CN214010190U - Tool for detecting excircle ovality - Google Patents
Tool for detecting excircle ovality Download PDFInfo
- Publication number
- CN214010190U CN214010190U CN202023026122.8U CN202023026122U CN214010190U CN 214010190 U CN214010190 U CN 214010190U CN 202023026122 U CN202023026122 U CN 202023026122U CN 214010190 U CN214010190 U CN 214010190U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pipe sample
- ovality
- connecting rod
- excircle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
An excircle ovality detection tool comprising: the measuring device is in contact with the outer circle of the steel pipe sample, and detects a change in distance from the contact point to the central axis of the steel pipe sample during rotation of the steel pipe sample. When the steel pipe sample is detected, the steel pipe sample is placed on the supporting assembly, the steel pipe sample is enabled to stably rotate, in the rotating process of the steel pipe sample, the distance change from the outer surface of the steel pipe sample to the central axis of the steel pipe sample is measured, and whether the excircle ovality of the steel pipe sample meets the requirement or not is judged according to the change situation of the measured value. The utility model provides an excircle ovality detects instrument has following advantage: 1. the excircle ovality detection tool is simple in structure composition and manufacturing process; 2. the method can be complemented with the traditional method for detecting the ellipticity, improves the detection precision and can avoid the problem of missing detection.
Description
Technical Field
The utility model relates to a tubular product, rod excircle defect detection instrument technical field, more specifically say, in particular to excircle ovality detection instrument.
Background
The processing of the pipe and the bar requires that the outer circle of the pipe and the bar should be a perfect circle, but limited by conditions such as processing precision, the outer circle of the pipe and the bar often has certain defects, for example, the cross section profile perpendicular to the axis of the pipe or the bar is an ellipse, or the outer surface of the pipe and the bar is a regular triangle, which may be collectively referred to as the outer circle defect. If the defects of the excircle are not found in time, the products such as pipes, bars and the like have batch and serious black skin defects in the machining process, and once the black skin defects appear, the products cannot be saved, so that the products in large batch are scrapped.
Therefore, the excircle defects of the pipe and the bar are detected before machining, so that the excircle defects of the bar of the pipe to be machined are controlled within a reasonable machining requirement range.
In prior art, to the excircle defect of tubular product and rod use external micrometer and slide caliper to detect usually, when the excircle of tubular product or rod becomes irregular and is similar to the triangle-shaped shape, use external micrometer and slide caliper to know with data, will have like this and miss the risk of examining.
SUMMERY OF THE UTILITY MODEL
Therefore, how to provide an excircle defect detection device with high detection precision and without the problem of missing detection becomes a problem to be solved by those skilled in the art.
In order to achieve the above object, the present invention provides the following technical solutions:
an excircle ovality detection tool is used for measuring ovality of a steel pipe sample.
This excircle ovality detects instrument includes:
a base;
the bearing wheels are rotatably arranged on the base, the two bearing wheels are arranged in parallel, and the steel pipe sample is placed between the two bearing wheels;
and the measuring device is arranged on the base and comprises a dial indicator, the dial indicator is arranged on one side of the steel pipe sample, a measuring head of the dial indicator is in contact with the outer circle of the steel pipe sample far away from one side of the bearing wheel, and the change of the distance from the contact point to the coplanar of the central axes of the two bearing wheels is detected in the rotation process of the steel pipe sample.
Preferably, in the tool for detecting the excircle ovality provided by the present invention, the outer diameters of the two bearing wheels are the same, and the axes of the two bearing wheels are parallel; the two bearing wheels are arranged at intervals, and the steel pipe sample is placed between the two bearing wheels and is simultaneously contacted with the surfaces of the two bearing wheels.
Preferably, in the utility model provides an excircle ovality detects instrument, the axis of the measuring stick of percentage table with the axis of bearing wheel is perpendicular, the axis of measuring stick passes two in the same group the mid point of distance between the bearing wheel.
Preferably, in the utility model provides an excircle ovality detects instrument, measuring device position adjustable set up in on the base.
