CN109244684B - Branch connection mechanism of municipal administration power cable - Google Patents
Branch connection mechanism of municipal administration power cable Download PDFInfo
- Publication number
- CN109244684B CN109244684B CN201811176153.6A CN201811176153A CN109244684B CN 109244684 B CN109244684 B CN 109244684B CN 201811176153 A CN201811176153 A CN 201811176153A CN 109244684 B CN109244684 B CN 109244684B
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- pipe fitting
- block
- shell
- fixing
- arc piece
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- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- -1 polyethylene Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000004020 conductor Substances 0.000 description 8
- 238000002788 crimping Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009967 tasteless effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
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- Cable Accessories (AREA)
Abstract
The invention relates to the technical field of power cables, in particular to a branch connecting mechanism of a municipal power cable, which comprises a first shell and a second shell, wherein the first shell is placed on the upper surface of the second shell, communicated openings are formed between the first shell and the second shell, the first shell and the second shell are connected through a plurality of positioning mechanisms, a first arc piece and a second arc piece are respectively arranged inside the first shell, the first arc piece is placed at the top of the second arc piece, and the first arc piece is installed on the top surface inside the first shell through a plurality of second installation rods. According to the screw and the screw tube, the metal block and the curved plate are driven to move by operating the rotation of the screw in the screw tube, so that the metal block is contacted with the electric core of the main cable, the branch cable is conveniently connected with the main cable, the connection between the screw and the screw tube is stable, and the contact stability between the branch cable and the main cable is improved.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a branch connecting mechanism of a municipal power cable.
Background
Cable products in the power industry are laid along the trend of power transmission and distribution lines to transmit power to each electric device, when power is distributed, a cable connector is often used for connecting a main cable and a branch cable, so that the power is transmitted from the main cable to the branch cable and further transmitted to the electric device, when a cable branch line in the prior art is connected, a C-shaped pipe is generally adopted for connecting a main cable conductor and a branch cable conductor, the crimping strength is not easy to master in the crimping process, the crimping is not reliable due to over-loose connection, the loosening and falling are easy, the conductor strand breakage or even the conductor full breakage is caused due to over-tight crimping, the positioning is not easy during crimping, the conductor of a branch structure and the main cable conductor are difficult to connect at a joint part, the traditional cable branch structure adopts a direct lap joint connection mode, the branch conductor and the main cable conductor are connected by riveting or twisting after being lapped at the branch part, the branch cable connection structure is large in size, production equipment and production process routes are inconvenient to arrange, installation is difficult, connection strength is not enough, and contact performance is not good.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a branch connection mechanism of a municipal power cable.
In order to achieve the purpose, the invention adopts the following technical scheme:
a branch connecting mechanism of a municipal power cable is designed, and comprises a first shell and a second shell, wherein the first shell is placed on the upper surface of the second shell, communicated openings are formed between the first shell and the second shell, the first shell and the second shell are connected through a plurality of positioning mechanisms, a first circular arc piece and a second circular arc piece are respectively arranged inside the first shell, the first circular arc piece is placed at the top of the second circular arc piece, the first circular arc piece is installed on the inner top surface of the first shell through a plurality of second installation rods, the first circular arc piece and the second circular arc piece are respectively connected through a fixing mechanism and a movable mechanism, an adjusting mechanism is arranged at the bottom of the second circular arc piece in a penetrating manner, the adjusting mechanism comprises a first pipe fitting, one end of the first pipe fitting is arranged at the bottom of the second circular arc piece in a penetrating manner, a first installation block and a second installation block are respectively installed inside the first pipe fitting in a matching manner, so that the first mounting block and the second mounting block respectively slide along the inner wall of the first pipe fitting, the first mounting block is positioned at one end of the first pipe fitting, which is far away from the second arc-shaped piece, the side surface of the first mounting block is provided with a solenoid in a penetrating way, one end of the first pipe fitting, which is far away from the second arc piece, is provided with a plurality of first baffle plates through locking screws, the upper surface of each first baffle plate is contacted with the bottom surface of the first mounting block, a first spring is sleeved on the spiral pipe, two ends of the first spring are respectively connected with the first mounting block and the second mounting block, the screw is connected with the inner thread of the screw tube, one end of the screw extends to the outer side of the first pipe fitting, the other end of the screw rod penetrates through the second mounting block and extends to one side of the second mounting block, a curved plate is arranged at the other end of the screw rod, the inside mounting of bent plate has the metal block, set up the second through-hole of intercommunication between screw rod and the bent plate.
