CN111957859B

CN111957859B - Lead cutting tool

Info

Publication number: CN111957859B
Application number: CN202010788926.7A
Authority: CN
Inventors: 刘庭; 余光凯; 刘凯; 肖宾; 郑秋玮; 彭勇; 唐盼; 苏梓铭; 雷兴列; 蔡得龙; 张准; 郭璇
Original assignee: China Electric Power Research Institute Co Ltd CEPRI
Current assignee: China Electric Power Research Institute Co Ltd CEPRI
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2023-02-17
Anticipated expiration: 2040-08-07
Also published as: CN111957859A

Abstract

The invention provides a lead cutting tool, comprising: the tool comprises a tool body, a female connector and a power transmission mechanism, wherein the female connector is used for being matched with a male connector to form a universal interface; the tool body includes: the device comprises a first cutter, a second cutter, a screw rod nut, a first lead clamping jaw, a second lead clamping jaw, a third lead clamping jaw, a fourth lead clamping jaw, a push rod and a torsion spring; the power transmission mechanism comprises a transmission shaft, the transmission shaft is connected with a lead screw so as to drive the first cutter and the second cutter to cut, and meanwhile, under the action of the push rod and the torsion spring, the four lead clamping claws clamp the cut leads; the locking device has the advantages that the unlocking of the lead cutting tool and the tool bearing plate in the storing and taking process is realized, the self-locking of the lead cutting tool and the mechanical arm or the insulating rod can be realized, the tool is prevented from falling off, the firm locking and the power transmission of the lead cutting tool and the mechanical arm or the insulating rod are realized, and the hidden danger caused by the falling of the cut lead in the operation is prevented.

Description

Lead cutting tool

Technical Field

The invention relates to the field of live working, in particular to a lead cutting tool, and particularly relates to a lead cutting tool with a universal power interface convenient to replace and lock.

Background

The traditional manual live working is high in labor intensity, high in safety risk, severe in working environment, high in dependence degree on meteorological environment and high in altitude, high-risk and high-intensity operation. There are three main safety risks in traditional manual live working: the risk of falling at high altitude, wherein an operator needs to approach or enter a high-altitude operation position through a climbing pole or an insulating bucket arm vehicle; the high-voltage electric shock risk is that operators need to directly or indirectly contact the high-voltage electrified body through insulating equipment, and the personal safety is influenced by the insulating property of the equipment; the human error risk, the mental state, the physical health condition, the misoperation, the illegal operation and the like of the operating personnel can cause the operating personnel to violate the safety distance, thereby threatening the personal safety.

Therefore, in order to improve the power supply reliability and service level, guarantee the personal safety of operators, reduce the labor intensity of the operators, develop the deep application of the artificial intelligence technology in the field of live working, research out the robot suitable for distribution network overhaul live working and the operation specification thereof, become a necessary way for power supply enterprises to strengthen the construction of distribution network overhaul operation capacity, and the method is also an important means for realizing the intelligent overhaul of a power grid and promoting the construction of three types and two networks.

In order to research a standard system of 10kV distribution network live working, from the perspective of safety and working efficiency, main factors restricting the standardized development of robots or manual live working in each actual robot or manual live working project are analyzed, a distribution network live working robot or manual standard system is established, and a standard interface suitable for the robots or manual live working and a batch of terminal tools with the standard interfaces need to be designed.

At present, a large number of live working end tools exist in the prior art, but due to different regions and manufacturers, the market of the end tools is disordered, and a unified standard interface is not provided, so that in order to standardize the development of robots or manual live working, the resource waste caused by the non-unified interface is avoided, so that a universal interface of a robot arm or a manual tool and the end tools needs to be developed, because a mechanical arm or an insulating rod used manually is in the tool table storing and taking process, the tool has a certain falling risk, and in order to prevent the tool from falling, the interface needs to meet the normal connecting capacity of the mechanical arm or the insulating rod and the end tools and also meet the unlocking and/or self-locking capacity in the storing and taking process.

