CN113120692A - Cable pay-off device with constant tension - Google Patents
Cable pay-off device with constant tension Download PDFInfo
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- CN113120692A CN113120692A CN202110494306.7A CN202110494306A CN113120692A CN 113120692 A CN113120692 A CN 113120692A CN 202110494306 A CN202110494306 A CN 202110494306A CN 113120692 A CN113120692 A CN 113120692A
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- rotating frame
- paying
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- 230000008859 change Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
- B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention relates to a cable pay-off device with constant tension, which comprises a wire coil rotating frame, wherein a pay-off driving group is arranged on the front side of the wire coil rotating frame and comprises pay-off rotating frames on the left side and the right side, a lower driving roller is rotatably connected to the lower side of the pay-off rotating frame, one end of the lower driving roller is connected with a pay-off motor, and an upper driving roller which can move up and down and is rotatably connected to the pay-off rotating frame is arranged above the lower driving roller. This device can guarantee that the unwrapping wire speed of cable is invariable, and then makes cable tension stable, and possesses the receipts line function.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation line erection auxiliary devices, in particular to a cable pay-off device with constant tension.
Background
In the construction of an electric power system, the erection construction of cables is an important link in the whole project, the cables are usually wound on the outer side of a cylindrical wire coil frame to form a cable coil in order to facilitate transportation and subsequent use when leaving a factory, and after the cable coil is transported to a construction site, the coiled cables need to be paid off and stretched firstly.
During cable unwrapping wire construction among the prior art, the normal way is to wear to establish a pivot in cable drum's axis department, and the pivot both ends are worn out cable drum and are propped up by rotating the support, make whole cable drum be unsettled state, and rethread pulling equipment holds the cable end and moves along setting up the circuit, and cable drum realizes unwrapping wire when revolving the pivot rotation.
According to the regulations of the construction operation instruction of stringing (SDXL-ZW-09), the electric power line engineering above 330KV needs to adopt tension for paying off, and an optical cable or a lead cannot be dragged to the ground in the paying off process. Tension pay-off among the prior art is generally for initiatively unwrapping wire, and cable drum directly passes through motor drive rotation promptly, and along with the reduction of cable on the cable drum, the external diameter that cable was rolled up on the cable drum also diminishes thereupon, and then makes the constant condition of cable drum rotational speed transfer line speed slow down gradually, and when pulling equipment pulling force or pulling speed were unchangeable, cable tension crescent, influences the tensile stability of cable.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides the cable pay-off device with constant tension, which can ensure the constant pay-off speed of the cable and further stabilize the tension of the cable.
The invention is realized by the following technical scheme:
the utility model provides a invariable cable pay-off of tension, includes the drum revolving rack, drum revolving rack front side is equipped with unwrapping wire drive group, unwrapping wire drive group includes the unwrapping wire rotating turret of the left and right sides, drive roller under the rotatable coupling of unwrapping wire rotating turret downside, drive roller one end is connected with the unwrapping wire motor down, the drive roller top is equipped with down can reciprocate and rotatable coupling in the last drive roller of unwrapping wire rotating turret down.
Preferably, the pay-off rotating frame is provided with a rotating block sliding groove in the vertical direction, an upper roller rotating block is connected in the rotating block sliding groove in a sliding manner, and the end part of the upper driving roller is rotatably connected to the upper roller rotating block; the top of the rotating block sliding groove is in threaded connection with a threaded lead screw, and the lower end of the threaded lead screw is rotatably connected with the upper roller rotating block.
Preferably, the outer side surfaces of the lower driving roller and the upper driving roller are provided with corresponding pay-off grooves.
Preferably, the wire coil rotating frame comprises rotating frame bottom rods on the left side and the right side, and a plurality of rotating frame rollers are rotatably connected to the top of each rotating frame bottom rod.
Preferably, the rear end of the bottom rod of the rotating frame is provided with a power-assisted slope.
Preferably, the front end of the top surface of the bottom rod of the rotating frame is connected with a front stop lever capable of moving back and forth, and the rear side of the top of the front stop lever is rotatably connected with a stop lever rotating roller.
