WO2015021742A1 - Gear change mechanism - Google Patents

Gear change mechanism Download PDF

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Publication number
WO2015021742A1
WO2015021742A1 PCT/CN2014/000728 CN2014000728W WO2015021742A1 WO 2015021742 A1 WO2015021742 A1 WO 2015021742A1 CN 2014000728 W CN2014000728 W CN 2014000728W WO 2015021742 A1 WO2015021742 A1 WO 2015021742A1
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WO
WIPO (PCT)
Prior art keywords
gear
shifting
hydraulic cylinder
shaft
cylinder piston
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/CN2014/000728
Other languages
French (fr)
Chinese (zh)
Inventor
张孝公
夏兆悦
逯成龙
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.)
SHANDONG YIXIN HEAVY MACHINERY MANUFACTURING Co Ltd
Original Assignee
SHANDONG YIXIN HEAVY MACHINERY MANUFACTURING Co Ltd
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Publication of WO2015021742A1 publication Critical patent/WO2015021742A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/22Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
    • F16H3/30Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial

Definitions

  • the present invention relates to a shifting mechanism for use in variable speed transmissions for machine tools and other mechanical industries.
  • the known shifting mechanism is generally connected directly to the ordinary motor and the shifting machine. It can be manually shifted at multiple speeds.
  • CNC machine tools generally do not shift gears. The advanced ones can only be high and low, and there is no common medium speed. Commonly used intermediate cutting torque and speed;
  • CNC shifting machines now use shifting forks and idlers, shifting forks and rollers are worn faster, and more troubles due to increased complexity of the mechanism. Since there is no high-, medium-, and low-speed three-speed gearbox in the field of CNC machine tools, the range of shifting is small, especially when the amount of knife is large and low torque is required, the machining requirements cannot be met. If the two speed ratio is increased, the high torque and high speed are met. At the speed, there is no common intermediate cutting torque and speed. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a three-speed shifting mechanism with a simple structure, low failure rate, and no need to install a shift fork and a supporting wheel, and to meet the high, medium and low three-speed shifting, thereby satisfying the machine tool to eat.
  • the output can still meet the processing requirements.
  • the technical solution adopted by the present invention to solve the technical problem thereof is a shifting mechanism that does not require a shift fork and a carrier, and includes a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a housing a gear transmission device inside the body, the left and right side walls of the housing are respectively provided with upper and lower shaft holes, and the power input device is a motor fixedly connected to the right side of the transmission housing, and the replacement
  • the gear operating device is fixedly coupled to the right side of the transmission housing and directly above the motor, and the shift operating device performs high, medium and low three-speed shifting by pulling the shifting triple gear on the gear transmission device.
  • the motor output shaft is connected to one end of the driving shaft in the transmission through a lower shaft hole of the right side wall of the housing, and is fixed to the right side wall of the transmission housing through the first roller bearing, and the shifting A first drive shaft gear, a second drive shaft gear and a third drive shaft gear are arranged in sequence on the drive shaft in the box, and a driven shaft above the drive shaft is arranged in the gearbox, and the driven shaft is a gear shaft
  • the driven shaft is further provided with a driven shaft gear and a shifting triple gear in order from left to right.
  • the shifting control device is composed of a shifting hydraulic cylinder and a shifting cylinder electromagnetic positioning device, and a hydraulic cylinder piston with a shifting hydraulic cylinder piston rod is arranged in the shifting hydraulic cylinder, and one end of the hydraulic cylinder piston rod is shifted. It is fixedly connected to the driven shaft, and the other end is connected to the hydraulic cylinder piston through the rolling bearing, the hydraulic cylinder piston rod retaining ring and the piston cover.
  • the intermediate portion of the driven shaft is a longitudinally open splined shaft.
  • the driven shaft gear end portion is provided with an internal gear, and the internal gear can be engaged with the driven shaft by meshing with the pinion gear at one end of the shifting triple gear.
  • the shifting hydraulic cylinder piston rod is disposed inside the driven shaft to enable left and right movement and follow the rotation of the driven shaft.
  • the tip diameter dl of the first drive shaft gear is larger than the addendum circle diameter d2 of the second drive shaft gear
  • the addendum circle diameter d2 of the second drive shaft gear is larger than the addendum of the third drive shaft gear
  • the diameter of the circle is d3.
  • the other end of the driving shaft in the gearbox is fixed in the lower shaft hole of the transmission case through a deep groove ball bearing and sealed by a stuff cover, and one end of the driven shaft in the gearbox passes through the second
  • the roller bearing is fixed in the upper shaft hole of the left side wall of the transmission housing and passes through a certain length of the left side wall, and the other end is fixed in the upper shaft hole of the right side wall of the transmission housing through the third roller bearing and Connection with the shifting hydraulic cylinder piston rod.
  • one end of the shifting hydraulic cylinder piston rod is connected with the shifting triple gear through the triple gear connecting pin shaft and the triple gear connecting pin, and the shifting hydraulic cylinder piston rod is passed through the rolling bearing and the hydraulic cylinder piston rod card.
  • Block retaining ring and piston cover and hydraulic The cylinder piston is connected, the piston guiding screw is mounted on the shifting hydraulic cylinder, and the hydraulic cylinder piston is provided with an open slot, and the piston guiding screw cooperates with the shift cylinder electromagnetic positioning device to pull the shifting triple gear to perform the high, middle and low three-speed shifting. .
