CN220104652U

CN220104652U - Hardness testing tool

Info

Publication number: CN220104652U
Application number: CN202321688290.4U
Authority: CN
Inventors: 郝晓健; 郭京晨; 杜金萍; 白冰; 李英明; 焦霞; 马凯洁
Original assignee: Hefei Foryon Intelligent Control Science & Technology Co ltd
Current assignee: Hefei Foryon Intelligent Control Science & Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-11-28
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a hardness testing tool, which comprises a hardness machine, wherein a lifting rod is arranged in the middle of the hardness machine, a first connecting block is arranged at the upper end of the lifting rod, a detection table is arranged on the upper side surface of the first connecting block, a fixing device is arranged on the surface of the detection table, the fixing device comprises two groups of grooves formed in the lower side surface of the detection table, two groups of grooves are internally and rotatably connected with a bidirectional screw rod, one end of the bidirectional screw rod extends to one side of the detection table, two ends of the bidirectional screw rod are connected with movable sleeves in a threaded manner, the upper ends of the two groups of U-shaped rods are fixedly connected with fixing plates, two opposite sides of the two groups of fixing plates are fixedly connected with limiting plates, and when hardness is detected, a sample to be detected is placed on the upper side of the detection table through the fixing device, and then the sample can be limited and fixed under the action of the fixing device by adjusting the fixing device, so that the phenomenon of instability during hardness detection can be avoided, and the stability of use is greatly improved.

Description

Hardness testing tool

Technical Field

The utility model relates to the technical field of hardness tools, in particular to a tool for testing hardness.

Background

The hardness and physical technical terms are that the capability of the material for locally resisting the penetration of hard objects into the surface is called hardness, and the capability of the solid for locally resisting the penetration of external objects is an index for comparing the hardness of various materials.

When the hardness of the tool is tested, a hardness machine is used, the hardness machine can measure the Rockwell hardness values of the surfaces of steel, alloy steel, hard alloy, electroplated layers, carburization layers, nitridation layers and cyanide layers, the measured hardness values can be directly read from a display window, but the conventional hardness machine is inconvenient to fix a test sample, so that the situation of unstable placement exists during detection, the hardness detection is not facilitated, and the tool for testing the hardness is provided.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the tool for testing the hardness, which avoids the phenomenon of instability in the process of hardness detection and greatly improves the use stability.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a test hardness frock, is including the hardness machine, the centre department of hardness machine is provided with the lifter, the upper end of lifter is provided with first connecting block, the upside of first connecting block is provided with the test bench, the surface of test bench is provided with fixing device.

As a preferable technical scheme of the utility model, the fixing device comprises two groups of grooves formed in the lower side surface of the detection table, two groups of grooves are internally and rotatably connected with a bidirectional screw rod, one end of the bidirectional screw rod extends to one side of the detection table, two ends of the bidirectional screw rod are both in threaded connection with movable sleeves, the lower sides of the two groups of movable sleeves are both fixedly connected with second connecting blocks, the lower ends of the two groups of second connecting blocks are both fixedly connected with U-shaped rods, the upper ends of the two groups of U-shaped rods are both fixedly connected with fixing plates, and two opposite sides of the two groups of fixing plates are both fixedly connected with limiting plates.

As a preferable technical scheme of the utility model, the length of the U-shaped rod is larger than the diameter of the detection table.

As a preferable technical scheme of the utility model, one end of the bidirectional screw rod is fixedly connected with a rotating handle.

As a preferable technical scheme of the utility model, two opposite sides of the two groups of limiting plates are provided with irregular bulges.

As a preferable technical scheme of the utility model, the length of the movable sleeve is matched with the width of the groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the fixing device who sets up, when detecting, to wait to detect the sample and put in the upside of detecting the platform, then through the inside two-way lead screw that rotates the connection of forward or reverse rotation recess, make the movable sleeve can be to the direction motion that is close to each other or keep away from under the effect of two-way lead screw, make the fixed plate that U-shaped pole can drive its both ends fixed connection move to the direction that is close to each other or keep away from, thereby can make the limiting plate of the opposite side of fixed plate move to the direction that is close to each other or keep away from, can play spacing fixed effect to the sample of putting in the detecting platform upside, the unstable phenomenon appears when having avoided carrying out hardness detection, stability in use has been improved greatly.

2. Through the rotating handle that sets up, conveniently through rotating the rotating handle, drive the inside two-way lead screw that rotates the connection of recess and carry out circular motion, be favorable to improving the convenience of use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the inspection station according to the present utility model;

FIG. 3 is a schematic diagram showing a lower view of the inspection station according to the present utility model;

fig. 4 is a schematic view of the structure of the U-shaped bar of the present utility model.

Wherein: 100. a hardness machine; 200. a lifting rod; 300. a first connection block; 400. a detection table; 500. a fixing device; 501. a groove; 502. a two-way screw rod; 503. a movable sleeve; 504. a second connection block; 505. a U-shaped rod; 506. a fixing plate; 507. a limiting plate; 600. a rotating handle.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1 to 4, the utility model provides a hardness testing tool, which comprises a hardness machine 100, wherein a lifting rod 200 is arranged in the middle of the hardness machine 100, a first connecting block 300 is arranged at the upper end of the lifting rod 200, a detection table 400 is arranged on the upper side surface of the first connecting block 300, a fixing device 500 is arranged on the surface of the detection table 400, a sample to be detected is placed on the upper side of the detection table 400 when the hardness is detected by the aid of the fixing device 500, and then the sample can be limited and fixed under the action of the fixing device 500 by adjusting the fixing device 500, so that an unstable phenomenon during the hardness detection can be avoided, and the use stability is greatly improved.

