CN213985030U

CN213985030U - Crankshaft roughness measurement auxiliary positioning device

Info

Publication number: CN213985030U
Application number: CN202022568765.9U
Authority: CN
Inventors: 胡亚刚; 张超; 胡晓阳; 王冠
Original assignee: Chengdu Shigong Measurement And Control Technology Co ltd
Current assignee: Chengdu Shigong Measurement And Control Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-17
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a crankshaft roughness measurement auxiliary positioning device, comprising a base plate, the end face locating pin, locating plate A, the bearing, the screw, the axle, locating plate B, locating plate C and the end face positioning seat of setting on the bottom plate, the auxiliary stay, supporting seat A, the bearing frame, the pre-positioning piece, supporting seat B, the end face locating pin is fixed on the end face positioning seat, locating plate A passes through the mounting screw on supporting seat A, the bearing dress is on the bearing frame, the axle passes through the bearing rotatable to be fixed on the bearing frame, locating plate B fixed mounting is on locating plate C, locating plate C fixed mounting is on supporting seat B. The utility model discloses according to the difference of the diameter size of work piece quilt survey position, the roughness that just can detect different positions with a roughness measurement device is adjusted in control supporting seat A, supporting seat B's height. When the positioning seat is used, the positioning seat on the roughness measuring device is placed in the corresponding positioning groove, and the corresponding surface hole to be measured can be directly positioned.

Description

Crankshaft roughness measurement auxiliary positioning device

Technical Field

The utility model relates to a crankshaft roughness measurement auxiliary positioning device belongs to roughness measurement technical field.

Background

Surface quality characteristics are one of the most important characteristics of machined parts, and therefore surface roughness inspection is often performed on finished parts. In the prior art, the roughness of the crankshaft is measured by adopting various brands of roughness meters (contact pin method). Because the special structure of bent axle, mostly be the multistage excircle like main journal, connecting rod neck etc. and probably have multiple diameter, if directly measure with the roughness meter, need install the roughness meter on the support that can height-adjusting, adjust the height according to the size of being surveyed the position, the operation is inconvenient and detect and take time more.

In order to solve the technical problems, a new technical scheme is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bent axle roughness measurement auxiliary positioning device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crankshaft roughness measurement auxiliary positioning device, comprising a base plate, the end face locating pin, locating plate A, a bearing, a screw, an axle, locating plate B, locating plate C and the end face positioning seat of setting on the bottom plate, the auxiliary stay, supporting seat A, the bearing frame, the pre-positioning piece, supporting seat B, the end face locating pin is fixed on the end face positioning seat, locating plate A passes through the mounting screw on supporting seat A, the bearing dress is on the bearing frame, the axle passes through the bearing rotatable to be fixed on the bearing frame, locating plate B fixed mounting is on locating plate C, locating plate C fixed mounting is on supporting seat B.

Preferably, the crankshaft roughness measurement auxiliary positioning device further comprises support legs, the number of the support legs is more than 4, and the support legs with the number of 4 are uniformly distributed on the lower surface of the bottom plate and used for supporting the bottom plate.

Preferably, the positioning plate B is mounted on the positioning plate C by screws.

Preferably, the positioning plate C is mounted on the support base B by screws.

Compared with the prior art, the beneficial effects of the utility model are that: the heights of the supporting seat A and the supporting seat B are controlled and adjusted according to the difference of the diameters of the positions of the workpieces to be detected, and then the roughness of different positions can be detected by using one roughness measuring device. When the positioning seat is used, the positioning seat on the roughness measuring device is placed in the corresponding positioning groove, and the corresponding surface hole to be measured can be directly positioned. After the workpiece is placed into the positioning groove, the measuring pin of the roughness measuring device directly contacts the workpiece, the operation is simple and fast, and the efficiency of manually detecting the roughness is greatly improved.

Drawings

Fig. 1 is a schematic structural view of an auxiliary positioning device for crankshaft roughness measurement provided by the present invention;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a perspective view of an auxiliary positioning device;

FIG. 4 is a schematic perspective view of an auxiliary positioning device for positioning a crankshaft;

fig. 5 is a schematic structural view of a position type shaft roughness measuring apparatus.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The object of the present invention is to solve the problems mentioned in the background art only, and the disclosure provides a principle which is only to solve the technical problems mentioned in the background art, therefore, a person skilled in the art should know that the technical solution of the present invention is disclosed to such an extent that the problems mentioned in the background art can be completely implemented. Therefore, if a person skilled in the art encounters new technical problems while implementing the present technical solution, the person skilled in the art should understand that the directional problem of secondary or tertiary development can be made on the basis of the present invention, and should not understand that the present invention is not fully disclosed or can not be implemented by newly proposing a problem, which all belong to the obvious ways known to the person skilled in the art. If the present invention describes the prior art section in the description of the specific embodiments, the prior art section is referred to, and the prior art section is not specifically described, it can be naturally understood as the prior art by the person skilled in the art.

