CN205069918U - Supplementary clamping device of high pressure earth clamp - Google Patents

Supplementary clamping device of high pressure earth clamp Download PDF

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Publication number
CN205069918U
CN205069918U CN201520895107.7U CN201520895107U CN205069918U CN 205069918 U CN205069918 U CN 205069918U CN 201520895107 U CN201520895107 U CN 201520895107U CN 205069918 U CN205069918 U CN 205069918U
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China
Prior art keywords
joint cap
taper sleeve
wire clamp
sleeve
clamp
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Expired - Fee Related
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CN201520895107.7U
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Chinese (zh)
Inventor
朱斌泉
吕旭军
盛跃峰
纪涛
邱敏
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State Grid Corp of China SGCC
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Deqing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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State Grid Corp of China SGCC
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Deqing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201520895107.7U priority Critical patent/CN205069918U/en
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Publication of CN205069918U publication Critical patent/CN205069918U/en
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Abstract

本实用新型公开了一种高压接地线夹的辅助夹持装置,包括接头帽及锥套夹紧组件,所述接头帽的顶部设有通孔,接地线夹把手通过通孔插入接头帽,所述锥套夹紧组件将接地线夹把手夹紧,所述锥套夹紧组件包括内锥套和外锥套,所述外锥套的内孔设有内锥面,所述内锥套的外表面设有外锥面,所述外锥面与内锥面滑动配合,所述接头帽的内孔设有内螺纹,所述外锥套的外表面设有外螺纹,所述内螺纹与外螺纹啮合。本实用新型可利用扭矩扳手实现对导线夹的夹紧与松开,减小了接地夹的装设难度,并且可通过扭矩扳手监测扭转扭矩,间接获取导线夹夹持情况,保证了接地线夹与母排或输电线的可靠连接。

The utility model discloses an auxiliary clamping device for a high-voltage grounding wire clamp, which comprises a joint cap and a taper sleeve clamping assembly. The top of the joint cap is provided with a through hole, and the handle of the grounding wire clamp is inserted into the joint cap through the through hole. The taper sleeve clamping assembly clamps the handle of the grounding wire clamp. The taper sleeve clamping assembly includes an inner taper sleeve and an outer taper sleeve. The inner hole of the outer taper sleeve is provided with an inner taper surface, and the inner taper sleeve The outer surface is provided with an outer tapered surface, and the outer tapered surface is slidingly matched with the inner tapered surface. The inner hole of the joint cap is provided with an internal thread, and the outer surface of the outer tapered sleeve is provided with an external thread. External thread engagement. The utility model can use the torque wrench to realize the clamping and loosening of the wire clamp, which reduces the installation difficulty of the grounding clamp, and can monitor the torsional torque through the torque wrench, indirectly obtain the clamping situation of the wire clamp, and ensure the safety of the grounding clamp. Reliable connection to busbars or power lines.

Description

一种高压接地线夹的辅助夹持装置Auxiliary clamping device for high-voltage grounding clamp

技术领域technical field

本实用新型涉及接地线挂设装置,尤其涉及高压接地线夹的辅助夹持装置。The utility model relates to a grounding wire hanging device, in particular to an auxiliary clamping device for a high-voltage grounding wire clip.

背景技术Background technique

携带型短路接地线在电力系统中的应用非常广泛,是保障电力生产与检修人员人身安全的必备装置,其作用是释放电力设备上的残余电荷,以防止突然来电或邻近带电设备和线路产生感应电压时造成工作人员触电。短路接地线主要由接地端线夹、接地线、导线端线夹、绝缘操作把手等组成,其中,导线端线夹是关键。目前,短路接地线常用的导线端线夹存在装拆困难、与输电线连接不可靠、稳固性差等缺陷,需要研制装拆方便、线夹与输电线连接状态可监测的结构。Portable short-circuit grounding wires are widely used in power systems and are necessary devices to ensure the personal safety of power production and maintenance personnel. When the voltage is induced, the staff will get an electric shock. The short-circuit grounding wire is mainly composed of grounding terminal clamps, grounding wires, conductor terminal clamps, and insulated operating handles, among which the conductor terminal clamp is the key. At present, the wire terminal clamps commonly used for short-circuit grounding wires have defects such as difficult assembly and disassembly, unreliable connection with transmission lines, and poor stability.

