CN211291282U - Device for rapidly detecting space size of lower movable supporting part - Google Patents
Device for rapidly detecting space size of lower movable supporting part Download PDFInfo
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- CN211291282U CN211291282U CN201921970570.8U CN201921970570U CN211291282U CN 211291282 U CN211291282 U CN 211291282U CN 201921970570 U CN201921970570 U CN 201921970570U CN 211291282 U CN211291282 U CN 211291282U
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Abstract
The utility model belongs to the part detection technology, and provides a device for quickly detecting the space size of a lower movable support part, wherein a vertical plate of a base (1) is provided with two circular blind holes and a chute, a large end plane of a part (9) is tightly attached to the vertical plate, two holes at the left side of the large end of the part (9) are respectively aligned with two circular blind holes at the left side of the vertical plate, a positioning round pin (2) and a positioning diamond pin (3) are respectively inserted, a lug hole at the left side of the small end of the part (9) is aligned with the circular blind hole at the left side of the horizontal plate, a lug left positioning pin (5) is inserted, a detection round pin (4) is inserted into a third hole of the vertical plate of the base (1) to detect three holes at the large end of the part (9), a lug right positioning pin (6) is inserted into a right lug hole at the small end of the part (9), a sliding stop block (7) is arranged in the chute and, and plugging a standard plug gauge (8) into a plane between the sliding stop block (7) and the small end of the part.
Description
Technical Field
The invention belongs to a part detection technology and relates to a device for rapidly detecting the space size of a lower limit movement supporting part of a certain helicopter.
Background
The lower limit of a certain type of helicopter moves support part and is the helicopter rotor system paddle and waves the state during operation from top to bottom, develops the key part that the paddle waved the angle down, because of the structure assembly demand, the part has many places high accuracy and space size, only can rely on three coordinate measuring equipment to detect at present stage, and can only detect after the part is whole to accomplish processing. The measurement can not be carried out in the process, the scrapping loss of parts is reduced, the detection efficiency is low, and the cost is high. In order to realize the quick, effective and accurate measurement of the part and measure the part in a machining process, the on-machine detection performance of the part is improved, the detection efficiency is improved, the detection cost is reduced, and a device capable of quickly measuring the space size of the part is designed.
Disclosure of Invention
The purpose of the invention is as follows: the device of limiting the space size of the supporting part under the quick detection is released to satisfy the quick and accurate measurement of limiting the supporting part under a certain helicopter, realize the detection between the processes, improve the detectability between the product processes, and reduce the scrapping risk and the processing cost.
The technical scheme is as follows:
an apparatus for rapidly detecting the spatial dimension of a lower movable support part, comprising:
the device comprises a base 1, a positioning round pin 2, a positioning diamond pin 3, a detection round pin 4, a lug left positioning pin 5, a lug right positioning pin 6, a sliding stop dog 7 and a standard plug gauge 8;
the base 1 is an L-shaped structure and is provided with a vertical plate and a horizontal plate, three circular blind holes are arranged on the vertical plate, two circular blind holes and a sliding groove are arranged on the vertical plate, a part 9 is placed on the base 1, the plane of the large end of the part 9 is tightly attached to the vertical plate, two holes on the left side of the large end of the part 9 are respectively aligned with two circular blind holes on the left side of the vertical plate, a positioning round pin 2 and a positioning diamond pin 3 are respectively inserted, a lug hole on the left side of the small end of the part 9 is aligned with the circular blind hole on the left side of the horizontal plate, a lug left positioning pin 5 is inserted, the part 9 is roughly positioned on a detection device, a detection round pin 4 is inserted into a third hole of the vertical plate of the base 1 to detect three holes on the large end of the part 9, a lug right positioning pin 6 of the lug is inserted into a lug hole on the right side of the small end of the part 9, a sliding stop dog, the standard plug gauge 8 is plugged into the plane between the sliding block 7 and the small end of the part.
The base 1 is placed on a horizontal table to ensure that the base is in a horizontal state during measurement.
The contact area of the base 1 and the part and the bottom plane need to be ground, and the surface roughness Ra0.4 and the parallelism 0.02 mm are guaranteed.
The outer circles of the positioning round pin 2, the positioning diamond-shaped pin 3 and the detection round pin 4 need to be ground and ensure that the roundness of the outer circle is within 0.02 mm and the surface roughness Ra0.4,
the sizes of the positioning round pin 2, the positioning diamond-shaped pin 3 and the detection round pin 4 are in clearance fit with the inner hole of the part, and the clearance value is guaranteed to be within 0.01 mm.
