CN116995576B

CN116995576B - Cable tensioning device for power construction

Info

Publication number: CN116995576B
Application number: CN202311270023.XA
Authority: CN
Inventors: 武军权; 武佳怡
Original assignee: Jiangsu Hengpeng Smart City Technology Co ltd
Current assignee: Jiangsu Hengpeng Smart City Technology Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2023-12-29
Anticipated expiration: 2043-10-07
Also published as: CN116995576A

Abstract

The invention discloses a cable tensioning device for power construction, and particularly relates to the technical field of power engineering construction devices. According to the cable tensioning device for electric power construction, the friction force between the outer surface of the cable body and the inner surfaces of the second wire groove and the first wire groove can be improved through the high-resistance rubber sheet arranged on the inner surfaces of the second wire groove and the first wire groove, the stability in the process of dragging the cable body is enhanced, and meanwhile the integrity of an insulating layer on the outer surface of the cable body can be protected through the high-resistance rubber sheet, so that mechanical damage is avoided.

Description

Cable tensioning device for power construction

Technical Field

The invention relates to the technical field of power engineering construction devices, in particular to a cable tensioning device for power construction.

Background

The electric power engineering is related to the production, transmission and distribution of electric energy, and when an electrician performs electric power construction, in order to ensure the safety and standardization of cable erection, the cable is often required to be erected at a high position and tensioned during construction, so that the cable is prevented from swinging unstably or short-circuit faults caused by mutual contact between the cables during use.

Chinese patent document CN111799700B discloses a cable tensioning device for high-altitude power construction, comprising a base, a plurality of fixing bodies arranged at the lower part of the base, and a cable tightening rod arranged at the upper part of the base, wherein one end of the fixing rod is hinged with a movable clip; the cable tightens up pole one side and is equipped with fixed splint of installing on base upper portion, and fixed splint upper portion is equipped with the pull rod, and pull rod one end is equipped with the pull ring, and pull rod and fixed splint both sides are equipped with first movable rod, and first movable rod one side is equipped with the second movable rod, and the pull rod lower part is equipped with movable splint, and movable splint is fixedly installed in first movable rod and second movable rod one side. According to the invention, the cable tensioning device is fixed on the electric pole or the aerial ladder by the fixing main body, and the motor or the rotating rocker is started to tension the cable, so that the working intensity of electricians is reduced, and the construction safety of the electricians is protected; however, the following drawbacks remain in practice:

in the above patent document, in the process of clamping the cable, the upper part of the fixed clamping plate and the lower part of the movable clamping plate are respectively provided with the corrugated grooves, so that the friction force between the fixed clamping plate and the cable can be improved, but in the use process, the corrugated grooves can damage the insulating layer of the cable under the action of the tensile force and the self action, so that the insulating layer of the cable is invalid, and only the cable pulling can be stopped, and the insulating damaged part can be re-wrapped, thereby wasting time.

Disclosure of Invention

The invention mainly aims to provide a cable tensioning device for electric power construction, which can effectively solve the problem that a corrugated groove damages an insulating layer of a cable under the action of pulling force and the corrugated groove, so that the insulating layer of the cable is invalid.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the cable tensioning device for electric power construction comprises two arc clamping plates, a cable body, a plurality of rubber strips and a plurality of connecting locks, wherein one side of the outer surfaces of the two arc clamping plates is rotationally connected, the plurality of connecting locks are arranged on the other side of the outer surfaces of the two arc clamping plates and are used for connecting the two arc clamping plates together, and the plurality of rubber strips are respectively arranged on the inner surfaces of the two arc clamping plates;

one of them circular arc splint surface upper portion is equipped with concave type horizontal plate, concave type horizontal plate upper end bilateral symmetry is equipped with drive unit and adjustment unit, two the adjustment unit front portion of homonymy is located respectively to drive unit, two one side that drive unit is close to each other all is equipped with and is used for dragging the unit that pulls of cable body, concave type horizontal plate upper end left side middle part and upper end right side middle part all are equipped with rings.

Preferably, grooves for guiding the adjusting unit in the moving process are symmetrically formed in the left part and the right part of the upper end of the concave horizontal plate.

