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WO2017198064A1 - Exciting force adjustment device - Google Patents

Exciting force adjustment device Download PDF

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Publication number
WO2017198064A1
WO2017198064A1 PCT/CN2017/082544 CN2017082544W WO2017198064A1 WO 2017198064 A1 WO2017198064 A1 WO 2017198064A1 CN 2017082544 W CN2017082544 W CN 2017082544W WO 2017198064 A1 WO2017198064 A1 WO 2017198064A1
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WIPO (PCT)
Prior art keywords
servo motor
rotating shaft
bearing
servo
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/082544
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French (fr)
Chinese (zh)
Inventor
陆志猛
王青松
孙涛
曾庆林
温常琰
杨志雄
张俊
陆岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Aerospace Innovation Patent Investment Center (limited Partnership)
Hubei Hangpeng Chemical Power Technology Co Ltd
Original Assignee
Beijing Aerospace Innovation Patent Investment Center (limited Partnership)
Hubei Hangpeng Chemical Power Technology Co Ltd
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Publication date
Application filed by Beijing Aerospace Innovation Patent Investment Center (limited Partnership), Hubei Hangpeng Chemical Power Technology Co Ltd filed Critical Beijing Aerospace Innovation Patent Investment Center (limited Partnership)
Publication of WO2017198064A1 publication Critical patent/WO2017198064A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/162—Making use of masses with adjustable amount of eccentricity

