CN210664315U - Flatness detection device - Google Patents
Flatness detection device Download PDFInfo
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- CN210664315U CN210664315U CN201922058135.4U CN201922058135U CN210664315U CN 210664315 U CN210664315 U CN 210664315U CN 201922058135 U CN201922058135 U CN 201922058135U CN 210664315 U CN210664315 U CN 210664315U
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- reference sleeve
- dial indicator
- hole
- measuring rod
- sleeve
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Abstract
The utility model relates to the field of mechanical measurement, aiming at solving the problems of complex structure, inconvenient use and long service life of a flatness detection device in the prior art when detecting, and providing a flatness detection device which comprises a dial indicator and a reference sleeve; a through hole is formed in the center of the reference sleeve; the measuring rod on the dial indicator penetrates through the through hole from top to bottom; in a natural state, the tail end of the measuring head of the dial indicator extends out of the lower end face of the reference sleeve; the upper end surface of the reference sleeve is tangent to the outer peripheral surface of the dial plate, and the reference sleeve is fixedly connected to the dial indicator. The beneficial effects of the utility model are that simple structure, convenient to use and use are quick and can conveniently realize detecting the plane degree of being surveyed.
Description
Technical Field
The utility model relates to a mechanical measurement field particularly, relates to a flatness detecting device.
Background
In the prior art, common measurement methods for flatness of a production factory include a meter making method, a feeler gauge method, a three-coordinate method and the like, but the meter making method requires a high measurement level of personnel and a long time, the feeler gauge method requires a feeler gauge to be used for continuous testing, the time spent is too long, three-coordinate detection requires clamping, a coordinate system is established, and field operation is inconvenient, so that the conventional flatness measurement has the technical problems of long service time, inconvenience in use and complex structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flatness detection device to when solving among the prior art flatness detection device and examining, its structure is complicated, use inconvenient and the long problem of live time.
The embodiment of the utility model is realized like this:
the embodiment of the utility model provides a flatness detection device, which comprises a dial indicator and a reference sleeve; the center of the reference sleeve is provided with a through hole; the measuring rod on the dial indicator penetrates through the through hole from top to bottom; in a natural state, the tail end of the measuring head of the dial indicator extends out of the lower end face of the reference sleeve; the upper end surface of the reference sleeve is tangent to the outer peripheral surface of the dial plate, and the reference sleeve is fixedly connected to the dial indicator.
The dial indicator can adopt the existing dial indicator, the dial indicator consists of a dial plate, a measuring rod and a measuring head, a through hole is formed in the measuring rod, one end of the measuring rod is fixedly connected to the outer peripheral surface of the dial plate, the measuring head is inserted into the other end of the measuring rod, and the measuring head stretches out and draws back at the other end of the measuring rod, so that the dial plate displays data.
The fixed part can be a measuring rod and a dial plate of the dial indicator, and in the application, the fixed part is the measuring rod.
When the plane flatness detection device is used, the lower end face of the reference sleeve is firstly attached to a measured plane, at the moment, the measuring head is retracted towards the inside of the measuring rod, data are obtained on a measuring disc of the dial indicator, then the flatness detection device is fixed, the data of the dial indicator are calibrated to be zero, the flatness detection device is manually moved to detect any position of the measured plane, a plurality of groups of data are obtained, and finally, the difference value between the maximum value measured by the dial indicator and the minimum value measured by the dial indicator is calculated to be the flatness of the plane, so that the flatness detection is realized.
The utility model discloses a flatness detection device is owing to suit a benchmark cover on the measuring staff of percentage table for flatness detection device can remove on being surveyed the plane, thereby makes flatness detection device have simple structure, convenient to use and use quick and can conveniently realize the beneficial effect that detects the plane degree of being surveyed the plane.
Optionally: one end of the reference sleeve is provided with an expanding part so as to be convenient for dismounting the reference sleeve.
Optionally: the expansion part of the reference sleeve and the fixed part of the dial indicator are detachably connected, so that the reference sleeve is convenient to maintain and use.
Optionally: the outer peripheral surface of the enlarged part of the reference sleeve is provided with a positioning hole communicated with the through hole, and the axis of the positioning hole is intersected with the axis of the measuring rod; the positioning holes are internally provided with loose screws, and the reference sleeve is detachably fixed on the measuring rod of the dial indicator by the loose screws, so that the reference sleeve and the dial indicator are connected into a whole.
Optionally: a gap is arranged between the inner peripheral surface of the through hole and the outer peripheral surface of the measuring rod, so that the reference sleeve does not interfere with the detection data of the measuring head.
Optionally: one end and the other end of the reference sleeve are both cylindrical.
In summary, the present invention provides a flatness detecting device with simple structure, easy operation and quick operation, which can conveniently detect the flatness of the measured plane.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a flatness detecting apparatus according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a reference sleeve of a flatness detecting apparatus according to an embodiment of the present invention;
icon: 1-dial indicator; 2-a reference sleeve; 3-a through hole; 4-measuring rod; 5-measuring a head; 6-positioning holes; 7-loosening and tightening the screw; 8-an enlarged portion; 9-dial plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, the embodiment provides a flatness detecting apparatus, which relates to the field of mechanical measurement and comprises a dial indicator 1 and a reference sleeve 2.
