CN111030014A - Tower power line unhooking device - Google Patents
Tower power line unhooking device Download PDFInfo
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- CN111030014A CN111030014A CN201911368293.8A CN201911368293A CN111030014A CN 111030014 A CN111030014 A CN 111030014A CN 201911368293 A CN201911368293 A CN 201911368293A CN 111030014 A CN111030014 A CN 111030014A
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- opening
- swinging rods
- unhooking
- supporting
- sliding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
Abstract
The application provides a shaft tower power line unhook device includes: a forward unhooking component and a transverse unhooking component; the forward unhooking assembly comprises a forward opening and closing door and a sliding shaft; the forward opening and closing door comprises two first swinging rods, a forward supporting rail and a first damping piece, wherein the two first swinging rods can swing outwards along the forward direction respectively, and the forward supporting rail is arranged between the two first swinging rods; two ends of the sliding shaft are respectively placed on the two consequent supporting rails of the consequent opening and closing door; the transverse unhooking component comprises a transverse opening and closing door; the transverse line direction opening and closing door comprises two second swinging rods, a second damping piece and a supporting sliding piece, the two second swinging rods can swing outwards along the transverse line direction, and the supporting sliding pair is arranged at the bottoms of the two second swinging rods. The tower is avoided being destroyed by this application, has solved how to alleviate the load of tower effectively before the tower reaches the extreme bearing capacity of horizontal line or following the line, protects the technical problem that the tower does not receive the destruction.
Description
Technical Field
The application relates to the technical field of tower power line overload protection, in particular to a tower power line unhooking device.
Background
The power transmission system is used as an important component of a national large-scale complex lifeline system, and whether safe operation can be carried out directly influences the national production construction and the basic life requirements of people. Due to the point divergence and the complex network relevance of the power grid system, the power grid accident has great influence and particularly serious consequences, such as: the American power failure accident occurred in 8/14/2003 frightens the world, and the 8.28 London power failure and the 9.1 Sydney and Malaysia power failure occur in the same year, which all have serious economic and social effects on the local society.
The large-area accidents of the power system are mostly caused by natural disasters, including strong wind, earthquake, ice disaster, flood and the like, wherein the most frequent and most harmful accidents are the damage of the power transmission lines under the strong wind and ice disaster. In the aspect of ice disasters: 2008 huge damage to five power-saving mesh belts in the south is caused by a huge freezing disaster occurring in the south, taking the power grid in the south of Hunan as an example, the influence of the ice disaster is caused, among 33 lines (including direct current) of 500kV lines of the power grid in the south of Hunan, 14 lines (2 of which are double-circuit lines on the same tower) are provided with 182 bases of inverted towers, among 246 lines of 220kV lines, 44 bases of inverted towers 633 are provided, 203 bases of deformation are provided, among 758 lines of 110kV lines, 121 bases of inverted towers 1427 are provided, 421 bases of deformation are provided, and the structures of hundreds of substations are damaged. In the aspect of wind disasters: landing on 18 th typhoon in kyushu area 24/9/1999 caused 15-base power towers of 4 transmission lines to collapse and 6 of 3 transmission lines to break. The maximum instantaneous wind speed of the typhoon measured by the kyushu electric company exceeds 70m/s, and the wind speed exceeding the design standard is the main cause of the collapse of the transmission tower. Several hurricanes landing in the united states in 2005 caused significant losses to the power systems in the landing areas. Wherein, hurricane katrina causes 290 ten thousand users to be out of power, and hurricane 'wilma' causes 600 ten thousand users to be out of power. In the domestic aspect: the tower damage in the southeast coastal region and the power grid loss caused by the 'yunna' typhoon in 2004, the 'wilmason' in 2014 and the 'rainbow' typhoon in 2015 are all very large.
In the natural disasters, ice columns can be condensed on the wires due to ice disasters, so that the whole weight of the wires is increased rapidly, the towers supporting the wires bear great forward loads, the wires can be pulled in the transverse direction of the wires due to wind disasters, the towers bear great transverse loads, and if the forward loads or the transverse loads exceed the limit bearing capacity of the towers, the towers are damaged or even pulled down, so that various major accidents are caused, how to effectively reduce the loads of the towers before the towers reach the limit bearing capacity of the transverse direction or the forward direction, and the tower protection is protected from being damaged, so that the technical problem which needs to be solved urgently by technical personnel in the field is achieved.
