CN212292346U

CN212292346U - Power cable pay-off rack

Info

Publication number: CN212292346U
Application number: CN202020888353.0U
Authority: CN
Inventors: 钟兴忠; 钟桂春
Original assignee: Shenzhen Fenjinda Communication Technology Co ltd
Current assignee: Shenzhen Fenjinda Communication Technology Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-01-05
Anticipated expiration: 2030-05-23

Abstract

The utility model relates to a power cable pay-off stand, which comprises a base, a portal frame arranged on the base, a pay-off reel, a motor for driving the pay-off reel to pay off, a wire arranging device and an on-line tension indicating device, wherein the pay-off reel is arranged on the base, the wire arranging device is used for drawing a core wire to a wire extruder, the wire arranging device comprises a third fixed pulley, the core wire is wound on the third fixed pulley, the portal frame is provided with a guiding device for guiding the third fixed pulley, the guiding device is provided with an elastic part, the third fixed pulley is rotationally connected with the guiding device, the on-line tension indicating device comprises a transmission gear rotationally connected with the portal frame and an angle sensor fixed on the portal frame and used for detecting the rotation angle and direction of the transmission gear, the transmission gear is meshed with a transmission chain, one end of the transmission chain is, the angle sensor controls the rotation speed of the motor. The utility model discloses have the effect that unwrapping wire tension is stable, tension is accurate to be adjusted.

Description

Power cable pay-off rack

Technical Field

The utility model belongs to the technical field of the technique of wire and cable manufacture equipment and specifically relates to a power cable pay off rack is related to.

Background

In the current electric wire and cable manufacturing industry, electric wires and cables are usually manufactured by coating different materials on the periphery of a core wire from the processing of a core wire conductor, and in the manufacturing process of the electric wires and cables, one of the steps is that the processed core wire is usually paid off by a pay-off stand and then is drawn to a cable extruder so as to coat the periphery of the core wire with different materials.

At present, the pay-off rack that doubling winder supporting was used is mostly passive pay-off rack of minor diameter drum, and its prevalence and the rate of utilization on market are higher. Although the conventional paying-off requirements can be met by the conventional equipment, a plurality of problems still exist in the using process, namely the paying-off tension of the passive pay-off rack is that the tension on the wire pulls the wire coil to rotate for paying off, and the brake force on the wire coil is adjusted to realize the adjustment of the paying-off tension.

The above prior art solutions have the following drawbacks: tension can appear in the actual production process and adjust difficult, unstable phenomenon, can appear breaking the phenomenon of heart yearn when tension is bigger than normal, because the heart yearn takes place the messy phenomenon too loosely easily when unwrapping wire tension is smaller than normal, influence wire and cable product quality, and then influence production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power cable pay off rack has that unwrapping wire tension is stable, the adjustable accurate advantage of tension to prevent that heart yearn overstretch or heart yearn are comparatively lax.

The utility model discloses a can realize through following technical scheme:

a power cable pay-off rack comprises a base, a portal frame arranged on the base, a pay-off reel for paying off a core wire, a motor for driving the pay-off reel to pay off, a wire arranging device and an on-line tension indicating device, wherein the pay-off reel is arranged on the base, the wire arranging device is used for drawing the core wire on the pay-off reel to a wire extruder, the wire arranging device comprises a third fixed pulley, the core wire is wound on the third fixed pulley, the portal frame is provided with a guide device for guiding the lifting of the third fixed pulley, the guide device is provided with an elastic part for buffering the lifting of the third fixed pulley, the third fixed pulley is rotatably connected with the guide device, the on-line tension indicating device is used for adjusting the tension of the core wire, the on-line tension indicating device comprises a transmission gear rotatably connected with the portal frame and an angle sensor fixed on the portal frame and used for detecting the rotation angle and direction of the transmission, the transmission gear is meshed with a transmission chain, one end of the transmission chain is fixedly connected to the guide device, the other end of the transmission chain is fixedly connected with a balancing weight, and the angle sensor controls the rotating speed of the motor.

Through adopting above-mentioned technical scheme, the drawing drum is with heart yearn unwrapping wire device, the electric wire extruder is unwrapped wire with the heart yearn to the winding wire device, when the heart yearn on the drawing drum was on the tension indicating device on line, the gravity that the balancing weight was overcome to the tension on the heart yearn made it oscilaltion, it is rotatory to drive angle sensor's pivot through pinion and gear wheel, when the rotational speed of motor was too fast, the heart yearn is further straightened, the heart yearn has decurrent pressure to the third fixed pulley, the balancing weight rises, guider leads the action of rotating member downwardly rotating, it makes the elastic component compressed to rotate the piece downwardly, and then reduce the heart yearn. Meanwhile, in the downward rotation process of the rotating member, the downward rotation radian of the rotating member is measured by the angle sensor, the rotating speed of the motor is controlled by the angle sensor according to the downward rotation radian of the rotating member, and the core wire releasing speed of the pay-off reel is equal to the core wire pulling speed of the wire extruder, so that the core wire is prevented from being damaged by pulling; on the contrary, when the rotational speed of motor was too slow, the heart yearn relaxed, and the balancing weight descends, and the third fixed pulley rises, and drive gear upwards rotates, and angle sensor increases the rotational speed of motor, and the speed that the heart yearn was put to the drawing drum equals the speed that electric wire extruder pulled the heart yearn, thereby avoids the heart yearn can relax and takes place the messy silk phenomenon, and this application has the advantage that unwrapping wire tension is stable, tension is adjustable accurate to the realization prevents that the heart yearn is overstretched or the effect that the heart.

