WO2010121441A1

WO2010121441A1 - A portable hydraulic puller

Info

Publication number: WO2010121441A1
Application number: PCT/CN2009/071585
Authority: WO
Inventors: 陈宥珍
Original assignee: Chen Yu-Chen
Priority date: 2009-04-20
Filing date: 2009-04-30
Publication date: 2010-10-28
Also published as: CN101863007A

Abstract

A portable hydraulic puller includes a number of jaw(30), the connection ends of the jaws connect to a jaw seat(10), a spring(40) is assembled on the jaw seat(10), a elasticity force on the connection ends of the jaws to control said jaws to expand outward isochronous, a control member (50) is assembled on the jaw seat(10), and forces a push force to the connection ends of paws(30) by compression the spring(40), to control said jaws to contract inward isochronous. The invention increases convenience of operation, and taking out and operation is save labour.

Description

可携式油压拔轮器技术领域 Portable hydraulic puller

本发明涉及机械加工设备，尤其是关于可拆卸轴承、齿轮、皮带轮等轮状物体的可携式油压拔轮器。背景技术 BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a machine tool, and more particularly to a portable hydraulic wheel puller for a wheeled object such as a detachable bearing, a gear, a pulley, or the like. Background technique

习知的油压拔轮器，以美国专利第 5233740号为例，主要包括一拉爪座，该拉爪座的中央组装一油压动力装置，边缘部位以旋转枢轴以及连杆活动连接三支拉爪，所述拉爪的自由端具有一勾部。该油压动力装置的首端连接一操作杆，末端连接一推进杆。以该拉爪的勾部勾住诸如轴承、齿轮、皮带轮之类的轮状物体的盘圆部位，反复的摇动该操作杆，以该推进杆施以一重负荷顶压住该轮状物体的中心固定物，从而使所述拉爪产生拉拔力量，进而卸除该轮状物体。 The conventional hydraulic pressure puller, taking U.S. Patent No. 5,233,740 as an example, mainly includes a claw seat, the center of which is assembled with a hydraulic power device, and the edge portion is connected by a rotating pivot and a connecting rod. a pulling claw, the free end of the pulling claw has a hook portion. The hydraulic power unit has a front end connected to a lever and an end connected to a push rod. The hook portion of the claw is hooked to a circular portion of a wheel-like object such as a bearing, a gear, a pulley, and the operating lever is repeatedly rocked, and the pushing rod is applied with a heavy load to press against the center of the wheel-shaped object. Fixing the body, thereby causing the pulling claw to generate drawing force, thereby removing the wheel-like object.

上述油压拔轮器的缺点之一，系以旋转枢轴以及连杆活动连接拉爪的设计，限制了拉爪的张开角度。缺点之二，是所述拉爪的张合动作需要使用者用手一一的将其拨动，非常不便。缺点之三，是该油压拔轮器并没有提供提取的结构，以致于取拿和操作都变得费力。发明内容 One of the disadvantages of the above-mentioned hydraulic puller is that the design of the rotary pivot and the connecting rod of the connecting rod of the connecting rod limits the opening angle of the pulling claw. The second disadvantage is that the pulling action of the pulling claws requires the user to move them one by one, which is very inconvenient. The third disadvantage is that the hydraulic puller does not provide an extracted structure, so that it takes a lot of effort to take and operate. Summary of the invention

本发明的主要目的在于，提供一种油压拔轮器，特点之一，是以控制一个附属于该油压拔轮器上的操作物件而使数个拉爪得以张合同动，增进操作方便性。特点之二，于该油压拔轮器上提供一握柄以便于省力取拿和操作。 The main object of the present invention is to provide a hydraulic puller, one of the features of which is to control an operating object attached to the hydraulic puller so that several claws can be contracted to facilitate operation. Sex. The second feature is that a grip is provided on the hydraulic puller to save labor and access.

