CN103645025B - Three-way vibration testing machine based on cam mechanism - Google Patents
Three-way vibration testing machine based on cam mechanism Download PDFInfo
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Abstract
本发明涉及机械设备技术领域，尤其涉及一种振动试验机。基于凸轮机构的三向振动试验机，包括机座、调速电机、箱体、主振动平台、驱动机构，驱动机构包括凸轮机构、从动导杆A、直线轴承、从动导杆B，凸轮机构包括圆柱凸轮、凸轮轨迹槽，圆柱凸轮的传动轴连接调速电机。从动导杆A的一端设置在凸轮轨迹槽内，另一端与直线轴承的滑块固定连接。从动导杆B的一端连接直线轴承的滑块，另一端与辅助振动平台连接。主振动平台上设有导向槽，导向槽沿运动方向45°倾斜设置。辅助振动平台上固定有X向导向杆，X向导向杆在导向槽中相对滑动。本发明由于使用了以机械为主体的凸轮机构运行、控制简单，对相应的测试系统没有干扰。
The invention relates to the technical field of mechanical equipment, in particular to a vibration testing machine. A three-way vibration testing machine based on a cam mechanism, including a machine base, a speed-regulating motor, a box, a main vibration platform, and a driving mechanism. The driving mechanism includes a cam mechanism, a driven guide rod A, a linear bearing, a driven guide rod B, and a cam The mechanism comprises a cylindrical cam and a cam track groove, and the drive shaft of the cylindrical cam is connected with a speed regulating motor. One end of the driven guide rod A is arranged in the cam track groove, and the other end is fixedly connected with the slide block of the linear bearing. One end of the driven guide rod B is connected with the slide block of the linear bearing, and the other end is connected with the auxiliary vibration platform. There is a guide groove on the main vibration platform, and the guide groove is inclined at 45° along the movement direction. An X-direction guide rod is fixed on the auxiliary vibration platform, and the X-direction guide rod slides relatively in the guide groove. Because the present invention uses the cam mechanism with machinery as the main body, the operation and control are simple, and there is no interference to the corresponding test system.
Description
技术领域technical field
本发明涉及机械设备技术领域，尤其涉及一种振动试验机。The invention relates to the technical field of mechanical equipment, in particular to a vibration testing machine.
背景技术Background technique
振动试验机是模拟产品在制造、组装运输及使用执行阶段中所遭遇的各种环境，用以鉴定产品是否忍受环境振动的能力，用于发现早期故障、模拟实际工况考核和结构强度等试验的试验设备。适用于电子、机电、光电、汽机车、玩具等各行各业的研究、开发、品管、制造。The vibration testing machine is used to simulate various environments encountered by the product during the manufacturing, assembly, transportation and use execution stages, to identify whether the product can withstand environmental vibration, to find early faults, to simulate actual working conditions and structural strength tests. test equipment. It is suitable for research, development, quality control, and manufacturing in various industries such as electronics, electromechanical, optoelectronics, automobiles, toys, etc.
常用的振动试验机有：电动振动试验台、机械式振动试验台和液压振动试验台等。其中，机械式振动试验台因其测试时干扰小、控制简单等优点被广泛应用于振动试验机。但是现有的机械式振动试验台存在如下缺陷：结构复杂、体积庞大、安装和维护不方便、振动轨迹不稳定等。Commonly used vibration testing machines include: electric vibration test bench, mechanical vibration test bench and hydraulic vibration test bench, etc. Among them, the mechanical vibration test bench is widely used in vibration testing machines due to its advantages of small interference and simple control during testing. However, the existing mechanical vibration test bench has the following defects: complex structure, bulky, inconvenient installation and maintenance, and unstable vibration track.
发明内容Contents of the invention
本发明的目的在于，提供一种基于凸轮机构的三向振动试验机，解决以上技术问题。The object of the present invention is to provide a three-way vibration testing machine based on a cam mechanism to solve the above technical problems.
