技术领域

本发明涉及无级调速装置，特别地，涉及一种船用发电机的无级调速装置与船用发电机。

背景技术

船用发电机在渔船上得到了广泛的应用，其驱动单元(例如，柴油发动机)发电同时还
需要完成其它工作，因此驱动单元的转速需要变化可调，而发电机在发电时要求输入的转速
相对恒定，因此需要备有专用的发电副机做发电机的驱动单元，这样导致整个动力系统的结
构变得复杂，而且增加动力系统的能耗和购置成本。

发明内容

本发明目的在于提供一种船用发电机的无级调速装置与船用发电机，以解决现有技术中
船用的驱动单元转速变化大，不能用于发电，需要使用专用的发电副机的技术问题。

为实现上述目的，根据本发明的一个方面，提供了一种船用发电机的无级调速装置，无
极调速装置包括：主动带轮总成、金属带、被动带轮总成、定轴轮系减速装置与行星机构，
主动带轮总成通过金属带与被动带轮总成连接；定轴轮系减速装置包括相连接的第一齿轮副
与第二齿轮副；第一齿轮副与被动带轮总成连接，第二齿轮副与行星机构连接；行星机构包
括与主动带轮总成连接的太阳轮、与太阳轮啮合的内行星轮、与内行星轮啮合地外行星轮、
与外行星轮啮合并输出动力的齿圈以及用于支撑内行星轮和外行星轮的行星架，行星架连接
第二齿轮副。

进一步地，第一齿轮副与第二齿轮副均设置有主动齿轮与被动齿轮；第一齿轮副的主动
齿轮与被动带轮总成连接，第一齿轮副的被动齿轮与第二齿轮副的主动齿轮固定在同一轴上，
第二齿轮副的被动齿轮与行星机构的行星架连接。

进一步地，被动带轮总成包括以金属带为对称轴对称设置的被动带轮和被动带轮轴；被
动带轮轴与第一齿轮副的主动齿轮连接。

进一步地，被动带轮呈锥形盘状，可于被动带轮轴上滑动。

进一步地，主动带轮总成包括以金属带为对称轴对称设置的主动带轮轴和主动带轮；主
动带轮轴与行星机构的太阳轮连接。

进一步地，主动带轮呈锥形盘状，可于主动带轮轴上滑动。

根据本发明的另一个方面提供一种船用发电机，包括驱动单元、无级调速装置和发电机，
无级调速装置为上述的船用发电机的无级调速装置；驱动单元连接船用发电机的无级调速装
置的主动带轮总成，发电机与船用发电机的无级调速装置的行星机构的齿圈连接。

进一步地，驱动单元为柴油发动机。

本发明具有以下有益效果：

使用行星机构和定轴轮系减速装置与金属带式无级变速装置结合，使系统的调速比范围
可调，使金属带式无级变速装置的调速比范围与所需的调速比范围匹配，并实现了驱动单元
的变转速输入转换成恒定转速输出，驱动单元可以直接驱动发电机进行发电作业，简化动力
系统的结构，降低能耗与成本。

除了上面所描述的目的、特征和优点之外，本发明还有其它的目的、特征和优点。下面
将参照图，对本发明作进一步详细的说明。

附图说明

构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及
其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：

图1是本发明船用发电机的无级调速装置优选实施例的结构示意图；以及

图2是本发明船用发电机优选实施例的结构示意图。

附图标记说明：

11、主动带轮轴；13、主动带轮；15、金属带；17、被动带轮；19、被动带轮轴；3、定
轴轮系减速装置；31、第一齿轮副；33、第二齿轮副；5、行星机构；51、太阳轮；53、
内行星轮；55、外行星轮；57、行星架；59、齿圈；60、驱动单元；61、发电机。

具体实施方式

以下结合附图对本发明的实施例进行详细说明，但是本发明可以由权利要求限定和覆盖
的多种不同方式实施。

请参阅图1，本发明的优选实施例提供了一种船用发电机的无级调速装置，包括：主动带
轮总成、金属带15和被动带轮总成，主动带轮总成通过金属带15与被动带轮总成连接；以
及，定轴轮系减速装置3与行星机构5。定轴轮系减速装置3包括相连接的第一齿轮副31与
第二齿轮副33；第一齿轮副31与被动带轮总成连接，第二齿轮副33与行星机构5连接。行
星机构5为双行星轮的行星机构，其包括与主动带轮总成连接的太阳轮51、与太阳轮51啮合
的内行星轮53、与内行星轮53啮合的外行星轮55、与外行星轮55啮合并输出动力的齿圈59
以及用于支撑内行星轮53和外行星轮55的行星架57，行星架57连接第二齿轮副33。

