CN110375702B - Method for detecting planeness of positioning pin - Google Patents
Method for detecting planeness of positioning pin Download PDFInfo
- Publication number
- CN110375702B CN110375702B CN201910764843.1A CN201910764843A CN110375702B CN 110375702 B CN110375702 B CN 110375702B CN 201910764843 A CN201910764843 A CN 201910764843A CN 110375702 B CN110375702 B CN 110375702B
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- positioning
- pin
- rod
- positioning pin
- connecting rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Abstract
The invention discloses a locating pin flatness detection tool, which comprises: the positioning guide rod comprises a connecting rod and a positioning rod fixed on the connecting rod, and a first connecting part used for detachably and fixedly connecting the positioning pin is fixed on the positioning rod; the movable pin is fixed on the connecting rod, the fixed position of the movable pin on the connecting rod is adjustable along the direction of a preset straight line, and the movable pin is provided with a second connecting part used for being detachably and fixedly connected with the positioning pin. Because the position of removal round pin is adjustable along predetermineeing the linear direction, can adjust the distance of first connecting portion and second connecting portion in order to adapt to the interval between the locating pin, the commonality is stronger. In addition, the invention also discloses a positioning pin flatness detection method applying the positioning pin flatness detection tool.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a locating pin flatness detection tool and a locating pin flatness detection method.
Background
In the field of transformer manufacturing, as for the equipment body shown in fig. 1, four positioning pins, namely a first positioning pin, a second positioning pin, a third positioning pin and a fourth positioning pin, for assembly need to ensure flatness so as to facilitate the installation of the equipment body and other equipment.
Wherein, the equipment body of different models, the interval between the locating pin is probably different. However, the existing tool for detecting the flatness is matched with the equipment body in a one-to-one correspondence manner, and the tool has no universality and brings difficulty to the detection of the flatness.
Therefore, how to provide a tool with high universality is a technical problem which needs to be solved by the technical personnel in the field at present.
Disclosure of Invention
In view of this, the invention aims to provide a locating pin flatness detection tool which is high in universality. The invention also aims to provide a positioning pin flatness detection method applying the positioning pin flatness detection tool.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a locating pin plane degree detects frock, includes:
the positioning guide rod comprises a connecting rod and a positioning rod fixed on the connecting rod, and a first connecting part used for detachably and fixedly connecting the positioning pin is fixed on the positioning rod;
the movable pin is fixed on the connecting rod, the fixed position of the movable pin on the connecting rod is adjustable along the direction of a preset straight line, and the movable pin is provided with a second connecting part used for being detachably and fixedly connected with the positioning pin.
Preferably, the first connecting part is integrally formed on the positioning rod.
Preferably, the connecting rod is provided with a strip-shaped guide hole extending along the preset linear direction, and the moving pin is inserted into the guide hole and fixed to the connecting rod through a fixing nut.
Preferably, the first connecting portion is a connecting hole for being sleeved on the positioning pin, and the second connecting portion is a clamping groove for being clamped with the positioning pin.
Preferably, the connecting rod is perpendicular to the positioning rod so that the positioning guide rod forms an L-shaped plate.
A locating pin flatness detection method is based on the locating pin flatness detection tool according to any one of the above items, and comprises the following steps:
sequentially connecting the positioning pin flatness detection tool with two groups of positioning pins on the equipment body, and detecting the levelness of the same set position on the positioning guide rod at the same angle after each connection, wherein each group of positioning pins comprises two positioning pins on the equipment body;
and judging whether all the levelness is the same, if so, judging that all the positioning pins are coplanar.
Preferably, the detecting the levelness of the same set position on the positioning guide rod specifically comprises:
and detecting the levelness of the same set position on the positioning guide rod by adopting a digital display level ruler.
The invention provides a locating pin flatness detection tool, which comprises: the positioning guide rod comprises a connecting rod and a positioning rod fixed on the connecting rod, and a first connecting part used for detachably and fixedly connecting the positioning pin is fixed on the positioning rod; the movable pin is fixed on the connecting rod, the fixed position of the movable pin on the connecting rod is adjustable along the direction of a preset straight line, and the movable pin is provided with a second connecting part used for being detachably and fixedly connected with the positioning pin.
