阅读说明：本技术 一种小型手握式接地线夹持工具 (Small-size hand-held type earth connection clamping tool ) 是由 余弦 陆江华 陆莉华 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种小型手握式接地线夹持工具,所述小型手握式接地线夹持工具包括连接绝缘杆、可旋转绝缘杆和夹持组件；连接绝缘杆的一端与可旋转绝缘杆连接并形成滑动腔室；滑动腔室的内部设置有与可旋转绝缘杆连接的铜螺母和活动丝杆；夹持组件包括固定夹座和活动夹座；固定夹座与连接绝缘杆连接,固定夹座的顶部设置有导线上夹爪,活动夹座上设置有导线下夹爪；活动丝杆与铜螺母配合,活动丝杆与活动夹座连接,导线下夹爪基于活动丝杆驱动朝向或背离导线上夹爪方向运动；固定夹座的一侧设置有接线鼻,接线鼻中连接有接地线。在本发明实施例中,所述小型手握式接地线夹持工具能快速挂装电路接地线,有效减少安装电路接地线的耗时。(The invention discloses a small-sized hand-held ground wire clamping tool, which comprises a connecting insulating rod, a rotatable insulating rod and a clamping assembly, wherein the connecting insulating rod is connected with the clamping assembly; one end of the connecting insulating rod is connected with the rotatable insulating rod to form a sliding chamber; a copper nut and a movable screw rod which are connected with the rotatable insulating rod are arranged inside the sliding chamber; the clamping assembly comprises a fixed clamping seat and a movable clamping seat; the fixed clamp seat is connected with the connecting insulating rod, the top of the fixed clamp seat is provided with a wire upper clamping jaw, and the movable clamp seat is provided with a wire lower clamping jaw; the movable screw rod is matched with the copper nut, the movable screw rod is connected with the movable clamping seat, and the lower clamping jaw of the lead moves towards or away from the upper clamping jaw of the lead based on the driving of the movable screw rod; one side of the fixed clamp seat is provided with a wiring nose, and a grounding wire is connected in the wiring nose. In the embodiment of the invention, the small handheld ground wire clamping tool can be used for quickly hanging the circuit ground wire, so that the time consumption for installing the circuit ground wire is effectively reduced.)

1. A small-sized hand-held grounding wire clamping tool is characterized by comprising a connecting insulating rod, a rotatable insulating rod and a clamping assembly;

one end of the connecting insulating rod is coaxially connected with the rotatable insulating rod through a connecting sheath to form a sliding chamber, and the rotatable insulating rod is rotatably arranged in the connecting sheath;

a copper nut and a movable screw rod are arranged inside the sliding chamber;

the copper nut is connected with the rotatable insulating rod;

the clamping assembly comprises a fixed clamping seat and a movable clamping seat; the bottom of the fixed clamp seat is connected with the other end of the connecting insulating rod, and the top of the fixed clamp seat is provided with a conducting wire upper clamping jaw; the movable clamping seat slides along the middle part of the fixed clamping seat, and a wire lower clamping jaw matched with the wire upper clamping jaw is arranged on the movable clamping seat;

one end of the movable screw rod is matched with the copper nut, the other end of the movable screw rod penetrates through the fixed clamping seat and is connected with the movable clamping seat, and the lower clamping jaw of the lead moves towards or away from the upper clamping jaw of the lead under the driving of the movable screw rod;

one side of the fixing clamp seat is provided with a wiring nose, and a grounding wire is connected in the wiring nose.

2. The small hand-held ground wire clamping tool according to claim 1, wherein a nut bushing is further provided inside the sliding chamber, the copper nut is connected to a bottom of the nut bushing, and the copper nut is connected to the rotatable insulating rod through the nut bushing;

a plurality of first thread jackscrews are arranged in the connecting sheath, one ends of the first thread jackscrews extend into the sliding chamber and are connected with the top of the nut bushing, and the nut bushing is connected with the connecting insulating rod through the first thread jackscrews.

