CN101204798B - Automotive leaf spring bolt specific disassembler - Google Patents

Automotive leaf spring bolt specific disassembler Download PDF

Info

Publication number
CN101204798B
CN101204798B CN 200610136896 CN200610136896A CN101204798B CN 101204798 B CN101204798 B CN 101204798B CN 200610136896 CN200610136896 CN 200610136896 CN 200610136896 A CN200610136896 A CN 200610136896A CN 101204798 B CN101204798 B CN 101204798B
Authority
CN
Grant status
Grant
Patent type
Prior art keywords
gear
shaft
large
reduction mechanism
mounted
Prior art date
Application number
CN 200610136896
Other languages
Chinese (zh)
Other versions
CN101204798A (en )
Inventor
李卫
邓勇
Original Assignee
衡阳市锦泰工具有限公司
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.)
Filing date
Publication date
Grant date

Links

Abstract

一种汽车板簧螺栓快速拆装器,它由机壳构件、动力输入机构、三级减速机构和动力输出机构组成;机壳构件包括小箱体11、大箱体12、活动挡肩13和把手14,活动挡肩13上有插销15;动力输入机构包括摇手柄21和输入轴22,输入轴22一端为1T齿轮221;三级减速机构的第一级减速机构和第三级减速机构采用三个行星齿轮均匀布置的行星轮系结构,第二级减速机构采用定轴轮系结构,它包括行星齿轮31、32、芯轴33、34、2X架轴35、小锥齿轮36、大锥齿轮37、主轴38和3X架轴39;动力输出机构包括输出轴41和套筒42。 An automotive leaf spring bolt quick disassembler, which consists of housing member, the power input mechanism, three power output mechanism and the speed reduction mechanism; housing member 11 includes a small box, large box 12, a movable stopper 13 and shoulder handle 14, shoulder 13 has a movable stopper pin 15; pan handle comprising a power input means 21 and the input shaft 22, one end of the input shaft 22 1T gear 221; a first three-stage reduction mechanism and the speed reduction mechanism using the third stage reduction mechanism three planet gears arranged uniformly planetary gear train structure, a second-stage reduction gear train mechanism using fixed shaft structure, which includes a planetary gear 31, 33,34,2X spindle carrier shaft 35, bevel gear 36, a large cone gear 37, shaft 38 and rack shaft 39 3X; power output means includes an output shaft 41 and the sleeve 42. 本发明具有输入输出力矩比大、结构紧凑、重量轻、可靠性高、操作简便省力等优点,便于汽车维修企业和随车携带使用。 The present invention has an input torque output ratio, compact, light weight, high reliability, easy operation and effort, etc., to facilitate the use of onboard automobile repair business and.

Description

汽车板簧螺栓专用拆装器 Automotive leaf spring bolt specific disassembler

技术领域 FIELD

[0001] 本发明涉及一种维修手动工具,特别是一种汽车板簧螺栓专用拆装器,其既方便各汽车维修厂使用,又便于随车携带供汽车车主装拆U型螺栓之用。 [0001] The present invention relates to a hand tool maintenance, in particular a private car disassembler leaf spring bolt, which is convenient for each car repair workshop use, easy assembly and disassembly onboard vehicle owners for the U-bolt purposes.

背景技术 Background technique

[0002] 目前,市场上公知的汽车板簧螺栓拆装工具有二类:第一类是板手,通过板手对U 形螺栓的螺母施加扭力来拆装U形螺栓,该类工具费力、费时、工效极低;第二类是电动U形螺栓拆装器,通过电动机输入动力,再经过减速增力对U形螺栓的螺母施加扭力来拆装U形螺栓,这类工具的耗能高、体积大、重量太重、成本高、维修保养复杂、可靠性低,而且还受到操作空间的限制。 [0002] Currently, the market known automotive leaf spring bolt disassembly tool has two types: the first type is a wrench, the torque applied to the U-bolt nut wrench for disassembly by U-bolts, tools such effort, time-consuming, low efficiency; second electric disassembler U-bolt, by the motor power input, and then after the deceleration force applied by the torsion of the U-bolt nuts to disassembly U-bolt, high energy such tools , bulky, heavy weight, high cost, complicated maintenance, low reliability, but also by the operation space.

