CN115764748B - Cable bridge with high compressive and bending strength - Google Patents

Abstract

The invention discloses a cable bridge with high compressive bending strength, which belongs to the field of cable bridges, wherein the cable bridge with high compressive bending strength can swing left and right through the top end of a snow shaking component under the influence of wind power, so as to carry out reciprocating knocking on the cable bridge, avoid accumulating snow on the cable bridge, and simultaneously stir a drain hole under the reciprocating swinging of the bottom end of the snow shaking component, avoid the accumulated snow water from freezing at low temperature to block the drain hole.

Description

Cable bridge with high compressive and bending strength

Technical Field

The invention relates to the field of cable bridges, in particular to a cable bridge with high compressive and bending strength.

Background

In cold regions in China, because of frequent wind, snow and weather, big snow is easier to freeze at low temperature, when a cable bridge is paved, construction is difficult, regular maintenance after the cable bridge is finished is inconvenient, if snow covered on the cable bridge cannot be timely treated, the bearing pressure of the cable bridge is greatly increased, the cable bridge is easy to bend and break, meanwhile, drain holes of the cable bridge are blocked due to low-temperature freezing of snow water, cables are soaked in accumulated snow water, and potential safety hazards of lines are increased, so that the cable bridge with high compressive and bending strength, which can improve the safety of cables and the stability of the cables under frequent wind, snow and weather, needs to be designed.

The traditional cable bridge frame generally enhances the high compression resistance and bending resistance of the cable bridge frame under the condition of changing the strength of materials or increasing the bearing structure, but the operation is high in manufacturing cost and difficult to solve the gravity problem and the icing blockage problem caused by long-time backlog of wind and snow in the frequent storm weather.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide the cable bridge with high compression-resistant bending strength, which can swing left and right under the influence of wind force through the top end of the snow shaking component, so as to carry out reciprocating knocking on the cable bridge, avoid accumulating snow on the cable bridge in a large amount, simultaneously stir the drain hole under the reciprocating swinging of the bottom end of the snow shaking component, avoid blocking the drain hole by low-temperature ice of accumulated snow water, and in the process, the snow shaking component is driven by natural wind entering into a cable tray to automatically rotate, and can sweep snow around the snow shaking component, so that the swing of the snow shaking component and the normal flow guiding of the snow water are avoided, and in the swing of the snow shaking component, the snow thawing component is continuously triggered, so that the snow thawing component rubs and generates heat, the snow at the drain hole is accelerated, the risk of snow freezing and blocking the drain hole is further reduced, the accumulated snow on the cable bridge is prevented from being frozen by natural wind in the wind and snow in the snow shaking day, the accumulated water is prevented from blocking the drain hole, and the high compression-resistant effect of the snow shaking bridge is improved.

2. Technical proposal

In order to solve the problems, the invention adopts the following technical scheme.

The utility model provides a cable bridge of high compressive bending strength, includes the cable drum, the drainage hole that a plurality of arrays distributed has been seted up to the bottom of cable drum inner wall, and a plurality of drainage holes all are located the center pin of cable drum bottom, a plurality of the top of drainage hole all is provided with shake snow subassembly, shake snow subassembly's both sides and cable drum inner wall both sides between all be provided with the year drum that is used for accepting the cable, shake snow subassembly and include two symmetrically distributed's supporting shoe, two round pin hub connection has the lantern ring between the supporting shoe, the lantern ring is fixed with the oscillating axle in the interpolation of lantern ring, the bottom of oscillating axle is located the drainage hole, a plurality of the common fixedly connected with swinging strip in top of oscillating axle, the both sides that the swinging strip is close to the oscillating axle top are all fixedly connected with magnetic axis, the electromagnetism piece that corresponds each other with the magnetic axis is all installed to the both sides of cable drum inner wall, the snow sweeping component for sweeping snow accumulated around the snow shaking component is arranged between the swinging rod and the swinging shaft on the swinging shaft, the snow melting component for accelerating snow melting is arranged at the shaft body of the swinging shaft close to the bottom end, the effect of quickly discharging snow in the cable wire coil after the snow is melted can be achieved through the arrangement of the drain hole, when natural wind passes through the cable wire coil in windy and snowy days, the collar is connected between the two supporting blocks through the pin shaft, so that wind force can blow the swinging rod to swing, the two magnetic shafts can impact the two side walls of the cable wire coil, snow accumulated on the cable wire coil can be further vibrated, the bearing pressure of the cable wire coil is reduced, the compression resistance and the bending strength of the cable wire coil are improved, when the natural wind is weak or the swinging rod can not swing in a reciprocating manner, the magnetic force of the electromagnetic iron blocks positioned at two sides of the swinging rod can be intermittently controlled, make two magnetic axes by intermittent type attraction, and then reach reciprocating wobbling effect, improve shake snow subassembly and shake the effect that falls of snow on the cable drum, when the oscillating axle swings, because the bottom of oscillating axle is located the wash port, thereby reach and stir the wash port snow and then accelerate the melting discharge of snow, avoid the problem that the wash port blockked up.

