CN114843985A

CN114843985A - Cable connecting device for electric power engineering

Info

Publication number: CN114843985A
Application number: CN202210643960.4A
Authority: CN
Inventors: 裴园园
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-08-02

Abstract

The invention discloses a cable connecting device for electric power engineering, which comprises a wiring shell, wherein the wiring shell is integrally square, a through groove is formed in the middle of the wiring shell, wire cutting frames are fixedly installed on two sides of the top end of the wiring shell respectively, locking rings are connected with two ends of the wiring shell respectively in a threaded manner, a connecting ring in rotary connection is sleeved on the outer wall of each locking ring, a plurality of first hinge blocks are uniformly and fixedly connected on one side wall of each connecting ring in an annular manner, the cable can be fixed with the wiring shell in a multiple fixing mode through the arrangement of the locking rings, the positioning rods and a second conducting plate, so that the fixing effect is firmer, the problem of poor contact between a copper wire and a conductive structure due to pulling is avoided, meanwhile, a self-checking structure is arranged, whether the contact is good or not can be automatically checked after the cable is installed, and auxiliary detection work can be performed in the subsequent detection process, the operation of the operator is convenient.

Description

Cable connecting device for electric power engineering

Technical Field

The invention relates to the field of electric power engineering, in particular to a cable connecting device for electric power engineering.

Background

Electric power engineering, i.e. engineering related to the production, transmission, distribution of electric energy, also broadly includes engineering of electricity as a power and energy source for applications in various fields. Meanwhile, the method can be understood to the transmission and transformation business expansion project.

In the electric power engineering, the most commonly used article of transmission electric power when the cable, but the cable is in the use, often need use termination for connect two cables, make its transmission electric power work that keeps stable, and current termination mostly adopts coupler or terminal box to accomplish wiring work, but current connection device has some weak points.

At first at the in-process of cable connection, often need use the crust with the cable to peel off, expose inside copper line, then twist together the copper line as far as, fix it in the terminal box through the bolt at last, make the copper line contact with the conducting strip, thereby accomplish wiring work, nevertheless discover in the use of reality, because the removal or the pulling of cable, often can lead to the bolt of junction not hard up, thereby make contact failure, influence the life of conducting strip, and conducting strip and copper line contact failure are, easily produce the electric spark, thereby lead to the terminal box to appear catching fire or the problem of rubber fusion, after the wiring is accomplished simultaneously, whether convenient normal detection structure is electrically conducted to the junction of being close.

Therefore, a wiring device capable of stable wiring and convenient detection is needed.

Disclosure of Invention

In order to solve the above problems, the present invention provides a cable connecting device for power engineering.

The invention is realized by the following technical scheme:

a cable connecting device for electric power engineering comprises a wiring shell, wherein the wiring shell is integrally square, a through groove is formed in the middle of the wiring shell, wire cutting frames are fixedly mounted on two sides of the top end of the wiring shell respectively, two ends of the wiring shell are in threaded connection with locking rings respectively, a connecting ring in rotary connection is sleeved on the outer wall of each locking ring, a plurality of first hinging blocks are uniformly and fixedly connected onto one side wall of each connecting ring in an annular mode, each first hinging block is hinged with a hinging piece through a pin shaft, a first spring barrel is fixedly mounted at one end of each hinging piece, a first sliding rod is slidably connected into each first spring barrel, a first sliding block is slidably connected into each first spring barrel, one end of each first sliding rod is fixedly connected onto the side wall of the first sliding block uniformly corresponding to one end of each first sliding rod, and the other end of each first sliding rod penetrates out of each first spring barrel and is slidably connected with the first spring barrel, each first sliding rod is sleeved with a first spring, each first spring is arranged in a first spring cylinder, one end of each first spring is attached to the inner wall of one side of the first spring cylinder, the other end of each first spring is attached to the side wall of the corresponding first sliding block, a plurality of second hinging blocks are uniformly and fixedly arranged on two sides of the outer wall of each wiring shell, each second hinging block is hinged to the corresponding first sliding rod through a pin shaft, first insulating shells are fixedly arranged on the inner walls of two sides of a central through groove of the wiring shell, jacks are fixedly arranged on each first insulating shell, color-changing ceramics are arranged in each first insulating shell, an insulating cylinder is fixedly arranged on one side wall of each first insulating shell, each insulating cylinder is communicated with the corresponding jack, a T-shaped rod is arranged in each insulating cylinder, one end of each T-shaped rod penetrates through the corresponding inner insulating cylinder and is attached to the insulating cylinder in a sliding manner, each T-shaped rod is fixedly provided with a limiting block, each limiting block is fixedly provided with a diode, each T-shaped rod is sleeved with a compression spring, one end of each compression spring is attached to one side of a corresponding first insulating shell, the other end of each compression spring is attached to a corresponding limiting block side wall, the axis of each T-shaped rod is opposite to the axis of a corresponding jack, a placing groove is arranged in the center of the top end of the wiring shell, a vertical rod is arranged in the placing groove, the top end of the vertical rod is fixedly provided with a first conductive cylinder, the bottom end of the vertical rod penetrates out of the placing groove and extends into a through groove of the wiring shell, the bottom end of the vertical rod is fixedly provided with a pressing block, an extrusion ring is fixedly arranged on the top surface in the through groove of the wiring shell, the pressing block extends into the extrusion ring and is closely attached to the extrusion ring, and a plurality of cross rods are uniformly and fixedly connected to one side wall of each locking ring, one end of each cross rod extends into the wiring shell, one end of each cross rod extending into the wiring shell is fixedly provided with a clamping block, the side wall of each clamping block is provided with a dovetail groove, each dovetail groove is internally and slidably connected with a dovetail block, one end of each dovetail block is fixedly provided with a first extrusion block, each first extrusion block is in a U shape, two groups of second spring cylinders are uniformly and fixedly arranged on two sides of the inner wall of the wiring shell, four second spring cylinders are arranged in each group, four second spring cylinders on the same side in displacement are vertically and symmetrically arranged, each second spring cylinder is internally and slidably connected with a second sliding rod, one end of each second sliding rod penetrates through the corresponding second spring cylinder and is slidably connected with the second spring cylinder, an arc-shaped guide block is fixedly connected between one end of each two second sliding rods, and a second sliding block is slidably connected in each second spring cylinder, a second spring is arranged in each second spring cylinder, the bottom end of each second spring is attached to the inner wall of the corresponding second spring cylinder, the top end of each second spring is attached to one end of a corresponding second sliding block, the other end of each second sliding block is fixedly connected with one end of a corresponding second sliding rod, a group of internal thread rings are fixedly arranged on the outer walls of the two sides of each wiring shell, the two internal thread rings are arranged symmetrically up and down on the same side, an external thread block is screwed in each internal thread ring, one end of each external thread block is fixedly connected with a positioning rod, a second extrusion block is connected to each positioning rod in a sliding manner, the second extrusion block is arc-shaped, second conducting strips are inserted into the inner walls of the two sides of the through groove of the wiring shell, the second conducting strips are cylindrical, and one end of each second conducting strip is horn-shaped, one end of each color-changing ceramic extends into the horn-shaped opening of the corresponding second conducting strip and is attached to the horn-shaped opening of the corresponding second conducting strip, each second conducting strip is fixedly sleeved with a positioning tube, the cross section of each positioning tube is in a T shape, the outer wall of each positioning tube is fixedly sleeved with a rotating disk, the outer wall of each rotating disk is fixedly sleeved with a rotating ring, the inner walls of the two sides in the wiring shell are respectively provided with a rotating groove, each rotating ring is positioned in the corresponding rotating groove and is rotatably connected with the corresponding rotating groove, both sides of the bottom end of the wiring shell are respectively provided with an adjusting groove, each adjusting groove is communicated with the corresponding rotating groove, each adjusting groove is rotatably connected with an adjusting wheel through a pin shaft, both sides of each second conducting strip are respectively attached to an insulating ventilating pipe, each insulating ventilating pipe is a multi-way pipe, a plurality of ventilating ends of each insulating ventilating pipe are communicated with the outside, and each insulating ventilating pipe is fixedly connected with the inner wall of the wiring shell, the top of every second conducting strip all laminates and is provided with the fourth conducting strip, all fixedly provided with the locating hole on every second conducting strip, and the one end of every locating lever all stretches into in the corresponding locating hole, and the top of every fourth conducting strip all passes the outer wall of wiring casing and rather than fixed connection, the top laminating of wiring casing is provided with the insulating shell of second, fixed mounting has the third conducting strip in the insulating shell of second, the bottom both sides of third conducting strip fixed mounting respectively has the connection piece, and the bottom of every connection piece all stretches into in the top of corresponding fourth conducting strip and closely laminates the setting rather than.