发明内容 SUMMARY

[0003] 本发明的目的是提供一种节能降耗、输入输出力矩比大、重量轻、结构紧凑、操作简单的汽车板簧螺栓专用拆装器。 [0003] The object of the present invention is to provide an energy saving, input and output torque is larger than a light weight, compact, simple operation automotive disk dedicated bolt disassembler.

[0004] 本发明的技术方案是:汽车板簧螺栓专用拆装器由机壳构件、动力输入机构、三级减速机构和动力输出机构组成;机壳构件包括小箱体、大箱体、活动挡肩和把手,小箱体和大箱体的内壁上有齿,小箱体安装在大箱体的侧边,把手和活动挡肩安装在大箱体上;动力输入机构包括摇手柄和输入轴,输入轴安装在小箱体内,其一端与摇手柄连接,另一端为IT 齿轮;三级减速机构的第一级减速机构和第三级减速机构采用三个行星齿轮均勻布置的行星轮系结构,第二级减速机构采用定轴轮系结构;动力输出机构包括输出轴和套筒,套筒套装在输出轴上端。 [0004] aspect of the present invention are: automotive leaf spring bolt housing consists of a dedicated member detachably, power input means, and three speed reduction mechanism composed of a power output means; housing member comprising a small box, large box, activity retaining shoulder and a handle, there is a small box on the inner wall of the casing and the large tooth, the large side of the small box mounted on the housing, and a handle mounted on a collar activities large box; shaking handle mechanism comprises a power input and an input shaft, an input shaft mounted in a small housing, a handle connected to one end of the rocker, the other end of the gear iT; a first stage reduction mechanism three stage reduction mechanism, and a third planetary gear train reduction mechanism three planet gears arranged uniformly structure, the second stage uses a fixed axis gear reduction mechanism architecture; power output means includes an output shaft end of the output shaft and a sleeve suit.

[0005] 本发明进一步的技术方案是:三级减速机构包括行星齿轮、芯轴、2X架轴、小锥齿轮、大锥齿轮、主轴和3X架轴,行星齿轮通过芯轴安装在2X架轴上,2X架轴安装在小箱体内,行星齿轮上的齿与IT齿轮上的齿以及小箱体内壁上的齿啮和,小锥齿轮安装在2X架轴上,其轴线与大锥齿轮的轴线垂直,其上的锥齿与大锥齿轮上的锥齿啮和,大锥齿轮通过主轴安装在大箱体内,主轴的前端为2T齿轮,行星齿轮通过芯轴安装在3X架轴上,其上的齿与2T齿轮上的齿以及大箱体内壁上的齿啮和。 A further aspect of [0005] the present invention is: three planetary gear speed reduction mechanism comprises a mandrel, 2X carrier shaft, bevel gears, large bevel gear, the spindle and the 3X carrier shaft, planet gears mounted on the mandrel by a carriage shaft 2X iT teeth on the gear teeth of the small cabinets and walls and engagement teeth, a bevel gear, is mounted on the carrier shaft 2X small cabinets, mounted on the planetary gear carrier shaft 2X, its axis with the large bevel gear perpendicular to the axis, and which engages bevel gear, bevel gear on the large bevel gear and a large bevel gear on the front end by a spindle mounted in large cabinets, 2T of the main shaft gear, a planetary gear mounted on the mandrel by 3X rack shaft, which wall cabinets and a large gear meshing teeth and the teeth on the gear 2T.

[0006] 本发明再进一步的技术方案是:输出轴与3X架轴采用一体结构。 [0006] The present invention still further technical solution is: 3X carrier shaft and the output shaft with integrated structure.

[0007] 本发明更进一步的技术方案是:行星齿轮选取模数为m = 2的直齿轮,小锥齿轮和大锥齿轮选取模数为m = 3. 25的锥齿轮。 A further aspect of the invention [0007] This is: a planetary gear module selected as m = 2 spur gear, bevel gear and a large bevel gear selection module as m = 3.25 in the bevel gear.

[0008] 本发明由于采用了如上设计,与现有技术相比,具有节能降耗、输入输出力矩比大、结构紧凑、重量轻、可靠性高、使用寿命长、操作简便、省力、专用、维修方便等优点,便于汽车维修企业和随车携带使用。 [0008] As a result of the present invention designed as described above, compared to the prior art, with energy saving, the input-output torque ratio, compact, lightweight, high reliability, long life, simple, labor-saving, dedicated, and easy maintenance, easy to use onboard and car repair business.