  • the invention has the beneficial effects that the intermediate speed can be realized without using the shift fork and the idler, that is, the third speed and the stepless speed change, the shift range is large, the high, medium and low shifts can be realized, and the failure rate is low. Not only for various CNC machine tools, but also for other CNC heavy-duty mechanical shifts
  • Figure 1 is a front elevational view of the transmission of the present invention
  • Figure 2 is a bottom plan view of the transmission of the present invention.
  • Figure 3 is a first cross-sectional view of the transmission of the present invention.
  • Figure 4 is a second cross-sectional view of the transmission of the present invention.
  • 1 is the motor
  • 2 is the gearbox
  • 3 is the drive shaft
  • 4 is the first drive gear
  • 5 is the second drive gear
  • 6 is the third drive gear
  • 7 is the driven shaft
  • 8 is the shift triple gear
  • 9 is Triple gear connecting pin
  • 1 0 is triple gear connecting pin retaining ring
  • 1 1 is driven shaft gear
  • 12 is shifting hydraulic cylinder piston rod
  • 1 3 is piston cover
  • 14 is rolling bearing
  • 15 is hydraulic Cylinder piston rod block retaining ring
  • 1 6 is the shifting cylinder electromagnetic positioning device
  • 17 is the piston guiding screw
  • 18 is the hydraulic cylinder piston
  • 19 is the shifting hydraulic cylinder
  • 20 is the pinion
  • 21 is the internal gear.
  • a shifting mechanism that does not require a shift fork and a carrier, including a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a gear transmission device located inside the housing, the housing left, The upper two side walls are respectively provided with upper and lower shaft holes, and the power input device is a motor fixedly connected to the right side of the transmission housing, and the shift operating device is fixedly connected Connected to the right side of the transmission housing and directly above the motor, the shift operating device performs high, medium and low three-speed shifting by pulling the shifting triple gear on the gear transmission.
  • a shifting mechanism that does not require a shift fork and a carrier, including a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a gear transmission device located inside the housing, the housing left, The upper two side walls are respectively provided with upper and lower shaft holes, and the power input device is a motor fixedly connected to the right side of the transmission housing, and the shift operating device is fixedly connected to the right side of the transmission housing and Located directly above the motor, the shift operating device performs high, medium and low three-speed shifting by pulling a shifting triple gear on the gear transmission device.
  • the motor output shaft is connected to one end of the drive shaft in the transmission through a lower shaft hole of the right side wall of the housing, and is fixed to the right side wall of the transmission housing through the first roller bearing, in the gearbox a first drive shaft gear, a second drive shaft gear and a third drive shaft gear are arranged in sequence on the drive shaft, and a driven shaft above the drive shaft is disposed in the transmission, the driven shaft is a gear shaft,
  • the driven shaft is also provided with a driven shaft gear and a shifting triple gear from left to right.
  • the motor 1 is fixed to the gearbox 2, the drive shaft 3 is connected to the motor 1, and the first drive shaft gear 4, the second drive shaft gear 5 and the third drive shaft gear 6 in the transmission 2 are fixed on the drive shaft 3,
  • the moving shaft gear 1 1 is mounted on the driven shaft 7, and the shifting triple gear 8 is mounted on the driven shaft 7.
  • the shifting hydraulic cylinder piston rod 12-end is stopped by the triple gear connecting pin 9 and the triple gear connecting pin.
  • the ring 10 is connected with the shifting triple gear 8
  • the shifting hydraulic cylinder piston rod 12 is connected to the hydraulic cylinder piston 18 through the rolling bearing 14 , the hydraulic cylinder piston rod block retaining ring 15 and the piston cover 13 .
  • the cylinder 19 is fixed on the gearbox 2, and the piston guide screw 17 is mounted on the shift hydraulic cylinder 19.
  • the hydraulic cylinder piston 18 is provided with an open groove, and the piston guide screw ⁇ cooperates with the shift cylinder electromagnetic positioning device 16 to pull and shift.
  • the triple gear 8 performs high, medium and low three-speed shifting. The original shift fork and the idler are omitted, and the middle hole is used for gear positioning, and there is no wear.
  • the preferred embodiments of the present invention include the best mode known to the inventors for carrying out the invention. Variations of the preferred embodiment will be apparent to those of ordinary skill in the art after reading the above description. The inventors intend for a person skilled in the art to reasonably apply such a change, and the inventors believe that the invention can be practiced otherwise than as specifically described herein. Therefore, the present invention includes all modifications and equivalents of the subject matter recited in the claims, which are permitted in the applicable law. Furthermore, any combination of all possible variations of the above-described elements is also encompassed by the present invention unless otherwise indicated herein or clearly contradicted in the context.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

Disclosed is a gear change mechanism without the need for shift forks and idlers, comprising a power input device (1), a gear box (2) and a gear shift manipulation device, wherein the gear box (2) comprises a housing and a gear transmission device located inside the housing, the left and right side walls of the housing are each provided with an upper and a lower shaft hole, the power input device (1) is fixedly connected to an electrical motor (1) on the right side of the gear box housing, the gear shift manipulation device is fixedly connected on the right side of the gear box housing and is located right above the electrical motor (1), the gear shift manipulation device performs high, middle and low gear change by means of pulling gear shift triple gears (8) on the gear transmission device, thereby meeting the requirements of high, middle and low gear change in the gear change mechanism, and omitting former shift forks and idlers.