Definitions

  • the present application relates to a force transmission device, and in particular to an excitation force adjustment device.
  • the object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide an excitation force adjusting device capable of adjusting the magnitude of the exciting force in real time without stopping the machine, and satisfying the online real-time control of the vibration device.
  • an excitation force adjusting device which includes: four servo motors fixed in parallel with an eccentric block;
  • Two of the four servo motors are an adjustment group, and the rotation axes of the two servo motors of each adjustment group rotate in opposite directions;
  • the four servo motors have the same rotational speed.
  • the parallel fixing is to fix four servo motors between the two fixing plates 1 .
  • the four servo motors comprise a first servo motor (2a), a second servo motor (2b), a third servo motor (2c) and a fourth servo motor (2d) arranged in sequence;
  • the first servo motor 2a and the fourth servo motor 2d of the four servo motors are an adjustment group, and the second servo motor 2b and the third servo motor 3c are an adjustment group; or
  • the first servo motor 2a and the third servo motor 2c of the four servo motors are one adjustment Group, the second servo motor 2b and the fourth servo motor 2d are another adjustment group;
  • the two servo motors in each adjustment group are placed in the same direction in the head and tail; the servo motors in the different adjustment groups are placed in the opposite direction.
  • the servo motor comprises: a rotating shaft 25 disposed in the motor casing 22, a rotor 24, a stator coil 23 and an eccentric block 26;
  • the rotating shaft 25 is fixed in the motor casing 22 in a radially rotatable manner
  • the stator coil 23 is fixed on an inner wall of the motor casing 22;
  • the rotor 24 is disposed on the rotating shaft 25 and corresponds to the position of the stator coil 23;
  • the eccentric block 26 is disposed on the rotating shaft 25.
  • the rotating shaft 25 is provided with a protrusion for limiting the eccentric block 26;
  • the eccentric block 26 is fixed to the rotating shaft 25 by means of a key connection
  • the rotating shaft 25 is further provided with a limiting ring for positioning the eccentric block 26 with the protrusion.
  • the motor housing 22 includes a front housing, an intermediate housing and a rear housing that are sequentially fixed;
  • a cavity for accommodating the eccentric block 26 is disposed in the front housing;
  • the intermediate housing is provided with a cavity for accommodating the stator coil 23 and the rotor 24, and the stator coil 23 is fixed to an inner wall of the intermediate casing.
  • the front housing and the rear housing are respectively provided with bearing chambers;
  • a first bearing 27 and a second bearing 21 for providing rotational support for the rotating shaft 25 are respectively disposed in the bearing cavity of the front housing and the bearing cavity of the rear housing;
  • the eccentric block is disposed between the first bearing 27 and the second bearing 21.
  • the servo motor further includes an encoder 28 disposed at an end of the rotating shaft 25 to extend out of the motor casing 22.
  • FIG. 1 is a schematic view showing an excitation force adjusting device in Embodiment 1 of the present application.
  • Figure 2 shows a cross-sectional view of the servo motor of the present application
  • FIG. 3 is a view showing an arrangement operation of four servo motors in the first embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a device invoking device in Embodiment 3 of the present application.
  • FIG. 5 is a vector diagram showing the exciting force generated by the four eccentric blocks in the first embodiment of the present application.
  • FIG. 6 is a schematic view showing an excitation force adjusting device in Embodiment 2 of the present application.
  • Fig. 7 is a view showing the arrangement and operation of four servo motors in the second embodiment of the present application.
  • the present invention comprises two fixing splints 1, and one or more adjusting units disposed between the two fixing splints 1; each adjusting unit comprises four servo motors arranged in sequence;
  • Each servo motor includes a motor casing 22, a rotating shaft 25, a bearing 21 and a bearing 27 disposed at both ends of the rotating shaft 25, a rotor 24, a stator coil 23, and an encoder 28; the rotor 24 is disposed between the bearing 21 and the bearing 27
  • an eccentric block 26 is disposed on the rotating shaft 25 between the rotor 24 and the bearing 27.
  • the rotating shafts 25 of the servo motors are parallel to each other, and the eccentric block is located between the two bearings of the servo motor, and the force is better, the structure is more compact and compact.
  • the four servo motors 2 are divided into two groups, the first servo motor 2a and the fourth servo motor 2d are a group, the second servo motor 2b and the third servo motor 2c are a group, and the four servo motors are synchronously controlled, and their The rotation speed is the same, and the two servo motors in the same group rotate in opposite directions.
  • the rotation direction of the first servo motor 2a is counterclockwise
  • the rotation direction of the fourth servo motor 2d is clockwise.
  • F2a, F2b, F2c, and F2d are servo motors F2a, F2b, F2c, and F2d, respectively.
  • the vector of the exciting force generated by the heart block, F is the vector sum of the four component forces.
  • the exciting force is 0 to F and max. Online real-time adjustment between.
  • the four servo motors are synchronously controlled by the servo controller. Their rotation speeds are the same, and the two servo motors in the same group rotate in opposite directions. Keeping the servo motor speed unchanged, according to the feedback of the encoder 28 in each servo motor, the first servo motor 2a and the fourth servo motor 2d are adjusted as a set of rotation angles ⁇ with the second servo motor 2b and the third servo motor 2c. For the angular difference of a set of rotation angle ⁇ , the online real-time adjustment of the magnitude of the excitation force is realized. As shown in Fig.
  • the excitation force of the excitation device is the largest, and the angular difference between the rotational angle ⁇ and the rotational angle ⁇ is 180°, the excitation device
  • the exciting force is zero.
  • the lateral exciting forces generated by the eccentric mass of the same set of servo motors cancel each other out, and the lateral exciting force of the excitation device is zero, and only the exciting force in the vertical direction is generated.
  • the first servo motor 2a and the third servo motor 2c are one set, and the second servo motor 2b and the fourth servo motor 2d are one set.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of a full device embodiment, an entirely software embodiment, or an embodiment in combination with software and device.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

An exciting force adjustment device comprises two fixed clamping plates (1) and at least one adjustment unit disposed between the two fixed clamping plates (1). Each adjustment unit comprises four servomotors (2) arranged in sequence. Each servomotor (2) comprises: a motor housing (22); a rotating shaft (25); a first bearing (21) and a second bearing (27) disposed at the two ends of the rotating shaft (25); a rotor (24); a stator coil (23); and an encoder (28). The rotor (24) is disposed on the rotating shaft (25) between the first bearing (21) and the second bearing (27). An eccentric block (26) is disposed on the rotating shaft (25) between the rotor (24) and the second bearing (27). The four servomotors (2) are divided into two groups. Ends where the eccentric blocks (26) of the two servomotors (2) in the same group are located are connected onto the same fixed clamping plate (1). The rotational directions of the two servomotors (2) in the same group are opposite. Ends where the eccentric blocks (26) of the servomotors (2) in the different groups are located are connected to the different fixed clamping plates (1). The rotational speeds of the four servomotors (2) are the same. In the adjustment unit, servomotors located on two sides cannot form one group with adjacent servomotors.