[0009] 以下结合附图和具体实施方式对本发明的详细结构作进一步描述。 [0009] The following embodiments in conjunction with the accompanying drawings and detailed description of the detailed structure of the present invention will be further described. 附图说明[0010] 附图1为本发明的结构示意图; BRIEF DESCRIPTION structural diagram [0010] Figure 1 of the present invention;

[0011] 附图2为附图1的AA剖视图; 1 is a sectional view AA [0011] Figure 2 is a drawings;

[0012] 附图3为附图1的BB剖视图; [0012] FIG 3 BB sectional view of the accompanying drawings;

[0013] 附图4为附图1的CC剖视图。 [0013] Figure 4 is a sectional view CC of Figure 1.

具体实施方式 Detailed ways

[0014] 如附图所示:汽车板簧螺栓专用拆装器由机壳构件、动力输入机构、三级减速机构和动力输出机构组成;机壳构件既是外壳又是减速机构的箱体,它包括小箱体11、大箱体12、活动挡肩13和把手14,小箱体11和大箱体12的内壁上有齿,小箱体11安装在大箱体12的侧边,其轴线与大箱体12的轴线垂直,活动挡肩13上有插销15,为方便拆装和转换角度,活动挡肩13和与大箱体12通过花键联接,把手14安装在大箱体12上;动力输入机构包括摇手柄21和输入轴22,输入轴22安装在小箱体11内,其一端与摇手柄21连接,另一端为IT齿轮221,该机构中构件的同轴度较高,故能很流畅并高效率的将动力输入;三级减速机构包括行星齿轮31、32、芯轴33、34、2X架轴35、小锥齿轮36、大锥齿轮37、主轴38和3X架轴39,行星齿轮31通过芯轴33安装在2X架轴35上,2X架轴35安装在小箱体11内, [0014] As shown in the drawings: automobile spring bolt housing consists of a dedicated member detachably, power input means, and three speed reduction mechanism composed of a power output means; and a housing member housing both reduction mechanism casing, which 11 comprises a small box, large box 12, the movable handle 14 and collar 13, with teeth 11 on the inner wall of the small box 12 and the big box, a small box 11 mounted on the large side of the casing 12, its axis perpendicular to the axis 12 of the big box, the shoulder 13 has a movable stopper pin 15, to facilitate disassembly and conversion angle, the movable collar 13 and the casing 12 through the large spline connection, a handle 14 is mounted on a large box 12 ; power input mechanism comprises a rocker handle 21 and the input shaft 22, the input shaft 22 is mounted in a small housing 11, the rocker having one end connected to the handle 21, the other end iT gear 221, a high coaxiality of the mechanism member, it can be very smooth and efficient inputs power; three planetary gear reduction mechanism 31 includes a mandrel carrier shaft 33,34,2X 35, bevel gear 36, large bevel gear 37, shaft 38 and rack shaft 3X 39, the mandrel 33 through the planetary gear 31 is mounted on the carrier shaft 35 2X, 2X carrier shaft 35 is mounted in a small housing 11, 行星齿轮31上的齿与IT齿轮221上的齿以及小箱体11内壁上的齿啮和,小锥齿轮36安装在2X架轴35上,其上的锥齿位于大箱体12内,并与大锥齿轮37上的锥齿啮和,大锥齿轮37通过主轴38安装在大箱体12内,主轴38的前端为2T齿轮381,行星齿轮32通过芯轴;34安装在3X架轴39上,其上的齿与2T齿轮381上的齿以及大箱体12内壁上的齿啮和; 动力输出机构包括输出轴41和套筒42,输出轴41与3X架轴39采用一体结构,套筒42套装在输出轴41上端的四方头上。 Engagement teeth and the teeth 11 on the inner wall of the small box on the gear teeth of the IT 221 and the planetary gear 31, bevel gear 36 mounted on the frame 2X shaft 35, bevel gear 12 which is located within the large box, and bevel gear meshing with the bevel gear 37 and the large, large bevel gear 37 by a spindle 38 mounted in a large cabinet 12, the front end of the spindle 38 is 2T gear 381, the planetary gear 32 through the spindle; 3X bracket 34 mounted on shaft 39 the teeth 381 on which the gear teeth and the teeth meshing with 2T and the inner wall of the large casing 12; power output means includes an output shaft 41 and the sleeve 42, the output shaft 41 and the carrier shaft 39 with integrated 3X configuration, sleeve cylinder 42 fitted over the output shaft 41 the upper end of the square head.

