CN210922465U - Major diameter hole pitch-row inspection anchor clamps - Google Patents
Major diameter hole pitch-row inspection anchor clamps Download PDFInfo
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- CN210922465U CN210922465U CN201922023307.4U CN201922023307U CN210922465U CN 210922465 U CN210922465 U CN 210922465U CN 201922023307 U CN201922023307 U CN 201922023307U CN 210922465 U CN210922465 U CN 210922465U
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- 238000007689 inspection Methods 0.000 title claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The utility model discloses a large-diameter hole pitch inspection fixture, which comprises a positioning block, a large-hole inspection pin, a small-hole inspection pin and a bolt; wherein the locating piece is used for holding aperture inspection round pin and macropore inspection round pin, and the upper end diameter of aperture inspection round pin is identical with the aperture of the part of waiting to inspect, and the upper end diameter of macropore inspection round pin is identical with the macroporous aperture of the part of waiting to inspect, and the bolt includes handle portion and detection portion, and the diameter of detection portion is identical with the aperture of the part of waiting to inspect, and two apertures of the part of waiting to inspect can run through simultaneously in the detection portion. The utility model provides a major diameter pitch-row inspection jig has improved the production efficiency of part, has improved product quality, has gained certain economic benefits. Meanwhile, the technical level and the capability of solving practical problems are improved. And provides manufacturing basis for similar parts.
Description
Technical Field
The utility model belongs to the technical field of machining, concretely relates to major diameter pitch-row inspection jig.
Background
The pull rod type part is a structure which often appears in the field of aviation, has high material toughness, is not easy to cut and has high processing difficulty, and is widely applied to the field of aerospace. The size of the pull rod is extremely important, the size of the pull rod to be ensured is that the hole distance from two small holes to 1 large hole is 95.5 +/-0.1 mm, but in actual processing and measurement, the diameters of the two holes are large, the hole distance size is accurate, and whether the hole distance is qualified or not is difficult to directly detect.
In the conventional measurement method, a part is placed on a numerical control measuring machine and is horizontally placed, and then the actual dimension of the space is measured by a probe. However, if the measurement method is performed in a part development lot, the following disadvantages are exposed when the parts are produced in a lot: 1. the parts are difficult to be placed horizontally in the horizontal direction of the measuring machine, and errors exist in measurement; 2. the number of parts is large, and the measurement is inconvenient; 3. the measurement has more artificial factors and large errors, and if the measurement is unqualified and the repair is carried out, the error is caused by the secondary positioning measurement. 4. Need two liang of measurements respectively of three hole, detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a major diameter pitch-row inspection jig to solve the above-mentioned problem that exists among the prior art.
The technical scheme of the utility model is that:
a large-diameter hole pitch test fixture comprises a positioning block 1, a large-hole test pin 2, a small-hole test pin 3 and a plug pin 4; wherein, two stepped cylindrical slotted holes with small diameter at the lower end and large diameter at the upper end are arranged on the positioning block 1 and are respectively used for accommodating a small hole inspection pin 3 and a large hole inspection pin 2, and the distance between the centers of the two cylindrical slotted holes is the same as the standard hole distance of the large hole and the small hole of the part 5 to be inspected.
The small-hole inspection pin 3 and the large-hole inspection pin 2 are both in a stepped cylindrical shape with small diameter at the lower end and large diameter at the upper end, the diameter of the upper end of the small-hole inspection pin 3 is matched with the aperture of the small hole of the part 5 to be inspected, so that the small hole of the part 5 to be inspected is sleeved at the upper end of the small-hole inspection pin 3, and the inner wall of the small hole is attached to the outer wall of the upper end of the small-hole inspection pin 3; the diameter of the upper end of the large-hole inspection pin 2 is matched with the aperture of the large hole of the part 5 to be inspected, so that the large hole of the part 5 to be inspected is sleeved on the upper end of the large-hole inspection pin 2, and the inner wall of the large hole is attached to the outer wall of the upper end of the large-hole inspection pin 2.