本发明所解决的技术问题可以采用以下技术方案来实现：The technical problem solved by the present invention can adopt following technical scheme to realize:
基于凸轮机构的三向振动试验机，包括一机座，所述机座上设有一调速电机、一箱体，所述箱体上设有主振动平台，所述箱体内设有驱动所述振动平台振动的驱动机构，其特征在于，所述驱动机构包括一凸轮机构、一从动导杆A、一直线轴承、一从动导杆B，所述凸轮机构包括设置在所述箱体内的圆柱凸轮、设置在所述圆柱凸轮上的凸轮轨迹槽，所述圆柱凸轮的传动轴连接所述调速电机；The three-way vibration testing machine based on the cam mechanism includes a machine base on which a speed-regulating motor and a box are provided. The driving mechanism for the vibration of the vibration platform is characterized in that the driving mechanism includes a cam mechanism, a driven guide rod A, a linear bearing, and a driven guide rod B, and the cam mechanism includes a The cylindrical cam, the cam track groove arranged on the cylindrical cam, the transmission shaft of the cylindrical cam is connected to the speed regulating motor;
所述从动导杆A的一端设置在所述凸轮轨迹槽内，另一端与所述直线轴承的滑块固定连接；所述从动导杆B的一端连接所述直线轴承的滑块，另一端与一辅助振动平台连接；One end of the driven guide rod A is arranged in the cam track groove, and the other end is fixedly connected with the slider of the linear bearing; one end of the driven guide rod B is connected with the slider of the linear bearing, and the other end is connected with the slider of the linear bearing. One end is connected with an auxiliary vibration platform;
所述主振动平台上设有一导向槽，所述导向槽沿运动方向45°倾斜设置；所述辅助振动平台上固定有一X向导向杆，所述X向导向杆在所述导向槽中相对滑动；A guide groove is provided on the main vibration platform, and the guide groove is inclined at 45° along the movement direction; an X-direction guide rod is fixed on the auxiliary vibration platform, and the X-direction guide rod slides relatively in the guide groove ;
本发明工作时，调速电机驱动凸轮机构的传动轴转动，由于圆柱凸轮上设有凸轮轨迹槽，随着圆柱凸轮的转动，凸轮轨迹槽内的从动导杆A可以产生沿Y方向（左右方向）一定轨迹运动的振动；同时，可以设置凸轮轨迹槽的槽深按一定轨迹渐进改变，在从动导杆A沿凸轮轨迹槽内运动产生Y方向振动的同时，也产生Z方向（上下方向）一定轨迹运动的振动。Y方向和Z方向的振动可以直接表现在辅助振动平台上。由于X、Y方向上导向槽的设置，导向槽在X与Y方向的运动轨迹为1：1，在辅助振动平台发生Y方向的振动时，在X向导向杆与导向槽的作用下，主振动平台也发生X方向振动。此时，X方向、Y方向和Z方向均发生振动，实现了三向振动的目的。When the present invention works, the speed-regulating motor drives the drive shaft of the cam mechanism to rotate. Since the cylindrical cam is provided with a cam track groove, along with the rotation of the cylindrical cam, the driven guide rod A in the cam track groove can generate direction) vibration of a certain track movement; at the same time, the groove depth of the cam track groove can be set to change gradually according to a certain track. When the driven guide rod A moves along the cam track groove to generate vibration in the Y direction, it also generates vibration in the Z direction (up and down direction) ) The vibration of a certain track motion. Vibrations in the Y and Z directions can be directly expressed on the auxiliary vibration platform. Due to the setting of the guide groove in the X and Y directions, the movement trajectory of the guide groove in the X and Y directions is 1:1. When the auxiliary vibration platform vibrates in the Y direction, under the action of the X-direction guide rod and the guide groove, the main The vibrating platform also vibrates in the X direction. At this time, vibration occurs in the X direction, the Y direction and the Z direction, realizing the purpose of three-way vibration.
另外，本发明在需要实现不同类型的振动轨迹时，只要更换不同类型凸轮轨迹槽的圆柱凸轮即可。In addition, when different types of vibration tracks need to be realized in the present invention, it is only necessary to replace the cylindrical cams with different types of cam track grooves.