Based on the tool provided by the embodiment, whether the flatness of the positioning pin is qualified or not can be conveniently and visually detected in the manufacturing process of the equipment body, so that the equipment body can be adjusted in time, and rework caused by the flatness problem can be greatly reduced; the position of the movable pin is adjustable along the direction of the preset straight line, so that the distance between the first connecting part and the second connecting part can be adjusted to adapt to the distance between the positioning pins, and the universality is strong; because every two positioning pins are connected with the tool in one group, the installation of the tool cannot be influenced by a possibly existing bulge part between the positioning pins in each group on the equipment body, and the tool can be installed by crossing the bulge part; the tool is simple and light in structure, and can be used by a single person for detection; the tool has the advantages that the requirement on the placement angle of the equipment body is low during use, the equipment body is not limited to be horizontally placed, and the tool can be applied to detection when the equipment body is in a vertical state or an inclined state.
The invention further provides a positioning pin flatness detection method applying the positioning pin flatness detection tool.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a partial structure of a transformer;
FIG. 2 is a front view of the locating pin flatness detection tool provided by the present invention;
FIG. 3 is a side view of the moving pin of FIG. 2;
FIG. 4 is a top view of the positioning guide of FIG. 2;
FIG. 5 is a front view of the positioning guide of FIG. 2;
fig. 6 is a connection diagram of the tool and the transformer in the detection state.
In fig. 1 to 6:
1-fixing nut, 2-moving pin, 21-second connecting part, 3-positioning guide rod, 31-connecting rod, 311-guide hole, 32-positioning rod, 321-first connecting part, 41-first positioning pin, 42-second positioning pin, 43-third positioning pin and 44-fourth positioning pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide the locating pin flatness detection tool which is high in universality. The invention also provides a positioning pin flatness detection method applying the positioning pin flatness detection tool.
In the description of the present invention, it should be noted that the directions or positional relationships indicated above, below, vertically, horizontally, etc. are based on the directions or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the first, second, third and fourth are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the tool for detecting the flatness of the positioning pin, please refer to fig. 2 to 5, which includes a positioning guide rod 3 and a moving pin 2. The positioning guide rod 3 includes a connecting rod 31 and a positioning rod 32 fixed to the connecting rod 31, and a first connecting portion 321 for detachably and fixedly connecting the positioning pin is fixed to the positioning rod 32. The moving pin 2 is fixed on the connecting rod 31, the fixing position of the moving pin 2 on the connecting rod 31 is adjustable along the direction of a preset straight line, and the moving pin 2 is provided with a second connecting part 21 for detachably and fixedly connecting the positioning pin.
It should be noted that the preset linear direction is used for limiting the position relationship between the moving pin 2 and the positioning guide rod 3, specifically, the positioning guide rod 3 is used as a reference, that is, the relative position relationship between the preset linear direction and the positioning guide rod 3 is always unchanged, and when the spatial position of the positioning guide rod 3 changes, the preset linear direction also changes correspondingly.
Wherein, in order to guarantee the portability, preferred adoption aluminum alloy material preparation positioning guide rod 3 also can all adopt aluminum alloy material preparation with the frock is whole.
When the device is applied to detecting the flatness of four positioning pins on the device body, the positioning pins can be regarded as one point because the positioning pins are usually very small compared with the size of the device body. As shown in fig. 6, the first connecting portion 321 is connected to the second positioning pin 42, and after the position of the moving pin 2 on the connecting rod 31 is properly adjusted, the second connecting portion 21 is connected to the first positioning pin 41 on the device body, and the levelness of the set position of the positioning guide rod 3 is detected; detaching the tool from the first positioning pin 41 and the second positioning pin 42, connecting the first connecting part 321 to the fourth positioning pin 44, properly adjusting the position of the moving pin 2 on the connecting rod 31, connecting the second connecting part 21 to the third positioning pin 43 on the equipment body, and detecting the levelness of the same set position on the positioning guide rod 3; and judging whether the two levelness degrees are the same, if so, explaining that a connecting line of the first positioning pin 41 and the second positioning pin 42 is parallel to a connecting line of the third positioning pin 43 and the fourth positioning pin 44, and judging that the four detected positioning pins are coplanar based on the principle that two parallel lines determine one plane.