实用新型内容Utility model content

本实用新型所要解决的技术问题就是提供一种高压接地线夹的辅助夹持装置,方便接地夹的装设。The technical problem to be solved by the utility model is to provide an auxiliary clamping device for the high-voltage grounding clamp, which facilitates the installation of the grounding clamp.

为解决上述技术问题,本实用新型采用如下技术方案:一种高压接地线夹的辅助夹持装置,包括接头帽及锥套夹紧组件,所述接头帽的顶部设有通孔,接地线夹把手通过通孔插入接头帽,所述锥套夹紧组件将接地线夹把手夹紧。In order to solve the above technical problems, the utility model adopts the following technical scheme: an auxiliary clamping device for a high-voltage grounding clamp, including a joint cap and a taper sleeve clamping assembly, the top of the joint cap is provided with a through hole, and the grounding clamp The handle is inserted into the connector cap through the through hole, and the taper sleeve clamping assembly clamps the handle of the grounding clamp.

优选的,所述锥套夹紧组件包括内锥套和外锥套,所述外锥套的内孔设有内锥面,所述内锥套的外表面设有外锥面,所述外锥面与内锥面滑动配合,所述接头帽的内孔设有内螺纹,所述外锥套的外表面设有外螺纹,所述内螺纹与外螺纹啮合。Preferably, the taper sleeve clamping assembly includes an inner taper sleeve and an outer taper sleeve, the inner hole of the outer taper sleeve is provided with an inner taper surface, the outer surface of the inner taper sleeve is provided with an outer taper surface, and the outer taper The tapered surface is slidingly matched with the internal tapered surface, the inner hole of the joint cap is provided with an internal thread, and the outer surface of the external tapered sleeve is provided with an external thread, and the internal thread is engaged with the external thread.

优选的,所述外锥套的外表面为设有一对平行弦切面的圆柱面。Preferably, the outer surface of the outer tapered sleeve is a cylindrical surface provided with a pair of parallel chord cut surfaces.

优选的,所述接头帽的外表面为设有一对平行弦切面的圆柱面。Preferably, the outer surface of the joint cap is a cylindrical surface provided with a pair of parallel chord sections.

优选的,所述接头帽和外锥套采用碳钢制作,所述内锥套采用聚四氟乙烯制作。Preferably, the joint cap and the outer taper sleeve are made of carbon steel, and the inner taper sleeve is made of polytetrafluoroethylene.

本实用新型采用上述技术方案后,接地线夹把手通过与该辅助夹持装置配合即可利用扭矩扳手实现对导线夹的夹紧与松开,减小了接地夹的装设难度,并且可通过扭矩扳手监测扭转扭矩,间接获取导线夹夹持情况,保证了接地线夹与母排或输电线的可靠连接。After the utility model adopts the above-mentioned technical scheme, the ground wire clamp handle can realize the clamping and loosening of the wire clamp with a torque wrench by cooperating with the auxiliary clamping device, which reduces the installation difficulty of the ground clamp, and can be passed through The torque wrench monitors the torsional torque, indirectly obtains the clamping condition of the wire clamp, and ensures the reliable connection between the grounding clamp and the busbar or transmission line.

本实用新型的有益效果为:The beneficial effects of the utility model are:

1、内锥套与接地线夹把手过盈配合,把手外环面产生极大的摩擦力,保证了连接的可靠性;1. The interference fit between the inner taper sleeve and the handle of the grounding clamp produces great friction on the outer ring surface of the handle, which ensures the reliability of the connection;

2、接头帽和外锥套的带平行弦切面的圆柱面结构可方便连接扭矩扳手形成传动机构,可明显降低接地夹的装设难度,提高了接地线夹与母排或输电线连接的可靠性,也可使线夹夹持状态可监测,提高了安全性;2. The cylindrical surface structure with parallel chord section of the joint cap and the outer cone sleeve can be easily connected with a torque wrench to form a transmission mechanism, which can significantly reduce the installation difficulty of the grounding clamp and improve the reliability of the connection between the grounding clamp and the busbar or transmission line It can also monitor the clamping state of the wire clamp, which improves the safety;

3、本实用新型在解决了实际问题的基础上,还具有结构简单、制作成本低等优点。3. On the basis of solving practical problems, the utility model also has the advantages of simple structure and low manufacturing cost.

