CN104330254A - Experiment table for simulating gear combined faults and simulation method - Google Patents
Experiment table for simulating gear combined faults and simulation method Download PDFInfo
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Abstract
本发明属于实验技术领域，具体涉及一种可实现对不同种类、不同型号齿轮进行单一故障和复合故障模拟的实验台及模拟方法，所述实验台包括底座上转动设置的第一转轴、第二转轴，所述第一转轴与第二转轴之间的垂直距离为可调式设置，所述第一转轴与电机主轴同步转动连接，所述第一、第二转轴上各设有至少两个故障模拟齿轮，所述故障模拟齿轮沿各自所在转轴的轴向可调式固定连接；实验台还包括用于检测第一、第二转轴径向振动和轴向振动的传感器。本发明提供的齿轮实验台及模拟方法能够通过调整故障模拟齿轮在转轴上的位置来使不同故障的齿轮之间进行啮合，检验多种故障形式对齿轮传动的影响，另外，本发明的第一、第二转轴之间的距离可调，齿轮易于拆卸、安装，因此本发明适用于不同种类、不同型号的齿轮。
The invention belongs to the technical field of experimentation, and specifically relates to an experimental platform and a simulation method capable of simulating single faults and compound faults for different types and types of gears. Rotating shaft, the vertical distance between the first rotating shaft and the second rotating shaft is adjustable, the first rotating shaft is connected to the motor shaft for synchronous rotation, and the first and second rotating shafts are respectively equipped with at least two fault simulation Gears, said fault simulation gears are axially adjustable and fixedly connected along their respective rotating shafts; the test bench also includes sensors for detecting radial and axial vibrations of the first and second rotating shafts. The gear test bench and simulation method provided by the present invention can mesh gears with different faults by adjusting the position of the fault simulation gear on the rotating shaft, and check the influence of various fault forms on gear transmission. In addition, the first 1. The distance between the second rotating shafts is adjustable, and the gears are easy to disassemble and install, so the present invention is applicable to gears of different types and models.
Description
技术领域technical field
本发明涉及一种可对不同种类、不同型号齿轮进行单一故障及复合故障模拟的实验台及模拟方法，属于实验技术领域。The invention relates to an experimental platform and a simulation method capable of simulating single faults and compound faults for gears of different types and models, and belongs to the technical field of experiments.
背景技术Background technique
齿轮是机械设备常用的传动部件，齿轮在长时间运转之后往往会因为摩擦、过载等原因造成点蚀(齿面上出现被磨损的坑洼小点)、断齿(有齿型产生断裂)、胶合(两个齿轮啮合过程中一个齿轮齿面的材料粘连到另一个齿轮的齿面上)等故障，以及这三者中的任两者或三者所构成的复合故障。现有的齿轮实验台大多只能模拟点蚀、断齿、胶合等故障的其中一种，无法模拟两种及两种以上故障组合形成的复合故障；另外，现有实验台只能针对直齿或斜齿中的一种进行模拟，且不能模拟锥齿轮的运行状态，不具有通用性。鉴于此，设计、开发一种可以对不同种类、不同型号齿轮进行单一故障及复合故障模拟的实验台及模拟方法，从而为齿轮复杂故障的研究与监测提供基础，具有重要意义。Gears are commonly used transmission parts of mechanical equipment. After long-term operation, gears often cause pitting (abrasive pits appear on the tooth surface) and broken teeth (broken due to tooth types) due to friction, overload, etc. Faults such as gluing (the material of one gear tooth surface adheres to the tooth surface of the other gear during the meshing process of two gears), and any two or three of these three constitute compound faults. Most of the existing gear test benches can only simulate one of the faults such as pitting, broken teeth, and gluing, and cannot simulate the composite fault formed by the combination of two or more faults; in addition, the existing test benches can only be used for straight gears Or one of the helical gears for simulation, and cannot simulate the running state of bevel gears, so it is not universal. In view of this, it is of great significance to design and develop a test bench and simulation method that can simulate single faults and compound faults for different types and types of gears, so as to provide a basis for the research and monitoring of gear complex faults.