一种可携式油压拔轮器，主要包括：一拉爪座；数个以旋转轴连接于该拉爪座周边的拉爪；一组装于该拉爪座而施加弹性推力于所述拉爪结合端的弹簧；一组装于该拉爪座而施加一相反于该弹性推力的推抵力于该拉爪结合端的控制物件。 A portable hydraulic pressure puller, comprising: a claw base; a plurality of claws connected to the periphery of the claw base by a rotating shaft; an assembly of the claw base to apply an elastic thrust to the pull a spring coupled to the claw end; a brake member is assembled to apply a control object opposite to the elastic thrust pushing force at the joint end of the claw.

为便于说明本发明于上述发明内容一栏中所表示的中心思想，兹以具体实施例表达。实施例中各种不同物件系按适于说明的比例、尺寸、变形量或位移量而描绘，而非按实际元件的比例予以绘制，合先叙明。且以下的说明中，类似的元件是以相同的编号来表示。附图说明 For the convenience of the description, the central idea expressed by the present invention in the column of the above summary of the invention is expressed by way of specific examples. The various items in the embodiments are depicted in terms of proportions, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to the scale of the actual elements. In the following description, like elements are denoted by the same reference numerals. DRAWINGS

图 1为本发明油压拔轮器第一实施例的立体分解图。 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective exploded view of a first embodiment of a hydraulic pump puller of the present invention.

图 2为本发明油压拔轮器第一实施例的组合外观图。图 3为本发明的拉爪座、中心轴套、油压动力装置的外螺纹段、拉爪的结合端、弹簧以及控制物件的组合剖面图。 Figure 2 is a combined external view of the first embodiment of the hydraulic puller of the present invention. 3 is a sectional view showing the combination of the claw base, the center bushing, the external thread section of the hydraulic power unit, the joint end of the claw, the spring, and the control object of the present invention.

图 4为本发明油压拔轮器第一实施例纵剖面图，表现拉爪张开至极限的状态。图 5为本发明油压拔轮器第一实施例纵剖面图，表现以拉爪收合至极限的状态。 Fig. 4 is a longitudinal sectional view showing a first embodiment of the hydraulic pressure puller of the present invention, showing a state in which the claw is opened to the limit. Fig. 5 is a longitudinal sectional view showing the first embodiment of the hydraulic pressure puller of the present invention, showing the state in which the claw is folded to the limit.

图 6为本发明油压拔轮器第二实施例纵剖面图，表现拉爪张开至极限的状态。图 7为本发明油压拔轮器第二实施例纵剖面图，表现以拉爪收合至极限的状态。具体实施方式 Fig. 6 is a longitudinal sectional view showing a second embodiment of the hydraulic pressure puller of the present invention, showing a state in which the claw is opened to the limit. Fig. 7 is a longitudinal sectional view showing a second embodiment of the hydraulic pressure puller of the present invention, showing the state in which the claw is folded to the limit. detailed description

如图 1、图 2和图 3。本发明可携式油压拔轮器，主要包括：一拉爪座 10、一结合于该拉爪座 10中心的油压动力装置 20、数个以旋转轴 31连接于该拉爪座 10周边的拉爪 30、一组装于该拉爪座 10而施加弹性推力于所述拉爪 30的结合端 32的弹簧 40、一组装于该拉爪座 10而施加一相反于该弹性推力的推抵力于该拉爪 30的结合端 32的控制物件 50、以及一连接于该拉爪座 10的握柄 60。 See Figure 1, Figure 2 and Figure 3. The portable hydraulic pressure puller of the present invention mainly comprises: a claw base 10, a hydraulic power device 20 coupled to the center of the claw base 10, and a plurality of rotating shafts 31 connected to the periphery of the claw base 10. a pulling claw 30, a spring 40 assembled to the claw base 10 and applying an elastic thrust to the coupling end 32 of the pulling claw 30, and being assembled to the claw base 10 to apply a pushing force opposite to the elastic thrust A control member 50 for the combined end 32 of the pull tab 30, and a handle 60 coupled to the puller holder 10.