所述调速电机优选采用伺服电机，所述伺服电机通过一联轴器连接所述圆柱凸轮的传动轴。伺服电机转速可以改变相应的振动频率，从而实现不同频率的振动试验。The speed-regulating motor is preferably a servo motor, and the servo motor is connected to the transmission shaft of the cylindrical cam through a coupling. The speed of the servo motor can change the corresponding vibration frequency, so as to realize the vibration test of different frequencies.
所述从动导杆A的一端端部通过滚动轴承镶嵌在所述凸轮轨迹槽中，以减少工作阻力；所述从动导杆A的另一端通过螺纹连接的方式与所述直线轴承的滑块连接；One end of the driven guide rod A is embedded in the cam track groove through a rolling bearing to reduce working resistance; the other end of the driven guide rod A is screwed to the slider of the linear bearing connect;
所述从动导杆B的一端通过螺纹连接的方式与所述直线轴承的滑块连接；所述从动导杆B的另一端与所述辅助振动平台紧固连接。在调速电机的控制下，圆柱凸轮转动，从动导杆A、滑块、从动导杆B和辅助振动平台一起作Y方向和Z方向的往复运动。One end of the driven guide rod B is connected to the slider of the linear bearing through a threaded connection; the other end of the driven guide rod B is firmly connected to the auxiliary vibration platform. Under the control of the speed-regulating motor, the cylindrical cam rotates, and the driven guide rod A, the slider, the driven guide rod B and the auxiliary vibration platform reciprocate in the Y direction and the Z direction together.
所述箱体包括设置在机座上的箱体底座、箱体侧板、箱体上盖连接成一矩形箱体；所述驱动机构设置在所述箱体内，所述传动轴伸出于所述箱体侧板，所述辅助振动平台设置在所述箱体上盖上方，所述主振动平台设置在所述辅助振动平台上方。The box body includes a box body base arranged on the machine base, a box body side plate, and a box body upper cover connected to form a rectangular box body; the driving mechanism is arranged in the box body, and the transmission shaft protrudes from the The side plate of the box body, the auxiliary vibration platform is arranged above the upper cover of the box body, and the main vibration platform is arranged above the auxiliary vibration platform.
为了保证Z方向振动时稳定工作，本发明还设有两个Z向运动平衡组件：In order to ensure stable work when vibrating in the Z direction, the present invention also has two Z-direction motion balance components:
还包括一直线导轨、一直线导轨滑块、两组Z向运动平衡组件，所述直线导轨水平设置在所述箱体内，所述直线导轨滑块与所述直线导轨水平滑动连接；所述直线轴承设置在所述滑块上；It also includes a linear guide rail, a linear guide rail slider, and two groups of Z-direction motion balance components, the linear guide rail is horizontally arranged in the box, and the linear guide rail slider is horizontally slidably connected to the linear guide rail; the linear guide rail The bearing is arranged on the slider;
所述Z向运动平衡组件采用一弹性机构，所述直线导轨的两端分别通过两个Z向运动平衡组件设置在所述箱体侧板内。在从动导杆A带动滑块和从动导杆B作Z向运动时，由于直线导轨限定在Z向运动平衡组件中，保证了Z向运动的稳定，进而保证了主振动平台在Z向振动时的稳定工作状态。The Z-direction motion balance assembly adopts an elastic mechanism, and the two ends of the linear guide rail are respectively arranged in the side plate of the box through two Z-direction motion balance assemblies. When the driven guide rod A drives the slider and the driven guide rod B to move in the Z direction, since the linear guide rail is limited in the Z direction motion balance assembly, the stability of the Z direction movement is ensured, thereby ensuring that the main vibration platform is in the Z direction. Stable working condition under vibration.