Preferably, a driving mechanism is arranged on one side, close to the arc clamping plate, of the adjusting unit, a semicircular arc plate is arranged on one side, far away from the arc clamping plate, of the adjusting unit, and inclined planes for adjusting the running state of the pulling unit are formed in the upper portion and the lower portion of the inner surface of one side, far away from the adjusting unit, of the semicircular arc plate.

Preferably, the driving mechanism comprises a driving frame which is slidably arranged on the bottom wall of the inner cavity of the groove, the front part of the left end and the front part of the right end of the driving frame are respectively provided with a limiting groove communicated with the inner cavity of the driving frame, the inner surfaces of the two limiting grooves are respectively slidably provided with a limiting rod fixed on the inner surface of the groove on the same side, and the rear end of the driving frame is in threaded connection with a threaded rod which penetrates through the middle part of the rear end of the driving frame and extends to the inner cavity of the driving frame.

Preferably, the driving unit comprises a first shell, a driving shaft extending to the outside through the first inner cavity of the first shell is arranged at the front part of the first inner cavity of the first shell, a worm wheel and a worm which are meshed with each other are respectively arranged at the outer surface of the driving shaft and the rear part of the bottom wall of the first inner cavity of the first shell, a semi-conical gear disc is arranged at one side, far away from the first shell, of the outer surface of the driving shaft, and a connecting rod is jointly arranged at one side, close to the first shell, of the semi-conical gear disc.

Preferably, the pulling unit comprises a pulling wheel, the pulling wheel is arranged at one end of the driving shaft far away from the first shell, a plurality of first wire grooves attached to the outer surface of the cable body are formed in the outer surface of the pulling wheel, a plurality of fixing mechanisms and limiting plates are arranged on an annular array at the outer side of one end, close to the first shell, of the pulling wheel, and the fixing mechanisms and the limiting plates are distributed at intervals.

Preferably, the fixed establishment includes the mounting panel, the mounting panel is fixed to be located and is dragged the one end outside that the wheel is close to homonymy shell one, the mounting panel is close to the one end middle part of dragging the wheel centre of a circle and is equipped with the guide bar that runs through the mounting panel, the one end that the guide bar is close to dragging the wheel surface is equipped with clamp plate and gyro wheel, the guide bar surface is close to and is equipped with spring one jointly between one side that the clamp plate is close to and the mounting panel, the guide bar surface is kept away from and is equipped with the torsional spring jointly between one end of clamp plate and the mounting panel, the one end that the guide bar is close to dragging the wheel middle part is equipped with the restriction mechanism that is used for adjusting the clamp plate angle with the semi-cone gear dish mutually supporting.

Preferably, a plurality of wire grooves II which are matched with the wire grooves I on the same side and are suitable for the wire grooves I are formed in one end, close to the outer surface of the dragging wheel, of the pressing plate, and high-resistance rubber sheets are fixed on the inner surfaces of the wire grooves II and the inner surfaces of the wire grooves I.

Preferably, the limiting mechanism comprises a second shell, the second shell is fixed at one end of the guide rod, which is close to the middle of the dragging wheel, a plurality of hemispherical grooves are formed in the outer side of the inner cavity of the second shell, and a driving rod penetrating through the second shell and extending to the inner cavity is arranged in the middle of one end of the second shell, which is close to the middle of the dragging wheel.

Preferably, one end of the driving rod far away from the middle part of the dragging wheel is provided with a first guide plate sliding on the inner side of the second inner surface of the shell, an annular array of one end of the first guide plate far away from the middle part of the dragging wheel is provided with a plurality of springs II and a second guide plate which are distributed at intervals, one end of the second spring far away from the first guide plate is jointly provided with a cylindrical block, an annular array of one end outer side of the cylindrical block close to the first guide plate is provided with a plurality of guide grooves matched with the guide plates on the same side, one end of the cylindrical block close to the second shell is provided with a plurality of balls matched with the hemispherical grooves, and one end of the driving rod close to the middle part of the dragging wheel is provided with a first conical gear.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the friction force between the outer surface of the cable body and the inner surfaces of the second wire groove and the first wire groove can be improved through the high-resistance rubber sheet arranged on the inner surfaces of the second wire groove and the first wire groove, so that the stability in the process of dragging the cable body is enhanced, the cable body is prevented from sliding in the moving process, meanwhile, the integrity of an insulating layer on the outer surface of the cable body can be protected through the high-resistance rubber sheet, the mechanical damage is avoided, the continuous operation in the dragging process is ensured, and the time for dragging the cable body is reduced.

