An electric power fitting with induction function to prevent cable from loosening and its use method

Abstract

The present invention relates to an electric power fitting with an induction function to prevent the loosening of a cable and a method for using the same, and relates to the technical field of electric power fittings, including an upper clamping plate, a lower clamping plate, a puncture mechanism, a fixing bolt, a nut, a sensing mechanism and a locking mechanism, wherein the fixing bolt passes through the upper clamping plate and the lower clamping plate and is connected to the nut; the puncture mechanism is used to puncture the wire; the sensing mechanism is used to sense whether the connection between the wire and the puncture mechanism is loose; a first slide groove is provided on the upper clamping plate, and the locking mechanism includes a locking member and a first elastic member, the locking member is slidably arranged in the first slide groove, and is used to limit the rotation of the fixing bolt, and the first elastic member is arranged in the first slide groove, and is used to provide a force for the locking member to abut against the bolt head. After the puncture mechanism is punctured and fixed by the fixing bolt and two wires are connected, the locking mechanism can prevent the fixing bolt from rotating and loosening when it is vibrated, and can enable the puncture mechanism to maintain the degree of clamping of the two wires, thereby reducing the possibility of the wires loosening.

Description

Technical Field

[0001] The invention relates to the technical field of electric power fittings, in particular to an electric power fitting with an induction function for preventing a cable from being loosened and a use method thereof. Background Art

[0002] In the construction of overhead power lines, when the cable needs to be branched or connected, it is necessary to use hardware to connect the two insulated wires together. Hardware is easy to install, low cost, safe, reliable and maintenance-free. There is no need to cut the main cable or strip the insulation layer of the cable to branch the cable. The joint is completely insulated and can be operated with power on. Branching can be done at any position of the cable. There is no need to use terminal boxes or distribution boxes. The joints are resistant to twisting, shockproof, waterproof, corrosion-resistant and aging-resistant. Using insulating hardware for cable branching has obvious comprehensive benefits and is more cost-effective than the traditional connection methods.

[0003] At present, a Chinese invention patent application with a publication date of June 4, 2024 and a publication number of CN118137173A proposes a piercing wire clamp, including an upper shell and a lower shell, a piercing body is arranged in the first wire groove and the second wire groove, and the first piercing body and the second piercing body have a clamping claw that locks the wire under the action of rotation at one end facing the incoming wire side, and the clamping claw is distributed in the circumferential direction of the first piercing body and the second piercing body. The clamping claw is provided with a spike for piercing the wire, and the piercing wire clamp also includes a driving member that drives the clamping claw to pierce the wire, and the driving member enters the first wire groove and the second wire groove, so that the clamping claws approach each other under the action of rotation, and drive the spike to pierce the wire to achieve power supply. In this invention, by setting a piercing body and a driving member, when the driving member is a rotating body, the fixing of the wire is achieved by the rotation of the rotating body and the clamping claw, and it only needs to be rotated by the rotating body, which is convenient to operate. In addition, the method of driving the body is adopted to realize the gathering of the clamping claws to pierce the wire, which has the advantage of convenient operation.

[0004] However, in the above-mentioned puncture wire clamp, the clamping claws are contracted and the wire is punctured and fixed by rotating the rotating body, and the rotating body is transmission-connected with the upper shell and the lower shell by threads. After the puncture wire clamp is subjected to long-term vibration, the threaded connection between the rotating body and the upper shell and the lower shell is easy to loosen, so that the connection between the wire and the puncture wire clamp is loosened, which may cause the wire to loosen, and the reliability of the puncture wire clamp is not high. Summary of the invention

[0005] In order to solve the problem in the related art that the wire of the piercing wire clamp is easily loosened after being vibrated for a long time, the present invention provides an electric power fitting with an induction function to prevent the cable from loosening and a use method thereof.

[0006] In the first aspect, the present invention provides an electric power fitting with an induction function to prevent a cable from being loosened, and the electric power fitting with an induction function to prevent a cable from being loosened comprises an upper clamping plate, a lower clamping plate, a puncture mechanism, a fixing bolt, a nut and an induction mechanism, wherein the fixing bolt is sequentially passed through the upper clamping plate and the lower clamping plate and is threadedly connected to the nut; a space for clamping a wire is formed between the upper clamping plate and the lower clamping plate; the puncture mechanism is arranged on the upper clamping plate and the lower clamping plate, and is used to puncture the wire; the induction mechanism is used to sense whether the connection between the wire and the puncture mechanism is loose;

[0007] Among them, a first slide groove is opened on the side of the upper clamping plate facing away from the lower clamping plate, and the electrical hardware also includes a locking mechanism, which includes a locking piece and a first elastic piece. The locking piece is slidably arranged in the first slide groove, and the locking piece is used to abut against the side of the bolt head of the fixing bolt facing the upper clamping plate to limit the rotation of the fixing bolt. The first elastic piece is arranged in the first slide groove and abuts against the side of the locking piece facing away from the bolt head, so as to provide a force for the locking piece to abut against the bolt head.

[0008] The above-mentioned technical scheme in the embodiment of the present application has at least the following technical effects: when using an electrical fitting to connect two wires, the two wires are respectively inserted between the upper clamp and the lower clamp to install the wires, and then the fixing bolt is turned clockwise, the fixing bolt and the nut approach and press down the upper clamp to make the upper clamp and the lower clamp approach each other, and the puncture mechanism begins to puncture the two wires. As the upper clamp and the lower clamp approach, the puncture mechanism completes the puncture connection and fixation of the two wires, and then the fixing bolt is stopped. The first elastic member keeps the locking member in contact with the head of the fixing bolt, thereby preventing the fixing bolt from rotating, so that the puncture mechanism maintains the clamping degree of the two wires and reduces the possibility of the wires loosening.

[0009] In some embodiments, the electrical fitting further includes an unlocking component, which is disposed on the upper clamping plate and is used to separate the locking member from the bolt head to unlock the locking member.