Description

一种激振力调节装置Excitation force adjusting device 技术领域Technical field

本申请涉及力传动装置，具体地，涉及一种激振力调节装置。The present application relates to a force transmission device, and in particular to an excitation force adjustment device.

背景技术Background technique

随着振动设备应用的越来越广泛，对机械式激振装置的要求也越来越高，特别是对激振力和激振频率的在线实时调节。目前使用最多的振动电机，若要调节激振力大小，需调节电机的转速，其激振频率也将随之变化；若激振频率保持不变，则需停机后调节偏心块的质量或者偏心距，不能实现激振力的大小在线实时调节。With the increasing use of vibration equipment, the requirements for mechanical vibration excitation devices are becoming higher and higher, especially on-line real-time adjustment of excitation force and excitation frequency. At present, the most used vibration motor, if you want to adjust the excitation force, you need to adjust the speed of the motor, and the excitation frequency will also change; if the excitation frequency remains the same, you need to adjust the quality or eccentricity of the eccentric block after stopping. Distance, the magnitude of the exciting force cannot be adjusted online in real time.

发明内容Summary of the invention

本发明的目的在于克服现有技术的上述不足而提供一种激振力调节装置，其能够在不停机的情况下实时调节激振力的大小，满足振动设备的在线实时控制。The object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide an excitation force adjusting device capable of adjusting the magnitude of the exciting force in real time without stopping the machine, and satisfying the online real-time control of the vibration device.

为解决上述技术问题，本发明提供了一种激振力调节装置，该装置包括：四个并行固定具有偏心块的伺服马达；In order to solve the above technical problem, the present invention provides an excitation force adjusting device, which includes: four servo motors fixed in parallel with an eccentric block;

所述四个伺服马达中两两为一个调节组，每个调节组的两个伺服马达的转轴旋转方向相反；Two of the four servo motors are an adjustment group, and the rotation axes of the two servo motors of each adjustment group rotate in opposite directions;

所述四个伺服马达的转速相同。The four servo motors have the same rotational speed.

优选地，所述并行固定是将四个伺服马达固定于两个固定夹板1之间。Preferably, the parallel fixing is to fix four servo motors between the two fixing plates 1 .

优选地，所述四个伺服马达包括依次排列的第一伺服马达(2a)，第二伺服马达(2b)，第三伺服马达(2c)和第四伺服马达(2d)；Preferably, the four servo motors comprise a first servo motor (2a), a second servo motor (2b), a third servo motor (2c) and a fourth servo motor (2d) arranged in sequence;

所述四个伺服马达中的第一伺服马达2a和第四伺服马达2d为一个调节组，所述第二伺服马达2b和第三伺服马达3c为一个调节组；或者，The first servo motor 2a and the fourth servo motor 2d of the four servo motors are an adjustment group, and the second servo motor 2b and the third servo motor 3c are an adjustment group; or

所述四个伺服马达中的第一伺服马达2a和第三伺服马达2c为一个调节 组，第二伺服马达2b和第四伺服马达2d为另一个调节组；The first servo motor 2a and the third servo motor 2c of the four servo motors are one adjustment Group, the second servo motor 2b and the fourth servo motor 2d are another adjustment group;

每个调节组中的两个伺服马达的首尾放置方向相同；不同调节组中的伺服马达首尾放置方向相反。The two servo motors in each adjustment group are placed in the same direction in the head and tail; the servo motors in the different adjustment groups are placed in the opposite direction.