Preferably, the upper surface of the metal block is provided with a groove corresponding to the second through hole, a first concave part is arranged inside the groove, and the first concave part is made of a copper metal material.
Preferably, positioning mechanism is equipped with two at least and the symmetry is installed on the side of two symmetries of first casing and second casing, positioning mechanism includes first rectangular piece and second rectangular piece, and first rectangular piece and second rectangular piece are installed respectively on the side of first casing and second casing, the position of first rectangular piece and second rectangular piece corresponds, the dovetail that corresponds with second rectangular piece position is seted up to the bottom surface of first rectangular piece, and the dovetail piece is installed in the inside matching of dovetail.
Preferably, the bottom of the first arc piece is provided with a heat insulation rubber pad.
Preferably, the fixing mechanism comprises a fixing block and a fixing plate, the fixing block and the fixing plate are respectively installed outside the first circular arc part and the second circular arc part, one end of the fixing block is movably installed with a strip plate, the upper surface of the fixing plate is provided with a first through hole corresponding to the position of the strip plate, one end of the strip plate penetrates through the first through hole and extends to the lower part of the fixing plate, the side surface of the strip plate is provided with a strip hole, a second fixing rod is arranged inside the strip hole, the second fixing rod is sleeved with a second pipe fitting so that the second pipe fitting slides along the side surface of the second fixing rod, the second fixing rod is sleeved with a third spring, two ends of the third spring are respectively connected with the end part of the second pipe fitting and the strip plate, the side surface of the second pipe fitting is provided with two second concave parts, fixing shafts are installed inside the two second concave parts, and connecting rods are sleeved on the two fixing shafts, the connecting rods are enabled to rotate along the surfaces of the fixed shafts, one ends of the two connecting rods all extend to the outer sides of the strip holes, the first check blocks are installed at one ends of the two connecting rods, the upper surfaces of the two first check blocks all contact with the bottom of the fixed plate, the second pipe fitting and the connecting rods are connected through the telescopic rods, the second springs are sleeved on the telescopic rods, the two ends of the second springs are connected with the second pipe fitting and the connecting rods respectively, and the minimum distance between the two first check blocks is smaller than the radial size of the first through holes.
Preferably, the telescopic link includes the third pipe fitting, and the side at the second pipe fitting is installed to the one end of third pipe fitting, the other end of third pipe fitting is pegged graft and is had first installation pole for first installation pole slides along the inner wall of third pipe fitting, and the one end and the connecting rod of first installation pole are connected, two second baffles are installed to the inside symmetry at least of opening of the other end of third pipe fitting, the one end that first installation pole is located the inside of third pipe fitting has cup jointed the second baffle, and the side of second baffle contacts with the side of second baffle, and the second spring cup joints on third pipe fitting and first installation pole.
Preferably, the movable mechanism comprises two first fixing rods, one ends of the two first fixing rods are respectively installed on the first arc part and the second arc part, and the other ends of the two first fixing rods are inclined and hinged through a pin shaft.
Preferably, the first baffle is provided with at least two baffles which are symmetrically arranged.
Preferably, the curved plate is made of polyethylene plastic.
Preferably, the first and second housings are made of polypropylene plastic.
The branch connecting mechanism of the municipal power cable has the advantages that: the screw and the screw tube are arranged, the screw is operated to rotate in the screw tube so as to drive the metal block and the curved plate to move, the metal block is in contact with the electric core of the main cable, the branch cable is conveniently connected with the main cable, the screw and the screw tube are stably connected, and the stability of contact between the branch cable and the main cable is improved.
The first spring, the first installation piece and the second installation piece that are equipped with, first installation piece is used for fixing the position of solenoid, and first spring is used for promoting the second installation piece moreover and supports the bent plate, further improves the stability of metal block and thread cable electricity core contact.