And, this application needs to explain in advance that the utility model discloses on solving and realizing this basis and providing more a selection mode for the user, other technological effects that reach are only to belong to the benevolence person and see the benevolence, and the wisdom is seen to the wisdom notion, for example, if think that the technological effect that this application part described can not realize or reach, can understand that this can not realize or reach exaggerates beneficial effect and belongs to the mistake of writing part, can ignore or delete the processing, simultaneously, because this kind of condition belongs to the mistake of writing in advance has been explained here, when deleting, should not understand as the modification and go beyond the scope that the original description recorded.

Referring to the attached drawings of the specification, the utility model provides a technical scheme: a crankshaft roughness measurement auxiliary positioning device is characterized in that supporting legs 1 are installed on a fixed bottom plate 2 through screws, are usually made of plastics and are used for preventing the auxiliary positioning device from scratching the surface when being placed on a marble platform; the bottom plate 2 is used for mounting the end face positioning seat 3, the auxiliary support 5, the supporting seat A7, the bearing seat 10, the pre-positioning block 11 and the supporting seat B14, and meanwhile, the support legs 1 are mounted below the bottom plate 2; the end face positioning seat 3 is arranged on the bottom plate 2 and used for installing an end face positioning pin 4; the end face positioning pin 4 is fixed on the end face positioning seat 3 and used for limiting the position of the crankshaft in the positioning device; the auxiliary support 5 is fixed on the bottom plate 2 and used for placing a connecting rod neck of the crankshaft during measurement, so that the connecting rod neck and the main journal are positioned in the same horizontal plane direction; the positioning plate A6 is mounted on the supporting seat A7 through screws, and a plurality of positioning grooves are correspondingly processed according to the position of the main journal and used for measuring the roughness of the main journal; meanwhile, the utility model discloses based on there is not any one product only advantage, the condition of shortcoming not, the utility model discloses only use to specific environment in the background art, for example the scene that the background art mentioned, consider the factor of inconvenient use under some circumstances like the user, then do not propose to purchase this application under that circumstances and use, this product only aims at and proposes the user that need mention the scene in the background art and can accept and ignore other negative factors simultaneously and use, all belong to the implementation mode that ordinary skilled person in the art can know.

The supporting seat A7 is fixed on the bottom plate 2, and a positioning plate A6 is arranged above the supporting seat A7; the height is determined according to the size of the main journal to meet the measurement. The bearing 8 is arranged on the bearing seat 10 to form a V-shaped main journal for positioning a workpiece, and rolling friction is formed between the bearing and the main journal, so that the abrasion of the main journal caused by the rotation of a crankshaft in the measuring process can be effectively reduced; the shaft 9 is arranged between the bearing 8 and the bearing seat 10 and fixes the bearing in the bearing seat; the bearing seat 10 is fixedly arranged on the bottom plate 2 through a screw and is used for mounting a bearing 8 and positioning a main journal of a crankshaft; the pre-positioning block 11 is fixed on the bottom plate 2 and used for pre-positioning a workpiece when the crankshaft is placed, so that the workpiece can be conveniently placed; the positioning plate B12 is mounted on the positioning plate C13 through screws, and positioning grooves are correspondingly machined according to the positions of other excircles and used for measuring the roughness of the other excircles; the positioning plate C13 is mounted on the supporting seat B14 through screws, and a plurality of positioning grooves are correspondingly processed according to the position of the connecting rod neck and used for measuring the roughness of the connecting rod neck; the supporting seat B14 is fixed on the bottom plate 2, and a positioning plate C13 is arranged above the supporting seat B14; the height is determined according to the size of the connecting rod neck to meet the measurement, and the technical solution of the present invention is only an embodiment of the ideal state, such as horizontal or vertical or other, and in the existing industrial production process, some errors are inevitably generated, which are inevitable in the industrial production, and also can be expected and known by those skilled in the art, and can be understood as the prior art, and in the description of the present invention, the description language or the scheme adopted is only a best embodiment for the drawings, and those skilled in the art can flexibly select a specific embodiment based on the technical solution of the present invention, and all of the embodiments can be expanded by those skilled in the art. And, the utility model discloses in some realization the mode preferred of the scheme of the utility model discloses although can realize a bit the utility model discloses technical scheme, nevertheless not the best, probably there is new problem even, this new problem, for example anyone according to the utility model provides a new technical problem that does not mention in this application background art, can all understand as can make the directionality problem of continuation research and development on the basis of the utility model discloses on stating that this directionality problem is not the technical problem that the utility model aims to solve's basis, the utility model discloses technical scheme should understand that ordinary technical personnel in this field can clearly implement the technical scheme of the utility model.