Preferably, the outer wall of the adjusting wheel is provided with meshing teeth, the outer wall of the rotating ring is provided with meshing teeth, and the adjusting wheel and the rotating ring are meshed through the meshing teeth.

Preferably, the rotating disc, the rotating ring and the regulating wheel are all made of insulating materials.

Preferably, the locating rod is provided with a limiting block, the limiting block is attached to the second extrusion block, and the inner wall of the first extrusion block is wrapped with extrusion rubber.

Preferably, the diameter of the T-shaped rod is 1-2mm smaller than that of the jack, and the T-shaped rod is made of a conductive material.

Preferably, the cutting line frame is integrally U-shaped, and a blade is fixedly mounted on the U-shaped inner wall of the cutting line frame.

Compared with the prior art, the invention has the beneficial effects that: the device passes through the setting of locking ring, locating lever and second conducting strip for the cable can be fixed with the wiring casing through multiple fixed mode, makes fixed effect more firm, thereby avoids pulling the copper line that leads to and the bad problem of conductive structure contact because drag, is provided with the self-checking structure simultaneously, can accomplish the back at the installation, whether the proper motion detects well, and also can play the work of supplementary detection at subsequent testing process, makes things convenient for operating personnel to use.

Drawings

FIG. 1 is a schematic representation of the structure of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is a block diagram of the line cutter of FIG. 1 according to the present invention;

FIG. 5 is a block diagram of the first spring cartridge of FIG. 1 in accordance with the present invention;

fig. 6 is a side view of the locking ring of fig. 1 in accordance with the present invention.