发明内容Contents of the invention
本发明要解决的技术问题是克服已有技术之缺陷，提供一种能够模拟多种齿轮组合故障且适用于多种型号、多种种类齿轮的实验台及模拟方法。The technical problem to be solved by the present invention is to overcome the defects of the prior art, and provide a test bench and a simulation method that can simulate failures of various gear combinations and are suitable for various types and types of gears.
本发明所述技术问题是以下述技术方案实现的：Technical problem described in the present invention is realized with following technical scheme:
一种模拟齿轮组合故障的实验台，所述实验台包括底座上转动设置的第一转轴第二转轴所述第一转轴与第二转轴之间的垂直距离为可调式设置，所述第一转轴与电机主轴同步转动连接，所述第一、第二转轴上各设有至少两个故障模拟齿轮，所述故障模拟齿轮沿各自所在转轴的轴向可调式固定连接；实验台还包括用于检测第一、第二转轴径向振动和轴向振动的传感器；An experimental bench for simulating gear combination faults, the experimental bench includes a first rotating shaft and a second rotating shaft rotated on a base, the vertical distance between the first rotating shaft and the second rotating shaft is adjustable, and the first rotating shaft It is connected with the motor shaft for synchronous rotation, and each of the first and second rotating shafts is provided with at least two fault simulation gears, and the fault simulation gears are adjustable and fixedly connected along the axial direction of their respective rotating shafts; the test bench also includes a Sensors for radial vibration and axial vibration of the first and second rotating shafts;
本发明还提供了一种利用上述模拟齿轮组合故障实验台进行齿轮组合故障模拟的方法，具体步骤如下：The present invention also provides a method for simulating a gear combination failure using the above-mentioned simulated gear combination failure test bench, the specific steps are as follows:
a.实现不同齿轮组合故障的模拟方法为：拧下用于固定故障模拟齿轮的螺钉，轴向移动、调整故障模拟齿轮位于第一转轴及第二转轴上的位置，使得两根转轴上不同故障的故障模拟齿轮实现啮合，即可模拟一对啮合齿轮的不同组合性故障，此过程需保证第一转轴与第二转轴上只有一对齿轮进行啮合；a. The simulation method for different gear combination faults is: unscrew the screw used to fix the fault simulation gear, move axially, and adjust the position of the fault simulation gear on the first rotating shaft and the second rotating shaft, so that different faults on the two rotating shafts The meshing of the fault simulation gears is realized, and different combination faults of a pair of meshing gears can be simulated. In this process, only one pair of gears on the first rotating shaft and the second rotating shaft should be meshed;
b.实现不同种类或型号齿轮更换方法为：首先卸下联轴器和第一、第二轴承座的上盖，然后将第一转轴与第二转轴整个取出，拧下用于固定故障模拟齿轮与第一、第二转轴的螺钉，即可将转轴上的故障模拟齿轮卸下，从而整体更换另一种类或另一型号类似故障设置的故障模拟齿轮；b. The method of replacing gears of different types or models is as follows: first remove the upper cover of the coupling and the first and second bearing housings, then take out the first shaft and the second shaft as a whole, unscrew the fixed fault simulation gear and The screws of the first and second rotating shafts can remove the fault simulation gear on the rotating shaft, so as to replace the fault simulation gear of another type or another model with similar fault settings as a whole;
c.实现故障模拟齿轮在平行啮合方式与垂直啮合方式之间互相转换的方法为：将插销从当前所在的插座及销套中撤出，并将转盘旋转90°，使另一组销套与插头对齐，再次插入插销即可。c. The method to achieve mutual conversion between the parallel meshing mode and the vertical meshing mode of the fault simulation gear is: withdraw the pin from the current socket and pin sleeve, and rotate the turntable 90°, so that another set of pin sleeves and Align the plugs and insert the pins again.