The first baffle and the locking screw which are arranged can be used for conveniently moving out the first pipe fitting through the screw rod, the solenoid, the curved plate, the metal block, the first spring, the first mounting block and the second mounting block, so that the separation between the branch cable and the main cable is facilitated, and the operation of workers is facilitated.
The second through hole is arranged, so that the branch cable can conveniently penetrate through the second through hole to be connected with the first concave part, and the convenience of installation of the branch cable is improved.
Drawings
FIG. 1 is a front cross-sectional view of a branch connection of a municipal power cable according to the invention;
FIG. 2 is a top view of a branch connection for a municipal power cable according to the invention;
FIG. 3 is a schematic view of a screw and curved plate connection structure of a branch connection mechanism for a municipal power cable according to the present invention;
FIG. 4 is an enlarged schematic view of a branch connection of a municipal power cable according to the invention at A;
FIG. 5 is a schematic view of a connection structure of a first arc member and a second arc member of a branch connection mechanism for a municipal power cable according to the present invention;
FIG. 6 is an enlarged schematic view of a branch connection mechanism of a municipal power cable according to the invention at B;
FIG. 7 is a schematic structural view of a branch connection mechanism of a municipal power cable according to the present invention;
fig. 8 is a schematic view of a telescopic rod structure of a branch connection mechanism of a municipal power cable according to the invention.
In the figure: dovetail block 1, dovetail groove 2, cable core 3, first housing 4, main cable 5, first long block 6, second long block 7, second housing 8, branch cable 9, second mounting rod 10, curved plate 11, first concave part 12, metal block 13, groove 14, first pipe 15, screw 16, first through hole 17, first arc part 18, second arc part 19, first spring 20, first baffle 21, first mounting block 22, locking screw 23, spiral pipe 24, second spring 25, heat-insulating rubber pad 26, second mounting block 27, fixing plate 28, long strip plate 29, fixing block 30, pin shaft 31, first fixing rod 32, third spring 33, second fixing rod 34, long strip hole 35, first baffle 36, second pipe 37, second concave part 38, fixing shaft 39, connecting rod 40, third pipe 41, first mounting rod 42, second through hole 43, second baffle 44, And a second stopper 45.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, a branch connection mechanism for municipal power cables comprises a first housing 4 and a second housing 8, wherein the first housing 4 and the second housing 8 are made of polypropylene plastic, the polypropylene plastic is a non-toxic, odorless and tasteless milky high-crystalline polymer, and the polypropylene is a non-toxic, odorless and tasteless milky high-crystalline polymer, so that the weight of the device is reduced, the device is convenient to carry, the crystallinity of the polypropylene is high, the structure is regular, and therefore the branch connection mechanism has excellent mechanical properties, and the strength, hardness and elasticity of the branch connection mechanism are higher than those of HDPE, so that the protection performance of the first housing 4 and the second housing 8 on internal contact is improved.
The first shell 4 is placed on the upper surface of the second shell 8, communicated openings are formed between the first shell 4 and the second shell 8, the first shell 4 and the second shell 8 are connected through a plurality of positioning mechanisms, at least two positioning mechanisms are arranged and symmetrically arranged on two symmetrical side surfaces of the first shell 4 and the second shell 8, each positioning mechanism comprises a first long block 6 and a second long block 7, the first long block 6 and the second long block 7 are respectively arranged on the side surfaces of the first shell 4 and the second shell 8, the first long block 6 corresponds to the second long block 7 in position, a dovetail groove 2 corresponding to the second long block 7 in position is formed in the bottom surface of the first long block 6, a tail block 1 is arranged inside the dovetail groove 2 in a matched mode, and the stability of dovetail connection between the first shell 4 and the second shell 8 is improved by adding the dovetail groove 2 and the dovetail block 1, while also facilitating disassembly between the first housing 4 and the second housing 8.
