CN112694009A

CN112694009A - Cable hoisting device

Info

Publication number: CN112694009A
Application number: CN202011361372.9A
Authority: CN
Inventors: 景李冰
Original assignee: Shaanxi Anyi Information Technology Co ltd
Current assignee: Shaanxi Anyi Information Technology Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-04-23

Abstract

The invention belongs to the technical field of cable hoisting, and particularly relates to a cable hoisting device which comprises an insertion rod and a cable reel; one end of the inserted link is fixedly connected with a hoisting seat with a fixing hole; a first hole is formed in the inserted rod, and a rotating shaft is rotatably connected in the first hole; one end of the rotating shaft is fixedly connected with a first gear; a motor is fixedly connected with the position, corresponding to the first gear, in the first hole, and a second gear and the first gear which are fixedly connected with an output shaft of the motor are meshed with each other; the width of the first gear is larger than that of the second gear; a group of tensioning units are uniformly distributed on the inserted rod, and each tensioning unit comprises a support rod, a support block and a push-out block; a group of jacks are uniformly distributed on the circumference of the inserted rod, and the stay rod penetrates through the jacks and is in sliding connection with the jacks; one end of the stay bar positioned in the first hole is fixedly connected with the push-out block, and the other end of the stay bar is fixedly connected with the stay block; one side of the push-out block, which is close to the axle center of the first hole, is provided with an arc-shaped groove, adjacent arc-shaped grooves form a conical hole, and the rotating shaft penetrates through the conical hole; the rotating shaft is fixedly connected with a conical head at a position corresponding to the conical hole, and the conical head is in threaded connection with the conical hole.

Description

Cable hoisting device

Technical Field

The invention belongs to the technical field of cable hoisting, and particularly relates to a cable hoisting device.

Background

At present, in a cable production process, finished products and semi-finished products of cables need to be loaded by cable drums, the drums carrying the cables are generally hoisted to other places by a crane, so that a hoisting clamp needs to be placed on a lifting hook of the crane, and the cable drums can be transported after being clamped by the hoisting clamp.

Some technical solutions related to cable hoisting also appear in the prior art, for example, a chinese patent with application number 2018210188627 discloses an injection mold, which comprises a hoisting beam and a hoisting tool, the hoisting tool comprises two sets of hoisting components, the hoisting components comprise a draw arm, a short draw bar, a long draw bar, a sliding sleeve rod and a hoisting barrel, the pull arm is hinged at the bottom of the hanging beam, one end of the short pull rod is hinged with the pull arm, the other end of the short pull rod is hinged with the upper end part of the long pull rod, the middle parts of the two long pull rods are hinged with each other through a bolt, the sliding sleeve rod is an L-shaped rod, the upper beam of the sliding sleeve rod is in sliding fit with the lower end part of the long pull rod, and the upper beam of the sliding sleeve rod is provided with a plurality of locking bolts for fixing the long pull rod, the lifting cylinder is fixed at the bottom of the lower beam of the sliding sleeve rod, one side of the lifting cylinder is provided with an inflating nozzle, the inflating nozzle is covered with an inflating cap, the inner cavity of the lifting cylinder is provided with a rubber air bag, and the inner side of the lower beam of the sliding sleeve rod is provided with a clamping device for clamping the wheel edge of the plate connecting tool. However, in the prior art, the insertion rod is connected with the hook and inserted into the cable drum, and then the cable is hoisted and transported by the crown block, but the insertion rod and the cable drum are not firmly connected, so that the cable drum is easy to slip off in the hoisting process, and the hoisting safety of the cable is affected.