The utility model discloses an effect and benefit are:
the utility model provides a major diameter pitch-row inspection jig has improved the production efficiency of part, has improved product quality, has gained certain economic benefits. Meanwhile, the technical level and the capability of solving practical problems are improved. And provides manufacturing basis for similar parts.
Specifically, the utility model provides a major diameter pitch-row inspection jig has following advantage:
1. the use of a measuring machine is avoided through the clamp, and the clamp is simple and quick;
2. the part is placed horizontally through the clamp, so that the positioning is accurate, and the measurement is real and effective;
3. the uniformity of the product is ensured, and the product quality is improved;
4. the detection fixture can conveniently and quickly detect the hole distance of 3 holes.
Drawings
FIG. 1 is a schematic view of a part to be inspected.
Fig. 2 is a front view of a large-diameter hole pitch inspection jig provided in an embodiment of the present invention.
Fig. 3 is a front view of the plug pin of the large-diameter hole pitch inspection jig provided in the embodiment of the present invention.
Fig. 4 is a schematic view of a large-diameter hole pitch inspection jig provided in an embodiment of the present invention.
In the figure: 1, positioning a block; 2, a large-hole inspection pin; 3 small hole inspection pin; 4, inserting a pin; 401 a handle portion; 402 a detection unit; 5 parts to be inspected.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
It is to be understood that the appended drawings are not to scale, but are merely drawn with appropriate simplifications to illustrate various features of the basic principles of the invention. Specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, locations, and configurations, will be determined in part by the particular intended application and environment of use.
In the several figures of the drawings, identical or equivalent components (elements) are referenced with the same reference numerals.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
FIG. 1 is a schematic view of a part to be inspected, referring to FIG. 1, in this embodiment, a large hole is formed at one end of the part to be inspected, two small holes are formed at two arms at the other end, projections of the two small holes in the vertical direction are overlapped (coaxial), and the diameter of the large hole is larger than that of the two small holes
Greater than the diameter of the small hole
The standard hole distance between the big holes and the small holes is d 95.5 +/-0.1 mm.
Fig. 2 is a front view of a large-diameter hole pitch inspection jig provided in an embodiment of the present invention. Fig. 3 is a front view of the plug pin of the large-diameter hole pitch inspection jig provided in the embodiment of the present invention. Fig. 4 is a schematic view of a large-diameter hole pitch inspection jig provided in an embodiment of the present invention. Referring to fig. 2 to 4, in the present embodiment, the large-diameter hole pitch inspection jig includes a positioning block 1, a large-hole inspection pin 2, a small-hole inspection pin 3, and a plug pin 4; wherein set up two cylindrical slotted holes that the lower extreme diameter is little, the upper end diameter is big and is the echelonment on the locating piece 1, be used for holding aperture inspection round pin 3 and macropore inspection round pin 2 respectively, the distance of the center of two cylindrical slotted holes is the same with the standard pitch-row of the macropore and the aperture of part 5 that awaits inspecting, in this embodiment, the distance d' of the center of two cylindrical slotted holes is 95.5 +/-0.1 mm.
The small hole inspection pin 3 and the large hole inspection pin 2 are both in a step-shaped cylinder shape with small lower end diameter and large upper end diameter, the upper end diameter of the small hole inspection pin 3 is matched with the aperture of the small hole of the part 5 to be inspected, so that the small hole of the part 5 to be inspected is sleeved at the upper end of the small hole inspection pin 3, the inner wall of the small hole is attached to the upper end outer wall of the small hole inspection pin 3, the upper end diameter of the large hole inspection pin 2 is matched with the aperture of the large hole of the part 5 to be inspected, so that the large hole of the part 5 to be inspected is sleeved at the upper end of the large hole inspection pin 2, and the inner wall of the large. Specifically, in the present embodiment, the diameter D4 of the upper end of the large hole inspection pin 2 is
The diameter D3 of the upper end of the small hole inspection pin 3 is
Use the utility model provides a method that major diameter pitch-row check fixture examined, including following step:
step 1: placing the large-diameter hole pitch inspection fixture on a horizontal workbench, and also placing the part 5 to be inspected on the workbench;
step 2: inserting the pin 4 simultaneously into two of the parts 5 to be checked
Detecting whether the two holes are coaxial or not in the hole;
and step 3: after the detection holes are coaxial, any one of the parts 5 to be detected is detected
The holes being placed on small-hole inspection pins 3 and, at the same time, of parts 5 to be inspected
Is placed on the macro porous checker pin 2.