In other embodiments, the fixing device 500 includes two sets of grooves 501 formed on the lower side of the detection platform 400, the two sets of grooves 501 are internally and rotatably connected with a bidirectional screw rod 502, one end of the bidirectional screw rod 502 extends to one side of the detection platform 400, two ends of the bidirectional screw rod 502 are both in threaded connection with movable sleeves 503, the lower sides of the two sets of movable sleeves 503 are both fixedly connected with second connecting blocks 504, the lower ends of the two sets of second connecting blocks 504 are both fixedly connected with U-shaped rods 505, the upper ends of the two sets of U-shaped rods 505 are both fixedly connected with fixing plates 506, two opposite sides of the two sets of fixing plates 506 are both fixedly connected with limiting plates 507, during detection, a sample to be detected is placed on the upper side of the detection platform 400, then the bidirectional screw rod 502 is in threaded connection with the movable sleeve 503 through the bidirectional screw rod 502 which is in a forward or reverse direction, the length of the movable sleeve 503 is matched with the width of the groove 501, so that the movable sleeve 503 can be limited by the groove 501, the movable sleeve 503 can move towards or away from each other under the action of the bidirectional screw rod 502, the upper ends of the two sets of the second connecting blocks 504 are both fixedly connected with the fixing plates 506, and the two opposite sides of the fixing plates 506 can move towards each other towards the opposite sides of the fixing plates through the fixing plates 506 through the second connecting plates 505, so that the two opposite sides can move towards the opposite sides of the fixing plates to be fixed towards each other.

In other embodiments, the length of the U-shaped rod 505 is greater than the diameter of the test bench 400, and by setting the length difference, the range of the limiting plate 507 during fixing can be increased, so that smaller samples can be fixed, which is beneficial to increasing the detection range.

In other embodiments, one end of the bidirectional screw rod 502 is fixedly connected with a rotating handle 600, and through the rotating handle 600, the groove 501 is driven to rotate and connect the bidirectional screw rod 502 to perform circular motion, so that convenience in use is improved.

In other embodiments, irregular protrusions are disposed on two opposite sides of the two sets of limiting plates 507, so that friction between two opposite sides of the limiting plates 507 and the sample can be increased, which is beneficial to further improving stability of limiting and fixing.

In other embodiments, the length of the movable sleeve 503 is adapted to the width of the groove 501, so that the movable sleeve 503 can be better limited by the groove 501, which is beneficial to improving the flexibility of the two sets of movable sleeves 503 when moving towards or away from each other.

Working principle: during detection, a sample to be detected is placed on the upper side of the detection platform 400, then the rotating handle 600 is rotated in the forward direction or the reverse direction, the rotating handle 600 drives the bidirectional screw rod 502 connected in the groove 501 to rotate in the forward direction or the reverse direction, the bidirectional screw rod 502 is in threaded connection with the movable sleeve 503, the length of the movable sleeve 503 is matched with the width of the groove 501, the movable sleeve 503 can be limited by the groove 501, the movable sleeve 503 can move towards the direction close to or far away from each other under the action of the bidirectional screw rod 502, the U-shaped rod 505 is fixedly connected with the movable sleeve 503 through the second connecting block 504, the fixing plates 506 fixedly connected with the two ends of the U-shaped rod 505 can move towards the direction close to or far away from each other, and therefore the limiting plates 507 on the opposite sides of the fixing plates 506 can move towards the direction close to or far away from each other, the sample placed on the upper side of the detection platform 400 can be limited and fixed, the phenomenon of instability during hardness detection is avoided, and the stability in use is greatly improved.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a test hardness frock, includes hardness machine (100), its characterized in that: the middle of hardness machine (100) is provided with lifter (200), the upper end of lifter (200) is provided with first connecting block (300), the upside of first connecting block (300) is provided with detects platform (400), the surface of detecting platform (400) is provided with fixing device (500).

2. The hardness testing tool according to claim 1, wherein: fixing device (500) are including two sets of recess (501) of examining table (400) downside seting up, two sets of inside rotation of recess (501) is connected with two-way lead screw (502), and one end of two-way lead screw (502) extends to one side of examining table (400), both ends of two-way lead screw (502) all threaded connection has movable sleeve (503), two sets of the downside of movable sleeve (503) is all fixedly connected with second connecting block (504), two sets of the lower extreme of second connecting block (504) is all fixedly connected with U-shaped pole (505), two sets of the upper end of U-shaped pole (505) is all fixedly connected with fixed plate (506), two sets of both sides that fixed plate (506) are relative are all fixedly connected with limiting plate (507).

3. The hardness testing tool according to claim 2, wherein: the length of the U-shaped rod (505) is larger than the diameter of the detection table (400).

4. The hardness testing tool according to claim 2, wherein: one end of the bidirectional screw rod (502) is fixedly connected with a rotating handle (600).

5. The hardness testing tool according to claim 2, wherein: irregular protrusions are arranged on two opposite sides of the two groups of limiting plates (507).

6. The hardness testing tool according to claim 2, wherein: the length of the movable sleeve (503) is matched with the width of the groove (501).