CN219284923U

CN219284923U - Portable Richter hardness tester for metal hardness detection

Info

Publication number: CN219284923U
Application number: CN202320058620.5U
Authority: CN
Inventors: 董亚凯; 游国峰; 崔建华; 王鹏
Original assignee: Hebei Liantai Testing Technology Co ltd
Current assignee: Hebei Liantai Testing Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-30
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of a Richter hardness tester, in particular to a portable Richter hardness tester for metal hardness, which comprises a main body, a sleeve and a fixed ring, wherein the upper end of the main body is provided with a guide pipe, the inside of the guide pipe is provided with an impact body, the lower part of the impact body is provided with a ball head, the upper end of the sleeve is provided with a button, the inner wall of the sleeve is provided with an impact spring, the lower end of the main body is provided with a coil, one end of the fixed ring is provided with a connecting block, one end of the connecting block is provided with a spring matched with the fixed ring, one side of the fixed ring is provided with a movable shaft, one side of the connecting block is provided with a connecting shaft, the outer side of the connecting block is provided with a supporting shaft, the supporting shaft and the resistance on the surface of a connecting block test material start to upwards extrude the spring to the direction of the fixed ring, and when the supporting shaft approaches to the coil, the movable shaft and the connecting shaft approaches to the parallel more and more, the supporting shaft outwards expands to the maximum when the supporting shaft approaches to the coil, so that the main body can be firmly not deviate in position.

Description

Portable Richter hardness tester for metal hardness detection

Technical Field

The utility model relates to the technical field of a Richter hardness tester, in particular to a portable Richter hardness tester for metal hardness detection.

Background

The hardness meter is an instrument for measuring the hardness of a material, and the hardness meter is used for converting a Reed value into a hardness value of the measured material according to the ratio of the rebound speed and the impact speed of an impact body, wherein the impact body of an impact device is rebounded when contacting the surface of a sample; the existing Lev's hardness tester is used for detecting by rebound when an impact body in the device contacts the surface of a detected material, various shapes exist on the surface of the detected material, the Lev's hardness tester needs to ensure that a ball head impacts the surface to be detected in the vertical direction, the detection personnel needs to control the direction of the Lev's hardness tester by themselves, the tested data are accurate, when the impact device shakes or the detected surface is uneven, the mutual difference value between the hardness values measured by the same measuring position and the same Lev's hardness tester reaches 8-10HRC, therefore, part of staff can stably support the impact device by adopting an auxiliary supporting device, and the supporting device and the Lev's hardness tester need to be carried respectively when the Lev's hardness tester is used, and the carrying burden of workers is increased.

Disclosure of Invention

In order to solve the above problems in the prior art, a portable brinell hardness tester for detecting metal hardness is provided.

The specific technical scheme is as follows:

the utility model provides a metal hardness detects with portable brinell hardness tester, includes main part, sleeve pipe and solid fixed ring, the upper end of main part is equipped with the pipe, the inside of pipe is equipped with the impact body, the below of impact body is equipped with the bulb, sheathed tube upper end is equipped with the button, sheathed tube inner wall is equipped with impact spring, the lower extreme of main part is equipped with the coil, gu fixed ring's one end is equipped with the connecting block, the one end of connecting block be equipped with gu fixed ring matched with spring, one side of gu fixed ring is equipped with the loose axle, one side of connecting block is equipped with the connecting axle, the outside of connecting block is equipped with the back shaft.

Preferably, the inner wall of the main body is connected to the outer wall of the catheter through a fastener, the inner wall of the fixing ring is provided with a through hole, and one side of the fixing ring is fixedly connected to one side of the main body.

Preferably, one end of the spring is fixedly connected to the inner wall of the fixed ring, one end of the spring, which is far away from the fixed ring, is fixedly connected to the inner wall of the connecting block, and the inner wall of the coil is movably connected to the outer wall of the catheter.

Preferably, the outer wall of the catheter is movably connected to the inner wall of the fixed ring through the through hole, one end of the movable shaft is movably connected to the outer wall of the fixed ring, and one end of the movable shaft, which is far away from the fixed ring, is movably connected to the outer wall of the connecting shaft.

Preferably, one end of the connecting shaft is movably connected to the outer wall of the connecting block, one end of the connecting shaft away from the connecting block is movably connected to the outer wall of the supporting shaft, and one end of the supporting shaft is movably connected to the outer wall of the movable shaft.

Preferably, one end of the button is connected to the inner wall of the sleeve in a jogged manner, the impact spring is fixedly connected to the inner wall of the sleeve, the impact body is movably connected to the inner wall of the guide pipe, and the ball head is connected to one end of the impact body in a jogged manner.

Preferably, the outer wall of the conduit is fixedly connected with a rubber layer, and one side, away from the spring, of the connecting block is connected with a supporting ring through a fastener.