The outer circles of the lug left positioning pin 5 and the lug right positioning pin 6 need to be ground, and the roundness of the outer circles is guaranteed to be within 0.02 mm and the surface roughness Ra0.4.
The excircle of the lug left positioning pin 5 and the excircle of the lug right positioning pin 6 are in clearance fit with the inner hole of the part, and the clearance value is guaranteed to be within 0.02 mm.
The sliding stop block 7 is attached to and tightly pushed against the end face of the lug of the part, and the attaching face needs to be ground, so that the flatness is guaranteed within 0.02 mm, and the roughness is Ra0.4.
The standard plug gauge 8 is specially made according to the size of a part, and the end face is ground to ensure that the roughness Ra0.4 is less.
Has the advantages that:
the device is convenient for the part to press from both sides tightly fixedly fast. The device has the advantages of repeated use, consistent repeated positioning precision and positioning precision, convenience in use, rapidness and accuracy in positioning, reasonable and simple size control, capability of rapidly measuring the hole spacing, the space radius, the space angle and part of linear size of the part after measurement and identification are qualified, capability of judging whether the part is qualified or not, greatly improved detection efficiency and accuracy of the lower limiting support part, and great significance for inter-process and general inspection.
Drawings
FIG. 1 is a front view of the structure of the present invention.
FIG. 2 is a top view of the structure of the present invention.
Fig. 3 is a left side view of the structure of the present invention.
Fig. 4 is a front view of the application state of the present invention.
Fig. 5 is a top view of the present invention in an applied state.
Fig. 6 is a left side view of the application state of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
An apparatus for rapidly detecting the spatial dimension of a lower movable supporting part, as shown in fig. 1-6, comprises:
the base 1 is L shape structure, has vertical board and horizontal plate, has three circular blind hole on vertical board, has two circular blind holes and a spout on vertical board, mountable slip dog 7 in the spout, and standard plug gauge 8 is the moving part, hugs closely slip dog 7 during the detection and carries out the detection between slip dog 7 and part tip plane. When the detection device is used, the detection device is placed on a horizontal table, the detection device is guaranteed to be in a horizontal state during measurement, the part 9 is placed on the base 1, the large end plane of the part is in contact with the vertical plate, and the small end plane of the part is in contact with the horizontal plate. At first closely laminate part big end plane and vertical board, two holes in part big end left side aim at two circular blind holes in left side on the vertical board respectively, insert location round pin 2 and location diamond pin 3 respectively, the circular blind hole in horizontal plate left side is aimed at in part tip left side auricle pore pair, insert auricle left side locating pin 5, carry out coarse positioning with the part on detection device, at this moment, insert and detect round pin 4 and detect three holes in part big end, if detect round pin 4 can insert in the third hole, then the spatial position and the angle size in three hole on the circumference are qualified. After the detection round pin 4 is inserted to complete the detection of three holes at the large end, the lug right positioning pin 6 is inserted into the right lug hole at the small end of the part, if the lug right positioning pin 6 can be inserted into the right lug hole at the small end of the part, the distance between the centers of the left lug hole and the right lug hole at the small end of the part is qualified, and the distance between the connecting line of the centers of the two holes and the vertical plate of the base 1 is qualified. After the detection of three holes of the big end of the part and two holes of the lug of the small end of the part is finished, the sliding stop dog 7 is installed in the middle of the sliding groove, is tightly attached to the end face of the lug of the part and is pressed manually, at the moment, the standard plug gauge 8 is plugged into a plane between the sliding stop dog 7 and the small end of the part, and the height and the size of the lug are qualified if the standard plug gauge 8 can be inserted and has no obvious gap or shaking. And then, the spatial position and the angular size of three holes at the large end and two holes at the small end of the lower limit movable support part and the size detection of the height of the lug at the small end of the part are completed.
Grinding is needed to be carried out on the contact area of the base 1 and the part and the bottom plane, and the surface roughness Ra0.4 and the parallelism degree 0.02 mm are guaranteed; the outer circle of the round pin 4 needs to be ground, the roundness of the outer circle is guaranteed to be within 0.02 mm and the surface roughness Ra0.4, clearance fit with the size of the inner hole of the part is guaranteed, and the clearance value is guaranteed to be within 0.01 mm; the outer circles of the lug left positioning pin 5 and the lug right positioning pin 6 need to be ground, the roundness of the outer circle is guaranteed to be within 0.02 mm and the surface roughness Ra0.4 is guaranteed to be within 0.02 mm, meanwhile, the clearance fit with the size of an inner hole of a part is guaranteed, and the clearance value is guaranteed to be within 0.02 mm; the sliding stop block 7 can be quickly detached and attached to and tightly pushed against the end face of the lug of the part, and the attaching face needs to be ground to ensure that the flatness is within 0.02 mm and the roughness is within Ra0.4; the standard plug gauge 8 is specially made according to the size of a part, and the end face is ground to ensure that the roughness Ra0.4 is less.