Preferably, in the utility model provides an excircle ovality detects instrument, still include the support, the support set up in on the base, measuring device passes through support position install adjustably in on the base.
Preferably, the utility model provides an in the excircle ovality detection instrument, the support includes magnetism gauge stand and short circuit, offer on the magnetism gauge stand be used for with the bayonet socket of the interior round surface of bearing wheel or excircle surface contact, the bayonet socket is the horn shape opening, the angular bisector of bayonet socket with the axis of measuring stick is parallel, the short circuit is the adjustable short circuit of length, measuring device passes through the short circuit set up in on the magnetism gauge stand.
Preferably, in the utility model provides an excircle ovality detects instrument, the short circuit includes for connecting rod and rod cover, the axis of rod cover with the axis of measuring stick is parallel, the one end movably of connecting rod is inserted and is located in the rod cover, the other end of connecting rod with measuring device fixed connection.
Preferably, in the utility model provides an excircle ovality detects instrument, the connecting rod including preceding connecting rod and with the back connecting rod that preceding connecting rod is connected, the axis of preceding connecting rod with the contained angle has between the axis of back connecting rod, preceding connecting rod with measuring device connects, the back connecting rod is inserted and is located in the rod cover.
Preferably, in the tool for detecting excircle ovality provided by the present invention, the outer diameter of the bearing wheel is larger than the outer diameter of the steel pipe sample.
The utility model has the advantages as follows:
the utility model provides an excircle ovality detects instrument the utility model discloses in, this excircle ovality detects instrument includes: the measuring device is in contact with the outer circle of the steel pipe sample, and detects the change in the distance from the contact point to the central axis of the steel pipe sample during the rotation of the steel pipe sample. When the steel pipe sample is detected, the steel pipe sample is placed on the supporting assembly, the steel pipe sample is enabled to stably rotate, in the rotating process of the steel pipe sample, the distance change from the outer surface of the steel pipe sample to the central axis of the steel pipe sample is measured, and whether the excircle ovality of the steel pipe sample meets the requirement or not is judged according to the change situation of the measured value. Through the structure design, the utility model provides an excircle ovality detects instrument has following advantage: 1. the excircle ovality detection tool is simple in structure composition and manufacturing process; 2. the method can be complemented with the traditional method for detecting the ellipticity, improves the detection precision and can avoid the problem of missing detection.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural view of the excircle ovality detection tool in an embodiment of the present invention in a use state.
Description of reference numerals:
a dial indicator 1, a short joint 2, a magnetic gauge stand 3, a bearing wheel 4, a base 5, a steel pipe sample 6,
Measuring stick 7, rod cover 8, preceding connecting rod 9, back connecting rod 10.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", 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 of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an excircle ovality detection tool in an operating state according to an embodiment of the present invention.
The utility model provides an excircle ovality detection tool for carry out the detection of excircle ovality (excircle defect) to the product of pole structures such as tubular product, rod.
When the outer circular profile of the cross section of the steel pipe sample is a non-perfect circle (for example, an ellipse or a partially polygonal structure) in the detection of the outer circular ovality of the pipe or the bar, the distance from the outer circular profile of the cross section to the center point of the steel pipe sample changes. Based on this exactly, the utility model provides a following detection scheme: the method comprises the steps of stably rotating a steel pipe sample (a pipe or a bar), namely rotating the steel pipe sample around the axis of the steel pipe sample, wherein the stable rotation means that the axis of the steel pipe sample does not jump when the steel pipe sample rotates. When the steel pipe sample rotates stably, only one detection device capable of performing distance (the distance detection recognition accuracy should be not more than 0.01mm) needs to be used, and the distance detection of the outer circular profile of the cross section of the steel pipe sample can be realized by aligning the detection device with the steel pipe sample and rotating the steel pipe sample. If the excircle outline of the steel pipe sample is not in a perfect circle shape, the detection reading of the detection equipment will change, and whether the excircle ovality of the steel pipe sample meets the requirement can be determined according to the change of the detection reading.