Preferably, one side of the bottom rod of the rotating frame is connected with a take-up motor, and the take-up motor is connected to the stop lever rotating roller through a belt transmission group.
Preferably, a front slot is formed in the rear end of the rotating frame bottom rod, a paying-off bottom rod is connected in the front slot in a sliding mode, a paying-off bottom plate is connected to the upper portion of the front end of the paying-off bottom rod, and the paying-off rotating frame is connected to the top surface of the paying-off bottom plate.
Preferably, a connecting rod is connected between the left and right side bottom rods of the rotating frame and is in sliding connection with the bottom rods of the rotating frame; the paying-off bottom rod is connected with the paying-off bottom plate in a sliding mode in the left-right direction.
Preferably, a wire smoothing assembly is arranged on the front side of the pay-off driving group and comprises a wire smoothing frame, a wire smoothing block is rotatably connected above the wire smoothing frame, and wire smoothing holes with the same diameter as the cables are formed in the front and back directions of the wire smoothing block.
The invention has the beneficial effects that:
1. the drum revolving rack front side is equipped with unwrapping wire drive group, and unwrapping wire drive group is including the unwrapping wire revolving rack of the left and right sides, and drive roller under the rotatable coupling of unwrapping wire revolving rack downside, lower drive roller one end are connected with the unwrapping wire motor, and lower drive roller top is equipped with and can reciprocate and rotatable coupling in the last drive roller of unwrapping wire revolving rack. Cable drum rotatable coupling is on the drum revolving rack, during the use, adjust the drive roller from top to bottom, make the cable on the cable drum pass down between drive roller and the last drive roller and keep frictional contact, after starting the unwrapping wire motor, lower drive roller and last drive roller constantly forward at the uniform velocity propelling movement cable, the cable constantly rotates the unwrapping wire at the cable drum this moment, the speed that the cable was unwrapped wire is the same with the pulling equipment moving speed in the place ahead to the forward propelling movement, consequently keep the initial set tension always, cable tension more stable, can not change because of the cable is winding external diameter change on the cable drum.
2. The pay-off rotating frame is provided with a rotating block sliding groove in the vertical direction, an upper roller rotating block is connected in the rotating block sliding groove in a sliding mode, and the end portion of an upper driving roller is rotatably connected to the upper roller rotating block; the top of the rotating block sliding groove is in threaded connection with a threaded screw rod, and the lower end of the threaded screw rod is rotatably connected with the upper roller rotating block. When the gap between the upper driving roller and the lower driving roller needs to be adjusted, the adjustment can be realized only by simultaneously rotating the threaded screw rods on the two sides, so that the operation is simpler, and the position adjustment is more accurate; meanwhile, the gap between the upper driving roller and the lower driving roller is adjusted to adapt to the paying-off of cables with different diameters.
3. Corresponding unwrapping wire groove has all been seted up to the lateral surface of lower drive roller and last drive roller, and the cable is pressed from both sides at the unwrapping wire inslot, through the both sides face and the cable frictional contact of unwrapping wire groove, the cable can not make unwrapping wire speed change because of controlling the off tracking when the forward conveying unwrapping wire like this, and than cable and lower drive roller, go up drive roller direct contact face big, and conveying efficiency is high, the influence unwrapping wire speed of skidding is difficult for appearing.
4. The drum revolving rack comprises a revolving rack bottom rod on the left side and a revolving rack bottom rod on the right side, a plurality of revolving rack rollers are rotatably connected to the top of the revolving rack bottom rod, the cable drum is directly placed on the revolving rack rollers, the cable drum can rotate for paying off under the traction force in front of the cable drum, a rotating shaft does not need to be arranged on the cable drum in a penetrating mode, the cable drum is placed on the drum revolving rack in a hanging mode through the rotating shaft, the steps are fewer, and the operation is simpler.
5. The helping hand slope has been seted up to revolving rack sill bar rear end, directly pushes away the cable drum to the revolving rack roller of revolving rack sill bar through the helping hand slope on, more laborsaving.