[0010] In some embodiments, the locking member includes a sliding ring and a locking portion, the first elastic member includes a first spring, the first spring is arranged inside the first sliding groove and its top abuts against the bottom of the sliding ring, and the locking portion is arranged at the top of the sliding ring for locking the fixing bolt.

[0011] In some embodiments, a washer is fixedly provided on one side of the head of the fixing bolt relative to the upper clamping plate, and the locking portion includes a plurality of first locking teeth and a plurality of second locking teeth, wherein the first locking teeth are arranged in an annular array at the top of the sliding ring, and the second locking teeth are arranged in an annular array at the bottom of the washer, and an arc surface is provided at one end of the first locking tooth and an arc surface is provided at one end of the second locking tooth, and an end of the first locking tooth with an arc surface abuts against an end of the second locking tooth with an arc surface;

[0012] The unlocking component is symmetrically arranged with two groups, and the top of the upper clamping plate is provided with a second sliding groove and a third sliding groove, and the unlocking component includes a pressing plate, a transmission bar and a locking plate, and the locking plate is fixedly arranged on the top of the upper clamping plate, one end of the pressing plate is slidably connected to the inside of the second sliding groove, and the transmission bar is slidably arranged in the inside of the third sliding groove, one end of the transmission bar is fixedly connected to the pressing plate, and the other end of the transmission bar is fixedly connected to the edge of the sliding ring, and a first mounting groove is provided on a side of the pressing plate close to the locking plate, an elastic strip is provided inside the first mounting groove, one end of the elastic strip is fixedly connected to the pressing plate, and a card block is fixedly provided on the other end of the elastic strip close to a side of the locking plate, and a card groove is provided on the locking plate.

[0013] In some embodiments, the puncture mechanism is symmetrically arranged in two groups, and the puncture mechanism includes a pair of base plates symmetrically arranged in an upper and lower manner, the upper clamping plate and the lower clamping plate are both provided with a second mounting groove, the base plate is slidably arranged inside the second mounting groove, a T-shaped slot is provided on the base plate, a puncture plate is slidably arranged inside the T-shaped slot, and a plurality of puncture teeth are fixedly arranged on the puncture plate located at the top of the wire;

[0014] A plurality of clamping grooves are provided on one side of the substrate away from the wires, a plurality of clamping strips are provided inside the second installation groove, one side of the clamping strips is fixedly connected to the upper clamping plate, and the clamping strips are all clamped inside the clamping grooves to fix the substrate inside the second installation groove;

[0015] A third mounting groove is provided on one side of the substrate close to the wire, and a clamping strip is fixedly arranged inside the third mounting groove on the substrate.

[0016] In some embodiments, a plurality of limiting holes are formed on the edge of the bottom of the upper clamping plate, a plurality of limiting pins are fixedly provided on the edge of the top of the lower clamping plate, and one end of the limiting pin away from the lower clamping plate is slidably connected inside the limiting hole.

[0017] In some embodiments, a control panel is fixedly provided on the top of the upper splint, and two groups of the sensing mechanisms are symmetrically provided, and the sensing mechanism includes a sensing ring, a sensing contact and a reset assembly, and the sensing ring is sleeved on the outer peripheral surface of the wire, and a plurality of annular grooves are provided on the sensing ring, and metal rings are fixedly provided inside the annular grooves, and a fourth slide groove is provided at the bottom of the upper splint and the top of the lower splint, and one end of the sensing contact is slidably connected inside the fourth slide groove, and the sensing contacts are electrically connected to the control panel, and the reset assembly is used to keep the sensing contact in contact with the sensing ring after the puncture mechanism fixes the wire.

[0018] In some embodiments, the reset assembly includes a second spring and a piston, the bottom of the upper clamp and the top of the lower clamp are provided with spring grooves, the spring grooves are connected to the fourth slide grooves, the piston is slidably arranged inside the spring grooves, the end of the sensing contact away from the sensing ring is fixedly connected to the piston, and the second spring is arranged inside the spring groove and abuts against a side of the piston away from the sensing contact.

[0019] In some embodiments, a protective cover is provided on the top of the upper splint, one side of the protective cover is hinged to the top of the upper splint, a connecting ring is fixedly provided on the side of the protective cover away from the upper splint, screws are passed through the connecting ring, a threaded hole is also opened on the top of the upper splint, and a sealing ring is also fixedly provided on the top of the upper splint.

[0020] In a second aspect, the present invention provides a method for using an electric fitting with an induction function to prevent a cable from being loosened. The method for using an electric fitting with an induction function to prevent a cable from being loosened comprises the following steps:

[0021] S1: Put the induction ring on the conductor, fix the induction ring and make its center position located at the center of the position where the power fittings are installed on the conductor;

[0022] S2: Press the two pressing plates at the same time to make them move to the lowest point, so that the clamping block enters the inside of the clamping slot, and turn the fixing bolt to move it upward relative to the nut to separate the upper clamping plate from the lower clamping plate;

[0023] S3: Select the puncture plate type according to the wire type. If the wire has no insulating skin, use the tool to clamp the clamping strip to remove the base plate from the upper clamping plate, and then remove and replace the puncture plate without puncture teeth. If the wire has an insulating skin, do not replace it.