Description

一种变速机构  Speed changing mechanism

技术领域 Technical field

本发明涉及一种变速机构, 应用于机床及其它机械行业变速传动装 置。  The present invention relates to a shifting mechanism for use in variable speed transmissions for machine tools and other mechanical industries.

背景技术 Background technique

目前, 公知的变速机构一般是普通电机与变速机直接相连, 可手动 多速换挡, 现在数控机床一般不换挡, 较先进的只能高、 低两挡, 没有 常用的中速, 不能满足常用的中间切削扭力和速度; 此外, 现在数控机 床多采用变速拨叉和托轮, 变速拨叉和托轮磨损较快, 并且由于机构复 杂度的增加导致使用时故障更多。 由于数控机床领域目前没有高、 中、 低三档变速机, 变速范围小, 特别在吃刀量大、 需要低速大扭矩时不能满足加工要求, 如果加大两档 速比, 满足大扭矩和高转速, 就没有常用的中间切削扭力和速度。 发明内容  At present, the known shifting mechanism is generally connected directly to the ordinary motor and the shifting machine. It can be manually shifted at multiple speeds. Now CNC machine tools generally do not shift gears. The advanced ones can only be high and low, and there is no common medium speed. Commonly used intermediate cutting torque and speed; In addition, CNC shifting machines now use shifting forks and idlers, shifting forks and rollers are worn faster, and more troubles due to increased complexity of the mechanism. Since there is no high-, medium-, and low-speed three-speed gearbox in the field of CNC machine tools, the range of shifting is small, especially when the amount of knife is large and low torque is required, the machining requirements cannot be met. If the two speed ratio is increased, the high torque and high speed are met. At the speed, there is no common intermediate cutting torque and speed. Summary of the invention

本发明的要解决的技术问题是, 提供一种结构简单, 故障率低, 无 需安装换挡拨叉和托轮的三档变速机构, 满足高、 中、 低三档变速, 从 而满足机床在吃刀量大、需要低速大扭矩时仍然能够输出符合加工要求。 本发明解决其技术问题所采用的技术方案是, 一种无需换挡拨叉和 托轮的变速机构, 包括动力输入装置、 变速箱以及换档操纵装置, 所述 变速箱包括壳体以及位于壳体内部的齿轮传递装置, 所述壳体左、 右两 侧壁上各设置有上、 下两个轴孔, 所述动力输入装置为固定连接在变速 箱壳体右侧的电机, 所述换档操纵装置固定连接在变速箱壳体右侧且位 于电机正上方, 所述换档操纵装置通过拉动齿轮传递装置上的换挡三联 齿轮进行高、 中、 低三档变速。 从而满足了变速机构的高、 中、 低三档 变速需求, 并省去了原来换挡拨叉和托轮, 利用中孔换挡定位, 减少了 机构的磨损。 进一步的, 所述电机输出轴穿过壳体右侧壁的下轴孔与变速箱内的 主动轴的一端相连接, 并通过第一滚子轴承固定在变速箱壳体右侧壁 上, 变速箱内的主动轴上依次布置有第一主动轴齿轮、 第二主动轴齿轮 及第三主动轴齿轮, 变速箱内还布置有位于主动轴上方的从动轴, 所述 从动轴为齿轮轴, 所述从动轴上还从左到右依次设置有从动轴齿轮以及 换挡三联齿轮。 The technical problem to be solved by the present invention is to provide a three-speed shifting mechanism with a simple structure, low failure rate, and no need to install a shift fork and a supporting wheel, and to meet the high, medium and low three-speed shifting, thereby satisfying the machine tool to eat. When the amount of knives is large and low torque and high torque are required, the output can still meet the processing requirements. The technical solution adopted by the present invention to solve the technical problem thereof is a shifting mechanism that does not require a shift fork and a carrier, and includes a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a housing a gear transmission device inside the body, the left and right side walls of the housing are respectively provided with upper and lower shaft holes, and the power input device is a motor fixedly connected to the right side of the transmission housing, and the replacement The gear operating device is fixedly coupled to the right side of the transmission housing and directly above the motor, and the shift operating device performs high, medium and low three-speed shifting by pulling the shifting triple gear on the gear transmission device. Therefore, the high, medium and low three-speed shifting requirements of the shifting mechanism are satisfied, and the original shifting fork and the supporting wheel are omitted, and the shifting positioning by the middle hole is reduced, thereby reducing The wear and tear of the mechanism. Further, the motor output shaft is connected to one end of the driving shaft in the transmission through a lower shaft hole of the right side wall of the housing, and is fixed to the right side wall of the transmission housing through the first roller bearing, and the shifting A first drive shaft gear, a second drive shaft gear and a third drive shaft gear are arranged in sequence on the drive shaft in the box, and a driven shaft above the drive shaft is arranged in the gearbox, and the driven shaft is a gear shaft The driven shaft is further provided with a driven shaft gear and a shifting triple gear in order from left to right.

