CN211373982U - Improve frock subassembly, vibration test anchor clamps of vibration test anchor clamps commonality - Google Patents
Improve frock subassembly, vibration test anchor clamps of vibration test anchor clamps commonality Download PDFInfo
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- CN211373982U CN211373982U CN201922229497.5U CN201922229497U CN211373982U CN 211373982 U CN211373982 U CN 211373982U CN 201922229497 U CN201922229497 U CN 201922229497U CN 211373982 U CN211373982 U CN 211373982U
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Abstract
For making test fixture satisfy the commonality requirement, the utility model provides an improve frock subassembly, the vibration test fixture of vibration test fixture commonality. The tool assembly comprises three tool units; the first tool unit comprises a plurality of first tools, the second tool unit comprises a plurality of second tools, and the third tool unit comprises a plurality of third tools; the first tool and the third tool are identical in structure and different in size; the single tool is provided with a countersunk through hole, and the external shape of the single tool is matched with the internal shape of the largest-specification countersunk hole of the vibration test fixture; first frock size: the diameter of the screw head of M8mm is more than d1 and less than 25.5mm, the diameter of the screw head of M8mm is more than d2 and less than 17.0mm, and the height of the screw head of M8mm is more than d2 and less than 17.0 mm; the size of the second tool is as follows: the diameter of the screw head of M10mm is more than d1 and less than 25.5mm, the diameter of the screw head of 10.0mm is more than d2 and less than 17.0mm, and the height of the screw head of M10mm is more than d2 and less than 17.0 mm; the third tool size: the diameter of the screw head of M12mm is more than d1 and less than 25.5mm, the diameter of the screw head of M12mm is more than d2 and less than 17.0mm, the height of the screw head of M12mm is more than d2 and less than 17.0 mm; d1 is the large hole inner diameter of the countersunk head through hole, d2 is the small hole inner diameter, and d3 is the large hole height.
Description
Technical Field
The utility model belongs to the technical field of the vibration test, a improve tool assembly of vibration test anchor clamps commonality is related to and adopt the vibration test anchor clamps of this tool assembly.
Background
The vibration test becomes an important means for verifying the reliability of aerospace, aviation, ship, military ground and civil equipment, and is mainly used for verifying the adaptability of the whole equipment, parts and the like under expected or specified vibration conditions, checking whether the equipment can normally work under the vibration conditions and meeting the use requirements.
At present, vibration tests are mainly carried out on an electromagnetic vibration table, and the working principle of the vibration tests is that a constant magnetic field and a coil which is positioned in the magnetic field and is provided with a certain alternating current interact with each other, so that a certain excitation force is generated. When the equipment is subjected to a vibration test, the tested equipment is generally required to be rigidly connected with the vibration table through a test fixture. The test fixture is used as a mechanical transition piece, and not only needs to provide a mechanical interface matched with equipment, but also needs to provide a mechanical interface matched with a vibration table top, so that the equipment and the vibration table can be rigidly connected through screws (generally using hexagon socket head cap screws).
The mounting holes of the table top of the vibrating table are threaded holes, the diameters of the threaded holes of the vibrating table are different in size, specifications such as phi 8mm, phi 10mm, phi 12mm and phi 16mm are common, and in order to ensure the rigidity requirement of the connection of the test fixture and the table top of the vibrating table, countersunk holes of phi 9mm, phi 11mm, phi 13.5mm and phi 17.5mm are generally designed in a corresponding mode on the mechanical interface of the test fixture, namely the countersunk holes of different diameters are designed on the vibrating table of different threaded hole diameters by the test fixture.
At the different stages of equipment development process, often need carry out vibration test many times, and the shaking table is as a comparatively scarce resource, and not the shaking table that can both coordinate the same screw hole aperture at every turn experimental, this just needs to process the test fixture in two to three or even more different counter sink apertures for same equipment design, need invest more manpower, material resources like this, improved equipment development cost greatly, especially to the very nervous space equipment of development cycle, design a plurality of test fixture of processing often can influence the development progress. In view of the above circumstances, it is an urgent need to solve the problem of designing a universal test fixture or enabling a test fixture to have universal functions by a device, such as a device developer and a vibration test researcher.
SUMMERY OF THE UTILITY MODEL
In order to make test fixture satisfy the commonality requirement, reduce equipment development cost, the utility model provides an improve frock subassembly, the vibration test fixture of vibration test fixture commonality can make the test fixture in only a counter sink aperture install on the shaking table in different screw hole apertures under the prerequisite that does not change existing test fixture, satisfies the commonality requirement.
