CN221148296U

CN221148296U - Moving contact assembly, friction mechanism and steel wool wear-resistant detector

Info

Publication number: CN221148296U
Application number: CN202323212553.7U
Authority: CN
Inventors: 申奇; 徐正利; 王超群; 李同洋; 赵威; 曾浪
Original assignee: Wenzhou Taiyu New Material Technology Co ltd
Current assignee: Wenzhou Taiyu New Material Technology Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-06-14
Anticipated expiration: 2033-11-27

Abstract

The application provides a moving contact assembly, a friction mechanism and a steel wool wear-resistant detector, wherein the moving contact assembly is fixedly connected to an extrusion rod of the steel wool wear-resistant detector, and the moving contact assembly comprises: the detection head is provided with a fixedly connected end and a friction end which are oppositely arranged, the fixedly connected end is configured to be detachably connected with the end part of the extrusion rod, the friction end is used for arranging steel wool, and the peripheral wall of the detection head is provided with an annular groove; and the fastener is arranged in the annular groove and is used for fixing the steel wool on the detection head. The movable contact assembly can ensure that the steel wool and the detection head are firmly connected and are not easy to generate relative displacement, so that the steel wool wear-resistant detector can be suitable for parts with smaller parts or parts with bulges on the surfaces, the applicability of the steel wool wear-resistant detector is improved, and the detection accuracy is improved.

Description

Moving contact assembly, friction mechanism and steel wool wear-resistant detector

Technical Field

The application relates to the technical field of detection instruments, in particular to a moving contact assembly, a friction mechanism and a steel wool wear-resistant detector.

Background

When the existing steel wool abrasion-resistant detector detects, the steel wool is directly compressed between the detection head and the part to be detected, when the part to be detected is smaller or the part surface is provided with a bulge, the steel wool is easy to hook with the edge of the part or the bulge on the surface of the part, so that relative displacement is easy to occur between the steel wool and the detection head, after the detection head reciprocates for a plurality of times, the steel wool is easy to deviate from the lower part of the detection head, and the detection result is inaccurate.

Disclosure of utility model

The embodiment of the application provides a moving contact assembly, a friction mechanism and a steel wool wear-resistant detector, which can solve the technical problem that the detection result is inaccurate when the traditional steel wool wear-resistant detector detects a piece to be detected with a small size or a bulge on the surface.

In a first aspect, an embodiment of the present application provides a moving contact assembly fixedly connected to an extrusion rod of a steel wool wear-resistant detector, the moving contact assembly including:

the detection head is provided with a fixedly connected end and a friction end which are oppositely arranged, the fixedly connected end is configured to be detachably connected with the end part of the extrusion rod, the friction end is used for arranging steel wool, and the peripheral wall of the detection head is provided with an annular groove;

and the fastener is arranged in the annular groove and is used for fixing the steel wool on the detection head.

In some embodiments, the annular groove is disposed on an outer peripheral wall of the fixed connection end, and the fastener is made of an elastic material and forms an interference fit with the annular groove in an axial direction of the fixed connection end.

In some embodiments, the device further comprises a fixing ring and a squeezing ring, wherein the fixing ring and the squeezing ring are sleeved on the fixed end,

The fixed ring is fixedly connected with the peripheral wall of the fixed connection end, the extrusion ring comprises a rotating part and an extrusion part which are oppositely arranged, the rotating part is movably connected with the peripheral wall of the fixed connection end and used for driving the extrusion part to move along the axial direction of the fixed connection end, and the extrusion part is used for forming interference fit with the fastener.

In some embodiments, the fixed end is provided with an axial slot, and the fixed end is fixedly connected with the end part of the extrusion rod through the axial slot.

In some embodiments, the outer peripheral wall of the friction end is further provided with fixing pieces, and the fixing pieces are uniformly distributed along the circumferential direction of the friction end.