[0024] S4: insert the wire between the upper clamping plate and the lower clamping plate to install the wire, use a tool to push the clamping block into the first installation groove, the first spring pushes the pressing plate back to the top, turn the fixing bolt to make the upper clamping plate and the lower clamping plate close to each other and insert each limit pin into the limit hole, and continue to turn the fixing bolt until the puncture mechanism punctures and clamps the wire;

[0025] S5: Turn the protective cover to align the screw with the threaded hole, and then tighten the screw inside the threaded hole to fix the protective cover, and the bottom edge of the protective cover contacts the sealing ring to form a seal;

[0026] S6: Monitor the working status of the power fittings through the remote signal sent by the control panel, and promptly inspect and maintain the power fittings after receiving the signal that the wire is loose;

[0027] S7: When the electrical fittings need to be disassembled, press the two pressing plates at the same time to move them to the lowest point. The clamping block enters the slot, and the fixing bolt is turned to move it upward relative to the nut to separate the upper clamping plate from the lower clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0029] Figure 1 The overall structure of an electric power fitting with a sensing function to prevent the cable from loosening provided in an embodiment of the present application is schematically shown. Figure 1 ;

[0030] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0031] Figure 3 for Figure 1 Enlarged view of part B;

[0032] Figure 4 The overall structure of an electric power fitting with a sensing function to prevent the cable from loosening provided in an embodiment of the present application is schematically shown. Figure 2 ;

[0033] Figure 5 A cross-sectional view of an electric power fitting with a sensing function to prevent a cable from loosening provided in an embodiment of the application;

[0034] Figure 6 for Figure 5 Enlarged view of part C in the middle;

[0035] Figure 7 for Figure 5 Enlarged view of part D in the middle;

[0036] Figure 8 Schematic diagram of the exploded structure of the sliding ring and fixing bolts Figure 1 ;

[0037] Fig. 9 Schematic diagram of the exploded structure of the sliding ring and fixing bolts Figure 2 ;

[0038] Fig.10 Schematic diagram of the explosion structure of the upper splint and base plate Figure 1 ;

[0039] Fig.11 for Fig.10 Enlarged view of part E in the middle;

[0040] Fig.12 Schematic diagram of the explosion structure of the upper splint and base plate Figure 2 ;

[0041] Fig.13 for Fig.12 Enlarged view of part F in the middle;

[0042] Fig.14 It is the overall structural diagram of the induction loop;

[0043] Fig.15 for Fig.14 Enlarged view of part G in the middle.

[0044] Among them, the reference numerals in the figure are:

[0045] 1. Upper clamping plate; 11. Wire; 12. First slide groove; 13. Second slide groove; 14. Third slide groove; 15. Second mounting groove; 151. Clamping strip; 16. Limiting hole; 17. Threaded hole; 2. Lower clamping plate; 21. Nut; 22. Limiting pin; 23. Fourth slide groove; 24. Spring groove; 31. Base plate; 311. T-shaped slot; 312. Clamping slot; 313. Third mounting groove; 314. Clamping strip; 4. Fixing bolt; 41. Washer; 411. Second locking tooth; 51. Sliding ring; 511 , first locking tooth; 5111, arc surface; 52, first spring; 531, pressing plate; 5311, first mounting groove; 5312, elastic strip; 5313, block; 532, transmission strip; 533, locking plate; 5331, slot; 61, induction ring; 611, annular groove; 612, metal ring; 62, induction contact; 631, second spring; 632, piston; 7, puncture plate; 71, puncture tooth; 8, control panel; 9, protective cover; 91, connecting ring; 92, screw; 93, sealing ring. DETAILED DESCRIPTION

[0046] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0048] With regard to the prior art, the wire clamp contracts the clamping jaws and punctures and fixes the wire by rotating the rotating body, and the rotating body is connected to the upper shell and the lower shell through threads. After the puncture wire clamp is subjected to long-term vibration, the threaded connection between the rotating body and the upper shell and the lower shell is prone to loosening, causing the connection between the wire and the puncture wire clamp to loosen, which may cause the wire to come loose, and the reliability of the puncture wire clamp is not high.

[0049] Based on this, in order to solve the problem that the wire is easy to loosen after the piercing clamp is vibrated for a long time, the present invention provides an electric power fitting with an induction function to prevent the cable from loosening and a method of using the same.

[0050] Embodiment 1: Please refer to Figures 1 to 2. The embodiment of the present application provides an electric fitting with an induction function to prevent the loosening of the cable. The electric fitting with an induction function to prevent the loosening of the cable includes an upper clamping plate 1, a lower clamping plate 2, a puncture mechanism, a fixing bolt 4, a nut 21 and a sensing mechanism. The fixing bolt 4 is sequentially penetrated on the upper clamping plate 1 and the lower clamping plate 2 and is threadedly connected to the nut 21; a space for clamping the wire 11 is formed between the upper clamping plate 1 and the lower clamping plate 2; the puncture mechanism is arranged on the upper clamping plate 1 and the lower clamping plate 2, and is used to puncture the wire 11; the sensing mechanism is used to sense whether the connection between the wire 11 and the puncture mechanism is loose;

[0051] Among them, a first slide groove 12 is opened on the side of the upper clamping plate 1 facing away from the lower clamping plate 2, and the electrical hardware also includes a locking mechanism, which includes a locking piece and a first elastic piece. The locking piece is slidably arranged in the first slide groove 12, and the locking piece is used to abut against the side of the bolt head of the fixing bolt 4 facing the upper clamping plate 1 to limit the rotation of the fixing bolt 4. The first elastic piece is arranged in the first slide groove 12 and abuts against the side of the locking piece facing away from the bolt head, so as to provide a force for the locking piece to abut against the bolt head.

[0052] With such arrangement, when using an electrical fitting to connect two wires 11, the two wires 11 are respectively inserted between the upper clamping plate 1 and the lower clamping plate 2 to install the wires 11, and then the fixing bolt 4 is turned clockwise, the fixing bolt 4 and the nut 21 approach and press down the upper clamping plate 1 to make the upper clamping plate 1 and the lower clamping plate 2 approach each other, and the puncture mechanism begins to puncture the two wires 11. As the upper clamping plate 1 and the lower clamping plate 2 approach, the puncture mechanism completes the puncture connection and fixation of the two wires 11, and then the turning of the fixing bolt 4 is stopped, and the first elastic member keeps the locking member in contact with the head of the fixing bolt 4, thereby preventing the fixing bolt 4 from rotating, so that the puncture mechanism maintains the clamping degree of the two wires 11, reducing the possibility of the wires 11 loosening.