6. The front end of the top surface of the bottom rod of the rotary frame is connected with a front stop lever capable of moving back and forth, the rear side of the top of the front stop lever is rotatably connected with a stop lever rotating roller, the cable drum enables the cable drum to rotate on the rotary frame roller to realize paying-off through a front traction force and a cable to be pulled at a constant speed, the rotatable stop of the front end of the cable drum is achieved through the stop lever rotating roller, and the cable drum can not slide off from the front side of the bottom rod of the rotary frame due to stress when paying-off, so that normal paying-off.
7. The utility model discloses a take-up motor, including a rotating frame, a rotating frame bottom bar, a stop lever roller, a line motor, a line.
8. The front slot is arranged at the rear end of the rotating frame bottom rod, the paying-off bottom rod is connected in the front slot in a sliding mode, the paying-off bottom plate is connected above the front end of the paying-off bottom rod, and the paying-off rotating frame is connected to the top surface of the paying-off bottom plate. The distance between unwrapping wire drive group and the cable drum can be adjusted as required like this, moreover when this device can be with unwrapping wire sill bar receive in the slot before idle, the volume is littleer, and it is more convenient to carry.
9. The connecting rod is connected between the rotating frame bottom rods on the left side and the right side, the connecting rod is connected with the rotating frame bottom rods in a sliding mode, the paying-off bottom rods are connected with the paying-off bottom plates in the left-right direction in a sliding mode, the distance between the rotating frame bottom rods on the left side and the right side can be adjusted, and therefore the cable coil placing device can be suitable for cable coils of different width models.
10. The front side of the pay-off driving group is provided with a wire smoothing assembly, the wire smoothing assembly comprises a wire smoothing frame, a wire smoothing block is rotatably connected above the wire smoothing frame, and wire smoothing holes with the same diameter as the cables are formed in the front and back directions of the wire smoothing block. The cable may have a certain hard bend, and when the cable is paid off or taken up, the cable can be automatically straightened after passing through the wire smoothing holes in the wire smoothing block, manual sequence-changing straightening is not needed, labor and time are saved, and working efficiency is improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention.
FIG. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic perspective view of the first embodiment of the present invention.
Fig. 5 is a schematic perspective view of the present invention.
Fig. 6 is a three-dimensional schematic view of the present invention.
FIG. 7 is a schematic view of a pay-off driving set according to the present invention.
Fig. 8 is a partial enlarged view of a portion a in fig. 7.
Fig. 9 is a schematic structural view of the wire coil rotating frame in the invention.
In the figure, 1-wire coil rotating frame, 11-rotating frame bottom rod, 12-rotating frame roller, 13-boosting slope, 14-connecting rod, 15-stop rod chute, 16-front slot, 2-paying-off driving group, 21-paying-off rotating frame, 211-rotating block chute, 22-lower driving roller, 221-paying-off motor, 222-paying-off groove, 23-upper driving roller, 24-upper roller rotating block, 241-threaded screw rod, 242-sliding rail, 243-hand wheel, 25-paying-off bottom plate, 251-straight slot opening, 252-width adjusting bolt, 26-paying-off bottom rod, 3-front stop rod, 31-stop rod rotating roller, 32-stop rod screw rod, 4-taking-up motor, 41-belt conveying group, 42-motor plate, 5-wire-smoothing assembly, 51-wire-smoothing frame, 52-wire smoothing block, 53-wire smoothing hole, 531-wire smoothing round corner and 6-cable wire coil.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be further described with reference to the accompanying drawings.
Tension pay-off among the prior art is generally for initiatively unwrapping wire, and cable drum 6 directly rotates through motor drive and carries out the unwrapping wire promptly, because the pulling equipment in the place ahead not only will provide the pulling force that pulls the cable forward, but also will bear the tension of heavier cable, can share a part of the traction pressure of pulling equipment through cable drum 6's initiatively unwrapping wire. The requirement of the active paying-off speed of the cable drum 6 is the same as the traction speed of the traction equipment, so that the initial tension of the cable can be kept, however, along with the reduction of the cable on the cable drum 6, the outer diameter of the cable roll on the cable drum 6 is reduced, the linear speed is gradually reduced under the condition that the rotating speed of the cable drum is not changed, and when the tension or the traction speed of the traction equipment is not changed, the tension of the cable is gradually increased, and the tension stability of the cable is influenced.