关于上述拉爪座 10，包括一环状主体 11和一沿着该环状主体 11轴心而组套于其内部的中心轴套 12。该中心轴套 12为一具有预定轴长的中空环状结构，其外环面设有一水平外扩的限位部 126、一第一外螺纹段 121、一光滑外表面的枢套段 122、一第二外螺纹段 123、以及一扣槽 127;其内环面另设有一螺纹段 124。该枢套段 122 和该第一外螺纹段 121之间具有一环状的挡止部 125。该第一外螺纹段 121结合于该环状主体 11的内螺纹环面 111，该限位部 126触抵该拉爪座 10，从而限位该中心轴套 12的位置，该枢套段 122和该第二螺纹段 123则延伸凸出该环状主体 11。该环状主体 11的外环面设有数个拉爪连接部 13以及一握柄连接部 14。 The above-mentioned claw holder 10 includes an annular body 11 and a center bushing 12 which is sleeved inside the axis of the ring body 11. The central sleeve 12 is a hollow annular structure having a predetermined axial length, and the outer annular surface is provided with a horizontally outwardly extending limiting portion 126, a first externally threaded portion 121, and a smooth outer surface pivoting portion 122. A second externally threaded section 123 and a buckled groove 127; the inner annular surface is further provided with a threaded section 124. An annular stop portion 125 is defined between the pivot portion 122 and the first outer thread segment 121. The first externally threaded section 121 is coupled to the internal threaded annular surface 111 of the annular body 11 , and the limiting portion 126 abuts the claw base 10 to limit the position of the central sleeve 12 . The pivoted section 122 And the second thread segment 123 extends to protrude the annular body 11. The outer ring surface of the annular body 11 is provided with a plurality of claw connecting portions 13 and a grip connecting portion 14.

关于上述油压动力装置 20，其缸体的外部设有外螺纹段 23，据以和上述中心轴套 12内环面的螺纹段 124配合而组装于该中心轴套 12中。一连接于该油压动力装置 20首端的操作杆 21控制该油压动力装置 20内部的油路，从而使一连接于该油压动力装置 20轴心的推顶杆 22于该油压动力装置 20的外部伸缩移动。在本发明实施例中，该推顶杆 22包括一延长件 221和一推顶件 222。该推顶件 222可直接组装于该油压动力装置 20的轴心，或者将该推顶件 22和该延长件 221的一端连接，再以该延长件 221的另一端组装于该油压动力装置 20的轴心。该延长件 221视实际操作需要而选择性的使用，可增加该推顶杆 22的长度。 With respect to the above-described hydraulic power unit 20, the outer portion of the cylinder is provided with an externally threaded portion 23 which is assembled in the central sleeve 12 in cooperation with the threaded portion 124 of the inner annular surface of the center sleeve 12. An operating lever 21 connected to the head end of the hydraulic power unit 20 controls an oil passage inside the hydraulic power unit 20, so that an ejector lever 22 connected to the shaft center of the hydraulic power unit 20 is disposed on the hydraulic power unit. 20 external telescopic movement. In the embodiment of the present invention, the ejector lever 22 includes an extension member 221 and a ejector member 222. The ejector member 222 can be directly assembled to the axial center of the hydraulic power unit 20, or the ejector member 22 and one end of the extension member 221 can be connected, and the other end of the extension member 221 can be assembled to the hydraulic power. The axis of the device 20. The extension 221 is selectively used depending on actual operational needs, and the length of the ejector lever 22 can be increased.