Disclosure of Invention

In order to solve the technical problem, the invention adopts the following technical scheme:

a lead cutting tool comprising: the tool comprises a tool body, a female connector and a power transmission mechanism, wherein the female connector is used for being matched with a male connector to form a universal interface; the tool body includes: the lead screw, the lead screw nut, the cutter, the lead wire clamp holder and the hinge shaft; the cutting knife comprises a first cutting knife and a second cutting knife; the screw rod is provided with a smooth section, a threaded section and a limiting end; the power transmission mechanism comprises a transmission shaft, and the transmission shaft is connected with the smooth section of the lead screw; the screw nut is matched with the thread section of the screw; the first cutter comprises a first cutter head section and a first cutter handle section, the second cutter comprises a second cutter head section and a second cutter handle section, the screw nut is hinged with one end of the second cutter handle section, one end of the first cutter handle section is hinged with the female joint, a first shaft hole is formed in the connecting position of the first cutter handle section and the first cutter head section, a second shaft hole is formed in the connecting position of the second cutter handle section and the second cutter head section, and a notch is formed between the first cutter head section and the second cutter head section; the lead clamping device comprises a lead clamping jaw, a fixing column, a push rod and a torsion spring, the lead clamping jaw comprises a first lead clamping jaw, a second lead clamping jaw, a third lead clamping jaw and a fourth lead clamping jaw, the fixing column comprises a first fixing column, a second fixing column, a third fixing column and a fourth fixing column, a third shaft hole and a fourth shaft hole are respectively formed in the middle parts of the first lead clamping jaw and the second lead clamping jaw, a fifth shaft hole and a sixth shaft hole are respectively formed in one end of the third lead clamping jaw and one end of the fourth lead clamping jaw, and the hinge shaft penetrates through the first shaft hole, the second shaft hole, the third shaft hole, the fourth shaft hole, the fifth shaft hole and the sixth shaft hole to enable the first cutter, the second cutter, the first lead clamping jaw, the second lead clamping jaw, the third lead clamping jaw and the fourth lead clamping jaw to be hinged and fixed; one end of each of the first lead clamping claw and the second lead clamping claw is fixedly connected with the push rod respectively, and the push rods are abutted to the first cutter handle section and the second cutter handle section respectively; the other ends of the first lead clamping jaw, the second lead clamping jaw, the third lead clamping jaw and the fourth lead clamping jaw respectively form a lead clamping groove, the first lead clamping jaw and the third lead clamping jaw are fixedly connected through the first fixing column and the third fixing column, the second lead clamping jaw and the fourth lead clamping jaw are fixedly connected through the second fixing column and the fourth fixing column, the first lead clamping jaw and the second lead clamping jaw form a first lead clamping unit, the third lead clamping jaw and the fourth lead clamping jaw form a second lead clamping unit, the torsion spring is arranged between the first lead clamping unit and the second lead clamping unit and penetrates through the hinge shaft, one end of the torsion spring is fixedly connected with the first fixing column, and the other end of the torsion spring is fixedly connected with the second fixing column.

Further, the male connector includes: plug portion and first connecting portion, the first holding chamber that link up from top to bottom has been seted up in the male joint, plug portion includes two lateral walls at least.

Further, the female joint includes: the plug connector comprises a receiving portion, a second connecting portion and a clamping groove, wherein a second containing cavity is formed in the receiving portion and used for containing the plug portion, the clamping groove is formed in the second connecting portion, a third containing cavity is formed in the second connecting portion, and the third containing cavity is communicated with the second containing cavity.

Further, the universal interface further comprises: the tool bearing plate, the unlocking mechanism and the self-locking mechanism; the tool bearing plate is provided with a tool bayonet and an inclined rail, the tool bayonet is in sliding fit with the clamping groove, and the inclined rail is provided with an inclined plane and a plug pin hole; the self-locking mechanism comprises: a male connector positioning hole formed in the side wall of the plug part of the male connector, a through hole formed in the side wall of the receiving part of the female connector, an inclined rail roller, a female connector self-locking pin, an extension spring and a spring positioning bolt; the unlocking mechanism comprises an unlocking bolt, a pin, an unlocking spring and a wedge-shaped sliding groove formed in the side wall of the plug part of the male connector.

Further, the female joint self-locking pin penetrates through the through hole, and the inclined rail roller and the spring positioning bolt are arranged on the part, outside the side wall of the receiving part, of the female joint self-locking pin; one end of the extension spring is connected with the spring positioning bolt, and the other end of the extension spring is connected with the side wall of the receiving part; the inclined rail roller is arranged at the upper part of the female joint self-locking pin, and the spring positioning bolt is arranged at the lower part of the female joint self-locking pin and is opposite to the inclined rail roller; the inclined plane is arranged at one end of the inclined rail and is in sliding fit with the inclined rail roller.