In some embodiments, the friction end has an outer diameter that is smaller than an outer diameter of the stationary end. In a second aspect, the application provides a friction mechanism comprising the movable contact assembly, a mounting arm, a fixed rod, a lifting arm, an extrusion rod and a positioning piece, wherein,

One end of the mounting arm is configured to be fixedly connected with a reciprocating mechanism of the steel wool wear-resistant detector;

The fixed rod is fixedly arranged at the other end of the mounting arm, and a lifting groove is formed in the fixed rod along the length direction of the fixed rod;

One end of the lifting arm connected with the fixed rod is provided with a mounting hole matched with the lifting groove, and the other end of the lifting arm is provided with an adjusting hole along a direction parallel to the length of the fixed rod;

The positioning piece passes through the mounting hole and the lifting groove to adjust and fix the position of the lifting arm in the direction of the lifting groove;

The extrusion rod is arranged in the adjusting hole in a penetrating mode.

In some embodiments, a guide shaft and weight are also included, wherein,

The guide shaft is fixedly arranged on the extrusion rod;

The weight is arranged on the guide shaft.

In a third aspect, the application provides a steel wool wear-resistant detector, comprising the friction mechanism, a mounting table, a machine body and a fixing assembly, wherein,

The mounting table is horizontally arranged, and the machine body is fixedly arranged on the mounting table;

The fixing component is arranged on the mounting table and used for fixing the to-be-detected piece on the mounting table;

The machine body is provided with a reciprocating mechanism, and the friction mechanism is connected with the reciprocating mechanism so as to rub the piece to be measured under the drive of the reciprocating mechanism.

In some embodiments, the securing assembly includes a plurality of platens and swage bolts, wherein,

Every on the clamp plate all its along length direction be provided with the adjustment tank, be provided with corresponding fixed orifices on the mount table, every press the material bolt passes the adjustment tank sets up in the fixed orifices.

The embodiment of the application has the beneficial effects that:

In the embodiment of the application, the fastening piece is arranged on the detection head, so that the steel wool and the detection head are firmly connected and are not easy to generate relative displacement, the steel wool abrasion-resistant detection machine can be suitable for parts with smaller parts or parts with raised parts to be detected on the surfaces, the applicability of the steel wool abrasion-resistant detection machine is improved, the detection accuracy is improved, and the technical problems that the steel wool abrasion-resistant detection machine is not suitable for parts with smaller sizes, raised parts to be detected are arranged on the surfaces, and the detection is inaccurate are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a moving contact assembly provided by an embodiment of the present application applied to a steel wool abrasion-resistant detector;

FIG. 2 is a cross-sectional view of a portion of the structure of FIG. 1;

Fig. 3 is an enlarged view at a in fig. 2.

In the figure:

1-mount, 11-fixed hole, 12-collecting hole, 2-organism, 3-fixed subassembly, 31-clamp plate, 32-swage bolt, 4-box, 41-gyro wheel, 42-handle, 5-friction mechanism, 51-mount arm, 52-dead lever, 521-lift groove, 53-lift arm, 531-regulation hole, 54-setting element, 55-extrusion pole, 56-guiding axle, 57-weight, 58-detection head, 581-setting element, 582-annular groove, 583-axial groove, 591-fastener, 592-solid fixed ring, 593-extrusion ring.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

At present, a steel wool detector is a common wear resistance detection mechanism, when the wear resistance detection mechanism detects, a piece to be detected is fixed on a detection platform by a clamp, then steel wool is placed between a detection head and the piece to be detected, the detection head is pressed down by a weight to tightly press the steel wool on the piece to be detected, then the detection head to be detected moves back and forth by a reciprocating mechanism, so that the steel wool can be driven to move back and forth on the piece to be detected, the wear resistance of the piece to be detected is convenient to detect, but when the piece to be detected is small or the surface of the piece to be detected is raised, the steel wool is easy to hook with the edge of the piece or with the protrusion on the surface of the piece, so that relative displacement is easy to occur between the steel wool and the detection head, after the detection head reciprocates for many times, the steel wool is easy to deviate from the lower part of the detection head, and the detection is inaccurate.

The embodiment of the application provides a moving contact assembly, referring to fig. 1-3, fig. 1 is a schematic structural diagram of the moving contact assembly applied to a steel wool wear-resistant detector; FIG. 2 is a cross-sectional view of a portion of the structure of FIG. 1; fig. 3 is an enlarged view at a in fig. 2. The moving contact assembly is fixedly connected to an extrusion rod 55 of a steel wool abrasion-resistant detector.