本优选实施例提供的船用发电机的无级调速装置，其具体实现过程如下：

动力从主动带轮总成输入，然后分两路输出：一路经金属带15传输至被动带轮总成，然
后经定轴轮系减速装置3的第一齿轮副31与第二齿轮副33传递至行星机构5的行星架57；
另一路直接从主动带轮总成输入到行星机构5的太阳轮51，经行星机构5合成后从行星机构
5的齿圈59输出。这样主动带轮总成、金属带15和被动带轮总成组成无级调速装置实现无级
调速，定轴轮系减速装置3和行星机构5起到调节金属带15所传递的扭矩的作用；由于无级
变速机构的变速比范围相对固定，定轴轮系减速装置3和行星机构5起到调节速比范围的作
用。

为简化定轴轮系减速装置3、主动带轮总成与被动带轮总成的结构；优选地，第一齿轮副
31与第二齿轮副33均设置有主动齿轮与被动齿轮；第一齿轮副31的主动齿轮与被动带轮总
成连接，第一齿轮副31的被动齿轮与第二齿轮副33的主动齿轮固定在同一轴上，第二齿轮
副33的被动齿轮与行星机构5的行星架57连接。被动带轮总成包括以金属带15为对称轴对
称设置的被动带轮17和被动带轮轴19，主动带轮总成包括以金属带15为对称轴对称设置的
主动带轮轴11和主动带轮13；主动带轮轴11与被动带轮17位于金属带15的一侧，主动带
轮13与被动带轮轴19位于金属带15的另一侧。被动带轮轴19与第一齿轮副31的主动齿轮
连接，主动带轮轴11与行星机构5的太阳轮51连接。

优选地，被动带轮17呈锥形盘状，可于被动带轮轴19上滑动；主动带轮13呈锥形盘状，
可于主动带轮轴11上滑动。此种结构，可调整主动带轮总成、被动带轮总成与金属带15的
接触半径，以更好的实现无级调速的目的。

请参阅图2，本发明的优选实施例还提供一种使用上述船用发电机的无级调速装置的船用
发电机，包括驱动单元60、无级调速装置和发电机61；驱动单元60连接船用发电机的无级
调速装置的主动带轮总成的主动带轮轴11，发电机61与船用发电机的无级调速装置的行星机
构5的齿圈59连接。优选地，驱动单元60为柴油发动机。

本优选实施例提供的船用发电机，其具体实现过程如下：

驱动单元60的输出转速n₀经无级调速装置(变速比i_c)和定轴轮系减速装置3(变速比i_g)
的变速后，到达行星架57的转速为n_c＝n₀/i_ci_g。同时，由于太阳轮51与主动带轮轴11连
接，其转速与驱动单元60的转速相同，即n₀，根据行星机构的特性，对有双行星轮的行星机
构，有：

n_s-an_r+(a-1)n_c＝0，其中a为行星机构的特性参数，其值为齿圈与太阳轮的齿数
比。

所以：

$n_r=\frac{(a-1)n_c+n_s}{a}=\frac{(a-1)n_0/i_c{i}_g+n_0}{a}$

从驱动单元60的输入到齿圈59输出的速比：

$i=\frac{n_0}{n_r}=\frac{{\mathrm{ai}}_c{i}_g}{a-1+i_c{i}_g}$

其中i_g为固定值，i_c可以在i_cmin～i_cmax内连续变化，速比范围因此i也能
在一定范围内连续变化，其变化范围为：

$i_{\min }=\frac{{\mathrm{ai}}_{c\min }{i}_g}{a-1+i_{c\min }{i}_g}$

$i_{\max }=\frac{{\mathrm{ai}}_{c\max }{i}_g}{a-1+i_{c\max }{i}_g}$

即速比范围为：

$d_o=\frac{i_{c\max }}{i_{c\min }}=\frac{d_c(a-1+i_{c\min }{i}_g)}{(a-1+d_c{i}_{c\min }{i}_g)}=\frac{d_c(\frac{a-1}{i_g}+i_{c\min })}{(\frac{a-1}{i_g}+d_c{i}_{c\min })}$

对某一特定无级变速装置而言，d_c和i_cmin为定值，通过变换的值，可以得到需要
的d_o值，例如，d_c＝5.5，i_cmin＝0.4，需要d_o＝1.667，则取值0.383。

