CN218629240U

CN218629240U - Sample self-balancing device

Info

Publication number: CN218629240U
Application number: CN202222924660.1U
Authority: CN
Inventors: 代静静; 徐望荣; 许正根; 张虎龙
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-14
Anticipated expiration: 2032-11-03

Abstract

The utility model provides a sample self-balancing device, which comprises a bracket and a chassis, wherein the bracket is detachably arranged on the chassis through a support column; the bracket is sequentially provided with a sample detection port and a channel which are communicated along the thickness direction of the bracket, the specification of the channel is matched with that of the sample, and a horizontal positioning reference surface is arranged at the intersection of the channel and the sample detection port to ensure that the upper surface of the sample is horizontal; the chassis is provided with at least one self-balancing assembly, the self-balancing assembly comprises a gasket and a fixing assembly, and the upper surface of the gasket is combined with the horizontal positioning reference surface to clamp a sample; the lower surface of the gasket is provided with an arc groove; the fixing component comprises an arc bulge and a fixing rod, and the arc bulge is arranged on the chassis through the fixing rod; the arc protrusion is matched with the arc groove. The utility model has the advantages that the upper surface of the sample can be ensured to be always in a horizontal position; meanwhile, batch detection can be realized, and the time cost is reduced.

Description

Sample self-balancing device

Technical Field

The utility model relates to a sample hardness detection area, concretely relates to can make sample surface keep horizontally sample self-balancing unit.

Background

Hardness is an important parameter for evaluating the mechanical properties of metallic materials, and is usually measured by a microhardness meter for the hardness of each phase in the material or an extremely thin layer on the surface of the metal, which can be expressed by mohs hardness, vickers hardness or knoop hardness. When the hardness of a metal material is detected, the surface of a sample needs to be ground and polished and made into a bright plane, after the sample is corroded, a microstructure on the surface of the sample is exposed, and then the test and the observation are carried out under a microhardness meter. Although the existing clamp can realize the function of firmly clamping the sample, the sample can not be ensured to keep horizontal position; even though the existing clamps can ensure that the sample is kept horizontal, it is difficult to keep the sample at the same horizontal position all the time.

In view of the above, there is a need for a sample self-balancing device capable of stably clamping and maintaining a sample in a horizontal position to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sample self-balancing unit can stabilize the centre gripping and keep the sample to be in horizontal position, and concrete technical scheme is as follows:

a sample self-balancing device comprises a bracket and a chassis, wherein the bracket is detachably arranged on the chassis through a support column; the bracket is sequentially provided with a sample detection port and a channel which are communicated along the thickness direction of the bracket, the specification of the channel is matched with that of the sample, and a horizontal positioning reference surface is arranged at the intersection of the channel and the sample detection port to ensure that the upper surface of the sample is horizontal;

the chassis is provided with at least one self-balancing assembly, the self-balancing assembly comprises a gasket and a fixing assembly, and the upper surface of the gasket is combined with the horizontal positioning reference surface to clamp a sample; the lower surface of the gasket is provided with an arc groove; the fixing component comprises an arc bulge and a fixing rod, and the arc bulge is arranged on the chassis through the fixing rod; the arc protrusion is matched with the arc groove.

Preferably, the arc protrusion and the arc groove are in point contact, line contact or surface contact.

Preferably, the sample detection port is arranged coaxially with the channel.

Preferably, the fixing assembly further comprises a fixing disc, and the fixing disc is fixedly connected with the fixing rod and provides force point support for the gasket.

Preferably, the fixed disc is a circular disc.

Preferably, the lower surface of the support is provided with a jack, and the upper end of the support column is provided with an inserting part matched with the jack.

Preferably, the chassis is connected with the support column in a magnetic type manner.

Preferably, still be equipped with between dead lever and the chassis and adjust the seat, be equipped with the internal thread hole on adjusting the seat, be equipped with the external screw thread that matches with the internal thread hole on the dead lever, realize the dead lever and adjust the relative position of seat through internal thread hole and external screw thread matching and adjust.

