CN115173316B - Laying device and method for power cable on building wall - Google Patents

Abstract

The invention discloses a laying device for a power cable on a building wall, which comprises a lifter, a fixing structure, a plurality of steel wire tractors, a plurality of lifting structures and a plurality of steel wires, wherein the lifter is arranged on the building wall; the fixed structure is positioned above the lifter, and a first guide hole is formed in the bottom end of the fixed structure; the plurality of steel wire tractors are sequentially arranged along the horizontal direction, the plurality of lifting structures are arranged below the plurality of steel wire tractors in a one-to-one correspondence mode, each lifting structure comprises a fixed sliding groove plate, a sliding plate and a cable support, the sliding plate is connected to the fixed sliding groove plate in a sliding and clamping mode along the vertical direction, and the cable support is arranged on the sliding plate; the lifter drives the sliding plate and the cable support to slide up and down relative to the fixed sliding chute plate through the fixing structure, the steel wire tractor and the steel wire. When the power cable is used, the convenience of the power cable when the power cable is laid on a building wall can be effectively improved, and meanwhile, the later-stage maintenance, disassembly and assembly of the power cable are facilitated.

Description

Laying device and method for power cable on building wall

Technical Field

The invention relates to the technical field of power cable construction, in particular to a laying device and a laying method for a power cable on a building wall.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In power lines, the cable is increasing in specific weight. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy.

In the electric power construction process, often need lay power cable earlier, traditional power cable lays and adopts artifical direct drive power cable to lay more. By adopting the mode, the construction time of laying the whole cable is overlong, the labor cost is higher, and the working efficiency is low. In contrast, chinese patent No. CN202022899206.6, entitled as a power cable laying device, discloses a power cable laying device, which includes a base, an upper and lower limiting mechanism, a first guiding mechanism, a first side guard, a second side guard and a fixing seat are fixedly assembled on the top of the base, and one side of the first guiding mechanism is fixedly connected to the first side guard; this equipment for power cable lays through the upper and lower stop gear who sets up, mutually supporting of first guiding mechanism and second guiding mechanism and fastening inner ring and the mutually supporting of fastening outer loop, make the device great to the traction force of cable, it is more stable when traction cable removes, and be difficult for droing, the effectual labour when having saved staff's transport and laying the cable, and improved the work efficiency when laying the cable greatly, simultaneously through the telescopic machanism who sets up, can be used to pull the cable of different diameters, the suitability is more extensive, and the waterproof cover that sets up, the wire that exposes outside for cable one end provides the guarantee. Although the labor force during power cable laying can be effectively reduced when the power cable laying equipment is used, the power cable laying equipment can be only suitable for a laying mode that a power cable does not need to be lifted to a certain height, such as a cable tunnel, a cable trench or direct burial, when the power cable laying equipment is used, and when the power cable is required to be laid on a building wall, a worker still needs to manually draw the power cable to the laying height of the wall surface through auxiliary tools such as escalators or supports for laying. Therefore, a large amount of manpower and time are required to be invested for laying the power cables on the building wall, and therefore the requirement of people for convenience in laying the power cables cannot be met.

Disclosure of Invention

The invention aims to solve the technical problem that the power cable is time-consuming and labor-consuming when laid on a building wall in the prior art; the laying device and the laying method for the power cable on the building wall are provided, so that convenience of the power cable when the power cable is laid on the building wall is effectively improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a laying device for a power cable on a building wall comprises a lifter, a fixed structure, a plurality of steel wire tractors, a plurality of lifting structures and a plurality of steel wires;

the fixed structure is positioned above the lifter, and a first guide hole is formed in the bottom end of the fixed structure;

the steel wire tractors are sequentially arranged along the horizontal direction, each steel wire tractor comprises a connecting plate, two first fixing plates and pulleys, the two first fixing plates are respectively fixed on two opposite sides of the bottom end of the connecting plate, and the pulleys are rotatably connected between the two first fixing plates;

the lifting structures are arranged below the steel wire tractors in a one-to-one correspondence mode, each lifting structure comprises a fixed sliding groove plate, a sliding plate and a cable support, the sliding plate is connected to the fixed sliding groove plate in a sliding and clamping mode along the vertical direction, and the cable support is arranged on the sliding plate;

a plurality of the one end of steel wire all fixed and twine in on the riser, a plurality of the other end of steel wire is all walked around of one-to-one behind the first guiding hole again walk around on the steel wire tractor the pulley, at last with the pulley below the top fixed connection of slide.