In the use process, the cable body is arranged on the outer surface of the dragging wheel, the semicircular arc plate is adjusted to a proper position through the first threaded rod, the worm is manually rotated, the driving shaft is driven to synchronously rotate along with the worm wheel through the meshing relationship between the worm and the worm wheel, the dragging wheel is driven to synchronously rotate along with the driving shaft, the cable body is tensioned under the auxiliary action of the semicircular arc plate, and meanwhile, the effect of fixing the position of the dragging wheel at any time can be achieved through the connection characteristic between the worm and the worm wheel, so that electric power constructors can rest at any time, the safety in the process of dragging the cable body is improved, and the fatigue degree of electric power workers is reduced.

In the use process, the cable body is placed on the inner surface of the first wire slot, the pressing plate is driven to rotate and vertical to the outer surface of the dragging wheel under the mutual matching of the semi-conical gear disc and the first conical gear, the pressing plate presses the upper part of the outer surface of the cable body under the action of the inclined surface positioned at the upper part along with the rotation of the dragging wheel, the cable body moves along with the rotation of the dragging wheel, after the semi-conical gear disc is separated from the first conical gear disc, the pressing plate is restored to the position parallel to the dragging wheel under the action of the torsion spring and the inclined surface positioned at the lower part, the pressing effect on the cable body is relieved, the clamping position is not required to be adjusted in the use process, the purpose of clamping and dragging the cable body is realized along with the rotation of the dragging wheel, the dragging time is reduced, and the construction efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of another view of the overall structure of the present invention;

FIG. 3 is a partial schematic view of the overall structure of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 3A in accordance with the present invention;

FIG. 5 is a schematic diagram showing the detailed structure of the adjusting unit of the present invention;

fig. 6 is a schematic view showing the internal structure of the driving unit and the overall structure of the pulling unit according to the present invention;

FIG. 7 is an enlarged schematic view of FIG. 6B in accordance with the present invention;

FIG. 8 is an enlarged schematic view of FIG. 6 at C in accordance with the present invention;

FIG. 9 is a schematic view of a partial structure of a pulling unit according to the present invention;

FIG. 10 is a schematic view of the whole structure of the fixing mechanism of the present invention;

fig. 11 is an enlarged schematic view of fig. 10D according to the present invention.

In the figure: 1. arc clamping plates; 3. a rubber strip; 4. connecting a lockset; 5. a concave horizontal plate; 51. a groove; 6. a driving unit; 61. a first shell; 62. a worm wheel; 63. a drive shaft; 64. a semi-conical gear plate; 65. a worm; 7. an adjusting unit; 71. a driving mechanism; 711. a drive frame; 712. a limit groove; 713. a limit rod; 714. a first threaded rod; 72. a semicircular arc plate; 73. an inclined plane; 8. a pulling unit; 81. a drag wheel; 82. a first wire slot; 84. a fixing mechanism; 841. a mounting plate; 842. a guide rod; 843. a pressing plate; 8431. a second wire slot; 844. a first spring; 845. a torsion spring; 846. a restriction mechanism; 8461. a second shell; 8462. hemispherical grooves; 8463. a driving rod; 8464. a first guide plate; 8465. a cylindrical block; 8466. a ball; 8467. a second spring; 8468. a second guide plate; 8469. a guide groove; 8460. a first conical gear; 847. a roller; 85. a limiting plate; 9. a hanging ring; 10. a cable body.

Description of the embodiments

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a cable tensioning device for electric power construction comprises two arc clamping plates 1, a cable body 10, a plurality of rubber strips 3 and a plurality of connecting locks 4, wherein one side of the outer surfaces of the two arc clamping plates 1 is rotationally connected, the plurality of connecting locks 4 are all arranged on the other side of the outer surfaces of the two arc clamping plates 1 and are used for connecting the two arc clamping plates 1 together, the plurality of rubber strips 3 are respectively arranged on the inner surfaces of the two arc clamping plates 1, and hanging rings 9 are respectively arranged in the middle of the left side of the upper end of a concave horizontal plate 5 and the middle of the right side of the upper end of the concave horizontal plate;