The utility model discloses further set up to: the gantry comprises a gantry top fixedly connected with a support, wherein a support cylinder is fixedly connected to the top of the support, the support cylinder is rotatably connected with a first rotating shaft, a transmission gear is sleeved at one end of the first rotating shaft and is rotatably connected with the first rotating shaft, a small gear is fixedly sleeved at the other end of the first rotating shaft, a support seat is fixedly connected to the top of the gantry, an angle sensor is fixedly connected to one side of the support seat, the rotating shaft of the angle sensor penetrates through the support seat and is rotatably connected with the support seat, a second rotating shaft is inserted and matched with the rotating shaft of the angle sensor, the second rotating shaft is fixedly connected with a large gear meshed with the small gear, and the central axis of the rotating shaft of the angle sensor and the central axis of the second rotating shaft are parallel to the.

Through adopting above-mentioned technical scheme, when the speed that the heart yearn was put to the drawing drum was inconsistent with the speed that the electric wire extruder pulled the heart yearn, drive gear took place to rotate along ascending or decurrent direction, and drive gear's rotation drives first pivot and rotates, and first pivot takes place to rotate and drives the pinion rotation, and the pinion drives the gear wheel and takes place to rotate to drive the second pivot and take place to rotate, angle sensor records the rotation of second pivot, thereby carries out motor pivoted control. Because the diameter of the small gear is smaller than that of the big gear, the small gear changes in a larger angle, and the big gear rotates slightly, so that the angle sensor can accurately measure the rotation condition of the rotating part, the rotating speed of the motor is controlled, and the speed of unwinding the core wire of the pay-off reel is consistent with the speed of the core wire pulled by the wire extruder.

The utility model discloses further set up to: the end part of the second rotating shaft is provided with a rotating hole, the side wall of the rotating hole is fixed with a first fixing plane, and the end part of the rotating shaft of the angle sensor is provided with a second fixing plane which is used for being attached to the first fixing plane.

Through adopting above-mentioned technical scheme, when angle sensor's pivot was inlayed and is located the trompil, first fixed plane was laminated with the second fixed plane mutually, therefore angle sensor's pivot and trompil circumference are fixed to make things convenient for angle sensor's installation.

The utility model discloses further set up to: the wire arranging device further comprises a first fixed pulley, a second fixed pulley and a wire releasing wheel, wherein the first fixed pulley and the wire releasing wheel are respectively connected to two sides of the portal frame in the vertical direction in a rotating manner, the second fixed pulley is connected to the base in a rotating manner, the second fixed pulley and the third fixed pulley are positioned between the first fixed pulley and the wire releasing wheel, the first fixed pulley is positioned right above the wire releasing disc, the third fixed pulley is positioned right above the second fixed pulley, the central axes of the first fixed pulley, the second fixed pulley and the wire releasing wheel are all parallel to the central axis of the third fixed pulley, the first fixed pulley, the second fixed pulley, the third fixed pulley and the wire releasing wheel are all positioned on the same side of the portal frame, the central axis of the first fixed pulley is higher than the central axis of the third fixed pulley, the central axis of the third fixed pulley is higher than the central axis of the wire releasing wheel, and the central axis of the wire releasing wheel is higher than, the second fixed pulley and the third fixed pulley are provided with a plurality of tracks for the core wire to rotate, the diameters of the second fixed pulley, the third fixed pulley and the paying-off wheel are the same, and the diameter of the first fixed pulley is larger than that of the second fixed pulley.

Through adopting above-mentioned technical scheme, the heart yearn is from the drawing drum unwrapping wire, and the winding is to first fixed pulley, the heart yearn multichannel is walked around second fixed pulley and third fixed pulley in proper order afterwards, the heart yearn is walked around to the actinobacillus wheel from the third fixed pulley after that, the heart yearn is unwrapped wire to electric wire extruder from the actinobacillus wheel at last, provide sufficient buffering length for the drawing and the winding displacement of heart yearn, improve the tensile stability of this application unwrapping wire and improve the accuracy nature that tension finely tuned, very big avoided the heart yearn because the speed that the heart yearn was put to the actinobacillus drum and the speed inconsistent that the electric wire extruder pulled the heart ye.

The utility model discloses further set up to: install the pay off rack that is used for installing the drawing drum on the base, the pay off rack includes first unwrapping wire arm and second unwrapping wire arm, first unwrapping wire arm and the mutual parallel arrangement of second unwrapping wire arm, the drawing drum is installed between first unwrapping wire arm and second unwrapping wire arm, the adjusting device that is used for carrying out loading and unloading to the drawing drum and the elevating gear that control drawing drum goes up and down are installed to the pay off rack, elevating gear installs in the tip of second unwrapping wire arm.

Through adopting above-mentioned technical scheme, when carrying out the unwrapping wire to the heart yearn on the drawing drum, the pay off rack plays fixed effect to the drawing drum, when preventing that motor drive drawing drum from rotating the unwrapping wire, the drawing drum takes place to roll, adjusting device can control the drawing drum and install in the pay off rack or dismantle from the pay off rack, before the pay off drum is installed in the pay off rack, place the drawing drum between first unwrapping wire arm and second unwrapping wire arm, adjusting device installs the drawing drum in the pay off rack, adjusting device installs the drawing drum behind the pay off rack, thereby elevating gear control drawing drum rises and breaks away from the base, thereby can be convenient carry out the unwrapping wire to the heart yearn on the drawing drum.

The utility model discloses further set up to: adjusting device includes driving shaft and axis of rotation, the driving shaft runs through first unwrapping wire arm and rotates with first unwrapping wire arm and be connected, the one end fixedly connected with that the driving shaft is close to second unwrapping wire arm is pegged graft the first jack portion of complex with the one end in shaft hole, the axis of rotation runs through second unwrapping wire arm, the axis of rotation is provided with the external screw thread, axis of rotation and second unwrapping wire arm threaded connection, the axis coincidence of axis of rotation and driving shaft, be equipped with the clearance between axis of rotation and the driving shaft, the one end fixedly connected with handle of driving shaft is kept away from to the axis of rotation, the axis of rotation is close to the one end fixedly connected with of driving shaft and the other end in shaft hole and pegs graft complex second jack portion.