In the figure: the wire connecting shell 1, the wire cutting frame 2, the locking ring 3, the connecting ring 4, the first hinge block 5, the first spring barrel 6, the first sliding rod 7, the second hinge block 8, the hinge 9, the first sliding block 10, the first spring 11, the first insulating shell 12, the jack 13, the color-changing ceramic 14, the insulating barrel 15, the T-shaped rod 16, the limiting block 17, the compression spring 18, the diode 19, the placing groove 20, the pressing block 21, the extrusion ring 22, the vertical rod 23, the first conducting strip 24, the cross rod 25, the clamping block 26, the dovetail groove 27, the dovetail block 28, the first extrusion block 29, the second spring barrel 30, the second sliding rod 31, the arc-shaped guide block 32, the internal thread ring 33, the external thread block 34, the positioning rod 35, the second extrusion block 36, the second conducting strip 37, the positioning barrel 38, the rotating disk 39, the rotating ring 40, the adjusting wheel 41, the rotating groove 42, the adjusting groove 43, the insulating duct 44, the second insulating shell 45, the adjusting wheel 45, the second sliding rod 19, the connecting rod 30, and the connecting rod, A third conductive sheet 46, a positioning hole 47, a fourth conductive sheet 48, a connecting sheet 49, a second sliding block 50 and a second spring 51.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3, 4, 5, and 6, a cable connecting device for electrical engineering includes a wiring housing 1, the wiring housing 1 is square, a through groove is formed in the middle of the wiring housing 1, a wire cutting frame 2 is fixedly mounted on each of two sides of the top end of the wiring housing 1, locking rings 3 are respectively screwed on two ends of the wiring housing 1, a rotatably connected connecting ring 4 is sleeved on the outer wall of each locking ring 3, a plurality of first hinge blocks 5 are uniformly and fixedly connected to one side wall of each connecting ring 4 in an annular manner, a hinge 9 is hinged to each first hinge block 5 through a pin, a first spring cylinder 6 is fixedly mounted on one end of each hinge 9, a first sliding rod 7 is slidably connected to each first spring cylinder 6, a first sliding block 10 is slidably connected to each first spring cylinder 6, one end of each first sliding rod 7 is fixedly connected with the side wall of a corresponding first sliding block 10, the other end of each first sliding rod 7 penetrates out of the first spring barrel 6 and is connected with the first spring barrel in a sliding manner, each first sliding rod 7 is sleeved with a first spring 11, each first spring 11 is arranged in the first spring barrel 6, one end of each first spring 11 is attached to the inner wall of one side of the first spring barrel 6, the other end of each first spring 11 is attached to the side wall of the corresponding first sliding block 10, a plurality of second hinge blocks 8 are uniformly and fixedly arranged on the two sides of the outer wall of each wiring shell 1, each second hinge block 8 is hinged with the corresponding first sliding rod 7 through a pin shaft, first insulating shells 12 are fixedly arranged on the inner walls of the two sides of a central through groove of the wiring shell 1, and jacks 13 are fixedly arranged on each first insulating shell 12, each first insulating shell 12 is internally provided with color-changing ceramics 14, one side wall of each first insulating shell 12 is fixedly provided with an insulating cylinder 15, each insulating cylinder 15 is communicated with a corresponding jack 13, each insulating cylinder 15 is internally provided with a T-shaped rod 16, one end of each T-shaped rod 16 penetrates out of the corresponding inner insulating cylinder 15 and is jointed and slidably connected with the corresponding inner insulating cylinder, each T-shaped rod 16 is fixedly provided with a limit block 17, each limit block 17 is fixedly provided with a diode 19, each T-shaped rod 16 is sleeved with a compression spring 18, one end of each compression spring 18 is jointed with one side of the corresponding first insulating shell 12, the other end of each compression spring 18 is jointed with the side wall of the corresponding limit block 17, the axis of each T-shaped rod 16 is opposite to the axis of the corresponding jack 13, the center of the top end of the wiring shell 1 is provided with a placing groove 20, a vertical rod 23 is arranged in the placing groove 20, a first conductive barrel 24 is fixedly mounted at the top end of the vertical rod 23, the bottom end of the vertical rod 23 penetrates out of the placing groove 20 and extends into a through groove of the wiring shell 1, a pressing block 21 is fixedly mounted at the bottom end of the vertical rod 23, an extrusion ring 22 is fixedly mounted on the top surface of the through groove of the wiring shell 1, the pressing block 21 extends