[0053] It can be understood that the locking member is a member that abuts against a side of the bolt head opposite to the upper clamping plate 1 and allows the bolt head to rotate unidirectionally in the tightening direction, for example, it can be a ratchet structure, a clamping structure with a one-way bearing, etc.

[0054] With such arrangement, two threading holes are provided between the upper clamping plate 1 and the lower clamping plate 2. When the electric power fittings are used to connect the two wires 11, the two wires 11 are respectively passed through the two threading holes, and then the fixing bolt 4 is turned clockwise, the fixing bolt 4 and the nut 21 are close to and press down the upper clamping plate 1 to make the upper clamping plate 1 and the lower clamping plate 2 close to each other, and the puncture mechanism begins to puncture the two wires 11. As the upper clamping plate 1 and the lower clamping plate 2 approach, the puncture mechanism completes the puncture connection and fixation of the two wires 11, and then the turning of the fixing bolt 4 is stopped, and the first elastic member causes the locking member to maintain contact with the head of the fixing bolt 4, thereby preventing the fixing bolt 4 from rotating, so that the puncture mechanism maintains the clamping degree of the two wires 11, and reduces the possibility of the wires 11 loosening.

[0055] In some embodiments, the electrical fitting further includes an unlocking component, which is disposed on the upper clamping plate 1 and is used to separate the locking member from the bolt head to unlock the bolt.

[0056] It can be understood that the unlocking member is a member that enables the locking member to overcome the elastic force of the first elastic member and separate from the bolt head, and can release the locking mechanism from locking the bolt head when needed, so that the fixing bolt 4 can be rotated, for example, it can be a button, a lever, etc.;

[0057] With such arrangement, when the electrical fitting needs to be disassembled, the locking mechanism can be unlocked on the bolt through the unlocking assembly, and then the bolt is turned to separate the bolt from the nut 21, so that the upper clamping plate 1 and the lower clamping plate 2 are separated and the puncture mechanism is separated from the wire 11, and then the electrical fitting can be removed from the wire 11, which can facilitate the inspection and replacement of the electrical fitting by the staff.

[0058] In some embodiments, the locking member includes a sliding ring 51 and a locking portion, the first elastic member includes a first spring 52, the first spring 52 is arranged inside the first sliding groove 12 and its top abuts against the bottom of the sliding ring 51, and the locking portion is arranged at the top of the sliding ring 51 for locking the fixing bolt 4.

[0059] In this arrangement, one end of the first spring 52 abuts against the sliding ring 51, and the other end abuts against the upper clamping plate 1. The first spring 52 applies a force to the sliding ring 51 to make it close to the bolt head of the fixing bolt 4. The sliding ring 51 presses the locking part against the surface of the bolt head opposite to the sliding ring 51 to lock the fixing bolt 4 and prevent the fixing bolt 4 from rotating.

[0060] In some embodiments, a washer 41 is fixedly provided on one side of the head of the fixing bolt 4 relative to the upper clamping plate 1, and the locking portion includes a plurality of first locking teeth 511 and a plurality of second locking teeth 411, the first locking teeth 511 are arranged in a ring array at the top of the sliding ring 51, and the second locking teeth 411 are arranged in a ring array at the bottom of the washer 41, one end of the first locking tooth 511 and one end of the second locking tooth 411 are both provided with an arc surface 5111, one end of the first locking tooth 511 without the arc surface 5111 abuts against one end of the second locking tooth 411 without the arc surface 5111, and one end of the first locking tooth 511 with the arc surface 5111 abuts against one end of the second locking tooth 411 with the arc surface 5111;

[0061] The unlocking assembly is symmetrically arranged in two groups. A second slide groove 13 and a third slide groove 14 are provided on the top of the upper clamping plate 1. The unlocking assembly includes a pressing plate 531, a transmission bar 532 and a locking plate 533. The locking plate 533 is fixedly arranged on the top of the upper clamping plate 1. One end of the pressing plate 531 is slidably connected to the inside of the second slide groove 13. The transmission bar 532 is slidably arranged in the inside of the third slide groove 14. One end of the transmission bar 532 is fixedly connected to the pressing plate 531, and the other end of the transmission bar 532 is fixedly connected to the edge of the sliding ring 51. A first mounting groove 5311 is provided on a side of the pressing plate 531 close to the locking plate 533. An elastic strip 5312 is provided inside the first mounting groove 5311. One end of the elastic strip 5312 is fixedly connected to the pressing plate 531. A clamping block 5313 is fixedly provided on the other end of the elastic strip 5312 close to a side of the locking plate 533. A clamping groove 5331 is provided on the locking plate 533.