Through adopting above-mentioned technical scheme, when carrying out the installation of drawing drum, at first rotate the handle for the distance increase between second jack portion and the first jack portion, place the drawing drum in the base, the drawing drum is located the clearance between second jack portion and the first jack portion, aim at the tip of second jack portion and first jack portion respectively with the shaft hole both ends of drawing drum, rotate the handle once more, make the tip of second jack portion and first jack portion insert in the shaft hole. After the end parts of the second inserting hole part and the first inserting hole part are inserted into the shaft holes, the lifting device is started, and the bottom of the pay-off reel is separated from the base.

The utility model discloses further set up to: the one end that the second unwrapping wire arm was kept away from to the driving shaft is installed and is driven driving shaft pivoted driving piece, the driving piece includes driving pulley, driven pulley and driving belt, the motor is installed in the pay off rack, the output shaft and the driving pulley fixed connection of motor, driven pulley fixed connection keeps away from the one end of second unwrapping wire arm in the driving shaft, carry out power transmission through driving belt between driving pulley and the driven pulley.

Through adopting above-mentioned technical scheme, motor drive belt pulley rotates, thereby rotate through driving belt drive driven pulley, driven pulley drives the driving shaft and rotates, thereby make the drawing drum rotate, the heart yearn unwrapping wire on the drawing drum of being convenient for, improve the tensile stability of this application unwrapping wire and the accuracy nature that improves tension fine setting, very big avoided the heart yearn because the speed that the heart yearn was put to the drawing drum is inconsistent with the speed that the electric wire extruder pulled the heart yearn and the heart yearn phenomenon that leads to is overstretched or the heart yearn is more lax.

The utility model discloses further set up to: the pay-off stand also comprises a balance arm, the first pay-off arm and the second pay-off arm are fixedly connected through the balance arm, the lifting device comprises a fixed seat, a screw rod and a hinged block hinged at the end part of the second pay-off arm, the hinged axis of the hinged block is parallel to the central axis of the rotating shaft, the fixed seat is fixedly connected with the base, the screw rod penetrates through the hinge block and is fixedly connected with the fixed seat, the central axis of the screw rod is vertical to the central axis of the rotating shaft, one end of the screw rod, far away from the fixed seat, is fixedly connected with a hand wheel, the base is fixedly connected with two hinge seats, the pay-off rack is hinged with the hinge seats, the hinge axis of the pay-off rack is parallel to the hinge axis of the rotating shaft, the hinge axis of the hinge block is parallel to the hinge axis of the rotating shaft, the hinge axis of the rotating shaft is closer to the hinge axis of the hinge block than the hinge axis of the pay-off rack.

Through adopting above-mentioned technical scheme, through rotating the hand wheel, make articulated piece upwards rise, articulated piece drives the pay off rack tip and upwards lifts, because the pay off rack articulates in articulated seat, the power that the pay off rack tip upwards lifted makes the balance arm have a decurrent power, the articulated axis of rotation compares the articulated axis of pay off rack and is closer to the articulated axis of articulated piece simultaneously, the balance of pay off rack has been guaranteed, the power that the pay off rack tip upwards lifted makes the drawing drum of installing in the pay off rack rise, thereby make the drawing drum bottom break away from the base upper surface, be convenient for the unwrapping wire of heart yearn on the drawing drum.

The utility model discloses further set up to: articulated seat includes the articulated shaft and is fixed in the backing sheet of base, backing sheet perpendicular to base, two the relative parallel arrangement of backing sheet, first unwrapping wire arm and second unwrapping wire arm bottom are the articulated piece of fixedly connected with respectively, articulated piece and backing sheet are run through respectively at the both ends of articulated shaft, articulated shaft and articulated piece rotate to be connected, articulated shaft and backing sheet fixed connection, articulated piece and backing sheet parallel arrangement.

Through adopting above-mentioned technical scheme, when the lift of installing the drawing drum on the pay off rack through rotating hand wheel control, the articulated piece has upwards or downward pivoted movement track along the articulated axis of articulated piece for the drawing drum can be more stable at the in-process that goes up and down.

The utility model discloses further set up to: the guide device comprises a guide column, a limiting seat and a sliding block, the limiting seat is fixedly connected to the bottom of the portal frame, one end of the guide column is fixedly connected to the top of the portal frame, the other end of the guide column is fixedly connected to the upper surface of the limiting seat, the sliding block penetrates through the guide column and is in sliding connection with the guide column, and the third fixed pulley is rotatably connected to a third fixed shaft;

the guide post comprises a guide post and is characterized in that two ends of the guide post in the length direction are fixedly connected with first limiting convex rings, a guide post sleeve is provided with a first spring and a second spring, one end of the first spring is fixedly connected with the first limiting convex ring close to a limiting seat, the other end of the first spring is fixedly connected with a first gasket, the first gasket is slidably connected with the guide post, one end of the second spring is fixedly connected with the upper surface of a sliding block, and the other end of the second spring is fixedly connected with a second gasket which is slidably connected with the guide post.