优选地，所述伺服马达包括：设置在马达外壳22内的转轴25、转子24、定子线圈23和偏心块26；Preferably, the servo motor comprises: a rotating shaft 25 disposed in the motor casing 22, a rotor 24, a stator coil 23 and an eccentric block 26;

所述转轴25以可径向旋转的方式固定在马达外壳22内；The rotating shaft 25 is fixed in the motor casing 22 in a radially rotatable manner;

所述定子线圈23固定在马达外壳22的内壁上；The stator coil 23 is fixed on an inner wall of the motor casing 22;

所述转子24设置在转轴25上，并与所述定子线圈23的位置相对应；The rotor 24 is disposed on the rotating shaft 25 and corresponds to the position of the stator coil 23;

所述偏心块26设置在转轴25上。The eccentric block 26 is disposed on the rotating shaft 25.

优选地，所述转轴25上设有用于限位所述偏心块26的凸起；Preferably, the rotating shaft 25 is provided with a protrusion for limiting the eccentric block 26;

所述偏心块26通过键连接的方式与转轴25固定；The eccentric block 26 is fixed to the rotating shaft 25 by means of a key connection;

所述转轴25上进一步设有用于配合所述凸起定位所述偏心块26的限位环。The rotating shaft 25 is further provided with a limiting ring for positioning the eccentric block 26 with the protrusion.

优选地，所述马达外壳22包括依次固接的前壳体、中间壳体和后壳体；Preferably, the motor housing 22 includes a front housing, an intermediate housing and a rear housing that are sequentially fixed;

所述前壳体内设有容纳所述偏心块26的腔体；a cavity for accommodating the eccentric block 26 is disposed in the front housing;

所述中间壳体设有容纳所述定子线圈23和转子24的腔体，所述定子线圈23固定在所述中间壳体的内壁上。The intermediate housing is provided with a cavity for accommodating the stator coil 23 and the rotor 24, and the stator coil 23 is fixed to an inner wall of the intermediate casing.

优选地，所述前壳体和后壳体分别设有轴承腔；Preferably, the front housing and the rear housing are respectively provided with bearing chambers;

所述前壳体的轴承腔内和后壳体的轴承腔内分别设有为所述转轴25提供旋转支撑的第一轴承27和第二轴承21；a first bearing 27 and a second bearing 21 for providing rotational support for the rotating shaft 25 are respectively disposed in the bearing cavity of the front housing and the bearing cavity of the rear housing;

所述偏心块设置在第一轴承27和第二轴承21之间。The eccentric block is disposed between the first bearing 27 and the second bearing 21.

优选地，所述伺服马达进一步包括：设置在所述转轴25外延出所述马达外壳22一端的编码器28。Preferably, the servo motor further includes an encoder 28 disposed at an end of the rotating shaft 25 to extend out of the motor casing 22.

附图说明DRAWINGS

下面将参照附图描述本申请的具体实施例，其中： Specific embodiments of the present application will be described below with reference to the accompanying drawings, in which:

图1示出了本申请实施例一中激振力调节装置的示意图；1 is a schematic view showing an excitation force adjusting device in Embodiment 1 of the present application;

图2示出了本申请所述伺服马达的剖视图；；Figure 2 shows a cross-sectional view of the servo motor of the present application;

图3示出了本申请实施例一中四个伺服马达的排列运行图；3 is a view showing an arrangement operation of four servo motors in the first embodiment of the present application;

图4示出了本申请实施例三中设备调用装置的结构示意图；4 is a schematic structural diagram of a device invoking device in Embodiment 3 of the present application;

图5示出了本申请实施例一中四个偏心块产生的激振力的矢量图；FIG. 5 is a vector diagram showing the exciting force generated by the four eccentric blocks in the first embodiment of the present application;

图6示出了本申请实施例二中激振力调节装置的示意图；6 is a schematic view showing an excitation force adjusting device in Embodiment 2 of the present application;

图7示出了本申请实施例二中四个伺服马达的排列运行图。Fig. 7 is a view showing the arrangement and operation of four servo motors in the second embodiment of the present application.