Further, the relative both sides in fixed knot structure's bottom are equipped with the second fixed plate respectively, two the fixed first guiding axle that is equipped with between the second fixed plate, two the second fixed plate first guiding axle and fixed knot structure's bottom encloses establishes into first guiding hole, be equipped with a plurality of on the first guiding axle along the spacing annular of the first direction of the length direction evenly distributed of first guiding axle.

Further, the fixed guide frame that is equipped with in top of connecting plate, be equipped with the second guiding hole on the guide frame, the second guiding hole internal fixation is equipped with the second guiding axle, be equipped with a plurality of on the second guiding axle along the length direction evenly distributed's of second guiding axle second direction spacing annular.

Furthermore, the cable support comprises an upper mounting block and a lower mounting block, the upper mounting block and the lower mounting block are in sliding clamping connection with one side face, deviating from the fixed sliding chute plate, of the sliding plate along the vertical direction, an auxiliary spring is fixedly arranged between the upper mounting block and the lower mounting block, a semicircular upper through groove is formed in the bottom end of the upper mounting block, a semicircular lower through groove corresponding to the upper through groove is formed in the top end of the lower mounting block, and the lower through groove and the upper through groove relatively form a cable mounting hole.

Furthermore, the position department that corresponds to the cable support top on the slide is equipped with the spacing groove, still be equipped with the limiting plate on the slide, a side of limiting plate slides along vertical direction joint in the spacing inslot, just the top surface fixed connection of limiting plate and last installation piece.

Furthermore, the number of the cable supports on each sliding plate is more than two, and two adjacent cable supports are connected through a main spring.

Further, a laying device for power cable at building wall still includes cable draw gear, cable draw gear includes base, bracing piece, pivot, spacing axle and driving motor, the bracing piece is fixed in one side on base top, the pivot rotate connect in on the bracing piece, fixed cover is equipped with driven gear in the pivot, the relative both ends tip of pivot is equipped with the curb plate respectively, spacing axle is fixed in wherein one on the curb plate, just spacing axle with the pivot is coaxial setting, the cross section of spacing axle is the rectangle structure, the transmission is connected with the driving gear on driving motor's the output, the driving gear with driven gear intermeshing.

Furthermore, the limiting shaft is provided with a limiting hole, the limiting hole is perpendicular to the axis of the limiting shaft, one end of the limiting shaft, which is far away from the side plate, is provided with a positioning hole which is perpendicular to the limiting hole, the limiting shaft is further provided with a limiting mechanism, the limiting mechanism comprises two limiting blocks with fan-shaped cross sections and a thread extrusion rod, the two limiting blocks are respectively arranged at two opposite ends in the limiting hole, a rotating shaft is arranged at a position corresponding to the fan-shaped circle center of the limiting block, the rotating shaft is rotatably connected to one side, which is close to the positioning hole, in the limiting hole, one ends, which are far away from the positioning hole, of the two limiting blocks are mutually butted together, the thread extrusion rod is screwed in the positioning hole, one end of the thread extrusion rod is in sliding butt joint with the corresponding side face of the limiting block, and the other end of the thread extrusion rod is positioned outside the positioning hole.

Furthermore, the inner side of one end, far away from the positioning hole, of the limiting block is further provided with two limiting strips, and the two limiting strips on the limiting block are staggered with each other.

A laying method for a power cable on a building wall, which comprises any one of the laying devices for the power cable on the building wall, and comprises the following steps:

the assembly stage:

s1, respectively fixing a lifter, a fixing structure and a plurality of steel wire tractors on a building wall, wherein the height of the plurality of steel wire tractors in the horizontal direction is consistent with that of the fixing structure in the horizontal direction;

s2, fixing lifting structures on the building wall through a fixed sliding groove plate, wherein a plurality of lifting structures are correspondingly arranged below a plurality of steel wire tractors one by one;

s3, fixing and winding one end of each of a plurality of steel wires on the lifter, winding the other end of each of the plurality of steel wires around the first guide hole, then correspondingly winding the other end of each of the plurality of steel wires around the pulleys on the steel wire tractor one by one, and finally fixedly connecting the other end of each of the plurality of steel wires with the top end of the sliding plate below the corresponding pulley;

