Disclosure of Invention
The present invention is directed to a cable stranding apparatus for power equipment and an operation method thereof, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a power equipment cable stranding device comprises a stranding block, wherein a wire inlet plate is arranged on the right side of the stranding block, a stranding plate is arranged on the left side of the stranding block, a plurality of groups of monofilament cables distributed in a circumferential array are transversely arranged between the wire inlet plate and the stranding plate in parallel, a rotating plate driven by a rotating motor is arranged in the stranding plate, a wire outlet plate is arranged on the left side of the stranding plate, a fixed hole ring is slidably arranged between the stranding plate and the wire outlet plate, a plurality of groups of monofilament cables extending in the circumferential array penetrate through the fixed hole ring to be stranded to form stranded cables, the stranded cables extend to the outer side of the wire outlet plate, a wire outlet beam is transversely arranged on the left side of the wire outlet plate, a circulating transmission belt is mounted at the upper end of the wire outlet beam, lower pressing blocks distributed in a linear manner are slidably mounted in an inner cavity of the wire outlet beam, a winding roller is arranged on the left side of the wire outlet beam, and three groups of prepressing devices corresponding to the lower pressing blocks are mounted on the circulating transmission belt at equal intervals one by one, an upper pressing block which is installed in a telescopic mode through extrusion of a hard spring is arranged in the pre-pressing device, and the stranded cable is pressed between the upper pressing block and the lower pressing block in a pressing mode.
Preferably, the wire inlet plate and the rotating plate are respectively provided with wire holes which are transversely overlapped with each other and distributed in a circumferential array mode, the monofilament cables penetrate through the wire holes in a sliding mode, an inner cavity of the stranded wire plate is arranged to be a rotating inner cavity, the rotating plate is connected with a rotating motor through a rotating shaft, and a rotating plate bearing is rotatably installed in the rotating inner cavity.
Preferably, a pair of side plates which are symmetrical in the front and back are arranged between the twisted wire plate and the wire outlet plate, sliding grooves are transversely formed in the inner walls of the side plates, an adjusting plate is arranged on the left side of the fixed hole ring, the fixed hole ring is rotatably installed on the adjusting plate, sliding blocks are symmetrically welded on the front side and the back side of the adjusting plate, and the sliding blocks are inserted in the sliding grooves in a sliding mode.
Preferably, a pair of telescopic rods which are symmetrical up and down are arranged between the fixed-hole ring and the stranded wire plate, hinged supports are arranged on the end faces, opposite to the stranded wire plate, of the fixed-hole ring, stranded holes are formed in the fixed-hole ring, the inner diameter of each stranded hole is equal to the outer diameter of a stranded cable, and the telescopic rods are rotatably sleeved on the hinged supports.
Preferably, the pre-pressing device consists of a fixed block and an upper pressing block, the upper end of the fixed block is fixed on the outer wall of a circulating transmission belt driven by a motor, the upper end of the upper pressing block is slidably mounted in an inner cavity of the fixed block, and a hard spring is arranged between the upper end of the upper pressing block and the fixed block.
Preferably, the upper end of the upper pressing block is vertically provided with a sliding rod, the sliding rod is inserted into the fixing block in a sliding mode, the end portion of the upper end of the sliding rod is provided with a limiting end cover which is installed in a threaded rotating mode, and the hard spring is vertically installed between the limiting end cover and the inner wall of the upper end of the inner cavity of the fixing block in a compressed mode.
Preferably, the inner cavity of the upper end of the outgoing beam is an outgoing inner cavity, transmission chains are arranged on the inner walls of the front side and the rear side of the outgoing inner cavity, the lower pressing block is fixedly mounted on the transmission chains through a fixing rod, a lower pressing groove with a semicircular section is formed in the upper end of the lower pressing block, an upper pressing groove is formed in the lower end of the upper pressing block, and the upper pressing groove is a quarter circular section.
Preferably, a guide roller is vertically and rotatably arranged between the winding roller and the wire outlet beam and is positioned at the lower end of the wire outlet inner cavity.