Disclosure of Invention
The utility model provides a shaft tower power line unhook device solves and how to alleviate the load of shaft tower effectively before the shaft tower reaches the extreme bearing capacity of horizontal line or following the line, protects the technical problem that the shaft tower does not receive the destruction.
In view of this, the present application provides a tower power line decoupling device, including: the lifting assembly, the forward unhooking assembly and the transverse unhooking assembly;
the forward unhooking component is hoisted on a tower through the hoisting component;
the forward unhooking assembly comprises a first rigid support, a forward opening and closing door and a sliding shaft;
the two consequent doors are opposite in door opening and closing, and are arranged on the first rigid support;
each in-line opening and closing door comprises two first swinging rods, in-line supporting rails and a first damping piece, the two first swinging rods are symmetrically arranged, the two first swinging rods can swing outwards along the in-line direction, the in-line supporting rails are arranged between the two first swinging rods along the in-line direction, and hooks are arranged at the bottoms of the first swinging rods and used for supporting the in-line supporting rails;
two ends of the sliding shaft are respectively placed on the forward supporting rails of the two forward opening and closing doors;
the transverse linear unhooking assembly comprises a second rigid support and a transverse linear opening and closing door, and the transverse linear opening and closing door is connected with the sliding shaft through the second rigid support;
the transverse opening and closing door comprises two second swinging rods, a second damping piece and a supporting sliding pair, the two second swinging rods are symmetrically arranged on the second rigid support and can swing outwards along the transverse direction, two ends of the second damping piece are fixedly connected with the two second swinging rods respectively, and the supporting sliding pair is horizontally arranged at the bottoms of the two second swinging rods;
and an electric wire is clamped between the two second swinging rods and is placed on the supporting sliding pair.
Furthermore, the device also comprises two anti-sideslip rigid connecting bodies;
the anti-sideslip rigid connecting bodies are fixedly connected with the first rigid support, and the two anti-sideslip rigid connecting bodies are respectively contacted with the outer sides of the two consequent-direction opening and closing doors;
and two end surfaces of the sliding shaft are smoothly connected with the anti-sideslip rigid connecting body and are used for preventing the sliding shaft from sliding along the axial direction.
Furthermore, the hoisting assembly comprises a cross arm and an annular hoop;
the annular hoop is fixedly connected with the cross arm through a locking bolt;
the bottom of the annular hoop is fixedly connected with the first rigid support.
Furthermore, a connecting hoop is fixedly arranged at the top of the second rigid support;
the connecting hoop is hung on the sliding shaft, and the second rigid support is connected with the sliding shaft through the connecting hoop.
Further, the inner surface of the second swing lever is coated with a high frictional resistance material.
Furthermore, two ends of the sliding shaft are provided with limiting idler wheels with the diameter larger than that of the sliding shaft, and the along-line supporting rails are provided with limiting guide rails;
the limiting idler wheel is clamped in the limiting guide rail.
Further, the first damping member and the second damping member are springs or electromagnetic rheostatic resistors.
Further, the swing fulcrum of the first swing lever is positioned at the top of the first swing lever;
and the swing fulcrums of the two first swing rods of each sequential opening and closing door are overlapped, and the sequential opening and closing door is in a triangle-like shape.
Further, the forward supporting rail is an arc rail.
Furthermore, the supporting sliding pair comprises a sliding block and a sliding rail which are arranged in a matched mode;
the sliding blocks and the sliding rails are respectively and fixedly arranged at the bottoms of the two second swinging rods.
Compared with the prior art, the embodiment of the application has the advantages that:
the application provides a shaft tower power line unhook device includes: the lifting assembly, the forward unhooking assembly and the transverse unhooking assembly; the forward unhooking component is hoisted on a tower through the hoisting component; the forward unhooking assembly comprises a first rigid support, a forward opening and closing door and a sliding shaft; the two consequent doors are opposite in door opening and closing, and are arranged on the first rigid support; each in-line opening and closing door comprises two first swinging rods, in-line supporting rails and a first damping piece, the two first swinging rods are symmetrically arranged, the two first swinging rods can swing outwards along the in-line direction, the in-line supporting rails are arranged between the two first swinging rods along the in-line direction, and hooks are arranged at the bottoms of the first swinging rods and used for supporting the in-line supporting rails; two ends of the sliding shaft are respectively placed on the forward supporting rails of the two forward opening and closing doors; the transverse linear unhooking assembly comprises a second rigid support and a transverse linear opening and closing door, and the transverse linear opening and closing door is connected with the sliding shaft through the second rigid support; the transverse line direction opening and closing door comprises two second swinging rods, a second damping piece and a supporting sliding pair, the two second swinging rods are symmetrically arranged on the rigid support and can swing outwards along the transverse line direction, two ends of the second damping piece are fixedly connected with the two second swinging rods respectively, and the supporting sliding pair is horizontally arranged at the bottoms of the two second swinging rods; and an electric wire is clamped between the two second swinging rods and is placed on the supporting sliding pair.