And 4, step 4: if it is
And
the two holes can be inserted on two inspection pins of the inspection fixture with the large-diameter hole pitch, so that the part inspection is finished, and if the two holes cannot penetrate simultaneously, the part is detected to be unqualified.
It can be seen that the large-diameter hole pitch inspection fixture can detect the pitch of three holes, firstly, the bolt 4 is used for detecting whether two small holes are coaxial, and on the premise of coaxiality, the large-hole inspection pin 2 and the small-hole inspection pin 3 are used for detecting that the pitch of two small holes to 1 large hole is 95.5 +/-0.1 mm, all the machining sizes of the inspection fixture are required to be high in precision, and particularly, the matching size of the holes and the pins is g6/JS 6.
The above description of exemplary embodiments has been presented only to illustrate the technical solutions of the present invention, and is not intended to be exhaustive or to limit the present invention to the precise forms described. Obviously, many modifications and variations are possible in light of the above teaching to those skilled in the art. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to thereby enable others skilled in the art to understand, implement and utilize the invention in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.
Claims (1)
1. The large-diameter hole pitch inspection clamp is characterized by comprising a positioning block (1), a large-hole inspection pin (2), a small-hole inspection pin (3) and a plug pin (4); wherein,
the positioning block (1) is provided with two stepped cylindrical slotted holes with small diameter at the lower end and large diameter at the upper end, and the two stepped cylindrical slotted holes are respectively used for accommodating the small hole inspection pin (3) and the large hole inspection pin (2), and the distance between the centers of the two cylindrical slotted holes is the same as the standard hole distance of the large hole and the small hole of the part (5) to be inspected;
the small-hole inspection pin (3) and the large-hole inspection pin (2) are both in a step-shaped cylinder shape with small diameter at the lower end and large diameter at the upper end, the diameter of the upper end of the small-hole inspection pin (3) is matched with the aperture of the small hole of the part to be inspected (5), so that the small hole of the part to be inspected (5) is sleeved at the upper end of the small-hole inspection pin (3), and the inner wall of the small hole is attached to the outer wall of the upper end of the small-hole inspection pin (3); the diameter of the upper end of the large-hole inspection pin (2) is matched with the aperture of a large hole of the part to be inspected (5), so that the large hole of the part to be inspected (5) is sleeved at the upper end of the large-hole inspection pin (2), and the inner wall of the large hole is attached to the outer wall of the upper end of the large-hole inspection pin (2);
bolt (4) including handle portion (401) and detection portion (402), handle portion (401) is connected with detection portion (402), detection portion (402) are the cylinder, the diameter of detection portion (402) is identical with the aperture of part (5) of waiting to examine, and detection portion (402) can run through two apertures of part (5) of waiting to examine simultaneously to detect whether two apertures are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023307.4U CN210922465U (en) | 2019-11-21 | 2019-11-21 | Major diameter hole pitch-row inspection anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023307.4U CN210922465U (en) | 2019-11-21 | 2019-11-21 | Major diameter hole pitch-row inspection anchor clamps |
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| Publication Number | Publication Date |
|---|---|
| CN210922465U true CN210922465U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922023307.4U Active CN210922465U (en) | 2019-11-21 | 2019-11-21 | Major diameter hole pitch-row inspection anchor clamps |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715595A (en) * | 2019-11-21 | 2020-01-21 | 沈阳飞机工业（集团）有限公司 | Major diameter hole pitch-row inspection anchor clamps |
-
2019
- 2019-11-21 CN CN201922023307.4U patent/CN210922465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715595A (en) * | 2019-11-21 | 2020-01-21 | 沈阳飞机工业（集团）有限公司 | Major diameter hole pitch-row inspection anchor clamps |
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