附图说明Description of drawings

下面结合附图和具体实施方式对本实用新型作进一步描述:Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

图1是本实用新型实施例1中辅助夹持装置的纵剖面构造图;Fig. 1 is a longitudinal sectional structural diagram of the auxiliary clamping device in Embodiment 1 of the utility model;

图2是本实用新型实施例1中辅助夹持装置的俯视图;Fig. 2 is a top view of the auxiliary clamping device in Embodiment 1 of the utility model;

图3是本实用新型实施例1中辅助夹持装置的仰视图;Fig. 3 is a bottom view of the auxiliary clamping device in Embodiment 1 of the utility model;

图4是本实用新型实施例1中主体部分的结构示意图;Fig. 4 is a schematic structural view of the main body in Embodiment 1 of the utility model;

图5是本实用新型实施例1中主体部分的局部剖面结构图;Fig. 5 is a partial cross-sectional structure diagram of the main body in Embodiment 1 of the utility model;

图6是本实用新型实施例2中主导体夹和驱动结构配合结构示意图。Fig. 6 is a schematic diagram of the cooperating structure of the main conductor clip and the driving structure in Embodiment 2 of the present invention.

具体实施方式detailed description

实施例1,如图1至图5所示,一种高压接地线夹,包括主体部分和辅助夹持装置1,所述主体部分包括依次相接的导体夹3、操作杆2,所述操作杆2包括杆体22和接地线夹把手21,所述辅助夹持装置1包括接头帽11及锥套夹紧组件,所述接头帽的顶部设有通孔,接地线夹把手21通过通孔插入接头帽11,所述锥套夹紧组件将接地线夹把手21夹紧。Embodiment 1, as shown in Figures 1 to 5, a high-voltage grounding clamp includes a main body and an auxiliary clamping device 1, the main body includes a conductor clamp 3 and an operating rod 2 connected in sequence, and the operation The rod 2 includes a rod body 22 and a ground wire clamp handle 21. The auxiliary clamping device 1 includes a joint cap 11 and a taper sleeve clamping assembly. The top of the joint cap is provided with a through hole, and the ground wire clamp handle 21 is inserted through the through hole. The connector cap 11, the taper sleeve clamping assembly clamps the grounding wire clamp handle 21.

所述锥套夹紧组件包括内锥套13和外锥套12,所述外锥套内孔设有内锥面,所述内锥套外表面设有外锥面,所述外锥面与内锥面滑动配合。内锥套13和外锥套12锥度相同,且内锥套13的圆锥底面突出于外锥套12,并与接头帽11的内顶面贴合,内锥套13的内环面与接线线夹把手21的外环面过盈配合。The clamping assembly of the taper sleeve includes an inner taper sleeve 13 and an outer taper sleeve 12, the inner hole of the outer taper sleeve is provided with an inner taper surface, and the outer surface of the inner taper sleeve is provided with an outer taper surface, and the outer taper surface and Slip fit inside taper. The taper of the inner taper sleeve 13 and the outer taper sleeve 12 are the same, and the conical bottom surface of the inner taper sleeve 13 protrudes from the outer taper sleeve 12, and fits with the inner top surface of the joint cap 11. The inner ring surface of the inner taper sleeve 13 is connected to the wire The outer ring surface of the clip handle 21 is interference fit.

所述接头帽的内孔设有内螺纹,所述外锥套的外表面设有外螺纹,所述内螺纹与外螺纹啮合。其中,所述接头帽和外锥套采用碳钢制作,结构强度及耐磨性好,所述内锥套采用聚四氟乙烯制作,以方便变形夹紧接地线夹把手。The inner hole of the joint cap is provided with an internal thread, the outer surface of the outer tapered sleeve is provided with an external thread, and the internal thread is engaged with the external thread. Wherein, the joint cap and the outer taper sleeve are made of carbon steel with good structural strength and wear resistance, and the inner taper sleeve is made of polytetrafluoroethylene to facilitate deformation and clamp the handle of the grounding clamp.