(II) laying phase

S4, loosening the steel wire by rotating the lifter to enable the sliding plate to slide to the bottom end of the fixed sliding groove plate, wherein the cable support on the sliding plate is also positioned at the bottom end of the fixed sliding groove plate; and then sequentially penetrating a power cable through the cable mounting holes on the plurality of lifting structures to enable the power cable to be clamped on the cable support, and finally rotating the lifter to tighten the steel wire to enable the sliding plate to drive the cable support and the power cable on the cable support to ascend to the height required to be mounted along the fixed sliding chute plate.

The invention has the beneficial effects that:

1. when the power cable is used, the convenience of the power cable when the power cable is laid on a building wall can be effectively improved, and meanwhile, the power cable is very convenient and quick to replace and disassemble at the later stage. The cable support that is used for fixed power cable that wherein sets up through the slide along vertical direction slip joint in on the fixed chute board, rethread riser cooperation steel wire adjusts the cable support for fixed chute board height at vertical side, and then has avoided need the staff to pull the condition of laying highly laying of power cable to the wall through appurtenance such as staircase or support manually at laying process. Meanwhile, when the power cable is maintained or replaced at the later stage, the cable support is adjusted to the height suitable for the operation of workers through the lifter and the steel wire. Namely, the power cable is very convenient and fast in the whole laying and dismounting process;

2. the cable support disclosed by the invention is composed of the upper mounting block and the lower mounting block which are connected through the auxiliary spring, so that the clamping mounting of the power cable can be facilitated when the cable support is used, and the cable support can be suitable for power cables of different types and specifications, thereby greatly improving the application range of the cable support.

Drawings

Fig. 1 is a schematic structural diagram of a laying device for power cables on a building wall, which is assembled on the building wall according to an embodiment of the present invention;

FIG. 2 is a schematic side view of the structure of FIG. 1 according to the embodiment of the present invention;

FIG. 3 is a schematic view of the assembled lifter, fixing structure, wire retractor and wire in accordance with the present invention;

FIG. 4 is a schematic perspective view of a fixing structure according to an embodiment of the present invention;

FIG. 5 is a perspective view of the wire retractor of the present invention;

FIG. 6 is a schematic perspective view of a part of a lifting structure according to an embodiment of the present invention;

FIG. 7 is a schematic view of a slider according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a cable pulling apparatus according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of a cable pulling apparatus in an embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of an embodiment of the invention showing the spacing shaft and the spacing mechanism assembled;

fig. 11 is a schematic perspective view of a limiting mechanism according to an embodiment of the present invention.

The symbols in the figures illustrate:

the device comprises a lifter 1, a fixed structure 2, a first guide hole 2-1, a second fixing plate 2-2, a first guide shaft 2-3, a first guide limiting ring groove 2-4, a steel wire tractor 3, a connecting plate 3-1, a first fixing plate 3-2, a pulley 3-3, a guide frame 3-4, a second guide hole 3-5, a second guide shaft 3-6, a second guide limiting ring groove 3-7, a steel wire 4, a fixed sliding groove plate 5, a sliding plate 6, a limiting groove 6-1, a limiting plate 6-2, a cable support 7, an upper mounting block 7-1, a lower mounting block 7-2, an auxiliary spring 7-3, a cable mounting hole 7-4, a main spring 7-5, a base 8, a supporting rod 9, a rotating shaft 10, a limiting shaft 11, a driving motor 12, a driven gear 13, a side plate 14, a driving gear 15, a limiting hole 16, a limiting block 17, a threaded extrusion rod 18, a cable reel 19 and a building 20.

Detailed Description

The embodiment of the invention provides a laying device and a laying method for a power cable on a building wall, and aims to solve the technical problem that the power cable is time-consuming and labor-consuming when laid on the building wall in the prior art.