关于上述拉爪 30，其一端具有上述的结合端 32，另一端具有一勾部 33。连接该结合端 32和该勾部 33之间为一本体 35。该本体 35由一第一延伸段 351和一第二延伸段 352以预定的角度一体连接，且该第二延伸段 352的结构厚度及结构宽度大于该第一延伸段 351的厚度及宽度。该结合端 32以上述的旋转轴 31连接于该拉爪座 10 的拉爪连接部 13，该拉爪 30得以该旋转轴 31为圆心而摆动。该旋转轴 31的壁面埋设有沿着该旋转轴 31的直径方向而往复移动的圆珠 36，在该旋转轴 31的内部以弹簧（图未示)推抵着圆珠 36，当该旋转轴 31穿过该拉爪连接部 13，该圆珠 36弹卡于该拉爪连接部 13的侧壁上，可防止该旋转轴 31脱离该拉爪连接部 13。该结合端 32 具有一凸出的推掣块 34相对于上述中心轴套 12的枢套段 122，该推掣块 34具有一弹簧推抵面 341和一控制物件推抵面 342。 Regarding the above-mentioned claw 30, one end thereof has the above-mentioned joint end 32, and the other end has a hook portion 33. Connected between the joint end 32 and the hook portion 33 is a body 35. The body 35 is integrally connected by a first extending portion 351 and a second extending portion 352 at a predetermined angle, and the structural thickness and structural width of the second extending portion 352 are greater than The thickness and width of the first extension 351. The coupling end 32 is coupled to the claw connecting portion 13 of the claw base 10 by the above-described rotating shaft 31, and the pulling claw 30 is swung by the rotating shaft 31 as a center. A ball 36 that reciprocates along a diameter direction of the rotating shaft 31 is embedded in a wall surface of the rotating shaft 31, and a spring (not shown) is pushed inside the rotating shaft 31 against the ball 36, and the rotating shaft 31 passes through the claw connecting portion 13, and the ball 36 is snapped onto the side wall of the claw connecting portion 13, thereby preventing the rotating shaft 31 from coming off the claw connecting portion 13. The joint end 32 has a raised push block 34 with respect to the pivot sleeve 122 of the central sleeve 12. The push block 34 has a spring push surface 341 and a control object push surface 342.

上述弹簧 40枢套于该中心轴套 12的枢套段 122外部，其第一端抵顶在上述的挡止部 125，第二端则配套一第一垫圈 15而抵止于该拉爪 30的弹簧推抵面 341。在常态情况下，该弹簧 40的弹力作用于该弹簧推抵面 341，从而使该数个拉爪 30同步的以该旋转轴 31为圆心而向外摆动扩开。该第一垫圈 15弥补了弹簧端的高低差，使该弹簧 40的弹力通过该第一垫圈 15所提供的平面而施配于该弹簧推抵面 341，从而使该弹簧推抵面 341所受的弹力均衡，而平衡的张缩移动。 The spring 40 is sleeved on the outside of the pivoting sleeve 122 of the central bushing 12. The first end thereof abuts against the stopping portion 125, and the second end is matched with a first washer 15 to abut the claw 30. The spring pushes against the face 341. In the normal case, the spring force of the spring 40 acts on the spring pushing surface 341, so that the plurality of claws 30 are synchronized and swing outwardly with the rotating shaft 31 as a center. The first washer 15 compensates for the height difference of the spring end, and the elastic force of the spring 40 is applied to the spring pushing surface 341 through the plane provided by the first washer 15, so that the spring is pushed against the surface 341. Elasticity is balanced, while balanced tension moves.

上述控制物件 50，系一环状结构，其内环面具有螺纹 51，而使其可结合于该中心轴套 12的第二螺纹段 123，旋转该控制物件 50可使其沿着该第二螺纹段 123往复移动。该控制物件 50相对该弹簧 40的一环端配套一第二垫圈 52，该第二垫圈 52 接触该拉爪 30的控制物件推抵面 342。当该控制物件 50往该弹簧 40的方向移动时，该第二垫圈 52施予该推掣块 34—相反于该弹簧 40的弹力方向的推顶力，从而使所述拉爪 30同步的以该旋转轴 31为圆心而向中心方向摆动收合，进而以其勾部 33勾扣住诸如轴承、齿轮、皮带轮之类的轮状物体的盘圆部位。该中心轴套 12的扣槽 127设有一扣环 128，当该控制物件 50往远离该弹簧 40的方向移动至一极限位置时可触抵该扣环 128。该控制物件 50的螺纹 51系位在内环面的中间段，该内环面的第一端以一第一环槽 53接收该第二垫圈 52，第二端以一第二环槽 54接收该扣环 128，并以该第二环槽 53的槽底 541接触该扣环 128。 The control object 50 is an annular structure having an inner ring surface with a thread 51 so as to be coupled to the second thread segment 123 of the central sleeve 12, and rotating the control object 50 to enable the second portion along the second The thread segment 123 reciprocates. The control member 50 is provided with a second washer 52 with respect to a ring end of the spring 40, and the second washer 52 contacts the control object pushing surface 342 of the claw 30. When the control object 50 moves in the direction of the spring 40, the second washer 52 applies the pushing block 34 - opposite to the urging force of the spring 40 in the direction of the spring force, so that the claws 30 are synchronized The rotating shaft 31 is centered and swings in the center direction, and the hook portion 33 hooks the round portion of the wheel-like object such as a bearing, a gear, and a pulley. The buckle groove 127 of the center sleeve 12 is provided with a buckle 128 that can be touched when the control object 50 is moved away from the spring 40 to an extreme position. The thread 51 of the control object 50 is located in the middle section of the inner ring surface. The first end of the inner ring surface receives the second washer 52 with a first ring groove 53 and the second end receives the second ring groove 54. The buckle 128 contacts the buckle 128 with the groove bottom 541 of the second ring groove 53.