Through adopting above-mentioned technical scheme, when the rotational speed of motor was too fast, the heart yearn was further flare-outed, and the heart yearn has decurrent pressure to the third fixed pulley, and the balancing weight rises, and guider leads to the action of rotating member downwardly rotating, and the rotating member downwardly rotating makes first spring compressed, and then reduces the heart yearn and damage because of overstretching. On the contrary, when the rotational speed of motor was too slow, the heart yearn relaxes, the balancing weight descends, the third fixed pulley rises, drive gear upwards rotates, it upwards rotates makes the second spring compressed to rotate the piece, angle sensor increases the rotational speed of motor, the speed that the heart yearn was put to the drawing drum equals the speed that electric wire extruder pulled the heart yearn, thereby avoid the heart yearn can relax and take place the messy silk phenomenon, this application has the advantage that unwrapping wire tension is stable, tension is adjustable accurate, thereby realize preventing the effect that the heart yearn is excessively stretched or the heart yearn is more. The arrangement of the first limiting convex ring prevents the first gasket or the second gasket of the third fixed pulley from colliding with the upper surface of the limiting seat or the top of the portal frame in the lifting process, and the service life of the on-line tension indicating device is prolonged.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the wire arranging device, the guiding device and the on-wire tension indicating device, the wire arranging device has the advantages of stable paying-off tension and adjustable and accurate tension, so that the effect of preventing the core wire from being over-stretched or loose is achieved;

2. through the arrangement of the adjusting device and the lifting device, the pay-off reel can be assembled and disassembled more conveniently and quickly, and the pay-off reel can adapt to pay-off reels of various sizes;

3. through guider's setting, prolonged online tension indicating device's life to the use of this application has been prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of another perspective structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a wire arranging device, an on-wire tension indicating device, a portal frame and a guiding device.

Fig. 4 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 5 is a schematic view of the structure of the on-line tension indicating device.

In the figure, 1, a base; 11. a support arm; 12. a second fixed shaft; 2. a pay-off reel; 21. a shaft hole; 3. a pay-off rack; 31. a balance arm; 32. a first pay-off arm; 33. a second payout arm; 4. an adjustment device; 41. a drive shaft; 42. a rotating shaft; 43. a first socket portion; 44. a second socket portion; 45. a handle; 5. a wire arranging device; 51. a first fixed pulley; 52. a second fixed pulley; 53. a third fixed pulley; 54. a paying-off wheel; 6. an on-line tension indicating device; 601. a transmission gear; 602. an angle sensor; 603. a support; 604. a first rotating shaft; 605. a drive chain; 606. a balancing weight; 607. a guide bar; 608. a second limit convex ring; 609. a pinion gear; 610. a supporting seat; 611. a second rotating shaft; 612. a bull gear; 613. hole turning; 614. a first fixed plane; 615. a second fixed plane; 616. a support cylinder; 7. a lifting device; 71. a hinged seat; 711. a fixed block; 712. a support sheet; 713. hinging a shaft; 72. a hinged sheet; 73. a fixed seat; 74. a screw rod; 75. a hinged block; 76. a hand wheel; 8. a drive member; 81. a drive pulley; 82. a driven pulley; 83. a drive belt; 84. a motor; 9. a gantry; 91. a first fixed shaft; 92. a pay-off shaft; 10. a guide device; 101. a guide post; 102. a limiting seat; 103. a slider; 104. a third fixed shaft; 105. a first limit convex ring; 106. a first spring; 107. a second spring; 108. a first gasket; 109. a second gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, do the utility model discloses a power cable pay off rack, including base 1, drawing drum 2, be used for installing drawing drum 2's pay off rack 3, adjusting device 4, winding displacement device 5 and online tension indicating device 6. Pay off rack 3 installs in base 1, and pay off reel 2 is used for the unwrapping wire of heart yearn, and adjusting device 4 is used for adjusting the loading and unloading of pay off reel 2, and winding displacement device 5 is used for drawing the heart yearn on pay off reel 2 to electric wire extruder (not shown in the figure) and carries out the outer different material cladding processing of heart yearn, and online tension indicating device 6 is used for adjusting the tension of heart yearn.

With continued reference to fig. 1, the pay-off stand 3 includes a balance arm 31, a first pay-off arm 32, and a second pay-off arm 33, the balance arm 31, the first pay-off arm 32, and the second pay-off arm 33 are joined to each other such that the pay-off stand 3 has a U-shape, and the first pay-off arm 32 and the second pay-off arm 33 are arranged in parallel to each other. The middle part of the pay-off reel 2 is provided with a shaft hole 21 in a penetrating manner, the central axis of the shaft hole 21 is coincided with the central axis of the pay-off reel 2, and the pay-off reel 2 is installed between the first pay-off arm 32 and the second pay-off arm 33.

Referring to fig. 2 and 4, the adjusting device 4 includes a driving shaft 41 and a rotating shaft 42. The driving shaft 41 penetrates through the first wire releasing arm 32, the driving shaft 41 is rotatably connected with the first wire releasing arm 32, and one end of the driving shaft 41 close to the second wire releasing arm 33 is fixedly connected with a first inserting hole part 43 which is in inserting fit with one end of the shaft hole 21. The rotation shaft 42 penetrates the second wire arm 33, a screw thread is provided on the outer surface of the rotation shaft 42, and the rotation shaft 42 and the second wire arm 33 are screw-coupled. The rotation shaft 42 coincides with the central axis of the drive shaft 41, and a gap is provided between the rotation shaft 42 and the drive shaft 41. One end of the rotation shaft 42 far from the driving shaft 41 is fixedly connected with a handle 45, and one end of the rotation shaft 42 near the driving shaft 41 is fixedly connected with a second inserting hole part 44 which is inserted and matched with the other end of the shaft hole 21. By rotating the handle 45, the distance between the second insertion hole portion 44 and the first insertion hole portion 43 can be controlled, thereby facilitating the mounting and dismounting of the pay-off reel 2.

With continued reference to fig. 1 and 2, the first and second

insertion hole portions

43 and 44 are each stepped cylindrical, with the smallest diameter cylinder of the first insertion hole portion 43 being distal from the first wire arm 32 and the smallest diameter cylinder of the second insertion hole portion 44 being distal from the second wire arm 33, such that the smallest diameter cylinders of the first and second

insertion hole portions

43 and 44 are oppositely disposed. The central axes of the first and second insertion holes 43 and 44 overlap. The first and second

insertion hole portions

43 and 44 are arranged in a stepped cylindrical manner, so that the first and second

insertion hole portions

43 and 44 can be adapted to shaft holes 21 with different sizes, and pay-off reels 2 with different sizes can be mounted.

