CN204160354U - A kind of universal fixturing for completing spherical thin-walled workpiece vibration test - Google Patents
A kind of universal fixturing for completing spherical thin-walled workpiece vibration test Download PDFInfo
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- CN204160354U CN204160354U CN201420521340.4U CN201420521340U CN204160354U CN 204160354 U CN204160354 U CN 204160354U CN 201420521340 U CN201420521340 U CN 201420521340U CN 204160354 U CN204160354 U CN 204160354U
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Abstract
A kind of universal fixturing for completing spherical thin-walled workpiece vibration test of the utility model, comprise bottom surface platform and agent structure, the lower boundary of described bottom surface platform and agent structure welds together, described bottom surface platform is a Circular Plate, described agent structure is that a flat board is rolled by hot bending and is curled into a cylinder-like structure, described agent structure is evenly distributed with some rectangle loss of weight through holes, for alleviating structure gross mass, convenient test is simultaneously installed, supporting construction is provided with between described two rectangle loss of weight through holes, described supporting construction and up-down structure junction are provided with chamfering, described agent structure upper limb is provided with somely joins punching, described agent structure upper edge portion is provided with some half elliptic escape groove, for dodging in test test specimen correlated parts, described bottom surface platform is provided with some connecting screw holes, for being connected with vibration table.The utility model reduces test installation difficulty, improves operating efficiency.
Description
Technical field
The utility model belongs to vibration tong scope, is specifically related to a kind of universal fixturing for completing spherical thin-walled workpiece vibration test.
Background technology
Certain spherical thin-walled workpiece is for design first, the design of this class formation both at home and abroad and the introduction of analysis aspect little, diaphragm eversion pressure influence factor is many, Analysis of Complex, for improving the reliability of product, independent spherical thin-walled workpiece vibration test need be carried out the risk that spherical thin-walled workpiece may exist is identified and verified.This spherical thin-walled workpiece needs the vibration test of carrying out three directions in process of the test, and therefore, test fixture needs to have certain versatility, facilitates the change of trystate.Meanwhile, this thin-walled workpiece is spherical, if jig Design is undesirable, extremely easily makes spherical structure generation fine rotation in process of the test, impact test effect; Finally, spherical thin-walled workpiece completes with frock and docks, and assembly needs to ensure not interfere with vibration stage body, and the fundamental frequency demand fulfillment of vibration tool is not less than the requirement of testpieces fundamental frequency 3 ~ 5 times.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of universal fixturing for completing spherical thin-walled workpiece vibration test, for completing spherical thin-walled workpiece vibration test smoothly.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of universal fixturing for completing spherical thin-walled workpiece vibration test, comprise bottom surface platform and agent structure, the lower boundary of described bottom surface platform and agent structure welds together, described bottom surface platform is a Circular Plate, described agent structure is that a flat board is rolled by hot bending and is curled into a cylinder-like structure, described agent structure is evenly distributed with some rectangle loss of weight through holes, for alleviating structure gross mass, convenient test is simultaneously installed, supporting construction is provided with between described two rectangle loss of weight through holes, described supporting construction and up-down structure junction are provided with chamfering, described agent structure upper limb is provided with somely joins punching, described agent structure upper edge portion is provided with some half elliptic escape groove, for dodging in test test specimen correlated parts, described bottom surface platform is provided with some connecting screw holes, for being connected with vibration table.
As preferably, described in join punching quantity be 22.
As preferably, the quantity of described rectangle loss of weight through hole is 8.
As preferably, the quantity of described escape groove is 4, and wherein, the width of 3 escape groove is 20mm, and the degree of depth is 25mm, and 1 escape groove width is 92mm, and the degree of depth is 120mm.
As preferably, the thickness of described bottom surface platform is 30mm, and diameter is φ 850mm, and the thickness of described agent structure is 32mm, is highly 550mm, and diameter is φ 736mm.24 connecting screw holes arranged by bottom surface platform.
As preferably, the diameter of described connecting screw hole is φ 18mm, uniformly divides cloth-like, and described agent structure top surface edge is connected with test specimen by joining punching, described in join the diameter phi 9mm of punching.
As preferably, the width of described rectangle loss of weight through hole is 150mm, is highly 450mm.
As preferably, the diameter of described chamfering is φ 20mm.