可见，定轴轮系减速装置3和行星机构5起到根据需要调节速比范围的作用。

本发明的目的在于将变化的输入转速转n₀转换成恒定的输出转速n(n＝n_r)，由公式：

$i=\frac{n_0}{n_r}=\frac{{\mathrm{ai}}_c{i}_g}{a-1+i_c{i}_g}$

可知，当a、n_r、i_g为定值时，n₀与i_c有一一对应的关系，通过转速传感器读取输入转速n₀，
控制无级变速装置的速比i_c即可得到恒定的输出转速n。

单独使用无级调速装置也可以实现变化的输入转速转n₀到恒定的输出转速n的转换，但
是存在以下问题：

1)无级调速装置的变速比范围与所需的变速比范围不匹配，利用定轴轮系减速装置3
和行星机构5解决了此问题。

2)无级调速装置允许的最大输入扭矩，与驱动单元60的最大输出扭矩不匹配，可能会
出现驱动单元60的最大输出扭矩过大的情况。

单独使用无级调速装置，被动带轮轴19的扭矩为T_sec＝i_cT₀(T₀为输入扭矩)。加入定
轴轮系减速装置3和行星机构5后，根据行星机构的特性，太阳轮51的扭矩为T_s，行星架57
的扭矩T_c＝(a-1)T_s，齿圈59的扭矩T_r＝-aT_s，而整个传动系统有：T_out＝T_r＝-iT₀，所
以：

$T_s=\frac{{\mathrm{iT}}_0}{a},T_c=\frac{i(a-1)T_0}{a}$

被动带轮轴19的扭矩

$T_{\sec }=\frac{T_c}{i_g}=\frac{i(a-1)T_0}{{\mathrm{ai}}_g}=\frac{(a-1)}{a-1+i_c{i}_g}{i}_c{T}_0$

因为i_ci_g＞0，所以$\frac{a-1}{a-1+i_c{i}_g}<1$

可见，加入定轴轮系减速装置3和行星机构5后，降低了无级调速装置的扭矩，而且，
可通过对参数a、i_g的调整，使无级调速装置的输入扭矩达到满意的值。

从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：

1、无级调速装置利用金属带式无级变速装置作为调速装置，实现了驱动单元60的变转
速输入转换成恒定转速输出。

2、使用行星机构5和定轴轮系减速装置3与金属带式无级变速装置结合，使系统的调速
比范围可调，使金属带式无级变速装置的调速比范围与所需的调速比范围匹配。

3、使用行星机构5和定轴轮系减速装置3，可以减小金属带式无级变速装置所受的扭矩，
从而使其尺寸更小结构更紧凑；并且可以通改变行星机构5和定轴轮系减速装置3的参数来
调节金属带式无级变速装置所受的扭矩的大小，使同一属带式无级变速装置满足不同驱动单
元60的需要，产品易于批量化，系列化。

以上所述仅为本发明的优选实施例而已，并不用于限制本发明；对于本领域的技术人员
来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等
同替换、改进等，均应包含在本发明的保护范围之内。

Technical Field

This invention relates to stepless speed regulating device, in particular, relates to a stepless speed-regulating device of the generator for the marine generator.

Background Art

On fishing vessels for ship generator is widely applied, its drive unit (for example, diesel engine) power generation at the same time also needs to perform other work, the need to change the rotational speed of the drive unit is adjustable, and the generator in the power generation is relatively constant for the rotational speed of the input, hence the need for a special power generation the companion unit to the driving unit of the generator, this results in the structure of the whole power system becomes complicated, but also increase power system the energy consumption and the cost of purchase.

Content of the invention

The purpose of this invention is to provide a stepless speed-regulating device of the generator for ship and ship generator, in order to solve for ship in the prior art large variation in rotation speed of the drive unit, cannot be used for power generation, require the use of special of the technical problem of generating an auxiliary machine.

To achieve the above object, according to one aspect of the invention, provides a marine generator stepless speed-regulating device, stepless speed-adjusting device includes: a driving belt pulley assembly, the metal strap, passive belt wheel assembly, fixed-shaft gear train speed reducing device and the planetary mechanism, driving belt wheel assembly through the metal strip is connected with the driven belt wheel assembly; a fixed shaft gear train of the speed reducing device is connected with the 1st gear 2nd gear pair; 1st gear pair is connected with the driven belt pulley assembly, 2nd gear pair is connected with the planetary mechanism; the planetary mechanism includes a driving belt pulley assembly is connected with the sun gear, and the sun wheel engaging the star wheel, the star wheel engagement exercise exercise of star wheel, and the outer planetary the wheel gnaws ring gear and the output power of the combined used for supporting the exercise of the star-wheel and star wheel of the planet carrier, the planet carrier is connected with the 2nd gear pair.