[0015] 为了能利用最小的材料,达到最大的输出扭矩,行星齿轮31、32选取模数为m = 2 的直齿轮,小锥齿轮36和大锥齿轮37选取模数为m = 3. 25的锥齿轮。 [0015] In order to minimize the use of material, the maximum output torque of the planetary gear selection module 31 as m = 2 spur gear, bevel gear 36 and the large bevel gear 37 to select a modulus m = 3. 25 bevel gear.

[0016] 为降低行星齿轮31、32和芯轴33、34的载荷,采取了布置三个行星齿轮31、32均勻布置的结构,使其单个行星齿轮31、32和芯轴33、34的载荷大大下降。 [0016] In order to reduce the planetary gear 31 and the mandrel 33 loads, 31 and 32 arranged uniformly adopted a structure disposed three planetary gears, planetary gears 31, 32 so that a single load and the mandrel 33 declined significantly.

[0017] 本发明的工作原理和使用方法是:在输出轴41上端的四方头套上1寸内四方孔的套筒42,并将套筒42套在U形螺栓5的螺母6上,将活动挡肩13紧靠在悬挂压板7或其他构件上(活动挡肩13提供作用力支撑点,其上的插销15能方便地增加活动挡肩13的高度),然后手持本发明的把手14,根据拆装需要的方向均勻转动摇手柄21,将人工作用力(仅需30-50NM)经由输入轴22上的IT齿轮221、行星齿轮31、芯轴33、2X架轴35、小箱体11组成的第一级行星轮系减速增力后,由小锥齿轮36将扭矩输送到大锥齿轮37继续第二级减速增力,再通过主轴38将扭矩传递至由主轴38前端的2T齿轮381、行星齿轮32、芯轴34、3X架轴39和大箱体12组成的第三级行星轮系减速增力,最后由输出轴41上端的四方头带动套筒42旋转,将输出的扭力(可达1000-1200NM)施加于U型螺栓5上的螺母6上, 达到拆松或拧紧U型 [0017] The principle and method of the present invention are: four caps 41 in the upper end of the output shaft 42 within the sleeve 1 inch square hole, sleeve 42 and a nut sleeve 5 of the U-bolt 6, the active collar 13 abuts against the pressure plate 7 on the suspension or other member (movable stopper shoulder 13 provides a force support points, on which the latch 15 can easily increase the height of the collar 13 activity), and then holding the handle 14 of the present invention, in accordance with desired uniform removal direction gyratory handle 21, the people working force (only 30-50nm) IT composition via a gear 221, the planetary gear 31, 33,2X spindle carrier shaft 35, a small box 11 on the input shaft 22 a first planetary gear train decelerates stage booster, the bevel gear 36 of the torque delivered to the large bevel gear 37 to continue to the second stage reduction by force, and then the spindle 38 transfers the torque to the gear shaft 38 by the distal end of 2T 381, the planetary gear 32, the carrier shaft 39 and spindle 34,3X third stage planetary reduction gear train housing 12 by force consisting of the last sleeve 42 is rotated by a square drive head 41 of the upper end of the output shaft, the output torque (available up to 1000-1200 nm) is applied to the nut 5 on the U-bolts 6, to loosening or tightening the U-shaped 螺栓5的目的。 Object of the bolt 5.

[0018] 本发明三级减速机构的第一级减速机构和第三级减速机构是行星轮系,第二级减速机构是定轴轮系,即第二级减速机构采用了锥齿轮传动,既改变了传动方向,又进行了变速,并使整个结构的高度大大降低,操作也方便可行,很好地解决了载荷与结构的矛盾以及操作空间与维修空间的矛盾,使各级行星轮系中的行星齿轮齿面载荷、芯轴以及锥齿轮的 [0018] This first stage reduction mechanism, and a third three-stage speed reduction mechanism of the reduction mechanism is a planetary gear train to the invention, the second-stage reduction gear train mechanism is a fixed axis, i.e., the second-stage reduction mechanism using a bevel gear, both changing the drive direction, and the shift carried out, and greatly reduce the height of the entire structure, easy operation is also possible, and solves the contradiction between the operation space and the maintenance space conflicts load and the structure of the levels of the planetary gear train planetary gear surface load, spindle and bevel gears

