Mechanical vertical vibration table for vibration test

Abstract

The utility model relates to a mechanical vertical vibration table for a vibration test, and belongs to the technical field of vibration equipment. The device comprises a base, a vibrating table, an elastic piece, a vibrating mechanism, a connecting rod, a clamping mechanism and a damping pad, wherein the vibrating mechanism is arranged on the base, is connected with the vibrating table through a connecting rod, and drives the vibrating table to vibrate vertically. A clamping mechanism is arranged at the top of the vibration table and used for clamping a to-be-tested product. The elastic piece is connected with the vibration table and the base; the damping cloth liner is arranged at the bottom of the base; according to the utility model, a mechanical transmission structure is adopted, the amplitude is adjustable, the maintenance is convenient, a product to be tested can be effectively clamped, and the safety in a vibration test is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration equipment technical field especially a mechanical vertical vibration table for vibration test. BACKGROUND

[0002] With the development of industrial test technology, vibration test bench technology appears, this technology is mainly used to simulate various environmental vibrations encountered by products in manufacturing, assembling, transporting and using stages to identify the vibration resistance, reliability and integrity of products, and is suitable for multiple industry fields.

[0003] In the related art, the processing mode of the vibration test bench includes a central processing unit, a signal generating unit, a vibration generating unit, a standard sensor and a display unit and the like. Among them, the central processing unit is responsible for controlling the signal generating unit to generate a vibration signal and transmit it to the vibration generating unit to generate corresponding vibration; the standard sensor and the to-be-tested sensor respectively sense the vibration of the vibration generating unit, and transmit the measured standard vibration signal and the to-be-tested signal to the central processing unit for comparison, and finally transmit the comparison result to the display unit.

[0004] However, the vibration table has many electronic components, which makes maintenance inconvenient; at the same time, it lacks effective clamping and fixing of the to-be-tested product, which may cause the product to fly out directly during vertical vibration test. UTILITY MODEL CONTENT

[0005] The applicant provides a mechanical vertical vibration table for vibration test to solve the above problems in the prior art, so that a mechanical transmission structure is adopted, the amplitude is adjustable, maintenance is convenient, and the to-be-tested product is effectively fixed.

[0006] The technical scheme adopted by the utility model is as follows: a mechanical vertical vibration table for vibration test, comprising:

[0007] a base, a vibration table, an elastic member, a vibration mechanism, a connecting rod, a clamping mechanism and a damping pad;

[0008] The base is used to provide support for the entire device;

[0009] The vibration mechanism is arranged on the base and connected with the vibration table through the connecting rod, and is used to drive the vibration table to vibrate vertically;

[0010] The top of the vibration table is provided with the clamping mechanism for clamping the to-be-tested product;

[0011] The four corner positions of the bottom of the vibration table are elastically connected between the base through the elastic member;

[0012] The bottom of the base is additionally provided with the damping pad.

[0013] As a further improvement of the above technical solutions,

[0014] Preferably, the vibration mechanism comprises a driving member, the driving output end of which is connected with the disc through a shaft coupling; a plurality of amplitude adjustment holes are arranged on the disc, one end of the connecting rod is detachably connected with the amplitude adjustment hole, and the other end is hingedly connected with the middle part of the bottom surface of the vibration table; the driving member is fixed on the base through a first mounting seat, and the disc is fixed through a second mounting seat.

[0015] Preferably, the plurality of amplitude adjustment holes are distributed from inside to outside along the radial direction of the disc, and the amplitude adjustment of the vibration table is realized by adjusting the connection of the connecting rod with the amplitude adjustment holes at different positions.

[0016] Preferably, the clamping mechanism comprises a first assembly surface fixedly connected with the vibration table through a base assembly hole, and a second assembly surface fixedly connected with the product to be tested through a product to be tested assembly; a reinforcing rib is arranged between the first assembly surface and the second assembly surface.

[0017] Preferably, the elastic member is a spring, the top of the spring is abutted with the bottom surface of the vibration table through a connecting piece, and the bottom of the spring is abutbed with the base.

[0018] Preferably, the damping pad is a rubber damping pad and is arranged at the bottom of the base for reducing the vibration of the base.

[0019] Preferably, the vibration direction of the vibration table is the vertical direction, and the vibration frequency of the vibration table is adjusted by the rotating speed of the driving member.

[0020] The beneficial effects of the utility model are as follows:

[0021] The utility model discloses compact structure, convenient operation pass through mechanical type transmission structure, reduced the use of electronic components, make the equipment maintenance more convenient, simultaneously, through setting up amplitude adjustment hole and detachable connecting connecting rod, realized the flexible adjustment of amplitude, moreover, the design of clamping mechanism effectively fixed the product to be tested, also guarantee product and do not fly out because of vibration, improved the security of test, in addition, the setting of elastic member and damping pad not only guarantees the transmission of vibration, but also reduces the vibration of base, improves the accuracy of test. ACCURACY

[0022] Figure 1 It is the whole structure schematic diagram of the utility model.

