CN214703158U

CN214703158U - Material hardness testing device

Info

Publication number: CN214703158U
Application number: CN202121050651.3U
Authority: CN
Inventors: 张婧; 徐春艳; 王泽飞; 戴晓超; 崔立通; 袁晓溪; 郭泽萱; 田雨; 许东日
Original assignee: Jilin Teachers Institute of Engineering and Technology
Current assignee: Jilin Teachers Institute of Engineering and Technology
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-12
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a material hardness testing arrangement, including base and the test piece that awaits measuring, the upper end fixedly connected with U type frame of base, install the actuating mechanism who is used for the test on the U type frame, the upper end of base is equipped with the adjustment mechanism who offsets with the both ends inside wall of U type frame, adjustment mechanism is used for carrying out altitude mixture control, adjustment mechanism's upper end is equipped with placing mechanism, wait that the test piece is placed in placing mechanism's upper end. The utility model has the advantages of reasonable design, can fix the test piece that awaits measuring, avoid it to take place to rock or take place the displacement phenomenon in the test process, guarantee test work's normal clear, and can be convenient for adjust the height of regulating plate according to operating personnel's height, satisfy different user demands, and can play the guard action in the test process, avoid the test piece that awaits measuring to splash fish tail operating personnel, guarantee its security.

Description

Material hardness testing device

Technical Field

The utility model relates to a hardness test technical field especially relates to a material hardness testing arrangement.

Background

The hardness test is one of important indexes for detecting the performance of the material, and is one of the fastest and most economical test methods, and before the metal material is manufactured and leaves a factory, the hardness of the metal material is usually required to be tested so as to ensure the quality of the product.

The existing hardness test usually presses a heavy object into the surface of a tested material under a certain load, the hardness of the material is solved by the depth of an indentation, in the test process, a to-be-tested piece is placed on a test bench, shaking or displacement phenomenon easily occurs, the test work is influenced, the existing test bench is mostly at a fixed height, operators with different heights are not convenient to test, and when the pressure of the to-be-tested piece is too large, the phenomenon of splashing easily occurs, because the hardness of a metal material is large, operators are easy to scratch, potential safety hazards exist, therefore, a material hardness test device is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art awaits measuring the test piece and place on the testboard, take place to rock or take place the displacement phenomenon easily, influence going on of test work, and current testboard height is mostly fixed height, the operating personnel of different heights of being not convenient for carry out test work, and when the test piece that awaits measuring receives the pressure too big, the phenomenon that collapses and spatter takes place easily, there is the potential safety hazard problem, and the material hardness testing arrangement who provides, it can treat the test piece and fix, avoid it to take place to rock or take place the displacement phenomenon in the testing process, guarantee test work's normal clear, and can be convenient for adjust the height of regulating plate according to operating personnel's height, satisfy different user demands, and can play the guard action in the testing process, avoid the test piece that awaits measuring to spatter measuring fish tail operating personnel, guarantee its security.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a material hardness testing arrangement, includes the base and awaits measuring the test piece, the upper end fixedly connected with U type frame of base, install the actuating mechanism who is used for the test on the U type frame, the upper end of base is equipped with the adjustment mechanism who offsets with the both ends inside wall of U type frame, adjustment mechanism is used for carrying out altitude mixture control, adjustment mechanism's upper end is equipped with placing mechanism, treat that the test piece is placed in placing mechanism's upper end, the last fixed establishment who offsets with the test piece that awaits measuring that is equipped with of placing mechanism, be equipped with on the U type frame and shelter from the mechanism.

Preferably, actuating mechanism is including installing the cylinder at the top in the U type frame, distance sensor is installed to the flexible end tip of cylinder, distance sensor's bottom fixedly connected with pressure awl.

Preferably, adjustment mechanism is including setting up the regulating plate in the base top, the both ends of regulating plate offset with the both ends inside wall of U type frame respectively, run through on the regulating plate and seted up a plurality of first communicating grooves, it is a plurality of the inside wall of first communicating groove all runs through and has seted up the second intercommunication groove, the upper end of base is rotated and is connected with a plurality of dwangs that pass rather than relative first communicating groove, and is a plurality of the impartial interval fixedly connected with backup pad of lateral wall of dwang, the regulating plate is located between two adjacent backup pads.