所述弹性机构包括依次从下往上设置在所述箱体侧板内的下弹簧支撑杆、下弹簧托板、上弹簧托板、上弹簧支撑杆，所述下弹簧支撑杆外套设有下平衡弹簧，所述上弹簧支撑杆外套设上平衡弹簧；The elastic mechanism includes a lower spring support rod, a lower spring support plate, an upper spring support plate, and an upper spring support rod arranged in the side plate of the box from bottom to top in sequence, and a lower spring support rod is provided on the outer cover of the lower spring support rod. A balance spring, the upper spring support rod is covered with an upper balance spring;
两个所述弹性机构分别设置在相对的两个所述箱体侧板内，所述直线导轨的端部插设在所述下弹簧托板与所述上弹簧托板之间。The two elastic mechanisms are respectively arranged in the two opposite side plates of the box body, and the ends of the linear guide rails are inserted between the lower spring support plate and the upper spring support plate.
所述主振动平台上设有一三向加速度传感器，所述机座的侧边设有一Y向位移传感器，所述机座的后部设有一组Z、X向位移传感器；A three-direction acceleration sensor is provided on the main vibration platform, a Y-direction displacement sensor is provided on the side of the base, and a group of Z and X-direction displacement sensors are provided at the rear of the base;
所述三向加速度传感器、所述Y向位移传感器、所述Z、X向位移传感器的信号输出端均连接一信号处理模块，所述信号处理模块连接一显示模块。The signal output terminals of the three-direction acceleration sensor, the Y-direction displacement sensor, and the Z-direction and X-direction displacement sensors are all connected to a signal processing module, and the signal processing module is connected to a display module.
所述圆柱凸轮上可以设置有两个凸轮轨迹槽，两个所述凸轮轨迹槽的参数可以相同，所述凸轮通过所述驱动机构连接所述辅助振动平台和所述主振动平台。这样可以进行试验产品的振动试验。The cylindrical cam may be provided with two cam track grooves, the parameters of the two cam track grooves may be the same, and the cam is connected to the auxiliary vibration platform and the main vibration platform through the driving mechanism. This enables vibration testing of test products.
两个所述凸轮轨迹槽的参数也可以不相同，则可以进行试验产品的不同振动参数的振动试验。The parameters of the two cam track grooves can also be different, so that vibration tests with different vibration parameters of the test product can be carried out.
所述机座底部设有隔震垫脚。整个驱动机构安装在机座上，并用隔振垫脚支撑，隔离系统振动对基础平台的影响。The bottom of the base is provided with shock-absorbing feet. The entire driving mechanism is installed on the machine base and supported by vibration-isolation pads to isolate the influence of system vibration on the foundation platform.
有益效果：本发明基于凸轮机构产生三向振动，在调速电机的驱动与控制下，凸轮机构实现按一定轨迹的运动，并带动三个从动件按凸轮轨迹同步运动，从而达到三个方向的同步、同轨迹振动。本发明结构较简单、振动轨迹稳定、体积小、安装维护使用方便。由于使用了以机械为主体的凸轮机构运行、控制简单，对相应的测试系统没有干扰。尤其是在振动轨迹的形成与控制方面，其造价远远低于其它类型的振动试验机。Beneficial effects: the present invention generates three-way vibration based on the cam mechanism. Under the drive and control of the speed-regulating motor, the cam mechanism realizes the movement according to a certain track, and drives the three followers to move synchronously according to the cam track, thereby achieving three directions. Synchronous, same track vibration. The invention has the advantages of simple structure, stable vibration track, small volume and convenient installation, maintenance and use. Due to the use of the mechanical cam mechanism as the main body, the operation is simple and the control is simple, and there is no interference to the corresponding test system. Especially in the formation and control of the vibration track, its cost is far lower than other types of vibration testing machines.
附图说明Description of drawings
图1为本发明的整体结构示意图；Fig. 1 is the overall structure schematic diagram of the present invention;
图2为本发明驱动机构的结构示意图；Fig. 2 is the structural representation of driving mechanism of the present invention;
图3为图2的俯视图；Fig. 3 is the top view of Fig. 2;
图4为凸轮机构的结构示意图；Fig. 4 is the structural representation of cam mechanism;
图5为本发明振动试验机的振动运行轨迹；Fig. 5 is the vibration track of the vibration testing machine of the present invention;
图6为本发明Z向运动平衡组件的结构示意图。Fig. 6 is a schematic structural diagram of the Z-direction motion balance assembly of the present invention.