Therefore, the invention provides a cable hoisting device.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that in the prior art, the insertion rod is connected through the hook and inserted into the cable drum, and then the cable is hoisted and transported through the crown block, but the insertion rod and the cable drum are connected insecure, so that the cable drum is easy to slip off in the hoisting process, and the hoisting safety of the cable is influenced, the cable hoisting device provided by the invention is used for solving the problems.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a cable hoisting device, which comprises an insertion rod and a cable reel; the insertion rod is inserted into the cable reel and lifts the cable reel; one end of the inserted link is fixedly connected with a hoisting seat with a fixing hole; a first hole is formed in the inserted rod, and a rotating shaft is rotatably connected in the first hole; one end of the rotating shaft is fixedly connected with a first gear; a motor is fixedly connected with the position, corresponding to the first gear, in the first hole, and a second gear and the first gear which are fixedly connected with an output shaft of the motor are meshed with each other; the width of the first gear is larger than that of the second gear; a group of tensioning units are uniformly distributed on the inserted rod, and each tensioning unit comprises a support rod, a support block and a push-out block; a group of jacks are uniformly distributed on the circumference of the inserted rod, and the stay rod penetrates through the jacks and is in sliding connection with the jacks; one end of the stay bar positioned in the first hole is fixedly connected with the push-out block, and the other end of the stay bar is fixedly connected with the stay block; an arc-shaped groove is formed in one side, close to the axle center of the first hole, of each push-out block, conical holes are formed by adjacent arc-shaped grooves, and the rotating shaft penetrates through the conical holes; a conical head is fixedly connected to the position, corresponding to the conical hole, of the rotating shaft, and the conical head is in threaded connection with the conical hole; when the cable drum lifting device works, the insertion rod is connected through the hook and inserted into the cable drum in the prior art, and then a cable is lifted and transported through the crown block, but the insertion rod and the cable drum are not firmly connected, so that the cable drum is easy to slip off in the lifting process, and the lifting safety of the cable is influenced; at the moment, after the inserted rod is inserted into the cable reel, the motor drives the second gear and the first gear to rotate, so that the rotating shaft drives the conical head to rotate, the conical head is connected with the conical hole through the threads, the push-out block is further expanded when the conical head rotates, the supporting rod drives the supporting block to expand and then extrude the inner wall of the cable reel, the connection firmness between the inserted rod and the cable reel is further improved, the falling of the cable reel is further reduced, and the lifting safety of the cable reel is improved.

Preferably, an oil cylinder is arranged in a groove formed in the periphery of the conical head, a sliding rod is fixedly connected to the bottom of the groove, and the sliding rod penetrates through a sliding hole formed in the bottom of the oil cylinder and is in sliding connection with the sliding hole; the bottom of the oil cylinder is provided with an oil inlet hole and an oil outlet hole, and the oil inlet hole and the oil outlet hole are both provided with one-way valves; the oil inlet hole is communicated with the oil supply unit, and the oil outlet hole is communicated with an oil injection hole formed in the periphery of the conical head; a wedge-shaped sliding block is fixedly connected to a piston rod of the oil cylinder, one side of the sliding block props against the side face of the conical head, and the other side of the sliding block is in sliding connection with the conical head; a tension spring is fixedly connected between the piston rod and the bottom of the oil cylinder; through the rotatory in-process of conical head, for release piece lateral sliding, and then make the conical head insert the bell mouth in-process, release piece extrusion slider for the slider outwards stretches the piston rod after conical head periphery slides, and then makes the piston rod extrude the lubricating oil in the hydro-cylinder through the oil outlet, and then makes lubricating oil extrude through the nozzle opening, increases the lubrication between conical head and the bell mouth, further guarantees hoisting accessory's normal work.

Preferably, the inner part of the push-out block is fixedly connected with a magnetic block, and one side of the magnetic block, which is close to the conical hole, is communicated with the conical hole through a second hole; iron fillings that form through the wearing and tearing of magnetic path cooperation No. two holes absorption conical head reduce iron fillings and to conical head pivoted hindrance, further guarantee that the conical head smoothly rotates, and the magnetic path attracts the conical head simultaneously, further increases the reset rate of propelling movement piece and kicking block, increases hoisting accessory and cable drum's the efficiency that breaks away from.

Preferably, the oil supply unit comprises an oil return groove and a sliding sleeve; an oil return groove with an opening at the upper end is fixedly connected to the position, corresponding to the push-out block, of the bottom of the first hole; the bottom of the oil return groove is communicated with a flexible oil suction pipe, a sliding sleeve is connected to the position, corresponding to the oil suction pipe, of the rotating shaft in a sliding and sealing mode, and the oil suction pipe is communicated with the hollow position inside the sliding sleeve; a third hole is formed in the rotating shaft at a position corresponding to the sliding sleeve, a fourth hole is formed in the rotating shaft at one side, close to the conical head, of the third hole, and the fourth hole is communicated with the oil inlet hole through a pipeline; a fifth hole communicated with the oil injection hole is formed in the rotating shaft along the axis direction, and the fifth hole is communicated with the oil outlet hole through a pipeline; retrieve the lubricating oil that overflows on the ejecting piece through the oil gallery, later go up the slip in-process at the piston rod, loop through oil inlet, No. four holes, No. three holes, sliding sleeve and inhale oil pipe after oil absorption from the oil gallery, later spout from the nozzle opening after oil outlet, pipeline and No. five holes, increase the lubricated effect of circulation of lubricating oil.