3. The small-sized hand-held ground wire clamping tool according to claim 1, wherein a clamping assembly fixing seat is arranged at the top of the connection insulating rod, and the bottom of the fixing clamping seat is fixed on the clamping assembly fixing seat;

the clamping assembly fixing seat is internally provided with a first through hole matched with the movable screw rod, the fixed clamping seat is internally provided with a second through hole matched with the movable screw rod, and the other end of the movable screw rod penetrates through the first through hole and the second through hole and is connected with the movable clamping seat.

4. The small hand-held ground wire clamping tool according to claim 3, wherein a plurality of second threaded jackscrews are provided in the clamping assembly holder, and the clamping assembly holder is connected to the top of the connection insulating rod through the plurality of second threaded jackscrews.

5. The small-sized hand-held ground wire clamping tool according to claim 1, wherein the bottom of the movable clamping seat is provided with a movable screw rod connecting hole matched with the movable screw rod, and the other end of the movable screw rod is arranged in the movable screw rod connecting hole.

6. A small-sized hand-held ground wire clamping tool according to claim 1, wherein a movable clamping seat guide groove is provided in a middle portion of the fixed clamping seat, and the movable clamping seat slides along the movable clamping seat guide groove.

7. The small hand-held ground wire clamping tool according to claim 1, wherein the top end of the rotatable insulating rod is coaxially connected to one end of the connection insulating rod through the connection sheath, and the bottom end of the rotatable insulating rod is provided with a stopper.

8. A small-sized hand-held ground wire clamping tool according to claim 1, wherein one end of said wire connecting lug is connected to one side of said fixing holder, and the other end of said wire connecting lug is provided with a wire connecting circular hole in which said ground wire is connected.

9. A small hand-held ground wire clamping tool as defined in claim 1, wherein said lug is made of copper and said ground wire is a annealed copper wire.

10. The small handheld ground cord clamping tool of claim 1, wherein said connecting insulator rod and said rotatable insulator rod are made of glass reinforced epoxy.

Technical Field

The invention relates to the technical field of electric tools, in particular to a small-sized hand-held grounding wire clamping tool.

Background

With the development of cities and the renovation of electric equipment, the original 0.4kV grounding wire is only suitable for low-voltage lines, part of rod-type transformers are gradually developed towards box-type transformers in the beautifying project of the city at present, outgoing line switches in the box-type transformers are all air switches and the like, and the possibility of backward power transmission often exists in photovoltaic power generation.

The 0.4kV earth connection chuck that uses at present has the too big problem of volume, and the field operation space is narrow and small simultaneously, leads to installing the earth connection consuming time hard, can't effectively ground the circuit, in order to guarantee the safety of electric power production worker in the work of overhauing and improve the work efficiency who overhauls, needs to improve current earth connection chuck urgently.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a small handheld ground wire clamping tool which adopts a handheld spiral pressing mode, can be used for quickly hanging a circuit ground wire, reduces the time consumption for installing the circuit ground wire and improves the economic benefit.

Correspondingly, the embodiment of the invention provides a small-sized hand-held ground wire clamping tool, which comprises a connecting insulating rod, a rotatable insulating rod and a clamping assembly;

one end of the connecting insulating rod is coaxially connected with the rotatable insulating rod through a connecting sheath to form a sliding chamber, and the rotatable insulating rod is rotatably arranged in the connecting sheath;

a copper nut and a movable screw rod are arranged inside the sliding chamber;

the copper nut is connected with the rotatable insulating rod;

the clamping assembly comprises a fixed clamping seat and a movable clamping seat; the bottom of the fixed clamp seat is connected with the other end of the connecting insulating rod, and the top of the fixed clamp seat is provided with a conducting wire upper clamping jaw; the movable clamping seat slides along the middle part of the fixed clamping seat, and a wire lower clamping jaw matched with the wire upper clamping jaw is arranged on the movable clamping seat;

one end of the movable screw rod is matched with the copper nut, the other end of the movable screw rod penetrates through the fixed clamping seat and is connected with the movable clamping seat, and the lower clamping jaw of the lead moves towards or away from the upper clamping jaw of the lead under the driving of the movable screw rod;

one side of the fixing clamp seat is provided with a wiring nose, and a grounding wire is connected in the wiring nose.

