WO2017008694A1 - 直流松土机 - Google Patents

直流松土机 Download PDF

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Publication number
WO2017008694A1
WO2017008694A1 PCT/CN2016/089381 CN2016089381W WO2017008694A1 WO 2017008694 A1 WO2017008694 A1 WO 2017008694A1 CN 2016089381 W CN2016089381 W CN 2016089381W WO 2017008694 A1 WO2017008694 A1 WO 2017008694A1
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WO
WIPO (PCT)
Prior art keywords
ripper
motor
fixed
casing
steel sheet
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PCT/CN2016/089381
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English (en)
French (fr)
Inventor
葛树兴
陈坚跃
张小荣
Original Assignee
常州合力电器有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Priority claimed from CN201510406772.XA external-priority patent/CN105309069A/zh
Priority claimed from CN201520501053.1U external-priority patent/CN204810825U/zh
Application filed by 常州合力电器有限公司 filed Critical 常州合力电器有限公司
Priority to DE112016002687.0T priority Critical patent/DE112016002687T5/de
Publication of WO2017008694A1 publication Critical patent/WO2017008694A1/zh

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B45/00—Machines for treating meadows or lawns, e.g. for sports grounds
    • A01B45/02—Machines for treating meadows or lawns, e.g. for sports grounds for aerating
    • A01B45/026—Scarifiers comprising a knife reel actively driven around a substantially horizontal shaft
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
    • A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel

Definitions

  • the invention relates to a garden device, in particular to a DC ripper, which is a small ripper.
  • the loose soil operation is a basic operation in agriculture.
  • the ripper is used to loosen the soil and remove humus such as dead leaves on the surface of the soil, so that the surface vegetation can shine into the sun for better growth.
  • the traditional ripper has the following problems: 1
  • 1 The size and weight of the outer shape are large, and the operation is inconvenient; especially the machinery that is directly transferred from the open field to the shed, it is very difficult to turn and transfer in the facility, and the corner area cannot work; 2
  • the adaptability is poor.
  • the soil moisture content is high (more than 15%), the loose soil effect is worse and the energy consumption is increased. Due to these problems, the traditional large-scale ripper is only suitable for large-scale cultivation of flat land without crops, but there are many inconveniences for hills, mountains, small plots with high heights, grounds with crops, and greenhouses.
  • the small ripper is developed from the foundation of a traditional ripper and is simplified in configuration and structure for use in home patios.
  • the current ripper is mainly composed of a motor, a reduction gear, a traveling mechanism, a ripper knife, a depth adjustment mechanism, etc., wherein the motor uses an AC motor and requires a power cord, which is relatively bulky.
  • the object of the present invention is to provide a DC ripper, which reduces the volume of the ripper, simplifies its structure, improves its maneuverability and reduces energy consumption; and is suitable for hills, mountains, and height differences. Small plots, ground with crops, and greenhouses.
  • the DC ripper comprises: a main casing for accommodating the main body of the ripper; a handle connected to the main casing, and the main body of the ripper is driven by an external force; the wheel set, including the rear wheel set and the front wheel set, is mounted on The bottom of the main casing; the ripper main body includes a loose soil mechanism, a power device for powering the loose soil mechanism, and a power control mechanism for controlling the operation of the loose soil mechanism.
  • the power unit includes a battery assembly and a DC motor electrically connected to the DC motor, the main housing is provided with a battery compartment for mounting the battery assembly and a receiving cavity for mounting the DC motor, wherein the battery compartment is provided with a fixed battery The holder of the assembly.
  • the DC motor adopts a brushless DC motor;
  • the brushless DC motor comprises a motor shaft, a stator sleeved on the motor shaft, a plastic winding frame, a two-stage plastic winding frame matched with the stator, and a rotor assembly.
  • the rotor assembly includes a stretching casing located on an outer circumference of the stator, a cage sleeved in the stretching casing, and a permanent magnet fixed on an inner wall of the stretching casing, the permanent magnet including an S pole magnetic a steel sheet and an N-pole magnetic steel sheet, wherein the inner wall of the stretching casing is provided with a fixing groove for fixing the S-pole magnetic steel sheet and the N-pole magnetic steel sheet in the axial direction, and the S-pole magnetic steel sheet and the N-pole magnetic steel sheet pass The fixing grooves are alternately fixed to each other on the holder.
  • the two-stage plastic winding frame comprises a first plastic winding frame and a second plastic winding frame, and a ventilation passage is arranged between the first plastic winding frame and the second plastic winding frame.
  • the rotor assembly further includes a vane at one end of the motor shaft and a fixed plate at the other end of the motor shaft.
  • the ripper mechanism comprises a arbor and a ripper blade or a wire claw fixed on the arbor, the bottom of the main casing is provided with a fixing seat for fixing the arbor, the arbor and the motor of the DC motor
  • the shaft is coupled by a pulley set including a drive wheel, a driven wheel and a belt connecting the drive wheel and the driven wheel, the drive wheel being fixed to the motor shaft, and the driven wheel being fixed to the cutter shaft.
  • the power control mechanism includes a controller for controlling the output power of the DC motor and a control switch for turning the controller on and off, the controller is electrically connected to the control switch, and the controller is electrically connected to the motor.
  • control switch is disposed on the handle, and the control switch comprises a switch button and a switch lever electrically connected to each other.
  • the battery component is a lithium battery pack.
  • the DC ripper according to the present invention further includes a garbage hopper fixed to the rear end of the main casing corresponding to the rear side of the loose soil mechanism.
  • Figure 1 is an outline view of a DC ripper according to the present invention.
  • FIG. 2 is a schematic structural view of a DC ripper according to the present invention.
  • FIG. 3 is a schematic structural view of a brushless DC motor according to the present invention.
  • FIG. 4 is a schematic structural view of a loose soil mechanism of a DC ripper according to the present invention.
  • FIG. 5 is another schematic structural view of the loose soil mechanism of the DC ripper according to the present invention.
  • the reference numerals in the figure are as follows: 10, main housing; 11, battery compartment; 111, cavity; 112, cover; 12, receiving cavity; 20, handle; 30, wheel set; 40, loose soil mechanism; , cutter shaft; 42, ripper knife set; 43, wire claw; 50, power unit; 51, battery assembly; 52, brushless DC motor; 531, motor shaft; 5321, first plastic winding frame; Plastic winding frame; 533, stator; 534, cage; 535, permanent magnet; 536, pull Extending the casing; 537, fan blade; 538, fixed plate; 61, controller; 62, control switch; 621, switch button; 622, switch lever; 70, garbage bucket.
  • the DC ripper of the present invention comprises:
  • a main casing 10 for accommodating the main body of the ripper; a handle 20 connected to the main casing and propelling the ripper body by an external force; the wheel set 30, including the rear wheel set and the front wheel set, mounted to the main casing 10
  • the bottom of the ripper includes a ripper mechanism 40, a power unit 50 that powers the ripper mechanism 40, and a power control mechanism for controlling the operation of the ripper mechanism 40.
  • the power unit 50 includes a battery assembly 51 and a DC motor.
  • the DC motor of the embodiment uses a brushless DC motor 52.
  • the battery assembly 51 is electrically connected to the brushless DC motor 52.
  • the main housing 10 is provided with a battery. a battery compartment 11 of the assembly 51 and a receiving cavity 12 for mounting the brushless DC motor 52.
  • the battery compartment 11 includes a cavity 111 and a cover 112.
  • the cavity 111 is provided with a fixing frame for fixing the battery assembly 51 (not shown). ).
  • the brushless DC motor 52 includes a motor shaft 531, a stator 533 plastic sleeve that is sleeved on the motor shaft 531, and a two-stage plastic winding that cooperates with the stator 533.
  • Rack and rotor assembly Further, on the basis of Embodiment 1, in the embodiment 2 of the present invention, the rotor assembly includes a stretching casing 536 that is sleeved on the outer circumference of the stator 533, and is pulled and pulled in the stretching casing 536.
  • the retaining frame 534 and the permanent magnet 535 fixed on the inner wall of the stretching casing 536 include the S pole magnetic steel sheet and the N pole magnetic steel sheet, and the inner wall of the stretching casing 536
  • a fixing groove for fixing the S-pole magnetic steel sheet and the N-pole magnetic steel sheet is disposed in the axial direction, and the S-pole magnetic steel sheet and the N-pole magnetic steel sheet are mutually staggered and fixed to the stretching casing 536 by the fixing grooves. Since the cage cooperates with the stretching casing 536, the S-pole magnetic steel sheet and the N-pole magnetic steel sheet can be firmly fixed to the inner wall of the stretching casing 536.
  • the permanent magnet 535 is not limited. In the form of a magnetic steel sheet, it can also be any other form that can achieve the same function.
  • the two-stage plastic winding frame described in Embodiment 3 includes a first plastic winding frame 5321 and a second plastic winding frame 5322, and the first plastic winding frame 5321 and the first A ventilation passage is disposed between the two plastic winding frames 5322.
  • the ventilation passage can be used as a heat dissipation passage to facilitate heat dissipation of the winding and prolong the service life of the motor.
  • the rotor assembly further includes a blade 537 at one end of the motor shaft and a fixing plate 538 at the other end of the motor shaft.
  • the loosening mechanism 40 includes a cutter shaft 41 and a ripper blade set 42 fixed to the arbor 41, and the bottom of the main casing 10 is provided with a fixed cutter shaft 41.
  • Seat (not shown) the knife The shaft 41 and the motor shaft 531 of the brushless DC motor 52 are connected by a pulley set (not shown) including a driving wheel, a driven wheel and a belt connecting the driving wheel and the driven wheel, the driving wheel being fixed to the motor On the shaft, the driven wheel is fixed to the cutter shaft 41.
  • the ripper set of the loose soil mechanism can also be replaced by steel claws 43 (see Figure 5) or by other structures that can loosen or vent the surface of the earth.
  • the power control mechanism includes a controller 61 that controls the output power of the DC motor and a control switch 62 that turns the controller 61 on and off, and the controller 61 and the control switch 62 are electrically Connected, the controller 61 is electrically connected to the DC motor.
  • the controller 61 of the present embodiment is a controller of the brushless DC motor 52.
  • the controller 61 is electrically connected to the brushless DC motor 52.
  • control switch may be disposed on the handle, and the control switch 62 includes a switch button 621 and a switch lever 622 that are electrically connected to each other.
  • the battery component is a lithium battery pack.
  • the battery pack is not limited to a lithium battery pack, but may be other storage batteries. Considering the volume and weight of the ripper, selecting a lithium battery is a preferred solution.
  • the DC ripper of the present invention further includes a garbage hopper 70 fixed to the rear end of the main casing 10 corresponding to the rear side of the ripper mechanism 40.
  • the ripper mechanism can be used to fill the garbage that is covered with dead leaves on the ground and causes the floor to be airtight.
  • the human push handle can push the ripper machine to the position where the loose soil is needed, and then activate the switch button 621 of the control mechanism, and the switch command 622 opens the command to reach the controller 61, and the controller 61 controls the DC motor 52 to
  • the battery assembly 51 is driven to rotate
  • the driving wheel of the gear assembly fixed on the motor shaft 531 starts to rotate. Since the driving wheel and the driven wheel mesh with each other to drive the driven wheel to rotate, the cutter shaft 41 and the ripper cutter of the ripper mechanism 40 are driven. 42 or wire claw 43 works.
  • the DC ripper according to the invention has the advantages of simple structure, small size and light weight, good maneuverability, favorable labor intensity reduction and work efficiency, and can be applied to small plots with hills, mountains, high height differences, and crops. Ground Crop cultivation and loosening of the environment such as greenhouses.
  • the DC ripper according to the present invention further controls the power of the DC motor through the controller, and controls the output power of the motor according to the size of the workload to save power.
  • the DC ripper of the present invention has good transformation and flexible operation.