Preferably, a support plate is fixedly connected in a first hole at one end of the rotating shaft, which is far away from the motor, and a sliding column fixedly connected on the support plate is inserted into a fifth hole and is in sliding sealing connection with the fifth hole; one end of the sliding column, which is far away from the support plate, is provided with a sixth hole, the periphery of the sliding column, which is close to the oil cylinder, is provided with an annular groove, and the annular groove is communicated with the sixth hole through a seventh hole; through the matching of the sliding column and the annular groove, lubricating oil extruded from the oil cylinder is filled into the annular groove after passing through the fifth hole, the sixth hole and the seventh hole, and is extruded out through the oil injection hole at the position corresponding to the annular groove, so that the lubricating oil is extruded out from the oil injection hole close to the right side of the push-out block all the time, the wrapping effect of the lubricating oil on the conical head is increased, and further, the sufficient lubricating effect is ensured when the conical head is screwed into the conical hole.

Preferably, a group of pressure levers are uniformly distributed on the circumference of one end of the rotating shaft, which is far away from the motor, and the middle parts of the pressure levers are hinged with the rotating shaft through hinged supports; one end of the pressure lever close to the first hole is fixedly connected with the inner wall of the first hole through a return spring; one end of the pressure lever, which is far away from the return spring, is fixedly connected with a pull rope through a pull ring; a third gear is rotatably connected to the periphery of the rotating shaft at a position corresponding to the support rod, a winding roller is fixedly connected to one side of the third gear, and one end of the pull rope, far away from the pull ring, is wound on the winding roller; racks are fixedly connected to the positions, corresponding to the third gear, of the support rods, and the racks are meshed with the third gear; one end of the inserted link close to the lifting seat is fixedly connected with a limiting disc; when the vaulting pole outwards opened under the promotion of conical head, it is rotatory to drive No. three gears and wind-up roll through the rack, and then the tensioning stay cord for the stay cord drives the rotatory back of depression bar and supports cable drum one side, and the extrusion of spacing dish to the cable drum opposite side is cooperated, further increases the stability of lifting by crane of cable drum, guarantees lifting by crane safety of cable drum.

Preferably, a blind hole is formed in one side, away from the support rod, of the support block, and a sliding block is connected in the blind hole in a sliding and sealing mode; a pair of eight holes are symmetrically formed in two sides of the blind hole, and the bottom of each eight hole is communicated with the blind hole; the eight holes are connected with spikes in a sliding mode, and hydraulic oil is filled in the eight holes and the seven holes; support the cable drum through the sliding block and contract in the blind hole after, and then promote the spine through hydraulic oil and stretch out the back and insert the cable drum, further reduce the not hard up of cable drum at the in-process that lifts by crane, guarantee lifting by crane safety of cable drum.

Preferably, one end of the sliding block, which is far away from the blind hole, is fixedly connected with a rubber block, and the rubber block is provided with an anti-slip groove; through the elastic deformation of the rubber block, the contact area of the supporting block and the cable reel is increased, so that the friction force between the supporting block and the cable reel is increased, the looseness of the cable reel in the hoisting process is further reduced by matching with the anti-skidding groove, and the hoisting safety of the cable reel is ensured.

The invention has the following beneficial effects:

1. according to the cable hoisting device, after the insertion rod is inserted into the cable drum, the second gear and the first gear are driven to rotate through the motor, the rotating shaft drives the conical head to rotate, the conical head is connected with the conical hole through the threads, the push-out block is further expanded when the conical head rotates, the support rod drives the support block to expand and then extrude the inner wall of the cable drum, the connection firmness between the insertion rod and the cable drum is further improved, the falling of the cable drum is further reduced, and the hoisting safety of the cable drum is improved.

2. According to the cable hoisting device, the conical head transversely slides relative to the push-out block in the rotating process of the conical head, so that the push-out block extrudes the sliding block in the process that the conical head is inserted into the conical hole, the sliding block outwards stretches the piston rod after sliding on the periphery of the conical head, the lubricating oil in the oil cylinder is extruded out through the oil outlet hole by the piston rod, the lubricating oil is extruded out through the oil injection hole, the lubrication between the conical head and the conical hole is increased, and the normal work of the hoisting device is further ensured.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is an enlarged view of a portion of FIG. 4 at D;

in the figure: the device comprises an inserted link 1, a cable reel 2, a lifting seat 3, a first hole 4, a rotating shaft 5, a first gear 6, a motor 7, a second gear 8, a support rod 9, a support block 10, a push-out block 11, an insertion hole 12, a conical hole 13, a conical head 14, an oil cylinder 15, a sliding rod 16, a sliding hole 17, an oil inlet hole 18, an oil outlet hole 19, an oil supply unit 20, an oil injection hole 21, a piston rod 22, a sliding block 23, a magnetic block 24, a second hole 25, an oil return groove 26, a sliding sleeve 27, an oil suction pipe 28, a third hole 29, a fourth hole 30, a fifth hole 31, a sliding column 32, a sixth hole 33, an annular groove 34, a seventh hole 35, a pressure rod 36, a pull rope 37, a third gear 38, a winding roller 39, a rack 40, a limiting disc 41, a blind hole 42, a sliding block 43, an eighth hole 44.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the cable lifting device according to the present invention includes a plug rod 1 and a cable drum 2; the inserting rod 1 is inserted into the cable drum 2 and lifts the cable drum 2; one end of the inserted link 1 is fixedly connected with a hoisting seat 3 with a fixing hole; a first hole 4 is formed in the inserted bar 1, and a rotating shaft 5 is rotatably connected in the first hole 4; one end of the rotating shaft 5 is fixedly connected with a first gear 6; a motor 7 is fixedly connected with the position, corresponding to the first gear 6, in the first hole 4, and a second gear 8 fixedly connected with an output shaft of the motor 7 is meshed with the first gear 6; the width of the first gear 6 is larger than that of the second gear 8; a group of tensioning units are uniformly distributed on the inserted rod 1, and each tensioning unit comprises a support rod 9, a support block 10 and a push-out block 11; a group of jacks 12 are uniformly distributed on the circumference of the inserted rod 1, and the stay bar 9 penetrates through the jacks 12 and is in sliding connection with the jacks 12; one end of the stay bar 9 positioned in the first hole 4 is fixedly connected with the push-out block 11, and the other end of the stay bar is fixedly connected with the stay block 10; an arc-shaped groove is formed in one side, close to the axis of the first hole 4, of the push-out block 11, a conical hole 13 is formed by adjacent arc-shaped grooves, and the rotating shaft 5 penetrates through the conical hole 13; a conical head 14 is fixedly connected to the position, corresponding to the conical hole 13, of the rotating shaft 5, and the conical head 14 is in threaded connection with the conical hole 13; when the cable disc lifting device works, the insertion rod 1 is connected through the hook and inserted into the cable disc 2 in the prior art, and then a cable is lifted and transported through the crown block, but the insertion rod 1 and the cable disc 2 are not firmly connected, so that the cable disc 2 is easy to slip off in the lifting process, and the lifting safety of the cable is influenced; at the moment, after the inserting rod 1 is inserted into the cable drum 2, the motor 7 drives the second gear 8 and the first gear 6 to rotate, so that the rotating shaft 5 drives the conical head 14 to rotate, the conical head 14 is in threaded connection with the conical hole 13, the conical head 14 is further expanded when rotating, the pushing block 11 is further expanded, the supporting rod 9 drives the supporting block 10 to expand and extrude the inner wall of the cable drum 2, the connection firmness between the inserting rod 1 and the cable drum 2 is further improved, the falling of the cable drum 2 is further reduced, and the lifting safety of the cable drum 2 is improved.

As an embodiment of the invention, an oil cylinder 15 is arranged in a groove formed in the periphery of the conical head 14, a sliding rod 16 is fixedly connected to the bottom of the groove, and the sliding rod 16 penetrates through a sliding hole 17 formed in the bottom of the oil cylinder 15 and is in sliding connection with the sliding hole 17; the bottom of the oil cylinder 15 is provided with an oil inlet 18 and an oil outlet 19, and the oil inlet 18 and the oil outlet 19 are both provided with one-way valves; the oil inlet hole 18 is communicated with an oil supply unit 20, and the oil outlet hole 19 is communicated with an oil injection hole 21 formed in the periphery of the conical head 14; a wedge-shaped sliding block 23 is fixedly connected to a piston rod 22 of the oil cylinder 15, one side of the sliding block 23 props against the side face of the conical head 14, and the other side of the sliding block is in sliding connection with the conical head 14; a tension spring is fixedly connected between the piston rod 22 and the bottom of the oil cylinder 15; through conical head 14 rotatory in-process, for propelling movement piece 11 lateral sliding, and then make conical head 14 insert the bell mouth 13 in-process, propelling movement piece 11 extrudes slider 23 for slider 23 outwards stretches piston rod 22 after conical head 14 periphery slides, and then makes piston rod 22 extrude the lubricating oil in the hydro-cylinder 15 through oil outlet 19, and then makes lubricating oil extrude through oil spout 21, increases the lubrication between conical head 14 and the bell mouth 13, further guarantees hoisting accessory's normal work.

As an embodiment of the invention, a magnetic block 24 is fixedly connected inside the push-out block 11, and one side of the magnetic block 24, which is close to the tapered hole 13, is communicated with the tapered hole 13 through a second hole 25; iron chips formed by abrasion of the conical head 14 are adsorbed by matching the magnetic block 24 with the second hole 25, the obstruction of the iron chips to the rotation of the conical head 14 is reduced, the conical head 14 is further guaranteed to rotate smoothly, meanwhile, the magnetic block 24 attracts the conical head 14, the reset speed of the push-out block 11 and the supporting block 10 is further increased, and the separation efficiency of the lifting device and the cable reel 2 is increased.

As an embodiment of the present invention, the oil supply unit 20 includes an oil return groove 26 and a sliding sleeve 27; an oil return groove 26 with an opening at the upper end is fixedly connected to the bottom of the first hole 4 and the position corresponding to the push-out block 11; the bottom of the oil return groove 26 is communicated with a flexible oil suction pipe 28, a sliding sleeve 27 is connected to the position, corresponding to the oil suction pipe 28, of the rotating shaft 5 in a sliding and sealing mode, and the oil suction pipe 28 is communicated with the hollow part inside the sliding sleeve 27; a third hole 29 is formed in the position, corresponding to the sliding sleeve 27, of the rotating shaft 5, a fourth hole 30 is formed in the rotating shaft 5, on one side, close to the conical head 14, of the third hole 29, and the fourth hole 30 is communicated with the oil inlet 18 through a pipeline; a fifth hole 31 communicated with the oil injection hole 21 is formed in the rotating shaft 5 along the axis direction, and the fifth hole 31 is communicated with the oil outlet hole 19 through a pipeline; the lubricating oil overflowing from the push-out block 11 is recovered through the oil return groove 26, then the lubricating oil passes through the oil inlet hole 18, the fourth hole 30, the third hole 29, the sliding sleeve 27 and the oil suction pipe 28 in sequence in the process of sliding the piston rod 22 upwards, then the oil is sucked from the oil return groove 26, and then the lubricating oil is sprayed out of the oil injection hole 21 after passing through the oil outlet hole 19, the pipeline and the fifth hole 31, so that the circulating lubrication effect of the lubricating oil is improved.

As an embodiment of the invention, a support plate is fixedly connected in the first hole 4 at one end of the rotating shaft 5 far away from the motor 7, and a sliding column 32 fixedly connected on the support plate is inserted into the fifth hole 31 and is in sliding sealing connection with the fifth hole 31; a sixth hole 33 is formed in one end, far away from the support plate, of the sliding column 32, an annular groove 34 is formed in the position, close to the oil cylinder 15, of the periphery of the sliding column 32, and the annular groove 34 is communicated with the sixth hole 33 through a seventh hole 35; the sliding column 32 is matched with the annular groove 34, so that lubricating oil extruded from the oil cylinder 15 is filled into the annular groove 34 after passing through the fifth hole 31, the sixth hole 33 and the seventh hole 35, and is extruded out through the oil injection hole 21 at the position corresponding to the annular groove 34, so that the lubricating oil is extruded out from the oil injection hole 21 close to the right side of the push-out block 11 all the time, the wrapping effect of the lubricating oil on the conical head 14 is improved, and further, when the conical head 14 is screwed into the conical hole 13, a sufficient lubricating effect is ensured.

As an embodiment of the invention, a group of pressure levers 36 are uniformly distributed on the circumference of one end of the rotating shaft 5 far away from the motor 7, and the middle parts of the pressure levers 36 are hinged with the rotating shaft 5 through hinged supports; one end of the pressure lever 36 close to the first hole 4 is fixedly connected with the inner wall of the first hole 4 through a return spring; one end of the pressure lever 36, which is far away from the return spring, is fixedly connected with a pull rope 37 through a pull ring; a third gear 38 is rotatably connected to the periphery of the rotating shaft 5 at a position corresponding to the support rod 9, a winding roller 39 is fixedly connected to one side of the third gear 38, and one end of the pull rope 37 far away from the pull ring is wound on the winding roller 39; a rack 40 is fixedly connected to the position of the support rod 9 corresponding to the third gear 38, and the rack 40 is meshed with the third gear 38; one end of the inserted link 1 close to the lifting seat 3 is fixedly connected with a limiting disc 41; when the stay bar 9 is pushed by the cone head 14 to be outwards opened, the third gear 38 and the winding roller 39 are driven to rotate through the rack 40, and then the stay cord 37 is tensioned, so that the stay cord 37 drives the pressing rod 36 to rotate and then supports against one side of the cable drum 2, the stay cord 37 is matched with the limiting disc 41 to extrude the other side of the cable drum 2, the hoisting stability of the cable drum 2 is further improved, and the hoisting safety of the cable drum 2 is ensured.

As an embodiment of the present invention, a blind hole 42 is formed on one side of the supporting block 10 away from the supporting rod 9, and a sliding block 43 is connected in the blind hole 42 in a sliding and sealing manner; a pair of eight holes 44 are symmetrically formed in the two sides of the blind hole 42, and the bottoms of the eight holes 44 are communicated with the blind hole 42; the eight-hole 44 is connected with a spine 45 in a sliding manner, and hydraulic oil is filled in the eight-hole 44 and the seven-hole 35; support cable drum 2 through the sliding block 43 and then contract in the blind hole 42 to, and then promote the spine 45 through hydraulic oil and insert the cable drum 2 after stretching out, further reduce the not hard up of cable drum 2 at the in-process of lifting by crane, guarantee the safety of lifting by crane of cable drum 2.

As an embodiment of the invention, one end of the sliding block 43, which is far away from the blind hole 42, is fixedly connected with a rubber block, and the rubber block is provided with an anti-slip groove; elastic deformation through the block rubber increases the area of contact of bracer 10 and cable drum 2, and then increases the frictional force of bracer 10 and cable drum 2, and the cooperation antiskid ribbed tile further reduces the not hard up of cable drum 2 in the in-process of lifting by crane, guarantees lifting by crane safety of cable drum 2.

When the cable reel is in operation, after the inserting rod 1 is inserted into the cable reel 2, the motor 7 drives the second gear 8 and the first gear 6 to rotate, so that the rotating shaft 5 drives the conical head 14 to rotate, the conical head 14 is in threaded connection with the conical hole 13, and the conical head 14 is further rotated to prop open the pushing block 11, so that the support rod 9 drives the support block 10 to expand and then extrude the inner wall of the cable reel 2, further the connection firmness between the inserting rod 1 and the cable reel 2 is increased, the falling of the cable reel 2 is further reduced, and the lifting safety of the cable reel 2 is increased; in the rotating process of the conical head 14, the conical head 14 transversely slides relative to the pushing-out block 11, so that in the process of inserting the conical head 14 into the conical hole 13, the pushing-out block 11 extrudes the sliding block 23, the sliding block 23 outwards stretches the piston rod 22 after sliding on the periphery of the conical head 14, so that the piston rod 22 extrudes lubricating oil in the oil cylinder 15 through the oil outlet 19, the lubricating oil is extruded through the oil injection hole 21, the lubrication between the conical head 14 and the conical hole 13 is increased, and the normal work of the hoisting device is further ensured; scrap iron formed by abrasion of the conical head 14 is adsorbed by matching the magnetic block 24 with the second hole 25, so that the obstruction of the scrap iron to the rotation of the conical head 14 is reduced, the conical head 14 is further ensured to rotate smoothly, meanwhile, the magnetic block 24 attracts the conical head 14, the reset speed of the push-out block 11 and the support block 10 is further increased, and the separation efficiency of the lifting device and the cable reel 2 is increased; the lubricating oil overflowing from the push-out block 11 is recovered through the oil return groove 26, then the lubricating oil passes through the oil inlet hole 18, the fourth hole 30, the third hole 29, the sliding sleeve 27 and the oil suction pipe 28 in sequence in the process of sliding the piston rod 22 upwards, then the oil is sucked from the oil return groove 26, and then the lubricating oil is ejected from the oil injection hole 21 after passing through the oil outlet hole 19, the pipeline and the fifth hole 31, so that the circulating lubrication effect of the lubricating oil is improved; the sliding column 32 is matched with the annular groove 34, so that lubricating oil extruded from the oil cylinder 15 is filled into the annular groove 34 after passing through the fifth hole 31, the sixth hole 33 and the seventh hole 35, and is extruded out through the oil injection hole 21 at the position corresponding to the annular groove 34, so that the lubricating oil is extruded out from the oil injection hole 21 close to the right side of the push-out block 11 all the time, the wrapping effect of the lubricating oil on the conical head 14 is improved, and further, when the conical head 14 is screwed into the conical hole 13, a sufficient lubricating effect is ensured; when the support rod 9 is pushed by the conical head 14 to be opened outwards, the third gear 38 and the winding roller 39 are driven to rotate through the rack 40, and then the pull rope 37 is tensioned, so that the pull rope 37 drives the press rod 36 to rotate and then to abut against one side of the cable drum 2, and the other side of the cable drum 2 is extruded by the limiting disc 41 in a matched mode, so that the hoisting stability of the cable drum 2 is further improved, and the hoisting safety of the cable drum 2 is guaranteed; the sliding block 43 is propped against the cable drum 2 and then shrinks into the blind hole 42, and the hydraulic oil pushes the spine 45 to extend out and then insert into the cable drum 2, so that the looseness of the cable drum 2 in the hoisting process is further reduced, and the hoisting safety of the cable drum 2 is ensured; elastic deformation through the block rubber increases the area of contact of bracer 10 and cable drum 2, and then increases the frictional force of bracer 10 and cable drum 2, and the cooperation antiskid ribbed tile further reduces the not hard up of cable drum 2 in the in-process of lifting by crane, guarantees lifting by crane safety of cable drum 2.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and 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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cable hoisting accessory which characterized in that: comprises an insertion rod (1) and a cable reel (2); the inserting rod (1) is inserted into the cable reel (2) and lifts the cable reel (2); one end of the inserted link (1) is fixedly connected with a hoisting seat (3) with a fixing hole; a first hole (4) is formed in the inserted rod (1), and a rotating shaft (5) is rotatably connected in the first hole (4); one end of the rotating shaft (5) is fixedly connected with a first gear (6); a motor (7) is fixedly connected with the position, corresponding to the first gear (6), in the first hole (4), and a second gear (8) fixedly connected with an output shaft of the motor (7) is meshed with the first gear (6); the width of the first gear (6) is larger than that of the second gear (8); a group of tensioning units are uniformly distributed on the inserted rod (1), and each tensioning unit comprises a support rod (9), a support block (10) and a push-out block (11); a group of jacks (12) are uniformly distributed on the circumference of the inserted rod (1), and the stay rod (9) penetrates through the jacks (12) and is connected with the jacks (12) in a sliding manner; one end of the stay bar (9) positioned in the first hole (4) is fixedly connected with the push-out block (11), and the other end of the stay bar is fixedly connected with the stay block (10); arc-shaped grooves are formed in one side, close to the axis of the first hole (4), of the push-out block (11), adjacent arc-shaped grooves form a conical hole (13), and the rotating shaft (5) penetrates through the conical hole (13); the rotating shaft (5) is fixedly connected with a conical head (14) at a position corresponding to the conical hole (13), and the conical head (14) is in threaded connection with the conical hole (13).

