CN215810632U - Tool for detecting concentricity of long shaft and sleeve part - Google Patents
Tool for detecting concentricity of long shaft and sleeve part Download PDFInfo
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- CN215810632U CN215810632U CN202120125772.3U CN202120125772U CN215810632U CN 215810632 U CN215810632 U CN 215810632U CN 202120125772 U CN202120125772 U CN 202120125772U CN 215810632 U CN215810632 U CN 215810632U
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Abstract
The utility model discloses a tool for detecting the concentricity of a long shaft and a sleeve part, and aims to provide a tool which is wide in application range and is used for detecting the concentricity of the long shaft and the sleeve part. The device comprises a strip-shaped base, two detection seats and at least one set of measuring seat, wherein the two detection seats are slidably arranged on the base and can move and adjust relative to the base; the detection seat comprises a sliding seat which is in guide fit with the base, a locking screw which is screwed on the sliding seat and is used for locking the sliding seat and the base, a support body which is fixedly connected to the upper end of the sliding seat and is provided with a V-shaped groove at the upper end, a polytetrafluoroethylene layer which is fixedly connected to the surface of the V-shaped groove, and two adjusting screws which are respectively in threaded connection with the two sides of the support body and extend downwards; the measuring seat comprises a base plate which is fixedly connected with the base through a first bolt and can move and be adjusted relative to the base, an upright post which is fixedly connected on the base plate, and a clamping seat which is fixedly connected on the upright post through a second bolt and is used for clamping the dial indicator.
Description
Technical Field
The utility model relates to the technical field of part detection devices, in particular to a tool for detecting the concentricity of long shaft and sleeve parts.
Background
The concentricity of the shaft parts is usually detected by a deflection instrument hole or a clinical clamping top on processing equipment. Whether the turning or grinding process is finished, final surface treatment is usually carried out, and a large amount of unqualified data are generated in final warehousing inspection. Through analysis, in the processing process, the detection equipment is propped against the two ends of the part, so that the center holes at the two ends of the shaft are damaged to different degrees (collision and uneven plating). Meanwhile, the length range of the shaft parts is large, and if a standard deflection instrument is purchased for use, a plurality of deflection instruments with different detection ranges need to be purchased, so that equipment is inevitably idle and wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a tool for detecting the concentricity of long shaft and sleeve parts, which has a wide detection range and is not easy to damage the parts.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
a tool for detecting the concentricity of a long shaft and a sleeve part comprises a long strip-shaped base, two detection seats which are slidably arranged on the base and can move and adjust relative to the base, and at least one set of measuring seat which is detachably connected on the base; the detection seat comprises a sliding seat which is in guide fit with the base, a locking screw which is screwed on the sliding seat and is used for locking the sliding seat and the base, a support body which is fixedly connected to the upper end of the sliding seat and is provided with a V-shaped groove at the upper end, a polytetrafluoroethylene layer which is fixedly connected to the surface of the V-shaped groove, and two adjusting screws which are respectively in threaded connection with the two sides of the support body and extend downwards; the measuring seat comprises a bottom plate which is fixedly connected with the base through a first bolt and can move and adjust relative to the base, an upright post which is fixedly connected with the bottom plate, and a clamping seat which is fixedly connected with the upright post through a second bolt and is used for clamping the dial indicator; a first strip-shaped hole for the first bolt to penetrate and connect is formed in the bottom plate; and the upper part of the upright post is provided with a second strip-shaped hole for the second bolt to penetrate and connect.
Preferably, the base is made of aluminum profiles.
Preferably, the sliding seat is provided with a guide groove which is matched with the base in a guide way.
Preferably, the angle of the V-shaped groove is 90 degrees.
Preferably, the polytetrafluoroethylene layer is fixedly connected with the support body by screws.
Compared with the prior art, the utility model has the following advantages:
the utility model has the advantages of ingenious and concise structure, simple and convenient adjustment, light weight and the like, can be used for the field inspection of long shafts and sleeve parts with different specifications, and can effectively protect the parts from being damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
In order to more clearly illustrate the objects, technical solutions and advantages of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention described below, are within the scope of protection of the present invention.
In the description of the present invention, technical or scientific terms used should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. It should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," "disposed," and the like are intended to be broadly construed and include, for example, fixedly connected, disposed, detachably connected, disposed, and integrally connected and disposed. The terms "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, and those skilled in the art will understand that the terms are used in the present invention according to their specific meanings. The terms "comprises" or "comprising," and the like, mean that the element or item preceding the term includes the element or item listed after the term and its equivalent, but not excluding other elements or items. The terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Meanwhile, in order to keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts of the present invention is omitted.
