CN211877387U - Vibration test platform capable of being horizontally expanded - Google Patents
Vibration test platform capable of being horizontally expanded Download PDFInfo
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- CN211877387U CN211877387U CN202020902568.3U CN202020902568U CN211877387U CN 211877387 U CN211877387 U CN 211877387U CN 202020902568 U CN202020902568 U CN 202020902568U CN 211877387 U CN211877387 U CN 211877387U
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Abstract
The utility model discloses a but vibration test platform of horizontal extension, including mounting base, first mesa subassembly, second mesa subassembly, be used for lubricating and refrigerated lubrication cooling subassembly and vibration exciter to first mesa subassembly or second mesa subassembly, be equipped with the mounting that is used for fixed first mesa subassembly or second mesa subassembly on the mounting base, be equipped with the connecting piece that is used for connecting first mesa subassembly or second mesa subassembly on the vibration exciter, the area of first mesa subassembly with mounting base's area matches, the area ratio of second mesa subassembly mounting base's area is little. The utility model has the advantages of simple structure, reliability, flexible use, good economy and the like.
Description
Technical Field
The utility model relates to a device is used in the rail transit vehicle equipment test, especially relates to a vibration test platform that can level extension.
Background
For the impact and vibration test of rail transit locomotive equipment, according to the difference of the installation position, the vibration impact test is divided into 3 types, the maximum impact magnitude is 100g of 3 types, the random maximum magnitude is 30g of 3 types, the 3 types of vibration impact test has higher requirements for the thrust index, the speed index and the displacement index of the vibration table, the existing standard table can not meet the requirements, only a large-thrust vibration table is matched with a small table for use, but for a laboratory, not only the 3 types of vibration impact test but also the 1 type of vibration impact test need to be completed, for the product, the problem that the test can not be performed on the small table is caused by the large size of the product, for the vertical test, the large-size vertical extension table can be replaced for processing, and the horizontal test is not good, so if the 1 type of vibration impact test is to be realized, The current solution for the class 2 and class 3 tests is to purchase 2 sets of electromagnetic vibration test systems, but the cost is high and the economical efficiency is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, but provide a but horizontal expansion's vibration test platform that simple structure, reliable, economic nature are good.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a but vibration test platform of horizontal extension, includes mounting base, first mesa subassembly, second mesa subassembly, is used for lubricating and refrigerated lubrication cooling subassembly and vibration exciter to first mesa subassembly or second mesa subassembly, be equipped with the mounting that is used for fixed first mesa subassembly or second mesa subassembly on the mounting base, be equipped with the connecting piece that is used for connecting first mesa subassembly or second mesa subassembly on the vibration exciter, the area of first mesa subassembly with mounting base's area matches, the area of second mesa subassembly is compared mounting base's area is little.
As a further improvement of the above technical solution: and the mounting base is also provided with a positioning piece for precisely positioning the first table-board assembly or the second table-board assembly.
As a further improvement of the above technical solution: the locating piece is a locating pin, and locating holes matched with the locating pin are formed in the upper portion of the mounting base, the lower portion of the first table top assembly and the lower portion of the second table top assembly.
As a further improvement of the above technical solution: the positioning pin is a conical pin, and the positioning hole is a conical hole.
As a further improvement of the above technical solution: the first table top assembly comprises a first vibration table top and a first vibration table top supporting seat, the second table top assembly comprises a second vibration table top and a second vibration table top supporting seat, the fixing piece is used for fixing the first vibration table top supporting seat or the second vibration table top supporting seat, and the connecting piece is used for connecting the first vibration table top or the second vibration table top.
As a further improvement of the above technical solution: the first vibration table top supporting seat and the second vibration table top supporting seat are marble supporting seats and are internally provided with cooling liquid flow channels.
As a further improvement of the above technical solution: the lubricating and cooling assembly comprises an oil pump and an oil storage tank, a cavity is arranged in the mounting base, and the oil pump and the oil storage tank are arranged in the cavity.
As a further improvement of the above technical solution: the vibration exciter is an electromagnetic vibration exciter.
As a further improvement of the above technical solution: the fixing piece is a threaded fastener.
As a further improvement of the above technical solution: the connecting piece is a table top ox head.
Compared with the prior art, the utility model has the advantages of: to a given vibration test platform, its thrust index, acceleration index, speed index and displacement index are given, so what magnitude of a matter the vibration test platform can do is depending on the weight of sample processing frock and the weight of mesa subassembly, to the sample of given weight and frock, reduce the weight of mesa subassembly alright realize higher magnitude of a matter experiment, the utility model discloses a vibration test platform contains two sets of mesa subassemblies of equidimension not, under the unchangeable circumstances of holding mounting base, lubricated cooling module, vibration exciter, when adopting the great first mesa subassembly of area, can carry out the little magnitude of a big size vibration impact test, when adopting the less second mesa subassembly of area, then can carry out little size big magnitude of a matter vibration impact test, realize the horizontal extension of mesa subassembly, and only need one set of mounting base, speed indicator, The lubricating and cooling assembly and the vibration exciter have simple and reliable structure and good economical efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the horizontally expandable vibration testing platform of the present invention when the first platform assembly is installed.