The general idea adopted by the invention is as follows:

when a power cable is installed on a building wall in the prior art, generally, after a cable support is required to be fixed at a preset installation position on the wall, a worker manually pulls the power cable to the laying height of the wall through auxiliary tools such as an escalator or a bracket and then fixes the power cable on the cable support for laying. The cable support for fixing the power cable is connected to the fixed sliding chute plate in a sliding and clamping mode along the vertical direction through the sliding plate, the height of the cable support relative to the fixed sliding chute plate in the vertical direction is adjusted through the lifter matched with the steel wire, the height of the cable support can be adjusted through the lifter when the power cable is disassembled and assembled so that workers can conveniently disassemble and assemble the power cable, and therefore the situation that the workers need to manually pull the power cable to the laying height of the wall surface through auxiliary tools such as escalators or supports to lay the power cable in the laying process is avoided. The laying convenience of the power cable is greatly improved.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.

The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," and "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may also change accordingly.

As shown in fig. 1 to 11, a laying device for a power cable on a building wall includes a lifter 1, a fixing structure 2, three steel wire tractors 3, three lifting structures and three steel wires 4; the lifter 1 is an electric lifter which is conventionally used in the prior art, and in the actual application process, a person skilled in the art can select a manual lifter according to actual needs.

In-process of laying in the installation, fixed knot constructs 2 and is located the top of riser 1, it is three steel wire tractor 3 sets gradually, three along the horizontal direction the setting in of elevation structure one-to-one is three the below of steel wire tractor 3.

The bottom end of the fixed structure 2 is provided with a first guide hole 2-1 for the three steel wires 4 to pass through; each steel wire tractor 3 comprises a connecting plate 3-1, two first fixing plates 3-2 and pulleys 3-3, wherein the two first fixing plates 3-2 are respectively fixed on two opposite sides of the bottom end of the connecting plate 3-1, the pulleys 3-3 are rotatably connected between the two first fixing plates 3-2, the number of the pulleys 3-1 is two in the embodiment, and a steel wire 4 penetrates between the two pulleys 3-1 when the steel wire tractor is used. The number of the pulleys 3-3 can be set to one in the actual application process;

every elevation structure all includes fixed spout board 5, slide 6 and cable support 7, slide 6 along vertical direction slip joint in on the fixed spout board 5, slide 6 with what fixed spout board 5 adopted is that the mode of draw-in groove and the mutual slip joint of fixture block realizes the slip joint and is connected, specifically does, be equipped with the first slip draw-in groove that sets up along the direction of height of fixed spout board 5 on the fixed spout board 5, first slip draw-in groove is top opening bottom confined structure, then be equipped with on the slide 6 with the first slip fixture block of first slip draw-in groove structure looks adaptation, when the equipment, first slip fixture block from last down the joint in the first slip draw-in groove to realize the mutual slip joint between slide 6 and the fixed spout board 5. The cable support 7 is arranged on the sliding plate 6; in order to facilitate paving, a power cable is fast clamped on a cable support 7 in a sliding manner, the cable support 7 comprises an upper mounting block 7-1 and a lower mounting block 7-2, the upper mounting block 7-1 and the lower mounting block 7-2 are slidably clamped on one side face, deviating from the fixed sliding chute plate 5, of the sliding plate 6, the upper mounting block 7-1, the lower mounting block 7-2 and the sliding plate 6 are slidably clamped in the same manner as the fixed sliding chute plate 5 and the sliding plate 6, and are also slidably clamped in a manner of clamping grooves and clamping blocks, namely, a second sliding clamping groove which is arranged along the height direction of the sliding plate 6 is arranged on one side face, deviating from the fixed sliding chute plate 5, of the sliding plate 6, the second sliding clamping groove is also of a structure with an open top end and a closed bottom end, and second sliding clamping blocks which are matched with the second sliding clamping groove structure are arranged on the upper mounting block 7-1 and the lower mounting block 7-2, and are assembled, and the second sliding clamping blocks are slidably clamped in the second sliding clamping groove, so that the upper mounting block 7-1 and the lower mounting block 7-2 are clamped in the sliding groove. An auxiliary spring 7-3 is fixedly arranged between the upper mounting block 7-1 and the lower mounting block 7-2, a semicircular upper through groove is formed in the bottom end of the upper mounting block 7-1, a semicircular lower through groove corresponding to the upper through groove is formed in the top end of the lower mounting block 7-2, and the lower through groove and the upper through groove relatively form a cable mounting hole 7-4. When in use, the laid power cable passes through the cable mounting hole 7-4. In the embodiment, the cable support 7 is composed of an upper mounting block 7-1 and a lower mounting block 7-2 which can slide on the sliding plate 6, and meanwhile, an auxiliary spring 7-3 is arranged between the upper mounting block 7-1 and the lower mounting block 7-2, so that the power cable can be directly plugged into a cable mounting hole 7-4 between the upper mounting block 7-1 and the lower mounting block 7-2 when the power cable is laid, the power cable can be directly clamped under the elastic force of the auxiliary spring 7-3, and meanwhile, the auxiliary spring 7-4 has certain elasticity, so that the cable support 7 can be suitable for clamping power cables with different diameters in the actual application process. Meanwhile, in the actual application process, a plurality of power cables are often laid at the same time, so that a plurality of cable holders 7 uniformly distributed in the vertical direction can be arranged on the sliding block 6 according to the actual needs by those skilled in the art. In order to enable the plurality of cable holders 7 to achieve the technical effects of being convenient for clamping and being suitable for power cables with different diameters, a main spring 7-5 is arranged between every two adjacent cable holders 7. For example, in the present embodiment, the number of the cable holders 7 on each of the slide plates 6 is two, and the main spring 7-5 is provided between the two cable holders 7.