The moving contact assembly includes: a detection head 58 and a fastener 591 provided on the detection head 58. The detecting head 58 has a fixed end (upper end in fig. 3) and a friction end (lower end in fig. 3) disposed opposite to each other, the fixed end is configured to be detachably connected to an end of the pressing rod 55, the friction end is used for disposing steel wool, and an annular groove 582 is disposed on an outer peripheral wall of the detecting head.

In one embodiment, the fixed end is removably coupled to the end of the compression rod 55 by a threaded connection. However, the present application is not limited thereto, and the fixed end and the end of the extrusion rod 55 may be detachably connected by a snap-in or a buckle.

Fasteners 591 are disposed in the annular recess 582 and serve to secure the steel wool to the detection head 58.

In some embodiments, the annular groove 582 is provided on the peripheral wall of the stationary end of the detection head 58, the fastener 591 is of an elastic material, and the fastener 591 forms an interference fit with the annular groove 582 in the axial direction of the stationary end such that the fastener 591 does not move within the annular groove 582. It will be appreciated that the fastener 591 is provided as an elastic material, which may facilitate the fixing or removal of steel wool.

In some embodiments, the moving contact assembly further includes a stationary ring 592 and a compression ring 593, both of which are sleeved on the stationary end of the detection head 58.

Wherein the fixing ring 592 is fixedly connected with the outer peripheral wall of the stationary end of the detection head 58.

The extrusion ring 593 comprises a rotating part and an extrusion part which are oppositely arranged, wherein the rotating part is movably connected with the outer peripheral wall of the fixedly connected end of the detection head 58 and is used for driving the extrusion part to move along the axial direction of the fixedly connected end of the detection head 58, and the extrusion part is used for forming interference fit with the fastener 591. Here, the function of the compression ring 593 is to prevent the fastener 591 from slipping and even falling off from the annular groove 582, thereby further enhancing the connection firmness of the steel wool and the detection head.

It will be appreciated that in order to secure the fastener 591, a compression ring 593 is further provided to compress the fastener 591.

In a specific embodiment, the rotating portion and the outer peripheral wall of the fixed end of the detecting head 58 may be movably connected by a threaded fit. For example, an external thread is provided on the outer side wall of the fixed end of the detection head 58, and an internal thread matching with the external thread is provided on the rotating portion of the extrusion ring 593, so that the movable connection of the rotating portion to the outer peripheral wall of the fixed end of the detection head 58 can be realized.

Preferably, the extruding ring 593 may include a first horizontal portion and a vertical portion, where the first horizontal portion is a circular ring structure, and is sleeved on the outer wall of the fixed end of the detecting head 58, and an inner thread is disposed on the inner wall of the circular ring structure; the vertical portion is the drum structure, and the outer lane of the upper end of vertical portion and first horizontal portion ring structure is fixed to be set up, and the lower extreme of vertical portion is close to one side of fastener 591 and is provided with the contact surface that forms interference fit with fastener 591.

In some embodiments, referring to fig. 3, an axial slot 583 is provided on the stationary end of the detection head 58, and the stationary end is fixedly connected to the lower end of the extrusion rod 55 through the axial slot 583. For example, the fixing end and the pressing rod may be screwed by providing an internal thread inside the axial groove 583 and providing a corresponding external thread on the outer wall of the lower end portion of the pressing rod 55.

In some embodiments, referring to fig. 3, a fixing member 581 is further disposed on an outer peripheral wall of the friction end of the detection head 58, and the fixing member 581 includes a plurality of protrusion-like structures uniformly distributed along a circumferential direction of the friction end. It will be appreciated that the shape of the raised structures may be regular or irregular, such as cones, pyramids, regular tetrahedrons, and the like, without limitation. By providing the bulge-like structure, the bulge-like structure can increase friction force when the steel wool wraps the friction end peripheral wall of the detection head 58, thereby fixing the steel wool.

In some embodiments, referring to FIG. 3, the outer diameter of the friction end of the detection head 58 is smaller than the outer diameter of the stationary end thereof.

It can be appreciated that the arrangement can be used to more easily arrange the steel wool, so as to facilitate the detection of the to-be-detected member with smaller size.