[0023] Figure 2 It is the structure schematic diagram of the vibration mechanism of the utility model.

[0024] Figure 3 It is the structure schematic diagram of the clamping mechanism of the utility model.

[0025] Figure 4 It is the structure schematic view of the clamping mechanism in another view angle of the utility model.

[0026] Among them: 1, base; 2, vibration table; 3, elastic member; 4, vibration mechanism; 5, connecting rod; 6, clamping mechanism; 7, damping pad;

[0027] 401, drive; 402, drive output end; 403, shaft coupling; 404, disc; 405, amplitude adjustment hole; 406, first mounting seat; 407, second mounting seat;

[0028] 601, first assembly surface; 602, base assembly hole; 603, second assembly surface; 604, to be measured piece assembly; 605, reinforcing rib. DETAILED DESCRIPTION

[0029] The specific embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0030] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] In the case of using "including", "having", and "containing" described herein, unless using explicit limiting terms, such as "only", "consisting of", etc., another component can be added. Unless otherwise mentioned, the singular form of the term can include the plural form and cannot be understood as one in number.

[0033] It should be understood that although the terms "first", "second", etc. can be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without departing from the scope of the utility model, the first element can be called the second element, and similarly, the second element can be called the first element.

[0034] In addition, the drawings are not drawn to scale 1:1, and the relative sizes of the elements are only drawn by way of example in the drawings and are not necessarily drawn to scale.

[0035] As Figures 1-4 shown, an embodiment of the utility model discloses a structure state schematic diagram of mechanical vertical vibration table for vibration test, for being convenient for description, the drawing only shows the structure related to the embodiment of the utility model.

[0036] The mechanical vertical vibration table for vibration test of the embodiment, comprising:

[0037] Base 1, vibration table 2, elastic piece 3, vibration mechanism 4, connecting rod 5, clamping mechanism 6 and shock pad 7;

[0038] Base 1, for providing support for the whole equipment;

[0039] Vibration mechanism 4 is arranged on base 1 and is connected with vibration table 2 through connecting rod 5, for driving vibration table 2 to carry out vertical vibration;

[0040] The top of vibration table 2 is equipped with clamping mechanism 6, for clamping the product to be measured;

[0041] The four corner positions of the bottom of vibration table 2 are elastically connected with base 1 through elastic piece 3;

[0042] The bottom of base 1 is additionally provided with shock pad 7.

[0043] As Figure 2 shown, in some embodiments, vibration mechanism 4 comprises:

[0044] Driving piece 401, its driving output 402 is connected with disc 404 through shaft coupling 403;

[0045] Disc 404 is equipped with a plurality of amplitude adjustment holes 405, one end of connecting rod 5 is detachably connected with amplitude adjustment hole 405, and the other end is hinged with the middle part of the bottom surface of vibration table 2;

[0046] Driving piece 401 is fixed on base 1 through first mounting seat 406, and disc 404 is fixed through second mounting seat 407;

[0047] Further, a plurality of amplitude adjustment holes 405 are distributed from inside to outside along the radial direction of disc 404, and the amplitude adjustment of vibration table 2 is realized by adjusting the connection of connecting rod 5 with amplitude adjustment hole 405 at different positions.

[0048] As Figures 3-4 shown, in some embodiments, clamping mechanism 6 comprises:

[0049] First assembly surface 601 is fixedly connected with vibration table 2 through base assembly hole 602;

[0050] The second assembly surface 603 is fixedly connected with the product to be tested through the assembly part 604 of the product to be tested;

[0051] The first assembly surface 601 and the second assembly surface 603 are provided with the reinforcing rib 605.

[0052] In some embodiments, the elastic part 3 is a spring, the top of the spring is abutted with the bottom surface of the vibration table 2 through the connecting part, and the bottom of the spring is abutted with the base 1.

[0053] In some embodiments, the damping pad 7 is a rubber damping pad and is arranged at the bottom of the base 1 for reducing the vibration of the base 1.

[0054] In some embodiments, the vibration direction of the vibration table 2 is the vertical direction, and the vibration frequency of the vibration table 2 is adjusted through the rotating speed of the driving part 401.

[0055] In a specific embodiment, the assembly process of the application under actual work is as follows:

[0056] Assemble the base 1 and the vibration mechanism 4:

[0057] Place the base 1 stably on the workbench surface, and ensure that the base 1 is stable and does not shake;

[0058] Fix the driving part 401 of the vibration mechanism 4 on the base 1 through the first mounting seat 406, and ensure that the driving part 401 is firmly installed;

[0059] Fix the disc 404 on the base 1 through the second mounting seat 407, and connect the driving output end 402 of the driving part 401 with the disc 404 through the shaft coupling 403.

[0060] Install the connecting rod 5 and select the amplitude adjustment:

[0061] According to the required amplitude size, select the appropriate amplitude adjustment hole 405. A plurality of amplitude adjustment holes 405 are distributed along the radial direction of the disc 404 from inside to outside, providing different amplitude selection;

[0062] One end of the connecting rod 5 is detachably connected (such as using a connecting part such as a bolt or a pin) with the selected amplitude adjustment hole 405, and the other end is hinged with the middle part of the bottom surface of the vibration table 2.