Referring to fig. 1 to 9, the present invention is a cable pay-off device with constant tension, which can ensure constant pay-off speed of a cable and further stabilize the tension of the cable. The wire coil rotating frame comprises a wire coil rotating frame 1, wherein the wire coil rotating frame 1 is used for placing a cable wire coil 6, and the cable wire coil 6 can freely rotate on the wire coil rotating frame 1 when a cable is pulled by front traction force. The front side of the wire coil rotating frame 1 is provided with a wire releasing driving group 2, and the wire releasing driving group 2 is used for realizing uniform traction of a cable so as to realize constant tension wire releasing. The pay-off driving group 2 comprises pay-off rotating frames 21 on the left side and the right side, as shown in fig. 7, a lower driving roller 22 is rotatably connected to the lower side of the pay-off rotating frame 21, one end of the lower driving roller 22 is connected with a pay-off motor 221, and the lower driving roller 22 is driven to rotate by the pay-off motor 221; an upper driving roller 23 which can move up and down and can be rotatably connected to the paying-off rotating frame 21 is arranged above the lower driving roller 22, the cable is placed between the lower driving roller 22 and the upper driving roller 23, and the cable is driven to be pushed forwards at a constant speed along with the rotation of the lower driving roller 22 and the upper driving roller 23, so that the constant-tension paying-off of the cable is realized.
The pay-off rotating frame 21 on the left side and the pay-off rotating frame on the right side are respectively provided with a rotating block sliding groove 211 in the vertical direction, as shown in fig. 8, an upper roller rotating block 24 is connected in the rotating block sliding grooves 211 in a sliding manner, in order to ensure the smoothness and accuracy of the vertical sliding of the upper roller rotating block 24, a vertical sliding rail 242 is installed in the rotating block sliding grooves 211, the upper roller rotating block 24 is connected with the sliding rail 242 in a sliding fit manner, and the end parts of an upper driving roller 23 are respectively connected with the upper roller rotating blocks 24 on; the top threaded connection of the rotating block chute 211 has a threaded screw rod 241, the upper end of the threaded screw rod 241 is connected with a hand wheel 243, the lower end of the threaded screw rod 241 can be rotatably connected with the upper roller rotating block 24, the hand wheel 243 on two sides can be rotated to drive the threaded screw rod 241, the threaded screw rods 241 on two sides can be rotated to drive the left and right upper roller rotating blocks 24 to move downwards or upwards simultaneously, the up-and-down movement of the two upper roller rotating blocks 24 can drive the upper driving roller 23 to move up and down horizontally, and further the gap adjustment between the upper driving roller 23 and the lower driving roller 22 can be realized, so that the cable in the middle and the upper driving roller 23 are positioned, the lower driving roller 22 is in friction contact with.
In another mode, the hand wheel 243 can be replaced by a motor, the upper ends of the threaded screw rods 241 on the left side and the right side are connected with the motor, when the height of the upper driving roller 23 needs to be adjusted, the two motors act simultaneously, labor is saved, the rotating synchronism of the left threaded screw rod 241 and the right threaded screw rod 241 can be guaranteed, and the phenomenon of blocking is avoided.
The outer side surfaces of the lower driving roller 22 and the upper driving roller 23 are both provided with corresponding wire releasing grooves 222, as shown in fig. 8, in the embodiment, the wire releasing grooves 222 are trapezoidal section grooves, and the horn openings of the trapezoidal section grooves can adapt to the placement of cables with a larger diameter range. The cable is clamped in the wire releasing groove 222 and is in friction contact with the cable through two side surfaces of the wire releasing groove 222, so that the wire releasing speed cannot be changed due to left and right deviation when the cable is conveyed forwards for releasing; and the cable is larger than the direct contact surfaces of the cable, the lower driving roller and the upper driving roller, the transmission efficiency is high, and the cable is not easy to slip to influence the paying-off speed.