Use the technical scheme of the utility model, the beneficial effect who has does: the sample self-balancing device provided by the utility model can firmly clamp the sample and can also ensure that the sample keeps the same horizontal position, so that the upper surface of the sample always keeps horizontal at the same position in the detection process, and the interference of the sample surface inclination to the hardness detection can be avoided, thereby causing the inaccurate measurement result; simultaneously, sample self-balancing unit can realize detecting the batch of sample, can reduce the time cost, can also reduce the variable in the hardness testing process, avoids the installation error that brings when carrying out the clamping to the sample, improves the accuracy that detects.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural diagram of a sample self-balancing device provided in a preferred embodiment of the present invention;

fig. 2 is a partial schematic view of a bracket in a sample self-balancing device according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a self-balancing assembly in a sample self-balancing device according to a preferred embodiment of the present invention;

fig. 4 is a sample force diagram of a sample self-balancing device for hardness testing of a sample according to a preferred embodiment of the present invention;

wherein, 1, support, 1.1, sample detection mouth, 1.2, passageway, 1.3, horizontal positioning reference surface, 2, chassis, 3, support column, 4, sample, 5, self-balancing subassembly, 6, gasket, 6.1, the upper surface of gasket, 6.2, the lower surface of gasket, 6.3, circular arc recess, 7, fixed subassembly, 7.1, circular arc arch, 7.2, dead lever, 7.3, fixed disk, 8, regulation seat.

Detailed Description

Embodiments of the invention will be described in detail hereinafter with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Example (b):

the embodiment provides a preferred sample self-balancing device, and referring to fig. 1, the device comprises a support 1, a chassis 2, a support column 3 and a self-balancing assembly 5, wherein the support 1 is detachably arranged on the chassis 2 through the support column 3; at least one self-balancing assembly 5 is arranged on the chassis 2, and six self-balancing assemblies 5 are preferably arranged in the embodiment.

Referring to fig. 2, the bracket 1 is sequentially provided with a sample detection port 1.1 and a channel 1.2 which are communicated with each other along the thickness direction, the specification of the channel 1.2 is matched with that of the sample 4, and a horizontal positioning reference surface 1.3 is arranged at the intersection of the channel 1.2 and the sample detection port 1.1 to ensure that the upper surface of the sample 4 is horizontal. Specifically, in order to facilitate the hardness detection of the sample 4, the sample detection port 1.1 and the channel 1.2 are coaxially arranged.

Referring to fig. 3, the self-balancing assembly 5 comprises a spacer 6 and a fixing assembly 7, the upper surface 6.1 of the spacer is combined with the horizontal positioning reference plane 1.3 for clamping the sample 4; the lower surface 6.2 of the gasket is provided with an arc groove 6.3; the fixing component 7 comprises an arc bulge 7.1, a fixing rod 7.2 and a fixing disk 7.3, and the arc bulge 7.1 is arranged on the chassis 2 through the fixing rod 7.2; the arc protrusion 7.1 is matched with the arc groove 6.3; the fixed disc 7.3 is fixedly connected with the fixed bar 7.2 to provide force-acting point support for the gasket 6.

Specifically, the arc protrusion 7.1 and the arc groove 6.3 are in point contact, line contact or surface contact; the fixed disk 7.3 is a circular disk.

Optionally, the lower surface of the bracket 1 is provided with a jack, and the upper end of the support column 3 is provided with an inserting part matched with the jack.

Optionally, the chassis 2 is magnetically connected with the supporting column 3.

Specifically, still be equipped with between dead lever 7.2 and the chassis 2 and adjust seat 8, be equipped with the internal thread hole on adjusting seat 8, be equipped with the external screw thread that matches with the internal thread hole on the dead lever 7.2, realize dead lever 7.2 and the relative position who adjusts seat 8 through internal thread hole and external screw thread matching and adjust to this adjustment horizontal location reference surface 1.3 and the interval between the gasket 6 are applicable to the hardness detection of the sample 4 of different thickness.

Referring to fig. 4, in the sample self-balancing device provided in this embodiment, when the hardness of the sample 4 is detected, the sample 4 after pretreatment is placed on the upper surface 6.1 of the spacer in the self-balancing assembly 5, the support 1 is connected with the chassis 2 through the support column 3, the relative position of the fixing rod 7.2 and the adjusting seat 8 is adjusted through the adjusting seat 8, so as to adjust the distance between the horizontal positioning reference surface 1.3 and the spacer 6, so that the upper surface of the sample 4 is in contact with the horizontal positioning reference surface 1.3 in the support 1, and the upper surface of the sample 4 is ensured to be horizontal; where the pre-treated sample 4 was matched in size to the channel 1.2.