In order to ensure the stability and the installation performance of the cable support 7 in the using process, the sliding plate 6 is provided with two limiting grooves 6-1 corresponding to the positions above the cable support 7, and the two limiting grooves 6-1 are respectively positioned at two opposite sides of the second sliding groove. The sliding plate 6 is further provided with a limiting plate 6-2, one side edge of the limiting plate 6-2 is clamped in the limiting groove 6-1 in a sliding mode along the vertical direction, and the limiting plate 6-2 is fixedly connected with the top surface of the upper mounting block 7-1 through screws during assembly. Meanwhile, it is noted that, in a case where the cable is not used after the assembly is completed, the stopper plate 6-2 is located at the lowest end of the stopper groove 6-1, and the main spring 7-5 and the sub spring 7-3 are both in the original length state, and when the cable is used, the upper mounting block 7-1 and the lower mounting block 7-2 are spread apart when the power cable passes through the cable mounting hole 7-4, and at this time, the sub spring 7-3 is stretched, and the main spring 7-5 is compressed, and the stopper plate 6-2 slides upward along the stopper groove 6-1 to reduce the amount of stretching of the sub spring 7-3 and the amount of compression of the main spring 7-5. The situation that the elastic restoring force of the spring is influenced due to long-term excessive deformation is avoided.

When the device is installed, one end of each of the three steel wires 4 is fixed and wound on the lifter 1, and the other end of each of the three steel wires 4 bypasses the first guide hole 2-1, then bypasses the pulleys 3-3 in a one-to-one correspondence manner, and is finally fixedly connected with the top end of the sliding plate 6 below the pulleys 3-3. When in use, the lifter 1 is matched with the steel wire 4 to drive the sliding plate 6 to slide up and down relative to the fixed sliding chute plate 5.

In order to avoid the situation that three steel wires 4 are extruded each other when passing through the first guide hole 2-1, the composition structure of the first guide hole 2-1 is that two opposite sides of the bottom end of the fixed structure 2 are respectively provided with a second fixed plate 2-2, two first guide shafts 2-3 are fixedly arranged between the second fixed plates 2-2, two second fixed plates 2-2, the first guide shafts 2-3 and the bottom end of the fixed structure 2 are enclosed into the first guide hole 2-1, and three first guide limiting annular grooves 2-4 which are uniformly distributed along the length direction of the first guide shafts 2-3 are arranged on the first guide shafts 2-3. During assembly, the three steel wires 4 correspondingly bypass the first guide limiting ring grooves 2-4 when passing through the first guide holes 2-1 respectively.

In order to facilitate wiring of the steel wire 4 during assembly, the top end of the connecting plate 3-1 is fixedly provided with a guide frame 3-4, a second guide hole 3-5 convenient for the steel wire 4 to pass through is formed in the guide frame 3-4, a second guide shaft 3-6 is fixedly arranged in the second guide hole 3-5, and three second guide limiting ring grooves 3-7 uniformly distributed along the length direction of the second guide shaft 3-6 are formed in the second guide shaft 3-6.