The wire coil revolving rack 1 comprises revolving rack bottom rods 11 on the left side and the right side, a plurality of revolving rack rollers 12 are rotatably connected to the tops of the revolving rack bottom rods 11, as shown in fig. 6 and 9, in the embodiment, the number of the revolving rack rollers 12 on each revolving rack bottom rod 11 is 2, when the cable coil 6 is placed on the wire coil revolving rack 1, two end faces of the cable coil 6 in the left and the right sides are respectively positioned on the corresponding left and right revolving rack bottom rods 11, the end faces of the cable coil 6 are clamped in the front and the rear revolving rack rollers 12, and the cable coil can be rotatably supported by the two revolving rack rollers 12, as shown in fig. 5. Directly like this place the cable drum 6 on the revolving rack roller 12, cable drum 6 just can rotate the unwrapping wire under the traction force of front, need not wear to establish the pivot and make the cable drum 6 unsettled place on the drum revolving rack through the pivot at cable drum 6, and the step is still less, operates simplyr.
Helping hand slope 13 has been seted up to 11 rear ends of revolving rack sill bars, directly pushes away cable drum 6 to the revolving rack roller 12 of revolving rack sill bar 11 through helping hand slope 13 on, more laborsaving, and need not be with the help of the assistance of power equipment such as cranes, two people promote just can realize putting on the shelf of cable drum 6.
The front end of the top surface of the bottom rod 11 of the rotary frame is connected with a front stop rod 3 capable of moving back and forth, specifically, as shown in fig. 9, the left and right sides of the front end of the bottom rod 11 of the rotary frame are provided with stop rod chutes 15, two ends of the front stop rod 3 are provided with stop rod screws 32 capable of sliding back and forth in the stop rod chutes 15, and after the front and rear positions of the front stop rod 3 are adjusted, the position of the front stop rod 3 is fixed by screwing fastening nuts on the stop rod screws 32; preceding pin 3 top rear side rotatable coupling has pin commentaries on classics roller 31, rotates the roller 31 through the pin and blocks the front side and the rotatable contact of cable drum 6, through the blocking of pin commentaries on classics roller 31 make cable drum 6 can not slide down because of the atress from revolving rack sill bar 11 front side when the unwrapping wire, and the rotatable contact of pin commentaries on classics roller 31 and 6 front sides of cable drum can not influence the pivoted smoothness nature of cable drum 6.
One side of the rotating frame bottom rod 11 is connected with a wire take-up motor 4, and the wire take-up motor 4 is connected to the stop lever rotating roller 31 through a belt transmission group 41. When needing to receive a wire, the front stop lever 3 is moved back and forth, the stop lever rotating roller 31 is in friction contact with the outer circular surfaces of two ends of the cable drum 6, the wire receiving motor 4 is started, the wire receiving motor 4 drives the stop lever rotating roller 31 to rotate through the belt transmission set 41, the stop lever rotating roller 31 can drive the cable drum 6 to rotate on the rotating frame roller 12 through friction force, the wire receiving of the cable is achieved through the rotation of the cable drum 6, the device can not only pay off, but also has the wire receiving function. An anti-slip rubber layer is arranged on the outer circular surface of the stop lever rotating roller 31, so that the cable drum 6 can be driven to rotate without slipping; the take-up motor 4 is fixed on a motor plate 42 below the take-up motor 4, and the motor plate 42 is slidably mounted on the inner side of the bottom rod 11 of the rotating frame, so that when the front stop lever 3 moves, the take-up motor 4 can also move along with the movement, and the normal work of the belt transmission group 41 is ensured.
The front slot 16 is opened to the revolving rack sill bar 11 rear end, and sliding connection has unwrapping wire sill bar 26 in the front slot 16, and unwrapping wire sill bar 26 front end top is connected with unwrapping wire bottom plate 25, and unwrapping wire revolving rack 21 is connected on unwrapping wire bottom plate 25 top surface. The distance between the pay-off driving group 2 and the cable drum 6 can be adjusted as required, and moreover, when the device is idle, the pay-off bottom rod 26 can be accommodated in the front slot 16, so that the device is smaller in size and more convenient to carry.