In an optional embodiment, a nut bushing is further disposed inside the sliding chamber, the copper nut is connected to the bottom of the nut bushing, and the copper nut is connected to the rotatable insulating rod through the nut bushing;

a plurality of first thread jackscrews are arranged in the connecting sheath, one ends of the first thread jackscrews extend into the sliding chamber and are connected with the top of the nut bushing, and the nut bushing is connected with the connecting insulating rod through the first thread jackscrews.

In an optional implementation manner, a clamping assembly fixing seat is arranged at the top of the connecting insulating rod, and the bottom of the fixing clamping seat is fixed on the clamping assembly fixing seat;

the clamping assembly fixing seat is internally provided with a first through hole matched with the movable screw rod, the fixed clamping seat is internally provided with a second through hole matched with the movable screw rod, and the other end of the movable screw rod penetrates through the first through hole and the second through hole and is connected with the movable clamping seat.

In an optional implementation manner, a plurality of second threaded jackscrews are arranged in the clamping assembly fixing seat, and the clamping assembly fixing seat is connected with the top of the connecting insulating rod through the second threaded jackscrews.

In an optional implementation manner, a movable screw rod connecting hole matched with the movable screw rod is formed in the bottom of the movable clamping seat, and the other end of the movable screw rod is arranged in the movable screw rod connecting hole.

In an optional implementation mode, a movable clamping seat guide groove is formed in the middle of the fixed clamping seat, and the movable clamping seat slides along the movable clamping seat guide groove.

In an optional implementation manner, the top end of the rotatable insulating rod is coaxially connected with one end of the connecting insulating rod through the connecting sheath, and a plug is arranged at the bottom end of the rotatable insulating rod.

In an optional implementation mode, one end of the wiring lug is connected with one side of the fixing clamp seat, the other end of the wiring lug is provided with a wiring round hole, and the grounding wire is connected in the wiring round hole.

In an optional embodiment, the connection lug is made of copper, and the grounding wire is a soft copper wire.

In an optional embodiment, the connection insulating rod and the rotatable insulating rod are made of glass fiber reinforced plastic epoxy resin.

The embodiment of the invention provides a small handheld ground wire clamping tool, which adopts a handheld spiral pressing mode, can be used for quickly hanging a circuit ground wire and reducing the time consumption for installing the circuit ground wire, and has the advantages of small volume, light weight, convenience in placement and carrying, and the economic benefit is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic three-dimensional structure of a small hand-held ground wire clamping tool in a state to be operated according to an embodiment of the present invention;

FIG. 2 is a side view of a small hand-held ground wire gripping tool in an embodiment of the present invention in a ready-to-operate position;

fig. 3 is a side view of a small hand-held ground cord clamping tool in a clamped state in accordance with an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a schematic three-dimensional structure of a small-sized hand-held ground wire holding tool in a state of waiting for operation according to an embodiment of the present invention, fig. 2 is a side view of the small-sized hand-held ground wire holding tool in the state of waiting for operation according to the embodiment of the present invention, and fig. 3 is a side view of the small-sized hand-held ground wire holding tool in the state of holding according to the embodiment of the present invention.

The embodiment of the invention provides a small-sized hand-held ground wire clamping tool which comprises a connecting insulating rod 1, a rotatable insulating rod 2 and a clamping assembly 3.

Specifically, one end of the connecting insulating rod 1 is coaxially connected with the rotatable insulating rod 2 through a connecting sheath 4 to form a sliding chamber 5, and the rotatable insulating rod 2 is rotatably arranged in the connecting sheath 4.

Specifically, a copper nut 51 and a movable screw 52 are arranged inside the sliding chamber 5.

The copper nut 51 is connected with the rotatable insulating rod 2, and the copper nut 51 is driven by the rotatable insulating rod 2 to rotate.

The connection mode of the copper nut 51 and the rotatable insulating rod 2 can be various, in the embodiment of the present invention, a nut bushing 53 is further disposed inside the sliding chamber 5, the copper nut 51 is connected with the bottom of the nut bushing 53, the copper nut 51 is connected with the rotatable insulating rod 2 through the nut bushing 53, and the copper nut 51 is connected with the rotatable insulating rod 2 in this way; it should be noted that the nut bushing 53, on one hand, plays a role in connecting the copper nut 51 and the rotatable insulating rod 2, on the other hand, the nut bushing 53 plays a role in protecting the copper nut 51 from abrasion, and the nut bushing 53 can effectively reduce the abrasion of the copper nut 51 in the rotation process, thereby prolonging the service life of the copper nut 51.