4载荷大大下降,强度大大提高,安全系数趋于一致,大大提高了本发明的可靠性和使用寿命;且三级变速的减速机构得到很大的减速比(i = 42),使输入的动力得到很大的放大,输入30〜50匪的扭矩可得到1000〜1200匪的输出扭矩,具有重量轻、结构紧凑、变速比大等特点。 4 load greatly decreased, greatly improving the strength safety factor convergence, greatly improving the reliability and service life of the present invention; and three gear reduction mechanism to obtain great speed reduction ratio (i = 42), the input power greatly enlarged, 30 ~ 50 bandit input torque can be obtained an output torque 1000~1200 bandit with a light weight, compact, and other characteristics of the gear ratio.

Claims (4)

  1. 1. 一种汽车板簧螺栓专用拆装器,其特征是由机壳构件、动力输入机构、三级减速机构和动力输出机构组成;机壳构件包括小箱体、大箱体、活动挡肩和把手,小箱体和大箱体的内壁上有齿,小箱体安装在大箱体的侧边,把手和活动挡肩安装在大箱体上;动力输入机构包括摇手柄和输入轴,输入轴安装在小箱体内,其一端与摇手柄连接,另一端为IT齿轮;三级减速机构的第一级减速机构和第三级减速机构采用三个行星齿轮均勻布置的行星轮系结构,第二级减速机构采用定轴轮系结构;动力输出机构包括输出轴和套筒,套筒套装在输出轴上端。 1. An automotive leaf spring bolt dedicated disassembly, characterized by the housing member, the power input means, and three speed reduction mechanism composed of a power output means; housing member comprising a small box, large box, movable stopper shoulder and the inner wall of the handle, and a small box with a large gear box, a small box mounted on the side of a large box, and a handle mounted on a collar activities large box; pan handle comprising a power input means and an input shaft, the input shaft is mounted in a small housing, a handle connected to one end of the rocker, the other end of the gear iT; a first stage reduction mechanism reduction mechanism three stage speed reduction mechanism, and a third planetary gear train structure with three planet gears arranged uniformly, the second stage uses a fixed axis gear reduction mechanism architecture; power output means includes an output shaft end of the output shaft and a sleeve suit.
  2. 2.根据权利要求1所述的汽车板簧螺栓专用拆装器,其特征是三级减速机构包括2X行星齿轮(31)、3X行星齿轮(32)、芯轴、2X架轴、小锥齿轮、大锥齿轮、主轴和3X架轴,2X行星齿轮(31)通过芯轴(3¾安装在2X架轴(3¾上,2X架轴安装在小箱体内,行星齿轮上的齿与IT齿轮上的齿以及小箱体内壁上的齿啮和,小锥齿轮安装在2X架轴上,其上的锥齿与大锥齿轮上的锥齿啮和,大锥齿轮通过主轴安装在大箱体内,主轴的前端为2T齿轮,3X行星齿轮(3¾通过芯轴(34)安装在3X架轴(39)上,其上的齿与2T齿轮上的齿以及大箱体内壁上的齿啮和。 Automotive leaf springs according to claim special bolts detachably claim 1, characterized in that the three planetary gear speed reduction mechanism comprises a 2X (31), 3X planetary gear (32), the mandrel, 2X carrier shaft, bevel gears , large bevel gear, the spindle carrier shaft, and 3X, 2X planetary gear (31) through the mandrel (3¾ 2X mounted on the carrier shaft (on 3¾, 2X carrier shaft is mounted in a small housing, IT gear teeth on the planet gear teeth and tooth engagement and a small wall cabinets, mounted on the bevel pinion shaft 2X frame, the bevel gear meshing with the bevel gear on the large bevel gear and the large bevel gears mounted on the spindle by a large housing, the spindle 2T front end of the gear, the planetary gear 3X (3¾ by the mandrel (34) mounted on the 3X carrier shaft (39), on which the teeth on the gear teeth 2T and a large wall cabinets and tooth engagement.
  3. 3.根据权利要求2所述的汽车板簧螺栓专用拆装器,其特征是输出轴与3X架轴采用一体结构。 Automotive leaf springs according to claim special detachable bolt of claim 2, wherein the output shaft and the carrier shaft 3X with integrated structure.
  4. 4.根据权利要求1或2或3所述的汽车板簧螺栓专用拆装器,其特征是行星齿轮选取模数为m = 2的直齿轮,小锥齿轮和大锥齿轮选取模数为m = 3. 25的锥齿轮。 The leaf spring bolt private car disassembly 1 or claim 2 or claim 3, wherein the planetary gear selection module select modulus as m = 2 spur gear, bevel gear and a large bevel gear to m = 3.25 of the bevel gear.
CN 200610136896 2006-12-19 2006-12-19 Automotive leaf spring bolt specific disassembler CN101204798B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610136896 CN101204798B (en) 2006-12-19 2006-12-19 Automotive leaf spring bolt specific disassembler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610136896 CN101204798B (en) 2006-12-19 2006-12-19 Automotive leaf spring bolt specific disassembler