具体实施方式detailed description
为了本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本发明。In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific illustrations.
参照图1、图2、图3，基于凸轮机构的三向振动试验机，包括机座1，机座1上设有调速电机2、箱体，调速电机2优选采用伺服电机。箱体上设有主振动平台7，箱体内设有驱动振动平台振动的驱动机构，驱动机构包括凸轮机构4、从动导杆A、直线轴承5、从动导杆B。Referring to Fig. 1, Fig. 2 and Fig. 3, the three-way vibration testing machine based on the cam mechanism includes a machine base 1, which is provided with a speed-regulating motor 2 and a box, and the speed-regulating motor 2 is preferably a servo motor. The main vibration platform 7 is arranged on the box body, and the driving mechanism for driving the vibration platform to vibrate is arranged in the box body. The driving mechanism includes a cam mechanism 4, a driven guide rod A, a linear bearing 5, and a driven guide rod B.
参照图4，凸轮机构4包括设置在箱体内的圆柱凸轮41、设置在圆柱凸轮41上的凸轮轨迹槽42，圆柱凸轮41的传动轴通过联轴器3连接调速电机2。从动导杆A的一端端部通过滚动轴承镶嵌在凸轮轨迹槽42内，另一端通过螺纹连接的方式与直线轴承5的滑块固定连接。从动导杆B的一端通过螺纹连接的方式连接直线轴承5的滑块，另一端与辅助振动平台6紧固连接。主振动平台7上设有导向槽81，导向槽81沿运动方向45°倾斜设置；辅助振动平台6上固定有X向导向杆82，X向导向杆82在导向槽81中相对滑动。Referring to FIG. 4 , the cam mechanism 4 includes a cylindrical cam 41 disposed in the casing, a cam track groove 42 disposed on the cylindrical cam 41 , and the drive shaft of the cylindrical cam 41 is connected to the speed regulating motor 2 through a coupling 3 . One end of the driven guide rod A is embedded in the cam track groove 42 through a rolling bearing, and the other end is fixedly connected with the slider of the linear bearing 5 through a threaded connection. One end of the driven guide rod B is connected to the slide block of the linear bearing 5 through a threaded connection, and the other end is fastened to the auxiliary vibration platform 6 . The main vibration platform 7 is provided with a guide groove 81, which is inclined at 45° along the movement direction; the auxiliary vibration platform 6 is fixed with an X-direction guide rod 82, and the X-direction guide rod 82 slides relatively in the guide groove 81.
本发明工作时，调速电机2驱动凸轮机构4的传动轴转动，由于圆柱凸轮41上设有凸轮轨迹槽42，随着圆柱凸轮41的转动，凸轮轨迹槽42内的从动导杆A可以产生沿Y方向（左右方向）一定轨迹运动的振动；同时，可以设置凸轮轨迹槽42的槽深按一定轨迹渐进改变，在从动导杆A沿凸轮轨迹槽42内运动产生Y方向振动的同时，也产生Z方向（上下方向）一定轨迹运动的振动。Y方向和Z方向的振动可以直接表现在辅助振动平台6上。参照图5，本发明优选采用正弦运行轨迹。由于XY方向上导向槽81的设置，导向槽81在X与Y方向的运动轨迹为1：1，在辅助振动平台6发生Y方向的振动时，在X向导向杆82与导向槽81的作用下，主振动平台7也发生X方向振动。此时，X方向、Y方向和Z方向均发生振动，实现了三向振动的目的。另外，本发明在需要实现不同类型的振动轨迹时，只要更换不同类型凸轮轨迹槽42的圆柱凸轮41即可。During the work of the present invention, the transmission shaft of the speed regulating motor 2 drives the cam mechanism 4 to rotate, because the cylindrical cam 41 is provided with a cam track groove 42, along with the rotation of the cylindrical cam 41, the driven guide rod A in the cam track groove 42 can be Generate vibration along a certain track in the Y direction (left and right direction); at the same time, the groove depth of the cam track groove 42 can be set to gradually change according to a certain track, and when the driven guide rod A moves along the cam track groove 42 to generate vibration in the Y direction , and also generate vibration of a certain track motion in the Z direction (up and down). The vibrations in the Y direction and the Z direction can be directly expressed on the auxiliary vibration platform 6 . Referring to Fig. 5, the present invention preferably adopts a sinusoidal running track. Due to the setting of the guide groove 81 in the XY direction, the movement trajectory of the guide groove 81 in the X and Y directions is 1:1. Next, the main vibration platform 7 also vibrates in the X direction. At this time, vibration occurs in the X direction, the Y direction and the Z direction, realizing the purpose of three-way vibration. In addition, in the present invention, when different types of vibration tracks need to be realized, it is only necessary to replace the cylindrical cams 41 of different types of cam track grooves 42 .