When a workpiece is measured, the crankshaft is placed along the pre-positioning block and is positioned by the bearing 8 and the end face positioning pin 4. Then, the roughness measuring device 15 is placed in a positioning groove corresponding to the auxiliary positioning device (the position of the positioning groove is manufactured according to the detected position of the crankshaft, and a plurality of positioning grooves are arranged according to the detection parameters, namely, one measuring device can be used for detecting a plurality of detection parameters at different positions), and the roughness of the corresponding position can be measured. According to the diameter of different work pieces measured position, length, the change that requires of measurement, only need make corresponding auxiliary positioning device, can satisfy the measurement requirement of the work piece of different models, simultaneously the utility model discloses on the basis of scheme, the ordinary technical staff accessible in the field is in order to accord with logic analysis and/or the reasoning makes up the utility model discloses some not enough on the details, make the utility model discloses technical scheme is perfect and optimization more. And, if the problem not addressed by the present invention is addressed, any means known to those skilled in the art can be used to solve the problem, all of which are embodiments known to those skilled in the art. For example, the present invention is also directed to protecting the principle rather than specific data, and also considering that the size, data, etc. do not belong to the object protected by the utility model patent, and therefore are not elaborated, and those skilled in the art can understand any implementation mode known to those skilled in the art by combining with the prior art on the basis of the present invention, the present invention may have the defect mentioned in the background, and this defect may be the defect that the utility model has not been reached by the material of the people, but in the process of technical development, it is difficult to develop the technology without any defect, the solution of this defect can be understood as the prior art, and the utility model discloses a crowd only needs the environmental use mentioned in the background and can ignore this defect and continue to select the user to use. Based on this, what is claimed in the present application is only a part of the principle of the solution corresponding to the problem of the background art, and other parts, for example, how to implement the technical solution of the present application more optimally on the basis of the principle of the present application, obviously, the technical solution of the present application with clear description is not completely implemented through one development and one patent application, so the technical solution of the present application is only limited to the technical problem to be solved in the corresponding background art, and other parts can be completed in another development and patent application, or be continuously improved on the technology of the solution of the present application by other technical personnel in the art, and apply a patent to achieve the optimal using effect, all of which belong to the known ways in the art.

The design to be explained is: the control circuit involved in the present design is a conventional technique for controlling the operation of each component and the corresponding control program. The drawings are only for purposes of illustrating the principles of the invention that will be readily understood by those skilled in the art. Because of the limitation of the page size of the patent application document, in order to clearly show the principle, the proportional size between each component in the drawings may be inconsistent with the actual product, and it can be understood by those skilled in the art that, for example, the structural principle of a certain part in the drawings is highlighted, the part is intentionally drawn to be larger, and the other part appears to be smaller, so that the situation can be understood, and as can be understood by those skilled in the art, on the basis of the principle of the present invention, it is naturally possible to make each component smaller, more delicate and more practical on the basis of the present invention by using an industrial more reasonable design, and in the process of application, if a part of the description in the claims, the description and the drawings of the specification is deleted, the part of the description which is unclear is a part of the technical personnel in the field to understand and implement, that is, it is not understood in which scope the unclear description portion is, therefore, it is not reasonable to consider that the modifications beyond the scope described in the original specification and claims are obvious if it is not known which scope, and therefore, it should be understood that the unclear description portion is deleted in the present application in order to overcome the existing disadvantages and the unclear description portion is deleted without exceeding the scope described in the original specification and claims.

Moreover, the present invention can be implemented in any extended implementation known to those of ordinary skill in the art, all of which are within the scope of those of ordinary skill in the art, provided that the implementation of the present invention is in compliance with national laws and regulations and related safety precautions.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; and as will be appreciated by those skilled in the art, the benefits of the present invention are only better than those of the current embodiments of the prior art under certain circumstances, rather than being directed to the best use in the industry.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crankshaft roughness measurement auxiliary positioning device which characterized in that: the end face positioning device comprises a base plate, an end face positioning pin, a positioning plate A, a bearing, a screw, a shaft, a positioning plate B, a positioning plate C, an end face positioning seat arranged on the base plate, an auxiliary support, a supporting seat A, a bearing seat, a pre-positioning block and a supporting seat B, wherein the end face positioning pin is fixed on the end face positioning seat, the positioning plate A is installed on the supporting seat A through the screw, the bearing is installed on the bearing seat, the shaft is rotatably fixed on the bearing seat through the bearing, the positioning plate B is fixedly installed on the positioning plate C, and the positioning plate C is fixedly installed on the supporting seat B.

2. The crankshaft roughness measurement auxiliary positioning device of claim 1, wherein: this bent axle roughness measurement auxiliary positioning device still includes the stabilizer blade, and the quantity of stabilizer blade is more than 4, and the stabilizer blade evenly distributed that the quantity is 4 is used for supporting the bottom plate at the lower surface of bottom plate.

3. The crankshaft roughness measurement auxiliary positioning device of claim 1, wherein: the positioning plate B is arranged on the positioning plate C through a screw.

4. The crankshaft roughness measurement auxiliary positioning device of claim 3, wherein: and the positioning plate C is arranged on the supporting seat B through a screw.