Publications (2)

Publication Number Publication Date
CN101204798A true CN101204798A (en) 2008-06-25
CN101204798B true CN101204798B (en) 2012-02-15

Family

ID=39565387

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610136896 CN101204798B (en) 2006-12-19 2006-12-19 Automotive leaf spring bolt specific disassembler

Country Status (1)

Country Link
CN (1) CN101204798B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678834B (en) * 2012-05-25 2016-03-02 衡阳市锦泰工具有限公司 An electric automobile spring bolt specific disassembler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469801A (en) 1974-03-13 1977-04-06 Mitsubishi Electric Corp Tool for screwing-up fastening members such as nuts and bolts
US5404775A (en) 1994-03-11 1995-04-11 Sanyo Machine Right angle fastening device
CN200995383Y (en) 2006-12-19 2007-12-26 衡阳市锦泰工具有限公司 Special device for assembling and disassembling laminated spring bolt of automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469801A (en) 1974-03-13 1977-04-06 Mitsubishi Electric Corp Tool for screwing-up fastening members such as nuts and bolts
US5404775A (en) 1994-03-11 1995-04-11 Sanyo Machine Right angle fastening device
CN200995383Y (en) 2006-12-19 2007-12-26 衡阳市锦泰工具有限公司 Special device for assembling and disassembling laminated spring bolt of automobile

Also Published As

Publication number Publication date Type
CN101204798A (en) 2008-06-25 application

Similar Documents

Publication Publication Date Title
US5620387A (en) Drive unit for a motor vehicle
US6537167B1 (en) Electrical individual wheel drive with several motors
US7112155B2 (en) Directly driven driving axle having two drive motors
US20020040613A1 (en) Gear ratio multiplier
US20020117027A1 (en) Multi-lug socket tool
CN202507917U (en) Power assembly of electric automobile
US20020029647A1 (en) Gear ratio multiplier
CN201125371Y (en) Three wheels multifunctional dynamoelectric cleaning car
CN1603060A (en) Screwing machine based on servo system
CN2254378Y (en) Slow-speed rotating unit for ball mill
CN202271824U (en) Novel hybrid device for automobile
CN2310691Y (en) Four-end motor-driven wheel removing tool
CN201027927Y (en) Transmission driving mechanism for electro-tricycle
CN201042971Y (en) Four-wheel steering mechanism of motor vehicle
CN201245071Y (en) Special hub reduction gear
CN103587396A (en) Power-driven automobile double-motor coupling drive system
CN203864412U (en) Dual-motor single-planet-row pure motor automobile driving device
CN2710841Y (en) Machine for quickly assembling-disassembling screw-hut of vehicle-wheels
CN202418543U (en) Parking mechanism and automobile speed changing box provided therewith
CN201049584Y (en) Tandem hybrid power electric automobile emergency assistant starting device
CN201694244U (en) Chassis structure of pure electric vehicle
CN200974459Y (en) Electric vehicle double-motor framework type combined driving device
CN2507693Y (en) Hub reduction gear
CN202301784U (en) Planetary gear variable speed transmission device for electric automobile
CN2906207Y (en) Two-stage double-floating planetary gear transmission mechanism

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C14 Grant of patent or utility model
EXPY Termination of patent right or utility model