接头帽的顶部的通孔设于接头帽顶部中心点处,且为圆形孔,待夹持的接地线夹把手可通过该通孔,且与通孔间隙配合。外锥套的外表面为设有一对平行弦切面的圆柱面,接头帽的外表面为设有一对平行弦切面的圆柱面,且两者尺寸不同,以方便扭矩扳手夹持。The through hole at the top of the joint cap is located at the center point of the top of the joint cap, and is a circular hole, through which the handle of the ground wire clamp to be clamped can pass through and fit with the through hole. The outer surface of the outer taper sleeve is a cylindrical surface with a pair of parallel chord sections, and the outer surface of the joint cap is a cylindrical surface with a pair of parallel chord sections, and the two dimensions are different to facilitate the clamping of the torque wrench.

辅助夹持装置的动作为:将接地线夹把手21通过接头帽11顶部的通孔插入内锥套13,与内锥套13的内环面贴合,然后旋紧接头帽11与外锥套12之间的螺纹,将内锥套13向下挤压,压缩内锥套13即可将接地夹把手21夹紧。The action of the auxiliary clamping device is: insert the grounding wire clamp handle 21 into the inner tapered sleeve 13 through the through hole on the top of the joint cap 11, and fit the inner ring surface of the inner tapered sleeve 13, and then tighten the joint cap 11 and the outer tapered sleeve 12, the inner taper sleeve 13 is squeezed downward, and the grounding clamp handle 21 can be clamped by compressing the inner taper sleeve 13 .

导体夹3包括固定夹片31和活动夹片32,杆体的顶部设有驱动活动夹片与固定夹片夹紧的驱动结构,接地线夹把手21转动带动杆体22转动,通过操作杆2转动,所述驱动结构使活动夹片32与固定夹片夹31紧或者放松。The conductor clip 3 includes a fixed clip 31 and a movable clip 32. The top of the rod body is provided with a driving structure that drives the movable clip and the fixed clip to clamp. The driving structure makes the movable clip 32 and the fixed clip 31 clamp or loosen.

其中,所述驱动结构包括杆体顶端的螺杆23,所述固定夹片上设有螺孔,所述螺杆与螺孔螺纹连接,杆体转动的同时轴向滑移并带动活动夹片动作。固定夹片31呈Z型结构,包括上水平段311、竖直段312、下水平段313,螺杆23螺纹旋合于下水平段313的螺纹孔内,活动夹片32活动嵌套在竖直段312上,螺杆向上活动时,驱动活动夹片向上动作并与上水平段夹紧,螺杆向下时,活动夹片在重力作用下线下滑,竖直段312设有滑槽,活动夹片设有工字型结构与滑槽滑动嵌合。Wherein, the driving structure includes a screw rod 23 at the top of the rod body. The fixed clip is provided with a screw hole, and the screw rod is threadedly connected with the screw hole. When the rod body rotates, it slides axially and drives the movable clip to move. The fixed clip 31 is a Z-shaped structure, including an upper horizontal section 311, a vertical section 312, and a lower horizontal section 313. The screw rod 23 is screwed into the threaded hole of the lower horizontal section 313, and the movable clip 32 is movably nested in the vertical section. On section 312, when the screw moves upwards, the movable clip is driven to move upward and clamped with the upper horizontal section. When the screw goes down, the movable clip slides down under the action of gravity. It is equipped with an I-shaped structure and sliding fit with the chute.

夹持装置夹持把手后的实际应用的动作为:扭矩扳手旋转接头帽11或外锥套12,即旋转接地夹把手21,压紧或松开母排或导线,同时可通过扭矩扳手监测接地夹夹持情况。The actual application action after the clamping device clamps the handle is: the torque wrench rotates the joint cap 11 or the outer cone sleeve 12, that is, rotates the grounding clamp handle 21, compresses or loosens the busbar or wire, and at the same time monitors the grounding through the torque wrench Clip clamping situation.