Further, the rubber sleeve for protecting the magnetic shaft is sleeved on the outer wall of the magnetic shaft, the through hole is formed in one end, close to the side wall of the cable wire coil, of the rubber sleeve, and through the arrangement of the rubber sleeve, the effect that when the swing strip drives the magnetic shaft to strike the side wall of the cable wire coil, the impact force is reduced to damage the magnetic shaft, the service life of the magnetic shaft is prolonged, and meanwhile, the attraction of the electromagnetic iron block to the magnetic shaft can be enhanced through the arrangement of the through hole.

Further, the snow sweeping component comprises a sleeve, the sleeve cup joints on the oscillating shaft, and rotates with the oscillating shaft to be connected, fixedly connected with a plurality of rotating blocks on the outer wall of the oscillating shaft, and a plurality of rotating blocks use the sleeve to be central annular array distribution, a plurality of the equal fixedly connected with of lower surface of rotating block sweeps away snow rope, and the equal fixedly connected with gravity ball in bottom of a plurality of snow ropes, through the setting of sleeve and rotating block, can reach and drive sleeve fast rotation under the blowing of wind-force rotating block, and the fast rotation of rotating block can be thrown up a plurality of bottom mounting with the snow rope that sweeps away of gravity ball through centrifugal force, increase the snow scope of sweeping of snow component, improved the snow effect of sweeping snow component.

Further, the snow sweeping component further comprises a sliding block, a cavity is formed in the rotating block, a snow sweeping rope is connected in the cavity in a sliding mode, a plurality of spring wires are fixedly connected between one side of the snow sweeping rope and the inner wall of the cavity, the sleeve is driven to rotate by the rotating block to be driven by wind power through the arrangement of the snow sweeping rope and the spring wires, the sliding block is driven to slide out of the cavity by centrifugal force, the snow sweeping range of the rotating block is enlarged, and the snow sweeping effect of the snow sweeping component is improved.

Further, snow melting subassembly includes two friction blocks, two the bottom of friction block and the bottom both sides round pin hub connection of oscillating axle, two common fixedly connected with spring between the bottom outer wall of top and the oscillating axle of friction block, two the equal fixedly connected with spacing ring in one side that the carrying coil is close to the spring, the retaining bag is installed to spacing ring inner wall, and the retaining bag intussuseption is filled with aqueous solution, the outer wall cover of spacing ring is equipped with the friction sleeve, and the inner wall of friction sleeve is connected with one side surface laminating of retaining bag, two the friction surface that friction block and two friction sleeves are close to each other all is provided with the friction surface that coefficient is high, through the setting of retaining bag, can reach under the low temperature condition, the aqueous solution in the retaining bag freezes, and the aqueous solution that freezes can drive the retaining bag inflation to promote the friction sleeve to enter into the oscillating range of friction block, and then reaches when the oscillating axle drives the friction block and swing, the friction block can last to rub with the friction sleeve, thereby produces heat, and the retaining bag is under high temperature weather, and the cable that the friction sleeve is not break away from after the high temperature expansion range, and the weather problem that the cable that can be broken down is avoided under high temperature.

Further, two the one side interval that the friction disc is close to each other with two friction sleeves is greater than the swing distance of oscillating axle, through above setting, can reach the oscillating axle under high temperature weather, when the oscillating axle is receiving wind-force influence and carrying out reciprocal swing, the friction disc can not contact with the friction sleeve, and then reach and avoid under high temperature weather, increase the problem of cable drum internal temperature, and under the low temperature weather of snow and wind, the inflation of aqueous solution in the retaining bag drives the friction sleeve and moves to friction disc department, the swing of friction disc just can be reciprocal to extrude the friction sleeve surface this moment, the friction effect that the extrusion drove is stable, and then the snow melt effect of snow melt subassembly has been improved.