The utility model discloses well percentage table is fixed the setting for the base, and the measuring head of percentage table and the outer surface contact of steel pipe assay, and it is exactly the distance of the contact point of the surface of measuring steel pipe assay and measuring head apart from steel pipe assay central axis in fact, and the fluctuation according to measuring distance changes, and the maximum value and the minimum value of measured value change promptly judge whether the ovality of steel pipe assay satisfies the requirement. In one embodiment of the present invention, the sample diameter is not more than 1.6% from the maximum value to the minimum value, which is the requirement of ovality.
In order to realize the detection to steel pipe testpieces excircle ovality, the utility model provides an excircle ovality detects instrument structure as follows, include:
1. the supporting assembly is used for supporting the steel pipe test material 6 and enabling the steel pipe test material 6 to rotate around the central axis of the steel pipe test material 6, and consists of two bearing wheels 4, wherein the two bearing wheels 4 are arranged in parallel, and the steel pipe test material 6 is placed between the two bearing wheels 4 in the detection process;
2. the measuring device capable of measuring a change in the target distance is in contact with the outer circumference of the steel pipe sample 6 by the measuring device, and detects a change in the distance from the contact point to the central axis of the steel pipe sample 6 during rotation of the steel pipe sample 6.
Specifically, a measuring device (dial indicator 1) is arranged on a base 5, the measuring device comprises a dial indicator 1, the dial indicator 1 is arranged on one side of a steel pipe sample 6, and a measuring head of the dial indicator 1 is in contact with the outer circle of the steel pipe sample 6 far away from one side of a bearing wheel 4 (specifically, when the steel pipe sample 6 is flatly placed between two bearing wheels 4, the measuring head of the dial indicator 1 is in contact with the top outer circle of the steel pipe sample 6), and in the rotating process of the steel pipe sample 6, the change of the distance from the contact point of the measuring head of the dial indicator 1 to the coplanar surface of the central axes of the two bearing wheels 4 is detected.
The support unit supports the steel pipe sample 6, and includes both support when the steel pipe sample 6 is stationary and rotational support of the steel pipe sample 6 (while providing rotational power to the steel pipe sample 6). Therefore, in order to guarantee that its axis does not take place to beat when steel pipe assay 6 is rotatory, the utility model discloses well supporting component adopts following structural design: the support assembly comprises bearing wheels 4, the two bearing wheels 4 are taken as a group, the outer diameters of the two bearing wheels 4 in the same group are the same, and the axes of the two bearing wheels 4 in the same group are parallel; the steel pipe sample 6 is placed between the two bearing wheels 4 of the same set and simultaneously brought into contact with the surfaces of the two bearing wheels 4.
The bearing wheel 4 is a roller wheel with a structure similar to a bearing, and comprises an outer ring and an inner ring, a ball or a round roller is arranged between the inner ring and the outer ring, and the assembly precision between the inner ring and the outer ring is high, so that after the inner ring is fixed (for example, the inner ring is arranged on a bearing seat, the bearing seat is provided with an installation shaft, and the inner ring is sleeved on the installation shaft), the outer ring can rotate very stably.
The utility model discloses use two bearing wheels 4 as a set of, should guarantee that the axis of two bearing wheels 4 is parallel, place back on two bearing wheels 4 in same group at steel pipe assay 6 like this, can keep the axis parallel between the bearing wheel 4 and between steel pipe assay 6 and the bearing wheel 4.
As is clear from the above, since the outer ring of the bearing wheel 4 can rotate very smoothly, the steel pipe sample 6 can be rotated stably when the bearing wheel 4 (the outer ring of the bearing wheel 4) rotates.
In order to improve the stability that bearing wheel 4 supported steel pipe assay 6, the utility model discloses well bearing wheel 4 has set up two sets ofly, and two sets of bearing wheels 4 are coaxial to be set up (with two bearing wheels 4 coaxial of one side).
Further, in this embodiment, it is required that the outer diameters of the two bearing wheels 4 arranged in the same group are the same, and when the steel pipe sample 6 is supported, the axes of the two bearing wheels 4 in the same group are located in the same horizontal plane, so that the center of gravity of the steel pipe sample 6 is located exactly at the midpoint of the line connecting the axes of the two bearing wheels 4, that is, the acting force (mainly gravity) applied by the steel pipe sample 6 to the two bearing wheels 4 is the same, and this structure can prevent the steel pipe sample 6 from falling off when the steel pipe sample 6 is placed on the bearing wheels 4 and rotates.