The circular arc groove 6.3 of the gasket 6 is mutually matched with the bulge 7.1 of the circular arc structure of the fixing component 7 through point contact, line contact or surface contact, so that the horizontal clamping and the stabilization of the sample 4 are realized: when the upper surface and the lower surface of the sample 4 are not horizontal, the upper surface of the sample 4 is kept horizontal through the action of a horizontal positioning reference surface 1.3 in the bracket 1; then, the arc groove 6.3 of the gasket 6 is matched with the arc bulge 7.1 of the fixing component 7, and the fixing disc 7.3 provides force-applying point support for the gasket 6, so that the gasket 6 keeps inclining, and the horizontal arrangement of the upper surface of the sample 4 is realized; finally, the hardness of the sample 4 is detected through the sample detection port 1.1.

The sample self-balancing device provided by the embodiment can stably clamp the sample 4, and can also ensure that the sample 4 keeps the same horizontal position, so that the upper surface of the sample 4 always keeps horizontal at the same position in the detection process, and the interference of the inclination of the surface of the sample 4 on the hardness detection can be avoided; simultaneously, in the sample self-balancing unit that this embodiment provided, be equipped with a plurality of self-balancing subassemblies 5 between support 1 and the base 2, can realize carrying out batch detection to a plurality of samples 4 simultaneously, can improve detection efficiency, reduce the time cost, can also reduce the variable in the hardness testing process, the installation error of bringing when avoiding carrying out the clamping to sample 4 improves the accuracy that detects.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sample self-balancing device is characterized by comprising a support (1) and a chassis (2), wherein the support (1) is detachably arranged on the chassis (2) through a support column (3); the support (1) is sequentially provided with a sample detection port (1.1) and a channel (1.2) which are communicated with each other along the thickness direction of the support, the specification of the channel (1.2) is matched with that of a sample (4), and a horizontal positioning reference surface (1.3) is arranged at the intersection of the channel (1.2) and the sample detection port (1.1) to ensure that the upper surface of the sample (4) is horizontal;

the chassis (2) is provided with at least one self-balancing assembly (5), the self-balancing assembly (5) comprises a gasket (6) and a fixing assembly (7), and the upper surface (6.1) of the gasket is combined with the horizontal positioning reference surface (1.3) to clamp the sample (4); the lower surface (6.2) of the gasket is provided with an arc groove (6.3); the fixing component (7) comprises an arc bulge (7.1) and a fixing rod (7.2), and the arc bulge (7.1) is arranged on the chassis (2) through the fixing rod (7.2); the arc bulge (7.1) is matched with the arc groove (6.3).

2. The sample self-balancing device according to claim 1, characterized in that the circular arc protrusion (7.1) and the circular arc groove (6.3) are in point contact, line contact or surface contact.

3. Sample self-balancing device according to claim 2, characterized in that the sample detection port (1.1) is arranged coaxially with the channel (1.2).

4. The sample self-balancing device according to claim 2, wherein the fixing assembly (7) further comprises a fixing plate (7.3), and the fixing plate (7.3) is fixedly connected with the fixing rod (7.2) to provide a force point support for the gasket (6).

5. Sample self-balancing device according to claim 4, characterized in that the fixed disc (7.3) is a circular disc.

6. The sample self-balancing device according to any one of claims 1 to 5, wherein the lower surface of the support (1) is provided with a jack, and the upper end of the supporting column (3) is provided with a plugging part matched with the jack.

7. The sample self-balancing device according to any one of claims 1 to 5, characterized in that the base plate (2) and the supporting column (3) are magnetically connected.

8. The sample self-balancing device according to claim 1, wherein an adjusting seat (8) is further provided between the fixing rod (7.2) and the chassis (2), an internal threaded hole is provided on the adjusting seat (8), an external thread matched with the internal threaded hole is provided on the fixing rod (7.2), and the relative position adjustment of the fixing rod (7.2) and the adjusting seat (8) is realized through the matching of the internal threaded hole and the external thread.