进一步的, 所述换档操纵装置由换挡液压油缸、 换挡油缸电磁定位 装置组成, 换挡液压油缸内设置带有换挡液压油缸活塞拉杆的液压油缸 活塞, 换挡液压油缸活塞拉杆的一端与从动轴固定连接, 另一端通过滚 动轴承、 液压油缸活塞拉杆卡块挡圈及活塞封盖与液压油缸活塞连接。  Further, the shifting control device is composed of a shifting hydraulic cylinder and a shifting cylinder electromagnetic positioning device, and a hydraulic cylinder piston with a shifting hydraulic cylinder piston rod is arranged in the shifting hydraulic cylinder, and one end of the hydraulic cylinder piston rod is shifted. It is fixedly connected to the driven shaft, and the other end is connected to the hydraulic cylinder piston through the rolling bearing, the hydraulic cylinder piston rod retaining ring and the piston cover.

优选的, 所述从动轴中间部分为纵向开口的花键轴。  Preferably, the intermediate portion of the driven shaft is a longitudinally open splined shaft.

优选的, 所述从动轴齿轮端部设有内齿轮, 所述内齿轮能够通过换 挡三联齿轮一端的小齿轮啮合后与从动轴配合实现传动。  Preferably, the driven shaft gear end portion is provided with an internal gear, and the internal gear can be engaged with the driven shaft by meshing with the pinion gear at one end of the shifting triple gear.

优选的, 所述换挡液压油缸活塞拉杆置于从动轴内部能够实现左右 移动以及随动于从动轴的转动。  Preferably, the shifting hydraulic cylinder piston rod is disposed inside the driven shaft to enable left and right movement and follow the rotation of the driven shaft.

优选的,所述的第一主动轴齿轮的齿顶圆直径 dl大于第二主动轴齿 轮的齿顶圆直径 d2 ,第二主动轴齿轮的齿顶圆直径 d2大于第三主动轴齿 轮的齿顶圆直径 d3。  Preferably, the tip diameter dl of the first drive shaft gear is larger than the addendum circle diameter d2 of the second drive shaft gear, and the addendum circle diameter d2 of the second drive shaft gear is larger than the addendum of the third drive shaft gear The diameter of the circle is d3.

更进一步的, 所述变速箱内的主动轴的另一端通过深沟球轴承固定 在变速箱壳体下轴孔内并通过闷盖实现密封, 所述变速箱内的从动轴一 端通过第二滚子轴承固定在变速箱壳体左侧壁的上轴孔内并穿过左侧壁 一定的长度, 另一端通过第三滚子轴承固定在变速箱壳体右侧壁的上轴 孔内并与换挡液压油缸活塞拉杆实现连接。  Further, the other end of the driving shaft in the gearbox is fixed in the lower shaft hole of the transmission case through a deep groove ball bearing and sealed by a stuff cover, and one end of the driven shaft in the gearbox passes through the second The roller bearing is fixed in the upper shaft hole of the left side wall of the transmission housing and passes through a certain length of the left side wall, and the other end is fixed in the upper shaft hole of the right side wall of the transmission housing through the third roller bearing and Connection with the shifting hydraulic cylinder piston rod.

优选的, 换挡液压油缸活塞拉杆的一端通过三联齿轮连接销轴及三 联齿轮连接销止退挡圈与换挡三联齿轮实现连接, 换挡液压油缸活塞拉 杆另一端通过滚动轴承、 液压油缸活塞拉杆卡块挡圈及活塞封盖与液压 油缸活塞连接, 活塞导向螺钉装在换挡液压油缸上, 液压油缸活塞上设 有开口槽, 沿活塞导向螺钉与换挡油缸电磁定位装置配合拉动换挡三联 齿轮进行高、 中、 低三档变速。 本发明的有益效果是不用变速拨叉和托轮仍然可以实现增加中速, 即三档加无级变速, 其变速范围大, 可实现高、 中、 低换挡, 并且故障 率低。 不但适用于各种数控机床, 而且还能满足其他数控重型机械变速 需要 附图说明 Preferably, one end of the shifting hydraulic cylinder piston rod is connected with the shifting triple gear through the triple gear connecting pin shaft and the triple gear connecting pin, and the shifting hydraulic cylinder piston rod is passed through the rolling bearing and the hydraulic cylinder piston rod card. Block retaining ring and piston cover and hydraulic The cylinder piston is connected, the piston guiding screw is mounted on the shifting hydraulic cylinder, and the hydraulic cylinder piston is provided with an open slot, and the piston guiding screw cooperates with the shift cylinder electromagnetic positioning device to pull the shifting triple gear to perform the high, middle and low three-speed shifting. . The invention has the beneficial effects that the intermediate speed can be realized without using the shift fork and the idler, that is, the third speed and the stepless speed change, the shift range is large, the high, medium and low shifts can be realized, and the failure rate is low. Not only for various CNC machine tools, but also for other CNC heavy-duty mechanical shifts

图 1是本发明变速机的主视图;  Figure 1 is a front elevational view of the transmission of the present invention;

图 2是本发明变速机的仰视图;  Figure 2 is a bottom plan view of the transmission of the present invention;

图 3是本发明变速机的第一剖视图;  Figure 3 is a first cross-sectional view of the transmission of the present invention;

图 4是本发明变速机的第二剖视图。  Figure 4 is a second cross-sectional view of the transmission of the present invention.