Further, still be provided with on female joint's the receiving part lateral wall and hold the unblock bolt with the first cavity of unblock spring, and hold the second cavity that the pin removed, the pin set up in on the unblock bolt, and pin axis perpendicular to unblock bolt axis, unblock spring one end is connected unblock bolt, other end butt the first cavity seal end, the unblock bolt can stretch out the open end of first cavity and stretch into in the inclined rail the bolt hole.

Further, the power transmission mechanism includes: a first power transmission mechanism; the first power transmission mechanism comprises a rotating head arranged at the upper end.

Further, the power transmission mechanism includes: a second power transmission mechanism; the second power transmission mechanism comprises a shaft sleeve, the transmission shaft and the positioning bearing, a key groove is formed in the side wall of the shaft sleeve in the axial direction, a rotating groove is formed in the lower portion of the shaft sleeve, a connecting key is arranged on the side wall of the transmission shaft, the connecting key is in sliding fit with the key groove, and a reset spring is arranged at the bottom end of the shaft sleeve.

Further, the lateral wall of plug portion is four, the lateral wall of receiving portion is four.

Furthermore, two clamping grooves are formed in the outer side wall of the second connecting portion.

Has the advantages that: the lead cutting tool with the universal power interface convenient to replace and lock not only meets the normal connection capacity and power transmission capacity of the mechanical arm or the insulating rod and the lead cutting tool, but also meets the self-locking of the lead cutting tool and the mechanical arm or the insulating rod when the lead cutting tool is unlocked with the tool bearing plate in the storing and taking process, prevents the tool from falling off, realizes the firm locking and power transmission of the lead cutting tool and the mechanical arm or the insulating rod, and is convenient for a robot or manual live working. In addition, the lead cutting tool is provided with a lead clamp, which can clamp the cut lead and prevent the hidden trouble caused by the falling of the cut lead in the operation.

Other advantages of the present invention will be described in the detailed description, and those skilled in the art will understand the technical features and technical solutions presented in the description.

Drawings

Preferred embodiments according to the present invention will be described below with reference to the accompanying drawings. In the figure:

FIG. 1: the side view section structure schematic diagram of the universal interface under the state that the male joint and the female joint are separated;

FIG. 2: the side view section structure schematic diagram of the general interface in the state that the male connector is inserted into the female connector;

FIG. 3: a schematic view of a cross-sectional structure of a general interface viewed from above when a male connector is inserted into a female connector;

FIG. 4 is a schematic view of: the installation schematic diagram of the universal interface and the tool bearing plate;

FIG. 5: a schematic diagram of a side-view cross-sectional structure of a male connector of the universal interface;

FIG. 6: a schematic view of a cross-sectional structure of a male connector of the universal interface from above;

FIG. 7 is a schematic view of: a schematic side view cross-sectional structure of a female connector of the universal interface;

FIG. 8: a schematic view of a bottom cross-sectional structure of a female connector of the universal interface;

FIG. 9: the schematic side-view cross-sectional structure of another male connector of the universal interface;

FIG. 10: a schematic view of a cross-sectional structure of another male connector of the universal interface from above;

FIG. 11: the side view section structure schematic diagram of another female joint of the universal interface;

FIG. 12: another female joint of the universal interface is a schematic view of the bottom cross-sectional structure;

FIG. 13: the first structural schematic diagram of a lead cutting tool with a universal interface;

FIG. 14: a second structural schematic diagram of a lead cutting tool with a universal interface;

FIG. 15: a front view structure schematic diagram of a lead cutting tool with a universal interface;

FIG. 16: the bottom view structure of the lead cutting tool with the universal interface is shown schematically.

Detailed Description

The specific structure of the universal interface and the end tool having the same will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-12, the universal interface includes: a male connector 10, a female connector 20, and a carrier plate 30. The male connector 10 includes: the male connector 10 comprises a plug part 101 and a first connecting part 102, wherein a first accommodating cavity 103 which is through up and down is formed in the male connector 10, and the plug part 101 at least comprises two side walls. The female joint 20 includes: the plug connector comprises a receiving portion 201, a second connecting portion 202 and a clamping groove 203, wherein a second accommodating cavity 204 is formed in the receiving portion 201 and used for accommodating the plug portion 101, the clamping groove 203 is formed in the second connecting portion 202, a third accommodating cavity 205 is formed in the second connecting portion 202, and the third accommodating cavity 205 is communicated with the second accommodating cavity 204. The tool carrier plate 30 has a tool mount 301 and a ramp 302, the tool mount 301 is slidably engaged with the card slot 203, the ramp 302 has an inclined surface and a plug hole 303, and the ramp 302 is disposed at a lower portion of the tool carrier plate 30. Preferably, two locking grooves 203 are arranged on the outer side wall of the second connecting portion 202, and the locking grooves 203 are in sliding fit with the inner edge of the tool bayonet 301. Preferably, the number of the sidewalls of the plug portion may be four, and the number of the sidewalls of the receiving portion may be four.

