Vibration table test tool

Abstract

The utility model relates to the technical field of testing tools, in particular to a vibration table testing tool which comprises a tool table top, a limiting mechanism is installed in the middle of the tool table top, vibration mechanisms are symmetrically arranged on the two sides of the tool table top, clamping mechanisms are installed at the two ends of each vibration mechanism, first driven gears are connected to the two sides of a first driving gear in a meshed mode, and second driven gears are connected to the two sides of a second driving gear in a meshed mode. During vibration, in order to facilitate a vibration amplitude test, when a vibration mechanism vibrates, a hydraulic rod performs up-and-down hydraulic stretching and retracting, and an elastic frame performs elastic conduction of vibration frequency, so that the vibration test is performed; the pin at one end of the mounting base pushes the clamping plate to fix a vibrating object, test use is facilitated, stress concentration is not prone to being generated in the vibration conduction process due to the elastic buffering design, the tested object is prevented from being loosened or damaged, and test safety and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test frock technical field, concretely is a vibration table test frock. BACKGROUND

[0002] Vibration test technology is widely used in mechanical, electronic, aerospace and other fields, for evaluating the reliability and durability of products in the vibration environment. The traditional vibration table test device usually includes a driving system, a vibration generating mechanism and a clamping device, but there are still many deficiencies in practical application.

[0003] In the prior art, the adjustment of vibration amplitude depends on the speed control of a single driving motor, lacks precise mechanical limiting mechanism, and the stability of vibration arc is insufficient, especially in long-time testing, deviation is easy to occur, which affects the accuracy of test data. At the same time, the traditional clamping device adopts rigid fixing mode, lacks elastic buffer design, and stress concentration is easy to occur in the vibration transmission process, which causes the measured object to loosen or damage, reduces the safety and reliability of the test. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a vibration table test frock, which solves the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a vibration table test frock, including frock mesa, the middle part of frock mesa is equipped with limiting mechanism, the both sides of frock mesa are provided with vibration mechanism, and the both ends of each vibration mechanism are equipped with clamping mechanism.

[0006] Preferably, the limiting mechanism comprises a first driving motor fixedly connected with the bottom end of the frock mesa, a first main shaft fixedly connected with the transmission end of the first driving motor, a first main gear fixedly connected with the top of the first main shaft, first slave gears meshedly connected with the both sides of the first main gear, a first slave shaft fixedly connected with the bottom end of the first slave gear, a second main gear installed at the bottom end of the first slave shaft, a second slave gear meshedly connected with one side of the second main gear, a turntable fixedly connected with the bottom end of the second slave gear, a first limiting column fixedly connected with the bottom end side of the turntable, an adapter frame sleeved with the outside of the first limiting column, a second limiting column movably installed at one end of the adapter frame, and a limiting clamp installed at the top of the second limiting column.

[0007] Preferably, the vibration mechanism comprises a second driving motor arranged at the bottom end of the tooling table surface, a double-track turntable fixedly connected to the transmission end of the second driving motor, a belt transmissionally connected to the outer side of the double-track turntable, a roller gear transmissionally connected to one end of the belt, a pinion meshingly connected to the outer side of the roller gear, a transmission shaft fixedly connected to the middle part of the pinion, an eccentric wheel fixedly connected to one end of the transmission shaft, and a limiting clamp inserted and sleeved to the outer side of the transmission shaft.

[0008] Preferably, the clamping mechanism comprises an elastic frame fixedly connected to the top of the tooling table surface, a hydraulic rod fixedly connected to the top of the elastic frame, a telescopic spring sleeved to the outer side of the hydraulic rod, a mounting seat fixedly connected to the top of the hydraulic rod, and a clamping plate threadedly connected to one end of the mounting seat.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] The utility model provides a vibration table test tooling:

[0011] 1. when carrying out vibration test, for control vibration's amplitude, through the rotation of first drive motor drive first main axle rotation, make first main axle in the process of rotation from convenient to drive both sides first from gear rotation, from convenient to drive bottom first from axle rotation, convenient drive second main gear rotation, through second main gear drive second from gear rotation, make drive bottom turntable rotation, in the process of turntable rotation convenient drive first limit post rotation adjust link frame drag second limit post, make second limit post on limiting clamp carry out vibration mechanism vibration use, carry out vibration speed control, accurate mechanical limit mechanism, vibration amplitude stability, in long time test not easy to appear deviation, from convenient to promote test data accuracy.