According to the tower power line unhooking device, the transverse wire direction unhooking component and the forward wire direction unhooking component are arranged and used for timely unloading the electric wire when the forward wire direction load or the transverse wire direction load of the tower exceeds the maximum bearing value, so that the load of the tower is reduced; the transverse wire direction unhooking assembly comprises a transverse wire direction opening and closing door, the transverse wire direction opening and closing door comprises two second swinging rods which are symmetrically arranged and can swing outwards along the transverse wire direction, the two second swinging rods are connected through a second damping piece in a tensioning mode, a supporting sliding pair is arranged at the bottom of each of the two second swinging rods, an electric wire is arranged between the two second swinging rods and placed above the supporting sliding pair, when the electric wire is pushed along a larger transverse wire direction, the electric wire can prop open one of the second swinging rods along the transverse wire direction force to enable the second swinging rod to swing and open along the transverse wire direction, so that the supporting sliding pair located at the bottom of the transverse wire direction is driven to move and open, the electric wire loses supporting force, and the electric wire is unhooked and dropped; the forward unhooking assembly comprises a forward opening and closing door, the forward opening and closing door comprises two first swinging rods which are symmetrically arranged and can swing along the forward direction, a forward supporting rail is arranged between the two first swinging rods, the first swinging rods are connected with the electric wire along the forward direction through a hook hanging column, a sliding shaft is placed on the first supporting rail and is connected with the electric wire through a transverse line direction unhooking assembly, when the electric wire is subjected to larger forward force, the electric wire can move along the forward direction, the transverse line direction unhooking assembly drives the sliding shaft to slide to one of the first swinging rods along the forward supporting rail, and the first swinging rods are jacked open to enable the first swinging rods to open along the forward direction, so that the hook is separated from the forward supporting rail, the forward supporting rail falls down together with the electric wire and the transverse line direction unhooking assembly, and the electric wire falls down; therefore, no matter the forward bearing capacity or the transverse bearing capacity of the electric wire exceeds the load limit of the tower, the timely unhooking of the electric wire can be realized through the tower electric power line unhooking device, the load of the tower is reduced, the damage to the tower is avoided, the technical problem that how to effectively reduce the load of the tower before the tower reaches the transverse or forward limit bearing capacity is solved, and the tower is protected from being damaged is solved.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a tower power line decoupling device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a forward opening and closing door according to an embodiment of the present disclosure;
fig. 3 is a schematic structural view of a limit rail and a sliding shaft according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a horizontal opening/closing door according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of an electromagnetic rheostat in an embodiment of the present application;
wherein the reference numerals are: the device comprises a hoisting component 101, a forward unhooking component 102, a transverse unhooking component 103, a cross arm 1, an electric wire 2, a locking bolt 3, an annular hoop 4, a first rigid support 5, an anti-sideslip rigid connector 6, a forward opening and closing door 7, a first damping piece 8, a forward supporting rail 9, a sliding shaft 10, a connecting hoop 11, a second rigid support 12, a transverse opening and closing door 13, a second damping piece 14, a supporting sliding pair 15, a limiting guide rail 16, a hook 17, a second swinging rod 18, a connecting rod 19, magnetorheological damping liquid 20, a piston 21, a partition plate flowing hole 22, a current input line 23 and a first swinging rod 24.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the line load of the electric tower, the load ratio of the electric wire is very high, and can reach more than 50% of the total load of the electric line, so how to effectively unload the ice load and the wind load of the electric wire under extreme conditions is very critical for protecting the tower.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a tower power line decoupling device according to an embodiment of the present disclosure; fig. 2 is a schematic structural diagram of a forward opening and closing door according to an embodiment of the present disclosure; fig. 3 is a schematic structural view of a limit rail and a sliding shaft according to an embodiment of the present disclosure; FIG. 4 is a schematic structural diagram of a horizontal opening/closing door according to an embodiment of the present disclosure; FIG. 5 is a schematic structural diagram of an electromagnetic rheostat in an embodiment of the present application;
the application provides a shaft tower power line unhook device includes: the device comprises a hoisting component 101, a forward unhooking component 102 and a transverse unhooking component 103;
the forward unhooking component 102 is hoisted on a tower through the hoisting component 101.