上述握柄 60组装于拉爪座 10的握柄连接部 14。该握柄连接部 14横向穿过一旋转轴 141，该旋转轴 141的壁面埋设有沿着直径方向而往复移动的圆珠 142，在该旋转轴 141的内部以弹簧（图未示)推抵着圆珠 142，当该旋转轴 141穿过该握柄连接部 14，该圆珠 142弹卡于该握柄连接部 13的内壁，可防止该旋转轴 141脱离该握柄连接部 14。该旋转轴 141具有一径向贯穿其轴体的螺纹孔 143。该握柄 60具有一结合部 61伸入该内部空间 146中，一和该螺纹孔 143相同轴心方向的穿孔 62设于该握柄 60本体的端部以及该结合部 61，一螺栓元件 63可穿于该穿孔 62中而锁组于该旋转轴 141的螺纹孔 143，从而使该握柄 60与该连接部 14连接。该握柄连接部 14和该握柄 60另具有至少一相对接触的挡止面 147， 64，两者相触抵可限制该握柄 60，使其无法牵动该旋转轴 141而发生旋转。该握柄 60便于操作者以一手提取稳定该油压拔轮器，另一手旋调上述的控制物件 50，或者操作该油压动力装置 20的操作杆 21，操作使用方便省力。 The grip 60 is assembled to the grip connecting portion 14 of the claw base 10. The handle connecting portion 14 is transversely passed through a rotating shaft 141. The wall surface of the rotating shaft 141 is embedded with a ball 142 that reciprocates in the radial direction, and a spring (not shown) is pushed inside the rotating shaft 141. The ball 142 is movably inserted into the inner wall of the grip connecting portion 13 when the rotating shaft 141 passes through the grip connecting portion 14, and the rotating shaft 141 is prevented from being disengaged from the grip connecting portion 14. The rotating shaft 141 has a threaded hole 143 extending radially through its shaft body. The handle 60 has a joint portion 61 extending into the inner space 146. A through hole 62 having the same axial direction as the threaded hole 143 is provided at the end of the body of the handle 60 and the joint portion 61, a bolt member 63. The threaded hole 143 of the rotating shaft 141 can be locked in the through hole 62 so that the handle 60 is connected to the connecting portion 14. The grip connecting portion 14 and the grip 60 further have at least one oppositely contacting stop faces 147, 64 that are in contact with each other to limit the grip 60 so that the rotating shaft 141 cannot be pulled to rotate. The handle 60 is convenient for the operator to extract and stabilize the oil pressure by one hand The wheel is rotated by the other hand, or the operating lever 21 of the hydraulic power unit 20 is operated, and the operation is convenient and labor-saving.

该握柄 60的内部设有照明装置 65，该照明装置 65的一灯泡（LED) 66显露于该握柄 60的尾端，该照明装置 65的开关 67设于该握柄 60上一便于被触及的位置。照明装置 65可辅助照明该油压拔轮器的作业位置。 The inside of the handle 60 is provided with a lighting device 65. A light bulb (LED) 66 of the lighting device 65 is exposed at the tail end of the handle 60. The switch 67 of the lighting device 65 is disposed on the handle 60 for facilitating being The location touched. Illumination device 65 can assist in illuminating the working position of the hydraulic puller.