Furthermore, the 1st gear 2nd gear pair are provided with the drive gear and the driven gear; 1st the drive gear of the gear pair and the driven belt pulley assembly, a driven gear of the gear pair are 1st and 2nd the drive gear of the gear pair is fixed on the same shaft, 2nd driven gear of the gear pair and is connected with the planet carrier of the planetary mechanism.

Furthermore, passive belt wheel assembly includes as a symmetry axis symmetrically arranged to the passive belt wheel and a driven belt wheel shaft; and the driven belt wheel 1st is connected with the drive gear of the gear pair.

Furthermore, passive belt wheel is the conical disc-shaped, may slide on the driven belt wheel.

Furthermore, a driving belt wheel assembly comprises a to the axis of symmetry of the symmetrically arranged driving belt wheel shaft and the driving pulley; and the driving belt wheel is connected with the sun wheel of the planetary mechanism.

Furthermore, driving belt wheel is the conical disc-shaped, may slide on the driving belt wheel.

According to another aspect of the invention provides a marine generator, which comprises a driving unit, stepless speed regulating device and a generator, for the above stepless speed regulating device for marine generator stepless speed-regulating device; driving unit is connected for ship stepless speed control device of the generator driving belt wheel assembly, for ship generator of the generator and stepless speed control device is connected with the gear ring of the planetary mechanism.

Furthermore, the driving unit is a diesel engine.

The invention has the following beneficial effects:

dead axle gear train planetary mechanism and the speed reducing device and the metal belt type stepless speed change device, speed ratio of the system range is adjustable, so that the metal belt type stepless speed change device with the required speed ratio range of the speed ratio range matching, the driving unit and a variable speed input into a constant speed output, the drive unit can directly drive the generator to generate electricity the operation, simplify the structure of the power system, the energy consumption and the cost is reduced.

In addition to the above the purpose of the description, features and advantages, the invention also has other objectives, features and advantages. Will be with reference to Figure, this invention for further detailed description.

Description of drawings

Form a part of this application the Figure this is used to provide further understanding of the invention, illustrative embodiments of the invention the note for the interpretation of this invention, does not constitute the limits of this invention. On the drawings:

Figure 1 is a structure diagram of the invention marine generator stepless speed-regulating device the preferred embodiment; and

Figure 2 is a structure diagram of the invention marine generator preferred embodiment.

The Figure mark note:

11, driving belt wheel; 13, driving pulley; 15, metal strip; 17, passive belt wheel; 19, passive belt wheel shaft; 3, deceleration device dead axle gear train ; 31, 1st gear pair; 33, 2nd gear pair; 5, the planetary mechanism; 51, sun gear; 53, mavens star wheel; 55, laity star wheel; 57, planet carrier; 59, ring gear; 60, drive unit; 61, generator.

Mode of execution

The following illustrated in the Figure the embodiment of the present invention to carry out a detailed description, however, the invention is defined by claims and covers the implementation of a plurality of different ways.

Please refer to fig. 1, the preferred embodiment of the present invention provides a marine generator stepless speed-regulating device, including: a driving belt pulley assembly, metal belt 15 and the driven belt pulley assembly, a driving belt wheel assembly through the metal belt 15 and the driven pulley assembly is connected; and, fixed-shaft gear train speed reducing device 3 and the planetary mechanism 5. dead axle gear train reduction device 3 comprises connected 1st gear pair 31 and the 2nd gear pair 33 ; 1st gear pair 31 is connected with the driven belt pulley assembly, 2nd gear pair 33 and the planetary mechanism 5 is connected. Planetary mechanism 5 is a double-planet wheel of the planetary mechanism, comprising a driving pulley connected with the assembly of the sun gear 51, the sun gear 51 engaging the star wheel 53, and expert star wheel 53 is meshed with the laity star wheel 55, and the outer planetary gear 55 is engaged and the gear ring of the output power of the 59 and is used for supporting the planet wheel 53 and star wheel 55 a planet carrier 57, the planet carrier 57 is connected with the 2nd gear pair 33.