图中，1、固定夹板，2、伺服马达，21、轴承一，22、马达外壳，23、定子线圈，24、转子，25、转轴，26、偏心块，27、轴承二，28、编码器。In the figure, 1, fixed splint, 2, servo motor, 21, bearing one, 22, motor housing, 23, stator coil, 24, rotor, 25, shaft, 26, eccentric block, 27, bearing two, 28, encoder .

具体实施方式detailed description

为了使本申请的技术方案及优点更加清楚明白，以下结合附图对本申请的示例性实施例进行进一步详细的说明，显然，所描述的实施例仅是本申请的一部分实施例，而不是所有实施例的穷举。并且在不冲突的情况下，本说明中的实施例及实施例中的特征可以互相结合。The exemplary embodiments of the present application are further described in detail below with reference to the accompanying drawings, in which the embodiments described are only a part of the embodiments of the present application, but not all embodiments. An exhaustive example. And in the case of no conflict, the features in the embodiments and the embodiments in the description can be combined with each other.

图1、图2、图3中，本发明包括两个固定夹板1、和设置于两个固定夹板1之间的一个或一个以上的调节单元；各调节单元包括四个依次排列的伺服马达；各伺服马达包括马达外壳22、转轴25、设置于转轴25两端的轴承一21和轴承二27、转子24、定子线圈23、编码器28；转子24设置于轴承一21与轴承二27之间的转轴25上；转子24与轴承二27之间的转轴25上设有偏心块26。各伺服马达的转轴25相互平行，偏心块位于伺服电机两轴承之间，受力更好，结构更加紧凑，小巧。1, 2, 3, the present invention comprises two fixing splints 1, and one or more adjusting units disposed between the two fixing splints 1; each adjusting unit comprises four servo motors arranged in sequence; Each servo motor includes a motor casing 22, a rotating shaft 25, a bearing 21 and a bearing 27 disposed at both ends of the rotating shaft 25, a rotor 24, a stator coil 23, and an encoder 28; the rotor 24 is disposed between the bearing 21 and the bearing 27 On the rotating shaft 25, an eccentric block 26 is disposed on the rotating shaft 25 between the rotor 24 and the bearing 27. The rotating shafts 25 of the servo motors are parallel to each other, and the eccentric block is located between the two bearings of the servo motor, and the force is better, the structure is more compact and compact.

四个伺服马达2分为两组，第一伺服马达2a与第四伺服马达2d为一组，第二伺服马达2b和第三伺服马达2c为一组，四个伺服马达需同步控制，它们的转速相同，同一组中的两个伺服马达旋转方向相反，如第一伺服马达2a的旋转方向为逆时针，第四伺服马达2d的旋转方向为顺时针。The four servo motors 2 are divided into two groups, the first servo motor 2a and the fourth servo motor 2d are a group, the second servo motor 2b and the third servo motor 2c are a group, and the four servo motors are synchronously controlled, and their The rotation speed is the same, and the two servo motors in the same group rotate in opposite directions. For example, the rotation direction of the first servo motor 2a is counterclockwise, and the rotation direction of the fourth servo motor 2d is clockwise.

图4中，F2a、F2b、F2c、F2d分别为伺服马达F2a、F2b、F2c、F2d偏 心块产生的激振力的矢量，F合为四个分力的矢量和。在伺服马达运行过程中，在激振频率保持不变时，根据各个伺服马达中编码器28的反馈，通过调节两组伺服马达旋转夹角的角度差，实现激振力在0至F合max之间在线实时调节。In Fig. 4, F2a, F2b, F2c, and F2d are servo motors F2a, F2b, F2c, and F2d, respectively. The vector of the exciting force generated by the heart block, F is the vector sum of the four component forces. During the operation of the servo motor, when the excitation frequency remains unchanged, according to the feedback of the encoder 28 in each servo motor, by adjusting the angular difference between the rotation angles of the two sets of servo motors, the exciting force is 0 to F and max. Online real-time adjustment between.