The utility model is owing to passing through topological optimization and parameter optimization, alleviate overall structure quality greatly, reduce experimentation cost, ensure that the fundamental frequency demand fulfillment of test tool is not less than the requirement of testpieces fundamental frequency 3 ~ 5 times, Pass Test designing requirement, simultaneously, pass through structure optimization, after the utility model spherical thin-walled workpiece and frock in process of the test being completed dock, assembly does not interfere phenomenon with vibration stage body, and the design of rectangle loss of weight through hole is when making to change trystate in process of the test, test specimen can be dismantled, directly change direction sectional fixture, and the width of through hole can facilitate mounting screw, reserved enough spanner swinging distances, reduce test installation difficulty, improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of universal fixturing general structure schematic diagram for completing spherical thin-walled workpiece vibration test of the utility model embodiment.
Fig. 2 is the structural representation of a kind of universal fixturing bottom surface platform for completing spherical thin-walled workpiece vibration test of the utility model embodiment.
Fig. 3 is a kind of universal fixturing agent structure schematic diagram for completing spherical thin-walled workpiece vibration test of the utility model embodiment.
Fig. 4 is a kind of universal fixturing escape groove schematic diagram for completing spherical thin-walled workpiece vibration test of the utility model embodiment.
Fig. 5 is a kind of universal fixturing rectangle loss of weight through hole schematic diagram for completing spherical thin-walled workpiece vibration test of the utility model embodiment.
Fig. 6 is a kind of universal fixturing chamfering schematic diagram for completing spherical thin-walled workpiece vibration test of the utility model embodiment.
Fig. 7 is that a kind of universal fixturing agent structure upper limb for completing spherical thin-walled workpiece vibration test of the utility model embodiment joins punching schematic diagram.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in figs. 1-7, the utility model provides a kind of universal fixturing for completing spherical thin-walled workpiece vibration test for existing deficiency, comprise bottom surface platform 1 and agent structure 2, described bottom surface platform 1 welds together with the lower boundary of agent structure 2, described bottom surface platform 1 is a Circular Plate, described agent structure 2 is that a flat board is rolled by hot bending and is curled into a cylinder-like structure, described agent structure 2 is evenly distributed with some rectangle loss of weight through holes 5, for alleviating structure gross mass, convenient test is simultaneously installed, supporting construction is provided with between described two rectangle loss of weight through holes 5, described supporting construction and up-down structure junction are provided with chamfering 7, described agent structure 2 upper limb is provided with somely joins punching 4, described agent structure 2 upper edge portion is provided with some half elliptic escape groove 6, for dodging in test test specimen correlated parts, described bottom surface platform 1 is provided with some connecting screw holes 3, for being connected with vibration table.
As Figure 2-3, bottom surface platform 1 is a Circular Plate, and bottom surface land thickness is 30mm, and diameter is φ 850mm, and 24 connecting screw holes arranged by bottom surface platform, and screwhole diameter is φ 18mm, uniformly divides cloth-like;
As shown in Figure 4, escape groove 6 is 4 half elliptic grooves dividing of edge on the body construction, and for dodging in test test specimen correlated parts, wherein the width of 3 escape groove is 20mm, and the degree of depth is 25mm; 1 escape groove width is 92mm, and the degree of depth is 120mm;
As shown in Figure 5, rectangle loss of weight through hole 5 is arrange 8 rectangular through-hole on the body construction, for alleviating structure gross mass, convenient test is simultaneously installed, rectangular through-hole width is 150mm, be highly 450mm, lower boundary directly and bottom surface platform by being welded to connect, agent structure remainder forms 8 equally distributed support frame structures;
As shown in Figure 6, the chamfering that chamfering 7 is connected with up-down structure for agent structure residue supporting construction, chamfering diameter is φ 20mm;
As shown in Figure 7, agent structure 2 upper limb joins punching 4 for being arranged in the round thread hole of agent structure upper limb, totally 22, screwed hole diameter phi 9mm;
The fixture provided by means of above-described embodiment is provided below in conjunction with accompanying drawing, by support of the present utility model and position adjustment, the demand of spherical thin-walled workpiece vibration test can be met.Specific as follows:
During test, as shown in Figure 1, test specimen is arranged on the utility model fixture, position outstanding on test specimen is stuck in escape groove as shown in Figure 4, and utilizes and joining punching test specimen is fixed on fixture, as shown in Figure 2, fixture is connected with shake table, according to the difference of vibration table, the conciliation of tapped through hole can be utilized, fixture is connected with shake table.In test specimen installation process, can make full use of the width of rectangle loss of weight through hole as shown in Figure 3, convenient test installation personnel carries out installation operation.