into the extrusion ring 22 and is closely attached to the extrusion ring 22, a plurality of cross rods 25 are uniformly and fixedly connected to one side wall of each locking ring 3, one end of each cross rod 25 extends into the wiring shell 1, a clamping block 26 is fixedly mounted at one end of each cross rod 25 extending into the wiring shell 1, a dovetail groove 27 is formed in the side wall of each clamping block 26, a dovetail block 28 is slidably connected in each dovetail groove 27, a first extrusion block 29 is fixedly mounted at one end of each dovetail block 28, and each first extrusion block 29 is U-shaped, two groups of second spring barrels 30 are uniformly and fixedly installed on two sides of the inner wall of the wiring shell 1, each group of second spring barrels 30 is four, the four second spring barrels 30 on the same side of displacement are arranged up and down symmetrically, a second sliding rod 31 is connected in each second spring barrel 30 in a sliding manner, one end of each second sliding rod 31 penetrates through the corresponding second spring barrel 30 and is connected with the corresponding second spring barrel in a sliding manner, an arc-shaped guide block 32 is fixedly connected between one end of each two second sliding rods 31, a second sliding block 50 is connected in each second spring barrel 30 in a sliding manner, a second spring 51 is arranged in each second spring barrel 30, the bottom end of each second spring 51 is attached to the inner wall of the corresponding second spring barrel 30, the top end of each second spring 51 is attached to one end of the corresponding second sliding block 50, and the other end of each second sliding block 50 is fixedly connected with one end of the corresponding second sliding rod 31, a group of internal thread rings 33 are fixedly installed on the outer walls of two sides of each wiring shell 1, two internal thread rings 33 are arranged, the two internal thread rings 33 positioned on the same side are arranged up and down symmetrically, an external thread block 34 is screwed in each internal thread ring 33, one end of each external thread block 34 is fixedly connected with a positioning rod 35, a second extrusion block 36 is connected on each positioning rod 35 in a sliding manner, the second extrusion block 36 is arc-shaped, a second conductive sheet 37 is inserted into the inner walls of two sides of the through groove of the wiring shell 1, the second conductive sheet 37 is cylindrical, one end of the second conductive sheet 37 is horn-shaped, one end of each allochroic ceramic 14 extends into the horn-shaped opening of the corresponding second conductive sheet 37 and is attached to the second conductive sheet, a fixed positioning cylinder 38 is connected on each second conductive sheet 37, the cross section of each positioning cylinder 38 is T-shaped, a rotating disk 39 is fixedly sleeved on the outer wall of each positioning cylinder 38, the outer wall of each rotating disc 39 is fixedly sleeved with a rotating ring 40, the inner walls of two sides inside the wiring shell 1 are respectively provided with a rotating groove 42, each rotating ring 40 is positioned in the corresponding rotating groove 42 and is rotatably connected with the rotating groove, two sides of the bottom end of the wiring shell 1 are respectively provided with an adjusting groove 43, each adjusting groove 43 is communicated with the corresponding rotating groove 42, each adjusting groove 43 is internally rotatably connected with an adjusting wheel 41 through a pin shaft, two sides of each second conducting strip 37 are respectively provided with an insulated ventilating pipe 44 in a laminating manner, each insulated ventilating pipe 44 is a multi-way pipe, a plurality of ventilating ends of each insulated ventilating pipe 44 are respectively communicated with the outside, each insulated ventilating pipe 44 is fixedly connected with the inner wall of the wiring shell 1, the top end of each second conducting strip 37 is respectively provided with a fourth conducting strip 48 in a laminating manner, each second conducting strip 37 is fixedly provided with a positioning hole 47, one end of each positioning rod 35 is respectively extended into the corresponding positioning hole 47, the top end of each fourth conducting strip 48 penetrates through the outer wall of the wiring shell 1 and is fixedly connected with the outer wall, the top end of the wiring shell 1 is provided with a second insulating shell 45 in a laminating mode, a third conducting strip 46 is fixedly installed in the second insulating shell 45, connecting strips 49 are fixedly installed on two sides of the bottom end of the third conducting strip 46 respectively, and the bottom end of each connecting strip 49 extends into the top end of the corresponding fourth conducting strip 48 and is closely attached to the top end of the corresponding fourth conducting strip 48.