[0062] With such arrangement, when installing the electrical fittings, the fixing bolt 4 is screwed to make it close to the nut 21 and the upper clamping plate 1 is pressed down through the washer 41 to make the upper clamping plate 1 and the lower clamping plate 2 close to each other. When the washer 41 is observed from the side of the upper clamping plate 1 facing away from the lower clamping plate 2, when the washer 41 rotates clockwise, the washer 41 drives the second locking teeth 411 at its bottom to rotate. Since each second locking tooth 411 contacts each first locking tooth 511 through the arc surface 5111, when the second locking tooth 411 rotates, the arc surface 5111 causes the second locking tooth 411 to apply a vertical downward component force to the first locking tooth 511, and each first locking tooth 511 exerts a vertical downward component force on this component force. Under the action, the sliding ring 51 is pushed to slide downward in the first sliding groove 12 and compress the first spring 52. At the same time, the sliding ring 51 drives the transmission bars 532 on both sides thereof to slide downward in the third sliding groove 14. The transmission bars 532 drive the pressing plate 531 to slide downward in the second sliding groove 13. The pressing plate 531 drives the elastic strip 5312 and the block 5313 to slide downward. In the initial state, the block 5313 contacts the locking plate 533 to make the elastic strip 5312 bend. The elastic force of the elastic strip 5312 presses the block 5313 onto the locking plate 533. As the sliding ring 51 slides down and the washer 41 rotates, The second locking tooth 411 gradually moves to the top of the first locking tooth 511, at this time the block 5313 moves to the lowest point and is located above the slot 5331, the fixing bolt 4 continues to drive the second locking tooth 411 to rotate, the second locking tooth 411 enters the gap between the adjacent first locking teeth 511, the arc surface 5111 on the second locking tooth 411 contacts the arc surface 5111 of the next first locking tooth 511, the end of the second locking tooth 411 without the arc surface 5111 contacts the end of the previous first locking tooth 511 without the arc surface 5111, and the first spring 52 pushes the sliding ring 51 and the transmission bar 532. The pressing plate 531 moves upward to return to the initial position, at which time the locking mechanism is in a locked state, and then the fixing bolt 4 is continued to be screwed to continue pressing the upper clamping plate 1 downward and repeat the above process, so that the puncture mechanism completes the puncture and clamping of the two wires 11 and the locking mechanism is in a locked state; when the puncture wire clamp is vibrated, the fixing bolt 4 will have a tendency to loosen and rotate under the reaction of the pre-tightening force, and at this time, each first locking tooth 511 will prevent the second locking tooth 411 from rotating in the opposite direction, thereby preventing the fixing bolt 4 from rotating, so that the puncture mechanism maintains the degree of clamping the two wires 11, and reduces the possibility of the wires 11 loosening;When it is necessary to disassemble the electrical fittings, the staff can press the pressing plates 531 on both sides of the fixing bolt 4 at the same time. The pressing plates 531 drive the elastic strip 5312 and the block 5313 to move downward, and drive the sliding ring 51 to slide downward through the transmission strip 532. The sliding ring 51 compresses the spring and drives each first locking tooth 511 to move downward and separate from the second locking tooth 411. When the block 5313 moves downward and faces the slot 5331, the block 5313 enters the slot 5331 under the elastic force of the elastic strip 5312 to fix the elastic strip 5312 and the pressing plate 531. The elastic strip 5312 is straightened, and the pressing plate 531 drives the sliding ring 51 through the transmission strip 532. 1 is fixed, and then the staff can reversely twist the fixing bolt 4 to release the fixation of the upper clamping plate 1 and the lower clamping plate 2, and the power fitting can be removed from the wire 11; when the power fitting needs to be installed again, a tool is used to pass through the clamping slot 5331 to push the clamping block 5313 to move into the first installation slot 5311, and the clamping block 5313 pushes the bottom end of the elastic strip 5312 to bend the elastic strip 5312. After the clamping block 5313 completely enters the first installation slot 5311, the pressing plate 531 drives the elastic strip 5312 and the clamping block 5313 to move upward under the push of the first spring 52 until the top of the transmission strip 532 contacts the upper clamping plate 1, and the unlocking assembly returns to the initial state. ;

[0063] In some embodiments, the puncture mechanism is symmetrically arranged in two groups, and the puncture mechanism includes a pair of base plates 31 symmetrically arranged in an upper and lower manner, and the upper clamping plate 1 and the lower clamping plate 2 are both provided with a second mounting groove 15, and the base plate 31 is slidably arranged inside the second mounting groove 15, and a T-shaped slot 311 is provided on the base plate 31, and a puncture plate 7 is slidably arranged inside the T-shaped slot 311, and a plurality of puncture teeth 71 are fixedly arranged on the puncture plate 7 located at the top of the wire 11;

[0064] A plurality of clamping grooves 312 are formed on one side of the substrate 31 away from the wire 11. A plurality of clamping strips 151 are disposed inside the second mounting groove 15. One side of the clamping strips 151 is fixedly connected to the upper clamping plate 1. The clamping strips 151 are all clamped inside the clamping grooves 312 to fix the substrate 31 inside the second mounting groove 15.

[0065] A third mounting groove 313 is formed on one side of the substrate 31 close to the wire 11 , and a clamping bar 314 is fixedly disposed inside the third mounting groove 313 on the substrate 31 .

[0066] With such arrangement, when installing the electrical fittings, the upper clamping plate 1 and the lower clamping plate 2 are close to each other, the tip of the puncture tooth 71 installed on the puncture plate 7 above the wire 11 contacts the skin of the wire 11, and the puncture plate 7 below the wire 11 also contacts the skin of the wire 11. As the upper clamping plate 1 and the lower clamping plate 2 continue to approach each other, the tip of the puncture tooth 71 pierces the skin of the wire 11 and contacts the inner core of the wire 11. The puncture tooth 71, the puncture plate 7 and the base plate 31 are all made of conductive materials, so that the two wires 11 are electrically connected. If the wire 11 without an insulating skin is connected, the staff can clamp the clamping strip 314 with a tool, and then pull down the clamping strip 314 to remove the base plate 31 installed on the upper clamping plate 1 from the second installation groove 15, and then use the tool to remove the puncture plate 7 from the T The puncture plate 7 without the puncture teeth 71 installed is taken out from the T-shaped slot 311 and the puncture plate 7 without the puncture teeth 71 installed is inserted into the T-shaped slot 311, and then the base plate 31 is inserted back into the second installation slot 15, and each clamping strip 151 is inserted into the clamping slot 312 at the top of the base plate 31 and fixes the base plate 31 through friction to prevent the base plate 31 from slipping out of the second installation slot 15; then the puncture plate 7 is clamped with the wire 11 according to the same steps. For the wire 11 without the insulating skin, the puncture plate 7 is not installed with the puncture teeth 71 and directly clamps the wire 11, so that the connection between the wire 11 and the puncture plate 7 is tightened and the contact area between the wire 11 and the puncture plate 7 is increased, thereby enhancing the conductive effect; if the puncture teeth 71 are damaged and cannot be used anymore, a new puncture plate 7 with the puncture teeth 71 installed can be replaced according to the above steps.

[0067] In some embodiments, a plurality of limiting holes 16 are formed at the bottom edge of the upper clamp plate 1 , and a plurality of limiting pins 22 are fixedly provided at the top edge of the lower clamp plate 2 , and one end of the limiting pin 22 away from the lower clamp plate 2 is slidably connected inside the limiting hole 16 .