本发明的技术效果在于：能够调整故障模拟齿轮在转轴上的位置，从而使不同故障的齿轮之间够转动配合，检验多种故障形式对齿轮传动的影响；另外，本发明的第一、第二转轴之间的距离可调，齿轮与转轴间易于安装、拆卸，因此本发明能够适用于不同种类和不同型号的齿轮。The technical effect of the present invention is: the position of the fault simulation gear on the rotating shaft can be adjusted, so that the gears with different faults can rotate and cooperate, and the influence of various fault forms on the gear transmission can be tested; in addition, the first and the first of the present invention The distance between the two rotating shafts is adjustable, and the gear and the rotating shaft are easy to install and disassemble, so the present invention can be applied to gears of different types and models.
附图说明Description of drawings
图1是本发明实施例1的立体结构示意图；Fig. 1 is the three-dimensional structure schematic diagram of embodiment 1 of the present invention;
图2是本发明实施例1的俯视图；Fig. 2 is the top view of embodiment 1 of the present invention;
图3是本发明实施例2的俯视图；Fig. 3 is the top view of embodiment 2 of the present invention;
图4是本发明实施例2中第二转轴实现高度调整的配合示意图。Fig. 4 is a schematic diagram of the height adjustment of the second rotating shaft in Embodiment 2 of the present invention.
图中各标号对应的含义为：10、底座，11、第一转轴，12、第二转轴，13、电机，14、第一轴承座，15、第二轴承座，16、安装孔，17、配合键，18、螺纹孔，19、联轴器，20、故障模拟齿轮，21、轴向凸缘，22、径向螺纹孔，31、径向加速度传感器，32、轴向加速度传感器，40、转盘，41、插销，42、插座，43、销套，44、立柱，45、丝杠。The corresponding meanings of each label in the figure are: 10, base, 11, first rotating shaft, 12, second rotating shaft, 13, motor, 14, first bearing seat, 15, second bearing seat, 16, mounting hole, 17, Cooperating key, 18, threaded hole, 19, shaft coupling, 20, fault simulation gear, 21, axial flange, 22, radial threaded hole, 31, radial acceleration sensor, 32, axial acceleration sensor, 40, Turntable, 41, latch, 42, socket, 43, pin sleeve, 44, column, 45, leading screw.
具体实施方式Detailed ways
下述实施例是对于本发明内容的进一步说明以作为对本发明技术内容的阐释，但本发明的实质内容并不仅限于下述实施例所述，本领域的普通技术人员可以且应当知晓任何基于本发明实质精神的简单变化或替换均应属于本发明所要求的保护范围。The following examples are a further description of the content of the present invention as an explanation of the technical content of the present invention, but the essential content of the present invention is not limited to the following examples, those of ordinary skill in the art can and should know any Simple changes or replacements of the essential spirit of the invention shall fall within the scope of protection required by the present invention.
如图1、2、3、4所示，一种模拟齿轮组合故障的实验台，包括底座10上转动设置的第一转轴11、第二转轴12，所述第一转轴11与第二转轴12之间的垂直距离为可调式设置，所述第一转轴11通过联轴器19与电机13主轴同步转动连接，所述第一、第二转轴11、12上各设有至少两个故障模拟齿轮20，所述故障模拟齿轮20沿各自所在转轴的轴向可调式固定连接；实验台还包括用于检测第一、第二转轴11、12径向振动和轴向振动的传感器。As shown in Figures 1, 2, 3, and 4, a test bench for simulating gear combination failures includes a first rotating shaft 11 and a second rotating shaft 12 that are rotated on a base 10, and the first rotating shaft 11 and the second rotating shaft 12 The vertical distance between them is adjustable. The first rotating shaft 11 is connected to the main shaft of the motor 13 through a coupling 19 for synchronous rotation. The first and second rotating shafts 11, 12 are each provided with at least two fault simulation gears. 20. The fault simulation gears 20 are axially adjustable and fixedly connected along their respective rotating shafts; the test bench also includes sensors for detecting radial and axial vibrations of the first and second rotating shafts 11 and 12.