Still include a self-locking mechanism, self-locking mechanism includes: a male connector positioning hole 104 formed in the side wall of the plug part 101 of the male connector 10, a through hole 206 formed in the side wall of the receiving part of the female connector 20, a ramp roller 207, a female connector self-locking pin 208, an extension spring 209 and a spring positioning bolt 210; a female joint self-locking pin 208 penetrates through the through hole 206, a part of the female joint self-locking pin 208, which is positioned outside the side wall of the receiving part, is provided with a ramp roller 207 and a spring positioning bolt 210, one end of an extension spring 209 is connected with the spring positioning bolt 201, and the other end of the extension spring is connected with the side wall of the receiving part; the inclined rail roller 207 is arranged at the upper part of the female joint self-locking pin 208, and the spring positioning bolt 210 is arranged at the lower part of the female joint self-locking pin 208 and is opposite to the inclined rail roller 207; the inclined surface is arranged at one end of the inclined rail 302 and is in sliding fit with the inclined rail roller 207; when the plug portion 101 of the male connector 10 is completely inserted into the receiving portion 201 of the female connector 20, the male connector positioning hole 104 corresponds to the through hole 206. Preferably, a limiting groove 2081 is formed in the female connector self-locking pin 208, a limiting column 2082 is arranged in the side wall of the female connector receiving portion, and one end of the limiting column 2082 extends into the through hole 206 to be matched with the limiting groove 2081, so as to limit the moving distance of the female connector self-locking pin 208 in the through hole 206.

Still include an unlocking mechanism, unlocking mechanism includes: the unlocking bolt 211, the pin 212 and the unlocking spring 213 of the female connector 20 and the wedge-shaped sliding groove 105 formed on the side wall of the plug part 101 of the male connector 10; the opening of the wedge-shaped chute 105 is gradually increased from bottom to top; the side wall of the receiving part of the female joint 20 is further provided with a first cavity 214 for accommodating an unlocking bolt 211 and an unlocking spring 213 and a second cavity 215 for accommodating the movement of the pin 212, the pin 212 is arranged on the unlocking bolt 211, the axis of the pin is perpendicular to the axis of the unlocking bolt, one end of the unlocking spring 213 is connected with the unlocking bolt 211, the other end of the unlocking spring 213 is abutted against the sealed end of the first cavity 214, and the unlocking bolt 211 can extend out of the open end of the first cavity 214 and extend into a bolt hole 303 of the inclined rail 302; a bolt hole 303 is arranged at the other end of the inclined rail 302 and is used for the unlocking bolt 311 to extend into; the wedge-shaped sliding groove 105 on the plug part 101 of the male connector 10 is in sliding fit with the pin 212, and the pin 212 is driven by the wedge-shaped sliding groove 105 to move along with the insertion of the male connector plug part 101 into the female connector receiving part 201, and simultaneously drives the unlocking latch 211 to move so as to be separated from the latch hole 303 on the inclined rail 302, so that the female connector 20 is unlocked from the tool bearing plate 30. Preferably, the receiving portion of the female connector has a side wall formed with a guide groove for guiding the pin 212.