参照图2，箱体包括设置在机座1上的箱体底座91、箱体侧板92、箱体上盖93连接成一矩形箱体。驱动机构设置在箱体内，传动轴伸出于箱体侧板92，辅助振动平台6设置在箱体上盖93上方，主振动平台7设置在辅助振动平台6上方。Referring to FIG. 2 , the box body includes a box body base 91 arranged on the machine base 1 , a box body side plate 92 , and a box body upper cover 93 connected to form a rectangular box body. The driving mechanism is arranged in the box body, the transmission shaft protrudes from the side plate 92 of the box body, the auxiliary vibration platform 6 is arranged above the box body upper cover 93 , and the main vibration platform 7 is arranged above the auxiliary vibration platform 6 .
参照图6，为了保证Z方向振动时稳定工作，本发明还设有两个Z向运动平衡组件：还包括直线导轨101、直线导轨滑块102、两组Z向运动平衡组件，直线导轨101水平设置在箱体内，直线导轨滑块102与直线导轨101水平滑动连接，直线轴承5设置在滑块上。Z向运动平衡组件采用一弹性机构，直线导轨101的两端分别通过两个Z向运动平衡组件设置在箱体侧板92内。在从动导杆A带动滑块和从动导杆B作Z向运动时，由于直线导轨101限定在Z向运动平衡组件中，保证了Z向运动的稳定，进而保证了主振动平台7在Z向振动时的稳定工作状态。Referring to Fig. 6, in order to ensure stable operation during vibration in the Z direction, the present invention is also provided with two Z-direction motion balance components: a linear guide rail 101, a linear guide rail slider 102, two groups of Z-direction motion balance components, and the linear guide rail 101 is horizontal Arranged in the box, the linear guide rail slider 102 is horizontally slidingly connected with the linear guide rail 101, and the linear bearing 5 is arranged on the slider. The Z-direction motion balance assembly adopts an elastic mechanism, and the two ends of the linear guide rail 101 are respectively arranged in the side plate 92 of the box through two Z-direction motion balance assemblies. When the driven guide rod A drives the slider and the driven guide rod B to move in the Z direction, since the linear guide rail 101 is limited in the Z direction motion balance assembly, the stability of the Z direction movement is ensured, thereby ensuring that the main vibration platform 7 is in the Z direction. Stable working state when vibrating in the Z direction.
弹性机构包括依次从下往上设置在箱体侧板92内的下弹簧支撑杆103、下弹簧托板104、上弹簧托板105、上弹簧支撑杆106，下弹簧支撑杆103外套设有下平衡弹簧107，上弹簧支撑杆106外套设上平衡弹簧108。两个弹性机构分别设置在相对的两个箱体侧板92内，直线导轨101的端部插设在下弹簧托板104与上弹簧托板105之间。The elastic mechanism comprises a lower spring supporting rod 103, a lower spring supporting plate 104, an upper spring supporting plate 105, and an upper spring supporting rod 106 arranged in the casing side plate 92 from bottom to top in turn, and the lower spring supporting rod 103 is covered with a lower spring supporting rod. The balance spring 107, the upper spring support rod 106 is covered with an upper balance spring 108. The two elastic mechanisms are respectively arranged in the two opposite box side plates 92 , and the end of the linear guide rail 101 is inserted between the lower spring support plate 104 and the upper spring support plate 105 .