Based on the tool provided by the embodiment, whether the flatness of the positioning pin is qualified or not can be conveniently and visually detected in the manufacturing process of the equipment body, so that the equipment body can be adjusted in time, and rework caused by the flatness problem can be greatly reduced; the position of the movable pin 2 is adjustable along the preset linear direction, so that the distance between the first connecting part 321 and the second connecting part 21 can be adjusted to adapt to the distance between the positioning pins, and the universality is strong; because every two positioning pins are connected with the tool in one group, the installation of the tool cannot be influenced by a possibly existing bulge part between the positioning pins in each group on the equipment body, and the tool can be installed by crossing the bulge part; the tool is simple and light in structure, and can be used by a single person for detection; the tool has the advantages that the requirement on the placement angle of the equipment body is low during use, the equipment body is not limited to be horizontally placed, and the tool can be applied to detection when the equipment body is in a vertical state or an inclined state.
Further, the first connecting portion 321 is integrally formed on the positioning rod 32, that is, the first connecting portion 321 is fixed to the positioning rod 32 in an unadjustable manner, and can be used as a reliable reference for adjusting the position of the second connecting portion 21, thereby improving convenience in use.
Of course, in other embodiments, the first connection portion 321 may also be adjustable in a fixed position relative to the positioning rod 32.
Further, a bar-shaped guide hole 311 extending in the preset linear direction is formed in the connection rod 31, and the moving pin 2 is inserted into the guide hole 311 and fixed to the connection rod 31 by a fixing nut 1. As shown in fig. 2, the fixing nut 1 is screwed to the moving pin 2, and the head of the moving pin 2 and the fixing nut 1 clamp the connecting rod 31.
When adjusting the position of the moving pin 2, the fixing nut 1 is loosened, the moving pin 2 is moved along the extending direction of the guide hole 311, and after the distance between the first connecting portion 321 and the second connecting portion 21 is adjusted, the fixing nut 1 is tightened, and the adjusting operation is facilitated.
Of course, in other embodiments, at least two mounting holes may be disposed on the connecting rod 31 along the predetermined linear direction, and the moving pin 2 may be connected to different mounting holes to adjust the position.
Further, as shown in fig. 3, the first connecting portion 321 is a connecting hole for being sleeved on the positioning pin, and the second connecting portion 21 is a clamping groove for being clamped with the positioning pin, so that the first connecting portion 321, the second connecting portion 21 and the positioning pin can be quickly disassembled and assembled.
As shown in fig. 1, in the illustrated orientation, the first alignment pin 41 is located above the second alignment pin 42. When the detection tool is installed, the positioning hole is aligned with the second positioning pin 42, and the positioning guide rod 3 is moved from bottom to top, so that the positioning hole is sleeved on the second positioning pin 42; after the fixed position of the moving pin 2 in the mounting hole is adjusted up and down, horizontal force is applied to push the connecting rod 31 towards the first positioning pin 41, the positioning guide rod 3 can swing to a certain extent by taking the second positioning pin 42 as a center, and finally the clamping groove can clamp the first positioning pin 41 in the clamping groove through deformation. More specifically, the catching groove may be a circular arc groove. Still alternatively, the first connection portion 321 and/or the second connection portion 21 may be clips or other connection structures.
Further, the connecting rod 31 is perpendicular to the positioning rod 32 so that the positioning guide rod 3 forms an L-shaped plate for easy processing. Of course, in other embodiments, the positioning rod 32 and the connecting rod 31 may have other included angles.
In addition to the locating pin flatness detection tool, the invention also provides a locating pin flatness detection method, which is realized by applying the locating pin flatness detection tool, can be the locating pin flatness detection tool provided in any embodiment, and has the beneficial effects that the above embodiments can be referred to correspondingly.
The method specifically comprises the following steps:
sequentially connecting the positioning pin flatness detection tool with two groups of positioning pins on the equipment body, and detecting the levelness of the same set position on the positioning guide rod 3 at the same angle after each connection, wherein each group of positioning pins comprises two positioning pins on the equipment body;
and judging whether all levelness is the same, if so, judging that all positioning pins are coplanar.
When the positioning pins of each group on the positioning pin flatness detection tool and the equipment body are connected, the first connecting portion 321 and the second connecting portion 21 are respectively connected with two positioning pins in the same group, and the distance between the first connecting portion 321 and the second connecting portion 21 is the same as the distance between the two positioning pins.
Wherein, when detecting the levelness of positioning guide 3 at every turn, detect with the same angle in the same position on the equipment body, can arrange the influence of levelness check out test set's installation angle to the testing result.