the connecting lock 4 comprises a threaded rod II and a nut, wherein the threaded rod II is rotatably arranged on the outer surface of one arc clamping plate 1, the nut is rotatably arranged on the outer surface of the other arc clamping plate 1, the threaded rod II and the nut are arranged at the same height, in the use process, the two arc clamping plates 1 are respectively coated on the outer surface of the telegraph pole, the two arc clamping plates 1 are connected with the nut through the threaded rod II, the two arc clamping plates 1 are arranged on the outer surface of the telegraph pole, in the use process, the telegraph pole is clamped through the two arc clamping plates 1, and under the action of a plurality of rubber strips 3, the friction force between the arc clamping plates 1 and the telegraph pole can be increased, the arc clamping plates 1 are prevented from sliding, and the stability of the arc clamping plates 1 and the like in the operation process is ensured.

Specifically, in order to tighten the cable body 10, referring to fig. 1 and 2, in this embodiment, a concave horizontal plate 5 is disposed on an upper portion of an outer surface of one of the arc clamping plates 1, driving units 6 and adjusting units 7 are symmetrically disposed on an upper end of the concave horizontal plate 5, the two driving units 6 are respectively disposed in front of the adjusting units 7 on the same side, and a pulling unit 8 for pulling the cable body 10 is disposed on a side, close to each other, of the two driving units 6.

According to the above, in the use process, after one ends of the cable bodies 10 are fixed, the other ends of the cable bodies 10 are wound inside the two pulling units 8, the driving unit 6 is driven to operate manually, the pulling units 8 are driven to rotate by the driving unit 6, the cable bodies 10 are pulled under the auxiliary adjustment effect of the adjusting unit 7, the cable bodies 10 are gradually tensioned to enable the cable bodies 10 to be suspended, after the cable bodies 10 are fixed on a telegraph pole, the auxiliary effect of the adjusting unit 7 on the pulling units 8 is relieved by operating the adjusting unit 7, finally the cable bodies 10 are taken down, the tensioning operation of the cable bodies 10 can be completed, the cable bodies 10 are suspended, the fact that the cable bodies 10 cannot collide together under the action of wind force is guaranteed, and the fatigue degree of electric workers can be reduced through the driving unit 6 in the pulling process, and the tensioning installation efficiency is improved.

Specifically, in order to enable the cable body 10 to be mounted on the drag wheel 81, and to enable the cable body 10 to be pulled by rotating the drag wheel 81 and to enable the cable body 10 to be easily removed after the pulling is completed, referring to fig. 3, 4 and 5, in this embodiment, the left portion and the right portion of the upper end of the concave horizontal plate 5 are symmetrically provided with grooves 51 for guiding the adjusting unit 7 during the movement;

the adjustment unit 7 can be guided during the movement by means of the grooves 51 provided;

further, in order to adjust the position of the adjusting unit 7, referring to fig. 3, 4 and 5, in this embodiment, a driving mechanism 71 is disposed on a side of the adjusting unit 7 close to the arc clamping plate 1, a semicircular arc plate 72 is disposed on a side of the adjusting unit 7 far from the arc clamping plate 1, and inclined surfaces 73 for adjusting the running state of the pulling unit 8 are disposed on the upper portion and the lower portion of the inner surface of the side of the semicircular arc plate 72 far from the adjusting unit 7;

as can be seen from the above, before use, after the pulling unit 8 and the like are mounted on the utility pole by the two arc clamping plates 1, the cable body 10 is mounted on the outer surface of the pulling wheel 81, then the adjusting unit 7 and the semicircular arc plate 72 are driven forward by operating the driving mechanism 71, so that the semicircular arc plate 72 is close to the outer surface of the pulling wheel 81, the pulling wheel 81 is driven to rotate by the driving unit 6 during use, then the plurality of fixing mechanisms 84 close to one side of the inner surface of the semicircular arc plate 72 are pressed against the cable body 10 under the action of the semicircular arc plate 72 and the inclined surface 73, the cable body 10 is pulled to move by the rotation of the pulling wheel 81, the cable body 10 is pulled tightly, after the cable body 10 is mounted, the driving mechanism 71 is driven in the reverse direction, the adjusting unit 7 and the semicircular arc plate 72 are driven backward, the pressing operation of the fixing mechanisms 84 by the semicircular arc plate 72 is released, and the pressing effect of the plurality of fixing mechanisms 84 on the cable body 10 is released at the same time, and finally the cable body 10 is taken down.