First casing 4's inside is equipped with first circular arc piece 18 and second circular arc piece 19 respectively, first circular arc piece 18 is placed at the top of second circular arc piece 19, first circular arc piece 18 is installed at first casing 4's inside top surface through a plurality of second installation poles 10, the bottom of first circular arc piece 18 is equipped with thermal-insulated rubber pad 26, thermal-insulated rubber pad 26 not only is used for playing insulating effect, inject the position of cable core 3 simultaneously, thereby prevent cable core 3 when contacting with metal block 13, avoid cable core 3 to take place the bending, thereby be convenient for metal block 13 and cable core 3 contact.
The first arc part 18 and the second arc part 19 are connected through a fixing mechanism and a movable mechanism respectively, the fixing mechanism comprises a fixing block 30 and a fixing plate 28, the fixing block 30 and the fixing plate 28 are installed outside the first arc part 18 and the second arc part 19 respectively, one end of the fixing block 30 is movably installed with a long strip plate 29, the upper surface of the fixing plate 28 is provided with a first through hole 17 corresponding to the position of the long strip plate 29, one end of the long strip plate 29 penetrates through the first through hole 17 and extends to the lower part of the fixing plate 28, the side surface of the long strip plate 29 is provided with a long strip hole 35, a second fixing rod 34 is arranged inside the long strip hole 35, a second pipe 37 is sleeved on the second fixing rod 34, so that the second pipe 37 slides along the side surface of the second fixing rod 34, a third spring 33 is sleeved on the second fixing rod 34, two ends of the third spring 33 are connected with the end part of the second pipe 37 and the long strip, the side surface of the second pipe fitting 37 is provided with two second concave parts 38, fixed shafts 39 are respectively arranged inside the two second concave parts 38, connecting rods 40 are respectively sleeved on the two fixed shafts 39, so that the connecting rods 40 rotate along the surfaces of the fixed shafts 39, one ends of the two connecting rods 40 extend to the outer sides of the long holes 35, first stop blocks 36 are respectively arranged at one ends of the two connecting rods 40, the upper surfaces of the two first stop blocks 36 are respectively contacted with the bottom of the fixed plate 28, the second pipe fitting 37 is connected with the connecting rods 40 through telescopic rods, second springs 25 are sleeved on the telescopic rods, two ends of the second springs 25 are respectively connected with the second pipe fitting 37 and the connecting rods 40, the minimum distance between the two first stop blocks 36 is smaller than the radial size of the first through holes 17, when the second arc part 19 is connected and fixed with the first arc part 18, the second arc part 19 is firstly rotated upwards, so that the second arc part 19 is contacted with the first arc part 18, while rotating the second arc-shaped member 19, the strip plate 29 is rotated so that the strip plate 29 passes through the first through hole 17 and extends to the lower side of the fixing plate 28, before the strip plate 29 passes through the first through hole 17, the two first stoppers 36 are pressed so that the connecting rod 40 rotates on the fixing shaft 39, so that the connecting rod 40 compresses the telescopic rod and the second spring 25, thereby the connecting rod 40 and the first stoppers 36 are contracted to the inside of the strip hole 35 so that the two first stoppers 36 can pass through the first through hole 17, after the strip plate 29 passes through the first through hole 17, the second pipe 37 is pulled downward, the second pipe 37 stretches the length of the third spring 33 while the second fixing rod 34 slides, when the two first stoppers 36 are stretched to the lower side of the fixing plate 28, the pressure on the two first stoppers 36 is removed, and after the second spring 25 is not subjected to the pressure, the second spring 25 pushes the connecting rod 40 to be unfolded by its own acting force, then, the pulling force on the second pipe 37 is removed, so that the upper surface of the first stopper 36 is brought into close contact with the bottom surface of the fixing plate 28, and the connection and fixation between the first arc-shaped member 18 and the second arc-shaped member 19 is completed.