The preferred embodiments provide for ship of stepless speed-regulating device of the generator, the implementation process is as follows:

Power from the driving pulley assembly input, then output through two paths: one path of the metal strip 15 is transmitted to the driven belt wheel assembly, then after deciding shaft gear train reduction device 3 of the 1st gear pair 31 and the 2nd gear pair 33 is transmitted to the planetary mechanism 5 a planet carrier 57 ; the other path is from the driving belt wheel assembly directly input to the planetary mechanism 5 the sun gear 51, the planetary mechanism 5 from the planetary mechanism after synthesis 5 of the ring gear 59 output. Such a driving belt pulley assembly, metal belt 15 and the driven pulley assembly stepless speed adjusting device realizes stepless speed-regulating, dead axle gear train speed-reducing device 3 and the planetary mechanism 5 the function of adjusting the metal strip 15 the effect of torque transmitted by a; the stepless speed-changing mechanism of the variable speed ratio range is relatively fixed, fixed-shaft gear train speed reducing device 3 and the planetary mechanism 5 the role of the function of adjusting the speed-ratio range.

In order to simplify the dead axle gear train speed-reducing device 3, driving pulley assembly and a driven belt wheel assembly structure; preferably, 1st gear pair 31 and the 2nd gear pair 33 are provided with the drive gear and the driven gear; 1st gear pair 31 of the drive gear and the driven belt pulley assembly, 1st gear pair 31 of the driven gear and 2nd gear pair 33 of a drive gear fixed on the same shaft, 2nd gear pair 33 and the driven gear of the planetary mechanism of 5 the planet carrier 57 is connected. Passive belt wheel assembly including a metal strip 15 arranged symmetrically to the symmetry axis of the driven pulley 17 and the driven belt wheel shaft 19, driving belt wheel assembly including a metal strip 15 arranged symmetrically to the symmetry axis of the drive belt wheel shaft 11 and driving pulley 13 ; driving belt wheel 11 and the driven belt wheel 17 is located in the metal strap 15 on one side of the, driving pulley 13 and the driven belt wheel shaft 19 is located in the metal strap 15 a side of the other. Passive belt wheel 19 and the 1st gear pair 31 is connected with the driving gear, the driving belt wheel shaft 11 and the planetary mechanism 5 the sun gear 51 is connected with.

Preferably, passive belt wheel 17 has a tapered disc-shaped, will be passive belt wheel 19 sliding on the; driving belt wheel 13 has a tapered disc-shaped, will be driving belt wheel 11 sliding on. This kind of structure, the driving belt wheel assembly can be adjusted, the driven belt wheel assembly of the metal strip 15 of the contact radius, in order to better achieve the purpose of stepless speed regulation.

Please refer to fig. 2, the preferred embodiment of the invention also provides a use of the above-mentioned ship stepless speed control device of the generator for marine generator, comprising the driving unit 60, stepless speed regulating device and a generator 61 ; the drive unit 60 is connected with the generator for the driving belt stepless speed control device driving belt wheel of the wheel assembly 11, the generator 61 of the generator and ship planetary mechanism of a stepless speed control device 5 of the ring gear 59 is connected. Preferably, the drive unit 60 to a diesel engine.

The preferred embodiment provides a marine generator, its specific realizing process is as follows:

Drive unit 60 output speed n ₀ the stepless speed regulating device (speed ratio i _c) and dead axle gear train reduction device 3 (speed ratio i _g) after the speed change, the planet carrier 57 the rotating speed of the n _c = n ₀/i _c i _g. At the same time, because the sun gear 51 and the driving belt wheel shaft 11 is connected, its rotational speed and drive unit 60 is the same as the rotational speed of, in other words n ₀, according to the characteristics of the planetary mechanism, a double-planet wheel of the planetary mechanism, a:

n _s-an _r + (a-1) n _c = 0, wherein a is a planetary mechanism of the characteristic parameter, its value is the ring gear and sun gear of the gear ratio.