With continued reference to fig. 1 and 2, the end of the second payout arm 33 is mounted with the lifting device 7 such that the adjustment device 4 is closer to the balance arm 31 than the lifting device 7. The lifting device 7 comprises two hinged seats 71, the hinged seats 71 are fixedly connected to the base 1, and the number of the hinged seats 71 is two. The hinge base 71 includes a fixing block 711 and a hinge shaft 713, the fixing block 711 is fixed on the upper surface of the base 1, a support plate 712 is fixedly connected to the upper surface of the fixing block 711, the support plate 712 is perpendicular to the fixing block 711, and the two support plates 712 are arranged in parallel. The bottom of the first wire releasing arm 32 and the bottom of the second wire releasing arm 33 are respectively fixedly connected with a hinge piece 72, two ends of a hinge shaft 713 respectively penetrate through the hinge piece 72 and a support piece 712, the hinge shaft 713 is rotatably connected with the hinge piece 72, the hinge shaft 713 is fixedly connected with the support piece 712, the hinge piece 72 and the support piece 712 are arranged in parallel, and the central axis of the rotating shaft 42 is parallel to the central axis of the hinge shaft 713.

With continued reference to fig. 1 and 2, the lifting device 7 further includes a fixing base 73, a lead screw 74, and a hinge block 75 hinged to the end of the second wire arm 33, the hinge axis of the hinge block 75 being parallel to the central axis of the rotating shaft 42. The fixing seat 73 is fixedly connected to the base 1, the screw rod 74 penetrates through the hinge block 75 and is fixedly connected with the fixing seat 73, and the central axis of the screw rod 74 is perpendicular to the central axis of the rotating shaft 42. And a hand wheel 76 is fixedly connected to one end of the screw rod 74 far away from the fixed seat 73.

With continued reference to fig. 1 and 2, in performing the installation of the payout reel 2, the handle 45 is first rotated so that the distance between the second insertion hole portion 44 and the first insertion hole portion 43 is increased, the payout reel 2 is placed on the base 1, the payout reel 2 is positioned in the gap between the second insertion hole portion 44 and the first insertion hole portion 43, both ends of the shaft hole 21 of the payout reel 2 are aligned with the ends of the second insertion hole portion 44 and the first insertion hole portion 43, respectively, and the handle 45 is rotated again so that the ends of the second insertion hole portion 44 and the first insertion hole portion 43 are inserted into the shaft hole 21. After the ends of the second inserting hole part 44 and the first inserting hole part 43 are inserted into the shaft hole 21, the pay-off rack 3 is hinged to the hinge seat 71, and the bottom of the pay-off reel 2 is separated from the base 1 by rotating the hand wheel 76. It should be noted that only a little rotation of the hand wheel 76 is needed to make the bottom of the pay-off reel 2 just separate from the base 1.

With continued reference to fig. 1 and 2, the end of the axle shaft 41 remote from the second payout arm 33 is mounted with a driver 8 that drives the axle shaft 41 in rotation. The driving member 8 includes a driving pulley 81, a driven pulley 82, a driving belt 83, and a motor 84. The motor 84 is installed on the pay-off rack 3, an output shaft of the motor 84 is fixedly connected with the driving pulley 81, the driven pulley 82 is fixedly connected to one end of the driving shaft 41 far away from the second pay-off arm 33, and power transmission is performed between the driving pulley 81 and the driven pulley 82 through the transmission belt 83. Motor 84 drive pulley 81 rotates to drive driven pulley 82 through driving belt 83 and rotate, driven pulley 82 drives driving shaft 41 and rotates, thereby makes drawing drum 2 rotate, is convenient for the heart yearn unwrapping wire on drawing drum 2.

Referring to fig. 2 and 3, the traverse 5 includes a first fixed pulley 51, a second fixed pulley 52, a third fixed pulley 53, and a payout roller 54. The upper surface of the base 1 is fixedly connected with a portal frame 9, the portal frame 9 is U-shaped, and the portal frame 9 is positioned on one side of the balance arm 31. One side of the gantry 9 close to the pay-off rack 3 in the vertical direction is fixedly connected with a first fixed shaft 91, and the first fixed pulley 51 is rotatably connected to the first fixed shaft 91. Fixed surface is connected with support arm 11 on base 1, and support arm 11 is located one side of pay off rack 3, and support arm 11 tip fixedly connected with second fixed axle 12, second fixed pulley 52 rotate to be connected in second fixed axle 12, the central axis perpendicular to drawing drum 2's of first fixed pulley 51 the central axis, and the central axis of second fixed pulley 52 is parallel with the central axis of first fixed pulley 51.

Referring to fig. 3, the gantry 9 is provided with a guide 10 for guiding the lifting of the third fixed pulley 53, and the guide 10 includes two guide posts 101, a stopper 102 and a slide block 103, preferably, the number of the guide posts 101 is two. Spacing seat 102 fixed connection is in portal frame 9 bottom, and the one end fixed connection of guide post 101 is in portal frame 9 top, and the other end fixed connection of guide post 101 is in spacing seat 102 upper surface. The two ends of the sliding block 103 penetrate the guide post 101 and are slidably connected with the guide post 101. One side of the sliding block 103 is fixedly connected with a third fixed shaft 104, and the third fixed pulley 53 is rotatably connected with the third fixed shaft 104.