When the steel wool wear-resistant detector is used, the lower end of the detection head 58 can be wrapped with the steel wool in the axial direction, the upper end of the axial wrapping part passes through the annular groove 582 and the fastening piece 591, then the steel wool is fixed through the cooperation of the fastening piece 591 and the annular groove 582, then the extrusion ring 593 is rotated to enable the extrusion part of the extrusion ring 593 to be matched with the outer side of the fastening piece 591, the fastening piece 591 is tightly pressed, the fixing of the position of the fastening piece 591 is not easy to shake, and the firmness of connection between the steel wool and the detection head 58 is further enhanced. So when detecting the short and surface salient piece that awaits measuring of length, when steel wool quilt sample edge and salient point collude, steel wool and detection head 58 firm in connection, be difficult for taking place relative displacement to make the wear-resisting detector of steel wool can be applicable to the part less or the part surface has bellied piece that awaits measuring, promote the suitability of wear-resisting detector of steel wool, and help improving the degree of accuracy that detects.

In a second aspect, an embodiment of the present application provides a friction mechanism 5, see fig. 1 and 2.

The friction mechanism 5 includes the moving contact assembly according to the first aspect described above, and further includes a mounting arm 51, a fixed lever 52, a lifting arm 53, a pressing lever 55, and a positioning member 54.

Wherein one end of the mounting arm 51 is configured to be fixedly connected with a reciprocating mechanism of the steel wool abrasion-resistant detector.

The fixing lever 52 is fixedly provided at the other end of the mounting arm 51, and a lifting groove 521 is provided in the fixing lever 52 along the length direction thereof.

The lifting arm 53 is provided with a mounting hole matched with the lifting groove 521 at one end for connecting with the fixing rod 52, and an adjusting hole 531 is provided at the other end of the lifting arm 53 in a direction parallel to the length of the fixing rod 52.

The positioning member 54 passes through the mounting hole and the elevation groove 521 to adjust and fix the position of the elevation arm 53 in the direction of the elevation groove 521. The extrusion rod 55 is inserted into the adjusting hole 531 of the lifting arm 53.

It will be appreciated that the positioning member 54 may be a positioning bolt, and when the height of the lifting arm needs to be adjusted, the nut of the positioning bolt is loosened, and the nut is tightened after the height is adjusted.

In some embodiments, referring to fig. 2, the friction mechanism 5 further includes a guide shaft 56 and a weight 57.

Wherein, the guide shaft 56 is fixedly arranged at the upper end of the extrusion rod 55, and the weight 57 is arranged on the guide shaft 56.

It will be appreciated that the guide shaft 56 and the upper end of the extrusion rod 55 may be coaxially and fixedly arranged, the weight 57 may be sleeved on the guide shaft 56, the weight 57 may include a plurality of weights, and the number of weights may be increased or decreased according to the required weight.

In a third aspect, referring to fig. 1 and 2, an embodiment of the present application provides a steel wool wear-resistant detector.

The steel wool wear-resistant detector comprises the friction mechanism 5 of the second aspect, and further comprises a mounting table 1, a machine body 2 and a fixing assembly 3. Wherein, mount table 1 is the level setting, and organism 2 fixed setting is on mount table 1.

The fixed component 3 is arranged on the mounting table 1 and is used for fixing the piece to be tested on the mounting table 1, so that the wear resistance test can be conveniently carried out.

The machine body 2 is provided with a reciprocating mechanism (not shown), and the friction mechanism 5 is connected with the reciprocating mechanism so as to rub the workpiece to be measured under the drive of the reciprocating mechanism.

It will be appreciated that the reciprocating mechanism may be a cylinder, piston, crank linkage, rack and pinion mechanism, or the like.

It will be appreciated that the reciprocating mechanism may be disposed inside the machine body 2, the machine body 2 is provided with an opening through which the mounting arm 51 passes, the mounting arm 51 is generally disposed parallel to the mounting table, one end of the mounting arm 51 enters the opening and is fixedly connected with the reciprocating mechanism inside the machine body 2, and the other end is fixedly connected with the fixing rod.