Therefore:

$n_r=\frac{(a-1)n_c+n_s}{a}=\frac{(a-1)n_0/i_c{i}_g+n_0}{a}$

From the drive unit 60 to the input of the ring gear 59 of the speed ratio output of:

$i=\frac{n_0}{n_r}=\frac{{\mathrm{ai}}_c{i}_g}{a-1+i_c{i}_g}$

Wherein i _g is a fixed value, i _c the i _cmin-i _cmax continuous change in the, speed ratio range Therefore i can also be continuously changed within a certain range, its variation range:

$i_{\min }=\frac{{\mathrm{ai}}_{c\min }{i}_g}{a-1+i_{c\min }{i}_g}$

$i_{\max }=\frac{{\mathrm{ai}}_{c\max }{i}_g}{a-1+i_{c\max }{i}_g}$

That is, the speed ratio range is:

$d_o=\frac{i_{c\max }}{i_{c\min }}=\frac{d_c(a-1+i_{c\min }{i}_g)}{(a-1+d_c{i}_{c\min }{i}_g)}=\frac{d_c(\frac{a-1}{i_g}+i_{c\min })}{(\frac{a-1}{i_g}+d_c{i}_{c\min })}$

On a particular stepless speed change device, d _c and i _cmin as definite value, the Value, can get the required d _o value, such as, d _c = 5.5, i _cmin = 0.4, need d _o = 1.667, the Value 0.383.

Visible, fixed-shaft gear train speed reducing device 3 and the planetary mechanism 5 according to the role of the range needs to be adjusted.

The purpose of this invention lies in the change of the input speed rotary n ₀ into the constant output speed n (n=n _r), by the formula:

$i=\frac{n_0}{n_r}=\frac{{\mathrm{ai}}_c{i}_g}{a-1+i_c{i}_g}$

Failure, when the a, n _r, i _g when as the fixed value, n ₀ and i _c the relationship between the one-to-one corresponding to a, through the speed sensor reading input speed n ₀, control the speed ratio of the stepless speed change device for i _c constant can be obtained n the output rotational speed.

The device also can achieve stepless speed change of the input speed rotary n ₀ to constant output rotational speed of the conversion of n, but the existence of the following questions:

1) a stepless speed control device with the required speed ratio range of the speed ratio range is not matching, using dead axle gear train speed-reducing device 3 and the planetary mechanism 5 solves this problem.

2) allow stepless speed regulating device for the maximum input torque, and the driving unit 60 the maximum output torque is not matching, there may be drive unit 60 the maximum output of the condition of excessive torque.

Stepless speed regulating device for use alone, passive belt wheel shaft 19 to the torque T _sec = i _c T ₀ (T ₀ the input torque). By adding fixed-axis gear train speed reducing device 3 and the planetary mechanism 5 the rear, according to the characteristics of the planetary mechanism, the sun wheel 51 of the torque for T _s, planet carrier 57 torque T _c = (a-1) T _s, ring gear 59 torque T _r =-aT _s, and the whole transmission system has: T _out = T _r =-iT ₀, therefore:

$T_s=\frac{{\mathrm{iT}}_0}{a},T_c=\frac{i(a-1)T_0}{a}$

Passive belt wheel shaft 19 of the torque

$T_{\sec }=\frac{T_c}{i_g}=\frac{i(a-1)T_0}{{\mathrm{ai}}_g}=\frac{(a-1)}{a-1+i_c{i}_g}{i}_c{T}_0$

Because i _c i _g> 0, therefore, $\frac{a-1}{a-1+i_c{i}_g}<1$

Visible, adding fixed-axis gear train speed reducing device 3 and the planetary mechanism 5 rear, reduced torque stepless speed control device, and, can be by parameter a, i _g adjustment, the stepless speed-regulating device with the input of the value of the torque.

From the description above, as can be seen, the embodiment of the present invention to realize the above-mentioned technical effects as follows:

1, stepless speed-regulating device utilizes the metal belt type stepless speed change device as the speed-regulating device, have realized the drive unit 60 of the variable speed input into a constant speed output.

2, the use of a planetary mechanism 5 and dead axle gear train speed reduction device 3 is combined with the metal belt type stepless speed change device, speed ratio of the system range is adjustable, so that the metal belt type stepless speed change device with the required speed ratio range of the speed ratio range matching.

3, the use of a planetary mechanism 5 and dead axle gear train speed-reducing device 3, metal belt type stepless speed changing device can be reduced by the torque, so as to make its size is small, the structure is more compact; and planetary mechanism can be changed 5 and dead axle gear train speed-reducing device 3 to adjust the parameters of the metal belt type stepless speed changing device of the size of the torque, the same is a belt type stepless speed change device to meet different driving unit 60 needs, the product is easy to mass, serialization.

Above for the stated example the preferred embodiment of the invention, is not used for limiting of the present invention; to persons of skill in the art, the invention may be of various variation and change. Where in the present invention within the spirit and principle of the, any modifications made by the, equivalent replacement, improved, and the like, shall be included in the scope of protection of this invention.