Further, the positions of the magnetic shafts and the swinging strips are higher than the upper surface of the cable drum, through the arrangement, the swinging strips can be better pushed by wind force in windy and snowy weather, and the two swinging magnetic shafts can continuously strike the two side walls of the cable drum, so that snow accumulated on the cable drum can be shaken off, and the snow shaking effect of the snow shaking component is improved.

Further, the bottom fixedly connected with stirring piece of oscillating axle, the shape of stirring piece is hemispherical, sets up through hemispherical stirring piece, can reach better and stir the snow in the wash port to the effect of melting the exhaust is melted to the snow with higher speed.

Further, the swinging shaft and the stirring block are made of metal materials with high heat conductivity coefficients, and the surfaces of the swinging shaft and the stirring block are coated with antirust paint, and the swinging shaft and the stirring block are made of metal materials with high heat conductivity coefficients, so that better heat generated by friction is conducted into the drain hole, snow melting is accelerated, and the waterproof paint is arranged, so that the antirust capability of the swinging shaft and the stirring block is improved, and the service life is prolonged.

Further, the material of carrying the drum is the higher hard material of coefficient of heat conductivity, the surface of carrying the drum is provided with a plurality of groups of water conservancy diversion holes that are used for leading away snow water between the cable, and the material of carrying the drum is the higher hard material of coefficient of heat conductivity, can be with in the unnecessary heat conduction entering carrying the drum that friction produced to the melting of snow between the cable is accelerated, and the setting of water conservancy diversion hole can accelerate the flow away of snow water.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

through shaking the top of snow subassembly and under the influence of wind-force, carry out the horizontal hunting, carry out reciprocating beating to the cable bridge, avoid snow to pile up on the cable bridge in a large number, the bottom of shake the snow subassembly is under reciprocating hunting simultaneously, can also stir the wash port, avoid the snow water low temperature that accumulates to freeze and block up the wash port, in this process, the snow subassembly of sweeping drives through the natural wind in entering the cable tray, carry out the rotation, and will shake snow around the snow subassembly and sweep, avoid snow to influence the normal water conservancy diversion of shake the swing of snow subassembly and snow water, in shake the swing of snow subassembly, still can sustainably trigger snow subassembly, make snow subassembly friction heat, the melting of wash port department snow further reduces snow ice and blocks up the wash port risk, realize shaking the snow ice with the help of the natural wind in the snow day to the snow of backlog on the cable bridge, avoid snow water to block up the wash port, reduce the gravity that the snow brought simultaneously, improve the high bending resistance effect of cable bridge.

Drawings

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

FIG. 2 is a schematic view of the structure of the snow-sweeping and snow-vibrating components of the present invention;

FIG. 3 is a schematic view of the structure of the drain hole and the snow melting assembly of the present invention;

FIG. 4 is a schematic cross-sectional view of a portion of the construction of the snow melting assembly of the present invention;

FIG. 5 is a schematic view of the structure of the support block according to the present invention;

fig. 6 is a schematic cross-sectional view of the structure of the present invention at the turning block and the slider.

The reference numerals in the figures illustrate:

1. a cable drum; 2. a wire carrying disc; 3. a snow shaking component; 4. a support block; 5. a collar; 6. a swing shaft; 7. stirring blocks; 8. a swinging bar; 9. a magnetic axis; 10. a rubber sleeve; 11. a sleeve; 12. a rotating block; 13. a slide block; 14. a snow sweeping rope; 15. a gravity ball; 16. a friction block; 17. a spring; 18. a drain hole; 19. a spring wire; 20. a limiting ring; 21. a water storage bag; 22. a friction sleeve; 23. an electromagnet block; 24. a snow sweeping assembly; 25. and a snow melting assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-6, a cable bridge with high compressive and bending strength comprises a cable drum 1, a plurality of drainage holes 18 distributed in array are arranged at the bottom of the inner wall of the cable drum 1, the plurality of drainage holes 18 are all positioned on the central shaft of the bottom of the cable drum 1, a snow vibration component 3 is arranged above the plurality of drainage holes 18, a cable carrying drum 2 for carrying cables is arranged between two sides of the snow vibration component 3 and two sides of the inner wall of the cable drum 1, the snow vibration component 3 comprises two symmetrically distributed supporting blocks 4, a lantern ring 5 is connected between the two supporting blocks 4 through a pin shaft, a swinging shaft 6 is fixedly inserted in the lantern ring 5, the bottom end of the swinging shaft 6 is positioned in the drainage holes 18, the top ends of the plurality of swinging shafts 6 are fixedly connected with swinging bars 8, two sides of the swinging bars 8 close to the top ends of the swinging shaft 6 are fixedly connected with magnetic shafts 9, two sides of the inner wall of the cable drum 1 are respectively provided with electromagnetic iron blocks 23 corresponding to the magnetic shafts 9, the swinging shaft 6 is provided with a snow sweeping component 24 used for sweeping snow around the snow vibrating component 3 between the swinging strips 8 and the swinging shaft 6, the shaft body of the swinging shaft 6 close to the bottom end is provided with a snow melting component 25 used for accelerating snow melting, the effect of quickly discharging snow accumulated in the cable drum 1 after the snow melting can be achieved through the arrangement of the drain hole 18, when the cable drum 1 passes through natural wind in the windy days, the collar 5 is connected between the two supporting blocks 4 through a pin shaft, so that wind force can blow the swinging strips 8 to swing, the two magnetic shafts 9 are enabled to collide with the two side walls of the cable drum 1, the snow accumulated on the cable drum 1 is further vibrated, the bearing pressure of the cable drum 1 is reduced, the compression strength of the cable drum 1 is improved, when the natural wind is weak or can not enable the swinging strips 8 to swing in a reciprocating manner, the magnetic force of the electromagnetic iron blocks 23 on two sides of the swinging strip 8 can be intermittently controlled, so that the two magnetic shafts 9 are intermittently attracted, the reciprocating swinging effect is achieved, the snow-shaking effect of the snow-shaking component 3 on the cable drum 1 is improved, when the swinging shaft 6 swings, the bottom end of the swinging shaft 6 is positioned in the drain hole 18, and therefore the problem that the drain hole 18 is blocked is solved by stirring the snow in the drain hole 18 and then accelerating the melting and discharging of the snow is achieved.

The rubber sleeve 10 for protecting the magnetic shaft 9 is sleeved on the outer wall of the magnetic shaft 9, a through hole is formed in one end, close to the side wall of the cable wire coil 1, of the rubber sleeve 10, through the arrangement of the rubber sleeve 10, the effect that when the swinging strip 8 drives the magnetic shaft 9 to strike the side wall of the cable wire coil 1, the impact force is reduced to damage the magnetic shaft 9, the service life of the magnetic shaft 9 is prolonged, and meanwhile, the attraction of the electromagnet block 23 to the magnetic shaft 9 can be enhanced through the arrangement of the through hole.

The snow sweeping assembly 24 comprises a sleeve 11, the sleeve 11 is sleeved on the swinging shaft 6 and is rotationally connected with the swinging shaft 6, a plurality of rotating blocks 12 are fixedly connected to the outer wall of the swinging shaft 6, the rotating blocks 12 are distributed in an annular array with the sleeve 11 as a center, the lower surfaces of the rotating blocks 12 are fixedly connected with a plurality of snow sweeping ropes 14, the bottom ends of the snow sweeping ropes 14 are fixedly connected with gravity balls 15, through the arrangement of the sleeve 11 and the rotating blocks 12, the rotating blocks 12 can drive the sleeve 11 to rotate rapidly under the blowing of wind force, the rotating blocks 12 rotate rapidly to throw the snow sweeping ropes 14 with the gravity balls 15 fixed at the bottom ends through centrifugal force, the snow sweeping range of the snow sweeping assembly 24 is enlarged, and the snow sweeping effect of the snow sweeping assembly 24 is improved.

The snow sweeping assembly 24 further comprises a sliding block 13, a cavity is formed in the rotating block 12, the snow sweeping rope 14 is connected in the cavity in a sliding mode, a plurality of spring wires 19 are fixedly connected between one side of the snow sweeping rope 14 and the inner wall of the cavity, the sleeve 11 is driven to rotate by the rotating block 12 under the blowing of wind force through the arrangement of the snow sweeping rope 14 and the spring wires 19, the sliding block 13 is driven to partially slide out of the cavity by centrifugal force, the snow sweeping range of the rotating block 12 is enlarged, and the snow sweeping effect of the snow sweeping assembly 24 is improved.