Further, in order to achieve the above-mentioned purpose that the position of the semicircular plate 72 can be adjusted by the driving mechanism 71, referring to fig. 4, in this embodiment, the driving mechanism 71 includes a driving frame 711 slidably disposed on the bottom wall of the cavity of the groove 51, the front portion of the left end and the front portion of the right end of the driving frame 711 are provided with limiting grooves 712 communicated with the cavity of the driving frame 711, the inner surfaces of the two limiting grooves 712 are slidably provided with limiting rods 713 fixed on the inner surface of the same side groove 51, and the rear end of the driving frame 711 is in threaded connection with a first threaded rod 714 extending through the middle of the rear end of the driving frame 711 to the cavity of the driving frame 711.

Therefore, in the use process, when the cable body 10 needs to be fixed by the fixing mechanism 84, the first threaded rod 714 is manually rotated, under the rotation connection effect between the first threaded rod 714 and the concave horizontal plate 5, the driving frame 711 is driven to move forward, and meanwhile, the driving frame 711 moves under the fixing guiding effect of the concave horizontal plate 5 and the limiting rod 713, under the cooperation between the limiting groove 712 and the limiting rod 713, the movement range of the driving frame 711 is limited, and the stability of the pressing of the fixing mechanism 84 on the cable body 10 in the operation process is prevented, so that the cable body 10 is prevented from sliding.

Examples

The first embodiment optimizes the pulling unit 8 for pulling the cable body 10 on the basis of the first embodiment, so that the pulling unit 8 can clamp and pull the cable body 10 and release the pulled cable body 10, thereby preventing the cable body 10 from winding on the outer surface of the pulling wheel 81 and improving the working efficiency.

Specifically, in order to drive the dragging wheel 81 to rotate, referring to fig. 6, in this embodiment, the driving unit 6 includes a first housing 61, a driving shaft 63 extending to the outside through the first housing 61 is disposed at the front of the first housing 61, a worm wheel 62 and a worm 65 meshed with each other are disposed on the outer surface of the driving shaft 63 and the rear of the bottom wall of the first housing 61, a half-cone gear disc 64 is disposed on the outer surface of the driving shaft 63 on the side far from the first housing 61, and a connecting rod is disposed on the side close to the half-cone gear disc 64 and the first housing 61.

As can be seen from the above description, in the use process, after the cable body 10 is mounted on the outer surface of the dragging wheel 81 and the semicircular arc plate 72 is adjusted to a proper position by the first threaded rod 714, the worm 65 is manually rotated, the driving shaft 63 is driven to synchronously rotate along with the worm wheel 62 by the meshing relationship between the worm 65 and the worm wheel 62, and the dragging wheel 81 is driven to synchronously rotate along with the driving shaft 63, and the cable body 10 is tensioned under the assistance of the semicircular arc plate 72;

meanwhile, the effect of fixing the position of the dragging wheel 81 at any time can be achieved by the characteristic of connection between the worm 65 and the worm wheel 62.

Specifically, in order to ensure that the pulling unit 8 can press the cable body 10 and can drag the cable body 10 to move during operation, referring to fig. 6, 7, 8, 9 and 10, in this embodiment, the pulling unit 8 includes a pulling wheel 81, the pulling wheel 81 is disposed at one end of the driving shaft 63 away from the first shell 61, a plurality of first slots 82 attached to the outer surface of the cable body 10 are formed on the outer surface of the pulling wheel 81, a plurality of fixing mechanisms 84 and limiting plates 85 are disposed in an annular array at an outer side of one end of the pulling wheel 81 close to the first shell 61, and the plurality of fixing mechanisms 84 and the limiting plates 85 are distributed at intervals.

As can be seen from the above description, after the cable body 10 is placed in the cavity of the first slot 82 in the use process, the cable body 10 is driven to move by the interaction between the fixing mechanism 84 and the dragging wheel 81 and the first slot 82 and the driving action of the driving shaft 63, so as to straighten the cable body 10.