2. A cable hoist according to claim 1, characterized in that: an oil cylinder (15) is arranged in a groove formed in the periphery of the conical head (14), a sliding rod (16) is fixedly connected to the bottom of the groove, and the sliding rod (16) penetrates through a sliding hole (17) formed in the bottom of the oil cylinder (15) and is in sliding connection with the sliding hole (17); an oil inlet hole (18) and an oil outlet hole (19) are formed in the bottom of the oil cylinder (15), and check valves are arranged in the oil inlet hole (18) and the oil outlet hole (19); the oil inlet hole (18) is communicated with the oil supply unit (20), and the oil outlet hole (19) is communicated with an oil injection hole (21) formed in the periphery of the conical head (14); a wedge-shaped sliding block (23) is fixedly connected to a piston rod (22) of the oil cylinder (15), one side of the sliding block (23) props against the side face of the conical head (14), and the other side of the sliding block (23) is in sliding connection with the conical head (14); and a tension spring is fixedly connected between the piston rod (22) and the bottom of the oil cylinder (15).

3. A cable hoist according to claim 2, wherein: the push-out block (11) is fixedly connected with a magnetic block (24), and one side, close to the conical hole (13), of the magnetic block (24) is communicated with the conical hole (13) through a second hole (25).

4. A cable hoist according to claim 3, wherein: the oil supply unit (20) comprises an oil return groove (26) and a sliding sleeve (27); an oil return groove (26) with an opening at the upper end is fixedly connected to the bottom of the first hole (4) and the position corresponding to the push-out block (11); the bottom of the oil return groove (26) is communicated with a flexible oil suction pipe (28), a sliding sleeve (27) is connected to the position, corresponding to the oil suction pipe (28), of the rotating shaft (5) in a sliding and sealing mode, and the oil suction pipe (28) is communicated with the hollow part inside the sliding sleeve (27); a third hole (29) is formed in the position, corresponding to the sliding sleeve (27), of the rotating shaft (5), a fourth hole (30) is formed in the rotating shaft (5) at one side, close to the conical head (14), of the third hole (29), and the fourth hole (30) is communicated with the oil inlet hole (18) through a pipeline; and a fifth hole (31) communicated with the oil injection hole (21) is formed in the rotating shaft (5) along the axis direction, and the fifth hole (31) is communicated with the oil outlet hole (19) through a pipeline.

5. A cable hoist according to claim 4, characterized in that: a support plate is fixedly connected in a first hole (4) at one end of the rotating shaft (5) far away from the motor (7), and a sliding column (32) fixedly connected on the support plate is inserted into a fifth hole (31) and is in sliding sealing connection with the fifth hole (31); a sixth hole (33) is formed in one end, far away from the support plate, of the sliding column (32), an annular groove (34) is formed in the position, close to the oil cylinder (15), of the periphery of the sliding column (32), and the annular groove (34) is communicated with the sixth hole (33) through a seventh hole (35).

6. A cable hoist according to claim 5, wherein: a group of pressure levers (36) are uniformly distributed on the circumference of one end of the rotating shaft (5) far away from the motor (7), and the middle parts of the pressure levers (36) are hinged with the rotating shaft (5) through hinged supports; one end of the pressure lever (36) close to the first hole (4) is fixedly connected with the inner wall of the first hole (4) through a return spring; one end of the pressure lever (36) far away from the return spring is fixedly connected with a pull rope (37) through a pull ring; a third gear (38) is rotatably connected to the position, corresponding to the support rod (9), of the periphery of the rotating shaft (5), one side of the third gear (38) is fixedly connected with a winding roller (39), and one end, far away from the pull ring, of the pull rope (37) is wound on the winding roller (39); racks (40) are fixedly connected to the positions, corresponding to the third gear (38), of the support rods (9), and the racks (40) are meshed with the third gear (38); one end of the inserted link (1) close to the lifting seat (3) is fixedly connected with a limiting disc (41).

7. A cable hoist according to claim 6, wherein: a blind hole (42) is formed in one side, away from the stay bar (9), of the stay block (10), and a sliding block (43) is connected in the blind hole (42) in a sliding and sealing mode; a pair of eight holes (44) are symmetrically formed in two sides of the blind hole (42), and the bottoms of the eight holes (44) are communicated with the blind hole (42); a spine (45) is connected in the eighth hole (44) in a sliding mode, and hydraulic oil is filled in the eighth hole (44) and the seventh hole (35).

8. A cable hoist according to claim 7, wherein: the one end that the blind hole (42) was kept away from in sliding block (43) links firmly the block rubber, has seted up the antiskid groove on the block rubber.