The technical scheme has the following advantages or beneficial effects:

1. when the device is used, the fixing ring, the spring, the connecting block, the movable shaft, the connecting shaft and the supporting shaft are arranged, the top of the fixing ring is fixedly connected to the bottom of the main body, the supporting ring and the resistance on the surface of the testing material of the connecting block start to upwards extrude the spring to move towards the direction of the fixing ring, at this time, the movable shaft and the connecting shaft start to outwards expand, because the coil is sleeved on the outer wall of the catheter and simultaneously positioned in the spring, when the supporting ring is close to the coil, the movable shaft and the connecting shaft are more and more close to be parallel, the supporting shaft also outwards expands to the maximum, and the main body can be stabilized without shifting in position.

2. When the device is used, the top of the fixing ring is fixedly connected to the bottom of the main body, the support frame and the Brinell hardness tester can be guaranteed to be connected, the support frame and the Brinell hardness tester can be combined together through the arrangement, the carrying work of a user is facilitated, the friction of the user holding the Brinell hardness tester can be increased through the rubber layer, the sliding of the Brinell hardness tester from the hand of the user is prevented, and the damage to the Brinell hardness tester is caused.

Drawings

Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.

FIG. 1 is a schematic diagram of a portable Lee's hardness tester for metal hardness testing according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a portable Richter hardness tester for metal hardness testing according to the present utility model;

FIG. 3 is a schematic view of a portable Brinell hardness tester for metal hardness test and a supporting frame thereof;

fig. 4 is a schematic diagram of a support frame of a portable brinell hardness tester for metal hardness test according to the present utility model.

The above reference numerals denote: the main body 1, the guide tube 2, the rubber layer 21, the impact body 22, the ball head 23, the sleeve 3, the button 31, the impact spring 32, the coil 4, the support ring 5, the fixed ring 6, the movable shaft 61, the through hole 62, the spring 7, the connection block 8, the connection shaft 81 and the support shaft 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1-4, a portable type hardness tester for metal hardness detection comprises a main body 1, a sleeve 3 and a fixed ring 6, wherein a guide pipe 2 is arranged at the upper end of the main body 1, an impact body 22 is arranged in the guide pipe 2, a ball head 23 is arranged below the impact body 22, a button 31 is arranged at the upper end of the sleeve 3, an impact spring 32 is arranged on the inner wall of the sleeve 3, a coil 4 is arranged at the lower end of the main body 1, a connecting block 8 is arranged at one end of the fixed ring 6, a spring 7 matched with the fixed ring 6 is arranged at one end of the connecting block 8, a movable shaft 61 is arranged at one side of the fixed ring 6, a connecting shaft 81 is arranged at one side of the connecting block 8, a supporting shaft 9 is arranged at the outer side of the connecting block 8, the supporting shaft 5 and resistance on the surface of a test material of the connecting block 8 start to extrude the spring 7 upwards to the direction of the fixed ring 6, at the moment, the movable shaft 61 and the connecting shaft 81 start to be located in the inner part of the spring 7 when the coil 4 is sleeved on the outer wall of the guide pipe, when the supporting ring 5 is close to the coil 4, the movable shaft 61 and the connecting shaft 81 is also approaches the supporting shaft 9 to the maximum when the supporting shaft is in the direction, and the supporting shaft 1 is not expanded outwards, so that the main body 1 can be stably offset.

Further, the inner wall of the main body 1 is connected to the outer wall of the catheter 2 through a fastener, the inner wall of the fixing ring 6 is provided with a through hole 62, one side of the fixing ring 6 is fixedly connected to one side of the main body 1, one side of the fixing ring 6 is fixedly connected to the lower end of the main body 1, and the support frame can be guaranteed to be connected with the Lei hardness tester.

Further, one end fixed connection of spring 7 is at the inner wall of solid fixed ring 6, and the one end fixed connection of solid fixed ring 6 is kept away from to spring 7 is at the inner wall of connecting block 8, and the inner wall swing joint of coil 4 is at the outer wall of pipe 2, and resistance on support ring 5 can with connecting block 8 test material surface begins upwards to extrude spring 7 to the direction removal of solid fixed ring 6.

Further, the outer wall of the catheter 2 is movably connected to the inner wall of the fixed ring 6 through the through hole 62, one end of the movable shaft 61 is movably connected to the outer wall of the fixed ring 6, one end of the movable shaft 61, which is far away from the fixed ring 6, is movably connected to the outer wall of the connecting shaft 81, and the movable shaft 61 is movably connected to the outer wall of the fixed ring 6, so that the movement of the movable shaft 61 is not affected when the support frame is supported outwards.

Further, one end swing joint of connecting axle 81 is at the outer wall of connecting block 8, and one end swing joint of connecting axle 81 keeping away from connecting block 8 is at the outer wall of back shaft 9, and the one end swing joint of back shaft 9 is at the outer wall of loose axle 61, and the inside of connecting block 8 also is equipped with the through-hole, can not receive the influence of pipe 2 when connecting block 8 removes to the direction of solid fixed ring 6.