Claims (9)
1. The utility model provides a move device that supports part space size under short-term test which characterized in that includes:
the device comprises a base (1), a positioning round pin (2), a positioning diamond pin (3), a detection round pin (4), a lug left positioning pin (5), a lug right positioning pin (6), a sliding stop block (7) and a standard plug gauge (8);
the base (1) is of an L-shaped structure and is provided with a vertical plate and a horizontal plate, three circular blind holes are formed in the vertical plate, two circular blind holes and a sliding groove are formed in the vertical plate, a standard plug gauge (8) is a movable part, a part (9) is arranged on the base (1), the plane of the large end of the part (9) is tightly attached to the vertical plate, two holes in the left side of the large end of the part (9) are respectively aligned to two circular blind holes in the left side of the vertical plate and are respectively inserted with a positioning round pin (2) and a positioning diamond pin (3), a lug hole in the left side of the small end of the part (9) is aligned to a circular blind hole in the left side of the horizontal plate and is inserted with a lug left positioning pin (5), a detection round pin (4) is inserted into a third hole in the vertical plate of the base (1), a lug right positioning pin (6) is inserted into a lug hole in the right side of the small end of the part (, the standard plug gauge (8) is plugged in a plane between the sliding stop block (7) and the small end of the part.
2. The device for rapidly detecting the space size of the lower limit movement supporting part as claimed in claim 1, wherein the base (1) is placed on a horizontal table to ensure that the device is in a horizontal state during measurement.
3. The device for rapidly detecting the spatial dimension of the lower limit movement supporting part as claimed in claim 1,
the contact area of the base (1) and the part and the bottom plane need to be ground, and the surface roughness Ra0.4 and the parallelism 0.02 mm are guaranteed.
4. The device for rapidly detecting the spatial dimension of the lower limit movement supporting part as claimed in claim 1,
the outer circles of the positioning round pin (2), the positioning diamond-shaped pin (3) and the detection round pin (4) need to be ground, and the roundness of the outer circle is guaranteed to be within 0.02 mm and the surface roughness Ra0.4 is guaranteed to be within.
5. An apparatus for rapidly detecting the spatial dimension of a lower movable supporting member as defined in claim 4,
the sizes of the positioning round pin (2), the positioning diamond-shaped pin (3) and the detection round pin (4) are in clearance fit with the inner hole of the part, and the clearance value is guaranteed to be within 0.01 mm.
6. The device for rapidly detecting the spatial dimension of the lower limit movement supporting part as claimed in claim 1,
the outer circles of the lug left positioning pin (5) and the lug right positioning pin (6) need to be ground, and the roundness of the outer circle is guaranteed to be within 0.02 mm and the surface roughness Ra0.4.
7. An apparatus for rapidly detecting the spatial dimension of a lower movable supporting part as claimed in claim 6,
the excircle of the lug left positioning pin (5) and the excircle of the lug right positioning pin (6) are in clearance fit with the inner hole of the part, and the clearance value is ensured to be within 0.02 mm.
8. The device for rapidly detecting the spatial dimension of the lower limit movement supporting part as claimed in claim 1,
the sliding stop block (7) is attached to and tightly pushed against the end face of the lug of the part, and the attaching face needs to be ground, so that the flatness is guaranteed within 0.02 mm, and the roughness is Ra0.4.
9. The device for rapidly detecting the spatial dimension of the lower limit movement support part as claimed in claim 1, characterized in that the standard plug gauge (8) is specially made according to the dimension of the part, and the end face is ground to ensure that the roughness Ra0.4 is less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970570.8U CN211291282U (en) | 2019-11-14 | 2019-11-14 | Device for rapidly detecting space size of lower movable supporting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970570.8U CN211291282U (en) | 2019-11-14 | 2019-11-14 | Device for rapidly detecting space size of lower movable supporting part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291282U true CN211291282U (en) | 2020-08-18 |
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ID=72013316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921970570.8U Active CN211291282U (en) | 2019-11-14 | 2019-11-14 | Device for rapidly detecting space size of lower movable supporting part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291282U (en) |
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2019
- 2019-11-14 CN CN201921970570.8U patent/CN211291282U/en active Active
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