The snow melting assembly 25 comprises two friction blocks 16, the bottom ends of the two friction blocks 16 are connected with two side pin shafts on the bottom end of the swinging shaft 6, springs 17 are fixedly connected between the top ends of the two friction blocks 16 and the outer wall of the bottom end of the swinging shaft 6, a limiting ring 20 is fixedly connected to one side, close to the springs 17, of each of the two wire carrying discs 2, a water storage bag 21 is mounted on the inner wall of the limiting ring 20, aqueous solution is filled in the water storage bag 21, a friction sleeve 22 is sleeved on the outer wall of the limiting ring 20, the inner wall of the friction sleeve 22 is connected with one side surface of the water storage bag 21 in a fit mode, friction surfaces with high friction coefficients are arranged on one side surfaces, close to each other, of the two friction blocks 16 and the two friction sleeves 22, of the two friction sleeves 21 can achieve the purpose that the aqueous solution in the water storage bag 21 freezes at a low temperature under the condition, the frozen aqueous solution can drive the water storage bag 21 to expand, so that the friction sleeve 22 is pushed into the swinging range of the friction blocks 16, when the swinging shaft 6 drives the friction blocks 16 to swing, the friction blocks 16 can continuously rub the friction sleeves 22, heat the friction sleeves 22, the friction sleeves 22 are prevented from being separated from the high temperature cable expansion cable 1 under the high temperature condition, and the high temperature cable expansion weather problem is avoided.

The distance between one sides of the two friction blocks 16, which are close to each other, and the two friction sleeves 22 is larger than the swinging distance of the swinging shaft 6, through the arrangement, the effect that the swinging shaft 6 can do reciprocating swinging under the influence of wind power can be achieved, when the swinging shaft 6 is affected by the wind power, the friction blocks 16 cannot contact with the friction sleeves 22, the problem that the temperature in the cable drum 1 is increased in high-temperature weather is avoided, and under the low-temperature weather of wind and snow, the expansion of the water solution in the water storage bag 21 drives the friction sleeves 22 to move towards the friction blocks 16, at the moment, the swinging of the friction blocks 16 can do reciprocating surface extrusion to the friction sleeves 22, the friction effect driven by extrusion is stable, and the snow melting effect of the snow melting assembly 25 is improved.

The positions of the magnetic shafts 9 and the swinging strips 8 are higher than the upper surface of the cable drum 1, through the arrangement, the swinging strips 8 can be better pushed by wind force in windy and snowy weather, and the two swinging magnetic shafts 9 can continuously strike the two side walls of the cable drum 1, so that snow accumulated on the cable drum 1 can be shaken off, and the snow shaking effect of the snow shaking component 3 is improved.

The bottom fixedly connected with stirring piece 7 of oscillating axle 6, stirring piece 7's shape is the hemisphere, through hemispherical stirring piece 7 setting, can reach better snow to in the wash port 18 stirs to the effect of the discharge is melted to the snow with higher speed.

The swinging shaft 6 and the stirring block 7 are made of metal materials with high heat conductivity coefficients, and the surfaces of the swinging shaft 6 and the stirring block 7 are coated with antirust paint, and the swinging shaft 6 and the stirring block 7 are made of metal materials with high heat conductivity coefficients, so that better heat generated by friction is conducted into the drain hole 18, snow melting is accelerated, and the antirust capability of the swinging shaft 6 and the stirring block 7 can be improved, and the service life is prolonged.

The material of carrying coil 2 is higher hard material of coefficient of heat conductivity, and the surface of carrying coil 2 is provided with a plurality of groups of water conservancy diversion holes that are used for leading away snow water between the cable, and the material through carrying coil 2 is higher hard material of coefficient of heat conductivity, can be with the unnecessary heat conduction that friction produced get into carrying coil 2 in to the melting of snow between the acceleration cable, and the setting of water conservancy diversion hole can accelerate the flow away of snow water.

Through shake the top of snow subassembly 3 and carry out the horizontal hunting under the influence of wind-force, carry out reciprocating strike to the cable bridge, avoid snow to pile up on the cable bridge in a large number, shake the bottom of snow subassembly 3 simultaneously under reciprocating swing, still can stir wash the wash port 18, avoid the snow water low temperature that accumulates to freeze and block up the wash port 18, in this process, the snow subassembly 24 is driven through the natural wind in entering the cable tray, the rotation is carried out, and will shake snow on the snow subassembly 3 the snow and sweep, avoid snow to influence the normal water conservancy diversion of shake the swing of snow subassembly 3 and snow water, in shake the swing of snow subassembly 3, still can continuously trigger snow subassembly 25, make snow subassembly 25 friction heat, the melting of snow of acceleration wash port 18 department further reduces freezing and blocks up the wash port 18 risk, realize shaking the snow of snow pressure on the cable bridge with the help of the natural wind in the snow day and fall, avoid the snow water that accumulates to block up the wash port 18, reduce the gravity that the snow brought simultaneously, improve the effect of cable bridge that high resistance to compression resistance is curved.