[0012] 2. when carrying out vibration, for convenient to carry out vibration amplitude test, when vibration mechanism carries out vibration, through hydraulic rod up and down hydraulic telescopic while elastic frame carries out elastic transmission vibration frequency, from convenient to carry out vibration test, through mounting seat one end's pin drive clamping plate fixed vibration object, convenient to carry out test use, elastic buffer design, in vibration transmission process not easy to produce stress concentration, prevent the measured object loose or damage, promote the safety and reliability of test. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic drawing of the utility model;

[0014] Figure 2 It is the structure schematic drawing of the utility model;

[0015] Figure 3 It is partial structure schematic view of the limiting mechanism of the utility model;

[0016] Figure 4 It is partial structure schematic view of the limiting mechanism and the vibrating mechanism of the utility model;

[0017] Figure 5 It is structure schematic view of the clamping mechanism of the utility model.

[0018] In the drawing: 1, tooling table top; 2, limiting mechanism; 201, first drive motor; 202, first main shaft; 203, first main gear; 204, first slave gear; 205, first slave shaft; 206, second main gear; 207, second slave gear; 208, turntable; 209, first limiting column; 2010, link frame; 2011, second limiting column; 2012, limiting clamp;

[0019] 3, vibrating mechanism; 301, second drive motor; 302, double-track turntable; 303, belt; 304, roller gear; 305, pinion; 306, transmission shaft; 307, eccentric wheel;

[0020] 4, clamping mechanism; 401, elastic frame; 402, hydraulic rod; 403, extension spring; 404, mounting seat; 405, pin; 406, clamping plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0022] As Figures 1-5 shown, the utility model provides a kind of vibration table test tool, including tooling table top 1, the middle part of tooling table top 1 is equipped with limiting mechanism 2, and the two sides of tooling table top 1 are symmetrically provided with vibrating mechanism 3, and the two ends of each vibrating mechanism 3 are equipped with clamping mechanism 4.

[0023] The limiting mechanism 2 comprises a first driving motor 201 fixedly connected with the bottom end of the tooling table top 1, the transmission end of the first driving motor 201 is fixedly connected with a first main rotating shaft 202, the top of the first main rotating shaft 202 is fixedly connected with a first main gear 203, the two sides of the first main gear 203 are meshingly connected with first slave gears 204, the bottom end of the first slave gears 204 is fixedly connected with a first slave rotating shaft 205, the bottom end of the first slave rotating shaft 205 is installed with a second main gear 206, one side of the second main gear 206 is meshingly connected with a second slave gear 207, the bottom end of the second slave gear 207 is fixedly connected with a rotating disc 208, the bottom end side of the rotating disc 208 is fixedly connected with a first limiting column 209, the outer side of the first limiting column 209 is sleeved with a connecting frame 2010, one end of the connecting frame 2010 is movably installed with a second limiting column 2011, the top of the second limiting column 2011 is installed with a limiting clamp 2012.

[0024] Specifically, in use, in order to control the amplitude of vibration, the first driving motor 201 is driven to rotate to drive the first main rotating shaft 202 to rotate, so that the first main rotating shaft 202 drives the two first slave gears 204 on the sides to rotate, and then drives the first slave rotating shaft 205 at the bottom to rotate, and then drives the second main gear 206 to rotate, and then drives the second slave gear 207 to rotate through the second main gear 206, so that the rotating disc 208 at the bottom is driven to rotate, and in the process of rotating the rotating disc 208, the first limiting column 209 is driven to rotate to adjust the connecting frame 2010 to drag the second limiting column 2011, so that the limiting clamp 2012 on the second limiting column 2011 is used to vibrate the vibration mechanism 3, and the amplitude of vibration is controlled.

[0025] The vibration mechanism 3 comprises a second driving motor 301 arranged at the bottom end of the tooling table top 1, the transmission end of the second driving motor 301 is fixedly connected with a double-track rotating disc 302, the outer side of the double-track rotating disc 302 is transmissionally connected with a belt 303, one end of the belt 303 is transmissionally connected with a roller gear 304, the outer side of the roller gear 304 is meshingly connected with a pinion 305, the middle part of the pinion 305 is fixedly connected with a transmission shaft 306, one end of the transmission shaft 306 is fixedly connected with an eccentric wheel 307, and the outer side of the transmission shaft 306 is sleeved with the limiting clamp 2012.