Specifically, in order to achieve the above-mentioned pressing of the outer surface of the cable body 10 away from the first slot 82 by the fixing mechanism 84, referring to fig. 6, 7, 8, 9 and 10, in this embodiment, the fixing mechanism 84 includes a mounting plate 841, the mounting plate 841 is fixedly disposed at an outer side of one end of the drag wheel 81 near the first shell 61 on the same side, a guiding rod 842 penetrating the mounting plate 841 is disposed at a middle portion of one end of the mounting plate 841 near a center of the drag wheel 81, a pressing plate 843 and a roller 847 are disposed at one end of the guiding rod 842 near the outer surface of the drag wheel 81, a first spring 844 is disposed between one side of the outer surface of the guiding rod 842 near the pressing plate 843 and the mounting plate 841, a torsion spring 845 is disposed between one end of the outer surface of the guiding rod 842 near the pressing plate 843 and the mounting plate 841, and a limiting mechanism 846 cooperating with the worm 65 for adjusting an angle of the pressing plate 843 is disposed at one end of the guiding rod 842 near the middle of the drag wheel 81;

further, a driving rod 8463 extending to the inner cavity through the second housing 8461 is slidably provided at a middle portion of one end of the second housing 8461 near the middle portion of the dragging wheel 81, and a first bevel gear 8460 is provided at one end of the driving rod 8463 near the middle portion of the dragging wheel 81.

It can be seen that, in a natural state, that is, when the pressing plate 843 does not press the cable body 10, the guiding rod 842 is driven to rotate by the torsion force generated by the torsion spring 845, so that the pressing plate 843 is parallel to the dragging wheel 81, and then the driving shaft 63 drives the dragging wheel 81 to rotate, the first bevel gear 8460 is connected with the outer surface of the first half bevel gear plate 64, and the first half bevel gear plate 64 is fixed on the outer surface of the first casing 61, so that the first half bevel gear plate 64 drives the first bevel gear 8460 to rotate during the rotation of the dragging wheel 81, and then the pressing plate 843 is driven to synchronously rotate under the action of the guiding rod 842, so that the pressing plate 843 is perpendicular to the outer surface of the dragging wheel 81, and at this time, the dragging wheel 81 continuously rotates, and the driving roller 847 is driven to synchronously move downwards under the action of the inclined surface 73 formed on the inner surface of the semicircular arc plate 72, and then the pressing plate 843 is pressed on the outer surface of the cable body 10 through the second wire groove 8431 formed on the pressing plate 843, so that the cable body 10 is firmly fixed on the outer surface of the dragging wheel 81, and synchronously moves along with the rotation of the dragging wheel 81;

when the first bevel gear 8460 is not connected to the half bevel gear plate 64, the pressing plate 843 is driven to rotate by the torsion spring 845, so that the pressing plate 843 is restored to a state parallel to the outer surface of the drag wheel 81.

Specifically, in order to improve the stability of fastening and pressing the cable body 10 by the pressing plate 843 and the inner surface of the first wire groove 82 together, and prevent the cable body 10 from sliding during operation, in this embodiment, one end of the pressing plate 843, which is close to the outer surface of the dragging wheel 81, is provided with a plurality of second wire grooves 8431 which are matched with and applicable to the first wire grooves 82 on the same side, and the inner surfaces of the second wire grooves 8431 and the inner surfaces of the first wire grooves 82 are both fixed with high-resistance rubber sheets.

Through the high resistance rubber piece that sets up at wire casing two 8431 internal surface and wire casing one 82 internal surface, can improve the frictional force between cable body 10 surface and wire casing two 8431 internal surface and the wire casing one 82 internal surface, strengthen the stability of dragging cable body 10 in-process, prevent that cable body 10 from sliding at the removal in-process, can also protect the integrality of cable body 10 surface insulating layer through the high resistance rubber piece that sets up simultaneously, avoid appearing mechanical damage.

Specifically, in order to ensure stability of the pressing plate 843 during use and prevent the problem of subsequent clamping instability caused by excessive rotation of the pressing plate 843 during rotation of the pressing plate 843, referring to fig. 9, 10 and 11, in this embodiment, the limiting mechanism 846 includes a second housing 8461, the second housing 8461 is fixed to one end of the guide rod 842 near the middle of the dragging wheel 81, and a plurality of hemispherical grooves 8462 are formed on the outer side of the inner cavity of the second housing 8461.