In addition, a plurality of first threaded jackscrews 41 are arranged in the connecting sheath 4, one ends of the first threaded jackscrews 41 extend into the sliding chamber 5 and are connected with the top of the nut bushing 53, and the nut bushing 53 is connected with the connecting insulating rod 1 through the first threaded jackscrews 41. In the present embodiment, when the plurality of first threaded jackscrews 41 are in an unscrewed state, the rotatable insulating rod 2 may be rotated in the connection sheath 4; when the plurality of first threaded studs 41 are in a tightened state, the plurality of first threaded studs 41 fix the nut bushing 53, and the rotatable insulating rod 2 cannot rotate in the connecting sheath 4.

Specifically, the clamping assembly 3 comprises a fixed clamping seat 31 and a movable clamping seat 32; the bottom of the fixed clamp seat 31 is connected with the other end of the connecting insulating rod 1, and the top of the fixed clamp seat 31 is provided with a conducting wire upper clamping jaw 311; the movable clamping seat 32 slides along the middle part of the fixed clamping seat 31, and a lower wire clamping jaw 321 matched with the upper wire clamping jaw 311 is arranged on the movable clamping seat 32.

The movable clamping seat 32 can slide along the middle of the fixed clamping seat 31 in various ways, in the embodiment of the present invention, the middle of the fixed clamping seat 31 is provided with a movable clamping seat guide groove 313, and the movable clamping seat 32 slides along the movable clamping seat guide groove 313.

One end of the movable screw rod 52 is matched with the copper nut 51, the rotation of the copper nut 51 can be converted into the sliding of the movable screw rod 52 in the sliding chamber 5, the other end of the movable screw rod 52 passes through the fixed clamping seat 31 and is connected with the movable clamping seat 32, and the wire lower clamping jaw 321 moves towards or away from the wire upper clamping jaw 311 under the driving of the movable screw rod 52.

The other end of the movable screw 52 can be connected with the movable clamping seat 32 in various ways, in the embodiment of the present invention, a movable screw connecting hole 322 adapted to the movable screw 52 is formed at the bottom of the movable clamping seat 32, and the other end of the movable screw 52 is arranged in the movable screw connecting hole 322; it should be noted that, the other end of the movable screw 52 is disposed in the movable screw connecting hole 322, which can increase the connecting contact area between the movable screw 52 and the movable clamping seat 32, thereby increasing the transmission efficiency, and enabling the movable screw 52 to better drive the movable clamping seat 32.

In the embodiment of the present invention, a clamping assembly fixing seat 6 is disposed at the top of the connecting insulating rod 1, the bottom of the fixing clamping seat 31 is fixed on the clamping assembly fixing seat 6, and the clamping assembly fixing seat 6 plays a role in connecting the connecting insulating rod 1 and the clamping assembly 3.

The connection mode between the clamping component fixing seat 6 and the top of the connecting insulating rod 1 can be various, in the embodiment of the present invention, a plurality of second threaded jackscrews 62 are arranged in the clamping component fixing seat 6, and the clamping component fixing seat 6 is connected with the top of the connecting insulating rod 1 through the plurality of second threaded jackscrews 62; it should be noted that, adopt a plurality of second screw jackscrews 62 are connected centre gripping subassembly fixing base 6 with connect insulator spindle 1, can be right as required centre gripping subassembly fixing base 6 with connect the cooperation elasticity of insulator spindle 1 and adjust, have the installation dismantle, maintain the simple and convenient advantage of regulation.

A first through hole 61 adapted to the movable screw 52 is formed in the clamping assembly fixing seat 6, a second through hole 312 adapted to the movable screw 52 is formed in the fixed clamping seat 31, and the other end of the movable screw 52 passes through the first through hole 61 and the second through hole 312 and is connected to the movable clamping seat 32; the first through hole 61 and the second through hole 312 are disposed to ensure that the movable screw rod 52 always slides along the same straight line, and at the same time, the movable clamping seat 32 always slides along the same straight line, so as to facilitate clamping.