In order to facilitate paying off and pulling the power cable when laying, a laying device for the power cable on a building wall body further comprises a cable traction device, the cable traction device comprises a base 8, a supporting rod 9, a rotating shaft 10, a limiting shaft 11 and a driving motor 12, the supporting rod 9 is fixed on one side of the top end of the base 8, the rotating shaft 10 is rotatably connected onto the supporting rod 9, a driven gear 13 is fixedly arranged on the rotating shaft 10, side plates 14 are respectively arranged at the end parts of the two opposite ends of the rotating shaft 10, the limiting shaft 11 is fixed on one of the side plates 14, the limiting shaft 11 and the rotating shaft 10 are coaxially arranged, the cross section of the limiting shaft 11 is of a rectangular structure, a driving gear 15 is connected to the output end of the driving motor 12 in a transmission mode, and the driving gear 15 is meshed with the driven gear 13. During assembly, the axial center of the cable reel 19 is provided with a jack matched with the structure of the limiting shaft 11, the cable reel 19 is inserted into the limiting shaft 11 through the jack, and meanwhile, the cross section of the limiting shaft 11 is of a rectangular structure, so that the cable reel 19 and the limiting shaft 11 cannot rotate relatively after the cable reel 19 is inserted into the limiting shaft 11. When the cable drum is used, the rotating shaft 10 is driven to rotate by the driving motor 12, at the moment, the limiting shaft 11 fixed on the side plate 14 of the rotating shaft 10 and the cable drum 19 inserted on the limiting shaft 11 also rotate together, and therefore the effect of automatically paying off a power cable on the cable drum 19 is achieved.

In order to ensure the stability of the cable reel 19 on the limiting shaft 11 in the paying-off process, a limiting hole 16 is formed in the limiting shaft 11, the limiting hole 16 is perpendicular to the axis of the limiting shaft 11, one end portion, away from the side plate 14, of the limiting shaft 11 is provided with a positioning hole (not marked in the drawing) which is perpendicular to and communicated with the limiting hole 16, a limiting mechanism is further arranged on the limiting shaft 11 and comprises two limiting blocks 17 with fan-shaped cross sections and a threaded extrusion rod 18, the two limiting blocks 17 are respectively arranged at two opposite ends in the limiting hole 16, a rotating shaft is arranged at a position, corresponding to the fan-shaped circle center of the limiting blocks 17, of the limiting mechanism is rotatably connected to one side, close to the positioning hole, of the limiting blocks 17, one ends, away from the positioning hole, of the limiting blocks 17 are butted with each other, the threaded extrusion rod 18 is screwed in the positioning hole, one end of the threaded extrusion rod 18 is in sliding and abutting against the corresponding side face of the limiting block 17, and the other end of the threaded extrusion rod 18 is located outside the positioning hole. When the cable reel 19 is used, after the cable reel 19 is inserted into the limiting shaft 11, the cable reel 19 is pushed towards the limiting hole 16 by rotating the threaded extrusion rod 18, and at the moment, one ends of the two limiting blocks 17, which are far away from the positioning hole, are pushed outwards under the action of the threaded extrusion rod 18, so that the cable reel 19 on the limiting shaft 11 is clamped, and the situation that the cable reel 19 slides out of the limiting shaft 11 when rotating is avoided. Meanwhile, in order to avoid that one end of the limiting block 17, which is far away from the positioning hole, is integrally rotated out of the limiting hole 16 when the positioning tool is used, a limiting strip is further arranged on the inner side of one end, which is far away from the positioning hole, of the limiting block 17; the two limiting strips on the limiting blocks 17 are arranged in a staggered mode.

A laying method for a power cable on a building wall comprises the laying device for the power cable on the building wall, and the laying method comprises the following steps:

the assembly stage:

s1, respectively fixing a lifter 1, a fixed structure 2 and three steel wire tractors 3 on a building wall 20, wherein the height of the three steel wire tractors 30 in the horizontal direction is consistent with that of the fixed structure 2 in the horizontal direction;

s2, fixing lifting structures on the building wall 20 through the fixed chute plates 5, wherein the three lifting structures are correspondingly positioned below the plurality of steel wire tractors 30 one by one;

s3, fixing and winding one end of each of three steel wires 4 on the lifter 1, and winding the other end of each of the three steel wires 4 around the first guide hole 2-1, then correspondingly winding the other end of each of the three steel wires 4 around the pulley 3-3 on the steel wire tractor 3 one by one, and finally fixedly connecting the other end of each of the three steel wires with the top end of the sliding plate 6 below the pulley 3-3;