Further includes a power transmission mechanism 40, which includes: the first power transmission mechanism 41 and the second power transmission mechanism 42 are arranged in the first accommodating cavity 103, the first power transmission mechanism 41 comprises a driving shaft, the driving shaft is in sliding fit with the inner wall of the first accommodating cavity 103, the upper end of the driving shaft is a rotating head 411, the first connecting portion 102 is provided with a driving interface 106 and an operating interface 107, the driving interface 106 is connected with a driving mechanism (such as a motor), the operating interface 107 is connected with a mechanical arm or an insulating rod, the operating interface 107 is positioned at the bottom of the first connecting portion 102, the driving interface 106 is positioned at the side of the first connecting portion 102, and the power output end of the driving mechanism extends into the first connecting portion 102 to be in power connection with the driving shaft; a third accommodating cavity 205 communicated with the second accommodating cavity 204 is arranged in the second connecting part 202 of the female joint 20, a second power transmission mechanism 42 is arranged in the third accommodating cavity 205, the second power transmission mechanism 42 comprises a shaft sleeve 421, a transmission shaft 422 and a positioning bearing 423, a key groove 424 axially arranged on the side wall of the shaft sleeve 421, a rotating groove 425 is arranged at the lower part of the shaft sleeve 421, a connecting key 426 is arranged on the side wall of the transmission shaft 422, the connecting key 426 is in sliding fit with the key groove 424, a return spring 427 is arranged at the inner bottom end of the shaft sleeve 421, the lower end of the return spring 427 abuts against the inner bottom surface of the shaft sleeve, and the upper end of the return spring 427 abuts against the lower end surface of the transmission shaft 422; the rotating groove 425 is connected with the rotating head 411 in a matching way for transmission. Preferably, the rotator head 411 is a cross key; the rotation groove 425 is a cross groove.

Also included is a communication transmission mechanism 50, which includes: the first communication transmission mechanism 51 and the second communication transmission mechanism 52, wherein the first communication transmission mechanism 51 is accommodated in the first accommodating cavity 103, the second communication transmission mechanism 52 is accommodated in the second accommodating cavity 204 and/or the third accommodating cavity 205, and a plurality of pins are arranged on the first communication transmission mechanism 51; the second communication transmission mechanism 52 is provided with a plurality of pins corresponding to the plurality of pins on the first communication transmission mechanism one to one, and the plurality of pins are a TX pin, a GND pin, an RX pin, and a VCC pin, respectively.

The working process of replacing and locking the universal interface is as follows:

when the end tool is used, firstly, the plug part 101 of the male connector is inserted into the receiving part 201 of the female connector, the wedge-shaped chute 105 extends into the second accommodating cavity 204 of the receiving part along with the insertion of the plug part, the pin 212 moves in the second cavity 215 under the guidance of the wedge-shaped chute 105, and simultaneously drives the unlocking pin 211 to move in the first cavity 214, so that the unlocking pin 211 is gradually separated from the pin hole 303 on the inclined rail 302, when the plug part 101 of the male connector is completely inserted into the receiving part 201 of the female connector, the male connector positioning hole 104 corresponds to the through hole 206, the unlocking pin 211 is completely separated from the pin hole 303, and the female connector 20 and the tool bearing plate 30 complete unlocking; then, gradually moving the female connector 20 towards the outside of the tool bayonet 301, and moving the ramp roller 207 along the inclined surface of the ramp 302 under the action of the tension spring to gradually disengage from the blocking of the ramp 302; meanwhile, the female connector self-locking pin 208 moves into the male connector positioning hole 104 along with the movement of the ramp roller 207, when the female connector 20 is completely moved out of the tool bayonet 301, the ramp roller 207 is completely separated from the ramp 302 and the female connector self-locking pin 208 is inserted into the male connector positioning hole 104, so that the male connector 10 and the female connector 20 complete self-locking.

After the end tool is used, aligning the locking groove 203 on the second connecting portion 202 of the female connector 20 with the tool bayonet 301, gradually moving the female connector 20 into the tool bayonet 301, guiding the ramp roller 207 by the ramp inclined surface to overcome the pulling force of the tension spring 209, so that the female connector self-locking pin 208 gradually disengages from the male connector positioning hole 104, when the female connector 20 is completely locked into the tool bayonet 301, the female connector self-locking pin 208 completely disengages from the male connector positioning hole 104, the male connector 10 and the female connector 20 release self-locking, and the unlocking pin 211 aligns with the pin insertion hole 303 of the ramp; then, the pin 212 is gradually released from the restriction of the wedge-shaped sliding groove 105 by moving the male connector downward, so that the unlocking pin 211 is gradually moved toward the pin hole 303 of the ramp by the unlocking spring 213, and when the male connector 10 is completely moved out of the female connector 20, the unlocking pin 211 is inserted into the pin hole 303, thereby locking the female connector 20 with the tool carrier plate 30.

Further, a general power interface or a general communication interface is formed by providing the power transmission mechanism 40 or the communication transmission mechanism 50 in the general interface, respectively. When the power transmission mechanism 40 is arranged, when the male connector 10 and the female connector 20 complete self-locking, the first power transmission mechanism 41 is in transmission connection with the second power transmission mechanism 42; specifically, the rotating head 411 disposed at the upper end of the first power transmission mechanism 41 is in transmission fit with the rotating groove 425 at the lower portion of the shaft sleeve 421 in the second power transmission mechanism 42. When the communication transmission mechanism 50 is set, when the male connector 10 and the female connector 20 complete self-locking, the first communication transmission mechanism 51 and the second communication transmission mechanism 52 are connected in a communication manner.