[0068] With such arrangement, when the upper clamping plate 1 and the lower clamping plate 2 are moved closer to or farther away from each other, the limit pin 22 can cooperate with the limit hole 16 to ensure that the bottom surface of the upper clamping plate 1 and the top surface of the lower clamping plate 2 are always parallel, while preventing the upper clamping plate 1 or the lower clamping plate 2 from rotating when the fixing bolt 4 is turned, thereby ensuring the puncture and fixation effect of the puncture mechanism on the wire 11.

[0069] In some embodiments, a control panel 8 is fixedly provided on the top of the upper splint 1, and two groups of sensing mechanisms are symmetrically provided. The sensing mechanism includes a sensing ring 61, a sensing contact 62 and a reset assembly. The sensing ring 61 is sleeved on the outer peripheral surface of the wire 11, and a plurality of annular grooves 611 are provided on the sensing ring 61. Metal rings 612 are fixedly provided inside the annular grooves 611. A fourth slide groove 23 is provided at the bottom of the upper splint 1 and the top of the lower splint 2. One end of the sensing contact 62 is slidably connected inside the fourth slide groove 23. The sensing contacts 62 are electrically connected to the control panel 8. The reset assembly is used to keep the sensing contact 62 in contact with the sensing ring 61 after the puncture mechanism fixes the wire 11.

[0070] It can be understood that the reset component is used to apply a force to the sensing contact 62 to make its sensing end abut against the sensing ring 61 or the metal ring 612, while allowing the sensing contact 62 to move away from the sensing ring 61 to adapt to wires 11 and sensing rings 61 of different thicknesses, and can be, for example, an elastic gasket, a spring, mutually repelling magnets, etc.;

[0071] With such arrangement, before installing the electric fitting, the staff can first sleeve the induction ring 61 on the wire 11, fix the induction ring 61 and make its center position located at the center of the position where the electric fitting is installed on the wire 11, and when the fixing bolt 4 is turned to make the upper clamping plate 1 and the lower clamping plate 2 approach each other, the induction contact 62 located above and below the wire 11 contacts the outer peripheral surface of the induction ring 61 or the metal ring 612, and the induction ring 61 or the metal ring 612 pushes the induction contact 62 away from the wire 11, and the reset mechanism makes the end of the induction contact 62 close to the outer peripheral surface of the induction ring 61 or the metal ring 612, thereby completing the installation of the electric fitting. After installation, the two sensing contacts 62 are in contact with the sensing ring 61 or the same metal ring 612 at the same time. The sensing ring 61 is made of insulating material. The width of each metal ring 612 is consistent and the distance between adjacent metal rings 612 is consistent. The resistance of each metal ring 612 is different. The control panel 8 can obtain the resistance value between the two sensing contacts 62. When the sensing contact 62 contacts the surface of the sensing ring 61 or the surfaces of different metal rings 612, the control panel 8 will obtain different resistance values ​​respectively, so that it can be judged by the change of the resistance value whether the wire 11 is relative to the sensing contact 62, that is, relative to the upper clamping plate 1 and the lower clamping plate 2, and then the sliding distance of the wire 11 is determined according to the number and value of resistance changes combined with the width of the metal ring 612 and the distance between adjacent metal rings 612. The staff can set the threshold of the sliding distance of the wire 11 through the control panel 8. When the sliding distance of the wire 11 is greater than the threshold, the control panel 8 sends a remote signal to the staff to remind the staff that the power fitting may be loose from the wire 11. The staff can promptly inspect and maintain the power fitting to prevent uncontrollable accidents caused by the loosening of the wire 11. In actual application , the wire 11 inside the power fitting may be bent or the power fitting and the wire 11 may shake significantly, resulting in the two sensing contacts 62 being unable to contact the same metal ring 612 at the same time or being unable to contact the position of the surface of the sensing ring 61 that is symmetrical relative to the axis of the wire 11, which may cause the resistance value between the two sensing contacts 62 to be disordered. The production personnel can control these situations within a controllable range by adjusting the resistance value between each metal ring 612, the width of the metal ring 612, the size of the sensing contact 62, the distance between adjacent metal rings 612, etc., to ensure the reliability of the sensing mechanism.

[0072] In some embodiments, the reset assembly includes a second spring 631 and a piston 632. A spring groove 24 is provided at the bottom of the upper clamp 1 and the top of the lower clamp 2. The spring groove 24 is connected to the fourth slide groove 23. The piston 632 is slidably arranged inside the spring groove 24. One end of the sensing contact 62 away from the sensing ring 61 is fixedly connected to the piston 632. The second spring 631 is arranged inside the spring groove 24 and abuts against a side of the piston 632 away from the sensing contact 62.

[0073] With such arrangement, when the fixing bolt 4 is tightened to bring the upper clamping plate 1 and the lower clamping plate 2 closer to each other, the sensing contacts 62 located above and below the conductor 11 contact the outer circumference of the sensing ring 61 or the metal ring 612, and the sensing ring 61 or the metal ring 612 pushes the sensing contact 62 and the piston 632 to slide toward the second spring 631. The piston 632 compresses the second spring 631, and the second spring 631 makes the end of the sensing contact 62 tightly attached to the outer circumference of the sensing ring 61 or the metal ring 612, thereby ensuring that the two sensing contacts 62 are always in contact with the sensing ring 61 or the metal ring 612.

[0074] In some embodiments, a protective cover 9 is provided on the top of the upper splint 1, one side of the protective cover 9 is hinged to the top of the upper splint 1, a connecting ring 91 is fixedly provided on the side of the protective cover 9 away from the upper splint 1, a screw 92 is passed through the connecting ring 91, a threaded hole 17 is also opened on the top of the upper splint 1, and a sealing ring 93 is also fixedly provided on the top of the upper splint 1.