In some embodiments, the securing assembly 3 includes a plurality of press plates 31 and press bolts 32. Wherein, each pressing plate 31 is provided with a corresponding fixing hole 11 along the length direction thereof on the adjusting groove mounting table 1, and each pressing bolt 32 passes through the adjusting groove on one pressing plate 31 and is arranged in one fixing hole 11.

It will be appreciated that the fixed assembly is disposed about the periphery of the forward projection of the region of reciprocation of the friction mechanism 5 on the mounting table 1.

In some embodiments, referring to fig. 2, the steel wool wear-resistant detection machine further includes a debris collection assembly, where the debris collection assembly includes a box 4, a handle 42 and a plurality of rollers 41, the box 4 is disposed directly under the mounting table 1 along a left-right direction, the handle 42 is disposed on the box 4 at a left side near an intermediate position, and the plurality of rollers 41 are disposed at a bottom of the box 4, so that the box 4 can slide relative to the mounting table 1. It will be appreciated that the number of rollers may be 4, with 4 rollers being disposed near the bottom four corners of the case 4, respectively. Of course, in other embodiments, a sliding rail or the like may be disposed between the case 4 and the mounting table 1 to move the case 4 relative to the mounting table.

In some embodiments, the steel wool wear-resistant detector further comprises a collecting hole 12, wherein the collecting hole 12 is arranged on the mounting table 1 at a position close to the machine body 2 and is communicated with the opening of the box body 4.

In some embodiments, the bottom of the cassette 4 is inclined to one side so that debris entering the cassette is collected to one side of the incline.

It will be appreciated that when friction testing is performed, the steel wool will generate debris during the friction process, and after detection, the debris can be swept into the box body 4 through the collecting hole 12 by using the brush, so that the later concentrated cleaning is facilitated. In addition, the bottom of the box body 4 is inclined to one side, and the scraps swept into the box body 4 through the collecting holes 12 can slide to the front side of the box body 4, so that the scraps are prevented from being accumulated under the collecting holes 12.

The foregoing has outlined rather broadly the more detailed description of embodiments of the application, wherein the principles and embodiments of the application are explained in detail using specific examples, the above examples being provided solely to facilitate the understanding of the method and core concepts of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.

Claims

1. The utility model provides a moving contact subassembly, its characterized in that, fixed connection is in the extrusion stem of a steel wool wear-resisting detection machine, moving contact subassembly includes:

2. The movable contact assembly according to claim 1, wherein the annular groove is formed in an outer peripheral wall of the fixed connection end, and the fastener is made of an elastic material and forms an interference fit with the annular groove in an axial direction of the fixed connection end.

3. The movable contact assembly according to claim 2, further comprising a fixing ring and a pressing ring, both of which are sleeved on the fixed connection end, wherein,

4. A moving contact assembly according to any one of claims 1 to 3, wherein the fixed connection end is provided with an axial slot, and the fixed connection end is fixedly connected with the end of the extrusion rod through the axial slot.

5. A moving contact assembly according to any one of claims 1 to 3, wherein the outer peripheral wall of the friction end is provided with fixing members which are uniformly distributed along the circumferential direction of the friction end.

6. A moving contact assembly according to any one of claims 1 to 3, wherein the outer diameter of the friction end is smaller than the outer diameter of the stationary end.

7. A friction mechanism, characterized by comprising the movable contact assembly according to any one of claims 1-6, further comprising a mounting arm, a fixing rod, a lifting arm, a pressing rod and a positioning member, wherein,

The extrusion rod is arranged in the adjusting hole in a penetrating mode.

8. The friction mechanism of claim 7, further comprising a guide shaft and a weight, wherein,

The guide shaft is fixedly arranged on the extrusion rod;

The weight is arranged on the guide shaft.

9. A steel wool wear-resistant detector is characterized by comprising a friction mechanism as claimed in claim 7 or 8, a mounting table, a machine body and a fixing assembly, wherein,

10. A steel wool wear detector according to claim 9, wherein the fixing assembly comprises a plurality of press plates and press bolts, wherein,

Each pressing plate is provided with an adjusting groove along the length direction of the pressing plate, each mounting table is provided with a corresponding fixing hole, and each pressing bolt penetrates through the adjusting groove and is arranged in the fixing hole.