1是电机, 2是变速箱, 3是主动轴, 4是第一主动齿轮, 5是第二 主动齿轮, 6是第三主动齿轮, 7是从动轴, 8是换挡三联齿轮, 9是三 联齿轮连接销轴, 1 0是三联齿轮连接销止退挡圈, 1 1是从动轴齿轮, 12 是换挡液压油缸活塞拉杆, 1 3是活塞封盖, 14是滚动轴承, 1 5是液压 油缸活塞拉杆卡块挡圈, 1 6是换挡油缸电磁定位装置, 17是活塞导向螺 钉, 18是液压油缸活塞, 19是换挡液压油缸, 20是小齿轮, 21是内齿 轮。  1 is the motor, 2 is the gearbox, 3 is the drive shaft, 4 is the first drive gear, 5 is the second drive gear, 6 is the third drive gear, 7 is the driven shaft, 8 is the shift triple gear, 9 is Triple gear connecting pin, 1 0 is triple gear connecting pin retaining ring, 1 1 is driven shaft gear, 12 is shifting hydraulic cylinder piston rod, 1 3 is piston cover, 14 is rolling bearing, 15 is hydraulic Cylinder piston rod block retaining ring, 1 6 is the shifting cylinder electromagnetic positioning device, 17 is the piston guiding screw, 18 is the hydraulic cylinder piston, 19 is the shifting hydraulic cylinder, 20 is the pinion, and 21 is the internal gear.

具体实施方式 detailed description

下面结合附图和实施例对本发明的原理及优点作进一步阐述。根据图 1、 图 2、 图 3和图 4所示:  The principles and advantages of the present invention are further described below in conjunction with the drawings and embodiments. According to Figure 1, Figure 2, Figure 3 and Figure 4:

实施例 1  Example 1

一种无需换挡拨叉和托轮的变速机构, 包括动力输入装置、 变速箱 以及换档操纵装置, 所述变速箱包括壳体以及位于壳体内部的齿轮传递 装置, 所述壳体左、 右两侧壁上各设置有上、 下两个轴孔, 所述动力输 入装置为固定连接在变速箱壳体右侧的电机, 所述换档操纵装置固定连 接在变速箱壳体右侧且位于电机正上方, 所述换档操纵装置通过拉动齿 轮传递装置上的换挡三联齿轮进行高、 中、 低三档变速。 A shifting mechanism that does not require a shift fork and a carrier, including a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a gear transmission device located inside the housing, the housing left, The upper two side walls are respectively provided with upper and lower shaft holes, and the power input device is a motor fixedly connected to the right side of the transmission housing, and the shift operating device is fixedly connected Connected to the right side of the transmission housing and directly above the motor, the shift operating device performs high, medium and low three-speed shifting by pulling the shifting triple gear on the gear transmission.

实施例 2  Example 2

一种无需换挡拨叉和托轮的变速机构, 包括动力输入装置、 变速箱 以及换档操纵装置, 所述变速箱包括壳体以及位于壳体内部的齿轮传递 装置, 所述壳体左、 右两侧壁上各设置有上、 下两个轴孔, 所述动力输 入装置为固定连接在变速箱壳体右侧的电机, 所述换档操纵装置固定连 接在变速箱壳体右侧且位于电机正上方, 所述换档操纵装置通过拉动齿 轮传递装置上的换挡三联齿轮进行高、 中、 低三档变速。  A shifting mechanism that does not require a shift fork and a carrier, including a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a gear transmission device located inside the housing, the housing left, The upper two side walls are respectively provided with upper and lower shaft holes, and the power input device is a motor fixedly connected to the right side of the transmission housing, and the shift operating device is fixedly connected to the right side of the transmission housing and Located directly above the motor, the shift operating device performs high, medium and low three-speed shifting by pulling a shifting triple gear on the gear transmission device.

所述电机输出轴穿过壳体右侧壁的下轴孔与变速箱内的主动轴的 一端相连接, 并通过第一滚子轴承固定在变速箱壳体右侧壁上, 变速箱 内的主动轴上依次布置有第一主动轴齿轮、 第二主动轴齿轮及第三主动 轴齿轮, 变速箱内还布置有位于主动轴上方的从动轴, 所述从动轴为齿 轮轴, 所述从动轴上还从左到右依次设置有从动轴齿轮以及换挡三联齿 轮  The motor output shaft is connected to one end of the drive shaft in the transmission through a lower shaft hole of the right side wall of the housing, and is fixed to the right side wall of the transmission housing through the first roller bearing, in the gearbox a first drive shaft gear, a second drive shaft gear and a third drive shaft gear are arranged in sequence on the drive shaft, and a driven shaft above the drive shaft is disposed in the transmission, the driven shaft is a gear shaft, The driven shaft is also provided with a driven shaft gear and a shifting triple gear from left to right.