With reference to fig. 3, the two ends of the guide post 101 in the length direction are fixedly connected with first limiting convex rings 105, so as to prevent the first gasket 108 or the second gasket 109 from hitting the upper surface of the limiting seat 102 or the top of the gantry 9 during the process of lifting the third fixed pulley 53. The guide post 101 is sleeved with a first spring 106 and a second spring 107. One end of the first spring 106 is fixedly connected to the first limit convex ring 105 close to the limit seat 102, the other end of the first spring 106 is fixedly connected to the first gasket 108, and the first gasket 108 is slidably connected to the guide post 101. One end of the second spring 107 is fixedly connected to the upper surface of the sliding block 103, the other end of the second spring 107 is fixedly connected to a second pad 109, and the second pad 109 is slidably connected to the guide post 101, so that the third fixed pulley 53 slides up and down along the length direction of the guide post 101.

With continued reference to fig. 3, a paying-off shaft 92 is fixedly connected to a side of the gantry 9 away from the first fixed pulley 51, and the paying-off wheel 54 is rotatably connected to the paying-off shaft 92. The first fixed pulley 51, the second fixed pulley 52, the third fixed pulley 53 and the pay-off wheel 54 are all positioned on one side of the portal frame 9 close to the pay-off rack 3. The central axis of the first fixed pulley 51 is higher than the central axis of the third fixed pulley 53, the central axis of the third fixed pulley 53 is higher than the central axis of the paying-off wheel 54, and the central axis of the paying-off wheel 54 is higher than the central axis of the second fixed pulley 52. The second fixed pulley 52 and the third fixed pulley 53 are each provided with a plurality of rails around which the core wire is wound, and the second fixed pulley 52 and the third fixed pulley 53 are located between the first fixed pulley 51 and the payout roller 54. First fixed pulley 51 is located directly over drawing drum 2, and third fixed pulley 53 is located directly over second fixed pulley 52, and the track on second fixed pulley 52 and third fixed pulley 53 is the arrangement of straggling, is convenient for the heart yearn in proper order at the track winding between second fixed pulley 52 and third fixed pulley 53. The core wire is paid off from the pay-off reel 2 and wound around the first fixed pulley 51, then the core wire is wound around the second fixed pulley 52 and the third fixed pulley 53 in plural passes in order, then the core wire is wound around the third fixed pulley 53 to the pay-off reel 54, and finally the core wire is paid off from the pay-off reel 54 to the wire extruder. The central axes of the third fixed pulley 53 and the paying-off wheel 54 are parallel to the central axis of the first fixed pulley 51. The diameter of the first fixed pulley 51 is larger than the diameters of the second fixed pulley 52, the third fixed pulley 53 and the paying-off wheel 54, and the diameters of the second fixed pulley 52, the third fixed pulley 53 and the paying-off wheel 54 are the same.

Referring to fig. 1 and 5, the on-line tension indicating device 6 includes a transmission gear 601 and an angle sensor 602 fixed to the gantry 9 and used for detecting a rotation angle and a direction of the transmission gear 601, wherein the angle sensor 602 controls the rotation of the motor 84 according to the rotation of the transmission gear 601. The top of the portal frame 9 is fixedly connected with a support 603, the top of the support 603 is fixedly connected with a support cylinder 616, the support cylinder 616 is rotatably connected with a first rotating shaft 604 through a ball bearing, a transmission gear 601 is sleeved at one end of the first rotating shaft 604, and the transmission gear 601 is rotatably connected with the first rotating shaft 604. The transmission gear 601 is engaged with a transmission chain 605, one end of the transmission chain 605 is fixedly connected to the third fixed shaft 104, the other end of the transmission chain 605 is fixedly connected with a counterweight block 606, the portal frame 9 is further provided with a guide rod 607 parallel to the guide post 101, two ends of the guide rod 607 are respectively fixedly connected to the top of the portal frame 9 and the upper surface of the limiting seat 102, and the counterweight block 606 penetrates through the guide rod 607 and is slidably connected with the guide rod 607. Two ends of the guide rod 607 in the length direction are fixedly connected with second limiting convex rings 608 to prevent the third fixed pulley 53 from colliding with the top of the gantry 9 or the upper surface of the limiting seat 102 in the lifting process.

Continuing to refer to fig. 1 and fig. 5, a pinion 609 is fixedly sleeved on the other end of the first rotating shaft 604, a supporting seat 610 is fixedly connected to the top of the gantry 9, the angle sensor 602 is fixedly connected to one side of the supporting seat 610, a rotating shaft of the angle sensor 602 penetrates through the supporting seat 610 and is rotatably connected to the supporting seat 610, a second rotating shaft 611 is inserted and matched to the rotating shaft of the angle sensor 602, a large gear 612 engaged and matched to the pinion 609 is fixedly connected to the second rotating shaft 611, and a central axis of the rotating shaft of the angle sensor 602 and a central axis of the second rotating shaft 611 are both parallel to a central axis of the. A rotating hole 613 is formed at an end of the second rotating shaft 611, a first fixing plane 614 is fixed to a side wall of the rotating hole 613, a second fixing plane 615 is disposed at an end of the rotating shaft of the angle sensor 602, and when the rotating shaft of the angle sensor 602 is inserted into the rotating hole 613, the first fixing plane 614 and the second fixing plane 615 are attached to each other, so that the rotating shaft of the angle sensor 602 is circumferentially fixed to the rotating hole 613.

With continued reference to fig. 1 and 5, when the motor 84 rotates faster, the speed of unwinding the core wire from the reel 2 is less than the speed of pulling the core wire by the wire extruder, the core wire is straightened, the core wire has a downward pressure on the third fixed pulley 53, the transmission gear 601 rotates downward, the first spring 106 is compressed, and the damage of the core wire is reduced. At this time, the first rotating shaft 604 drives the second rotating shaft 611 to rotate through the small gear 609 and the large gear 612, the angle sensor 602 detects the rotation condition of the transmission gear 601, the angle sensor 602 reduces the rotation speed of the motor 84, and the speed of unwinding the core wire of the pay-off reel 2 is equal to the speed of pulling the core wire by the wire extruder; conversely, angle sensor 602 increases the rotational speed of motor 84, and the speed of paying off the core wire from reel 2 is equal to the speed of the wire extruder pulling the core wire.