(II) laying phase

S4, rotating the lifter 1 to loosen the steel wire 4 so that the sliding plate 6 slides to the bottom end of the fixed sliding groove plate 5, wherein the cable support 7 on the sliding plate 6 is also positioned at the bottom end of the fixed sliding groove plate 5; and then sequentially passing the power cable through the three cable mounting holes 7-4 on the lifting structure to clamp the power cable on the cable support 7, and finally rotating the lifter 1 to tighten the steel wire 4 to enable the sliding plate 6 to drive the cable support 7 and the power cable on the cable support 7 to ascend to the height required to be mounted along the fixed sliding groove plate 5.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides a laying device that is used for power cable at building wall which characterized in that: comprises a lifter (1), a fixed structure (2), a plurality of steel wire tractors (3), a plurality of lifting structures and a plurality of steel wires (4);

the fixed structure (2) is positioned above the lifter (1), and a first guide hole (2-1) is formed in the bottom end of the fixed structure (2);

the steel wire tractors (3) are sequentially arranged along the horizontal direction, each steel wire tractor (3) comprises a connecting plate (3-1), two first fixing plates (3-2) and a pulley (3-3), the two first fixing plates (3-2) are respectively fixed on two opposite sides of the bottom end of the connecting plate (3-1), and the pulley (3-3) is rotatably connected between the two first fixing plates (3-2);

the lifting structures are arranged below the steel wire tractors (3) in a one-to-one correspondence manner, each lifting structure comprises a fixed sliding chute plate (5), a sliding plate (6) and a cable support (7), the sliding plate (6) is clamped on the fixed sliding chute plate (5) in a sliding manner along the vertical direction, and the cable support (7) is arranged on the sliding plate (6);

a plurality of the one end of steel wire (4) all fixed and twine in on riser (1), a plurality of the other end of steel wire (4) all walks around behind first guiding hole (2-1) one-to-one again walk around on steel wire tractor (3) pulley (3-3), last with pulley (3-3) below the top fixed connection of slide (6).

2. A laying device for electric power cables on building walls according to claim 1, characterized in that: the relative both sides in bottom of fixed knot structure (2) are equipped with second fixed plate (2-2), two it is fixed to be equipped with first guiding axle (2-3), two between second fixed plate (2-2) first guiding axle (2-3) and the bottom of fixed knot structure (2) is enclosed and is established into first guiding hole (2-1), be equipped with on first guiding axle (2-3) a plurality of along the spacing annular of first direction (2-4) of the length direction evenly distributed of first guiding axle (2-3).

3. A laying device for electric power cables on building walls according to claim 1, characterized in that: the top of connecting plate (3-1) is fixed and is equipped with guide frame (3-4), be equipped with second guiding hole (3-5) on guide frame (3-4), second guiding hole (3-5) internal fixation is equipped with second guiding axle (3-6), be equipped with on second guiding axle (3-6) a plurality of along the spacing annular of second direction (3-7) of the length direction evenly distributed of second guiding axle (3-6).

4. A laying device for electric power cables on building walls according to claim 1, characterized in that: the cable support (7) comprises an upper mounting block (7-1) and a lower mounting block (7-2), the upper mounting block (7-1) and the lower mounting block (7-2) are slidably clamped on one side face, deviating from the fixed sliding chute plate (5), of the sliding plate (6) along the vertical direction, an auxiliary spring (7-3) is fixedly arranged between the upper mounting block (7-1) and the lower mounting block (7-2), a semicircular upper through groove is formed in the bottom end of the upper mounting block (7-1), a semicircular lower through groove corresponding to the upper through groove is formed in the top end of the lower mounting block (7-2), and a cable mounting hole (7-4) is formed by the lower through groove and the upper through groove relatively.

5. A laying device for electric power cables on building walls according to claim 4, characterized in that: the cable support is characterized in that a limiting groove (6-1) is formed in the position, corresponding to the position above the cable support (7), of the sliding plate (6), a limiting plate (6-2) is further arranged on the sliding plate (6), one side edge of the limiting plate (6-2) is connected in the limiting groove (6-1) in a sliding and clamping mode along the vertical direction, and the limiting plate (6-2) is fixedly connected with the top face of the upper mounting block (7-1).