Fig. 2 is a view a-a in fig. 1.
Fig. 3 is a schematic structural diagram of the horizontally expandable vibration testing platform of the present invention when the second platform assembly is installed.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural diagram of a positioning member in the present invention.
The reference numerals in the figures denote: 1. mounting a base; 11. a cavity; 2. a first table top assembly; 21. a first vibration table; 22. a first vibration table top support seat; 3. a second table top assembly; 31. a second vibration table; 32. a second vibration table support seat; 4. lubricating the cooling assembly; 41. an oil pump; 5. a vibration exciter; 6. a fixing member; 7. a connecting member; 8. a positioning member; 9. and (7) positioning the holes.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 5 show the utility model discloses but vibration test platform's of horizontal expansion embodiment, but vibration test platform of horizontal expansion of this embodiment, including mounting base 1, first mesa subassembly 2, second mesa subassembly 3, be used for lubricating and refrigerated lubrication cooling subassembly 4 to first mesa subassembly 2 or second mesa subassembly 3, and vibration exciter 5, be equipped with the mounting 6 that is used for fixed first mesa subassembly 2 or second mesa subassembly 3 on the mounting base 1, be equipped with the connecting piece 7 that is used for connecting first mesa subassembly 2 or second mesa subassembly 3 on the vibration exciter 5, the area of first mesa subassembly 2 matches with mounting base 1's area, the area of second mesa subassembly 3 is less than mounting base 1's area. The fixing part 6 can be a threaded fastener such as a screw and a bolt, and is reliable in fixing, easy to disassemble and assemble and convenient for replacing the first table top component 2 or the second table top component 3; the vibration exciter 5 preferably adopts an existing electromagnetic vibration exciter; the connecting piece 7 preferably adopts a table-board ox head; the lubricating and cooling component 4 is preferably oil-cooled, has good cooling and radiating effects, and can provide lubricating oil required for lubrication between the table top component and the mounting base 1; the mounting base 1 is preferably of rectangular configuration and the second table assembly 3 is also of rectangular configuration, with a length matching the width of the mounting base 1 and a width half the length of the mounting base 1.
For a given vibration test platform, its thrust index, acceleration index, speed index and displacement index are given, so what magnitude of a matter the vibration test platform can do is dependent on the weight of sample processing frock and the weight of mesa subassembly, for the sample of given weight and frock, reduce the weight of mesa subassembly alright realize higher magnitude of a matter experiment, the utility model discloses a vibration test platform contains two sets of mesa subassemblies of equidimension not, under the unchangeable circumstances of holding mounting base 1, lubrication cooling subassembly 4, vibration exciter 5, when adopting the great first mesa subassembly 2 of area, can carry out the little magnitude of a big size vibration shock test, when adopting the less second mesa subassembly 3 of area, then can carry out the little big magnitude of a little size vibration shock test, realize the horizontal extension of mesa subassembly, and only need a set of mounting base 1, The lubricating and cooling assembly 4 and the vibration exciter 5 have simple and reliable structure and good economical efficiency.
Further, in this embodiment, the mounting base 1 is further provided with a positioning member 8 for precisely positioning the first table component 2 or the second table component 3. The fixing piece 6 is used for realizing the coarse positioning between the first table top component 2 or the second table top component 3 and the mounting base 1, and the positioning piece 8 is used for realizing the fine positioning between the first table top component 2 or the second table top component 3 and the mounting base 1, so that the impact vibration test effect is ensured.
Furthermore, in the present embodiment, the positioning members 8 are positioning pins, and the upper portion of the mounting base 1, the lower portion of the first table component 2, and the lower portion of the second table component 3 are provided with positioning holes 9 for matching with the positioning pins. As preferred technical scheme, in this embodiment, the locating pin is the taper pin, and corresponding locating hole 9 is the bell mouth, and simple structure, reliable, positioning accuracy is high, also is convenient for the dismouting of two sets of mesa subassemblies.
Further, in this embodiment, the first table component 2 includes a first vibration table 21 and a first vibration table support 22, the second table component 3 includes a second vibration table 31 and a second vibration table support 32, the fixing member 6 is used to fix the first vibration table support 22 or the second vibration table support 32, and the connecting member 7 is used to connect the first vibration table 21 or the second vibration table 31. Preferably, the first vibration table support 22 and the second vibration table support 32 are both marble supports and have coolant channels (not shown). During the test, the lubricating and cooling assembly 4 conveys lubricating oil to a cold area liquid flow channel in the marble supporting seat to finish cooling and heat dissipation.
Further, in the present embodiment, the lubricating and cooling assembly 4 includes an oil pump 41 and an oil storage tank, a cavity 11 is provided in the mounting base 1, and the oil pump 41 and the oil storage tank are provided in the cavity 11. By adopting the mounting base 1 with the cavity 11 and integrating the oil pump 41, the oil storage tank and the like in the mounting base 1, the lubrication oil pipeline laying can be saved, the cost is reduced, and the risk of oil leakage of the test platform is reduced.