The utility model discloses an implement the principle and do: when the pay-off reel 2 is installed, the handle 45 is firstly rotated to increase the distance between the second insertion hole part 44 and the first insertion hole part 43, the pay-off reel 2 is placed on the base 1, the pay-off reel 2 is located in the gap between the second insertion hole part 44 and the first insertion hole part 43, the pay-off reel 3 is hinged to the hinge base 71, the lifting of the second insertion hole part 44 and the first insertion hole part 43 can be adjusted by rotating the hand wheel 76, and when the hand wheel 76 is rotated to enable the end parts of the second insertion hole part 44 and the first insertion hole part 43 to be aligned with the shaft hole 21 of the pay-off reel 2, the handle 45 is rotated again to enable the end parts of the second insertion hole part 44 and the first insertion hole part 43 to be inserted into the shaft hole 21. After the ends of the second insertion hole portion 44 and the first insertion hole portion 43 are inserted into the shaft hole 21, the hand wheel 76 is rotated to separate the bottom of the pay-off reel 2 from the base 1.

The speed of unwinding the core wire by the unwinding reel 2 is less than the speed of pulling the core wire by the wire extruder, the core wire is straightened, the core wire has a downward pressure on the third fixed pulley 53, the transmission gear 601 rotates downward, the first spring 106 is compressed, and the damage of the core wire is reduced. At this time, the first rotating shaft 604 drives the second rotating shaft 611 to rotate through the small gear 609 and the large gear 612, the angle sensor 602 detects the rotation condition of the transmission gear 601, the angle sensor 602 reduces the rotation speed of the motor 84, and the speed of unwinding the core wire of the pay-off reel 2 is equal to the speed of pulling the core wire by the wire extruder; conversely, angle sensor 602 increases the rotational speed of motor 84, and the speed of paying off the core wire from reel 2 is equal to the speed of the wire extruder pulling the core wire.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a power cable pay off rack which characterized in that: the wire drawing device comprises a base (1), a portal frame (9) arranged on the base (1), a wire drawing disc (2) used for drawing a core wire, a motor (84) used for driving the wire drawing disc (2) to draw the core wire, a wire arranging device (5) and an on-line tension indicating device (6), wherein the wire drawing disc (2) is arranged on the base (1), the wire arranging device (5) is used for drawing the core wire on the wire drawing disc (2) to a wire extruder, the wire arranging device (5) comprises a third fixed pulley (53), the core wire is wound on the third fixed pulley (53), the portal frame (9) is provided with a guide device (10) used for guiding the lifting of the third fixed pulley (53), the guide device (10) is provided with an elastic part for buffering the lifting of the third fixed pulley (53), the third fixed pulley (53) is rotatably connected to the guide device (10), and the on-line tension indicating device (6) is used for adjusting the tension of the core wire, the on-line tension indicating device (6) comprises a transmission gear (601) rotationally connected to the portal frame (9) and an angle sensor (602) fixed to the portal frame (9) and used for detecting the rotation angle and direction of the transmission gear (601), the transmission gear (601) is meshed with a transmission chain (605), one end of the transmission chain (605) is fixedly connected to the guiding device (10), the other end of the transmission chain (605) is fixedly connected with a balancing weight (606), and the rotation speed of the motor (84) is controlled by the angle sensor (602).

2. The power cable pay-off rack of claim 1, wherein: the top of the portal frame (9) is fixedly connected with a support (603), the top of the support (603) is fixedly connected with a support cylinder (616), the support cylinder (616) is rotatably connected with a first rotating shaft (604), the transmission gear (601) is sleeved at one end of the first rotating shaft (604), the transmission gear (601) is rotatably connected with the first rotating shaft (604), the other end of the first rotating shaft (604) is sleeved with a pinion (609), the top of the portal frame (9) is fixedly connected with a support seat (610), the angle sensor (602) is fixedly connected with one side of the support seat (610), the rotating shaft of the angle sensor (602) penetrates through the support seat (610) and is rotatably connected with the support seat (610), the rotating shaft of the angle sensor (602) is inserted and matched with a second rotating shaft (611), the second rotating shaft (611) is fixedly connected with a large gear (612) which is meshed and matched with the pinion (609), the central axis of the rotating shaft of the angle sensor (602) and the central axis of the second rotating shaft (611) are parallel to the central axis of the first rotating shaft (604).

3. The power cable pay-off rack of claim 2, wherein: the end part of the second rotating shaft (611) is provided with a rotating hole, the side wall of the rotating hole is fixed with a first fixing plane (614), and the end part of the rotating shaft of the angle sensor (602) is provided with a second fixing plane (615) which is attached to the first fixing plane (614).

4. The power cable pay-off rack of claim 1, wherein: the wire arranging device (5) further comprises a first fixed pulley (51), a second fixed pulley (52) and a paying-off wheel (54), the first fixed pulley (51) and the paying-off wheel (54) are respectively connected to two sides of the portal frame (9) in the vertical direction in a rotating mode, the second fixed pulley (52) is connected to the base (1) in a rotating mode, the second fixed pulley (52) and the third fixed pulley (53) are located between the first fixed pulley (51) and the paying-off wheel (54), the first fixed pulley (51) is located right above the paying-off disc (2), the third fixed pulley (53) is located right above the second fixed pulley (52), the central axes of the first fixed pulley (51), the second fixed pulley (52) and the paying-off wheel (54) are parallel to the central axis of the third fixed pulley (53), the first fixed pulley (51), the second fixed pulley (52), the third fixed pulley (53) and the paying-off wheel (54) are located on the same side of the portal frame (9), the axis of first fixed pulley (51) is higher than the axis of third fixed pulley (53), the axis of third fixed pulley (53) is higher than the axis of actinobacillus wheel (54), the axis of actinobacillus wheel (54) is higher than the axis of second fixed pulley (52), second fixed pulley (52) and third fixed pulley (53) all are provided with the track that a plurality of confession heart yearns revolute, the diameter of second fixed pulley (52), third fixed pulley (53) and actinobacillus wheel (54) is the same, the diameter of first fixed pulley (51) is greater than the diameter of second fixed pulley (52).

