CN111390066B

CN111390066B - Cable cutting device that electric wire netting used

Info

Publication number: CN111390066B
Application number: CN202010291876.1A
Authority: CN
Inventors: 姚灵燕
Original assignee: Liaocheng Zhengsheng Cable Co ltd
Current assignee: Liaocheng Zhengsheng Cable Co.,Ltd.
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-06
Anticipated expiration: 2040-04-14
Also published as: CN111390066A

Abstract

The invention discloses a cable cutting device for a power grid, which comprises a machine body, wherein a material groove with a leftward opening is formed in the left end of the machine body, clamping grooves with upward openings are symmetrically formed in the upper ends of the front end wall and the rear end wall of the material groove, supporting rods are movably arranged in the clamping grooves, a material tray is arranged on each supporting rod, lifting cavities with upward openings are symmetrically formed in the front end and the rear end of the bottom wall of the material groove, a limiting device capable of limiting or driving the material tray to rotate is arranged in each lifting cavity, each limiting device comprises a limiting motor fixedly arranged on the bottom wall of each lifting cavity, a worm motor shaft is connected to the limiting motor in a power mode, a first worm wheel is meshed with the worm motor shaft and is fixedly arranged on a transmission shaft.

Description

Cable cutting device that electric wire netting used

Technical Field

The invention relates to the technical field of power grids, in particular to a cable cutting device used for a power grid.

Background

As a power management department controlled by a country, a power grid needs to control and manage various power facilities in the country, including various events such as maintenance and installation. The use of power towers and large cables is very necessary to control the wide range of power transportation, but large cables are affected by various disasters during use and need to be repaired or replaced. However, work is carried out in the external world, and the cable is whole charging tray's usually to carry, and large-scale cable transportation is unchangeable, also is difficult to cut the change in the external world equally, and the staff carries out direct cutting through the plug-in strip usually, and on the one hand, the cutting needs the great physical power of workman's consumption, influences follow-up work, and on the other hand, the plug-in strip cutting causes the cross-section incomplete easily, causes inconvenience to follow-up change work.

Disclosure of Invention

Aiming at the technical defects, the invention provides a cable cutting device for a power grid, which can overcome the defects.

The invention relates to a cable cutting device used for a power grid, which comprises a machine body, wherein a material groove with a leftward opening is arranged at the left end of the machine body, clamping grooves with upward openings are symmetrically arranged at the upper ends of the front end wall and the rear end wall of the material groove, a supporting rod is movably arranged in the clamping grooves, a material tray is arranged on the supporting rod, lifting cavities with upward openings are symmetrically arranged at the front end and the rear end in the bottom wall of the material groove, a limiting device capable of limiting or driving the material tray to rotate is arranged in the lifting cavities, the limiting device comprises a limiting motor fixedly arranged on the bottom wall of the lifting cavities, a worm motor shaft is connected to the limiting motor in a power mode, a first worm wheel is meshed with the worm motor shaft and is fixedly arranged on a transmission shaft, the transmission shaft is rotatably arranged on the front end wall and the rear end wall of the lifting cavities, the utility model discloses a portable electric tool, including working chamber, spout, chute, movable plate, chute inner wall, movable plate left end wall, movable plate right end wall, driving chamber upper end wall is equipped with the decurrent spout of opening, be equipped with the belt chamber in the spout left end wall, the spout with wall body between the belt chamber rotates installs the screw rod of controlling the extension, the screw rod in spout female connection has the fly leaf, fly leaf sliding fit the spout inner wall, movable plate left end wall rotate be connected with screw rod splined connection's spline sleeve, fixed mounting has the cam on the spline sleeve, the working chamber lower extreme is equipped with the transmission chamber, fixed mounting has the work motor on the transmission chamber right end wall, power is connected with the motor shaft on the work motor, the belt chamber is walked around the working chamber is connected the transmission.

Preferably, the limiting device further comprises a lifting plate which is in sliding fit with the inner wall of the lifting cavity, the front end and the rear end of the lifting plate are symmetrically and fixedly connected with an extending frame which extends upwards, a rotating groove is formed in the inner side of the extending frame, a rotating shaft is rotatably mounted on the end wall of the rotating groove, a movable belt wheel and a roller which can be in contact with the material plate are fixedly mounted on the rotating shaft, fixed belt wheels are symmetrically and fixedly mounted at the front end and the rear end of the transmission shaft, through holes are formed in the front end and the rear end of the lifting plate, and the fixed belt wheels are connected with the movable belt wheel through elastic belts which penetrate through the.

Preferably, the limiting device further comprises a return spring fixedly mounted on the upper end wall of the lifting cavity and connected with the lifting plate, the upper end of the lifting plate is fixedly provided with a connecting rod which extends upwards to penetrate through the lifting cavity and extend into the material groove, the connecting rod is fixedly connected with a movable rod in the material groove, the front end and the rear end of the movable rod are symmetrically and rotatably connected with extrusion rods, the outer end of the extrusion rod is rotatably connected with an extrusion plate which can be contacted with the material tray, a limit groove is arranged in the extrusion rod, the limiting groove is matched with a limiting rod in a sliding way, the limiting rod is fixedly arranged on the right end wall of the material groove, the lifting cavity is characterized in that a sliding rod penetrates through the front end wall of the lifting cavity in a sliding fit mode on the bottom wall of the lifting cavity, the sliding rod is rotatably connected with an ejector rod connected with the lifting plate in a rotating mode, and the left end of the sliding rod is fixedly connected with a push plate on the outer side of the machine body.

Preferably, cutting device include with the cutting chamber that the working chamber is connected, cutting chamber bilateral symmetry be equipped with cutting intracavity wall sliding fit's movable rack, the cutting chamber outside is connected with the cambered surface chute, movable rack upper end is equipped with logical groove, it has the stretching into to lead to inslot sliding fit the mount of cambered surface chute, the inboard fixedly connected with cutter of mount, be equipped with the activity groove in the mount, activity inslot sliding fit have with lead to inslot wall fixed connection's dead lever.

Preferably, the transmission device comprises a transmission groove which is arranged at the lower end of the cutting cavity and is connected with the cutting cavity, auxiliary transmission shafts are symmetrically and rotatably arranged on the bottom wall of the transmission groove in a left-right mode, driving bevel gears are fixedly arranged on the auxiliary transmission shafts, the left side and the right side of the auxiliary transmission shafts are connected through belt transmission, connecting shafts are symmetrically and rotatably arranged on the left end wall and the right end wall of the transmission groove, transmission bevel gears and transmission gears are fixedly arranged on the connecting shafts, the transmission gears are meshed with the movable racks and are connected, the driving bevel gears are meshed with the transmission bevel gears, worms extending in the left-right mode are rotatably arranged on wall bodies between the transmission groove and the transmission cavity, second worm gears are meshed with the transmission groove and are fixedly arranged on the right side of the auxiliary transmission shaft, and driven wheels are fixedly connected with the worms in the transmission cavity, and a driving wheel is fixedly arranged on the motor shaft, and the driving wheel is meshed with the driven wheel.

The beneficial effects are that: this device simple structure, high durability and convenient operation, the activity of driving the lifter plate is controlled through the stripper plate, the contact that drives gyro wheel and charging tray through the removal of lifter plate drives the movable rod simultaneously and removes, make the charging tray fixed with loosen, guarantee the stability of charging tray in transportation and cutting process, prevent the removal of cable, the work through work motor control cutting tool drives the contact of cam and cable simultaneously, the cutter carries out the girdling to the cable and remains certain connection simultaneously, can guarantee that the complete cable that does not cut in the aspect of simultaneously drives of tangent plane takes out the going on of guaranteeing follow-up work, carry out partial extrusion work through the cable after the cam to cutting, make things convenient for follow-up staff to skin and further processing.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cable cutting device used in a power grid according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of the cross-sectional mechanism at B-B in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a cable cutting device used for a power grid, which comprises a machine body 2, wherein the left end of the machine body 2 is provided with a material groove 27 with a leftward opening, the upper ends of the front and rear end walls of the material groove 27 are symmetrically provided with clamping grooves 21 with upward openings, a supporting rod 26 is movably arranged in the clamping grooves 21, the supporting rod 21 is provided with a material tray 22, the front and rear ends in the bottom wall of the material groove 27 are symmetrically provided with lifting cavities 31 with upward openings, a limiting device capable of limiting or driving the material tray to rotate is arranged in the lifting cavity 31, the limiting device comprises a limiting motor 38 fixedly arranged on the bottom wall of the lifting cavity 31, a worm motor shaft 37 is connected to the limiting motor 38 in a power mode, the worm motor shaft 37 is meshed with a first worm wheel 36, the first worm wheel 36 is fixedly arranged on a transmission shaft 30, the transmission shaft 30 is, the wall of the right end of the material groove 27 is connected with a working cavity 1 penetrating through the machine body 2, the working cavity 1 is connected with a cutting device for cutting, the upper end wall of the working cavity 1 is provided with a sliding groove 7 with a downward opening, a belt cavity 3 is arranged in the left end wall of the sliding groove 7, a wall body between the sliding groove 7 and the belt cavity 3 is rotatably provided with a screw 8 extending leftwards and rightwards, the screw 8 is internally threaded with a movable plate 6 in the sliding groove 7, the movable plate 6 is in sliding fit with the inner wall of the sliding groove 7, the left end wall of the movable plate 6 is rotatably connected with a spline sleeve 5 in splined connection with the screw 7, a cam 4 is fixedly arranged on the spline sleeve 5, the lower end of the working cavity 1 is provided with a transmission cavity 9, the right end wall of the transmission cavity 9 is fixedly provided with a working motor 10, the working motor 10 is in power connection with a motor shaft 11, and, the motor shaft 11 is connected with the screw 8 through belt transmission, and the working motor 10 is connected with a transmission device.

Beneficially, the limiting device still includes sliding fit the lifter plate 32 of lift chamber 31 inner wall, the extension frame 58 that the symmetrical fixedly connected with of lifter plate 32 front and back end upwards extended, extension frame 58 inboard is equipped with the turn trough 45, rotate on the end wall of turn trough 45 and install pivot 43, fixed mounting has movable pulley 42 and can with the gyro wheel 44 of charging tray 22 contact on the pivot 43, transmission shaft 30 front and back end symmetry fixed mounting has fixed pulley 40, lifter plate 32 front and back end in extension frame 58 inboard is equipped with through-hole 39, fixed pulley 40 with movable pulley 42 is through passing the elastic belt 41 of through-hole 39 is connected, limiting device can drive the charging tray and rotate the removal that carries out the cable conductor.

Beneficially, the limiting device further comprises a return spring 33 fixedly mounted on the upper end wall of the lifting cavity 31 and connected with the lifting plate 32, a connecting rod 35 is fixedly mounted on the upper end of the lifting plate 31, the connecting rod 35 extends upwards to penetrate through the lifting cavity 31 and extend into the material groove 27, a movable rod 23 is fixedly connected in the material groove 27 through the connecting rod 35, extrusion rods 29 are symmetrically and rotatably connected to the front end and the rear end of the movable rod 23, an extrusion plate 28 capable of contacting with the material tray 22 is rotatably connected to the outer end of the extrusion rod 29, a limiting groove 25 is arranged in the extrusion rod 29, a limiting rod 24 is slidably fitted in the limiting groove 25, the limiting rod 24 is fixedly mounted on the right end wall of the material groove 27, a sliding rod 13 penetrating through the front end wall of the lifting cavity 31 is slidably fitted on the bottom wall of the lifting cavity 31, and a top rod 34 rotatably connected with the lifting plate 32 is rotatably connected to, the left end of the sliding rod 13 is fixedly connected with a push plate 12 on the outer side of the machine body 2, and the device can control the material tray to rotate and be fixed.

Beneficially, cutting device include with the cutting chamber 53 that working chamber 1 is connected, cutting chamber 53 bilateral symmetry be equipped with cutting chamber 53 inner wall sliding fit's movable rack 49, the cutting chamber 53 outside is connected with cambered surface chute 36, movable rack 49 upper end is equipped with logical groove 47, it has the stretching into to lead to sliding fit in groove 47 cambered surface chute 36's mount 51, the inboard fixedly connected with cutter 52 of mount 51, be equipped with movable groove 46 in the mount 51, movable groove 44 sliding fit have with lead to 47 inner wall fixed connection's dead lever 50, cutting device can carry out the activity and carry out the circular cutting to the cable.

Advantageously, the transmission device comprises a transmission groove 14 at the lower end of the cutting cavity 53 and connected with the cutting cavity 53, a secondary transmission shaft 15 is symmetrically and rotatably mounted on the bottom wall of the transmission groove 14 in a left-right manner, a drive bevel gear 55 is fixedly mounted on the secondary transmission shaft 15, the secondary transmission shaft 15 on the left side and the right side is in belt transmission connection, a connecting shaft 54 is symmetrically and rotatably mounted on the left end wall and the right end wall of the transmission groove 14, a drive bevel gear 57 and a transmission gear 56 are fixedly mounted on the connecting shaft 54, the transmission gear 56 is in meshing connection with the movable rack 49, the drive bevel gear 55 is in meshing connection with the drive bevel gear 57, a worm 18 extending in the left-right direction is rotatably mounted on a wall body between the transmission groove 14 and the transmission cavity 9, the worm 18 is internally engaged with a second worm wheel 17 in the transmission groove 14, and the second worm wheel 17 is fixedly mounted on, the worm 18 is fixedly connected with a driven wheel 19 in the transmission cavity 9, a driving wheel 20 is fixedly installed on the motor shaft 20, and the driving wheel 20 is meshed with the driven wheel 19.

In the initial state, the control motor 38 and the working motor 10 are turned off, the cam 4 is located at the left end of the chute 7, the roller 44 is separated from the tray 22, the return spring 33 is in the normal state, the extrusion rod 29 drives the extrusion plate 28 to limit the rotation of the tray 22, and the cutter 52 is located at the lower end of the cutting cavity 53.

When the working is started, the push plate 12 is manually pushed, the slide rod 13 drives the lifting plate 32 to move upwards through the ejector rod 34, the return spring 33 is compressed, the roller 44 is in contact with the material tray 22, the lifting plate 32 drives the movable rod 23 to move upwards through the connecting rod 35, the movable rod 23 drives the extrusion rod 29 to move upwards, the extrusion plate 28 is separated from the material tray 22, the control motor 38 is started, the worm motor shaft 37 drives the transmission shaft 30 to rotate through the first worm wheel 36, the transmission shaft 30 drives the movable belt wheel 42 to rotate through the driving belt wheel 40 and the elastic belt 41 to enable the roller 44 to rotate, the roller 44 drives the material tray 22 to rotate to release the cable, the control motor 38 is stopped, the return spring 33 drives the lifting plate 32 to return to the initial state, the working motor 10 is started, the motor shaft 11 drives the screw 8 to rotate through belt transmission, the screw 8 drives the movable plate 6 to move right, the movable plate 6 drives the cam 4 to move rightwards through the spline sleeve 5, meanwhile, the motor shaft 11 drives the worm 18 to rotate through the driving wheel 20 and the driven wheel 19, the worm 18 drives the right-side auxiliary transmission shaft 15 to rotate through the second worm wheel 17, the left-side auxiliary transmission shaft 15 and the right-side auxiliary transmission shaft 15 are in transmission through belt transmission, the auxiliary transmission shaft 15 drives the connecting shaft 54 to rotate through the driving bevel gear 55 and the transmission bevel gear 57, the connecting shaft 54 drives the transmission gear 56 to rotate, the transmission gear 56 drives the movable rack 49 to move through meshing, the movable rack 49 drives the fixed frame 51 to move through the fixed rod 50, and meanwhile, the cambered surface chute 48 pushes the fixed frame 51 to push the cutter.

After the work is finished, the work motor 10 reverses the device to recover, pushes the push plate 12, and loosens after the cable is drawn out, so that the device recovers the initial state.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a cable cutting device that electric wire netting used, includes the organism, the organism left end is equipped with opening material groove left, its characterized in that: the upper ends of the front and rear end walls of the material groove are symmetrically provided with clamping grooves with upward openings, a support rod is movably placed in the clamping grooves, a material tray is installed on the support rod, the front and rear ends in the bottom wall of the material groove are symmetrically provided with upward opening lifting cavities, limiting devices capable of limiting or driving the material tray to rotate are arranged in the lifting cavities, each limiting device comprises a limiting motor fixedly installed on the bottom wall of the lifting cavity, a worm motor shaft is connected to the limiting motor in a power mode, the worm motor shaft is meshed with a first worm wheel fixedly installed on a transmission shaft, the transmission shaft is rotatably installed on the front and rear end walls of the lifting cavity, the right end wall of the material groove is connected with a working cavity penetrating through the machine body, the working cavity is connected with a cutting device for cutting, the upper end wall of the working cavity is provided with a sliding, a screw rod extending leftwards and rightwards is rotatably installed on a wall body between the chute and the belt cavity, a movable plate is connected to the screw rod in the chute in a threaded mode, the movable plate is in sliding fit with the inner wall of the chute, a spline sleeve connected with the screw rod in a spline mode is rotatably connected to the left end wall of the movable plate, a cam is fixedly installed on the spline sleeve, a transmission cavity is formed in the lower end of the working cavity, a working motor is fixedly installed on the right end wall of the transmission cavity, a motor shaft is connected to the working motor in a power connection mode, the belt cavity bypasses the working cavity and is connected with the transmission cavity, the motor shaft is connected with the screw rod in a belt transmission mode; the limiting device further comprises a lifting plate which is in sliding fit with the inner wall of the lifting cavity, the front end and the rear end of the lifting plate are symmetrically and fixedly connected with an extending frame which extends upwards, a rotating groove is formed in the inner side of the extending frame, a rotating shaft is rotatably mounted on the end wall of the rotating groove, a movable belt wheel and a roller which can be in contact with the material tray are fixedly mounted on the rotating shaft, fixed belt wheels are symmetrically and fixedly mounted at the front end and the rear end of the transmission shaft, through holes are formed in the front end and the rear end of the lifting plate on the inner side of the extending frame, and the fixed belt wheels and the movable belt wheel; the limiting device also comprises a return spring which is fixedly arranged on the upper end wall of the lifting cavity and is connected with the lifting plate, the upper end of the lifting plate is fixedly provided with a connecting rod which extends upwards to penetrate through the lifting cavity and extend into the material groove, the connecting rod is fixedly connected with a movable rod in the material groove, the front end and the rear end of the movable rod are symmetrically and rotatably connected with extrusion rods, the outer end of the extrusion rod is rotatably connected with an extrusion plate which can be contacted with the material tray, a limit groove is arranged in the extrusion rod, the limiting groove is matched with a limiting rod in a sliding way, the limiting rod is fixedly arranged on the right end wall of the material groove, a sliding rod penetrating through the front end wall of the lifting cavity is in sliding fit with the bottom wall of the lifting cavity, the sliding rod is rotatably connected with an ejector rod rotatably connected with the lifting plate, and the left end of the sliding rod is fixedly connected with a push plate on the outer side of the machine body; the cutting device comprises a cutting cavity connected with the working cavity, movable racks which are in sliding fit with the inner wall of the cutting cavity are symmetrically arranged on the left and right sides of the cutting cavity, a cambered chute is connected to the outer side of the cutting cavity, a through groove is formed in the upper end of each movable rack, a fixing frame extending into the cambered chute is in sliding fit in the through groove, a cutter is fixedly connected to the inner side of the fixing frame, a movable groove is formed in the fixing frame, and a fixed rod fixedly connected with the inner wall of the through groove is in sliding fit in the movable groove; the transmission device comprises a transmission groove which is arranged at the lower end of the cutting cavity and is connected with the cutting cavity, auxiliary transmission shafts are symmetrically and rotatably arranged on the bottom wall of the transmission groove in a left-right mode, driving bevel gears are fixedly arranged on the auxiliary transmission shafts, the left side and the right side of the auxiliary transmission shafts are connected through belt transmission, connecting shafts are symmetrically and rotatably arranged on the left end wall and the right end wall of the transmission groove, the driving bevel gears and transmission gears are fixedly arranged on the connecting shafts, the transmission gears are connected with the movable racks in a meshed mode, the driving bevel gears are connected with the transmission bevel gears in a meshed mode, worms extending leftwards and rightwards are rotatably arranged on the wall body between the transmission groove and the transmission cavity, second worm gears are meshed with the transmission groove in a meshed mode, the second worm gears are fixedly arranged on the right side of the auxiliary transmission shaft, and a driving wheel is fixedly arranged on the motor shaft, and the driving wheel is meshed with the driven wheel.