工作过程：四个伺服马达由伺服控制器同步控制，它们的转速相同，同一组中的两个伺服马达旋转方向相反。保持伺服马达转速不变，根据各个伺服马达中编码器28的反馈，通过调节第一伺服马达2a和第四伺服马达2d为一组旋转夹角β与第二伺服马达2b和第三伺服马达2c为一组旋转夹角ε的角度差，实现激振力大小的在线实时调节。如图4，在相同转速下，其旋转夹角β与旋转夹角ε相等时，激振装置的激振力最大，旋转夹角β与旋转夹角ε角度差为180°时，激振装置的激振力为零。同一组伺服马达偏心块产出的横向激振力相互抵消，激振装置的横向激振力为零，只产生竖直方向的激振力。Working process: The four servo motors are synchronously controlled by the servo controller. Their rotation speeds are the same, and the two servo motors in the same group rotate in opposite directions. Keeping the servo motor speed unchanged, according to the feedback of the encoder 28 in each servo motor, the first servo motor 2a and the fourth servo motor 2d are adjusted as a set of rotation angles β with the second servo motor 2b and the third servo motor 2c. For the angular difference of a set of rotation angle ε, the online real-time adjustment of the magnitude of the excitation force is realized. As shown in Fig. 4, at the same rotational speed, when the rotational angle β is equal to the rotational angle ε, the excitation force of the excitation device is the largest, and the angular difference between the rotational angle β and the rotational angle ε is 180°, the excitation device The exciting force is zero. The lateral exciting forces generated by the eccentric mass of the same set of servo motors cancel each other out, and the lateral exciting force of the excitation device is zero, and only the exciting force in the vertical direction is generated.

图5、图6中，第一伺服马达2a与第三伺服马达2c为一组，第二伺服马达2b和第四伺服马达2d为一组。In FIGS. 5 and 6, the first servo motor 2a and the third servo motor 2c are one set, and the second servo motor 2b and the fourth servo motor 2d are one set.

本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全设备实施例、完全软件实施例、或结合软件和设备方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。Those skilled in the art will appreciate that embodiments of the present application can be provided as a method, system, or computer program product. Thus, the present application can take the form of a full device embodiment, an entirely software embodiment, or an embodiment in combination with software and device. Moreover, the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。 It will be apparent to those skilled in the art that various modifications and changes can be made in the present application without departing from the spirit and scope of the application. Thus, it is intended that the present invention cover the modifications and variations of the present invention.

Claims (8)