A cable stranding operation method implemented according to the power equipment cable stranding device comprises the following steps:
s1: sequentially penetrating a plurality of groups of monofilament cables through a wire inlet plate, a wire twisting plate, a hole fixing ring, a wire outlet plate, a wire outlet beam and a guide roller along a wire hole, wherein the end parts of the monofilament cables are fixed on a winding roller;
s2: the distance between the fixed hole ring and the stranded wire plate is adjusted according to the requirement of twisting and twisting between cables, the position of the adjusting plate is limited through the telescopic rod, and the fixed hole ring and the stranded wire plate are rotationally twisted under the action of the rotating shaft under the driving of the rotating motor;
s3: the twisted cable transversely extends along the outgoing beam, the upper pressing block has the effect of downward extrusion under the extrusion of the hard spring, so that the outer wall of the twisted cable is longitudinally extruded, the bus micro-deformation of the twisted cable is realized, the pre-tightening effect is achieved, the twisted cable is prevented from being reset and loosened, and the twisted cable after being pre-tightened is wound on the winding roller.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the distance between the twisting position and the rotating torque force is adjusted by arranging the fixed hole ring which can be adjusted in a sliding manner, so that the purpose of adjusting the torque force is achieved, the twisting torque force is adaptive to the twisting of different cables, and the distance adjusting position is fixed by matching with the telescopic action of the telescopic rod;
2. according to the invention, the transverse movement of the upper pressing block and the lower pressing block is matched with the rotation of the winding roller through the chain wheel in circulating transmission, and the upper pressing block is extruded by the hard spring, so that the longitudinal extrusion of the outer wall of the stranded cable is realized, the longitudinal micro-deformation of the stranded cable is realized, the pre-tightening effect is achieved, and the stranded cable is prevented from being reset and loosened.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution:
a power equipment cable stranding device comprises a stranding block 1, a wire inlet plate 2 is arranged on the right side of the stranding block 1, a stranding plate 3 is arranged on the left side of the stranding block 1, a plurality of groups of monofilament cables 7 distributed in a circumferential array manner are transversely arranged between the wire inlet plate 2 and the stranding plate 3 in parallel, a rotating plate 32 driven by a rotating motor 6 is arranged in the stranding plate 3, a wire outlet plate 4 is arranged on the left side of the stranding plate 3, wire holes 33 distributed in a circumferential array manner and transversely overlapped with each other are arranged on the wire inlet plate 2 and the rotating plate 32, the monofilament cables 7 penetrate through the wire holes 33 in a sliding manner, an inner cavity of the stranding plate 3 is a rotating inner cavity 35, the rotating plate 32 is connected with the rotating motor 6 through a rotating shaft 34, and the rotating plate 32 is rotatably mounted in the rotating inner cavity 35 through a bearing, the rotating motor 6 is used for driving the rotating shaft 34 to rotate, and the rotating shaft 34 is used for driving the twisting plate 3 to rotate, so that the purpose of driving the fixed-hole ring 8 to rotate and twist is achieved.
A fixed hole ring 8 is slidably mounted between a twisted wire plate 3 and an outlet plate 4, a plurality of groups of monofilament cables 7 extending in a circumferential array penetrate through the fixed hole ring 8 to be twisted to form a twisted cable 16, the twisted cable 16 extends to the outer side of the outlet plate 4, a pair of side plates 5 symmetrical in the front and back are arranged between the twisted wire plate 3 and the outlet plate 4, sliding grooves 9 are transversely formed in the inner walls of the side plates 5, an adjusting plate 30 is arranged on the left side of the fixed hole ring 8, the fixed hole ring 8 is rotatably mounted on the adjusting plate 30, sliding blocks 31 are symmetrically welded on the front side and the back side of the adjusting plate 30 and are slidably inserted in the sliding grooves 9, sliding fit of the sliding blocks 31 and the sliding grooves 9 is utilized, transverse adjustment of the positions of the adjusting plate 30 and the fixed hole ring 8 is achieved, adjustment of the distance between a twisting position and rotating torque is achieved, the purpose of adjusting torque is further achieved, and twisting torque is adaptive to twisting of different cables.
Be provided with a pair of telescopic link 10 of longitudinal symmetry between fixed ring 8 and the stranded conductor board 3, all be provided with free bearing 28 on the relative terminal surface of fixed ring 8 and stranded conductor board 3, be provided with transposition hole 29 on the fixed ring 8, the internal diameter of transposition hole 29 equals the external diameter of stranded cable 16, telescopic link 10 rotates and cup joints on free bearing 28, utilize telescopic link 10's telescopic action, make the position of distance adjustment realize fixedly, drive fixed ring 8 when stranded conductor board 3 rotates simultaneously and rotate.
The left side of the wire outgoing plate 4 is transversely provided with a wire outgoing beam 11, lower pressing blocks 19 which are linearly distributed are slidably mounted in an inner cavity of the wire outgoing beam 11, an inner cavity at the upper end of the wire outgoing beam 11 is set to be a wire outgoing inner cavity 17, transmission chains 18 are respectively arranged on the inner walls of the front side and the rear side of the wire outgoing inner cavity 17, the lower pressing blocks 19 are fixedly mounted on the transmission chains 18 through fixing rods 20, and the transmission chains 18 are utilized to realize transverse sliding of the lower pressing blocks 19.
The upper end of the wire outgoing beam 11 is provided with a circulating transmission belt 14, the circulating transmission belt 14 is equidistantly provided with three groups of prepressing devices 15 which are in one-to-one correspondence with the lower pressing blocks 19, and the circulating transmission belt 14 is utilized to enable the prepressing devices 15 to transversely move together with the lower pressing blocks 19.