进一步的，所述第一、第二转轴11、12上各设有七个故障模拟齿轮20，该七个故障模拟齿轮20分别为正常齿轮、点蚀故障齿轮、断齿故障齿轮、胶合故障齿轮、点蚀与断齿复合故障齿轮、点蚀与胶合复合故障齿轮、断齿与胶合复合故障齿轮。Further, the first and second rotating shafts 11 and 12 are respectively provided with seven fault simulation gears 20, and the seven fault simulation gears 20 are respectively normal gears, pitting fault gears, broken tooth fault gears, and glued fault gears. , Pitting corrosion and broken teeth compound fault gear, pitting and gluing compound fault gear, broken teeth and gluing compound fault gear.
进一步的，所述第一、第二转轴11、12的轴面上均设有沿各自轴向连续布置的配合键17，所述各故障模拟齿轮20的中心孔的孔壁上设有键槽，所述配合键17与键槽配合用于使故障模拟齿轮20与各自所在转轴之间同步转动连接；所述第一、第二转轴11、12的轴身上设有多个沿轴向均匀间隔布置的螺纹孔18，所述故障模拟齿轮20的中心孔边缘设有轴向凸缘21，所述轴向凸缘上设有贯穿该凸缘的径向螺纹孔22，所述故障模拟齿轮20与各自所在转轴通过螺纹孔内设置螺钉实现轴向固定。Further, the axial surfaces of the first and second rotating shafts 11 and 12 are provided with mating keys 17 arranged continuously along their respective axial directions, and the hole walls of the central holes of the fault simulation gears 20 are provided with key grooves, The matching key 17 and the keyway are used to make synchronous rotation connection between the fault simulation gear 20 and the respective rotating shafts; the shaft bodies of the first and second rotating shafts 11, 12 are provided with a plurality of uniformly spaced shafts along the axial direction. Threaded hole 18, the edge of the central hole of the fault simulation gear 20 is provided with an axial flange 21, and the radial threaded hole 22 passing through the flange is provided on the described axial flange, and the fault simulation gear 20 is connected with each The rotating shaft is axially fixed by setting screws in the threaded holes.
每一个故障模拟齿轮20可以通过卸除及安装固定螺钉调整其在转轴上的轴向位置，并保证始终只有一对故障模拟齿轮20啮合，其它故障模拟齿轮20悬空，悬空的故障模拟齿轮20作用相当于是一个圆盘，这样可根据需要实现对第一、第二转轴11、12上的任意两个故障模拟齿轮20进行啮合，从而模拟以下组合故障情况：正常-正常、正常-点蚀、正常-断齿、正常-胶合、正常-点蚀与断齿复合、正常-点蚀与胶合复合、正常-断齿与胶合复合、点蚀-点蚀、点蚀-断齿、点蚀-胶合、点蚀-点蚀与断齿复合、点蚀-点蚀与胶合复合、点蚀-断齿与胶合复合、断齿-断齿、断齿-胶合、断齿-点蚀与断齿复合、断齿-点蚀与胶合复合、断齿-断齿与胶合复合、胶合-胶合、胶合-点蚀与断齿复合、胶合-点蚀与胶合复合、胶合-断齿与胶合复合、点蚀与断齿复合-点蚀与断齿复合、点蚀与断齿复合-点蚀与胶合复合、点蚀与断齿复合-断齿与胶合复合、点蚀与胶合复合-点蚀与胶合复合、断齿与胶合复合-断齿与胶合复合。Each fault simulation gear 20 can adjust its axial position on the rotating shaft by removing and installing fixing screws, and ensure that only one pair of fault simulation gears 20 meshes at all times, and the other fault simulation gears 20 are suspended, and the suspended fault simulation gears 20 function It is equivalent to a disc, so that any two fault simulation gears 20 on the first and second rotating shafts 11 and 12 can be meshed according to needs, thereby simulating the following combined fault conditions: normal-normal, normal-pitting, normal -broken tooth, normal-glued, normal-pitting and broken tooth composite, normal-pitting and glued composite, normal-broken tooth and glued composite, pitting-pitting, pitting-broken tooth, pitting-gluing, Pitting corrosion-pitting corrosion and broken teeth composite, pitting corrosion-pitting corrosion and gluing composite, pitting-broken teeth and gluing composite, broken teeth-broken teeth, broken teeth-gluing, broken teeth-pitting corrosion and broken teeth composite, broken teeth Teeth - pitting and gluing compound, broken tooth - broken tooth and gluing compound, gluing - gluing, gluing - pitting and broken tooth compound, gluing - pitting and gluing compound, gluing - broken tooth and gluing compound, pitting and breaking Tooth compounding - compound pitting and broken teeth, compound pitting and broken teeth - compound pitting and gluing, compound pitting and broken teeth - compound broken teeth and gluing, compound pitting and gluing - compound pitting and gluing, broken teeth Compounding with gluing - Broken teeth are compounded with gluing.