一种激振力调节装置，其特征在于，该装置包括：四个并行固定具有偏心块的伺服马达；An excitation force adjusting device, comprising: four servo motors fixed in parallel with an eccentric block; 所述四个伺服马达中两两为一个调节组，每个调节组的两个伺服马达的转轴旋转方向相反；Two of the four servo motors are an adjustment group, and the rotation axes of the two servo motors of each adjustment group rotate in opposite directions; 所述四个伺服马达的转速相同。The four servo motors have the same rotational speed. 如权利要求1所述的激振力调节装置，其特征在于，所述并行固定是将四个伺服马达固定于两个固定夹板(1)之间。The exciting force adjusting device according to claim 1, wherein said parallel fixing is to fix four servo motors between the two fixing plates (1). 如权利要求1所述的激振力调节装置，其特征在于，The exciting force adjusting device according to claim 1, wherein 所述四个伺服马达包括依次排列的第一伺服马达(2a)，第二伺服马达(2b)，第三伺服马达(2c)和第四伺服马达(2d)；The four servo motors include a first servo motor (2a), a second servo motor (2b), a third servo motor (2c) and a fourth servo motor (2d); 所述四个伺服马达中的第一伺服马达(2a)和第四伺服马达(2d)为一个调节组，所述第二伺服马达(2b)和第三伺服马达(2c)为一个调节组；或者，The first servo motor (2a) and the fourth servo motor (2d) of the four servo motors are an adjustment group, and the second servo motor (2b) and the third servo motor (2c) are an adjustment group; or, 所述四个伺服马达中的第一伺服马达(2a)和第三伺服马达(2c)为一个调节组，第二伺服马达(2b)和第四伺服马达(2d)为另一个调节组；The first servo motor (2a) and the third servo motor (2c) of the four servo motors are one adjustment group, and the second servo motor (2b) and the fourth servo motor (2d) are another adjustment group; 每个调节组中的两个伺服马达的首尾放置方向相同；不同调节组中的伺服马达首尾放置方向相反。The two servo motors in each adjustment group are placed in the same direction in the head and tail; the servo motors in the different adjustment groups are placed in the opposite direction. 如权利要求1所述的激振力调节装置，其特征在于，所述伺服马达包括：设置在马达外壳(22)内的转轴(25)、转子(24)、定子线圈(23)和偏心块(26)；The excitation force adjusting device according to claim 1, wherein said servo motor comprises: a rotating shaft (25), a rotor (24), a stator coil (23), and an eccentric block disposed in a motor casing (22). (26); 所述转轴(25)以可径向旋转的方式固定在马达外壳(22)内；The rotating shaft (25) is fixed in the motor casing (22) in a radially rotatable manner; 所述定子线圈(23)固定在马达外壳(22)的内壁上；The stator coil (23) is fixed on an inner wall of the motor casing (22); 所述转子(24)设置在转轴(25)上，并与所述定子线圈(23)的位置 相对应；The rotor (24) is disposed on the rotating shaft (25) and is located at the position of the stator coil (23) Corresponding; 所述偏心块(26)设置在转轴(25)上。The eccentric block (26) is disposed on the rotating shaft (25). 如权利要求1所述的激振力调节装置，其特征在于，所述转轴(25)上设有用于限位所述偏心块(26)的凸起；The excitation force adjusting device according to claim 1, wherein the rotating shaft (25) is provided with a protrusion for limiting the eccentric block (26); 所述偏心块(26)通过键连接的方式与转轴(25)固定；The eccentric block (26) is fixed to the rotating shaft (25) by means of a key connection; 所述转轴(25)上进一步设有用于配合所述凸起定位所述偏心块(26)的限位环。The rotating shaft (25) is further provided with a limiting ring for positioning the eccentric block (26) with the protrusion. 根据权利要求4所述的激振力调节装置，其特征在于，所述马达外壳(22)包括依次固接的前壳体、中间壳体和后壳体；The excitation force adjusting device according to claim 4, wherein the motor casing (22) comprises a front casing, an intermediate casing and a rear casing which are sequentially fixed; 所述前壳体内设有容纳所述偏心块(26)的腔体；a cavity for accommodating the eccentric block (26) is disposed in the front housing; 所述中间壳体设有容纳所述定子线圈(23)和转子(24)的腔体，所述定子线圈(23)固定在所述中间壳体的内壁上。The intermediate housing is provided with a cavity for accommodating the stator coil (23) and the rotor (24), and the stator coil (23) is fixed to an inner wall of the intermediate casing. 如权利要求6所述的激振力调节装置，其特征在于，所述前壳体和后壳体分别设有轴承腔；The excitation force adjusting device according to claim 6, wherein the front housing and the rear housing are respectively provided with bearing chambers; 所述前壳体的轴承腔内和后壳体的轴承腔内分别设有为所述转轴(25)提供旋转支撑的第一轴承(27)和第二轴承(21)；a first bearing (27) and a second bearing (21) for providing rotational support for the rotating shaft (25) are respectively disposed in the bearing cavity of the front housing and the bearing cavity of the rear housing; 所述偏心块设置在第一轴承(27)和第二轴承(21)之间。The eccentric block is disposed between the first bearing (27) and the second bearing (21). 如权利要求6所述的激振力调节装置，其特征在于，所述伺服马达进一步包括：设置在所述转轴(25)外延出所述马达外壳(22)一端的编码器(28)。 The excitation force adjusting device according to claim 6, wherein said servo motor further comprises: an encoder (28) disposed at an end of said rotating shaft (25) for projecting said motor casing (22).
PCT/CN2017/082544 2016-05-16 2017-04-28 Exciting force adjustment device Ceased WO2017198064A1 (en)

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