如图 4，以局部纵剖面图表现拉爪张开至最大极限的状态。上述控制物件 50 是以槽底 541触抵该扣环 128，该弹簧 40的弹力施加于该拉爪 30的推掣块 34，进而使所述拉爪 30向外张开。 As shown in Fig. 4, the state in which the claw is opened to the maximum limit is represented by a partial longitudinal sectional view. The control object 50 touches the buckle 128 with the groove bottom 541. The elastic force of the spring 40 is applied to the push block 34 of the claw 30, thereby causing the pull claw 30 to open outward.

张开的拉爪 30可以勾部 33勾扣住一轮状物体（图未示），该油压动力装置 20 使该推顶杆 22施以一重负荷顶压住该轮状体的中心固定物，从而使所述拉爪产生拉拔力量，进而卸除该轮状物体。 The open claw 30 can hook a hook body 33 to a round object (not shown), and the hydraulic power device 20 applies the heavy load to the center of the wheel. , thereby causing the pulling claw to generate drawing force, thereby removing the wheel object.

如图 5，旋转该控制物件 50，使其沿着该中心轴套 12的第二外螺纹段 123而往该弹簧 40的方向移动，推抵该拉爪 30的控制物件推抵面 342，而使该数个拉爪 30同步的向该油压拔轮器的中心方向摆动，缩小所述拉爪 30的张开角度。 As shown in FIG. 5, the control object 50 is rotated to move along the second externally threaded section 123 of the central bushing 12 in the direction of the spring 40, and pushes against the control object pushing surface 342 of the pulling claw 30, and The plurality of claws 30 are synchronized to the center direction of the hydraulic impeller, and the opening angle of the claws 30 is reduced.

在本发明实施例中，油压拔轮器具有三个拉爪 30和一个握柄 60，但是将两个拉爪 30分别设置于其中一拉爪连接部 13和该握柄连接部 14，就可将该油压拔轮器改变为二爪的实施样态。 In the embodiment of the present invention, the hydraulic puller has three pulling claws 30 and one grip 60, but the two pulling claws 30 are respectively disposed on one of the claw connecting portions 13 and the grip connecting portion 14, The hydraulic puller is changed to the embodiment of the two jaws.

如图 6和图 7，系本发明油压拔轮器的第二实施例，组装于该中心轴套 12的螺纹段 124的是一螺杆 25，该螺杆 25的第一端是一个六角柱状的结合部 251，该螺杆 25的第二端是一柱状的推顶部 252。该结合部 251用以和一操作工具（图未示) 结合，以驱动该螺杆 25旋转，而能于该中心轴套 12中进退移动。进移动时可以该推顶部 252施一重负荷顶压于被该拉爪所扣住的一轮状物体的中心固定物，从而使所述拉爪产生拉拔力量，而卸除该轮状物体。 6 and 7, a second embodiment of the hydraulic pressure puller of the present invention, assembled in the threaded section 124 of the central bushing 12 is a screw 25, the first end of which is a hexagonal column The joint portion 251 has a second end of the screw 25 which is a cylindrical push top 252. The joint portion 251 is combined with an operating tool (not shown) to drive the screw 25 to rotate, and can move forward and backward in the center sleeve 12. When moving forward, the pusher top 252 can apply a heavy load against the center fixture of the one-wheeled object that is fastened by the pull claw, thereby causing the pull claw to generate drawing force and unloading the wheel-like object.

虽然本发明是以一个最佳实施例做说明，但精于此技艺者能在不脱离本发明精神与范畴下做各种不同形式的改变。以上所举实施例仅用以说明本发明而已，非用以限制本发明的范围。举凡不违本发明精神所从事的种种修改或变化，倶属本发明申请专利范围。 While the invention has been described in terms of a preferred embodiment, various modifications of the various embodiments can be made without departing from the spirit and scope of the invention. The above embodiments are merely illustrative of the invention and are not intended to limit the scope of the invention. Any modification or variation made without departing from the spirit of the invention is within the scope of the invention.