The telescopic rod comprises a third pipe fitting 41, one end of the third pipe fitting 41 is arranged on the side surface of the second pipe fitting 37, the other end of the third pipe fitting 41 is inserted with a first mounting rod 42, so that the first mounting rod 42 slides along the inner wall of the third pipe 41, at least two second stoppers 45 are symmetrically mounted inside the opening at the other end of the third pipe 41, the second baffle 44 is sleeved at one end of the first mounting rod 42 located inside the third pipe 41, the side surface of the second baffle 44 contacts with the side surface of the second stopper 45, the second spring 25 is sleeved on the third pipe 41 and the first mounting rod 42, the telescopic rod is used for limiting the position of the connecting rod 40, at the time of position limitation of the connecting rod 40, since the first mounting rod 42 is stretched to a certain length, the second stopper 44 is brought into contact with the second stopper 45, for blocking the movement of the first mounting rod 42 and thereby limiting the position of the connecting rod 40.
The movable mechanism comprises two first fixing rods 32, one ends of the two first fixing rods 32 are respectively installed on the first arc part 18 and the second arc part 19, and the other ends of the two first fixing rods 32 are inclined and hinged through a pin shaft 31, so that the first arc part 18 and the second arc part 19 can rotate mutually, and the first arc part 18 and the second arc part 19 can be opened and closed conveniently.
The bottom of second circular arc piece 19 runs through and is equipped with adjustment mechanism, adjustment mechanism includes first pipe fitting 15, the one end of first pipe fitting 15 runs through and installs the bottom at second circular arc piece 19, the inside of first pipe fitting 15 matches respectively and installs first installation piece 22 and second installation piece 27, make first installation piece 22 and second installation piece 27 slide along the inner wall of first pipe fitting 15 respectively, first installation piece 22 is located the one end that second circular arc piece 19 was kept away from to first pipe fitting 15, the side of first installation piece 22 runs through and installs solenoid 24, a plurality of first baffles 21 are installed through locking screw 23 to the one end that second circular arc piece 19 was kept away from to first pipe fitting 15, the upper surface of first baffle 21 and the bottom surface contact of first installation piece 22, first baffle 21 is equipped with two at least and symmetrical arrangement, improve the stability of supporting first pipe fitting 15 inner structure.
The other end of screw rod 16 is equipped with curved plate 11, the internally mounted of curved plate 11 has metal block 13, set up the second through-hole 43 of intercommunication between screw rod 16 and the curved plate 11, the recess 14 that corresponds with second through-hole 43 position is seted up to the upper surface of metal block 13, the inside of recess 14 is equipped with first concave part 12, first concave part 12 is made for copper metal material, through adding recess 14, provide sufficient space, be convenient for the sinle silk of branch cable 9 to connect on first concave part 12, and first concave part 12 is made by copper metal material, make the electric conductive property of first concave part 12 good, curved plate 11 is made by polyethylene plastics, polyethylene plastics has corrosion resistance, electric insulation, and the hardness and the intensity of curved plate 11 are higher.
The working principle is as follows: when the branch cable 9 and the main cable 5 are connected, one end of the main cable 5 sequentially penetrates through two symmetrical side walls of the first shell 4, the main cable 5 is positioned inside the first arc piece 18, one end of the branch cable 9 is installed at the bottom of the second shell 8 in a penetrating manner and extends to the back of the second shell 8, then the insulating material of a partial line section of the main cable 5 positioned inside the first arc piece 18 is cut off to expose the cable core 3, after the cutting off is completed, the second arc piece 19 and the first arc piece 18 are connected and fixed, when the branch cable 9 is contacted with the main cable 5, one end of the branch cable 9 firstly penetrates through the second through hole 43, then the cable core of the branch cable 9 is bound on the first concave piece 12, and then the screw 16, the spiral tube 24, the curved plate 11, the metal block 13, the first spring 20, the first installation block 22 and the second installation block 27 are sequentially installed inside the first tube 15, then the first baffle 21 is installed at the bottom of the first pipe 15 and extends to the bottom surface of the first installation block 22, finally the first baffle 21 is fixedly connected with the first pipe 15 through the locking screw 23, then the screw 16 is rotated, the screw 16 rotates in the screw pipe 24 and simultaneously drives the curved plate 11 to move, so that the metal block 13 is pushed to be in contact with the cable core 3, and the connection of the branch cable 9 and the main cable 5 is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A branch connecting mechanism of a municipal power cable comprises a first shell (4) and a second shell (8), wherein the first shell (4) is placed on the upper surface of the second shell (8), and communicated openings are formed between the first shell (4) and the second shell (8), the branch connecting mechanism is characterized in that the first shell (4) and the second shell (8) are connected through a plurality of positioning mechanisms, a first arc piece (18) and a second