参照图1、图3，主振动平台7上设有一三向加速度传感器110，机座1的侧边设有Y向位移传感器111，机座的后部设有Z、X向位移传感器112。三向加速度传感器110、Y向位移传感器111和Z、X向位移传感器112的信号输出端均连接信号处理模块，信号处理模块连接显示模块。Referring to Fig. 1 and Fig. 3, a three-way acceleration sensor 110 is provided on the main vibration platform 7, a Y-direction displacement sensor 111 is provided on the side of the support 1, and a Z and X-direction displacement sensor 112 is provided at the rear of the support. The signal output terminals of the three-direction acceleration sensor 110 , the Y-direction displacement sensor 111 and the Z-direction and X-direction displacement sensors 112 are all connected to a signal processing module, and the signal processing module is connected to a display module.
参照图4，圆柱凸轮41上可以设置有两个凸轮轨迹槽42，两个凸轮轨迹槽42的参数可以相同也可以不相同，其他结构也对称设置，圆柱凸轮41通过驱动机构连接辅助振动平台6和主振动平台7。两个凸轮轨迹槽的参数不相同时则通过变动从动导杆A与两个凸轮轨迹槽的连接，可以进行试验产品的不同振动参数的振动试验。Referring to Fig. 4, two cam track grooves 42 can be arranged on the cylindrical cam 41, and the parameters of the two cam track grooves 42 can be the same or different, and other structures are also arranged symmetrically, and the cylindrical cam 41 is connected to the auxiliary vibration platform 6 through a driving mechanism. And main vibration platform 7. When the parameters of the two cam track grooves are different, the vibration test of different vibration parameters of the test product can be carried out by changing the connection between the driven guide rod A and the two cam track grooves.
参照图1，机座1底部设有隔震垫脚11。整个驱动机构安装在机座1上，并用隔振垫脚11支撑，隔离系统振动对基础平台的影响。Referring to FIG. 1 , the base 1 is provided with shock-absorbing feet 11 . The entire driving mechanism is installed on the base 1 and supported by vibration-isolation feet 11 to isolate the influence of system vibration on the foundation platform.
以上显示和描述本发明的基本原理和主要特征本发明的优点。本行业的技术人员应该了解本发明不受上述使用方法的限制，上述使用方法和说明书中描述的只是说本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护本发明范围内本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned method of use. What is described in the above-mentioned method of use and the description is only the principle of the present invention. The present invention will also have various functions without departing from the spirit and scope of the present invention. Changes and improvements, which fall within the scope of the claimed invention, are defined by the appended claims and their equivalents.
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| CN108044695B (en) * | 2018-01-05 | 2019-06-14 | 南京工程学院 | A mechanical torsional vibration table based on space cam |
| CN109000604A (en) * | 2018-04-11 | 2018-12-14 | 哈尔滨工程大学 | A kind of ice sheet vibration displacement measuring device |
| CN110207919B (en) * | 2019-05-14 | 2020-12-04 | 东莞市飞音电子有限公司 | A kind of car DVD host anti-vibration performance test equipment |
| CN114199756A (en) * | 2021-12-23 | 2022-03-18 | 上海工程技术大学 | Motion dummy power device and motion testing method |
| CN114252221A (en) * | 2021-12-23 | 2022-03-29 | 苏州浪潮智能科技有限公司 | A road transportation vibration test device and test method suitable for servers |
| CN114160400B (en) * | 2022-01-20 | 2022-07-26 | 南京航空航天大学 | Vibration generating device with adjustable amplitude and frequency |
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| CN102004023A (en) * | 2010-12-20 | 2011-04-06 | 柳州五菱汽车有限责任公司 | Finished automobile vibration testing device and finished automobile vibration testing platform comprising same |
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| CN102004023A (en) * | 2010-12-20 | 2011-04-06 | 柳州五菱汽车有限责任公司 | Finished automobile vibration testing device and finished automobile vibration testing platform comprising same |
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