The forward unhooking assembly 102 comprises a first rigid bracket 5, a forward opening and closing door 7 and a sliding shaft 10;
two forward opening and closing doors 7 are arranged, and the two forward opening and closing doors 7 are opposite to the doorways and are arranged on the first rigid support 5;
each forward opening and closing door 7 comprises two first swinging rods 24, a forward supporting rail 9 and a first damping piece 8, the two first swinging rods 24 are symmetrically arranged, the two first swinging rods 24 can swing outwards along the forward direction, the forward supporting rail 9 is arranged between the two first swinging rods 24 along the forward direction, the bottom of each first swinging rod 24 is provided with a hook 17, and the hook 17 is used for supporting the forward supporting rail 9;
two ends of the sliding shaft 10 are respectively placed on the consequent supporting rails 9 of the two consequent opening and closing doors 7;
the transverse wire direction unhooking assembly 103 comprises a second rigid support 12 and a transverse wire direction opening and closing door 18, and the transverse wire direction opening and closing door 18 is connected with the sliding shaft through the second rigid support 12;
the transverse direction opening and closing door 18 comprises two second swinging rods 18, a second damping piece 14 and a supporting sliding pair 15, the two second swinging rods 18 are symmetrically arranged on the second rigid support 12, the two second swinging rods 18 can swing outwards along the transverse direction, two ends of the second damping piece 14 are fixedly connected with the two second swinging rods 18 respectively, and the supporting sliding pair 15 is horizontally arranged at the bottoms of the two second swinging rods 18;
the electric wire 2 is sandwiched between the two second swing levers 18, and the electric wire is placed on the support slide pair 15.
It should be noted that one end of the hoisting component 101 is arranged on the tower, and the other end is connected with the forward unhooking component 102;
the forward unhooking assembly 102 comprises a first rigid support 5, a forward opening and closing door 7 and a sliding shaft 10, wherein the first rigid support 5 is of a symmetrical structure, two symmetrical drooping ends are arranged at two end parts of the first rigid support 5, and the two forward opening and closing doors 7 are respectively arranged on the two drooping ends;
the two first swinging rods 24 can swing outwards along the forward direction respectively, so that the door 7 can be opened and closed along the forward direction, two ends of the first damping piece 8 are fixedly connected with the two first swinging rods 24 respectively, the first damping piece 8 has resistance for preventing the two first swinging rods 24 from opening outwards, the first damping piece 8 can adopt a spring or an electromagnetic current variable resistance device, when the thrust of the sliding shaft 10 exceeds the resistance of the first damping piece 8, the first swinging piece is pushed by the sliding shaft 10, the forward supporting rail 9 is used for supporting the sliding shaft 10, two ends of the forward supporting rail 9 are in contact with the two first swinging rods 24, and the hook 17 is used for supporting but not fixing the forward supporting rail 9
Two ends of a sliding shaft 10 are respectively placed on the forward supporting rails 9 of the two forward opening and closing doors 7, specifically, the sliding shaft is perpendicular to the supporting rails, is horizontally placed on the supporting rails, can slide or roll on the forward supporting rails, and is connected with a second rigid support 12 in the middle of the sliding shaft 10 and is connected with the electric wire 2 through the second rigid support 12 and the transverse opening and closing door 18;
the transverse wire direction opening and closing door 18 can swing outwards respectively along the transverse direction, so that opening and closing of the second transverse wire direction opening and closing door 18 are achieved, two ends of the second damping piece 14 are fixedly connected with the two second swinging rods 18 respectively, the second damping piece 14 has resistance force for preventing the two second swinging rods 18 from opening outwards, a spring or an electromagnetic current variable resistance device can be adopted for second damping, when the thrust force of the electric wire 2 exceeds the resistance force of the second damping piece 14, the second swinging piece is pushed by the electric wire 2, and the supporting sliding pair 15 is fixedly arranged at the bottom of the second swinging rods 18 and used for supporting the electric wire 2.