The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims (7)

1. The utility model provides a cable testing bridge of high compressive bending strength, includes cable drum (1), its characterized in that: the bottom of the inner wall of the cable coil (1) is provided with a plurality of array distributed drain holes (18), the plurality of drain holes (18) are all positioned on a central shaft at the bottom of the cable coil (1), a plurality of swing shafts (6) are fixedly connected with swing bars (8) together, two sides of the swing bars (8) close to the top ends of the swing shafts (6) are fixedly connected with magnetic shafts (9), a wire carrying disc (2) for bearing cables is arranged between two sides of the inner wall of the cable coil (1), the swing snow assemblies (3) comprise two symmetrically distributed supporting blocks (4), a lantern ring (5) is connected between the supporting blocks (4) through a pin shaft, the lantern ring (5) is fixedly inserted with the swing shafts (6), the bottom ends of the swing shafts (6) are positioned in the drain holes (18), two sides of the swing bars (8) close to the top ends of the swing shafts (6) are fixedly connected with the magnetic shafts (9), two sides of the inner wall of the cable coil (1) are respectively provided with a magnetic block (9) which corresponds to each other, the swing bars (23) are positioned between the swing shafts (6) and the swing bars (24) and the swing bars (6) which are positioned around the swing bars (3), the utility model discloses a snow-melting assembly (25) that is used for accelerating snow melt is installed to axis body department that oscillating axle (6) is close to the bottom, snow-melting assembly (24) are including sleeve (11), sleeve (11) cup joint on oscillating axle (6) and with oscillating axle (6) swivelling joint, fixedly connected with a plurality of rotating blocks (12) on the outer wall of oscillating axle (6), and a plurality of rotating blocks (12) use sleeve (11) to be central annular array distribution, a plurality of the lower surface of rotating block (12) is all fixedly connected with a plurality of snow-melting ropes (14), and the bottom of a plurality of snow-melting ropes (14) is all fixedly connected with gravity ball (15), snow-melting assembly (24) still include slider (13), offer the cavity in rotating block (12), and the cavity sliding connection has snow-melting rope (14), the one side of snow-sweeping rope (14) is fixedly connected with a plurality of springs (19) between the cavity inner wall, snow-melting assembly (25) include two friction blocks (16), two bottom of snow-sweeping ropes (16) are all fixedly connected with one side of two friction blocks (16) and two pivot (17) are connected with one side of the oscillating axle (17) and are connected with both sides of two pivot (17) and are connected with pivot (17), the water storage bag (21) is installed to spacing ring (20) inner wall, and the intussuseption of water storage bag (21) is filled with aqueous solution, the outer wall cover of spacing ring (20) is equipped with friction sleeve (22), and the inner wall of friction sleeve (22) is connected with one side surface laminating of water storage bag (21), two friction piece (16) all are provided with the friction surface that coefficient of friction is high with one side surface that two friction sleeves (22) are close to each other.

2. The cable tray of claim 1, wherein the cable tray has a high compressive and bending strength: the outer wall of the magnetic shaft (9) is sleeved with a rubber sleeve (10) for protecting the magnetic shaft (9), and one end, close to the side wall of the cable drum (1), of the rubber sleeve (10) is provided with a through hole.

3. The cable tray of claim 1, wherein the cable tray has a high compressive and bending strength: the distance between the two friction blocks (16) and the side, close to each other, of the two friction sleeves (22) is larger than the swinging distance of the swinging shaft (6).

4. The cable tray of claim 1, wherein the cable tray has a high compressive and bending strength: the positions of the magnetic shaft (9) and the swinging strip (8) are higher than the upper surface of the cable drum (1).

5. The cable tray of claim 1, wherein the cable tray has a high compressive and bending strength: the bottom end of the swinging shaft (6) is fixedly connected with a stirring block (7), and the stirring block (7) is hemispherical.

6. The cable tray of claim 5, wherein the cable tray has a high compressive and bending strength: the swinging shaft (6) and the stirring block (7) are made of metal materials with high heat conductivity coefficients, and the surfaces of the swinging shaft and the stirring block are coated with antirust paint.

7. The cable tray of claim 1, wherein the cable tray has a high compressive and bending strength: the material of carrying coil (2) is higher hard material of coefficient of heat conductivity, the surface of carrying coil (2) is provided with a plurality of guide holes that are used for leading away snow water between the cable.