进一步的，所述传感器设置在第一、第二轴承座14、15上，所述第一、第二轴承座14、15上各设有两个径向加速度传感器31和一个轴向加速度传感器32，所述两个径向加速度传感器31的探测方向相互垂直。径向加速度传感器31用于检测第一、第二转轴11、12的径向振动，轴向加速度传感器用于检测第一、第二转轴11、12的轴向振动。Further, the sensors are arranged on the first and second bearing seats 14 and 15, and the first and second bearing seats 14 and 15 are respectively provided with two radial acceleration sensors 31 and one axial acceleration sensor 32 , the detection directions of the two radial acceleration sensors 31 are perpendicular to each other. The radial acceleration sensor 31 is used to detect the radial vibration of the first and second rotating shafts 11 and 12 , and the axial acceleration sensor is used to detect the axial vibration of the first and second rotating shafts 11 and 12 .
实施例1Example 1
如图1、2所示，所述第一转轴11和第二转轴12位于同一水平面内且二者相互平行设置，所述第一转轴11安装在第一轴承座14上，所述第一轴承座14与底座10固定连接，所述第二转轴12安装在第二轴承座15上，所述第二轴承座15在底座10上沿垂直于第二转轴12轴线的水平方向可调式固定设置。As shown in Figures 1 and 2, the first rotating shaft 11 and the second rotating shaft 12 are located in the same horizontal plane and are arranged parallel to each other. The first rotating shaft 11 is installed on the first bearing seat 14, and the first bearing The seat 14 is fixedly connected with the base 10 , the second rotating shaft 12 is mounted on a second bearing seat 15 , and the second bearing seat 15 is adjustable and fixed on the base 10 along a horizontal direction perpendicular to the axis of the second rotating shaft 12 .
进一步的，所述底座10上设有两排用于安装第二轴承座15的安装孔16，所述安装孔16沿垂直于第一转轴11轴线的水平方向均匀间隔布置。Further, the base 10 is provided with two rows of mounting holes 16 for mounting the second bearing seat 15 , and the mounting holes 16 are evenly spaced along a horizontal direction perpendicular to the axis of the first rotating shaft 11 .
该实施例中，可以通过改变第二轴承座15的水平安装位置来改变第一转轴11与第二转轴12之间的距离，从而使实验台能够适应不同型号的齿轮。In this embodiment, the distance between the first rotating shaft 11 and the second rotating shaft 12 can be changed by changing the horizontal installation position of the second bearing seat 15, so that the test bench can adapt to different types of gears.
实施例2Example 2
如图3、4所示，所述第一、第二转轴11、12均水平布置且二者上下间隔布置，所述第一转轴11安装在第一轴承座14上，所述第一轴承座14与底座10固定连接，所述第二转轴12安装在第二轴承座15上，所述第二轴承座15在底座上的高度为可调式设置。As shown in Figures 3 and 4, the first and second rotating shafts 11 and 12 are arranged horizontally and spaced up and down. The first rotating shaft 11 is installed on the first bearing seat 14, and the first bearing seat 14 is fixedly connected with the base 10, the second rotating shaft 12 is installed on the second bearing seat 15, and the height of the second bearing seat 15 on the base is adjustable.