[0075] With such arrangement, after installing and debugging the electrical fittings, rotate the protective cover 9 to align the screw 92 with the threaded hole 17, and then tighten the screw 92 inside the threaded hole 17 to fix the protective cover 9. At this time, the bottom edge of the protective cover 9 contacts the sealing ring 93 to form a seal. The protective cover 9 can prevent external dust, liquid and other foreign objects from contacting the control panel 8 and the internal structure of the electrical fittings, thereby protecting them.

[0076] Embodiment 2: The present invention provides a method for using an electric fitting with an induction function to prevent a cable from being loosened. The method for using an electric fitting with an induction function to prevent a cable from being loosened comprises the following steps:

[0077] S1: Sleeve the induction ring 61 on the conductor 11, fix the induction ring 61 and make its center position located at the center of the position where the power fitting is installed on the conductor 11;

[0078] S2: Press the two pressing plates 531 simultaneously to move them to the lowest point, so that the clamping block 5313 enters the clamping slot 5331, and the fixing bolt 4 is screwed to move upward relative to the nut 21, so that the upper clamping plate 1 is separated from the lower clamping plate 2;

[0079] S3: Select the type of puncture plate 7 according to the type of wire 11. If the wire 11 has no insulating skin, use a tool to clamp the clamping strip 314 to remove the base plate 31 from the upper clamping plate 1, and then remove and replace the puncture plate 7 without the puncture teeth 71. If the wire 11 has an insulating skin, do not replace it.

[0080] S4: Insert the wire 11 between the upper clamping plate 1 and the lower clamping plate 2 to install the wire 11, use a tool to push the clamping block 5313 into the first installation groove 5311, the first spring 52 pushes the pressing plate 531 back to the top, turn the fixing bolt 4 to make the upper clamping plate 1 and the lower clamping plate 2 close to each other and insert each limiting pin 22 into the limiting hole 16, and continue to turn the fixing bolt 4 until the puncture mechanism punctures and clamps the wire 11;

[0081] S5: Rotate the protective cover 9 to align the screw 92 with the threaded hole 17, and then tighten the screw 92 inside the threaded hole 17 to fix the protective cover 9, and the bottom edge of the protective cover 9 contacts the sealing ring 93 to form a seal;

[0082] S6: Monitor the working status of the power fittings through the remote signal sent by the control panel 8, and promptly inspect and maintain the power fittings after receiving the signal that the wire 11 is loose;

[0083] S7: When the electrical fittings need to be disassembled, the two pressing plates 531 are pressed simultaneously to move them to the lowest point, the clamping block 5313 enters the clamping slot 5331, and the fixing bolt 4 is screwed to move upward relative to the nut 21 to separate the upper clamping plate 1 from the lower clamping plate 2.

[0084] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric power fitting with an induction function to prevent a cable from loosening, characterized in that: The invention comprises an upper clamping plate (1), a lower clamping plate (2), a puncture mechanism, a fixing bolt (4), a nut (21) and a sensing mechanism, wherein the fixing bolt (4) is sequentially inserted into the upper clamping plate (1) and the lower clamping plate (2) and is threadedly connected to the nut (21); a space for clamping a wire (11) is formed between the upper clamping plate (1) and the lower clamping plate (2); the puncture mechanism is arranged on the upper clamping plate (1) and the lower clamping plate (2) and is used for puncturing the wire (11); the sensing mechanism is used for sensing whether the connection between the wire (11) and the puncture mechanism is loose; The upper clamping plate (1) is provided with a first slide groove (12) on a side facing away from the lower clamping plate (2); the electric power fitting further comprises a locking mechanism, the locking mechanism comprising a locking member and a first elastic member; the locking member is slidably arranged in the first slide groove (12); the locking member is used to abut against a side of a bolt head of the fixing bolt (4) facing the upper clamping plate (1) to limit the rotation of the fixing bolt (4); the first elastic member is arranged in the first slide groove (12) and abuts against a side of the locking member facing away from the bolt head to provide a force for causing the locking member to abut against the bolt head; The electric power fitting further comprises an unlocking component, which is arranged on the upper clamping plate (1) and is used to separate the locking member from the bolt head to unlock the bolt; The locking member comprises a sliding ring (51) and a locking portion, the first elastic member comprises a first spring (52), the first spring (52) is arranged inside the first sliding groove (12) and the top of the first spring abuts against the bottom of the sliding ring (51), and the locking portion is arranged at the top of the sliding ring (51) and is used to lock the fixing bolt (4); A washer (41) is fixedly arranged on one side of the head of the fixing bolt (4) opposite to the upper clamping plate (1); the locking portion comprises a plurality of first locking teeth (511) and a plurality of second locking teeth (411); the first locking teeth (511) are arranged in a ring-shaped array at the top of the sliding ring (51); the second locking teeth (411) are arranged in a ring-shaped array at the bottom of the washer (41); one end of the first locking tooth (511) and one end of the second locking tooth (411) are both provided with an arc surface (5111); one end of the first locking tooth (511) without the arc surface (5111) abuts against one end of the second locking tooth (411) without the arc surface (5111); and one end of the first locking tooth (511) with the arc surface (5111) abuts against one end of the second locking tooth (411) with the arc surface (5111); The unlocking assembly is symmetrically arranged in two groups. The top of the upper clamping plate (1) is provided with a second slide groove (13) and a third slide groove (14). The unlocking assembly comprises a pressing plate (531), a transmission bar (532) and a locking plate (533). The locking plate (533) is fixedly arranged on the top of the upper clamping plate (1). One end of the pressing plate (531) is slidably connected to the inside of the second slide groove (13). The transmission bar (532) is slidably arranged to the inside of the third slide groove (14). One end of the transmission bar (532) is fixedly connected to the pressing plate (531). The other end of the transmission bar (532) is fixedly connected to the edge of the sliding ring (51); a first mounting groove (5311) is provided on a side of the pressing plate (531) close to the locking plate (533); an elastic bar (5312) is provided inside the first mounting groove (5311); one end of the elastic bar (5312) is fixedly connected to the pressing plate (531); a clamping block (5313) is fixedly provided on a side of the other end of the elastic bar (5312) close to the locking plate (533); and a clamping groove (5331) is provided on the locking plate (533).