Preferably, the placing mechanism comprises a pressure sensor installed at the upper end of the adjusting plate, a placing plate is installed at the upper end of the pressure sensor, and the to-be-tested piece is placed at the upper end of the placing plate.

Preferably, the fixed establishment sets up two fixed chutes on placing the board including the symmetry, two in the fixed chute respectively sliding connection have with the T type fixed plate that offsets with the both ends of waiting to test the piece, the upper end of placing the board is rotated and is connected with the threaded rod, the cover is equipped with the locating piece rather than threaded connection on the threaded rod, the preceding lateral wall of locating piece rotates and is connected with two connecting rods, two the connecting rod rotates with the preceding lateral wall of two T type fixed plates respectively and is connected.

Preferably, shelter from the mechanism and include the glass observation window of rotation connection on U type frame preceding lateral wall, the lateral wall fixedly connected with first L template of U type frame, the lateral wall of glass observation window rotates and is connected with the second L template relative with first L template.

Compared with the prior art, the utility model, its beneficial effect does:

1. through fixed establishment's setting, can make two T type fixed plates be close to each other or keep away from each other through rotating the threaded rod, treat the test piece and fix, avoid it to take place to rock or take place the displacement phenomenon in the testing process, guarantee test work's normal clear.

2. Through adjustment mechanism's setting, can make the backup pad relative with second intercommunication groove through rotating the dwang, and then can be convenient for adjust the height of regulating plate according to operating personnel's height, satisfy different user demands.

3. Through the setting of glass observation window, first L template, second L template, can play the guard action in the testing process, avoid the examination spare that awaits measuring to splash fish tail operating personnel, guarantee its security.

To sum up, the utility model has the advantages of reasonable design, can fix the test piece that awaits measuring, avoid it to take place to rock or take place the displacement phenomenon in the test procedure, guarantee test work's normal clear, and can be convenient for adjust the height of regulating plate according to operating personnel's height, satisfy different user demands, and can play the guard action in the test procedure, avoid the test piece that awaits measuring to splash fish tail operating personnel, guarantee its security.

Drawings

Fig. 1 is a schematic structural view of a material hardness testing device provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an external structural schematic diagram of a material hardness testing device according to the present invention.

In the figure: the test device comprises a base 1, a 2U-shaped frame, a 3 air cylinder, a 4 distance sensor, a 5 pressure cone, a 6 adjusting plate, a 7 first connecting groove, a 8 second connecting groove, a 9 rotating rod, a 10 supporting plate, a 11 pressure sensor, a 12 placing plate, a 13 to-be-tested piece, a 14 fixed sliding groove, a 15T-shaped fixed plate, a 16 threaded rod, a 17 positioning block, a 18 connecting rod, a 19 glass observation window, a 20 first L-shaped plate and a 21 second L-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, a material hardness testing device comprises a base 1 and a to-be-tested piece 13, wherein the upper end of the base 1 is fixedly connected with a U-shaped frame 2, a driving mechanism for testing is installed on the U-shaped frame 2, the driving mechanism comprises a cylinder 3 installed at the top in the U-shaped frame 2, a distance sensor 4 is installed at the end part of a telescopic end of the cylinder 3, a pressure cone 5 is fixedly connected to the bottom of the distance sensor 4, and it is noted that the cylinder 3 can drive the distance sensor 4 and the pressure cone 5 to slide downwards to extrude the to-be-tested piece 13 for hardness testing;