Claims

权利要求书 Claim

1.一种可携式油压拔轮器，其特征在于，主要包括： A portable hydraulic pressure puller, characterized in that it mainly comprises:

一拉爪座（10); a claw seat (10);

数个以旋转轴（31)连接于该拉爪座（10)的拉爪 (30)； a plurality of claws (30) connected to the claw base (10) by a rotating shaft (31);

一组装于该拉爪座（10)而施加弹力于所述拉爪 (30)结合端（32)的弹簧 (40)；一组装于该拉爪座（10)而施加一挤压该弹簧（40)推力于该拉爪（30)结合端 (32)的控制物件 (50)。 a spring (40) assembled to the claw base (10) to apply an elastic force to the coupling end (32) of the claw (30); an assembly of the claw base (10) to apply a pressing of the spring ( 40) A control object (50) that thrusts the end (32) of the puller (30).

2.如权利要求 1所述的可携式油压拔轮器，其特征在于，上述拉爪座（10) 包括一环状主体（11) 和一沿着该环状主体（11) 轴心而组套于其内部的中心轴套 (12) ；该环状主体（11) 的外环面设有数个供上述拉爪（30) 连接的拉爪连接部（13) 。 The portable hydraulic wheel puller according to claim 1, wherein said claw base (10) comprises an annular body (11) and an axis along the annular body (11) The central sleeve (12) is sleeved inside the outer ring surface of the annular body (11), and a plurality of claw connecting portions (13) for connecting the claws (30) are provided.

3.如权利要求 2所述的可携式油压拔轮器，其特征在于，该环状主体（11) 的外环面设有一握柄连接部（14) ，该握柄连接部（14) 连接一握柄（60) ，一旋转轴（141) 横向穿过该握柄连接部（14) ，该旋转轴（141) 具有一径向贯穿其轴体的螺纹孔（143) ，一和该螺纹孔（143) 相同轴心方向的穿孔（62) 设于该握柄（60) 本体的端部，一螺栓元件（63) 穿于该穿孔（62) 中而锁组于该旋转轴（141) 的螺纹孔（143) 。 The portable hydraulic puller according to claim 2, wherein the outer ring surface of the annular body (11) is provided with a handle connecting portion (14), and the handle connecting portion (14) a handle (60), a rotating shaft (141) transversely passes through the handle connecting portion (14), the rotating shaft (141) having a threaded hole (143) radially extending through the shaft body thereof, A through hole (62) of the threaded hole (143) in the same axial direction is disposed at an end of the body of the handle (60), and a bolt member (63) is inserted in the through hole (62) to lock the rotating shaft ( 141) Threaded hole (143).

4.如权利要求 3所述的可携式油压拔轮器，其特征在于，该握柄（60) 的内部设有一照明装置（65) ，该照明装置（65) 的一灯泡（66) 显露于该握柄（60) 的尾端，该照明装置（65) 的开关（67) 设于该握柄（60) 上一便于被触及的位置。 The portable hydraulic puller according to claim 3, wherein the inside of the handle (60) is provided with a lighting device (65), and a light bulb (66) of the lighting device (65) Appearing at the end of the handle (60), the switch (67) of the illumination device (65) is disposed on the handle (60) at a position that is easily accessible.

5.如权利要求 2所述的可携式油压拔轮器，其特征在于，该中心轴套（12) 的外环面设有一第一外螺纹段（121)、一枢套段（122)、以及一第二外螺纹段（123); 该第一外螺纹段（121)结合于该环状主体（11)的内螺纹环面（111); 上述弹簧 (40) 枢套于该枢套段（122)外部，上述控制物件 (50)为具有内螺纹的环状结构，组设于该第二外螺纹段（123)，该中心轴套（12)的端部具有一水平外扩的限位部（126)，该限位部（126)接触该拉爪座（10)的端部。 The portable hydraulic wheel puller according to claim 2, wherein the outer annular surface of the central bushing (12) is provided with a first externally threaded section (121) and a pivoted section (122). And a second externally threaded section (123); the first externally threaded section (121) is coupled to the internally threaded annulus (111) of the annular body (11); the spring (40) is pivoted to the pivot Outside the sleeve (122), the control object (50) is an annular structure having an internal thread, and is disposed on the second externally threaded section (123), and the end of the central sleeve (12) has a horizontal expansion. a limiting portion (126), the limiting portion (126) contacting an end of the claw base (10).