[0063] Install the elastic part 3 and the vibration table 2:

[0064] At the four corner positions of the bottom of the vibration table 2, the top of the elastic part 3 (spring) is abutted with the bottom surface of the vibration table 2 through the connecting part (such as a bolt, a nut, etc.), and the bottom is abutted with the base 1, so as to ensure that the spring can provide elastic support for the vibration table.

[0065] Install the clamping mechanism 6:

[0066] The first assembly surface 601 of the clamping mechanism 6 is fixedly connected with the top of the vibration table 2 through the base assembly hole 602;

[0067] According to the shape and size of the product to be tested, the product to be tested assembly 604 on the second assembly surface 603 is adjusted to ensure that the product to be tested can be stably fixed on the clamping mechanism 6; the arrangement of the reinforcing ribs 605 enhances the strength and stability of the clamping mechanism 6.

[0068] Install the damping pad 7:

[0069] The rubber damping pad 7 is arranged at the bottom of the base 1, and the damping pad 7 is ensured to be flat and attached to the bottom of the base 1, so as to reduce the transmission vibration of the base 1 during vibration.

[0070] Finally, debugging and testing:

[0071] The power supply of the driving part 401 is turned on, the vibration mechanism 4 is started, and the vibration frequency of the vibration table 2 is adjusted by adjusting the rotating speed of the driving part 401;

[0072] The vibration of the vibration table 2 is observed and recorded to ensure that the amplitude and vibration frequency meet the test requirements;

[0073] The fixing effect of the clamping mechanism 6 on the product to be tested is checked to ensure that the product will not fly out or loosen during vibration.

[0074] In other embodiments, in order to more conveniently adjust the amplitude, scale marks can be arranged on the disc 404, corresponding to different amplitude adjustment holes 405; when adjusting the amplitude, only the appropriate amplitude adjustment hole 405 is selected for connection according to the scale marks.

[0075] The mechanical vertical vibration table has the advantages of reasonable structure, convenient operation, simple maintenance, adjustable amplitude and good safety, and is suitable for vibration testing of products of different specifications and has good applicability.

[0076] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0077] The above-described embodiments only express the implementation of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A mechanical vertical shaker table for vibration testing, characterized by, The utility model relates to a vertical vibration device for product testing, which comprises a base (1), a vibration table (2), elastic members (3), a vibration mechanism (4), connecting rods (5), a clamping mechanism (6) and a damping pad (7). The base (1) is used to provide support for the entire device. The vibration mechanism (4) is arranged on the base (1) and connected to the vibration table (2) through the connecting rods (5) to drive the vibration table (2) to vibrate vertically. The top of the vibration table (2) is provided with the clamping mechanism (6) for clamping the product to be tested. The four corners of the bottom of the vibration table (2) are elastically connected to the base (1) through the elastic members (3). The bottom of the base (1) is additionally provided with the damping pad (7). The vibration mechanism (4) comprises:

2. The mechanical vertical shaker table for a vibration test according to claim 1, characterized by, The driving member (401) is connected to the disc (404) through the shaft coupling (403) at the driving output end (402). The disc (404) is provided with a plurality of amplitude adjustment holes (405), one end of the connecting rod (5) is detachably connected to the amplitude adjustment hole (405), and the other end is hingedly connected to the middle of the bottom surface of the vibration table (2). The driving member (401) is fixed to the base (1) through the first mounting seat (406), and the disc (404) is fixed through the second mounting seat (407). The plurality of amplitude adjustment holes (405) are distributed from the inside to the outside along the radial direction of the disc (404), and the amplitude adjustment of the vibration table (2) is realized by adjusting the connection of the connecting rod (5) with the amplitude adjustment holes (405) at different positions.

3. The mechanical vertical shaker table for vibration testing according to claim 2, characterized in that, The clamping mechanism (6) comprises:

4. The mechanical vertical shaker table for a vibration test according to claim 1, wherein The first assembly surface (601) is fixedly connected to the vibration table (2) through the base assembly hole (602); The second assembly surface (603) is fixedly connected to the product to be tested through the test piece assembly part (604); The first assembly surface (601) and the second assembly surface (603) are provided with the reinforcing ribs (605). The elastic member (3) is a spring, the top of the spring is in abutment with the bottom surface of the vibration table (2) through the connecting member, and the bottom of the spring is in abutment with the base (1).

5. The mechanical vertical shaker table for vibration testing according to claim 1, wherein The damping pad (7) is a rubber damping pad and is arranged at the bottom of the base (1) to reduce the vibration of the base.

6. The mechanical vertical shaker table for vibration testing according to claim 1, wherein The vibration direction of the vibration table (2) is the vertical direction, and the vibration frequency of the vibration table (2) is adjusted by the rotating speed of the driving member (401).

7. The mechanical vertical shaker table for vibration testing according to claim 1, wherein ​

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