A live end tool with a universal interface comprising: a lead cutting tool, a clamping tool, a bolt tightening tool, an insulation recovery tool, a manual stripping tool, and a wire clamp installation tool.

As shown in fig. 13 to 16, the wire cutting tool 60 includes: the tool comprises a tool body, a female connector and a power transmission mechanism, wherein the female connector is used for being matched with a male connector to form a universal interface; preferably, the universal interface further comprises the aforementioned tool carrier plate 30, unlocking mechanism and self-locking mechanism; the tool body includes: a lead screw 601, a lead screw nut 602, a cutter 603, a lead wire holder 604, and a hinge shaft 626; the cutters 603 comprise a first cutter 605 and a second cutter 606; the lead screw 601 comprises a smooth section, a threaded section and a limiting end 607; the power transmission mechanism 40 comprises a transmission shaft 422, and the transmission shaft 422 is connected with the smooth section of the lead screw 601; the lead screw nut 602 is matched with a threaded section of the lead screw 601, the first cutter 605 comprises a first cutter head section 608 and a first cutter handle section 609, the second cutter 606 comprises a second cutter head section 610 and a second cutter handle section 611, the lead screw nut 602 is hinged with one end of the second cutter handle section 611, one end of the first cutter handle section 609 is hinged with the female joint 20, a first shaft hole 612 is formed in the connecting position of the first cutter handle section 609 and the first cutter head section 608, a second shaft hole 613 is formed in the connecting position of the second cutter handle section 611 and the second cutter head section 610, and a notch is formed between the first cutter head section 608 and the second cutter head section 610; the lead clamping device 604 comprises lead clamping claws, fixing columns, a push rod 627 and a torsion spring 628, wherein the lead clamping claws comprise a first lead clamping claw 614, a second lead clamping claw 615, a third lead clamping claw 616 and a fourth lead clamping claw 617, the fixing columns comprise a first fixing column 618, a second fixing column 619, a third fixing column 620 and a fourth fixing column 621, the middles of the first lead clamping claw 614 and the second lead clamping claw 615 are respectively provided with a third shaft hole 622 and a fourth shaft hole 623, one ends of the third lead clamping claw 616 and the fourth lead clamping claw 617 are respectively provided with a fifth shaft hole 624 and a sixth shaft hole 625, and a hinge 626 penetrates through the first shaft hole 612, the second shaft hole 613, the third shaft hole 622, the fourth shaft hole 623, the fifth shaft hole 624 and the sixth shaft hole 625 to fixedly hinge the first cutter 605, the second cutter 606, the first lead clamping claw 614, the second lead clamping claw 615, the third lead clamping claw 616 and the fourth lead clamping claw 617 in a hinged mode; one end of each of the first lead clamping claw 614 and the second lead clamping claw 615 is fixedly connected with a push rod 627, and the push rods 627 are abutted against the first handle section 609 and the second handle section 611 respectively; the other ends of the first lead clamping claw 614 and the second lead clamping claw 615 form a lead clamping groove, the other ends of the third lead clamping claw 617 and the fourth lead clamping claw 618 form a lead clamping groove, the first lead clamping claw 614 and the third lead clamping claw 616 are fixedly connected through a first fixing column 618 and a third fixing column 620, the second lead clamping claw 615 and the fourth lead clamping claw 617 are fixedly connected through a second fixing column 619 and a fourth fixing column 621, the first lead clamping claw 614 and the second lead clamping claw 615 form a first lead clamping unit, the third lead clamping claw 616 and the fourth lead clamping claw 617 form a second lead clamping unit, a torsion spring 628 is arranged between the first lead clamping unit and the second lead clamping unit, the torsion spring 628 is arranged on a hinge 626 in a penetrating manner, one end of the torsion spring 628 is fixedly connected with the first fixing column 618, and the other end of the torsion spring is fixedly connected with the second fixing column 619.

It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.

It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.