实施例 3  Example 3

电机 1固定在变速箱 2上, 主动轴 3与电机 1连接, 变速箱 2内的 第一主动轴齿轮 4、 第二主动轴齿轮 5及第三主动轴齿轮 6固定在主动 轴 3上, 从动轴齿轮 1 1装在从动轴 7上, 换挡三联齿轮 8装在从动轴 7 上,换挡液压油缸活塞拉杆 12—端通过三联齿轮连接销轴 9及三联齿轮 连接销止退挡圈 1 0与换挡三联齿轮 8连接, 换挡液压油缸活塞拉杆 12 另一端通过滚动轴承 14、 液压油缸活塞拉杆卡块挡圈 1 5及活塞封盖 1 3 与液压油缸活塞 18连接, 换挡液压油缸 19固定在变速箱 2上, 活塞导 向螺钉 17装在换挡液压油缸 19上, 液压油缸活塞 18上设有开口槽, 沿 活塞导向螺钉 Π与换挡油缸电磁定位装置 1 6配合拉动换挡三联齿轮 8 进行高、 中、 低三档变速。 并省去了原来换挡拨叉和托轮, 利用中孔换 挡定位, 无磨损。  The motor 1 is fixed to the gearbox 2, the drive shaft 3 is connected to the motor 1, and the first drive shaft gear 4, the second drive shaft gear 5 and the third drive shaft gear 6 in the transmission 2 are fixed on the drive shaft 3, The moving shaft gear 1 1 is mounted on the driven shaft 7, and the shifting triple gear 8 is mounted on the driven shaft 7. The shifting hydraulic cylinder piston rod 12-end is stopped by the triple gear connecting pin 9 and the triple gear connecting pin. The ring 10 is connected with the shifting triple gear 8 , and the shifting hydraulic cylinder piston rod 12 is connected to the hydraulic cylinder piston 18 through the rolling bearing 14 , the hydraulic cylinder piston rod block retaining ring 15 and the piston cover 13 . The cylinder 19 is fixed on the gearbox 2, and the piston guide screw 17 is mounted on the shift hydraulic cylinder 19. The hydraulic cylinder piston 18 is provided with an open groove, and the piston guide screw 配合 cooperates with the shift cylinder electromagnetic positioning device 16 to pull and shift. The triple gear 8 performs high, medium and low three-speed shifting. The original shift fork and the idler are omitted, and the middle hole is used for gear positioning, and there is no wear.

工作原理: 当换挡三联齿轮 8上的小齿轮 20 与从动轴齿轮 1 1 上的内齿轮 21 配合, 即第三主动齿轮 6与从动轴齿轮 1 1啮合时, 变速机构处于低速大 扭矩状态; 当换挡三联齿轮 8与第二主动齿轮 5啮合时, 变速机构处于 中速中扭矩状态; 当换挡三联齿轮 8与第一主动齿轮 4啮合时, 变速机 构处于高速小扭矩状态, 从而满足了变速机构的高、 中、 低三档变速需 求。 working principle: When the pinion gear 20 on the shifting triple gear 8 cooperates with the internal gear 21 on the driven shaft gear 1 1 , that is, when the third driving gear 6 meshes with the driven shaft gear 1 1 , the shifting mechanism is in a low speed and high torque state; When the shifting triple gear 8 meshes with the second driving gear 5, the shifting mechanism is in the medium speed intermediate torque state; when the shifting triplex gear 8 meshes with the first driving gear 4, the shifting mechanism is in a high speed and small torque state, thereby satisfying the shifting The high, medium and low speed shift requirements of the organization.

需要说明的是, 本发明的优选实施例, 包括发明人用于实施本发明 的已知最佳模式。 优选实施例的变更对本领域普通技术人员而言在阅读 上述说明后是显而易见的。 发明人希望普通技术人员合理应用这样的变 更, 并且发明人认为与在此明确说明不同的应用也可以实现本发明。 因 此, 本发明包括权利要求中所引用的主旨的所有修改及等效形式, 这在 适用的法律中是允许的。 此外, 上述要素的所有可能的变更的任何组合 也被本发明所包含, 除非在此另外指出或者在上下文中明显矛盾。  It is to be noted that the preferred embodiments of the present invention include the best mode known to the inventors for carrying out the invention. Variations of the preferred embodiment will be apparent to those of ordinary skill in the art after reading the above description. The inventors intend for a person skilled in the art to reasonably apply such a change, and the inventors believe that the invention can be practiced otherwise than as specifically described herein. Therefore, the present invention includes all modifications and equivalents of the subject matter recited in the claims, which are permitted in the applicable law. Furthermore, any combination of all possible variations of the above-described elements is also encompassed by the present invention unless otherwise indicated herein or clearly contradicted in the context.