6.如权利要求 5所述的可携式油压拔轮器，其特征在于，该中心轴套（12) 的一端具有一扣槽（127) ，该扣槽（127) 中设一扣环（128) ，该控制物件（50) 往远离该弹簧（40) 的方向移动至一极限位置时，其第二端触抵该扣环（128) ，该控制物件（50) 的第二端以一第二环槽（54) 接收该扣环（128) ，并以该第二环槽（53) 的槽底（541) 接触该扣环（128) 。 The portable hydraulic wheel puller according to claim 5, wherein one end of the central bushing (12) has a buckle groove (127), and a buckle is arranged in the buckle groove (127) (128), when the control object (50) moves to a limit position away from the spring (40), the second end of the control object (50) touches the buckle (128), and the second end of the control object (50) A second ring groove (54) receives the buckle (128) and contacts the buckle (128) with the groove bottom (541) of the second ring groove (53).

7.如权利要求 1所述的可携式油压拔轮器，其特征在于，该拉爪 (30)的一端具有一上述的结合端 (32)，另一端具有一勾部 (33)，连接该结合端 (32)和该勾部 (33) 之间为一弯弧形状的本体 (35)；该本体 (35)由一第一延伸段 (351)和一第二延伸段 (352)以预定的角度一体连接，且该第二延伸段 (352)的结构厚度及结构宽度大于该第一延伸段 (351)的结构厚度及结构宽度。 The portable hydraulic puller according to claim 1, wherein one end of the claw (30) has There is a combined end (32), and the other end has a hook portion (33), and a body (35) connecting the joint end (32) and the hook portion (33) is curved; the body (35) a first extension (351) and a second extension (352) are integrally joined at a predetermined angle, and the second extension (352) has a structural thickness and a structural width greater than the first extension (351) Structural thickness and structural width.

8.如权利要求 7所述的可携式油压拔轮器，其特征在于，该结合端 (32)具有一凸出的推掣块 (34)相对于上述中心轴套（12)的枢套段（122)，该推掣块 (34)具有一弹簧推抵面 (341)和一控制物件推抵面 (342)；上述弹簧 (40)的弹力作用于该弹簧推抵面（341)，上述控制物件 (50)接触该控制物件推抵面（342)，上述弹簧（40) 相对该弹簧推抵面（341) 的端部配套一第一垫圈（15) ，该第一垫圈（15) 抵止于该拉爪（30) 的弹簧推抵面（341) 。 The portable hydraulic wheel puller according to claim 7, wherein the joint end (32) has a protruding push block (34) relative to the central bushing (12) a sleeve (122), the push block (34) has a spring pushing surface (341) and a control object pushing surface (342); the spring force of the spring (40) acts on the spring pushing surface (341) The control object (50) contacts the control object pushing surface (342), and the spring (40) is matched with a first washer (15) opposite to the end of the spring pushing surface (341), the first washer (15) ) Abut against the spring pushing surface (341) of the claw (30).

9.如权利要求 1所述的可携式油压拔轮器，其特征在于，更包括一结合于该拉爪座（10) 中心的油压动力装置（20) ，该油压动力装置（20) 控制一连接于其轴心的推顶杆（22) 移动。 The portable hydraulic wheel puller according to claim 1, further comprising a hydraulic power device (20) coupled to a center of the claw base (10), the hydraulic power device ( 20) Control the movement of the ejector pin (22) connected to its axis.

10.如权利要求 1所述的可携式油压拔轮器，其特征在于，更包括一结合于该拉爪座（10)中心的螺杆（25)，该螺杆（25)的第一端是一角柱状的结合部（251)，该螺杆（25) 的第二端是一柱状的推顶部（252) 。 10. The portable hydraulic wheel puller according to claim 1, further comprising a screw (25) coupled to a center of the claw base (10), the first end of the screw (25) It is a columnar joint (251), and the second end of the screw (25) is a columnar push top (252).