[0026] When in use, the rotation of the second driving motor 301 drives the double-track turntable 302 to rotate, so that the double-track turntable 302 drives the belt 303 to rotate in the process of rotating, so that one end of the belt 303 drives the roller gear 304 to rotate, the rotation of the roller gear 304 drives the pinion 305 to rotate, so that the pinion 305 drives the transmission shaft 306 to rotate in the process of rotating, so that the eccentric wheels 307 at both ends rotate, thereby losing weight up and down, so that the workbench 1 vibrates up and down, facilitating the vibration table test.

[0027] The clamping mechanism 4 comprises an elastic frame 401 fixedly connected to the top of the workbench 1, a hydraulic rod 402 fixedly connected to the top of the elastic frame 401, a telescopic spring 403 sleeved outside the hydraulic rod 402, an installation seat 404 fixedly connected to the top of the hydraulic rod 402, and a pin 405 threadedly connected to one end of the top of the installation seat 404, and a clamping plate 406 provided at one end of the pin 405.

[0028] Specifically, when vibrating, in order to facilitate the vibration amplitude test, when the vibration mechanism 3 vibrates, the hydraulic rod 402 is used to perform hydraulic expansion and contraction up and down, and the elastic frame 401 is used to perform elastic vibration frequency transmission, so as to perform vibration test, and the pin 405 at one end of the installation seat 404 pushes the clamping plate 406 to fix the vibrating object, facilitating the test use.

[0029] It should be noted that in this document, the terms "comprise", "comprise", or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or other elements inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article or device that includes the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to the order of performing the functions shown or discussed, but can also include performing the functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0030] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative, but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims.

Claims

1. A vibration table test fixture comprising a fixture table (1), characterised in that, The middle part of the tool table (1) is provided with a limiting mechanism (2), and both sides of the tool table (1) are symmetrically provided with a vibrating mechanism (3), and both ends of each vibrating mechanism (3) are provided with a clamping mechanism (4); The limiting mechanism (2) comprises a first driving motor (201) fixedly connected with the bottom end of the tool table (1), a first main rotating shaft (202) fixedly connected with the transmission end of the first driving motor (201), a first main gear (203) fixedly connected with the top of the first main rotating shaft (202), first slave gears (204) meshedly connected with the two sides of the first main gear (203), a first slave rotating shaft (205) fixedly connected with the bottom end of the first slave gear (204), a second main gear (206) installed at the bottom end of the first slave rotating shaft (205), a second slave gear (207) meshedly connected with one side of the second main gear (206), a rotating disc (208) fixedly connected with the bottom end of the second slave gear (207), and a first limiting column (209) fixedly connected with the bottom end side of the rotating disc (208).

2. The vibration table test tooling of claim 1, wherein: The outer side of the first limiting column (209) is provided with a connecting frame (2010), one end of the connecting frame (2010) is movably provided with a second limiting column (2011), and the top of the second limiting column (2011) is provided with a limiting clamp (2012).

3. The vibration table test fixture of claim 1, wherein: The vibrating mechanism (3) comprises a second driving motor (301) arranged at the bottom end of the tool table (1), a double-track rotating disc (302) fixedly connected with the transmission end of the second driving motor (301), a belt (303) transmissionally connected with the outer side of the double-track rotating disc (302), a roller gear (304) transmissionally connected with one end of the belt (303), a pinion (305) meshedly connected with the outer side of the roller gear (304), and a transmission shaft (306) fixedly connected with the middle part of the pinion (305).

4. The vibration table test fixture of claim 3, wherein: One end of the transmission shaft (306) is fixedly connected with an eccentric wheel (307), and the outer side of the transmission shaft (306) is provided with the limiting clamp (2012).

5. The vibration table test fixture of claim 1, wherein: The clamping mechanism (4) comprises an elastic frame (401) fixedly connected with the top of the tool table (1), a hydraulic rod (402) fixedly connected with the top of the elastic frame (401), a telescopic spring (403) provided on the outer side of the hydraulic rod (402), a mounting seat (404) fixedly connected with the top of the hydraulic rod (402), a pin (405) threadedly connected with one end of the top of the mounting seat (404), and a clamping plate (406) arranged at one end of the pin (405).

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