5. The power cable pay-off rack of claim 1, wherein: install pay off rack (3) that are used for installing drawing drum (2) on base (1), pay off rack (3) are including first unwrapping wire arm (32) and second unwrapping wire arm (33), first unwrapping wire arm (32) and second unwrapping wire arm (33) are parallel to each other and set up, drawing drum (2) are installed between first unwrapping wire arm (32) and second unwrapping wire arm (33), adjusting device (4) that are used for carrying out loading and unloading to drawing drum (2) and elevating gear (7) that control drawing drum (2) go up and down are installed in drawing drum (3), elevating gear (7) are installed in the tip of second unwrapping wire arm (33).

6. The power cable pay-off rack of claim 5, wherein: the adjusting device (4) comprises a driving shaft (41) and a rotating shaft (42), the driving shaft (41) penetrates through a first pay-off arm (32) and is rotatably connected with the first pay-off arm (32), one end of the driving shaft (41) close to a second pay-off arm (33) is fixedly connected with a first jack portion (43) matched with one end of a shaft hole (21) in an inserting mode, the rotating shaft (42) penetrates through the second pay-off arm (33), an external thread is arranged on the rotating shaft (42), the rotating shaft (42) is in threaded connection with the second pay-off arm (33), the central axes of the rotating shaft (42) and the driving shaft (41) are superposed, a gap is formed between the rotating shaft (42) and the driving shaft (41), one end of the rotating shaft (42) far away from the driving shaft (41) is fixedly connected with a handle (45), one end of the rotating shaft (42) close to the driving shaft (41) is fixedly connected with a second jack portion (44) matched, the central axes of the first and second insertion holes (43, 44) overlap.

7. The power cable pay-off rack of claim 6, wherein: drive driving shaft (41) pivoted driving piece (8) are installed to the one end that second unwrapping wire arm (33) was kept away from in driving shaft (41), driving piece (8) are including driving pulley (81), driven pulley (82) and driving belt (83), motor (84) are installed in pay off rack (3), the output shaft and driving pulley (81) fixed connection of motor (84), driven pulley (82) fixed connection is in the one end that second unwrapping wire arm (33) was kept away from in driving shaft (41), carry out power transmission through driving belt (83) between driving pulley (81) and driven pulley (82).

8. The power cable pay-off rack of claim 5, wherein: the pay-off rack (3) further comprises a balance arm (31), the first pay-off arm (32) is fixedly connected with the second pay-off arm (33) through the balance arm (31), the lifting device (7) comprises a fixing seat (73), a screw rod (74) and a hinge block (75) hinged to the end of the second pay-off arm (33), the hinge axis of the hinge block (75) is parallel to the central axis of the rotating shaft (42), the fixing seat (73) is fixedly connected to the base (1), the screw rod (74) penetrates through the hinge block (75) and is fixedly connected with the fixing seat (73), the central axis of the screw rod (74) is perpendicular to the central axis of the rotating shaft (42), one end, far away from the fixing seat (73), of the screw rod (74) is fixedly connected with a hand wheel (76), the base (1) is fixedly connected with a hinge seat (71), and the hinge seats (71) are two, the pay-off rack (3) is hinged to the hinge seat (71), the hinge axis of the pay-off rack (3) is parallel to the hinge axis of the rotating shaft (42), the hinge axis of the hinge block (75) is parallel to the hinge axis of the rotating shaft (42), and the hinge axis of the rotating shaft (42) is closer to the hinge axis of the hinge block (75) than the hinge axis of the pay-off rack (3).

9. The power cable pay-off rack of claim 8, wherein: articulated seat (71) include articulated shaft (713) and support sheet (712) that are fixed in base (1), support sheet (712) perpendicular to base (1), two support sheet (712) parallel arrangement relatively, first unwrapping wire arm (32) and second unwrapping wire arm (33) bottom be fixedly connected with articulated piece (72) respectively, articulated piece (72) and support sheet (712) are run through respectively at the both ends of articulated shaft (713), articulated shaft (713) and articulated piece (72) rotate the connection, articulated shaft (713) and support sheet (712) fixed connection, articulated piece (72) and support sheet (712) parallel arrangement.

10. The power cable pay-off rack of claim 1, wherein: the guide device (10) comprises a guide column (101), a limiting seat (102) and a sliding block (103), the limiting seat (102) is fixedly connected to the bottom of the portal frame (9), one end of the guide column (101) is fixedly connected to the top of the portal frame (9), the other end of the guide column (101) is fixedly connected to the upper surface of the limiting seat (102), the sliding block (103) penetrates through the guide column (101) and is in sliding connection with the guide column (101), and the third fixed pulley (53) is rotatably connected to a third fixed shaft (104);

the first spacing bulge loop (105) of both ends fixedly connected with on the length direction of guide post (101), guide post (101) cover is equipped with first spring (106) and second spring (107), the one end fixed connection of first spring (106) is in first spacing bulge loop (105) that are close to spacing seat (102), the first gasket of other end fixedly connected with (108) of first spring (106), first gasket (108) sliding connection is in guide post (101), the one end fixed connection of second spring (107) is in sliding block (103) upper surface, the other end fixedly connected with second gasket (109) of second spring (107), second gasket (109) sliding connection is in guide post (101).