First damping member 8 and second damping member 14 in this application all can be the spring, when chooseing for use the spring as first damping member 8, do not consider the influence of the quality of first swinging arms 24, and the computational formula of spring rate coefficient k is:
k＝(FL-mgLsinα)/(2x1Δlcosα)；
wherein F is a target unhooking force; mg is the weight of the wire 2 along the support rail 9; l is the length of the first swing lever 24; x is the number of1The distance between the swing fulcrum of the first swing lever 24 and the spring connecting point is delta l, the spring elongation when the sliding shaft 10 can be separated from the forward supporting rail 9, and α is the included angle formed by the first swing lever 24 and the vertical direction when the sliding shaft 10 is separated from the forward supporting rail 9.
The first damping member 8 and the second damping member 14 in the present application may also be an electromagnetic rheostat including: the connecting rod 19, the magneto-rheological damping liquid 20, the piston 21, the partition plate flow hole 22 and the current input line 23 are arranged in sequence, as shown in figure 5, when the electric wire 2 moves in the forward direction, the connecting rod 19 at two ends of the electromagnetic rheostat is driven to generate relative displacement, the moving piston 21 is caused to extrude the magneto-rheological damping liquid 20, so that unbalanced force and unhooking pull force are generated at two sides, after the movement is stopped, the magneto-rheological damping liquid 20 flows back through the liquid partition plate flow hole 22 under the action of unbalanced force, the unbalanced force is reduced, the moving piston 21 and the liquid partition plate are reset, the consistency of the magneto-rheological damping liquid 20 can be adjusted in real time by controlling the current, and the resistance of the relative movement is changed. The calculation formula of the resistance stiffness C of the magnetorheological damping fluid 20 of the electromagnetic rheological resistor device is the same as the calculation formula of the spring stiffness coefficient k, and the description is omitted again.
According to the tower power line unhooking device, the transverse wire direction unhooking component 103 and the forward wire direction unhooking component 102 are arranged and used for timely unloading the electric wire 2 when the forward wire direction load or the transverse wire direction load of the tower exceeds the maximum bearing value, so that the load of the tower is reduced; the transverse unhooking assembly 103 comprises a transverse opening and closing door 18, the transverse opening and closing door 18 comprises two second swinging rods 18 which are symmetrically arranged and can swing outwards along the transverse direction, the two second swinging rods 18 are connected through a second damping piece 14 in a tensioning mode, a supporting sliding pair 15 is arranged at the bottom of each second swinging rod 18, the electric wire 2 is arranged between the two second swinging rods 18 and placed above the supporting sliding pair 15, when the electric wire 2 is pushed along the larger transverse direction, the electric wire 2 can prop open one of the second swinging rods 18 along the transverse direction, so that the second swinging rod 18 swings and opens along the transverse direction, the supporting sliding pair 15 positioned at the bottom of the transverse direction is driven to move and open, the electric wire 2 loses supporting force, and the electric wire 2 is unhooked and falls; the forward unhooking assembly 102 comprises a forward opening and closing door 7, the forward opening and closing door 7 comprises two first swinging rods 24 which are symmetrically arranged and can swing along the forward direction, a forward supporting rail 9 is arranged between the two first swinging rods 24, the first swinging rods 24 hang columns through hooks 17 to the supporting rail 9, a sliding shaft 10 is placed on the first supporting rail, the sliding shaft 10 is connected with the electric wire 2 through a transverse unhooking assembly 103, when the electric wire 2 is subjected to large forward force, the electric wire 2 can move along the forward direction, the sliding shaft 10 is driven by the transverse unhooking assembly 103 to slide to one of the first swinging rods 24 along the forward supporting rail 9, the first swinging rod 24 is pushed open to enable the first swinging rod 24 to expand along the forward direction, so that the hooks 17 are separated from the forward supporting rail 9, the forward supporting rail 9 falls down together with the electric wire 2 and the transverse unhooking assembly 103, the electric wire 2 is unhooked and dropped; therefore, no matter the forward bearing capacity or the transverse bearing capacity of the electric wire 2 exceeds the load limit of the tower, the timely unhooking of the electric wire 2 can be realized through the tower electric power line unhooking device, the load of the tower is reduced, the damage to the tower is avoided, the technical problem that how to effectively reduce the load of the tower before the tower reaches the limit bearing capacity of the transverse or forward direction is solved, and the tower is protected from being damaged is solved.
