CN110821932B - 一种方形连接l型自锁紧定位销 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/02—Releasable fastening devices locking by rotation
- F16B21/04—Releasable fastening devices locking by rotation with bayonet catch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/06—Releasable fastening devices with snap-action
- F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
- F16B21/073—Releasable fastening devices with snap-action in which the socket has a resilient part the socket having a resilient part on its inside
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/09—Releasable fastening devices with a stud engaging a keyhole slot
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
本发明内容主要提供了一种方形连接L型自锁紧定位销,其主要用于方形连接钻杆连接中,对于方形连接钻杆的插接固定,采用L型结构设计,并在一侧安装有固定卡销,当方形连接钻杆两根互配连接后,穿入L型定位销,然后旋转L型定位销,通过L型定位销L型尾部的固定卡销与叶片接触后卡死弹出,防止脱落,当钻杆拆卸时,只需反向旋转L型定位销,便可将L型定位销进行拔出,该定位销设计简便使用,可以有效达到方形连接钻杆连接固定的目的,并且拆装简便快捷,对于井下钻孔施工带来诸多便利。
Description
技术领域
本发明主要涉及一种方形连接L型自锁紧定位销,其主要用于方形连接钻杆连接中,对于方形连接钻杆的插接固定。
背景技术
方形连接类钻杆作为钻杆使用中常见的一种钻杆连接形式,具有可靠的稳定性,利用方形连接作为钻杆使用的一种连接方式,可以有效进行扭矩的传递和输出,尤其对于杆体表面缠绕螺旋叶片结构的钻具产品,其优势更加突出,为防止方形连接结构脱离,通常情况下通过自动弹销来控制方形连接结构的脱离,但是自动弹销往往存在弹销强度不够或应力集中造成弹销断裂,甚至造成钻杆丢掉孔内的事故;另外一种固定方式是通过铆钉销结构,然后利用紧密弹簧进行固定锁紧,该连接结构方便耐用,抗拉抗压效果良好,但是当使用一段时间后由于紧密弹簧寿命下降,刚性减弱,对于铆钉销的锁紧能力降低,后期会造成铆钉销脱落,引起钻杆孔内丢失事故。
发明内容
本发明内容是提供一种方形连接L型自锁紧定位销,其采用L型结构设计,并在一侧安装有固定卡销,当方形连接钻杆两根互配连接后,穿入L型定位销,然后旋转L型定位销,通过L型定位销L型尾部的固定卡销与叶片接触后卡死弹出,防止脱落,当钻杆拆卸时,只需反向旋转L型定位销,便可将L型定位销进行拔出,该定位销设计简便使用,可以有效达到方形连接钻杆连接固定的目的,并且拆装简便快捷,对于井下钻孔施工带来诸多便利。
一种方形连接L型自锁紧定位销,是通过钻杆的方形连接结构实现的快速插接定位,并且钻杆杆体表面缠绕有螺旋叶片结构,钻杆的方形连接结构可以为四方传动,也可为六方传动,在外连接方与内连接方位置加工有可用于穿插L型销的定位孔,外连接方与内连接方上的定位孔在进行穿插后中线重合,从而可有效保证L型销的穿入。
一种方形连接L型自锁紧定位销中的方形连接钻杆的杆体表面缠绕加工有螺旋叶片,为方便L型连接销进行固定,在靠近内连接方销孔的螺旋叶片一侧加工有固定销孔,用于对于L型销的固定锁紧。
一种方形连接L型自锁紧定位销中的L型销为L型结构,L型销圆柱与固定卡销为90度垂直方向布置,固定卡销内部设置有复位弹簧和卡珠,并在尾部用螺钉固定,在内连接方与外连接方穿插后,将L型销插入定位孔位置后沿螺旋叶片上的固定销孔方向旋转L型销,通过固定销孔与固定卡销的配合,达到锁紧定位的目的。
附图说明:
图1是一种方形连接L型自锁紧定位销的安装视图
图2是一种方形连接L型自锁紧定位销中的方形连接视图
图3是一种方形连接L型自锁紧定位销中的L型销视图
其中1—内连接方,2—外连接方,3—内连接方定位孔,4—外连接方定位孔,5—螺旋叶片,6—固定销孔,7—L型销,8—螺钉,9—复位弹簧,10—卡珠。
具体实施方式
参照附图中所涵盖的图形并具体实用说明如下:
依照图中所示,一种方形连接L型自锁紧定位销中的内连接方1为方形结构,并在内连接方1上加工有内连接方定位孔3,同样的外连接方2为方形结构,并在外连接方2上加工有外连接方定位孔4,在内连接方1外圆缠绕有螺旋叶片5,并在螺旋叶片5上加工有固定销孔6,通过固定销孔6对L型销7进行连接固定。
一种方形连接L型自锁紧定位销中的L型销7为L型结构,L型销7圆柱与固定卡销为90度垂直方向布置,固定卡销内部依次安装有卡珠10和复位弹簧9并利用螺钉8进行固定,在内连接方1与外连接方2穿插后,将L型销7插入定位孔位置后沿螺旋叶片5上的固定销孔方向旋转L型销7,通过固定销孔6与固定卡销的配合,达到锁紧定位的目的。
任何人应得知在本发明的启示下作出的结构变化,凡是与本发明具有相同或相近的技术方案,均落入本发明的保护范围之内。
本发明未详细描述的技术、形状、构造部分均为公知技术。
Claims (1)
1.一种方形连接L型自锁紧定位销,其特征在于是通过钻杆的方形连接结构实现的快速插接定位,并且钻杆杆体表面缠绕有螺旋叶片结构,方形连接的外连接方与内连接方位置加工有可用于穿插L型自锁紧定位销的定位孔,外连接方与内连接方上的定位孔在进行穿插后中线重合,在靠近内连接方销孔的螺旋叶片一侧加工有固定销孔,L型自锁紧定位销采用L型结构设计,并在一侧安装有固定卡销,当方形连接钻杆两根互配连接后,穿入L型自锁紧定位销,然后沿螺旋叶片上的固定销孔方向旋转L型自锁紧定位销,通过L型自锁紧定位销L型尾部的固定卡销与螺旋叶片的固定销孔接触后卡死弹出;
L型自锁紧定位销圆柱与固定卡销为90度垂直方向布置,固定卡销内部设置有复位弹簧和卡珠,并在尾部用螺钉固定。
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CN2155412Y (zh) * | 1993-05-08 | 1994-02-09 | 王波 | 新型活动插销 |
US20030156923A1 (en) * | 2002-02-16 | 2003-08-21 | Winkler John M. | Indexing plunger |
CN201529324U (zh) * | 2009-11-10 | 2010-07-21 | 牛伟 | 90锶敷贴器 |
CN101813117A (zh) * | 2010-04-20 | 2010-08-25 | 海洋王照明科技股份有限公司 | 可抗冲击的插销连接装置 |
CN203374595U (zh) * | 2013-07-29 | 2014-01-01 | 汕头市宜华家具有限公司 | 一种使家具拆装方便的连接件 |
CN205955664U (zh) * | 2016-06-30 | 2017-02-15 | 冀凯河北机电科技有限公司 | 一种通水钻杆连接结构 |
CN205858194U (zh) * | 2016-06-30 | 2017-01-04 | 冀凯河北机电科技有限公司 | 一种螺旋通水钻杆用密封结构 |
CN208474289U (zh) * | 2018-01-25 | 2019-02-05 | 苏州科达科技股份有限公司 | 一种保险销 |
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