进一步的，所述底座10上设有转盘40，所述转盘40沿竖直方向的转轴转动设置在底座10上，所述第二轴承座15安装在转盘40上，所述转盘40与底座10之间设有用于限制转盘转动的锁紧机构。Further, the base 10 is provided with a turntable 40, and the turntable 40 is installed on the base 10 to rotate along the vertical axis of rotation, and the second bearing seat 15 is installed on the turntable 40, and the turntable 40 and the base 10 A locking mechanism for limiting the rotation of the turntable is provided between them.
进一步的，所述转盘40上设有立柱44，所述立柱44上设有竖直方向的滑槽，所述第二轴承座15位于滑槽内，所述第二轴承座15上设有竖向贯通的螺纹孔，所述立柱44上设有沿滑槽布置的丝杠45，所述第二轴承座15与丝杠45构成丝杠螺母机构。用六角螺丝刀旋转丝杠45就能够对第二轴承座15的高度进行调节，进而调节第一转轴11与第二转轴12之间垂直距离，使其适应不同型号的齿轮。Further, the turntable 40 is provided with a column 44, the column 44 is provided with a vertical chute, the second bearing seat 15 is located in the chute, and the second bearing seat 15 is provided with a vertical To the through threaded hole, the column 44 is provided with a lead screw 45 arranged along the chute, and the second bearing seat 15 and the lead screw 45 form a lead screw nut mechanism. The height of the second bearing seat 15 can be adjusted by rotating the lead screw 45 with a hex screwdriver, and then the vertical distance between the first rotating shaft 11 and the second rotating shaft 12 can be adjusted to adapt to different types of gears.
进一步的，所述锁紧机构包括底座10上设置的插销41以及转盘40上设置的插座42，所述插销41的轴线沿转盘40径向设置，所述插销41位于底座10上固定设置的销套43内，所述插销41设置两组，所述两组插销41沿转盘40周向布置且二者间隔1/4个圆周。其中一个插销41与插座42卡合时，第二转轴12与第一转轴11相互平行，另一个插销41与插座42卡合时，第二转轴12与第一转轴11相互垂直。Further, the locking mechanism includes a pin 41 set on the base 10 and a socket 42 set on the turntable 40 , the axis of the pin 41 is set radially along the turntable 40 , and the pin 41 is fixed on a pin fixed on the base 10 In the sleeve 43, two groups of bolts 41 are arranged, and the two groups of bolts 41 are arranged along the circumference of the turntable 40 with a distance of 1/4 of the circumference. When one pin 41 is engaged with the socket 42 , the second shaft 12 is parallel to the first shaft 11 , and when the other pin 41 is engaged with the socket 42 , the second shaft 12 is perpendicular to the first shaft 11 .
在该实施例中，旋转转盘40可以使第二转轴12与第一转轴11之间存在平行和垂直两个工位，当第二转轴12与第一转轴11平行时，主要用于模拟直齿轮或斜齿轮的工作状态，当第二转轴12与第一转轴11垂直时，主要用于模拟锥齿轮的工作状态。In this embodiment, rotating the turntable 40 can make two stations parallel and vertical between the second rotating shaft 12 and the first rotating shaft 11. When the second rotating shaft 12 is parallel to the first rotating shaft 11, it is mainly used to simulate a spur gear. Or the working state of the helical gear, when the second rotating shaft 12 is perpendicular to the first rotating shaft 11, it is mainly used to simulate the working state of the bevel gear.