In addition, this application embodiment can realize the uninstallation of electric wire 2 under the ultimate load through the damping force of accurate actuarial spring or electromagnetic current rheostat, and the adjustment of damping force is clear simple, can regulate and control according to the concrete size of ultimate load in a flexible way to the atress simple structure of this application embodiment is direct, does not have too much complicated structure, therefore the stability of structure is more excellent.
As a further improvement, the pole tower power line unhooking device provided by the embodiment of the application further comprises two anti-sideslip rigid connecting bodies 6;
the shape of the anti-sideslip rigid connecting body 6 is approximately the same as that of the two consequent-direction opening and closing doors 7, the two anti-sideslip rigid connecting bodies 6 are fixedly connected with the first rigid support 5, and the two anti-sideslip rigid connecting bodies 6 are respectively contacted with the outer sides of the two consequent-direction opening and closing doors 7;
two end surfaces of the sliding shaft 10 are in smooth contact with the lateral sliding prevention rigid connecting body, specifically with the bottom of the lateral sliding prevention rigid connecting body 6, and are used for preventing the sliding shaft 10 from shifting in route when sliding on the forward supporting rail 9 and sliding along the axial direction, so that the sliding shaft 10 falls off.
As a further improvement, the hoisting assembly 101 of the tower power line unhooking device provided by the embodiment of the application comprises a cross arm 1 and an annular hoop 4;
the annular hoop 4 is fixedly connected with the cross arm 1 through a locking bolt 3;
the bottom of the annular hoop 4 is fixedly connected with the first rigid support 5.
Specifically, the cross arm 1 is made of insulating materials, the crosspiece is arranged on the tower, the size of the mounting opening of the annular hoop 4 can be adjusted to be matched with the diameter of the cross arm 1, the locking is carried out through the locking bolt 3, if the diameter of the cross arm 1 is still small, fillers such as rubber can be filled in to enable the annular hoop 4 to hold the cross arm 1 tightly, and if the inner diameter of the annular hoop 4 is small, the size of the mounting opening can be adjusted through adjusting the length of the locking bolt 3.
As a further improvement, a connecting hoop 11 is fixedly arranged at the top of the second rigid support 12 of the tower power line unhooking device provided by the embodiment of the application;
the connecting hoop 11 is hung on the sliding shaft 10, and the second rigid support 12 is connected with the sliding shaft 10 through the connecting hoop 11.
Particularly, the installing port of connecting staple bolt 11 is greater than the diameter of sliding shaft 10, connects staple bolt 11 to hang on sliding shaft 10 rather than hugging closely to make sliding shaft 10 can keep rolling, connect staple bolt 11 can be one or more, this application adopts two to connect staple bolt 11, and the symmetry sets up in the top of second rigid support 12, thereby makes the hoist and mount to horizontal unhook subassembly 103 and electric wire 2 more firm.
As a further improvement, the inner surface of the second swing rod 18 of the tower power line unhooking device provided in the embodiment of the present application is coated with a high friction material, so that the electric wire 2 does not slide relative to the second swing rod 18 when being subjected to a forward pulling force, and the second swing rod 18 is driven by friction force, so that the entire transverse unhooking assembly 103 slides along the forward direction, and the sliding shaft 10 is driven to slide along the forward direction.
As a further improvement, the two ends of the sliding shaft 10 of the pole tower power line unhooking device provided by the embodiment of the application are provided with limiting idler wheels with diameters larger than that of the sliding shaft 10, the forward supporting rail 9 is provided with a limiting guide rail 16, and the limiting idler wheels are clamped in the limiting guide rail 16, so that the sliding shaft 10 is further prevented from sliding along the axial direction, and the sliding shaft 10 is prevented from falling.
As a further modification, the swing fulcrum of the first swing lever 24 provided in the embodiment of the present application is located at the top of the first swing lever 24; every is coincided to the swing fulcrum of two first swinging arms 24 of shutter 7 in the same direction as a line, and the door 7 in the same direction as a line is a class triangle-shaped form, and the door 7 in the same direction as a line of class triangle-shaped form more is favorable to couple 17 to stabilize and has supported in the same direction as a line and support rail 9, guarantees that because the same direction as a line that electric wire 2 received does not reach the maximum unhooking power to stabilize inadequately and appear dropping when supporting rail 9, the condition of mistake unhooking is avoided appearing.
