CN210604215U

CN210604215U - Extension detection machine

Info

Publication number: CN210604215U
Application number: CN201920795205.1U
Authority: CN
Inventors: 潘金华
Original assignee: Shanghai Huaxi Membrane Structure Engineering Co ltd
Current assignee: Shanghai Huaxi Membrane Structure Engineering Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-22
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses an extension detector, belonging to a detection device; the technical scheme is characterized by comprising a rack, a stretching assembly arranged on the side wall of the rack and a clamping assembly arranged on the upper surface of the rack; the clamping assembly comprises four transverse plates and transverse rods which are arranged in a rectangular shape, wherein two adjacent transverse plates are fixedly connected with the rack, the other two transverse plates can horizontally move on the rack, and the moving direction is far away from the center of the rack; the periphery of the to-be-detected capping film is wound on the cross rod, positioning holes are formed in the two ends of the cross rod and the two ends of the transverse plate, and positioning pins are inserted into the positioning holes; the stretching assembly is connected with two movable transverse plates. The utility model provides an unsafe problem of common detection machine testing result, reached and can not cause the damage to adding the lid membrane, improve the effect of testing result accuracy.

Description

Extension detection machine

Technical Field

The utility model relates to a check out test set, more specifically the saying so, it relates to an extension detects machine.

Background

The extension detector applies horizontal tension to the detected product, and slowly increases the tension until the product is broken, thereby obtaining the elongation of the product.

The in-process that detects is being added the lid membrane to the detector, need carry out the centre gripping all around adding the lid membrane to add the lid membrane and apply the pulling force, but the conventional all is to adding the lid membrane through the clip and carry out the centre gripping, in order to prevent the clip with add the lid membrane and drop, the clamping-force ratio is great leads to the junction attenuation of adding lid membrane and clip easily, reduces the intensity that the junction adds the lid membrane, and then influences the accuracy of final testing result.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an extend and detect machine, it can reduce the clip through the centre gripping subassembly to adding the influence of capping membrane intensity, has realized the purpose that improves the testing result accuracy.

In order to achieve the above purpose, the utility model provides a following technical scheme: an extension detector comprises a rack, a stretching assembly arranged on the side wall of the rack and a clamping assembly arranged on the upper surface of the rack;

the clamping assembly comprises four transverse plates and transverse rods which are arranged in a rectangular shape, wherein two adjacent transverse plates are fixedly connected with the rack, the other two transverse plates can horizontally move on the rack, and the moving direction is far away from the center of the rack;

the periphery of the to-be-detected capping film is wound on the cross rod, positioning holes are formed in the two ends of the cross rod and the two ends of the transverse plate, and positioning pins are inserted into the positioning holes;

the stretching assembly is connected with two movable transverse plates.

Through adopting above-mentioned technical scheme, when centre gripping subassembly and the capping membrane that waits to detect carry out the centre gripping, will add the edge winding of capping membrane on the horizontal pole, then install the horizontal pole on the diaphragm, the centre gripping subassembly can carry out the centre gripping to capping membrane, because the tip of capping membrane is the winding on the horizontal pole, and the horizontal pole can not take place to rotate under the effect of locating pin, and then can make the stable connection of capping membrane on the horizontal pole, and can not produce too big oppression to capping membrane, can not lead to the intensity decline of capping membrane, thereby improve the accuracy of testing result.

The utility model discloses further set up to: the upper surface of diaphragm is seted up the arc wall that can hold the horizontal pole, and the diaphragm is half to inlay and locates in the arc wall.

Through adopting above-mentioned technical scheme, the arc wall can make better the installing in the arc wall of horizontal pole, and can increase the area of contact of diaphragm and capping membrane, reduces the oppression to capping membrane causes, reduces the influence to capping membrane intensity causes.

The utility model discloses further set up to: and a layer of glue is coated on the surface of the cross rod.

Through adopting above-mentioned technical scheme, when the edge winding that will add the epiphragma is on the horizontal pole, glue enables the initial connection of epiphragma and horizontal pole, stability when improving to connect epiphragma and horizontal pole and connect.

The utility model discloses further set up to: the upper end of the positioning pin is fixedly connected with a baffle plate, and the lower end of the positioning pin is in threaded connection with the positioning hole in the transverse plate.