The technical scheme of the utility model is that:
the utility model provides an improve frock subassembly of vibration test anchor clamps commonality which the special character lies in: the device comprises a first tool unit, a second tool unit and a third tool unit;
the first tool unit comprises a plurality of mutually independent first tools, the second tool unit comprises a plurality of mutually independent second tools, and the third tool unit comprises a plurality of mutually independent third tools;
the first tool, the second tool and the third tool are identical in structure and different in size;
a countersunk through hole is formed in each tool, and the external shape of each tool is matched with the internal shape of the largest-specification countersunk hole of the vibration test fixture;
the inner diameter of a large hole of the countersunk head through hole on a single tool is defined as d1, the inner diameter of a small hole is defined as d2, and the height of the large hole is defined as d3, then
Countersunk head through-hole size does on first frock: the diameter of the screw head of M8mm is more than d1 and less than 25.5mm, the diameter of the screw head of M8mm is more than d2 and less than 17.0mm, and the height of the screw head of M8mm is more than d2 and less than 17.0 mm;
the size of the countersunk head through hole on the second tool is as follows: the diameter of the screw head of M10mm is more than d1 and less than 25.5mm, the diameter of the screw head of 10.0mm is more than d2 and less than 17.0mm, and the height of the screw head of M10mm is more than d2 and less than 17.0 mm;
the size of the countersunk head through hole on the third tool is as follows: the diameter of the screw head of M12mm is less than d1 and less than 25.5mm, the diameter of the screw head of M12mm is less than d2 and less than 17.0mm, and the height of the screw head of M12mm is less than d2 and less than 17.0 mm.
Preferably, the size of the countersunk head through hole on the first tool is as follows: d 1-15.0 mm, d 2-9.0 mm, d 3-9.0 mm; the size of countersunk head through hole on the second tool is: d 1-18.0 mm, d 2-11.0 mm, d 3-11.0 mm; the size of the countersunk head through hole on the third tool is as follows: d 1-20.0 mm, d 2-13.0 mm and d 3-13.5 mm.
Preferably, the first tool, the second tool and the third tool are made of aluminum or steel.
The utility model also provides a vibration test fixture, which is provided with a plurality of counter bores; it is characterized in that: the tool assembly is further included; the tool assembly is matched with the plurality of counter bores for use.
The utility model has the advantages that:
1. the utility model provides a design vibration test universal fixturing's new thinking, under the prerequisite that does not change any size of current test fixturing itself, adopt the utility model discloses a frock subassembly and test fixturing cooperation for test fixturing's counter sink aperture has the variability, reaches general purpose.
2. The utility model discloses a frock subassembly size is little, light in weight, design processing is simple, low price, structure are reliable, the installation is simple swift, sustainable used repeatedly, but after the application greatly reduced vibration test and equipment development cost shorten vibration test and equipment development cycle greatly, guarantee the task progress, to space flight, aviation, boats and ships and the military and civilian equipment development in ground, especially have very strong practical value to space flight equipment development, worth promoting to the whole country.
Drawings
Fig. 1 is a schematic structural view of a single tool in the tool assembly of the present invention.
Fig. 2 is a schematic diagram of a phi 17.5mm counter bore on a conventional vibration test fixture.
Fig. 3 is the utility model discloses in the frock subassembly single frock and the counter sink cooperation sketch map on the vibration test anchor clamps.
Description of reference numerals: 1-countersunk through hole, 2-countersunk hole, 3-second tool and 4-vibration test fixture.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Although shaking table mesa screw hole aperture diverse, its pitch-row generally only has a specification (most shaking table mesa screw hole pitch-row is 100mm), and this just makes the design the utility model discloses need not to consider shaking table mesa screw hole pitch-row factor during the frock subassembly, only need consider the problem that adapts to different screw hole apertures can.
The utility model discloses a tool assembly comprises a first tool unit, a second tool unit and a third tool unit;
the first tool unit comprises a plurality of mutually independent first tools, the second tool unit comprises a plurality of mutually independent second tools, and the third tool unit comprises a plurality of mutually independent third tools;
the first tool, the second tool and the third tool are identical in structure and different in size; the first tool, the second tool and the third tool can be made of materials such as aluminum, steel or stainless steel, and can be freely selected according to different requirements in practice.
The structure of a single tool is shown in figure 1, and in consideration of universality, the external shape and the size of the tool are matched with the internal shape of a counter sink 2 (shown in figure 2) with the maximum specification of phi 17.5mm in the specification of the counter sink of the test fixture, and the inside of the tool is provided with a counter sink through hole 1; the inner diameter of a large hole of a countersunk head through hole 1 on a single tool is defined as d1, the inner diameter of a small hole is defined as d2, and the height of the large hole is defined as d3, then the sizes of the countersunk head through holes 1 corresponding to the first tool, the second tool and the third tool are shown in the following table:
table 1 tooling assembly dimensions table unit: mm is
| Corresponding to the specification of the screw | M8 | M10 | M12 |
| Countersunk through hole size | First tool | Second tool | Third tool |
| d1 | 15.0 | 18.0 | 20.0 |
| d2 | 9.0 | 11.0 | 13.0 |
| d3 | 9.0 | 11.0 | 13.5 |
When the vibration test fixture is installed on the table top of a vibration table with a threaded hole with the specification of phi 16mm, the vibration test fixture and the vibration table can be directly fastened by using an M16mm screw without the need of a tool assembly of the utility model;
when the vibration test anchor clamps and the shaking table mesa installation of phi 8mm, phi 10mm, phi 12mm specification screw hole, will earlier the utility model discloses the frock of corresponding size is installed in the vibration test anchor clamps countersunk head in the frock subassembly, then the screw-up of the corresponding specification of reuse, as shown in fig. 3.