As a further improvement, the support rail 9 in the same direction as the line of the tower power line unhooking device provided by the embodiment of the present application is an arc rail, so that the electric wire 2 can be stably placed in the middle of the support rail 9 in the same direction as the line when not receiving the pulling force in the same direction as the line, so that the pulling force received by the two first swing rods 24 is more uniform, and the sliding shaft 10 cannot move to the first swing rod 24 at once when the electric wire 2 has accidental extremely short instantaneous overload force in the structure of the arc rail, so that the hook 17 cannot be separated from the support rail 9 in the same direction as the line to cause unhooking of the electric wire 2, thereby avoiding accidental overload to cause unhooking and bringing unnecessary troubles.
As a further improvement, the supporting sliding pair 15 provided in the embodiment of the present application includes a sliding block and a sliding rail which are cooperatively arranged;
the sliding block and the sliding rail are respectively and fixedly arranged at the bottom of the two second swinging rods 18.
Specifically, when the sliding block and the sliding rail are arranged together in a matching manner, the supporting sliding pair 15 has a vertical supporting force for supporting the electric wire 2, when the second swinging rod 18 is pushed by a transverse force of the electric wire 2, so that the distance between the two second swinging rods 18 is increased, the sliding rail and the sliding block respectively located in the two second swinging cylinders move relatively and separate, at this time, the electric wire 2 loses the supporting force in the vertical direction, and the electric wire 2 is unhooked and dropped.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A tower power line decoupling device, comprising: the lifting assembly, the forward unhooking assembly and the transverse unhooking assembly;
the forward unhooking component is hoisted on a tower through the hoisting component;
the forward unhooking assembly comprises a first rigid support, a forward opening and closing door and a sliding shaft;
the two consequent doors are opposite in door opening and closing, and are arranged on the first rigid support;
each forward opening and closing door comprises two first swinging rods, a forward supporting rail and a first damping piece, the two first swinging rods are symmetrically arranged, the two first swinging rods can swing outwards along the forward direction, the forward supporting rail is arranged between the two first swinging rods along the forward direction, and the bottom of each first swinging rod is provided with a hook which is used for supporting the forward supporting rail;
two ends of the sliding shaft are respectively placed on the forward supporting rails of the two forward opening and closing doors;
the transverse linear unhooking assembly comprises a second rigid support and a transverse linear opening and closing door, and the transverse linear opening and closing door is connected with the sliding shaft through the second rigid support;
the transverse opening and closing door comprises two second swinging rods, a second damping piece and a supporting sliding pair, the two second swinging rods are symmetrically arranged on the second rigid support, the two second swinging rods can swing outwards along the transverse direction, two ends of the second damping piece are fixedly connected with the two second swinging rods respectively, and the supporting sliding pair is horizontally arranged at the bottoms of the two second swinging rods;
and an electric wire is clamped between the two second swinging rods and is placed on the supporting sliding pair.
2. The pole tower power line decoupling device of claim 1, further comprising two anti-sideslip rigid connectors;
the anti-sideslip rigid connecting bodies are fixedly connected with the first rigid support, and the two anti-sideslip rigid connecting bodies are respectively contacted with the outer sides of the two consequent-direction opening and closing doors;
and the two end surfaces of the sliding shaft are smoothly connected with the anti-sideslip rigid connecting body and are used for preventing the sliding shaft from sliding along the axial direction.
3. The pole tower power line unhooking device of claim 1, wherein the hoisting assembly comprises a cross arm and an annular hoop;
the annular hoop is fixedly connected with the cross arm through a locking bolt;
the bottom of the annular hoop is fixedly connected with the first rigid support.
4. The pole tower power line unhooking device of claim 1, wherein a connecting hoop is fixedly arranged at the top of the second rigid support;
the connecting hoop is hung on the sliding shaft, and the second rigid support is connected with the sliding shaft through the connecting hoop.
5. The tower power line decoupling device of claim 1, wherein an inner surface of said second oscillating rod is coated with a high friction drag material.
6. The pole tower power line unhooking device as claimed in claim 1, wherein limiting rollers with a diameter larger than that of the sliding shaft are arranged at two ends of the sliding shaft, and limiting guide rails are arranged on the forward supporting rails;
the limiting idler wheel is clamped in the limiting guide rail.