The outer wall of the adjusting wheel 41 is provided with meshing teeth, the outer wall of the rotating ring 40 is provided with meshing teeth, and the two are meshed through the meshing teeth.

The rotating disc 39, the rotating ring 40 and the regulating wheel 41 are all made of insulating materials.

The positioning rod 35 is provided with a limiting block, the limiting block is attached to the second extrusion block 36, and the inner wall of the first extrusion block 29 is wrapped with extrusion rubber.

The diameter of the T-shaped rod 16 is 1-2mm smaller than that of the jack 13, and the T-shaped rod 16 is made of a conductive material.

The wire cutting frame 2 is integrally U-shaped, and a blade is fixedly arranged on the U-shaped inner wall of the wire cutting frame 2.

The working principle is as follows: when in use, firstly, the cable and the device are installed to ensure that the power-on work can be normally carried out, the installation process comprises the steps of firstly taking out two cables to be connected, then selecting a proper position to be placed in the tangent frame 2, then peeling off the cable skin on the outer surface, thus carrying out the next installation, placing the peeled cables aside for standby, rotating the locking ring 3 by an operator to ensure that the locking ring can be separated from the wiring shell 1, then pulling the locking ring 3 outwards, then leading the peeled cables to pass through the locking ring 3, adding a rubber ring between the locking ring 3 and the cables to ensure that the cables can be stably fixed with the locking ring 3 to generate enough friction force, arranging a plurality of transverse rods 25 and clamping blocks 26, thus clamping the peeled cables in the clamping blocks 26 in sequence, then pushing the clamping blocks 26 to be provided with first extrusion blocks 29 to ensure that the first extrusion blocks 29 extrude copper wires, finishing the preliminary fixing of the copper wire, at this time, loosening the locking ring 3, so that the locking ring 3 will automatically contract towards the first spring cylinders 6 under the action of the plurality of first spring cylinders 6, and in the process of automatically retracting the cable, the second spring cylinders 30, the second sliding rods 31 and the arc-shaped guide blocks 32 are arranged to play a role of guiding and limiting, thereby avoiding the problem that the cable is bent and the like, at this time, an operator uses a thumb to stir the adjusting wheel 41 in the adjusting groove 43, so that the adjusting wheel 41 will drive the adjusting wheel 41 to rotate, similarly, the second conducting strip 37, the positioning cylinder 38 and the rotating disk 39 will start to rotate, so that after the second conducting strip 37 rotates, because the cable is always contracted inwards under the action of the first spring cylinders 6, so that the second conducting strip 37 can be inserted into the cable with the help of people, so that the secondary cable is fixed in the connection housing 1, after the second conductive sheet 37 is inserted into the cable, the electric conduction can be formed, and the electric power is transmitted, but at the moment, the external thread block 34 is rotated to enter the internal thread ring 33, so that the positioning rod 35 can penetrate through the outer wall of the cable to enter the positioning hole 47, and the second extrusion block 36 is arranged on the positioning rod 35, so that after the upper positioning rod 35 and the lower positioning rod 35 are inserted, the cable can be fixed again, meanwhile, the second conductive sheet 37 and the two positioning rods 35 are crossed with each other, so that the cable can be kept stable to the maximum, at the moment, the locking ring 3 can be rotated to enable the locking ring 3 to be in threaded connection with the wiring shell 1, so that the final fixation is completed, and the cable can be stably conducted.

Meanwhile, a first insulating shell 12, a jack 13, color-changing ceramics 14, an insulating cylinder 15, a T-shaped rod 16, a limiting block 17, a compression spring 18 and a diode 19 are arranged in a through groove of the wiring shell 1, so that the connected cable can be preliminarily detected, or the subsequent problem can be eliminated, when the T-shaped rod 16 on the left side is pressed, one end of the T-shaped rod 16 can be in contact with the color-changing ceramics 14 through the jack 13, the color-changing ceramics 14 has very strong resistance, the safety of an operator is ensured, therefore, when a circuit is communicated with a human body and no problem exists, the diode 19 can emit light, the arrangement of the color-changing ceramics 14 can well sense the temperature of the second conducting strip 37, when the temperature is high and danger is easily caused, the operator can easily find the temperature, so as to process the circuit, and when the T-shaped rod 16 on the right side is pressed, the detection effect is that the detection is carried out together with the third conducting strip 46 and the fourth conducting strip 48, meanwhile, the insulating ventilation pipe 44 is arranged, the insulating ventilation pipe 44 is a multi-way pipe, so that heat dissipation can be effectively carried out inside the wiring shell 1, the connecting ring 4, the first hinging block 5, the first spring barrel 6, the first sliding rod 7, the second hinging block 8, the hinging piece 9, the first sliding block 10 and the first spring 11 are arranged, the self retraction of the cable can be well ensured by utilizing the elasticity of the first spring 11, the second insulating shell 45 and the third conducting strip 46 are arranged, so that the device can normally conduct electricity, meanwhile, the third conducting strip 46 is convenient to replace, the placing groove 20, the pressing block 21, the extruding ring 22, the vertical rod 23 and the first conducting strip 24 are arranged, the switch function is achieved, when the first conducting strip 24 extends into the space between the two third conducting strips 46, a passage is formed, so that electric power transmission can be carried out, when the first conducting strip 24 returns to the placing groove 20, the delivery of power is interrupted.