Abstract

一种直流松土机，包括用于容纳松土机主体的主壳体（10），手柄（20）连接在主壳体（10）上，通过外力推动松土机主体；轮组（30），包括后轮组和前轮组，安装于主壳体（10）的底部；所述松土机主体包括松土机构（40）、为松土机构（40）提供动力的动力装置（50），用于控制松土机构（40）工作的动力控制机构；所述动力装置（50）包括电池组件（51）和直流电机，该电池组件（51）与直流电机电连接，所述主壳体（10）上设置有安装电池组件（51）的电池仓（11）及安装直流电机的容纳腔（12），所述电池仓（11）中设置有固定电池组件（51）的固定架；该松土机体积小，结构简单，机动性能高，灵活，能耗低，工作时间长，电机使用寿命长；适用于丘陵、山地、庭院、高差大的小地块、有作物的地面以及温室大棚等。

Description

直流松土机 技术领域
本发明涉及园林设备，具体涉及一种直流松土机，是一种小型的松土机。
背景技术
随着农业的快速发展，农业作业逐渐实现了机械化。松土作业是农业中的基础性作业。松土机是用于翻松土壤，去除土壤表面的枯叶等腐殖质，使地表植被能照到阳光从而更好的生长。
传统的松土机存在以下问题：①外型尺寸及重量大，操作不灵便；特别是从露地直接转移到大棚内的机械，在设施内转向和转移都十分困难，而且边角地带无法工作；②适应性较差，当土壤含水率较高(超过15％以上)时，松土效果变差，能耗增加。由于这些问题的存在，传统的大型松土机只适用于大面积耕种没有作物的平地，而对于丘陵、山地、高差大的小地块、有作物的地面以及温室大棚却有诸多不便。
小型松土机是在传统的松土机的基础发展而来，在配置及结构上进行了简化,可用于家庭庭院。目前的松土机主要由电动机、减速齿轮、行走机构、松土刀、深度调节机构等部件组成；其中电动机采用交流电机，需要电源线，较为笨重。
发明内容
为了克服现有技术的不足，本发明的目的在于提供一种直流松土机，缩小松土机的体积，简化其结构，提高其机动性能，降低能耗；适用于丘陵、山地、高差大的小地块、有作物的地面以及温室大棚等。
为解决上述问题，本发明所采用的技术方案如下：
直流松土机，包括：用于容纳松土机主体的主壳体；手柄，连接在主壳体上，通过外力推动松土机主体；轮组，包括后轮组和前轮组，安装于主壳体的底部；所述松土机主体包括松土机构、为松土机构提供动力的动力装置，用于控制松土机构工作的动力控制机构。
所述动力装置包括电池组件和直流电机，该电池组件与直流电机电连接，所述主壳体上设置有安装电池组件的电池仓及安装直流电机的容纳腔，所述电池仓中设置有固定电池组件的固定架。
进一步的，所述直流电机采用无刷直流电机；所述无刷直流电机包括电机轴、套接在电机轴上的定子、塑料绕架、与定子配合的两段式塑料绕架以及转子总成。
进一步的，所述转子总成包括位于定子外周的拉伸机壳、套接在拉伸机壳内的保持架和固定在拉伸机壳内壁上的永磁体，所述永磁体包括S极磁钢片和N极磁钢片，所述拉伸机壳内壁沿轴向方向设置有固定S极磁钢片和N极磁钢片的固定槽，S极磁钢片和N极磁钢片通过固定槽相互交错固定在保持架上。
进一步的，所述两段式塑料绕架包括第一塑料绕架和第二塑料绕架，第一塑料绕架与第二塑料绕架之间设置有通风通道。
进一步的，所述转子总成还包括位于电机轴一端的风叶以及位于电机轴另一端的固定板。
进一步的，所述松土机构包括刀轴和固定在刀轴上的松土刀组或钢丝爪，所述主壳体底部设置有固定刀轴的固定座，所述刀轴与直流电机的电机轴通过一皮带轮组连接，该皮带轮组包括主动轮、从动轮和连接主动轮和从动轮的皮带，所述主动轮固定在电机轴上，从动轮固定在刀轴上。
进一步的，所述动力控制机构包括控制直流电机输出功率的控制器和用于打开和关闭控制器的控制开关，所述控制器与控制开关电连接，控制器与电机电连接。
进一步的，所述控制开关设置在手柄上，该控制开关包括相互电连接的开关按钮和开关操纵杆。
进一步的，所述电池组件为锂电池组。
进一步的，本发明所述的直流松土机还包括一垃圾斗，该垃圾斗固定在主壳体的后端对应于松土机构的后侧。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明。
图1为本发明所述的直流松土机外形图。
图2为本发明所述的直流松土机结构示意图。
图3为本发明所述的无刷直流电机结构示意图。
图4为本发明所述的直流松土机松土机构结构示意图。
图5为本发明所述的直流松土机松土机构的另一种结构示意图。
图中各附图标记如下：10、主壳体；11、电池仓；111、腔体；112、盖体；12、容纳腔；20、手柄；30、轮组；40、松土机构；41、刀轴；42、松土刀组；43、钢丝爪；50、动力装置；51、电池组件；52、无刷直流电机；531、电机轴；5321、第一塑料绕架；5322、第二塑料绕架；533、定子；534、保持架；535、永磁体；536，拉 伸机壳；537、风叶；538、固定板；61、控制器；62、控制开关；621、开关按钮；622、开关操纵杆；70、垃圾斗。