Referring to fig. 1, a through hole 3 is formed in the center of the reference sleeve 2; the measuring rod 4 on the dial indicator 1 penetrates through the through hole 3 from top to bottom; in a natural state, the tail end of the measuring head 5 of the dial indicator 1 extends out of the lower end face of the reference sleeve 2; the upper end surface of the reference sleeve 2 is tangent to the outer peripheral surface of the dial 9, and the reference sleeve 2 is fixedly connected to the dial indicator 1.
The dial indicator 1 can adopt the existing dial indicator, the dial indicator 1 comprises a dial plate 9, a measuring rod 4 and a measuring head 5, a through hole is formed in the measuring rod 4, one end of the measuring rod 4 is fixedly connected to the outer peripheral surface of the dial plate 9, the measuring head 5 is inserted into the other end of the measuring rod 4, and the measuring head 5 stretches out and draws back at the other end of the measuring rod 4, so that the dial plate 9 displays data.
The fixed part can be the measuring rod 4 and the dial 9 of the dial indicator 1, and in the present application, the fixed part is the measuring rod 4.
When the device is used, the lower end face of the reference sleeve 2 is firstly attached to a measured plane, at the moment, the measuring head 5 is retracted towards the measuring rod 4, data are obtained on the measuring disc 9 of the dial indicator 1, then the flatness detection device is not moved, the data of the dial indicator 1 are calibrated to zero, the flatness detection device is moved manually to detect any position of the measured plane, a plurality of groups of data are obtained, and finally, the difference value between the maximum value and the minimum value measured by the dial indicator 1 is calculated to be the flatness of the plane, so that the flatness detection is realized.
The flatness detection device disclosed by the embodiment is characterized in that the reference sleeve 2 is sleeved on the measuring rod 4 of the dial indicator 1, so that the flatness detection device can move on a measured plane, and the flatness detection device has the beneficial effects of simple structure, convenience in use, quickness in use and convenience in realizing flatness detection of the measured plane.
Referring to fig. 1 and 2, an enlarged portion 8 is provided at one end of the reference sleeve 2 to facilitate the assembly and disassembly of the reference sleeve 2; the expansion part 8 of the reference sleeve 2 and the fixed part of the dial indicator 1 are detachably connected so as to be convenient to maintain and use; a positioning hole 6 communicated with the through hole 3 is arranged on the outer peripheral surface of the enlarged part 8 of the reference sleeve 2, and the axis of the positioning hole 6 is intersected with the axis of the measuring rod 4; an elastic screw 7 is arranged in the positioning hole 6, and the reference sleeve 2 is detachably fixed on the measuring rod 4 of the dial indicator 1 by the elastic screw 7, so that the reference sleeve 2 and the dial indicator 1 are connected into a whole; a gap is arranged between the inner peripheral surface of the through hole 3 and the outer peripheral surface of the measuring rod 4, so that the reference sleeve 2 does not interfere with the detection data of the measuring head 5; one end and the other end of the reference sleeve 2 are both cylindrical.
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 (6)
1. A flatness detecting apparatus characterized in that:
comprises a dial indicator and a reference sleeve;
a through hole is formed in the center of the reference sleeve;
the measuring rod on the dial indicator penetrates through the through hole from top to bottom;
in a natural state, the tail end of the measuring head of the dial indicator extends out of the lower end face of the reference sleeve;
the upper end surface of the reference sleeve is tangent to the outer peripheral surface of the dial plate, and the reference sleeve is fixedly connected to the dial indicator.
2. A flatness detecting apparatus according to claim 1, wherein:
one end of the reference sleeve is provided with an enlarged part.
3. A flatness detecting apparatus according to claim 2, wherein:
the expansion part of the reference sleeve is detachably connected with the fixed part of the dial indicator.
4. A flatness detecting apparatus according to claim 3, wherein:
the outer peripheral surface of the enlarged part of the reference sleeve is provided with a positioning hole communicated with the through hole, and the axis of the positioning hole is intersected with the axis of the measuring rod;
and the positioning hole is internally provided with a loose screw which detachably fixes the reference sleeve on the measuring rod of the dial indicator.
5. A flatness detecting apparatus according to claim 1, wherein:
a gap is arranged between the inner peripheral surface of the through hole and the outer peripheral surface of the measuring rod.
6. A flatness detecting apparatus according to claim 1, wherein:
one end and the other end of the reference sleeve are both cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922058135.4U CN210664315U (en) | 2019-11-26 | 2019-11-26 | Flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922058135.4U CN210664315U (en) | 2019-11-26 | 2019-11-26 | Flatness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664315U true CN210664315U (en) | 2020-06-02 |
Family
ID=70815553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922058135.4U Active CN210664315U (en) | 2019-11-26 | 2019-11-26 | Flatness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210664315U (en) |
-
2019
- 2019-11-26 CN CN201922058135.4U patent/CN210664315U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: Shanchuan community, Jine street, Longchang City, Neijiang City, Sichuan Province Patentee after: Longchang Shanchuan Machinery Co.,Ltd. Address before: Shanchuan Town, Longchang County, Neijiang City, Sichuan Province Patentee before: LONGCHANG SHANCHUAN PRECISION WELDED TUBE Co.,Ltd. |
|
| CP03 | "change of name, title or address" |