Use shaking table mesa screw hole aperture phi 10mm as an example below, briefly introduce the use the utility model discloses a tool assembly carries out rigid connection's implementation method with vibration test anchor clamps and shaking table mesa that counter sink aperture is phi 17.5 mm:
1. placing the vibration test fixture 4 on the table top of the vibration table, and roughly aligning a counter bore on the vibration test fixture 4 with a threaded hole on the table top of the vibration table;
2. selecting a second tool 3 with d1 being 18.0mm, d2 being 11.0mm and d3 being 11.0mm, and sequentially placing the second tool 3 into each countersunk hole of the vibration test fixture 4;
3. sequentially placing M10mm socket head cap screws (not shown in the figure) into the second tool 3;
4. adjusting the position of the vibration test clamp 4 to align the M10mm socket head cap screw with a threaded hole on the table top of the vibration table;
5. and (3) tightening each M10mm socket head cap screw to a proper torque by using a socket head cap wrench to complete the rigid connection of the vibration test clamp and the vibration table top.
Claims (4)
1. The utility model provides an improve frock subassembly of vibration test anchor clamps commonality which characterized in that: the device comprises a first tool unit, a second tool unit and a third tool unit;
the first tool unit comprises a plurality of mutually independent first tools, the second tool unit comprises a plurality of mutually independent second tools, and the third tool unit comprises a plurality of mutually independent third tools;
the first tool, the second tool and the third tool are identical in structure and different in size;
a countersunk through hole is formed in each tool, and the external shape of each tool is matched with the internal shape of the largest-specification countersunk hole of the vibration test fixture;
the inner diameter of a large hole of the countersunk head through hole on a single tool is defined as d1, the inner diameter of a small hole is defined as d2, and the height of the large hole is defined as d3, then
Countersunk head through-hole size does on first frock: the diameter of the screw head of M8mm is more than d1 and less than 25.5mm, the diameter of the screw head of M8mm is more than d2 and less than 17.0mm, and the height of the screw head of M8mm is more than d2 and less than 17.0 mm;
the size of the countersunk head through hole on the second tool is as follows: the diameter of the screw head of M10mm is more than d1 and less than 25.5mm, the diameter of the screw head of 10.0mm is more than d2 and less than 17.0mm, and the height of the screw head of M10mm is more than d2 and less than 17.0 mm;
the size of the countersunk head through hole on the third tool is as follows: the diameter of the screw head of M12mm is less than d1 and less than 25.5mm, the diameter of the screw head of M12mm is less than d2 and less than 17.0mm, and the height of the screw head of M12mm is less than d2 and less than 17.0 mm.
2. The tool assembly for improving the universality of the vibration test fixture according to claim 1, is characterized in that: the size of countersunk head through hole on the first tool is: d 1-15.0 mm, d 2-9.0 mm, d 3-9.0 mm;
the size of countersunk head through hole on the second tool is: d 1-18.0 mm, d 2-11.0 mm, d 3-11.0 mm;
the size of the countersunk head through hole on the third tool is as follows: d 1-20.0 mm, d 2-13.0 mm and d 3-13.5 mm.
3. The tool assembly for improving the universality of the vibration test fixture according to claim 1 or 2, is characterized in that: the first tool, the second tool and the third tool are made of aluminum or steel.
4. A vibration test fixture has a plurality of counter bores; the method is characterized in that: further comprising the tooling assembly of claim 1, 2 or 3; the tool assembly is matched with the plurality of counter bores for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922229497.5U CN211373982U (en) | 2019-12-13 | 2019-12-13 | Improve frock subassembly, vibration test anchor clamps of vibration test anchor clamps commonality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922229497.5U CN211373982U (en) | 2019-12-13 | 2019-12-13 | Improve frock subassembly, vibration test anchor clamps of vibration test anchor clamps commonality |
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| CN211373982U true CN211373982U (en) | 2020-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024345A (en) * | 2019-12-13 | 2020-04-17 | 中国科学院西安光学精密机械研究所 | Improve frock subassembly, vibration test anchor clamps of vibration test anchor clamps commonality |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024345A (en) * | 2019-12-13 | 2020-04-17 | 中国科学院西安光学精密机械研究所 | Improve frock subassembly, vibration test anchor clamps of vibration test anchor clamps commonality |
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Effective date of registration: 20230907 Address after: Room 403, Building 2, Changling Industrial Park, No. 901, West Section of Biyuan 1st Road, High tech Zone, Xi'an City, Shaanxi Province, 710065 Patentee after: Xi'an zhongkexi optical Photoelectric Technology Co.,Ltd. Address before: 710119, No. 17, information Avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an Patentee before: XI'AN INSTITUTE OF OPTICS AND PRECISION MECHANICS OF CAS |