Through adopting above-mentioned technical scheme, locating pin and diaphragm threaded connection, the baffle can prevent that horizontal pole and locating pin from breaking away from to avoid at the in-process that detects, the horizontal pole breaks away from at great pulling force and diaphragm, avoids causing the influence to the detection experiment.

The utility model discloses further set up to: the stretching assembly comprises a plurality of steel wire ropes fixedly connected with the transverse plate, and one end, far away from the transverse plate, of each steel wire rope is fixedly connected with a spring dynamometer.

Through adopting above-mentioned technical scheme, a plurality of wire rope can be more even to the force that applies to the diaphragm to can make tensile subassembly more even to the drawing of covering the membrane, improve the accuracy of testing result.

The utility model discloses further set up to: a plurality of fixed pulleys are fixedly connected to the side wall of the rack, and the steel wire rope is changed into a vertically downward state through the fixed pulleys.

Through adopting above-mentioned technical scheme, the fixed pulley changes wire rope's atress direction, and can not change wire rope's pulling force, and wire rope becomes vertical state, and it is tensile to capping membrane more convenient.

The utility model discloses further set up to: the upper surface of frame fixedly connected with two limiting plates, the limiting plate is in between fixed pulley and the diaphragm, and the limiting plate sets up in the edge department of frame, sets up the through-hole that can supply wire rope to pass through on the limiting plate.

Through adopting above-mentioned technical scheme, tensile subassembly will add when covering the membrane and snap, the limiting plate can carry on spacingly to the diaphragm, avoids the diaphragm to break away from with the frame under wire rope's pulling.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the clamping assembly comprises four transverse plates and transverse rods which are arranged in a rectangular shape, the edges of the covering film are wound on the transverse rods, and the transverse rods are arranged on the transverse plates through positioning pins, so that the clamping assembly can conveniently clamp the covering film, the strength of the covering film cannot be influenced, and the accuracy of a detection result is improved;

2. the lower extreme and the diaphragm threaded connection of locating pin, the upper end fixedly connected with baffle of locating pin can be to the more stable installation on the diaphragm of horizontal pole.

Drawings

FIG. 1 is a block diagram of an embodiment;

FIG. 2 is an exploded view of the structure of the clamping assembly of the embodiment;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a frame; 11. a limiting plate; 12. a through hole; 13. a fixed pulley; 2. a clamping assembly; 21. a transverse plate; 22. a cross bar; 23. an arc-shaped slot; 24. positioning holes; 25. positioning pins; 26. a baffle plate; 3. a stretching assembly; 31. a wire rope; 32. a spring load cell.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): an extension detector is shown in fig. 1 and comprises a frame 1, a clamping assembly 2 and a stretching assembly 3, wherein the clamping assembly 2 and the stretching assembly 3 are arranged on the frame 1; the clamping component 2 clamps the capping film to be detected, and the stretching component 3 stretches the capping film, so that a detection result is obtained.

As shown in fig. 1 and 3, the clamping assembly 2 includes four transverse plates 21 arranged in a rectangular shape and a cross bar 22; the transverse plate 21 is provided with an arc-shaped groove 23 capable of accommodating the transverse rod 22, two ends of the transverse rod 22 and the transverse plate 21 are provided with positioning holes 24, and positioning pins 25 are inserted into the positioning holes 24; the periphery of the capping film is wound on the cross bar 22, then the cross bar 22 is placed in the arc-shaped groove 23, the positioning pin 25 is inserted into the positioning hole 24, so that the cross bar 22 can be installed on the transverse plate 21, the positioning pin 25 can prevent the cross bar 22 from rotating, the separation of the capping film and the cross bar 22 is avoided, when the cross bar 22 is installed, the capping film is not in contact with the transverse plate 21 by paying attention to the fact that the capping film is not extruded by the transverse plate 21.

As shown in fig. 2 and 3, the glue is coated on the cross bar 22, so that the end part of the covering film can be bonded, the speed of winding the covering film on the cross bar 22 is increased, and the working efficiency is further improved; the upper end fixedly connected with baffle 26 of locating pin 25, the lower extreme of locating pin 25 and diaphragm 21 spill the locating hole 24 threaded connection of grey girl to make the installation that horizontal pole 22 can be more stable on diaphragm 21, can not break away from diaphragm 21 under the effect of pulling force, thereby make centre gripping subassembly 2 can be to adding more stable of covering the membrane centre gripping.