Further, one end of the driving rod 8463 far away from the middle part of the dragging wheel 81 is provided with a first guide plate 8464 sliding on the inner side of the inner surface of the second casing 8461, one end of the first guide plate 8464 far away from the middle part of the dragging wheel 81 is annularly provided with a plurality of second springs 8467 and a second guide plate 8468 which are distributed at intervals, one end of the plurality of second springs 8467 far away from the first guide plate 8464 is jointly provided with a cylindrical block 8465, one end of the cylindrical block 8465 close to the first guide plate 8464 is annularly provided with a plurality of guide grooves 8469 matched with the second guide plate 8468 on the same side, and one end of the cylindrical block 8465 close to the second casing 8461 is provided with a plurality of round balls 8466 matched with the hemispherical grooves 8462.

As can be seen from the above, in a natural state, the pressing plate 843 is parallel to the outer surface of the dragging wheel 81, at this time, the first bevel gear 8460 is separated from the semi-conical gear disc 64, when the dragging wheel 81 rotates, the first bevel gear 8460 is connected with the semi-conical gear disc 64, the driving rod 8463 is driven to rotate under the action of the connection relationship, at this time, the second housing 8461 is driven to rotate under the action of the connection relationship between the balls 8466 and the hemispherical grooves 8462, and then the pressing plate 843 is driven to rotate synchronously, when the pressing plate 843 is perpendicular to the outer surface of the dragging wheel 81, the pressing plate 843 does not rotate continuously under the limit blocking of the limiting plate 85, at this time, the driving rod 8463 rotates continuously under the action of the connection relationship between the first bevel gear 8460 and the semi-conical gear disc 64, at this time, the balls 8466 are separated from the inner cavities of the hemispherical grooves 8462 on the same side under the action of torsion, enter the inner cavities of the hemispherical grooves 8462 on the adjacent side, and then enter the inner cavities of the hemispherical grooves 8462 again under the action of torsion, and circulate in sequence, and the pressing plate 843 is continuously provided with torsion in the pressing process;

in the process that the plurality of balls 8466 are separated from the hemispherical grooves 8462 and are connected with the adjacent hemispherical grooves 8462, the cylindrical block 8465 is driven to move up and down under the elastic force of the second spring 8467 and the guiding action of the second guide plate 8468, and the tightness of connection between the plurality of balls 8466 and the plurality of hemispherical grooves 8462 can be increased through the second spring 8467.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cable straining device for electric power construction, includes two circular arc splint (1), cable body (10), a plurality of rubber strip (3) and a plurality of connection tool to lock (4), its characterized in that: one side of the outer surfaces of the two arc clamping plates (1) is rotationally connected, a plurality of connecting locks (4) are respectively arranged on the other side of the outer surfaces of the two arc clamping plates (1) and used for connecting the two arc clamping plates (1) together, and a plurality of rubber strips (3) are respectively arranged on the inner surfaces of the two arc clamping plates (1);

the upper part of the outer surface of one arc clamping plate (1) is provided with a concave horizontal plate (5), the upper end of the concave horizontal plate (5) is symmetrically provided with a driving unit (6) and an adjusting unit (7) left and right, the two driving units (6) are respectively arranged at the front parts of the adjusting units (7) on the same side, one sides of the two driving units (6) close to each other are respectively provided with a pulling unit (8) for pulling a cable body (10), and the left middle part of the upper end of the concave horizontal plate (5) and the right middle part of the upper end of the concave horizontal plate are respectively provided with a hanging ring (9);

grooves (51) for guiding the adjusting unit (7) in the moving process are symmetrically formed in the left part of the upper end and the right part of the upper end of the concave horizontal plate (5);

a driving mechanism (71) is arranged on one side, close to the arc clamping plate (1), of the adjusting unit (7), a semicircular arc plate (72) is arranged on one side, far away from the arc clamping plate (1), of the adjusting unit (7), and inclined planes (73) for adjusting the running state of the pulling unit (8) are formed in the upper part and the lower part of the inner surface of one side, far away from the adjusting unit (7), of the semicircular arc plate (72);

the driving mechanism (71) comprises a driving frame (711) which is slidably arranged on the bottom wall of the inner cavity of the groove (51), limit grooves (712) which are communicated with the inner cavity of the driving frame (711) are formed in the front part of the left end and the front part of the right end of the driving frame (711), limit rods (713) which are fixedly arranged on the inner surfaces of the grooves (51) on the same side are slidably arranged on the inner surfaces of the limit grooves (712), and a first threaded rod (714) which penetrates through the middle part of the rear end of the driving frame (711) and extends to the inner cavity of the driving frame (711) is connected with the rear end of the driving frame (711) in a threaded mode;

the driving unit (6) comprises a first shell (61), a driving shaft (63) penetrating through the inner cavity of the first shell (61) and extending to the outside is arranged at the front part of the inner cavity of the first shell (61), a worm wheel (62) and a worm (65) which are meshed with each other are respectively arranged at the outer surface of the driving shaft (63) and the rear part of the bottom wall of the inner cavity of the first shell (61), a semi-conical gear disc (64) is arranged at one side, far away from the first shell (61), of the outer surface of the driving shaft (63), and a connecting rod is arranged at one side, close to each other, of the semi-conical gear disc (64) and the first shell (61);

the drawing unit (8) comprises a drawing wheel (81), the drawing wheel (81) is arranged at one end of the driving shaft (63) far away from the first shell (61), a plurality of first wire grooves (82) attached to the outer surface of the cable body (10) are formed in the outer surface of the drawing wheel (81), a plurality of fixing mechanisms (84) and limiting plates (85) are arranged on the outer annular array of one end, close to the first shell (61), of the drawing wheel (81), and the fixing mechanisms (84) and the limiting plates (85) are distributed at intervals;

the fixed establishment (84) includes mounting panel (841), the one end outside that is close to homonymy shell one (61) of locating drag wheel (81) is fixed to mounting panel (841), mounting panel (841) is close to the one end middle part that drags wheel (81) centre of a circle and is equipped with guide bar (842) that runs through mounting panel (841), one end that guide bar (842) is close to drag wheel (81) surface is equipped with clamp plate (843) and gyro wheel (847), guide bar (842) surface is close to and is equipped with spring one (844) jointly between one side that clamp plate (843) was close to and mounting panel (841), be equipped with torsional spring (845) jointly between one end that clamp plate (843) were kept away from to guide bar (842) surface, guide bar (842) are close to the one end that drags wheel (81) middle part be equipped with half cone toothed disc (64) mutually supporting and are used for adjusting limiting mechanism (846) of clamp plate (843) angle.

2. A cable tensioning device for electrical construction according to claim 1, wherein: one end of the pressing plate (843) close to the outer surface of the dragging wheel (81) is provided with a plurality of wire grooves II (8431) which are matched with and suitable for the wire grooves I (82) on the same side, and high-resistance rubber sheets are fixed on the inner surfaces of the wire grooves II (8431) and the inner surfaces of the wire grooves I (82).

3. A cable tensioning device for electrical construction according to claim 2, wherein: the limiting mechanism (846) comprises a second shell (8461), the second shell (8461) is fixed at one end, close to the middle of the dragging wheel (81), of the guide rod (842), a plurality of hemispherical grooves (8462) are formed in the outer side of an inner cavity of the second shell (8461), and a driving rod (8463) penetrating through the second shell (8461) and extending to the inner cavity is arranged in the middle of one end, close to the middle of the dragging wheel (81), of the second shell (8461) in a sliding mode.

4. A cable tensioning device for electrical construction according to claim 3, wherein: the one end that dragging wheel (81) middle part was kept away from to actuating lever (8463) is equipped with and slides in the inboard deflector first (8464) of shell second (8461) internal surface, the one end annular array that dragging wheel (81) middle part was kept away from to deflector first (8464) is equipped with a plurality of interval distribution's spring second (8467) and deflector second (8468), a plurality of the one end that deflector first (8464) was kept away from to spring second (8467) is equipped with cylindrical piece (8465) jointly, the one end outside annular array that cylindrical piece (8465) is close to deflector first (8464) is equipped with a plurality of guide slots (8469) suitable with homonymy deflector second (8468), the one end that cylindrical piece (8465) is close to shell second (8461) is equipped with a plurality of balls (8466) suitable with hemispherical groove (8462) assorted, the one end that dragging wheel (81) middle part was close to actuating lever (8463) is equipped with conical gear first (8460).