Connecting rods 14 are connected between the rotating frame bottom rods 11 on the left side and the right side, in the embodiment, the number of the connecting rods 14 is two, the connecting rods 14 are threaded rods, two fastening nuts are respectively connected to two ends of each connecting rod 14, and the connecting rods 14 are in sliding connection with the rotating frame bottom rods 11, so that the distance between the rotating frame bottom rods 11 on the left side and the right side can be adjusted, after the adjusting is completed, the positions of the connecting rods 14 on two sides of the rotating frame bottom rods 11 are fixed by screwing the fastening nuts on the connecting rods 14, and the cable coils 6 with different widths and models can be placed; the interval of the unwrapping wire sill bar 26 also can follow the change after 11 intervals of revolving rack sill bar change, in order to adapt to the interval change of unwrapping wire sill bar 26, sliding connection on the unwrapping wire sill bar 26 and the unwrapping wire bottom plate 25 left right side, it is specific, as shown in fig. 7, fixedly connected with transfers wide bolt 252 on the unwrapping wire sill bar 26, set up the straight flute mouth 251 that can hold and transfer wide bolt 252 on the unwrapping wire bottom plate 25, the length direction of straight flute mouth 251 is left right direction, just so can realize controlling the width regulation between the unwrapping wire sill bar 26, it can to screw up the fastening nut who transfers on the wide bolt 252 after adjusting.
The wire smoothing assembly 5 is arranged on the front side of the pay-off driving group 2, the wire smoothing assembly 5 comprises a wire smoothing frame 51, as shown in fig. 7 and 8, a wire smoothing block 52 is rotatably connected above the wire smoothing frame 51, wire smoothing holes 53 with the same diameter as the cables are formed in the front and back directions of the wire smoothing block 52, the cables may have certain hard bending, and when the cables are paid off or taken up, the cables can be automatically straightened after passing through the wire smoothing holes 53 in the wire smoothing block 52, manual sequence-changing straightening is not needed, labor and time are saved, and working efficiency is improved. In order to avoid cutting injury caused by steering, bending and entering when the cable enters and exits the wire smoothing hole 53, smooth wire following round corners 531 are arranged at the front end and the rear end of the wire smoothing hole 53.
The working process is as follows: when paying off, a worker pushes the cable coil 6 to the bottom rod 11 of the rotary frame by means of the power-assisted slope 13, so that the end surface of the cable coil 6 is clamped in the front rotary frame roller 12 and the rear rotary frame roller 12, and the cable coil 6 is rotatably supported by the two rotary frame rollers 12; the height of the upper driving roller 23 is adjusted by rotating the hand wheel 243, so that the cable on the cable drum 6 is in friction contact with the paying-off grooves 222 of the lower driving roller 22 and the upper driving roller 23; the cable passes through the wire smoothing hole 53 on the wire smoothing block 52 and is connected with the traction equipment in front; when the traction equipment is started, the paying-off motor 221 is started simultaneously, the lower driving roller 22 and the upper driving roller 23 continuously push the cables forwards at a constant speed, at the moment, the cables continuously rotate and pay off on the cable drum 6, and the forward pushing speed of the cables, namely the paying-off speed, is the same as the moving speed of the traction equipment in front, so that the initial set tension is always kept, and the constant-tension paying-off is realized; when the cable is required to be taken up, the front stop lever 3 is moved back and forth, so that the stop lever rotating roller 31 is in frictional contact with the outer circular surfaces of the two ends of the cable drum 6, the take-up motor 4 is started, the take-up motor 4 drives the stop lever rotating roller 31 to rotate through the belt transmission set 41, the stop lever rotating roller 31 can drive the cable drum 6 to rotate on the rotating frame roller 12 through frictional force, and the take-up of the cable is realized through the rotation of the cable drum 6.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention must be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be interpreted broadly, and may be connected or disconnected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
The above description is of the preferred embodiment of the present invention, and the description of the specific embodiment is only for better understanding of the idea of the present invention. It will be appreciated by those skilled in the art that various modifications and equivalents may be made in accordance with the principles of the invention and are considered to be within the scope of the invention.