As shown in fig. 1 and 2, two adjacent transverse plates 21 of the four transverse plates 21 are fixedly connected to the frame 1, and the other two transverse plates 21 can move freely; the stretching assembly 3 comprises a plurality of steel wire ropes 31 and a spring dynamometer 32 fixedly connected with one ends of the steel wire ropes 31; one end of the steel wire rope 31, which is far away from the spring dynamometer 32, is fixedly connected with the transverse plate 21 capable of freely moving, and the steel wire rope 31 is divided into two groups which are uniformly and fixedly connected on the side wall of the transverse plate 21; after the clamping assembly 2 clamps the capping film, applying force to the spring dynamometer 32, pulling the transverse plate 21 to move through the steel wire rope 31, and slowly increasing the applied force until the capping film is broken, so as to detect the extensibility of the capping film; a plurality of wire rope 31 and diaphragm 21 fixed connection can make diaphragm 21 atress more even to can be to the whole edge application of force of covering the membrane, make the result of detection more accurate.

As shown in fig. 1 and 2, two limiting plates 11 of still fixedly connected with are on the frame 1, and limiting plate 11 is in two mobilizable diaphragm 21 departments and sets up, and limiting plate 11 is located diaphragm 21 and keeps away from the one side setting of covering the membrane, sets up the through-hole 12 that can supply wire rope 31 to pass through on the limiting plate 11, will cover the membrane and draw the section back, and diaphragm 21 and frame 1's breaking away from can be avoided to limiting plate 11, and the departure of avoiding diaphragm 21 produces danger.

As shown in fig. 2, still a plurality of fixed pulleys 13 of fixedly connected with on the edge of frame 1, fixed pulley 13 evenly distributed is kept away from one side of diaphragm 21 at limiting plate 11, and every fixed pulley 13 corresponds a wire rope 31, and wire rope 31 passes through fixed pulley 13 and becomes vertical state by the horizontally state, conveniently applies force to spring dynamometer 32, and can not change the result that spring dynamometer 32 measured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An extension detection machine characterized in that: comprises a frame (1), a stretching component (3) arranged on the side wall of the frame (1) and a clamping component (2) arranged on the upper surface of the frame (1);

the clamping assembly (2) comprises four transverse plates (21) and transverse rods (22) which are arranged in a rectangular shape, wherein two adjacent transverse plates (21) are fixedly connected with the rack (1), the other two transverse plates (21) can horizontally move on the rack (1), and the moving direction is far away from the center of the rack (1);

the periphery of a to-be-detected capping film is wound on the cross rod (22), positioning holes (24) are formed in the two ends of the cross rod (22) and the cross plate (21), and positioning pins (25) are inserted into the positioning holes (24);

the stretching assembly (3) is connected with two movable transverse plates (21).

2. An extension tester as claimed in claim 1, wherein: arc-shaped grooves (23) capable of containing the cross rods (22) are formed in the upper surfaces of the transverse plates (21), and the transverse plates (21) are half embedded in the arc-shaped grooves (23).

3. An extension tester as claimed in claim 1, wherein: the surface of the cross rod (22) is coated with a layer of glue.

4. An extension tester as claimed in claim 1, wherein: the upper end of the positioning pin (25) is fixedly connected with a baffle plate (26), and the lower end of the positioning pin (25) is in threaded connection with the positioning hole (24) in the transverse plate (21).

5. An extension tester as claimed in claim 1, wherein: the stretching assembly (3) comprises a plurality of steel wire ropes (31) fixedly connected with the transverse plate (21), and one end, far away from the transverse plate (21), of each steel wire rope (31) is fixedly connected with a spring dynamometer (32).

6. An extension tester as claimed in claim 1, wherein: a plurality of fixed pulleys (13) are fixedly connected to the side wall of the rack (1), and a steel wire rope (31) is changed into a vertically downward state through the fixed pulleys (13).

7. An extension tester as claimed in claim 1, wherein: the upper surface of frame (1) fixed connection has two limiting plates (11), and limiting plate (11) are in between fixed pulley (13) and diaphragm (21), and limiting plate (11) locate the edge department of frame (1), offer through-hole (12) that can supply wire rope (31) to pass through on limiting plate (11).