The utility model discloses in, measuring device is used for detecting the excircle ovality of steel pipe assay 6, and it is mainly that the measuring distance changes (the measuring point on the excircle surface of steel pipe assay 6 is apart from the distance change of the central point of steel pipe assay 6 promptly), consequently, the utility model discloses the measuring device who uses should select for use the higher measuring device of measurement accuracy. Preferably, the utility model discloses in, measuring device can be percentage table 1, also can be laser range finder.
Specifically, the measuring device is a dial indicator 1, the dial indicator 1 includes a measuring rod 7, a measuring head is provided at the end of the measuring rod 7, the measuring head is in contact with the steel pipe sample 6, and the measuring head and the steel pipe sample 6 are always in contact with each other when the steel pipe sample 6 is rotated. When a contact point (a point at which the steel pipe sample contacts the measuring head) at which the measuring head contacts the steel pipe sample 6 is jumped, the reading of the dial gauge 1 changes.
The dial indicator 1 is used for measuring changes in the outer circumference of the steel pipe sample 6, and if the dial indicator 1 fluctuates repeatedly a lot, it indicates that the outer circumference ovality of the steel pipe sample 6 is not uniform, and if the fluctuation of the dial indicator 1 is small, it indicates that the outer circumference ovality of the steel pipe sample 6 is good.
To measuring device's installation, the utility model provides a following requirement: the axis of the measuring rod 7 must be perpendicular to the axis of the bearing wheel 4 and the axis of the measuring rod 7 passes through the midpoint of the line between the two bearing wheels 4 in the same group.
The utility model also provides a base 5 for install supporting component and measuring device.
Specifically, the support assembly is disposed on the base 5 through a bearing seat, and the measuring device is adjustably disposed on the base 5. Specifically, the utility model also provides a support, the support sets up on base 5, and measuring device passes through the support position and installs adjustably on base 5.
Specifically, the support includes magnetism gauge stand 3 and short circuit 2, and magnetism gauge stand 3 should be for supporting component (bearing wheel 4) fixed mounting the utility model discloses an embodiment, magnetism gauge stand 3 adopts magnetic material to make and forms. Furthermore, a bayonet for contacting with the inner circular surface or the outer circular surface of the bearing wheel 4 is arranged on the magnetic gauge stand 3, and the magnetic gauge stand 3 can be installed on the inner circular surface of the bearing wheel 4 in a magnetic connection mode. When the bearing block is adopted to mount the bearing wheel 4, a mounting shaft is arranged on the bearing block, and the magnetic gauge stand 3 can be fixed on the mounting shaft through a bayonet.
The magnetic bezel 3 itself may be magnetic, and the entire bezel may be magnetic, or a plurality of strong magnet pieces may be provided on the magnetic bezel 3 to make the magnetic bezel 3 magnetic. The magnetic meter base 3 has magnetism, and can be fixed on the base in a magnetic adsorption mode, so that the fixed position of the magnetic meter base 3 can be conveniently adjusted.
The utility model discloses in, the bayonet socket is the angular form opening, and the angular bisector of bayonet socket is parallel with measuring stick 7's axis, and short circuit 2 is the adjustable short circuit of length, and measuring device passes through short circuit 2 and sets up on magnetism gauge stand 3.
Specifically, the short circuit 2 comprises a connecting rod and a rod sleeve 8, the axis of the rod sleeve 8 is parallel to the axis of the measuring rod 7, one end of the connecting rod is movably inserted into the rod sleeve 8, and the other end of the connecting rod is fixedly connected with the measuring device. Further, the connecting rod comprises a front connecting rod 9 and a rear connecting rod 10 connected with the front connecting rod 9, an included angle is formed between the axis of the front connecting rod 9 and the axis of the rear connecting rod 10, the front connecting rod 9 is connected with the measuring device, and the rear connecting rod 10 is inserted into the rod sleeve 8.