The device passes through locking ring 3, locating lever 35 and the setting of second conducting strip 37 for the cable can be fixed with wiring casing 1 through multiple fixed mode, it is more firm to make fixed effect, thereby avoid because draw the copper line that leads to and the problem of conducting structure contact failure of dragging, be provided with the self-checking structure simultaneously, can accomplish the back at the installation, whether contact well by oneself detects, and also can play the work of supplementary detection in subsequent testing process, make things convenient for operating personnel to use.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cable connecting device for electric power engineering, includes wiring casing (1), its characterized in that: the wiring shell (1) is integrally square, a through groove is formed in the middle of the wiring shell (1), wire cutting frames (2) are fixedly mounted on two sides of the top end of the wiring shell (1) respectively, locking rings (3) are in threaded connection with two ends of the wiring shell (1) respectively, a connecting ring (4) in rotary connection is sleeved on the outer wall of each locking ring (3), a plurality of first hinging blocks (5) are uniformly and fixedly connected on one side wall of each connecting ring (4) in an annular mode, a hinging piece (9) is hinged on each first hinging block (5) through a pin shaft, a first spring barrel (6) is fixedly mounted at one end of each hinging piece (9), a first sliding rod (7) is slidably connected in each first spring barrel (6), a first sliding block (10) is slidably connected in each first spring barrel (6), and a first sliding block (10) corresponding to one end of each first sliding rod (7) is fixedly connected to the side wall of each first sliding block (10), the other end of each first sliding rod (7) penetrates out of the first spring barrel (6) and is in sliding connection with the first spring barrel, a first spring (11) is sleeved on each first sliding rod (7), each first spring (11) is arranged in the first spring barrel (6), one end of each first spring (11) is attached to the inner wall of one side of the first spring barrel (6), the other end of each first spring (11) is attached to the side wall of the corresponding first sliding block (10), a plurality of second hinging blocks (8) are uniformly and fixedly arranged on two sides of the outer wall of each wiring shell (1), each second hinging block (8) is hinged to the corresponding first sliding rod (7) through a pin shaft, first insulating shells (12) are fixedly arranged on the inner walls of two sides of the central through groove of the wiring shell (1), and jacks (13) are fixedly arranged on each first insulating shell (12), each first insulating shell (12) is internally provided with color-changing ceramics (14), one side wall of each first insulating shell (12) is fixedly provided with an insulating cylinder (15), each insulating cylinder (15) is communicated with a corresponding jack (13), each insulating cylinder (15) is internally provided with a T-shaped rod (16), one end of each T-shaped rod (16) penetrates out of the corresponding inner insulating cylinder (15) and is jointed and slidably connected with the corresponding inner insulating cylinder, each T-shaped rod (16) is fixedly provided with a limiting block (17), each limiting block (17) is fixedly provided with a diode (19), each T-shaped rod (16) is sleeved with a compression spring (18), one end of each compression spring (18) is jointed with one side of the corresponding first insulating shell (12), the other end of each compression spring (18) is jointed with the corresponding side wall of the limiting block (17), the axis of each T-shaped rod (16) is opposite to the corresponding jack (13), the wiring shell is characterized in that a placing groove (20) is arranged in the center of the top end of the wiring shell (1), a vertical rod (23) is arranged in the placing groove (20), a first conductive tube (24) is fixedly arranged at the top end of the vertical rod (23), the bottom end of the vertical rod (23) penetrates out of the placing groove (20) and extends into a through groove of the wiring shell (1), a pressing block (21) is fixedly arranged at the bottom end of the vertical rod (23), an extruding ring (22) is fixedly arranged on the top surface in the through groove of the wiring shell (1), the pressing block (21) extends into the extruding ring (22) and is closely attached to the extruding ring (22), a plurality of transverse rods (25) are uniformly and fixedly connected onto one side wall of each locking ring (3), one end of each transverse rod (25) extends into the wiring shell (1), and one end of each transverse rod (25) extending into the wiring shell (1) is fixedly provided with a clamping block (26), the side wall of each clamping block (26) is provided with a dovetail groove (27), each dovetail groove (27) is internally and slidably connected with a dovetail block (28), one end of each dovetail block (28) is fixedly provided with a first extrusion block (29), each first extrusion block (29) is U-shaped, two groups of second spring cylinders (30) are uniformly and fixedly arranged on two sides of the inner wall of the wiring shell (1), each group of second spring cylinders (30) is four, the four second spring cylinders (30) on the same side of displacement are arranged in