2. The electric power fitting with induction function to prevent the cable from loosening according to claim 1, characterized in that: The puncture mechanism is symmetrically arranged in two groups, and comprises a pair of base plates (31) symmetrically arranged in an upper and lower manner, the upper clamping plate (1) and the lower clamping plate (2) are both provided with a second mounting groove (15), the base plate (31) is slidably arranged inside the second mounting groove (15), the base plate (31) is provided with a T-shaped slot (311), a puncture plate (7) is slidably arranged inside the T-shaped slot (311), and a plurality of puncture teeth (71) are fixedly arranged on the puncture plate (7) located at the top of the wire (11); A plurality of clamping grooves (312) are provided on a side of the substrate (31) away from the wire (11); a plurality of clamping strips (151) are provided inside the second installation groove (15); one side of the clamping strips (151) is fixedly connected to the upper clamping plate (1); and the clamping strips (151) are all clamped inside the clamping grooves (312) to fix the substrate (31) inside the second installation groove (15); A third installation groove (313) is provided on a side of the substrate (31) close to the wire (11), and a clamping strip (314) is fixedly provided inside the third installation groove (313) on the substrate (31).

3. The electric power fitting with induction function to prevent the cable from loosening according to claim 1, characterized in that: The bottom edge of the upper clamping plate (1) is provided with a plurality of limiting holes (16), the top edge of the lower clamping plate (2) is fixedly provided with a plurality of limiting pins (22), and one end of the limiting pin (22) away from the lower clamping plate (2) is slidably connected inside the limiting hole (16).

4. The electric power fitting with induction function to prevent the cable from loosening according to claim 1, characterized in that: A control panel (8) is fixedly arranged on the top of the upper clamping plate (1). The sensing mechanism is symmetrically arranged in two groups. The sensing mechanism comprises a sensing ring (61), a sensing contact (62) and a reset assembly. The sensing ring (61) is sleeved on the outer peripheral surface of the wire (11). The sensing ring (61) is provided with a plurality of annular grooves (611). Metal rings (612) are fixedly arranged inside the annular grooves (611). A fourth sliding groove (23) is provided at the bottom of the upper clamping plate (1) and the top of the lower clamping plate (2). One end of the sensing contact (62) is slidably connected inside the fourth sliding groove (23). The sensing contacts (62) are electrically connected to the control panel (8). The reset assembly is used to keep the sensing contact (62) in contact with the sensing ring (61) after the puncture mechanism fixes the wire (11).

5. The electric power fitting with induction function to prevent the cable from loosening according to claim 4, characterized in that: The reset assembly comprises a second spring (631) and a piston (632); a spring groove (24) is provided at the bottom of the upper clamping plate (1) and the top of the lower clamping plate (2); the spring groove (24) is communicated with a fourth slide groove (23); the piston (632) is slidably arranged inside the spring groove (24); an end of the sensing contact (62) away from the sensing ring (61) is fixedly connected to the piston (632); the second spring (631) is arranged inside the spring groove (24) and abuts against a side of the piston (632) away from the sensing contact (62).

6. The electric power fitting with induction function to prevent the cable from loosening according to claim 5, characterized in that: A protective cover (9) is provided on the top of the upper clamping plate (1), one side of the protective cover (9) is hinged to the top of the upper clamping plate (1), a connecting ring (91) is fixedly provided on the side of the protective cover (9) away from the upper clamping plate (1), a screw (92) is passed through the inside of the connecting ring (91), a threaded hole (17) is also opened on the top of the upper clamping plate (1), and a sealing ring (93) is also fixedly provided on the top of the upper clamping plate (1).

7. A method for using an electric power fitting with an induction function to prevent a cable from loosening as claimed in any one of claims 1 to 6, characterized in that: S1: Sleeve the induction ring (61) on the conductor (11), fix the induction ring (61) and make its center position be located at the center of the position where the power fitting is installed on the conductor (11); S2: Press the two pressing plates (531) simultaneously to move them to the lowest point, so that the clamping block (5313) enters the clamping slot (5331), and the fixing bolt (4) is turned to move it upward relative to the nut (21), so that the upper clamping plate (1) is separated from the lower clamping plate (2); S3: Select the type of puncture plate (7) according to the type of wire (11). If the wire (11) does not have an insulating surface, use a tool to clamp the clamping strip (314) to remove the base plate (31) from the upper clamping plate (1), and then remove and replace the puncture plate (7) without the puncture teeth (71). If the wire (11) has an insulating surface, do not replace it; S4: insert the wire (11) between the upper clamping plate (1) and the lower clamping plate (2) to install the wire (11), use a tool to push the clamping block (5313) into the first installation groove (5311), the first spring (52) pushes the pressing plate (531) back to the top, turn the fixing bolt (4) to make the upper clamping plate (1) and the lower clamping plate (2) close to each other and insert each limit pin (22) into the limit hole (16), and continue to turn the fixing bolt (4) until the puncture mechanism punctures and clamps the wire (11); S5: The protective cover (9) is rotated so that the screw (92) is aligned with the threaded hole (17), and then the screw (92) is tightened inside the threaded hole (17) to fix the protective cover (9), and the bottom edge of the protective cover (9) contacts the sealing ring (93) to form a seal; S6: monitoring the working status of the electric fittings through a remote signal sent by the control panel (8), and promptly inspecting and maintaining the electric fittings after receiving a signal indicating that the wire (11) is loose; S7: When it is necessary to disassemble the electrical fittings, the two pressing plates (531) are pressed simultaneously to move them to the lowest point, the clamping block (5313) enters the inside of the clamping slot (5331), and the fixing bolt (4) is screwed to move it upward relative to the nut (21), so that the upper clamping plate (1) and the lower clamping plate (2) are separated.

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