In the present invention, the front link 9 and the rear link 10 can be made of metal material, such as stainless steel bar, or made of plastic with high hardness. The front connecting rod 9 and the rear connecting rod 10 are fixed after forming a certain included angle according to the structural design. And then the front connecting rod 9 and the measuring device are fixed, the fixing can be selected to be welded and fixed, or an anchor ear capable of being clamped on the measuring device is arranged, and after the front connecting rod 9 and the anchor ear are welded, the anchor ear is clamped on the measuring device.
In a preferred embodiment of the present invention, the outer diameter of the bearing wheel 4 is larger than the outer diameter of the steel pipe sample 6. Thus, by reducing the number of rotations of the bearing wheel 4 during rotation of the steel pipe sample 6, accumulation of errors caused by rotation of the bearing wheel 4 can be reduced, and the accuracy of measurement can be improved.
The utility model aims at providing an excircle ovality detection tool to the excircle detection of tubular product or rod.
In the prior art, the traditional method for checking ovality is to check the maximum diameter value and the minimum diameter value of a pipe or a bar by using a micrometer and a vernier caliper, and calculate the difference between the maximum diameter value and the minimum diameter value to obtain the ovality. However, the conventional inspection method has some disadvantages, such as: the ovality of an ellipse (a triangle) cannot be measured accurately, so that the conditions of processing black skin and incapability of centering still occur in the processing process of a user.
In order to provide one kind and can avoid appearing lou examining to detect the higher detection device of precision, the utility model provides a following scheme: the utility model provides a detection tool includes percentage table 1, short circuit 2, magnetism gauge stand 3, bearing wheel 4, base 5 and other parts. The excircle ovality detection tool is characterized in that a steel pipe test material 6 to be detected is placed on a bearing wheel 4, a magnetic gauge stand 3 is fixed according to the size of the steel pipe test material 6, then a short circuit 2 is adjusted to enable a dial indicator 1 to be in full contact with the steel pipe test material 6, then the steel pipe test material 6 is rotated, the fluctuation value of the dial indicator 1 is detected, and the ovality condition can be monitored according to the fluctuation difference value.
For example: when a certain machining unit processes the pipe fitting, the appearance of the pipe fitting is processed to generate black skin, and the detection shows that the black skin meets the standard requirements, and the specific reason for generating the black skin cannot be found. And the pipe fitting that will appear the black skin is placed the utility model discloses an excircle ovality detects on the detection tool, finds that percentage table 1 obviously sways undulant total for six times, draws the conclusion, and this assay excircle is similar hexagon's ellipse.
Through the structure design, the utility model provides an excircle ovality detects instrument has following advantage: 1. the excircle ovality detection tool is simple in structure composition and manufacturing process; 2. the method can be complemented with the traditional method for detecting the ellipticity, improves the detection precision and can avoid the problem of missing detection.
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 (9)
1. An excircle ovality detection tool for measuring ovality of a steel pipe test piece, characterized by comprising:
a base;
the bearing wheels are rotatably arranged on the base, the two bearing wheels are arranged in parallel, and the steel pipe sample is placed between the two bearing wheels;
and the measuring device is arranged on the base and comprises a dial indicator, the dial indicator is arranged on one side of the steel pipe sample, a measuring head of the dial indicator is in contact with the outer circle of the steel pipe sample far away from one side of the bearing wheel, and the change of the distance from the contact point to the coplanar of the central axes of the two bearing wheels is detected in the rotation process of the steel pipe sample.
2. The cylindrical ovality detection tool of claim 1,
the outer diameters of the two bearing wheels are the same, and the axes of the two bearing wheels are parallel;
the two bearing wheels are arranged at intervals, and the steel pipe sample is placed between the two bearing wheels and is simultaneously contacted with the surfaces of the two bearing wheels.
3. The cylindrical ovality detection tool of claim 2,
the axis of a measuring rod of the dial indicator is perpendicular to the axis of the bearing wheel, and the axis of the measuring rod penetrates through the middle point of the distance between the two bearing wheels in the same group.