上述涉及的齿轮实验台，第一、第二轴承座14、15均为上下剖分式，上盖与轴承底座之间通过螺栓进行连接。上盖卸下后，可将整个转轴卸下，并对轴承及转轴上的故障模拟齿轮20进行拆卸，这样便可实现对故障模拟齿轮20类别进行更换，例如原先进行直齿轮的故障模拟，将所有直齿轮拆下后可整体更换安装上类似规格及故障设置的一组斜齿轮或锥齿轮或其它类型的齿轮。In the gear test bench mentioned above, the first and second bearing housings 14 and 15 are split up and down, and the upper cover and the bearing base are connected by bolts. After the upper cover is removed, the entire rotating shaft can be removed, and the fault simulation gear 20 on the bearing and the rotating shaft can be disassembled, so that the type of fault simulation gear 20 can be replaced. After all the spur gears are removed, a group of helical gears or bevel gears or other types of gears with similar specifications and fault settings can be replaced as a whole.
作为本发明的优选方案，第一转轴11与第二转轴12上用于支撑转轴的轴承为角接触球轴承，用于同时适应斜齿、锥齿啮合等有轴向力产生的情况和直齿啮合等无轴向力产生的情况。As a preferred solution of the present invention, the bearings on the first rotating shaft 11 and the second rotating shaft 12 used to support the rotating shafts are angular contact ball bearings, which are used to simultaneously adapt to situations where axial forces are generated such as helical teeth and bevel teeth meshing, and straight teeth When no axial force occurs such as meshing.
上述模拟齿轮组合故障的实验台进行齿轮组合故障模拟的方法如下：The method for simulating gear combination faults on the test bench for simulating gear combination faults is as follows:
a.实现不同齿轮组合故障的模拟方法为：拧下用于固定故障模拟齿轮20的螺钉，轴向移动、调整故障模拟齿轮20位于第一转轴11及第二转轴12上的位置，使得两根转轴上不同故障的故障模拟齿轮20实现啮合，即可模拟一对啮合齿轮的不同组合性故障，此过程需保证第一转轴11与第二转轴12上只有一对齿轮进行啮合；a. The simulation method for realizing different gear combination faults is: unscrew the screw for fixing the fault simulation gear 20, move axially, adjust the position of the fault simulation gear 20 on the first rotating shaft 11 and the second rotating shaft 12, so that two The fault simulation gears 20 of different faults on the rotating shaft are meshed, and different combination faults of a pair of meshing gears can be simulated. This process needs to ensure that only one pair of gears on the first rotating shaft 11 and the second rotating shaft 12 are engaged;
b.实现不同种类或型号齿轮更换方法即齿轮拆卸与安装的方法为：首先卸下联轴器19和第一、第二轴承座14、15的上盖，然后将第一转轴11与第二转轴12整个取出，拧下用于固定故障模拟齿轮20与第一、第二转轴11、12的螺钉，即可将转轴上的故障模拟齿轮20卸下，从而整体更换另一种类或另一型号类似故障设置的故障模拟齿轮20；b. The method of realizing different types or models of gear replacement, that is, the method of dismounting and installing the gears, is as follows: first remove the coupling 19 and the upper covers of the first and second bearing housings 14, 15, and then connect the first rotating shaft 11 and the second rotating shaft 12 Take it out completely, unscrew the screws used to fix the fault simulation gear 20 and the first and second rotating shafts 11, 12, then the fault simulation gear 20 on the rotating shaft can be removed, so as to completely replace another type or another similar type Fault simulation gear 20 for fault setting;
c.实现故障模拟齿轮在平行啮合方式即直齿轮或斜齿轮之间相互啮合与垂直啮合方式即锥齿轮之间的相互啮合之间互相转换的方法为：将插销41从当前所在的插座42及销套43中撤出，并将转盘40旋转90°，使另一组销套43与插头42对齐，再次插入插销41即可。c. The method of realizing the mutual conversion between the parallel meshing mode, that is, the mutual meshing between spur gears or helical gears and the vertical meshing method, that is, the mutual meshing between bevel gears of the fault simulation gear is: the plug 41 is moved from the current socket 42 and Withdraw from the pin sleeve 43, and rotate the turntable 40 by 90° to align another set of pin sleeves 43 with the plug 42, and then insert the latch 41 again.
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