the upper end of the base 1 is provided with an adjusting mechanism which is abutted against the inner side walls at two ends of the U-shaped frame 2 and is used for height adjustment, the adjusting mechanism comprises an adjusting plate 6 which is arranged above the base 1, two ends of the adjusting plate 6 are respectively abutted against the inner side walls at two ends of the U-shaped frame 2, attention needs to be paid, the adjusting plate 6 is abutted against the inner side walls at two ends of the U-shaped frame 2, so that the adjusting plate 6 can only slide up and down in the vertical direction, a plurality of first connecting grooves 7 are arranged on the adjusting plate 6 in a penetrating way, second connecting grooves 8 are arranged on the inner side walls of the first connecting grooves 7 in a penetrating way, a plurality of rotating rods 9 which penetrate through the first connecting grooves 7 opposite to the rotating rods are rotatably connected at the upper end of the base 1, a plurality of support plates 10 are fixedly connected at equal intervals on the side walls of the rotating rods 9, the adjusting plate 6 is positioned between two adjacent support plates 10, attention needs to be paid, the plurality of support plates 10 are positioned on the same straight line, the rotating rod 9 is rotated to enable the supporting plates 10 to be opposite to the second communicating groove 8, so that the adjusting plate 6 can slide up and down, the height of the adjusting plate is adjusted, the height of the to-be-tested piece 13 can be convenient for operators with different heights to carry out testing work, and when the rotating rod 9 is rotated to enable two adjacent supporting plates 10 to be abutted against the upper end and the lower end of the adjusting plate 6, the adjusting plate 6 can be supported and fixed, so that the testing work is convenient to carry out;

the upper end of the adjusting mechanism is provided with a placing mechanism, a to-be-tested piece 13 is placed at the upper end of the placing mechanism, the placing mechanism comprises a pressure sensor 11 installed at the upper end of the adjusting plate 6, a placing plate 12 is installed at the upper end of the pressure sensor 11, and the to-be-tested piece 13 is placed at the upper end of the placing plate 12, so that the pressure sensor 11 can detect the pressure applied to the to-be-tested piece 13, and further can act together with the distance sensor 4 to calculate the hardness of the to-be-tested piece 13;

the placing mechanism is provided with a fixing mechanism which is abutted against the piece to be tested 13, the fixing mechanism comprises two fixing chutes 14 which are symmetrically arranged at the upper end of the placing plate 12, T-shaped fixing plates 15 which are abutted against the two ends of the piece to be tested 13 are respectively connected in the two fixing chutes 14 in a sliding way, the upper end of the placing plate 12 is rotatably connected with a threaded rod 16, a positioning block 17 which is in threaded connection with the threaded rod 16 is sleeved on the threaded rod 16, the front side wall of the positioning block 17 is rotatably connected with two connecting rods 18, the two connecting rods 18 are respectively rotatably connected with the front side walls of the two T-shaped fixing plates 15, and it is noted that the T-shaped fixing plates 15 are matched with the fixing chutes 14 to enable the T-shaped fixing plates to only slide in the fixing chutes 14, when the positioning block 17 slides up and down, the two T-shaped fixing plates 15 can slide away from or close to each other in the fixing sliding chute 14 under the connecting action of the connecting rod 18, so that the to-be-tested piece 13 can be conveniently fixed;

be equipped with on U type frame 2 and shelter from the mechanism, shelter from the mechanism including rotating the glass observation window 19 of connecting on U type frame 2 preceding lateral wall, the first L template 20 of lateral wall fixedly connected with of U type frame 2, the lateral wall of glass observation window 19 rotates and is connected with the second L template 21 relative with first L template 20, it needs to notice, it makes it relative rather than offset with first L template 20 to rotate second L template 21, can fix glass observation window 19, glass observation window 19 can play the guard action, avoid waiting to await measuring 13 fish tail operating personnel that splashes in the testing process, can observe test work when the guarantee security.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

in the utility model, when the hardness test is needed to be carried out on the piece to be tested 13, the piece to be tested 13 is placed at the upper end of the placing plate 12 and is positioned between the two T-shaped fixing plates 15, the threaded rod 16 is rotated, under the meshing action, the positioning block 17 slides downwards, and then under the connecting action of the two connecting rods 18, the two T-shaped fixing plates 15 are pulled to slide in the fixing sliding chute 14 to be close to each other and abut against the side walls at the two ends of the piece to be tested 13, the piece to be tested 13 is stably fixed, the phenomenon of shaking or displacement during the test work is avoided, the normal operation of the test work is ensured, the glass observation window 19 is closed, the second L-shaped plate 21 is rotated to be opposite and abut against the first L-shaped plate 20, the glass observation window 19 is fixed, the piece to be tested is in a closed state, the operator is prevented from splashing and scratching the piece to be tested, the safety of the cylinder is ensured, the cylinder 3 is started, the cylinder 3 drives the distance sensor 4 and the pressure cone 5 to move downwards for testing, the distance sensor 4 can detect the distance of the pressure cone 5 moving downwards on the surface of the to-be-tested piece 13, the pressure sensor 11 can detect the pressure on the to-be-tested piece 13, and therefore the hardness of the to-be-tested piece 13 can be calculated conveniently;