In sum, this concrete enforcement is owing to passing through topological optimization, parameter optimization technique, on the basis meeting test requirements document, greatly reduce cost of manufacture and own wt, ensure that fixture self fundamental frequency is not less than the requirement of testpieces fundamental frequency 3 ~ 5 times, eliminate the waste of fixture to shake table thrust, and by loss of weight through hole easily testing crew install, reduce test difficulty, improve test efficiency, achieve the optimization of this test fixture, facilitate carrying out smoothly of test.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. one kind for completing the universal fixturing of spherical thin-walled workpiece vibration test, it is characterized in that, comprise bottom surface platform (1) and agent structure (2), described bottom surface platform (1) welds together with the lower boundary of agent structure (2), described bottom surface platform (1) is a Circular Plate, described agent structure (2) is that a flat board is rolled by hot bending and is curled into a cylinder-like structure, described agent structure (2) is evenly distributed with some rectangle loss of weight through holes (5), supporting construction is provided with between described two rectangle loss of weight through holes (5), described supporting construction and up-down structure junction are provided with chamfering (7), described agent structure (2) upper limb is provided with somely joins punching (4), described agent structure (2) upper edge portion is provided with some half elliptic escape groove (6), described bottom surface platform (1) is provided with some connecting screw holes (3).
2. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, is characterized in that, described in join punching (4) quantity be 22.
3. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, is characterized in that, the quantity of described rectangle loss of weight through hole (5) is 8.
4. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, it is characterized in that, the quantity of described escape groove (6) is 4, wherein, the width of 3 escape groove is 20mm, the degree of depth is 25mm, and 1 escape groove width is 92mm, and the degree of depth is 120mm.
5. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, it is characterized in that, the thickness of described bottom surface platform (1) is 30mm, diameter is φ 850mm, the thickness of described agent structure (2) is 32mm, be highly 550mm, diameter is φ 736mm.24 connecting screw holes arranged by bottom surface platform.
6. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, it is characterized in that, the diameter of described connecting screw hole (3) is φ 18mm, uniformly divide cloth-like, described agent structure (2) top surface edge is connected with test specimen by joining punching (4), described in join the diameter phi 9mm of punching (4).
7. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, is characterized in that, the width of described rectangle loss of weight through hole (5) is 150mm, is highly 450mm.
8. a kind of universal fixturing for completing spherical thin-walled workpiece vibration test according to claim 1, is characterized in that, the diameter of described chamfering (7) is φ 20mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521340.4U CN204160354U (en) | 2014-09-11 | 2014-09-11 | A kind of universal fixturing for completing spherical thin-walled workpiece vibration test |
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| CN201420521340.4U CN204160354U (en) | 2014-09-11 | 2014-09-11 | A kind of universal fixturing for completing spherical thin-walled workpiece vibration test |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840565A (en) * | 2017-02-27 | 2017-06-13 | 中国工程物理研究院总体工程研究所 | A kind of Double earthquakes attachment structure |
| CN109416028A (en) * | 2016-07-07 | 2019-03-01 | Zf 腓德烈斯哈芬股份公司 | Transmission mechanism cover for wind-power electricity generation transmission mechanism |
| CN109612735A (en) * | 2019-02-13 | 2019-04-12 | 北京强度环境研究所 | A kind of heat vibration Combined Trials fixture |
| CN110864860A (en) * | 2019-11-14 | 2020-03-06 | 西北工业大学 | Multifunctional clamp for vibration test of aircraft storage tank |
-
2014
- 2014-09-11 CN CN201420521340.4U patent/CN204160354U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109416028A (en) * | 2016-07-07 | 2019-03-01 | Zf 腓德烈斯哈芬股份公司 | Transmission mechanism cover for wind-power electricity generation transmission mechanism |
| CN109416028B (en) * | 2016-07-07 | 2020-11-03 | Zf 腓德烈斯哈芬股份公司 | Transmission cover for wind power generation transmission |
| CN106840565A (en) * | 2017-02-27 | 2017-06-13 | 中国工程物理研究院总体工程研究所 | A kind of Double earthquakes attachment structure |
| CN106840565B (en) * | 2017-02-27 | 2023-08-15 | 中国工程物理研究院总体工程研究所 | Double-vibrating table connecting structure |
| CN109612735A (en) * | 2019-02-13 | 2019-04-12 | 北京强度环境研究所 | A kind of heat vibration Combined Trials fixture |
| CN110864860A (en) * | 2019-11-14 | 2020-03-06 | 西北工业大学 | Multifunctional clamp for vibration test of aircraft storage tank |
| CN110864860B (en) * | 2019-11-14 | 2021-11-05 | 西北工业大学 | Multifunctional clamp for vibration test of aircraft storage tank |
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