an up-and-down symmetrical mode, each second spring cylinder (30) is internally and slidably connected with a second sliding rod (31), one end of each second sliding rod (31) penetrates out of the corresponding second spring cylinder (30) and is slidably connected with the corresponding second spring cylinder, an arc-shaped guide block (32) is fixedly connected between one end of each two second sliding rods (31), and a second sliding block (50) is slidably connected in each second spring cylinder (30), a second spring (51) is arranged in each second spring barrel (30), the bottom end of each second spring (51) is attached to the inner wall of the corresponding second spring barrel (30), the top end of each second spring (51) is attached to one end of the corresponding second sliding block (50), the other end of each second sliding block (50) is fixedly connected with one end of the corresponding second sliding rod (31), a group of internal thread rings (33) are fixedly installed on the outer walls of the two sides of each wiring shell (1), two internal thread rings (33) are arranged, the two internal thread rings (33) positioned on the same side are vertically and symmetrically arranged, an external thread block (34) is screwed in each internal thread ring (33), one end of each external thread block (34) is fixedly connected with a positioning rod (35), and a second extrusion block (36) is slidably connected on each positioning rod (35), the second extrusion block (36) is arc-shaped, second conducting strips (37) are inserted into the inner walls of two sides of the through groove of the wiring shell (1), the second conducting strips (37) are cylindrical, one end of each second conducting strip (37) is horn-shaped, one end of each discoloring ceramic (14) extends into the horn-shaped opening of the corresponding second conducting strip (37) and is attached to the corresponding second conducting strip, each second conducting strip (37) is fixedly sleeved with a positioning cylinder (38), the cross section of each positioning cylinder (38) is T-shaped, the outer wall of each positioning cylinder (38) is fixedly sleeved with a rotating disc (39), the outer wall of each rotating disc (39) is fixedly sleeved with a rotating ring (40), the inner walls of two sides in the wiring shell (1) are respectively provided with a rotating groove (42), each rotating ring (40) is positioned in the corresponding rotating groove (42) and is rotatably connected with the rotating groove (42), the bottom end of the wiring shell (1) is provided with adjusting grooves (43) on two sides, each adjusting groove (43) is communicated with a corresponding rotating groove (42), each adjusting groove (43) is connected with an adjusting wheel (41) in a rotating mode through a pin shaft, two sides of each second conducting strip (37) are provided with insulating ventilating pipes (44) in a laminating mode, each insulating ventilating pipe (44) is a multi-way pipe, a plurality of ventilating ends of each insulating ventilating pipe (44) are communicated with the outside, each insulating ventilating pipe (44) is fixedly connected with the inner wall of the wiring shell (1), the top end of each second conducting strip (37) is provided with a fourth conducting strip (48) in a laminating mode, each second conducting strip (37) is fixedly provided with a positioning hole (47), one end of each positioning rod (35) extends into the corresponding positioning hole (47), and the top end of each fourth conducting strip (48) penetrates through the outer wall of the wiring shell (1) and is fixedly connected with the wiring shell, the top end of the wiring shell (1) is attached to a second insulating shell (45), a third conducting strip (46) is fixedly mounted in the second insulating shell (45), connecting strips (49) are fixedly mounted on two sides of the bottom end of the third conducting strip (46) respectively, and the bottom end of each connecting strip (49) extends into the top end of the corresponding fourth conducting strip (48) and is closely attached to the top end of the corresponding fourth conducting strip.

2. The cable connection device for electric power engineering according to claim 1, wherein: the outer wall of the adjusting wheel (41) is provided with meshing teeth, the outer wall of the rotating ring (40) is provided with meshing teeth, and the adjusting wheel and the rotating ring are meshed through the meshing teeth.

3. The cable connection device for electric power engineering according to claim 1, wherein: the rotating disc (39), the rotating ring (40) and the adjusting wheel (41) are all made of insulating materials.

4. The cable connection device for electric power engineering according to claim 1, wherein: the positioning rod (35) is provided with a limiting block, the limiting block is attached to the second extrusion block (36), and the inner wall of the first extrusion block (29) is wrapped with extrusion rubber.

5. The cable connection device for electric power engineering according to claim 1, wherein: the diameter of the T-shaped rod (16) is 1-2mm smaller than that of the jack (13), and the T-shaped rod (16) is made of a conductive material.

6. The cable connecting device for electric power engineering according to claim 1, wherein: the wire cutting frame (2) is integrally U-shaped, and a blade is fixedly mounted on the U-shaped inner wall of the wire cutting frame (2).