具体实施方式
如图1、图2所示，本发明所述的直流松土机，包括：
用于容纳松土机主体的主壳体10；手柄20，连接在主壳体上，通过外力推动松土机主体；轮组30，包括后轮组和前轮组，安装于主壳体10的底部；所述松土机主体包括松土机构40、为松土机构40提供动力的动力装置50，用于控制松土机构40工作的动力控制机构。
所述动力装置50包括电池组件51和直流电机，本实施例的直流电机采用无刷直流电机52；该电池组件51与无刷直流电机52电连接，所述主壳体10上设置有安装电池组件51的电池仓11及安装无刷直流电机52的容纳腔12，所述电池仓11包括腔体111和盖体112，腔体111中设置有固定电池组件51的固定架(图中未示)。
如图3所示，具体地，实施例1中，所述无刷直流电机52包括电机轴531、套接在电机轴531上的定子533塑料绕架、与定子533配合的两段式塑料绕架以及转子总成。进一步的，在实施例1的基础上，本发明的实施例2中，所述转子总成包括套接在定子533外周的拉伸机壳536、套接在拉伸机壳536内的与拉伸机壳536相配合的保持架534和固定在拉伸机壳536内壁上的永磁体535所述永磁体535包括S极磁钢片和N极磁钢片，所述拉伸机壳536内壁沿轴向方向设置有固定S极磁钢片和N极磁钢片的固定槽，S极磁钢片和N极磁钢片通过固定槽相互交错固定在拉伸机壳536上。由于保持架与拉伸机壳536相配合，可以使S极磁钢片和N极磁钢片牢固地固定在拉伸机壳536内壁，当然在具体的实施过程中，永磁体535并不限定于磁钢片一种形式，也可以是其他任何一种可以实现相同功能的形式。
进一步的，在实施例1和实施例2的基础上，实施例3中所述两段式塑料绕架包括第一塑料绕架5321和第二塑料绕架5322，第一塑料绕架5321与第二塑料绕架5322之间设置有通风通道。该通风通道可以用作散热通道，有利于绕组的散热，延长电机的使用寿命。
在上述实施例1-3的基础上，进一步的，所述转子总成还包括位于电机轴一端的风叶537以及位于电机轴另一端的固定板538。
在实施例1-3中，具体地，所述松土机构40包括刀轴41和固定在刀轴41上的松土刀组42，所述主壳体10底部设置有固定刀轴41的固定座(图中未示)，所述刀 轴41与无刷直流电机52的电机轴531通过一皮带轮组(图中未示)连接，该皮带轮组包括主动轮、从动轮和连接主动轮和从动轮的皮带，所述主动轮固定在电机轴上，从动轮固定在刀轴41上。此外松土机构的松土刀组也可以用钢丝爪43(见图5)或者用其他可以松土或使土地表面透气的其他结构所替代。
在实施例1-3中，具体地，所述动力控制机构包括控制直流电机输出功率的控制器61和用于打开和关闭控制器61的控制开关62，所述控制器61与控制开关62电连接，控制器61与直流电机电连接。本实施例的控制器61为无刷直流电机52的控制器，控制器61与无刷直流电机52电连接，通过根据工作负载的大小控制电机输出功率，可有效起到节电目的。
在实施例1-3中，进一步的，可以将所述控制开关设置在手柄上，控制开关62包括相互电连接的开关按钮621和开关操纵杆622。
作为优选的，在本发明所有的实施例中，所述电池组件为锂电池组。当然电池组并不仅仅限定为锂电池组，也可以是其他蓄电池，考虑到松土机的体积及重量，选择锂电池是较佳的方案。
进一步的，本发明所述的直流松土机还包括一垃圾斗70，该垃圾斗70固定在主壳体10的后端对应于松土机构40的后侧。在松土或对地面进行透气处理时候，通过松土机构可以将枯叶覆盖在地面的导致地面不透气的垃圾装进垃圾斗中。
本发明的所述的直流松土机工作原理描述如下：
人力推动手柄可以将松土机整机推至需要松土的位置，然后启动控制机构的开关按钮621，在开关操纵杆622的作用下开启指令到达控制器61，控制器61控制直流电机52在电池组件51的驱动下转动，固定在电机轴531上的齿轮组件的主动轮开始转动，由于主动轮与从动轮啮合从而带动从动轮转动，即带动松土机构40的刀轴41与松土刀42或钢丝爪43工作。
上述实施方式仅为本发明的优选实施方式，不能以此来限定本发明保护的范围，本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。
工业应用性
相比现有技术，本发明的有益效果在于：
1.本发明所述的直流松土机结构简单，尺寸小质量轻便，机动性能好，有利于减轻劳动强度，提高工作效率，可适用于丘陵、山地、高差大的小地块、有作物的地面 以及温室大棚等环境的作物耕种和松土。
2.本发明所述的直流松土机进一步的通过控制器控制直流电机的功率，根据工作负载的大小控制电机输出功率，起到节电目的。
3.本发明所述的直流松土机具有良好的转型性，操作灵活。