4. The cylindrical ovality detection tool of claim 1,
the measuring device is arranged on the base in a position-adjustable manner.
5. The cylindrical ovality detection tool of claim 4,
the measuring device is characterized by further comprising a support, wherein the support is arranged on the base, and the measuring device is adjustably arranged on the base through the support.
6. The cylindrical ovality detection tool of claim 5,
the support includes magnetism gauge stand (3) and short circuit (2), offer on the magnetism gauge stand be used for with the bayonet socket of the contact of interior round surface or excircle surface of bearing wheel, the bayonet socket is the horn shape opening, the angular bisector of bayonet socket with the axis of the measuring stick of percentage table is parallel, the short circuit is the adjustable short circuit of length, measuring device passes through the short circuit set up in on the magnetism gauge stand.
7. The cylindrical ovality detection tool of claim 6,
the short circuit comprises a connecting rod and a rod sleeve (8), the axis of the rod sleeve is parallel to the axis of the measuring rod, one end of the connecting rod is movably inserted into the rod sleeve, and the other end of the connecting rod is fixedly connected with the measuring device.
8. The cylindrical ovality detection tool of claim 7,
the connecting rod including preceding connecting rod (9) and with back connecting rod (10) that preceding connecting rod is connected, the axis of preceding connecting rod with the contained angle has between the axis of back connecting rod, preceding connecting rod with measuring device connects, back connecting rod inserts and locates in the rod cover.
9. The cylindrical ovality detection tool according to any one of claims 2 to 8,
the outer diameter of the bearing wheel is larger than that of the steel pipe sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023026122.8U CN214010190U (en) | 2020-12-15 | 2020-12-15 | Tool for detecting excircle ovality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023026122.8U CN214010190U (en) | 2020-12-15 | 2020-12-15 | Tool for detecting excircle ovality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214010190U true CN214010190U (en) | 2021-08-20 |
Family
ID=77311773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023026122.8U Active CN214010190U (en) | 2020-12-15 | 2020-12-15 | Tool for detecting excircle ovality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214010190U (en) |
-
2020
- 2020-12-15 CN CN202023026122.8U patent/CN214010190U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507436C (en) | Meter for conic hole | |
| CN103267471B (en) | A kind of coaxiality check fixture of automobile hub bearing hole | |
| CN102519347A (en) | Inner hole radial circle run-out detecting tool | |
| CN101750002B (en) | Coaxial rotating position error detector | |
| CN203964804U (en) | Taper hole detector | |
| CN201378034Y (en) | Gauge for measuring center height of bell housing spherical channel (spherical surface) | |
| CN214010190U (en) | Tool for detecting excircle ovality | |
| CN103630033B (en) | Car transmission shaft stiff end universal joint inner ring alley sphere center position detection apparatus | |
| CN107504880B (en) | Measuring tool for measuring tapered roller bearing inner ring flange width | |
| CN203595468U (en) | Raceway ball center position detecting device of car transmission shaft fixed end universal joint inner ring | |
| CN202204458U (en) | Coaxiality error examination clamp for sleeve or hollow shaft type parts | |
| CN103983175A (en) | Outer cone detector | |
| CN210165871U (en) | Outer ring detection device of outer spherical bearing | |
| CN110081797B (en) | Detection device and detection method for hole and shaft belt tip | |
| CN111879214A (en) | High-precision inner conical surface taper rapid detection tool | |
| CN209961151U (en) | Coaxiality detection device | |
| CN208841043U (en) | A kind of lathe part alignment device | |
| CN215178612U (en) | Super-huge cylindrical roller bearing rotation accuracy detects frock | |
| CN219083961U (en) | Measuring tool capable of rapidly detecting outer circle wall thickness of hollow shaft | |
| CN107607027B (en) | Universal taper detection device | |
| CN110763172A (en) | Measuring tool and measuring method for spherical bearing part | |
| CN218066402U (en) | Radius measuring device | |
| CN216348187U (en) | Bearing ring measuring tool | |
| CN216717315U (en) | Bearing spindle detection bracket | |
| CN213067326U (en) | Tool and detection device for detecting half axle gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |