CN220525558U - Hardness testing device - Google Patents

Abstract

The utility model belongs to the technical field of hardness testing devices, and particularly relates to a hardness testing device which comprises a bottom plate, a clamping assembly and a liftable hardness meter, wherein the clamping assembly is arranged above the bottom plate; according to the utility model, the probe can be quickly replaced through the arranged mounting rotating plate, and then the angle of the probe can be fixed by using the limiting threaded rod, so that the technical problem that the detection efficiency is reduced due to the fact that the hardness detection of a workpiece is influenced because the probe is difficult to replace in time in the prior art is solved.

Description

Hardness testing device

Technical Field

The utility model belongs to the technical field of hardness testing devices, and particularly relates to a hardness testing device.

Background

Hardness refers to the capability of a workpiece material to resist a hard object being pressed into the surface of the workpiece material, and is one of important performance indexes of the workpiece material, generally, the higher the hardness is, the better the wear resistance is and the longer the service life is, so hardness testing is a detection link of the workpiece which is important before the workpiece is put into use, hardness detection on the workpiece is generally completed by a hardness tester arranged on a workbench, the hardness detection is generally carried out by pressing the surface of the detected workpiece under the condition of applying a certain load by a diamond press head or a steel ball, and the hardness value is calculated by measuring the depth of a groove generated by plastic deformation of the surface of the workpiece.

The prior art is like application number CN202120495852.8, has disclosed the hardness testing arrangement of a kind of fastener, the above-mentioned technical scheme can realize the centre gripping to the work piece of different diameters; the probe can produce great wearing and tearing or damage along with long-time the use, influences the test accuracy, however it has only set up a set of probe, is difficult to in time change it after the probe appears wearing and tearing, and then influences its use, and then influences its work efficiency.

In order to solve the above problems, a hardness testing device is proposed in the present application.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a hardness testing device which has the characteristic of being convenient for quick replacement of a probe.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hardness testing arrangement, includes bottom plate, setting clamping assembly and liftable sclerometer above it, first connecting wire is installed to the bottom of sclerometer, mobilizable first conducting strip is installed to the bottom of first connecting wire, the spring is installed to the bottom of sclerometer, the connecting plate is installed to the bottom of spring, first conducting strip install in the bottom of connecting plate, the fixed plate is installed to the bottom of sclerometer, the spacing groove that is ninety degrees between four adjacent is distributed has been seted up on the fixed plate, the installation swivel plate is installed in one side rotation of fixed plate, the wiring groove that is the cross distribution has been seted up on the installation swivel plate, install two second connecting wires in the wiring groove, walk can play each spacing effect to two second connecting wires, every the second conducting strip is installed to the one end of second connecting wire, the probe is installed to the other end, install on the installation swivel plate screw thread with spacing threaded rod of spacing groove looks adaptation, the spacing probe that sets up can be to the relative rotation angle of installation swivel plate and can be kept the corresponding spacing groove of threaded rod and take place after the relative rotation of the corresponding threaded rod of screw rod is avoided taking place to make and can keep the perpendicular position limiting groove.

As a preferable hardness testing device of the utility model, the four corners of the bottom end of the bottom plate are provided with supporting legs.

Preferably, the clamping assembly comprises two clamping blocks which are driven by the screw rod to slide in opposite directions.

As a hardness testing device, preferably, the top end of the bottom plate is provided with the mounting plate, the bottom end of the mounting plate is provided with the hydraulic telescopic rod, and the bottom end of the hydraulic telescopic rod is provided with the hardness tester.

As the hardness testing device is preferable, one end of the limit threaded rod is provided with the connecting disc, the connecting disc is provided with the anti-slip protrusions, the friction force between the anti-slip protrusions and the connecting disc can be improved, and the rotation is more convenient.

As a preferable hardness testing device of the utility model, the installation rotating plate is provided with two maintenance grooves, and the maintenance grooves are arranged at the joint positions of the probe and the second connecting line.

As a hardness testing device, preferably, two mounting pieces are mounted on the mounting rotating plate, and the two mounting pieces are sleeved on the outer side of the probe.

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

1. the probe can be quickly replaced through the arranged mounting rotating plate, and then the angle of the probe can be fixed by using the limiting threaded rod, so that the technical problem that the detection efficiency is reduced due to the fact that the hardness detection of a workpiece is affected because the probe is difficult to replace in time in the prior art is solved;

2. the joint between the probe and the second connecting wire can be overhauled through the overhauling groove, so that the problem that the hardness of a workpiece is influenced due to loosening or falling of the joint is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a front view of FIG. 1 of the present utility model;

FIG. 3 is a side view of FIG. 1 of the present utility model;

FIG. 4 is a front cross-sectional view of the mounting rotor plate of the present utility model;

FIG. 5 is a schematic structural view of a fixing plate according to the present utility model;

FIG. 6 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

in the figure: 1. a bottom plate; 2. support legs; 3. a clamping assembly; 4. a mounting plate; 401. a hydraulic telescopic rod; 5. a durometer; 501. a first connecting line; 502. a first conductive sheet; 503. a spring; 504. a connecting plate; 6. a fixing plate; 601. a limit groove; 7. installing a rotating plate; 701. wiring grooves; 702. a second connecting line; 703. a second conductive sheet; 704. limiting the threaded rod; 705. an overhaul groove; 8. a mounting member; 801. a probe.

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.