6. A laying device for electric power cables on building walls according to claim 1, characterized in that: the number of the cable supports (7) on each sliding plate (6) is more than two, and the adjacent two cable supports (7) are connected through a main spring (7-5).

7. A laying device for electric power cables on building walls according to claim 1, characterized in that: still include cable draw gear, cable draw gear includes base (8), bracing piece (9), pivot (10), spacing axle (11) and driving motor (12), bracing piece (9) are fixed in one side on base (8) top, pivot (10) rotate connect in on bracing piece (9), fixed cover is equipped with driven gear (13) in pivot (10), the relative both ends tip of pivot (10) is equipped with curb plate (14) respectively, spacing axle (11) are fixed in one of them on curb plate (14), just spacing axle (11) with pivot (10) are coaxial setting, the cross section of spacing axle (11) is the rectangle structure, the transmission is connected with driving gear (15) on the output of driving motor (12), driving gear (15) with driven gear (13) intermeshing.

8. A laying device for electric power cables on building walls according to claim 7, characterized in that: the limiting device is characterized in that a limiting hole (16) is formed in the limiting shaft (11), the limiting hole (16) is perpendicular to the axis of the limiting shaft (11), one end portion, away from the side plate (14), of the limiting shaft (11) is provided with a positioning hole which is perpendicular to the limiting hole (16), a limiting mechanism is further arranged on the limiting shaft (11), the limiting mechanism comprises two limiting blocks (17) with fan-shaped sections and a thread extrusion rod (18), the limiting blocks (17) are arranged at two opposite ends in the limiting hole (16) respectively, a rotating shaft is arranged at a position, corresponding to the fan-shaped circle center of each limiting block (17), the rotating shaft is rotatably connected to one side, close to the positioning hole, of the limiting hole (16), the limiting blocks (17) are far away from one ends of the positioning hole and are in butt joint with each other, the thread extrusion rod (18) is in the positioning hole in a thread screwing mode, one end of the thread extrusion rod (18) is in the positioning hole in sliding butt joint with the corresponding side face of the limiting block (17), and the other end of the thread extrusion rod (18) is located outside.

9. A laying device for electric power cables on building walls according to claim 8, characterized in that: the inner sides of the limiting blocks (17) far away from one end of the positioning hole are further provided with limiting strips, and the limiting strips on the two limiting blocks (17) are arranged in a staggered mode.

10. A method for laying a power cable on a building wall, comprising the laying device for a power cable on a building wall according to any one of claims 1 to 9, wherein: the method comprises the following steps:

the assembly stage:

s1, respectively fixing a lifter (1), a fixed structure (2) and a plurality of steel wire tractors (3) on a building wall (20), wherein the heights of the plurality of steel wire tractors (3) in the horizontal direction are consistent with the height of the fixed structure (2) in the horizontal direction;

s2, fixing lifting structures on a building wall (20) through a fixed chute plate (5), wherein a plurality of lifting structures are correspondingly arranged below a plurality of steel wire tractors (3) one by one;

s3, fixing and winding one ends of a plurality of steel wires (4) on the lifter (1), winding the other ends of the plurality of steel wires (4) around the first guide holes (2-1), correspondingly winding the other ends of the plurality of steel wires around the pulleys (3-3) on the steel wire tractor (3), and finally fixedly connecting the other ends of the plurality of steel wires with the top end of the sliding plate (6) below the pulleys (3-3);

(II) laying phase

S4, loosening the steel wire (4) by rotating the lifter (1) to enable the sliding plate (6) to slide to the bottom end of the fixed sliding chute plate (5), wherein the cable support (7) on the sliding plate (6) is also located at the bottom end of the fixed sliding chute plate (5); and then, sequentially passing a power cable through the cable mounting holes (7-4) on the lifting structures to enable the power cable to be clamped on the cable support (7), and finally rotating the lifter (1) to tension the steel wire (4) to enable the sliding plate (6) to drive the cable support (7) and the power cable on the cable support (7) to ascend to the height required to be mounted along the fixed sliding chute plate (5).

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