arc piece (19) are respectively arranged inside the first shell (4), the first arc piece (18) is placed at the top of the second arc piece (19), the first arc piece (18) is installed on the inner top surface of the first shell (4) through a plurality of second installation rods (10), and the first arc piece (18) is connected with the second arc piece (19) through a fixed mechanism and a movable mechanism respectively, the bottom of the second arc piece (19) penetrates through and is provided with an adjusting mechanism, the adjusting mechanism comprises a first pipe fitting (15), one end of the first pipe fitting (15) penetrates through and is installed at the bottom of the second arc piece (19), a first installation block (22) and a second installation block (27) are installed inside the first pipe fitting (15) in a matched mode respectively, the first installation block (22) and the second installation block (27) slide along the inner wall of the first pipe fitting (15) respectively, the first installation block (22) is located at one end, far away from the second arc piece (19), of the first pipe fitting (15), the side face of the first installation block (22) penetrates through and is provided with a screwed pipe (24), one end, far away from the second arc piece (19), of the first pipe fitting (15) is provided with a plurality of first baffles (21) through locking screws (23), and the upper surface of the first baffle (21) is in contact with the bottom face of the first installation block (22), first spring (20) have been cup jointed on screwed pipe (24), and the both ends of first spring (20) are connected with first installation piece (22) and second installation piece (27) respectively, the internal thread of screwed pipe (24) is connected with screw rod (16), and the one end of screw rod (16) extends to the outside of first pipe fitting (15), the other end of screw rod (16) runs through second installation piece (27) and extends to one side of second installation piece (27), the other end of screw rod (16) is equipped with bent plate (11), the internally mounted of bent plate (11) has metal block (13), set up second through-hole (43) of intercommunication between screw rod (16) and bent plate (11).
2. The branch connection structure of a municipal power cable according to claim 1, wherein a groove (14) corresponding to the second through hole (43) is formed in the upper surface of the metal block (13), a first concave member (12) is formed inside the groove (14), and the first concave member (12) is made of copper metal.
3. The branch connection mechanism for the municipal power cable according to claim 1, characterized in that the positioning mechanism comprises at least two long blocks (6) and two long blocks (7), the two long blocks (6) and the two long blocks (7) are symmetrically arranged on two symmetrical sides of the first casing (4) and the second casing (8), the first long block (6) and the second long block (7) are respectively arranged on the sides of the first casing (4) and the second casing (8), the first long block (6) and the second long block (7) correspond in position, the bottom surface of the first long block (6) is provided with a dovetail groove (2) corresponding to the second long block (7), and the dovetail block (1) is arranged inside the dovetail groove (2) in a matching manner.
4. The branch connection structure of a municipal power cable according to claim 1, wherein the bottom of the first arc-shaped member (18) is provided with a heat-insulating rubber pad (26).
5. The branch connection mechanism for the municipal power cable according to claim 1, wherein the fixing mechanism comprises a fixing block (30) and a fixing plate (28), the fixing block (30) and the fixing plate (28) are respectively mounted outside the first arc member (18) and the second arc member (19), one end of the fixing block (30) is movably mounted with a long strip plate (29), the upper surface of the fixing plate (28) is provided with a first through hole (17) corresponding to the position of the long strip plate (29), one end of the long strip plate (29) passes through the first through hole (17) and extends to the lower part of the fixing plate (28), the side of the long strip plate (29) is provided with a long strip hole (35), a second fixing rod (34) is arranged inside the long strip hole (35), and a second pipe fitting (37) is sleeved on the second fixing rod (34), so that the second pipe fitting (37) slides along the side of the second fixing rod (34), the second fixing rod (34) is sleeved with a third spring (33), two ends of the third spring (33) are respectively connected with the end part of the second pipe fitting (37) and the strip plate (29), the side surface of the second pipe fitting (37) is provided with two second concave parts (38), fixed shafts (39) are respectively arranged inside the two second concave parts (38), connecting rods (40) are respectively sleeved on the two fixed shafts (39), so that the connecting rods (40) rotate along the surface of the fixed shafts (39), one ends of the two connecting rods (40) respectively extend to the outer sides of the strip holes (35), one ends of the two connecting rods (40) are respectively provided with a first stop block (36), the upper surfaces of the two first stop blocks (36) are respectively contacted with the bottom of the fixing plate (28), the second pipe fitting (37) is connected with the connecting rods (40) through telescopic rods, the telescopic rods are sleeved with second springs (25), two ends of the second spring (25) are respectively connected with the second pipe fitting (37) and the connecting rod (40), and the minimum distance between the two first stop blocks (36) is smaller than the radial size of the first through hole (17).