Claims

权 利 要 求 书 Claim 1. 一种无需换挡拨叉和托轮的变速机构, 包括动力输入装置、 变 速箱以及换档操纵装置, 所述变速箱包括壳体以及位于壳体内部的齿轮 传递装置, 所述壳体左、 右两侧壁上各设置有上、 下两个轴孔, 其特征 在于,所述动力输入装置为固定连接在变速箱壳体右侧的电机, 所述换 档操纵装置固定连接在变速箱壳体右侧且位于电机正上方, 所述换档操 纵装置通过拉动齿轮传递装置上的换挡三联齿轮进行高、 中、 低三档变 速。  A shifting mechanism that does not require a shift fork and a carrier, and includes a power input device, a gearbox, and a shift operating device, the gearbox including a housing and a gear transmission device inside the housing, the housing The left and right side walls are respectively provided with upper and lower shaft holes, wherein the power input device is a motor fixedly connected to the right side of the transmission housing, and the shift operating device is fixedly connected to the shifting gear. The right side of the box housing is located directly above the motor, and the shift operating device performs the high, medium and low three-speed shifting by pulling the shifting triple gear on the gear transmission device. 2. 根据权利要求 1所述的变速机构, 其特征在于, 所述电机输出轴 穿过壳体右侧壁的下轴孔与变速箱内的主动轴的一端相连接, 并通过第 一滚子轴承固定在变速箱壳体右侧壁上, 变速箱内的主动轴上依次布置 有第一主动轴齿轮、 第二主动轴齿轮及第三主动轴齿轮, 变速箱内还布 置有位于主动轴上方的从动轴, 所述从动轴为齿轮轴, 所述从动轴上还 从左到右依次设置有从动轴齿轮以及换挡三联齿轮。  2. The shifting mechanism according to claim 1, wherein the motor output shaft is connected to one end of the drive shaft in the transmission through a lower shaft hole of the right side wall of the housing, and passes through the first roller. The bearing is fixed on the right side wall of the transmission housing, and the first driving shaft gear, the second driving shaft gear and the third driving shaft gear are arranged in sequence on the driving shaft in the transmission, and the transmission is also arranged above the driving shaft. The driven shaft is a gear shaft, and the driven shaft is further provided with a driven shaft gear and a shift triple gear in order from left to right. 3. 根据权利要求 2所述的变速机构, 其特征在于, 所述换档操纵装 置由换挡液压油缸、 换挡油缸电磁定位装置组成, 换挡液压油缸内设置 带有换挡液压油缸活塞拉杆的液压油缸活塞, 换挡液压油缸活塞拉杆的 一端与从动轴固定连接, 另一端通过滚动轴承、 液压油缸活塞拉杆卡块 挡圈及活塞封盖与液压油缸活塞连接。  3. The shifting mechanism according to claim 2, wherein the shift operating device is composed of a shifting hydraulic cylinder and a shifting cylinder electromagnetic positioning device, and a shifting hydraulic cylinder is provided with a shifting hydraulic cylinder piston rod Hydraulic cylinder piston, one end of the shifting hydraulic cylinder piston rod is fixedly connected with the driven shaft, and the other end is connected with the hydraulic cylinder piston through the rolling bearing, the hydraulic cylinder piston rod retaining ring and the piston cover. 4. 根据权利要求 2所述的变速机构, 其特征在于, 所述从动轴中间 部分为纵向开口的花键轴。  The shifting mechanism according to claim 2, wherein the intermediate portion of the driven shaft is a longitudinally open spline shaft. 5. 根据权利要求书 2所述的变速机构, 其特征在于, 所述从动轴齿 轮端部设有内齿轮, 所述内齿轮能够通过换挡三联齿轮一端的小齿轮啮 合后与从动轴配合实现传动。  5. The shifting mechanism according to claim 2, wherein the driven shaft gear end portion is provided with an internal gear, and the internal gear can be meshed with the driven shaft by shifting the pinion gear at one end of the triple gear Cooperate to achieve the transmission. 6. 根据权利要求 2所述的变速机构, 其特征在于, 所述换挡液压油 缸活塞拉杆置于从动轴内部能够实现左右移动以及随动于从动轴的转 动。 6. The shifting mechanism according to claim 2, wherein the shift hydraulic cylinder piston rod is disposed inside the driven shaft to enable left and right movement and follow the rotation of the driven shaft. 7. 根据权利要求 2所述的变速机构, 其特征在于, 所述的第一主动 轴齿轮的齿顶圆直径 dl大于第二主动轴齿轮的齿顶圆直径 d2 ,第二主动 轴齿轮的齿顶圆直径 d2大于第三主动轴齿轮的齿顶圆直径 d 3。 The shifting mechanism according to claim 2, wherein the tip diameter dl of the first drive shaft gear is larger than the addendum diameter d2 of the second drive shaft gear, and the teeth of the second drive shaft gear The top circle diameter d2 is larger than the addendum circle diameter d 3 of the third drive shaft gear. 8. 根据权利要求 2所述的变速机构, 其特征在于, 所述变速箱内的 主动轴的另一端通过深沟球轴承固定在变速箱壳体下轴孔内并通过闷盖 实现密封, 所述变速箱内的从动轴一端通过第二滚子轴承固定在变速箱 壳体左侧壁的上轴孔内并穿过左侧壁一定的长度, 另一端通过第三滚子 轴承固定在变速箱壳体右侧壁的上轴孔内并与换挡液压油缸活塞拉杆实 现连接。  8. The shifting mechanism according to claim 2, wherein the other end of the drive shaft in the transmission is fixed in a lower shaft hole of the transmission case by a deep groove ball bearing and sealed by a stuff cover. One end of the driven shaft in the gearbox is fixed in the upper shaft hole of the left side wall of the transmission case through the second roller bearing and passes through a certain length of the left side wall, and the other end is fixed at the shifting speed by the third roller bearing The upper shaft hole of the right side wall of the tank casing is connected with the shifting hydraulic cylinder piston rod. 9. 根据权利要求 3所述的变速机构, 其特征在于, 换挡液压油缸活 塞拉杆的一端通过三联齿轮连接销轴及三联齿轮连接销止退挡圈与换挡 三联齿轮实现连接, 换挡液压油缸活塞拉杆另一端通过滚动轴承、 液压 油缸活塞拉杆卡块挡圈及活塞封盖与液压油缸活塞连接, 活塞导向螺钉 装在换挡液压油缸上, 液压油缸活塞上设有开口槽, 沿活塞导向螺钉与 换挡油缸电磁定位装置配合拉动换挡三联齿轮进行高、 中、低三档变速。  9. The shifting mechanism according to claim 3, wherein one end of the shifting hydraulic cylinder piston rod is connected to the shifting triple gear through the triple gear connecting pin and the triple gear connecting pin and the shifting triple gear, the shifting hydraulic pressure The other end of the cylinder piston rod is connected with the hydraulic cylinder piston through a rolling bearing, a hydraulic cylinder piston rod block retaining ring and a piston cap. The piston guiding screw is mounted on the shifting hydraulic cylinder, and the hydraulic cylinder piston is provided with an open groove along the piston guiding screw. In conjunction with the shifting cylinder electromagnetic positioning device, the shifting triple gear is pulled to perform the high, medium and low three-speed shifting.
PCT/CN2014/000728 2013-08-12 2014-07-31 Gear change mechanism Ceased WO2015021742A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115635350A (en) * 2022-10-11 2023-01-24 浙江金汤机床有限公司 Three-shaft three-gear spindle box speed change device of disc machining numerical control lathe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388659A (en) * 2013-08-12 2013-11-13 山东义信重机制造有限公司 Speed change mechanism
CN110735890B (en) * 2019-11-13 2025-02-28 珠海格力智能装备有限公司 Gearbox and gantry machining center