Claims

1. A wire cutting tool (60), comprising: a tool body, a female joint (20) and a power transmission mechanism (40); the female connector (20) is used for being matched with the male connector (10) to form a universal interface; the tool body includes: the lead screw comprises a lead screw (601), a lead screw nut (602), a cutting knife (603), a lead wire holder (604) and a hinge shaft (626); the cutters (603) comprise a first cutter (605) and a second cutter (606); the lead screw (601) is provided with a smooth section, a threaded section and a limiting end (607); the power transmission mechanism (40) comprises a transmission shaft (422), and the transmission shaft (422) is connected with the smooth section of the screw rod; the lead screw nut (602) is matched with the threaded section of the lead screw; the first cutting knife (605) comprises a first cutting head section (608) and a first cutting handle section (609), the second cutting knife (606) comprises a second cutting head section (610) and a second cutting handle section (611), the lead screw nut (602) is hinged to one end of the second cutting handle section (611), one end of the first cutting handle section (609) is hinged to the female joint (20), a first shaft hole (612) is formed in the connecting position of the first cutting head section (609) and the first cutting head section (608), a second shaft hole (613) is formed in the connecting position of the second cutting handle section (611) and the second cutting head section (610), and a cut is formed between the first cutting head section (608) and the second cutting head section (610); the lead clamping device (604) comprises a lead clamping claw, a fixing column, a push rod (627) and a torsion spring (628), the lead clamping claw comprises a first lead clamping claw (614), a second lead clamping claw (615), a third lead clamping claw (616) and a fourth lead clamping claw (617), the fixing column comprises a first fixing column (618), a second fixing column (619), a third fixing column (620) and a fourth fixing column (621), a third shaft hole (622) and a fourth shaft hole (623) are respectively arranged in the middle of the first lead clamping claw (614) and the second lead clamping claw (615), a fifth shaft hole (624) and a sixth shaft hole (625) are respectively arranged at one end of the third lead clamping claw (616) and the fourth lead clamping claw (617), and the hinge shaft 626 penetrates through the first shaft hole (612), the second shaft hole (613), the third shaft hole (614), the fourth shaft hole (623), the fifth shaft hole (624) and the sixth shaft hole (625) to enable the first cutter (605), the second lead clamping claw (627) and the fourth cutter to clamp the lead clamping claw (606); one end of each of the first lead clamping claw (614) and the second lead clamping claw (615) is fixedly connected with a push rod (627), and the push rods (627) are abutted against the first handle section (609) and the second handle section (611); the other ends of the first lead clamping claw (614) and the second lead clamping claw (615) form a lead clamping groove, the other ends of the third lead clamping claw (616) and the fourth lead clamping claw (617) also form a lead clamping groove, the first lead clamping claw (614) and the third lead clamping claw (616) are fixedly connected through the first fixing column (618) and a third fixing column (620), the second lead clamping claw (615) and the fourth lead clamping claw (617) are fixedly connected through the second fixing column (619) and the fourth fixing column (621), the first lead clamping claw (614) and the second lead clamping claw (615) form a first lead clamping unit, the third lead clamping claw (616) and the fourth lead clamping claw (617) form a second lead clamping unit, the torsion spring (628) is arranged between the first lead clamping unit and the second lead clamping unit, the torsion spring (628) is arranged on the hinge shaft (626), and one end of the torsion spring (626) is fixedly connected with the first fixing column (619), and the other end of the torsion spring (628) is fixedly connected with the second fixing column (619);

the male connector (10) comprises: the plug connector comprises a plug part (101) and a first connecting part (102), wherein a first accommodating cavity (103) which is communicated up and down is formed in the male connector (10), and the plug part (101) at least comprises two side walls;

the female joint (20) includes: the plug connector comprises a receiving part (201), a second connecting part (202) and a clamping groove (203), wherein a second accommodating cavity (204) is formed in the receiving part (201) and used for accommodating the plug part (101), the clamping groove (203) is formed in the second connecting part (202), a third accommodating cavity (205) is formed in the second connecting part (202), and the third accommodating cavity (205) is communicated with the second accommodating cavity (204);