7. The pole tower power line decoupling device of claim 1, wherein the first damping member and the second damping member are springs or electromagnetic rheostatic resistors.
8. The tower power line unhooking device of claim 1, wherein the swing fulcrum of the first swing lever is located at the top of the first swing lever;
and the swing fulcrums of the two first swing rods of each sequential opening and closing door are overlapped, and the sequential opening and closing door is in a triangle-like shape.
9. The pole tower power line decoupling device of claim 1, wherein the forward support rail is an arcuate rail.
10. The pole tower power line unhooking device of claim 1, wherein the supporting sliding pair comprises a sliding block and a sliding rail which are arranged in a matched manner;
the sliding blocks and the sliding rails are respectively and fixedly arranged at the bottoms of the two second swinging rods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911368293.8A CN111030014B (en) | 2019-12-26 | 2019-12-26 | Tower power line unhooking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911368293.8A CN111030014B (en) | 2019-12-26 | 2019-12-26 | Tower power line unhooking device |
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| CN111030014A true CN111030014A (en) | 2020-04-17 |
| CN111030014B CN111030014B (en) | 2020-11-17 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882851A (en) * | 2012-12-21 | 2014-06-25 | 郑州宇通重工有限公司 | Automatic unhooking and hooking device |
| CN108471098A (en) * | 2018-04-08 | 2018-08-31 | 广西大学 | A kind of off-line guarantor's lever apparatus of transmission line tower structure |
| CN108471097A (en) * | 2018-04-08 | 2018-08-31 | 广西大学 | A kind of adjustable distribution line abandons line and protects lever apparatus |
| CN108512171A (en) * | 2018-04-08 | 2018-09-07 | 广西大学 | A kind of line of abandoning of distribution line protects lever apparatus |
| CN208127827U (en) * | 2017-11-16 | 2018-11-20 | 厦门理工学院 | A kind of anti-down tower suspension clamp |
| CN108847644A (en) * | 2018-07-03 | 2018-11-20 | 广西电网有限责任公司电力科学研究院 | Lever apparatus is protected in a kind of off-line that takes precautions against calamities of power Transmission |
| CN109524936A (en) * | 2019-01-02 | 2019-03-26 | 广东南方电信规划咨询设计院有限公司 | It is a kind of for communicating the cable self-detaching device in overhead transmission line |
| CN209692245U (en) * | 2019-05-28 | 2019-11-26 | 北京盈拓润达电气科技有限公司 | A kind of aerial conductor fault indicator dismantling device |
| JP2019208299A (en) * | 2018-05-28 | 2019-12-05 | 株式会社フジクラハイオプト | Cable insertion tool and cable insertion method |
-
2019
- 2019-12-26 CN CN201911368293.8A patent/CN111030014B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882851A (en) * | 2012-12-21 | 2014-06-25 | 郑州宇通重工有限公司 | Automatic unhooking and hooking device |
| CN208127827U (en) * | 2017-11-16 | 2018-11-20 | 厦门理工学院 | A kind of anti-down tower suspension clamp |
| CN108471098A (en) * | 2018-04-08 | 2018-08-31 | 广西大学 | A kind of off-line guarantor's lever apparatus of transmission line tower structure |
| CN108471097A (en) * | 2018-04-08 | 2018-08-31 | 广西大学 | A kind of adjustable distribution line abandons line and protects lever apparatus |
| CN108512171A (en) * | 2018-04-08 | 2018-09-07 | 广西大学 | A kind of line of abandoning of distribution line protects lever apparatus |
| JP2019208299A (en) * | 2018-05-28 | 2019-12-05 | 株式会社フジクラハイオプト | Cable insertion tool and cable insertion method |
| CN108847644A (en) * | 2018-07-03 | 2018-11-20 | 广西电网有限责任公司电力科学研究院 | Lever apparatus is protected in a kind of off-line that takes precautions against calamities of power Transmission |
| CN109524936A (en) * | 2019-01-02 | 2019-03-26 | 广东南方电信规划咨询设计院有限公司 | It is a kind of for communicating the cable self-detaching device in overhead transmission line |
| CN209692245U (en) * | 2019-05-28 | 2019-11-26 | 北京盈拓润达电气科技有限公司 | A kind of aerial conductor fault indicator dismantling device |
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| Publication number | Publication date |
|---|---|
| CN111030014B (en) | 2020-11-17 |
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