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201038914Y (en) * 2007-01-16 2008-03-19 鲍文光 Electric vehicle separated shift-variable deceleration motor
CN101162039A (en) * 2007-11-20 2008-04-16 浙江杭钻机械制造股份有限公司 Gearbox for drilling rig
CN201187555Y (en) * 2008-05-09 2009-01-28 马光玉 Main shaft hydraulic speed changer
EP2133194A2 (en) * 2008-06-13 2009-12-16 Aida Engineering Ltd. Power transmission apparatus for press machine
JP2010014225A (en) * 2008-07-04 2010-01-21 Kitamura Mach Co Ltd Gear head and gear change method
CN102359580A (en) * 2011-09-15 2012-02-22 无锡桥联数控机床有限公司 Gear shifting mechanism of main transmission case
CN103388659A (en) * 2013-08-12 2013-11-13 山东义信重机制造有限公司 Speed change mechanism
CN203404319U (en) * 2013-08-12 2014-01-22 山东义信重机制造有限公司 Speed change mechanism

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2068031U (en) * 1990-01-13 1990-12-26 成都科技大学 Superfinishing device with cooperating machine tool
JP3560788B2 (en) * 1997-10-22 2004-09-02 株式会社マキタ Power tool transmission

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201038914Y (en) * 2007-01-16 2008-03-19 鲍文光 Electric vehicle separated shift-variable deceleration motor
CN101162039A (en) * 2007-11-20 2008-04-16 浙江杭钻机械制造股份有限公司 Gearbox for drilling rig
CN201187555Y (en) * 2008-05-09 2009-01-28 马光玉 Main shaft hydraulic speed changer
EP2133194A2 (en) * 2008-06-13 2009-12-16 Aida Engineering Ltd. Power transmission apparatus for press machine
JP2010014225A (en) * 2008-07-04 2010-01-21 Kitamura Mach Co Ltd Gear head and gear change method
CN102359580A (en) * 2011-09-15 2012-02-22 无锡桥联数控机床有限公司 Gear shifting mechanism of main transmission case
CN103388659A (en) * 2013-08-12 2013-11-13 山东义信重机制造有限公司 Speed change mechanism
CN203404319U (en) * 2013-08-12 2014-01-22 山东义信重机制造有限公司 Speed change mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115635350A (en) * 2022-10-11 2023-01-24 浙江金汤机床有限公司 Three-shaft three-gear spindle box speed change device of disc machining numerical control lathe

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