The technical scheme in the embodiment of the application aims to solve the problems, and the overall thought is as follows:

example 1

1-6, a hardness testing device comprises a bottom plate 1, a clamping component 3 arranged above the bottom plate, and a liftable hardness tester 5, wherein a first connecting wire 501 is arranged at the bottom end of the hardness tester 5, a movable first conductive sheet 502 is arranged at the bottom end of the first connecting wire 501, a spring 503 is arranged at the bottom end of the hardness tester 5, a connecting plate 504 is arranged at the bottom end of the spring 503, the first conductive sheet 502 is arranged at the bottom end of the connecting plate 504, a fixed plate 6 is arranged at the bottom end of the hardness tester 5, four limit grooves 601 distributed by ninety degrees between adjacent parts are arranged on the fixed plate 6, a mounting rotating plate 7 is rotatably arranged at one side of the fixed plate 6, the wiring groove 701 that is the cross distribution has been seted up on the installation swivel plate 7, install two second connecting wires 702 in the wiring groove 701, the second conducting strip 703 is installed to the one end of every second connecting wire 702, the probe 801 is installed to the other end, install two spacing threaded rods 704 with spacing groove 601 looks adaptation on the installation swivel plate 7, the spring 503 that sets up can make first conducting strip 502 and second conducting strip 703 contact, make it be connected with the probe 801 electricity that contacts with it, when changing new probe 801, upwards lift connecting plate 504, make spring 503 compress, can avoid first conducting strip 502 to cause the interference to the rotation of installation swivel plate 7.

In some examples, the bottom corners of the base plate 1 are fitted with support legs 2.

In some examples, the clamping assembly 3 comprises two clamping blocks that are driven by a screw to slide towards each other.

In some examples, the top end of the base plate 1 is provided with a mounting plate 4, the bottom end of the mounting plate 4 is provided with a hydraulic telescopic rod 401, and the bottom end of the hydraulic telescopic rod 401 is provided with a hardness tester 5.

In some examples, one end of the limit threaded rod 704 is mounted with a connecting disc on which the cleat is mounted.

By adopting the technical scheme: after the abrasion precision of one probe 801 becomes low or damaged, the limit threaded rod 704 can be screwed out from the limit groove 601, then the installation rotating plate 7 is rotated, the new probe 801 is rotated to the corresponding position, then the limit threaded rod 704 is screwed in the corresponding limit groove 601, the angle of the installation rotating plate 7 is fixed, and after the rotation is completed, the first conductive sheet 502 can be connected with the corresponding second conductive sheet 703 under the action of the spring 503, so that the electrical connection of the new probe 801 is realized.

Example 2

In the specific structure of this embodiment, as shown in fig. 1 and 6, two overhaul grooves 705 are formed in the mounting rotating plate 7, the overhaul grooves 705 are disposed at the joint positions of the probe 801 and the second connecting wire 702, the probe 801 and the second connecting wire 702 can be wired by using a wiring terminal or other modes, and the joints between the probe 801 and the second connecting wire 702 can be overhauled by the overhaul grooves 705, so that looseness or falling of the joints is avoided.

In some examples, two mounting pieces 8 are mounted on the mounting rotating plate 7, the two mounting pieces 8 are sleeved on the outer side of the probe 801, the mounting pieces 8 can be two semi-arc connecting pieces which can fasten the probe 801 in the middle, and the probe 801 can be fixed by matching with the use of fastening bolts.

By adopting the technical scheme: when the connection between the probe 801 and the second connecting wire 702 is loosened to easily cause that the probe is difficult to be electrically connected with the durometer 5, the probe 801 can be conveniently replaced through the mounting piece 8 through the opened overhaul slot 705, and then the second connecting wire 702 can be connected with the replaced probe 801 through the connecting terminal.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a hardness testing arrangement, includes bottom plate (1), sets up clamping assembly (3) and liftable sclerometer (5) above that, its characterized in that: the utility model discloses a rigidity meter, including rigidity meter (5), fixed plate (6), installation swivel plate (7) are installed in the bottom of rigidity meter (5), spring (503) are installed to the bottom of first connecting wire (501), connecting plate (504) are installed to the bottom of spring (503), first conducting plate (502) install in the bottom of connecting plate (504), fixed plate (6) are installed to the bottom of rigidity meter (5), four spacing groove (601) that are ninety degrees distribution between adjacent have been seted up on fixed plate (6), install swivel plate (7) are rotated to one side of fixed plate (6), install on swivel plate (7) and offer wiring groove (701) that are cross distribution, install two second connecting wires (702) in wiring groove (701), every second connecting wire (702) are installed to one end, and probe (801) are installed to the other end, install on swivel plate (7) screw thread install two spacing threaded rods (704) of looks groove (601).

2. The hardness testing apparatus according to claim 1, wherein: support legs (2) are arranged at four corners of the bottom end of the bottom plate (1).

3. The hardness testing apparatus according to claim 1, wherein: the clamping assembly (3) comprises two clamping blocks which are driven by a screw rod and can slide in opposite directions.

4. The hardness testing apparatus according to claim 1, wherein: the hydraulic pressure telescopic link (401) is installed on the top of bottom plate (1), mounting panel (4) bottom, hydraulic pressure telescopic link (401) is installed in the bottom of mounting panel (4), sclerometer (5) is installed in the bottom of hydraulic pressure telescopic link (401).

5. The hardness testing apparatus according to claim 1, wherein: one end of the limiting threaded rod (704) is provided with a connecting disc, and the connecting disc is provided with an anti-slip protrusion.

6. The hardness testing apparatus according to claim 1, wherein: two overhaul grooves (705) are formed in the installation rotating plate (7), and the overhaul grooves (705) are formed in the joint positions of the probe (801) and the second connecting line (702).

7. The hardness testing apparatus according to claim 1, wherein: two mounting pieces (8) are mounted on the mounting rotating plate (7), and the two mounting pieces (8) are sleeved on the outer side of the probe (801).