As shown in the attached drawings, the tool for detecting the concentricity of a long shaft and a sleeve part comprises a long strip-shaped base 1, two detection seats 2 which are slidably arranged on the base 1 and can move and adjust relative to the base 1, and three sets of measuring seats 3 which are detachably connected on the base 1; the detection seat 2 comprises a sliding seat 21 which is in guide fit with the base 1, a locking screw 22 which is screwed on the sliding seat 21 and is used for locking the sliding seat 21 and the base 1, a support body 24 which is fixedly connected to the upper end of the sliding seat 21 and is provided with a V-shaped groove 23 at the upper end, a polytetrafluoroethylene layer 25 which is fixedly connected to the surface of the V-shaped groove 23, and two adjusting screws 26 which are respectively in threaded connection with the two sides of the support body 24 and extend downwards; the measuring seat 3 comprises a bottom plate 32 which is fixedly connected with the base 1 through a first bolt 31 and can move and adjust relative to the base 1, an upright column 33 which is fixedly connected with the bottom plate 32, and a clamping seat 35 which is fixedly connected with the upright column 33 through a second bolt 34 and is used for clamping the dial indicator; a first strip-shaped hole 36 for the first bolt 31 to penetrate and connect is arranged on the bottom plate 32; and a second strip-shaped hole 37 for the second bolt 34 to penetrate and connect is arranged at the upper part of the upright column 33.
In this embodiment, the base 1 is made of aluminum profiles which are light in weight and convenient to move. The sliding seat 21 is provided with a guide groove 27 which is matched with the base 1 in a guiding way, so that the sliding seat is convenient to move and adjust, and obviously, other guide structures can also be adopted. The angle of the V-shaped groove 23 is preferably 90 degrees, and the detection of parts with various diameters can be met. The polytetrafluoroethylene layer 25 is fixedly connected with the support body 24 by screws, obviously, bonding and the like can be adopted, and the polytetrafluoroethylene layer has the functions of preventing the workpiece from being napped and damaged and has a certain self-lubricating effect. The mount fixture that the grip slipper adopted current percentage table can, no longer give unnecessary details. The quantity of measuring the seat can carry out reasonable dismouting according to measuring needs.
Before use, analyzing the supporting points and measuring the supporting distance; after the detection, the distance between the detection seat of the measuring tool is adjusted, the locking screw is screwed to enable the detection seat and the base to be integrated, and the adjusting screw on the detection seat is adjusted to be in contact with the ground, so that the stability of a stress point is ensured; after a workpiece is placed on the detection seat, two screws at the bottom of the detection seat are adjusted again to be in contact with the ground, and then the adjusting screws are fastened; then, the position of the measuring base is adjusted, and the dial indicator is arranged to find that the measuring foot of the indicator is vertical to the axis of the inner diameter and the outer diameter to be measured. And rotating the tested part by 180 degrees, wherein the difference between the maximum reading and the minimum reading is the coaxiality error.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made on the technical solutions or parts of the technical features described in the above embodiments can be included in the scope of protection of the present invention within the spirit and principle of the present invention.
Claims (5)
1. A tool for detecting the concentricity of a long shaft and a sleeve part comprises a long strip-shaped base (1), two detection seats (2) which are arranged on the base (1) in a sliding way and can move and adjust relative to the base (1), and at least one set of measuring seat (3) which is detachably connected on the base (1); the method is characterized in that: the detection seat (2) comprises a sliding seat (21) which is in guide fit with the base (1), a locking screw (22) which is screwed on the sliding seat (21) and used for locking the sliding seat (21) and the base (1), a support body (24) which is fixedly connected to the upper end of the sliding seat (21) and is provided with a V-shaped groove (23) at the upper end, a polytetrafluoroethylene layer (25) which is fixedly connected to the surface of the V-shaped groove (23), and two adjusting screws (26) which are respectively in threaded connection with the two sides of the support body (24) and extend downwards; the measuring seat (3) comprises a bottom plate (32) which is fixedly connected with the base (1) through a first bolt (31) and can move and adjust relative to the base (1), an upright post (33) which is fixedly connected with the bottom plate (32), and a clamping seat (35) which is fixedly connected with the upright post (33) through a second bolt (34) and is used for clamping the dial indicator; a first strip-shaped hole (36) for the first bolt (31) to penetrate and connect is formed in the bottom plate (32); and a second strip-shaped hole (37) for the second bolt (34) to penetrate and connect is formed in the upper part of the upright column (33).
2. Tool for concentricity detection of long shafts, parts of the sleeve type, according to claim 1, characterized in that: the base (1) is made of an aluminum profile.
3. Tool for concentricity detection of long shafts, sleeves and the like according to claim 1 or 2, wherein: the sliding seat (21) is provided with a guide groove (27) which is in guide fit with the base (1).
4. Tool for concentricity detection of long shafts, sleeves and the like according to claim 1 or 2, wherein: the angle of the V-shaped groove (23) is 90 degrees.
5. Tool for concentricity detection of long shafts, sleeves and the like according to claim 1 or 2, wherein: the polytetrafluoroethylene layer (25) is fixedly connected with the support body (24) by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120125772.3U CN215810632U (en) | 2021-01-18 | 2021-01-18 | Tool for detecting concentricity of long shaft and sleeve part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120125772.3U CN215810632U (en) | 2021-01-18 | 2021-01-18 | Tool for detecting concentricity of long shaft and sleeve part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215810632U true CN215810632U (en) | 2022-02-11 |
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ID=80125571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120125772.3U Active CN215810632U (en) | 2021-01-18 | 2021-01-18 | Tool for detecting concentricity of long shaft and sleeve part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215810632U (en) |
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2021
- 2021-01-18 CN CN202120125772.3U patent/CN215810632U/en active Active
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