Claims (10)
1. A cable pay-off device with constant tension comprises a wire coil rotating frame (1) and is characterized in that: the utility model discloses a pay-off control device for the wire coil, including drum revolving rack (1), drum revolving rack (1) front side is equipped with unwrapping wire drive group (2), unwrapping wire drive group (2) are including the unwrapping wire revolving rack (21) of the left and right sides, drive roller (22) under unwrapping wire revolving rack (21) downside rotatable coupling, drive roller (22) one end is connected with unwrapping wire motor (221) down, drive roller (22) top is equipped with can reciprocate and rotatable coupling is in last drive roller (23) of unwrapping wire revolving rack.
2. A constant tension cable payout device as defined in claim 1, wherein: a rotating block sliding groove (211) in the vertical direction is formed in the pay-off rotating frame (21), an upper roller rotating block (24) is connected in the rotating block sliding groove (211) in a sliding mode, and the end portion of the upper driving roller (23) is rotatably connected to the upper roller rotating block (24); the top of the rotating block sliding groove (211) is in threaded connection with a threaded screw rod (241), and the lower end of the threaded screw rod (241) is rotatably connected with the upper roller rotating block (24).
3. A constant tension cable payout device as defined in claim 2 wherein: and corresponding pay-off grooves (222) are formed in the outer side surfaces of the lower driving roller (22) and the upper driving roller (23).
4. A constant tension cable payout device as defined in claim 1 or claim 3, wherein: the wire coil rotating frame (1) comprises rotating frame bottom rods (11) on the left side and the right side, and a plurality of rotating frame rollers (12) are rotatably connected to the tops of the rotating frame bottom rods (11).
5. A constant tension cable payout device as defined in claim 4, wherein: the rear end of the rotating frame bottom rod (11) is provided with a power-assisted slope (13).
6. A constant tension cable payout device as defined in claim 5, wherein: the front end of the top surface of the rotating frame bottom rod (11) is connected with a front stop lever (3) capable of moving back and forth, and the rear side of the top of the front stop lever (3) is rotatably connected with a stop lever rotating roller (31).
7. A constant tension cable payout device as defined in claim 6, wherein: one side of the rotating frame bottom rod (11) is connected with a take-up motor (4), and the take-up motor (4) is connected with the stop lever rotating roller (31) through a belt transmission group (41).
8. A constant tension cable payout device as defined in claim 7 wherein: front slots (16) are formed in the rear ends of the rotating frame bottom rods (11), paying-off bottom rods (26) are connected in the front slots (16) in a sliding mode, a paying-off bottom plate (25) is connected to the upper portion of the front ends of the paying-off bottom rods (26), and the paying-off rotating frame (21) is connected to the top surface of the paying-off bottom plate (25).
9. A constant tension cable payout device as defined in claim 8 wherein: a connecting rod (14) is connected between the left and right side rotary frame bottom rods (11), and the connecting rod (14) is connected with the rotary frame bottom rods (11) in a sliding manner; the paying-off bottom rod (26) is connected with the paying-off bottom plate (25) in a sliding mode in the left-right direction.
10. A constant tension cable payout device as defined in claim 9 wherein: the paying-off driving group (2) front side is equipped with and smoothes out line subassembly (5), smooth out line subassembly (5) including smooth out line frame (51), smooth out line frame (51) top rotatable coupling with smooth out line piece (52), smooth out the line piece (52) and offer in the fore-and-aft direction with the cable with the footpath smooth out line hole (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494306.7A CN113120692A (en) | 2021-05-07 | 2021-05-07 | Cable pay-off device with constant tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494306.7A CN113120692A (en) | 2021-05-07 | 2021-05-07 | Cable pay-off device with constant tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113120692A true CN113120692A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110494306.7A Pending CN113120692A (en) | 2021-05-07 | 2021-05-07 | Cable pay-off device with constant tension |
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| Country | Link |
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| CN (1) | CN113120692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117842782A (en) * | 2024-03-08 | 2024-04-09 | 西安华联电力电缆有限公司 | Tension device for producing and installing fireproof cable and tension method thereof |
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Application publication date: 20210716 |
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