylinder body of the rotating cylinder is connected with the support (1), and the piston end of the rotating cylinder is connected with the screw (91) in a clamping mode.