Claims (10)

  1. 一种直流松土机，包括：
    用于容纳松土机主体的主壳体(10)；
    手柄(20)，连接在主壳体上，通过外力推动松土机主体；
    轮组(30)，包括后轮组和前轮组，安装于主壳体的底部；其特征在于：
    所述松土机主体包括松土机构(40)、为松土机构(40)提供动力的动力装置(50)和用于控制松土机构(40)工作的动力控制机构；
    所述动力装置(50)包括电池组件(51)和直流电机，该电池组件(51)与直流电机电连接，所述主壳体(10)上设置有安装电池组件(51)的电池仓(11)及安装直流电机的容纳腔(12)，所述电池仓(11)中设置有固定电池组件(51)的固定架。
  2. 根据权利要求1所述的直流松土机，其特征在于：所述直流电机采用无刷直流电机(52)；所述无刷直流电机(52)包括电机轴(531)、套接在电机轴(531)上的定子(533)、与定子(533)配合的两段式塑料绕架以及转子总成。
  3. 根据权利要求2所述的直流松土机，其特征在于：所述转子总成包括位于定子(533)外周的拉伸机壳(536)、套接在拉伸机壳(536)内与拉伸机壳(536)相配合的保持架(534)和固定在拉伸机壳(536)内壁上的永磁体(535)，所述永磁体(535)包括S极磁钢片和N极磁钢片，所述拉伸机壳(536)内壁沿轴向方向设置有固定S极磁钢片和N极磁钢片的固定槽，S极磁钢片和N极磁钢片通过固定槽相互交错固定在拉伸机壳(536)上。
  4. 根据权利要求2所述的直流松土机，其特征在于：所述两段式塑料绕架包括第一塑料绕架(5321)和第二塑料绕架(5322)，第一塑料绕架(5321)与第二塑料绕架(5322)之间设置有通风通道。
  5. 根据权利要求2所述的直流松土机，其特征在于：所述转子总成还包括位于电机轴(531)一端的风叶(537)，以及位于电机轴另一端的固定板(538)。
  6. 根据权利要求2-5任一项所述的直流松土机，其特征在于：所述松土机构(40)包括刀轴(41)和固定在刀轴(41)上的松土刀组(42)或钢丝爪(43)，所述主壳体(10)底部设置有固定刀轴(41)的固定座，所述刀轴(41)与无刷直流电机(52)的电机轴(531)通过一皮带轮组连接，该皮带轮组包括主动轮、从动轮和连接主动轮和从动轮的皮带，所述主动轮固定在电机轴上，从动轮固定在刀轴(41)上。
  7. 根据权利要求2-5任一项所述的直流松土机，其特征在于：所述动力控制机构包括控制直流电机输出功率的控制器(61)和用于打开和关闭控制器(61)的控 制开关(62)，所述控制器(61)与控制开关(62)电连接，控制器(61)与无刷直流电机(52)电连接。
  8. 根据权利要求7所述的直流松土机，其特征在于：所述控制开关设置在手柄上，该控制开关包括相互电连接的开关按钮(621)和开关操纵杆(622)。
  9. 根据权利要求2-5任一项所述的直流松土机，其特征在于：所述电池组件为锂电池组。
  10. 根据权利要求1或2所述的直流松土机，其特征在于：该直流松土机还包括一垃圾斗(70)，该垃圾斗固定在主壳体(10)的后端对应于松土机构(40)的后侧。
PCT/CN2016/089381 2015-07-11 2016-07-08 直流松土机 WO2017008694A1 (zh)

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