6. The branch connection structure of a municipal power cable according to claim 5, wherein, the telescopic rod comprises a third pipe fitting (41), one end of the third pipe fitting (41) is arranged on the side surface of the second pipe fitting (37), the other end of the third pipe fitting (41) is inserted with a first mounting rod (42) so that the first mounting rod (42) slides along the inner wall of the third pipe fitting (41), one end of the first mounting rod (42) is connected with the connecting rod (40), at least two second stoppers (45) are symmetrically arranged in the opening at the other end of the third pipe fitting (41), one end, located inside the third pipe fitting (41), of the first mounting rod (42) is sleeved with a second baffle (44), the side face of the second baffle (44) is in contact with the side face of the second stop block (45), and the second spring (25) is sleeved on the third pipe fitting (41) and the first mounting rod (42).
7. The branch connection structure of a municipal power cable according to claim 1, wherein the movable mechanism comprises two first fixing rods (32), one ends of the two first fixing rods (32) are respectively mounted on the first arc member (18) and the second arc member (19), and the other ends of the two first fixing rods (32) are inclined and hinged by a pin (31).
8. The branch connection structure of a municipal power cable according to claim 1, wherein the first baffle (21) is provided in at least two and arranged symmetrically.
9. The branch connection for municipal power cables according to claim 1, wherein the curved plate (11) is made of polyethylene plastic.
10. The branch connection for municipal power cables according to claim 1, wherein the first housing (4) and the second housing (8) are made of polypropylene plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176153.6A CN109244684B (en) | 2018-10-10 | 2018-10-10 | Branch connection mechanism of municipal administration power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176153.6A CN109244684B (en) | 2018-10-10 | 2018-10-10 | Branch connection mechanism of municipal administration power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244684A CN109244684A (en) | 2019-01-18 |
| CN109244684B true CN109244684B (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811176153.6A Active CN109244684B (en) | 2018-10-10 | 2018-10-10 | Branch connection mechanism of municipal administration power cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112952734B (en) * | 2021-02-20 | 2022-06-21 | 沈阳国联电缆附件制造有限公司 | Connecting structure of cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008154351A (en) * | 2006-12-18 | 2008-07-03 | Tokyo Electric Power Co Inc:The | Branch line mounting device |
| US9587433B2 (en) * | 2014-03-25 | 2017-03-07 | Panduit Corp. | Cradle clamp bracket assembly |
| US10770832B2 (en) * | 2015-08-27 | 2020-09-08 | Phoenix Contact Gmbh & Co. Kg | Electric cable subassembly |
| CN206117037U (en) * | 2016-10-12 | 2017-04-19 | 王文双 | A crane span structure for cable branch installation |
| CN108011203B (en) * | 2017-11-01 | 2021-05-18 | 江西兰丰科技有限公司 | Connecting piece capable of opening and closing high-voltage line distributing circuit |
| CN207719427U (en) * | 2018-01-17 | 2018-08-10 | 青岛新祥电缆有限公司 | A kind of readily discernible cable |
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Effective date of registration: 20200617 Address after: No. 35, Weisan Road, high tech Zone, Chuzhou City, Anhui Province Applicant after: Anhui Dell Electric Group Co.,Ltd. Address before: 264006 No. 23 Changjiang Road, Yantai Development Zone, Shandong Province Applicant before: Yao Qiaoning |
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