Wherein, the locating pin on the equipment body is the cylindric lock usually, and the equipment body can be the transformer or other equipment that need detect the locating pin levelness.
Based on the detection method, all the modes of measuring the planeness of the positioning pin on the equipment body are needed to be judged by adopting the mode of measuring whether the two lines are on the same plane, and the key is to find out whether the planeness detection equipment is at the same angle at each measuring position in the planeness detection process, so that the whole plane is determined and the planeness measurement is realized.
Further, the levelness of the same set position on the detection positioning guide rod 3 is specifically as follows: the digital display level ruler is adopted to detect the levelness of the same set position on the positioning guide rod 3, and the measurement accuracy is higher.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The positioning pin flatness detection tool and the detection method provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. A method for detecting the planeness of a positioning pin is characterized by being realized based on a positioning pin planeness detection tool;
locating pin plane degree detects frock includes: the positioning guide rod (3) comprises a connecting rod (31) and a positioning rod (32) fixed on the connecting rod (31), and a first connecting part (321) used for detachably and fixedly connecting the positioning pin is fixed on the positioning rod (32); the moving pin (2) is fixed on the connecting rod (31), the fixed position of the moving pin (2) on the connecting rod (31) is adjustable along the direction of a preset straight line, and a second connecting part (21) used for detachably and fixedly connecting the positioning pin is arranged on the moving pin (2);
the first connecting part (321) is a connecting hole for being sleeved on the positioning pin, the second connecting part (21) is a clamping groove for clamping the positioning pin, the clamping groove is of a structure with an opening at one side, and the clamping groove can clamp the positioning pin in the clamping groove through deformation;
the method comprises the following steps:
sequentially connecting the positioning pin flatness detection tool with two groups of positioning pins on the equipment body, and detecting the levelness of the same set position on the positioning guide rod (3) at the same angle after each connection, wherein each group of positioning pins comprises two positioning pins on the equipment body;
and judging whether all the levelness is the same, if so, judging that all the positioning pins are coplanar.
2. The method for detecting the flatness of the positioning pin according to claim 1, wherein the first connecting portion (321) is integrally formed on the positioning rod (32).
3. The method for detecting the planeness of the positioning pin according to claim 2, wherein a strip-shaped guide hole (311) extending along the preset linear direction is formed in the connecting rod (31), and the moving pin (2) is inserted into the guide hole (311) and fixed to the connecting rod (31) through a fixing nut (1).
4. The method for detecting the planeness of the positioning pin according to claim 3, wherein the connecting rod (31) is arranged perpendicular to the positioning rod (32) so that the positioning guide rod (3) forms an L-shaped plate.
5. The locating pin flatness detection method according to any one of claims 1 to 4, characterized in that the detection of the levelness of the same set position on the locating guide bar (3) is specifically:
and a digital display level ruler is adopted to detect the levelness of the same set position on the positioning guide rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764843.1A CN110375702B (en) | 2019-08-19 | 2019-08-19 | Method for detecting planeness of positioning pin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910764843.1A CN110375702B (en) | 2019-08-19 | 2019-08-19 | Method for detecting planeness of positioning pin |
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| CN110375702A CN110375702A (en) | 2019-10-25 |
| CN110375702B true CN110375702B (en) | 2021-11-23 |
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| CN201910764843.1A Active CN110375702B (en) | 2019-08-19 | 2019-08-19 | Method for detecting planeness of positioning pin |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155928B (en) * | 2011-03-03 | 2012-12-19 | 西北工业大学 | Fixture for three-coordinate measuring machine of blade and method for establishing measuring coordinate system |
| CN102359750B (en) * | 2011-08-04 | 2013-05-01 | 安徽全柴动力股份有限公司 | Check fixture for detecting interference of main oil gallery and connecting rod of diesel engine cylinder block |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010012434A1 (en) * | 2009-03-27 | 2010-10-28 | Horiba Ltd. | Thermal conductivity sensor |
| CN203587011U (en) * | 2013-11-15 | 2014-05-07 | 云南西仪工业股份有限公司 | Device for detecting center distance of big head hole and small head hole of connecting rod |
| CN105135977A (en) * | 2015-10-15 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Plate spring support detection device |
| CN105571451A (en) * | 2016-03-07 | 2016-05-11 | 南京市宏伟屠宰机械制造有限公司 | Integrated caliper capable of realizing direct reading |
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