the generic interface further comprises: a tool bearing plate (30), an unlocking mechanism and a self-locking mechanism; the tool bearing plate (30) is provided with a tool bayonet (301) and an inclined rail (302), the tool bayonet (301) is in sliding fit with the clamping groove (203), and the inclined rail (302) is provided with an inclined surface and a plug pin hole (303); the self-locking mechanism comprises: a male connector positioning hole (104) formed in the side wall of the plug part of the male connector, a through hole (206) formed in the side wall of the receiving part of the female connector, an inclined rail roller (207), a female connector self-locking pin (208), an extension spring (209) and a spring positioning bolt (210), wherein the female connector self-locking pin (208) penetrates through the through hole (206), the inclined rail roller (207) and the spring positioning bolt (210) are arranged on the part, outside the side wall of the receiving part, of the female connector self-locking pin (208), one end of the extension spring (209) is connected with the spring positioning bolt (210), and the other end of the extension spring (209) is connected with the side wall of the receiving part; the inclined rail roller (207) is arranged at the upper part of the female joint self-locking pin (208), and the spring positioning bolt (210) is arranged at the lower part of the female joint self-locking pin (208) and is opposite to the inclined rail roller (207); the inclined surface is arranged at one end of the inclined rail (302) and is in sliding fit with the inclined rail roller (207); when the plug portion (101) of the male connector (10) is fully inserted into the receiving portion (201) of the female connector (20), the male connector positioning hole (104) corresponds to the through hole (206); the unlocking mechanism comprises an unlocking bolt (211), a pin (212), an unlocking spring (213) and a wedge-shaped sliding groove (105) formed in the side wall of the plug part of the male connector, wherein the opening of the wedge-shaped sliding groove (105) is gradually increased from bottom to top; the side wall of the receiving part of the female joint (20) is also provided with a first cavity (214) for accommodating an unlocking bolt (211) and an unlocking spring (213) and a second cavity (215) for accommodating a pin (212) to move, the pin (212) is arranged on the unlocking bolt (211), the axis of the pin is perpendicular to the axis of the unlocking bolt, one end of the unlocking spring (213) is connected with the unlocking bolt (211), the other end of the unlocking spring is abutted against the sealing end of the first cavity (214), and the unlocking bolt (211) can extend out of the opening end of the first cavity (214) and extend into a bolt hole (303) of the inclined rail (302); the bolt hole (303) is arranged at the other end of the inclined rail (302) and is used for the unlocking bolt (211) to extend into; the wedge-shaped sliding groove (105) on the plug part (101) of the male connector (10) is in sliding fit with the pin (212).

2. The wire cutting tool of claim 1, wherein the female connector self-locking pin (208) is disposed through the through hole (206), and wherein the ramp roller (207) and the spring locating pin (210) are disposed on a portion of the female connector self-locking pin (208) outside the receptacle sidewall; one end of the extension spring (209) is connected with the spring positioning bolt (210), and the other end of the extension spring is connected with the side wall of the receiving part; the inclined rail roller (207) is arranged at the upper part of the female joint self-locking pin (208), and the spring positioning bolt (210) is arranged at the lower part of the female joint self-locking pin (208) and is opposite to the inclined rail roller (207); the inclined surface is arranged at one end of the inclined rail (302) and is in sliding fit with the inclined rail roller (207).

3. The wire cutting tool according to claim 1 or 2, wherein a first cavity (214) for accommodating the unlocking bolt (211) and the unlocking spring (213) and a second cavity (215) for accommodating the pin (212) to move are further arranged on the side wall of the receiving part of the female joint, the pin (212) is arranged on the unlocking bolt (211), the pin axis is perpendicular to the unlocking bolt axis, one end of the unlocking spring (213) is connected with the unlocking bolt (211), the other end of the unlocking spring abuts against the sealed end of the first cavity (214), and the unlocking bolt (211) can extend out of the open end of the first cavity (214) and into the bolt hole (303) of the inclined rail (302).

4. The wire cutting tool of claim 1, wherein the power transmission mechanism (40) comprises: a first power transmission mechanism (41); the first power transmission mechanism (41) comprises a rotating head (411) arranged at the upper end.

5. The wire cutting tool of claim 1, wherein the power transmission mechanism (40) comprises: a second power transmission mechanism (42); the second power transmission mechanism (42) comprises a shaft sleeve (421), the transmission shaft (422) and a positioning bearing (423); the side wall of the shaft sleeve (421) is provided with a key groove (424) which is axially arranged, the lower part of the shaft sleeve (421) is provided with a rotating groove (425), the side wall of the transmission shaft (422) is provided with a connecting key (426), the connecting key (426) is in sliding fit with the key groove (424), and the inner bottom end of the shaft sleeve (421) is provided with a return spring (427).

6. The wire cutting tool of claim 1, wherein the number of sidewalls of the plug portion (101) is four and the number of sidewalls of the receiving portion (201) is four.

7. The wire cutting tool according to claim 1, wherein two of the slots (203) are provided on an outer side wall of the second connecting portion (202).