after the test, rotate second L template 21, open glass observation window 19, reverse rotation threaded rod 16, make locating piece 17 upwards slide, under the connection of connecting rod 18, two T type fixed plates 15 keep away from each other, will treat that test piece 13 takes out, highly adjusting to adjusting plate 6 as required, so that different height staff carries out the test work, rotate a plurality of dwang 9, make backup pad 10 relative with second intercommunication groove 8, adjusting plate 6 can slide from top to bottom this moment, be convenient for highly adjusting it, adjust the back that finishes, it makes backup pad 10 no longer relative with second intercommunication groove 8 to rotate dwang 9, make adjusting plate 6 be located between two adjacent backup pads 10, a plurality of dwang 9 can the combined action with a plurality of backup pad 10, it is firm fixed to adjust plate 6, the going on of the test work of being convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a material hardness testing arrangement, includes the base and awaits measuring the test piece, its characterized in that, the upper end fixedly connected with U type frame of base, install the actuating mechanism who is used for the test on the U type frame, the upper end of base is equipped with the adjustment mechanism who offsets with the both ends inside wall of U type frame, adjustment mechanism is used for carrying out the altitude mixture control, adjustment mechanism's upper end is equipped with placing mechanism, it places in placing mechanism's upper end to wait to test the test piece, placing mechanism is last to be equipped with the fixed establishment who offsets with the test piece that awaits measuring, be equipped with on the U type frame and shelter from the mechanism.

2. The material hardness testing device according to claim 1, wherein the driving mechanism comprises a cylinder mounted at the top in the U-shaped frame, a distance sensor is mounted at the end of a telescopic end of the cylinder, and a pressure cone is fixedly connected to the bottom of the distance sensor.

3. The material hardness testing device according to claim 1, wherein the adjusting mechanism comprises an adjusting plate arranged above the base, two ends of the adjusting plate respectively abut against inner side walls of two ends of the U-shaped frame, a plurality of first communicating grooves are formed in the adjusting plate in a penetrating manner, a plurality of second communicating grooves are formed in inner side walls of the first communicating grooves in a penetrating manner, a plurality of rotating rods penetrating through the first communicating grooves opposite to the rotating rods are rotatably connected to the upper end of the base, a plurality of supporting plates are fixedly connected to side walls of the rotating rods at equal intervals, and the adjusting plate is located between two adjacent supporting plates.

4. The apparatus for testing hardness of material according to claim 3, wherein the placing mechanism comprises a pressure sensor installed on an upper end of the adjusting plate, a placing plate is installed on an upper end of the pressure sensor, and the test piece is placed on an upper end of the placing plate.

5. The device for testing the hardness of the material according to claim 4, wherein the fixing mechanism comprises two fixing sliding grooves symmetrically formed in the upper end of the placing plate, the two fixing sliding grooves are respectively and slidably connected with T-shaped fixing plates which abut against two ends of the piece to be tested, the upper end of the placing plate is rotatably connected with a threaded rod, a positioning block in threaded connection with the threaded rod is sleeved on the threaded rod, two connecting rods are rotatably connected to the front side walls of the positioning block, and the two connecting rods are respectively and rotatably connected to the front side walls of the two T-shaped fixing plates.

6. The material hardness testing device of claim 1, wherein the shielding mechanism comprises a glass observation window rotatably connected to a front side wall of the U-shaped frame, a first L-shaped plate is fixedly connected to a side wall of the U-shaped frame, and a second L-shaped plate opposite to the first L-shaped plate is rotatably connected to a side wall of the glass observation window.