In the embodiment of the invention, the top end of the rotatable insulating rod 2 is coaxially connected with one end of the connecting insulating rod 1 through the connecting sheath 4, the bottom end of the rotatable insulating rod 2 is provided with a plug 21, and the sliding chamber 5 is sealed through the plug 21, so that the movable screw rod 52 is prevented from being separated from the small-sized hand-held ground wire clamping tool.

Specifically, one side of the fixing holder 31 is provided with a wire connecting lug 7, a grounding wire 71 is connected in the wire connecting lug 7, and in the embodiment of the invention, the small-sized hand-held grounding wire clamping tool is grounded through the grounding wire 71.

In the embodiment of the invention, one end of the wire connecting lug 7 is connected with one side of the fixing clamp seat 32, the other end of the wire connecting lug 7 is provided with a wire connecting round hole 72, and the grounding wire 71 is connected in the wire connecting round hole 72; the grounding wire 71 is connected in the wiring round hole 72, so that the connection contact area between the grounding wire 71 and the wiring lug 7 can be increased, the small hand-held grounding wire clamping tool can be effectively grounded, and the safety of power production workers in maintenance work can be ensured.

Preferably, the material of wiring nose 7 is copper, earth connection 71 is the annealed copper wire, and copper has fine electric conductive property, can guarantee small-size hand-held type earth connection clamping tool's ground connection effect guarantees the safety of electric power production worker in maintenance work.

Preferably, the connecting insulating rod 1 and the rotatable insulating rod 2 are made of glass fiber reinforced plastic epoxy resin, and the glass fiber reinforced plastic epoxy resin has good insulating property, so that the safety of power production workers in maintenance work can be ensured; moreover, glass steel epoxy has mechanical properties good, the corrosion resistance is strong and the advantage that the price is low, can effectively improve connect insulator spindle 1 with rotatable insulator spindle 2's life reduces connect insulator spindle 1 with rotatable insulator spindle 2's manufacturing cost.

The embodiment of the invention provides a small handheld ground wire clamping tool, which comprises the following working processes: unscrewing said first plurality of threaded studs 41, leaving said first plurality of threaded studs 41 in an unscrewed state, so that said rotatable insulating rod 2 can rotate in said connection jacket 4; the rotatable insulating rod 2 is rotated to drive the copper nut 51 to rotate, the movable screw rod 52 is enabled to move linearly upwards through the matching of the copper nut 51 and the movable screw rod 52, the movable screw 52 drives the wire lower jaw 321 of the movable holder 32 to move towards the wire upper jaw 311, when the movable clamping base 32 is operated to the upper stroke end, the first screw-thread jackscrews 41 are tightened, so that the plurality of first screw-thread jackscrews 41 are in a tightened state, at which time the rotatable insulating rod 2 cannot be rotated any more, so as to position the movable screw rod 52, and at this time, a fixing part matched with the circuit grounding wire is formed between the wire lower clamping jaw 321 and the wire upper clamping jaw 311, thereby fixing a circuit grounding wire which is grounded through the wiring lug 7 and the annealed copper wire, and ensuring the safety of power production workers in the maintenance work; after the overhaul work is finished, the first thread jackscrews 41 are unscrewed, so that the first thread jackscrews 41 are in an unscrewed state, the rotatable insulating rod 2 rotates to drive the copper nut 51 to rotate, the copper nut 51 is matched with the movable screw rod 52 to enable the movable screw rod 52 to move linearly downwards, the movable screw rod 52 drives the lower wire clamping jaw 321 of the movable clamping seat 32 to deviate from the upper wire clamping jaw 311 to move, and the circuit grounding wire can be loosened at the moment.

The embodiment of the invention provides a small handheld ground wire clamping tool, which adopts a handheld spiral pressing mode, can be used for quickly hanging a circuit ground wire and reducing the time consumption for installing the circuit ground wire, and has the advantages of small volume, light weight, convenience in placement and carrying, and the economic benefit is improved.

In addition, the above detailed description is provided for a small-sized hand-held ground wire clamping tool provided by the embodiment of the present invention, and a specific example is used herein to explain the principle and the embodiment of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.