For a laboratory, due to the fact that the test magnitude, the test bandwidth, the sample size and the like of a sample are different, for a given sample, it is very important to select a proper table top component quickly, and for the sample needing a large-scale vibration impact test, if the test bandwidth does not exceed the first-order resonance frequency of a small table top and the overall size of the sample and a tool is smaller than the size of the small table top, the small table top is selected; for the small-magnitude vibration impact test, if the test bandwidth does not exceed the first-order resonant frequency of the large table, the small table or the large table can be selected for testing according to the overall size of the sample and the tool, and if the test bandwidth exceeds the first-order resonant frequency of the large table and the overall size of the sample and the tool is smaller than the size of the small table, the small table is selected.
Mounting and positioning method of table top assembly
1) The table board assembly is hung on the mounting base 1 through a crane;
2) performing coarse positioning through a threaded fastener;
3) fine positioning using a conical locating pin;
4) the table top component is fixed on the mounting base 1 through mounting screws;
5) connecting the table board assembly with an oil pipe between the lubricating and cooling assemblies 4;
6) turning on the oil pump 41 to allow oil to reach the table top assembly from the oil reservoir in the mounting base 1;
7) the position of the vibration table top is adjusted, the screw thread fastener is connected with the ox head of the table top, the vibration table top is continuously pushed in the pre-tightening process, and the smooth sliding of the vibration table top is ensured.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a but vibration test platform of horizontal extension which characterized in that: including mounting base (1), first mesa subassembly (2), second mesa subassembly (3), be used for lubricating and refrigerated lubrication cooling subassembly (4) and vibration exciter (5) first mesa subassembly (2) or second mesa subassembly (3), be equipped with mounting (6) that are used for fixed first mesa subassembly (2) or second mesa subassembly (3) on mounting base (1), be equipped with connecting piece (7) that are used for connecting first mesa subassembly (2) or second mesa subassembly (3) on vibration exciter (5), the area of first mesa subassembly (2) with the area of mounting base (1) matches, the area ratio of second mesa subassembly (3) the area of mounting base (1) is little.
2. The horizontally expandable vibratory testing platform of claim 1, wherein: and a positioning piece (8) for accurately positioning the first table top component (2) or the second table top component (3) is further arranged on the mounting base (1).
3. The horizontally expandable vibratory testing platform of claim 2, wherein: the locating piece (8) is a locating pin, and locating holes (9) matched with the locating pin are formed in the upper portion of the mounting base (1), the lower portion of the first table board assembly (2) and the lower portion of the second table board assembly (3).
4. The horizontally expandable vibratory testing platform of claim 3, wherein: the positioning pin is a conical pin, and the positioning hole (9) is a conical hole.
5. The horizontally expandable vibratory testing platform of claim 1, wherein: first mesa subassembly (2) are including first vibration mesa (21) and first vibration mesa supporting seat (22), second mesa subassembly (3) are including second vibration mesa (31) and second vibration mesa supporting seat (32), mounting (6) are used for fixing first vibration mesa supporting seat (22) or second vibration mesa supporting seat (32), connecting piece (7) are used for connecting first vibration mesa (21) or second vibration mesa (31).
6. The horizontally expandable vibratory testing platform of claim 5, wherein: the first vibration table top supporting seat (22) and the second vibration table top supporting seat (32) are both marble supporting seats, and cooling liquid flow channels are arranged inside the marble supporting seats.
7. The horizontally expandable vibratory testing platform of claim 1, wherein: lubricating cooling subassembly (4) include oil pump (41) and batch oil tank, be equipped with cavity (11) in mounting base (1), oil pump (41) and batch oil tank are located in cavity (11).
8. The horizontally expandable vibratory testing platform of any one of claims 1-7, wherein: the vibration exciter (5) is an electromagnetic vibration exciter.
9. The horizontally expandable vibratory testing platform of any one of claims 1-7, wherein: the fixing piece (6) is a threaded fastener.
10. The horizontally expandable vibratory testing platform of any one of claims 1-7, wherein: the connecting piece (7) is a table-board ox head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020902568.3U CN211877387U (en) | 2020-05-25 | 2020-05-25 | Vibration test platform capable of being horizontally expanded |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020902568.3U CN211877387U (en) | 2020-05-25 | 2020-05-25 | Vibration test platform capable of being horizontally expanded |
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| CN211877387U true CN211877387U (en) | 2020-11-06 |
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| CN202020902568.3U Active CN211877387U (en) | 2020-05-25 | 2020-05-25 | Vibration test platform capable of being horizontally expanded |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111639395A (en) * | 2020-05-26 | 2020-09-08 | 成都运达科技股份有限公司 | Device and method for acquiring vehicle vibration information under transverse track expansion |
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2020
- 2020-05-25 CN CN202020902568.3U patent/CN211877387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111639395A (en) * | 2020-05-26 | 2020-09-08 | 成都运达科技股份有限公司 | Device and method for acquiring vehicle vibration information under transverse track expansion |
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