实施例2,如图6所示,与实施例1的不同在于,导体夹和驱动结构的结构不同,其中,驱动结构包括杆体顶端的齿轮和与活动夹片连接的齿条,杆体转动驱动齿条滑动并带动活动夹片动作。具体的,活动夹片32呈Z型结构,包括上竖直段321、水平段322、下竖直段323,固定夹片31呈L型结构,水平段322及下竖直段323与固定夹片滑动配合。Embodiment 2, as shown in Figure 6, differs from Embodiment 1 in that the structure of the conductor clip and the drive structure is different, wherein the drive structure includes a gear at the top of the rod body and a rack connected to the movable clip, and the rod body rotates the drive gear The bar slides and drives the action of the movable clip. Specifically, the movable clip 32 is a Z-shaped structure, including an upper vertical section 321, a horizontal section 322, and a lower vertical section 323; the fixed clip 31 is an L-shaped structure, and the horizontal section 322 and the lower vertical section 323 are connected Sheets are slip fit.

Claims (5)

1. the auxiliary holding device of a high-voltage grounding wire clamp, it is characterized in that: comprise joint cap and tapered sleeve clamp assembly, the top of described joint cap is provided with through hole, and earthing clamp handle inserts joint cap by through hole, and earthing clamp handle clamps by described tapered sleeve clamp assembly.
2. the auxiliary holding device of a kind of high-voltage grounding wire clamp according to claim 1, it is characterized in that: described tapered sleeve clamp assembly comprises inner conical drogue and external conical sleeve, the endoporus of described external conical sleeve is provided with inner conical surface, the outer surface of described inner conical drogue is provided with male cone (strobilus masculinus), described male cone (strobilus masculinus) and inner conical surface are slidably matched, the endoporus of described joint cap is provided with internal thread, and the outer surface of described external conical sleeve is provided with external screw thread, and described internal thread engages with external screw thread.
3. the auxiliary holding device of a kind of high-voltage grounding wire clamp according to claim 2, is characterized in that: the outer surface of described external conical sleeve is for being provided with the pair of parallel tangential face of cylinder.
4. the auxiliary holding device of a kind of high-voltage grounding wire clamp according to claim 2, is characterized in that: the outer surface of described joint cap is for being provided with the pair of parallel tangential face of cylinder.
5. the auxiliary holding device of a kind of high-voltage grounding wire clamp according to claim 2, is characterized in that: described joint cap and external conical sleeve adopt carbon steel to make, and described inner conical drogue adopts polytetrafluoroethylene to make.
CN201520895107.7U 2015-11-11 2015-11-11 Supplementary clamping device of high pressure earth clamp Expired - Fee Related CN205069918U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108365354A (en) * 2018-02-05 2018-08-03 苏州研姿材料科技有限公司 A kind of double end cable connecting device
CN112713420A (en) * 2020-12-15 2021-04-27 罗予罡 Photoelectric engineering conductor jointer structure
CN113616030A (en) * 2020-11-02 2021-11-09 上海品兴医疗设备有限公司 Jack structure of hollow forming frame, manufacturing method and assembled insertion rod
CN114577382A (en) * 2022-04-07 2022-06-03 国网江苏省电力有限公司超高压分公司 Overhead line grounding wire sequential assembly and disassembly protection device and use method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108365354A (en) * 2018-02-05 2018-08-03 苏州研姿材料科技有限公司 A kind of double end cable connecting device
CN113616030A (en) * 2020-11-02 2021-11-09 上海品兴医疗设备有限公司 Jack structure of hollow forming frame, manufacturing method and assembled insertion rod
CN112713420A (en) * 2020-12-15 2021-04-27 罗予罡 Photoelectric engineering conductor jointer structure
CN114577382A (en) * 2022-04-07 2022-06-03 国网江苏省电力有限公司超高压分公司 Overhead line grounding wire sequential assembly and disassembly protection device and use method
CN114577382B (en) * 2022-04-07 2024-01-23 国网江苏省电力有限公司超高压分公司 Overhead line grounding wire sequential assembling and disassembling protection device and use method

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