Further, one end of the button 31 is connected to the inner wall of the sleeve 3 in a jogged manner, the impact spring 32 is fixedly connected to the inner wall of the sleeve 3, the impact body 22 is movably connected to the inner wall of the guide pipe 2, the ball head 23 is connected to one end of the impact body 22 in a jogged manner, and the ball head 23 is perpendicular to the surface of the tested material, so that the material can be tested by the Reevel hardness tester conveniently.

Further, the outer wall fixedly connected with rubber layer 21 of pipe 2, connecting block 8 are kept away from one side of spring 7 and are connected with holding ring 5 through the fastener, set up the friction that rubber layer 21 can increase the user in holding the brinell hardness tester, prevent that the brinell hardness tester from slipping down from the user's hand, cause the damage to the brinell hardness tester, the holding ring 5 is inside also to be equipped with the through-hole.

Working principle: when the device is used, the supporting ring 5 is connected with the bottom of the connecting block 8 in order to prevent the main body 1 from shaking during detection and influence the normal operation of the main body 1, when the device is vertically placed on the surface of a tested material, the supporting ring 5 and the resistance of the surface of the tested material of the connecting block 8 start to extrude the spring 7 upwards to move towards the fixed ring 6, at the moment, the movable shaft 61 and the connecting shaft 81 start to expand outwards because the coil 4 is sleeved on the outer wall of the catheter and is also positioned in the spring 7, when the supporting ring 5 is close to the coil 4, the movable shaft 61 and the connecting shaft 81 are gradually close to the parallel supporting shaft 9 also expand outwards to the maximum, so that the main body 1 can be stabilized and does not deviate in position, when the main body 1 is taken out, the connecting block 8 moves towards the side far away from the fixed ring 6, and at the moment, the movable shaft 61, the supporting shaft 9 and the connecting shaft 81 gather towards the outer wall of the main body 1.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A portable Li hardness tester for metal hardness detection is characterized in that: including main part (1), sleeve pipe (3) and solid fixed ring (6), the upper end of main part (1) is equipped with pipe (2), the inside of pipe (2) is equipped with impact body (22), the below of impact body (22) is equipped with bulb (23), the upper end of sleeve pipe (3) is equipped with button (31), the inner wall of sleeve pipe (3) is equipped with impact spring (32), the lower extreme of main part (1) is equipped with coil (4), the one end of solid fixed ring (6) is equipped with connecting block (8), the one end of connecting block (8) be equipped with solid fixed ring (6) matched with spring (7), one side of solid fixed ring (6) is equipped with loose axle (61), one side of connecting block (8) is equipped with connecting axle (81), the outside of connecting block (8) is equipped with back shaft (9).

2. The portable brinell hardness tester as set forth in claim 1, wherein: the inner wall of the main body (1) is connected with the outer wall of the catheter (2) through a fastener, a through hole (62) is formed in the inner wall of the fixed ring (6), and one side of the fixed ring (6) is fixedly connected with one side of the main body (1).

3. The portable brinell hardness tester as set forth in claim 1, wherein: one end fixed connection of spring (7) is in the inner wall of solid fixed ring (6), one end fixed connection that spring (7) kept away from gu fixed ring (6) is in the inner wall of connecting block (8), the inner wall swing joint of coil (4) is in the outer wall of pipe (2).

4. The portable hardness tester for metal hardness testing according to claim 2, wherein: the outer wall of the catheter (2) is movably connected to the inner wall of the fixed ring (6) through the through hole (62), one end of the movable shaft (61) is movably connected to the outer wall of the fixed ring (6), and one end of the movable shaft (61) away from the fixed ring (6) is movably connected to the outer wall of the connecting shaft (81).

5. The portable brinell hardness tester as set forth in claim 1, wherein: one end swing joint of connecting axle (81) is in the outer wall of connecting block (8), one end swing joint that connecting axle (81) kept away from connecting block (8) is in the outer wall of back shaft (9), one end swing joint of back shaft (9) is in the outer wall of loose axle (61).

6. The portable brinell hardness tester as set forth in claim 1, wherein: one end of the button (31) is connected with the inner wall of the sleeve (3) in a jogged mode, the impact spring (32) is fixedly connected with the inner wall of the sleeve (3), the impact body (22) is movably connected with the inner wall of the guide pipe (2), and the ball head (23) is connected with one end of the impact body (22) in a jogged mode.

7. The portable brinell hardness tester as set forth in claim 1, wherein: the outer wall of the guide pipe (2) is fixedly connected with a rubber layer (21), and one side, far away from the spring (7), of the connecting block (8) is connected with a supporting ring (5) through a fastener.