An upper pressing block 22 which is installed in a manner that a hard spring 26 extrudes and stretches is arranged in the pre-pressing device 15, the pre-pressing device 15 is composed of a fixing block 25 and the upper pressing block 22, the upper end of the fixing block 25 is fixed on the outer wall of the circulating transmission belt 14 driven by the motor, the upper end of the upper pressing block 22 is installed in an inner cavity of the fixing block 25 in a sliding mode, the hard spring 26 is arranged between the upper end of the upper pressing block 22 and the fixing block 25, a sliding rod 24 is vertically arranged at the upper end of the upper pressing block 22, the sliding rod 24 is inserted into the fixing block 25 in a sliding mode, a limiting end cover 27 installed in a threaded rotating mode is arranged at the end portion of the upper end of the sliding rod 24, the hard spring 26 is vertically compressed and installed between the limiting end cover 27 and the inner wall of the upper end of the inner cavity of the fixing block 25, the sliding installation of the upper pressing block 22 is achieved through the sliding rod 24, and then the hard spring 26 is extruded, and the upper pressing block 22 is pressed downwards.
The stranded cable 16 is pressed between the upper pressing block 22 and the lower pressing block 19, the upper end of the lower pressing block 19 is provided with the lower pressing groove 21 with a semicircular section, the lower end of the upper pressing block 22 is provided with the upper pressing groove 23, the upper pressing groove 23 is a quarter-circle section, and a gap is reserved between the upper pressing block 22 and the lower pressing block 19 by limiting the angle of the upper pressing groove 23, so that the upper pressing block 22 can be conveniently extruded downwards, the longitudinal extrusion of the outer wall of the stranded cable 16 is realized, the longitudinal micro-deformation of the stranded cable 16 is realized, the pre-tightening effect is achieved, and the stranded cable 16 is prevented from being reset and loosened.
A winding roller 12 is arranged on the left side of the outgoing beam 11, a guide roller 13 is vertically and rotatably arranged between the winding roller 12 and the outgoing beam 11, the guide roller 13 is positioned at the lower end of the outgoing inner cavity 17, and the pre-tightened stranded cable 16 is wound on the winding roller 12 by the guide roller 13.
A cable stranding operation method implemented according to the power equipment cable stranding device comprises the following steps:
s1: sequentially penetrating a plurality of groups of monofilament cables 7 through a wire inlet plate 2, a stranded wire plate 3, a hole fixing ring 8, a wire outlet plate 4, a wire outlet beam 11 and a guide roller 13 along a wire hole 33, wherein the end parts of the monofilament cables 7 are fixed on a winding roller 12;
s2: according to the requirement of twisting and twisting between cables, the distance between the fixed-hole ring 8 and the stranded wire plate 3 is adjusted, the position of the adjusting plate 30 is limited through the telescopic rod 10, and the fixed-hole ring 8 and the stranded wire plate 3 are rotationally twisted under the action of the rotating shaft 34 under the driving of the rotating motor 6;
s3: the stranded cable 16 transversely extends along the outgoing beam 11, and under the extrusion of the hard spring 26, the upper pressing block 22 has a downward extrusion effect, so that the outer wall of the stranded cable 16 is longitudinally extruded, the bus micro-deformation of the stranded cable 16 is realized, a pre-tightening effect is achieved, the stranded cable 16 is prevented from being reset and loosened, and the pre-tightened stranded cable 16 is wound on the winding roller 12.
The working principle is as follows: firstly, a plurality of groups of monofilament cables 7 sequentially penetrate through the wire inlet plate 2, the stranded wire plate 3 along the wire holes 33, the fixed hole ring 8, the wire outlet plate 4, the wire outlet beam 11 and the guide roller 12, the end parts of the monofilament cables 7 are fixed on the winding roller 13, the sliding fit of the sliding blocks 31 and the sliding grooves 9 is utilized, the transverse adjustment of the positions of the adjusting plate 30 and the fixed hole ring 8 is realized, the adjustment of the distance between the twisting position and the rotating torque force is realized, the purpose of adjusting the torque force is further achieved, the twisting torque force is adaptive to the twisting of different cables, the telescopic effect of the telescopic rods 10 is utilized, the position of the distance adjustment is fixed, and meanwhile, the fixed hole ring 8 is driven to rotate when the stranded wire plate 3 rotates.
Utilize the rotation motor 6 to drive pivot 34 and rotate, utilize pivot 34 to drive stranded wire board 3 and rotate to reach the purpose that drives the rotation of fixed ring 8 and strand 16 of formation in the rotation of fixed ring 8, the multiunit monofilament cable 7 that the circumference array extends runs through fixed ring 8 and at the fixed ring 8 rotation in-process transposition.
Utilize the transmission chain 18 to realize the lateral sliding of briquetting 19 down, utilize endless drive belt 14 to make pre-compaction device 15 along with briquetting 19 lateral motion together, realize the slidable mounting of briquetting 22 through slide bar 24, and then the extrusion through hard spring 26, make the downward pressfitting of briquetting 22, through the angle of injecing last indent 23, thereby make and reserve the clearance between briquetting 22 and the briquetting 19 down, be convenient for go up the downward extrusion of briquetting 22, realize vertically extruding the outer wall of stranded cable 16, realize the longitudinal micro deformation of stranded cable 16, reach the pretension effect, it is loose to prevent that stranded cable 16 from reseing, stranded cable 16 after the pretension twines on wind-up roll 12.
The motors on the winding roller 12, the transmission chain 18 and the circulating transmission belt 14 and the rotating motor 6 are all three-phase asynchronous motors common in the field and are not described in detail.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.