CN112061877A - Wind generating set power cable winding and winding-off device and winding-off method - Google Patents
Wind generating set power cable winding and winding-off device and winding-off method Download PDFInfo
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- CN112061877A CN112061877A CN202010945656.6A CN202010945656A CN112061877A CN 112061877 A CN112061877 A CN 112061877A CN 202010945656 A CN202010945656 A CN 202010945656A CN 112061877 A CN112061877 A CN 112061877A
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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
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
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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
- B65H55/00—Wound packages of filamentary material
- B65H55/02—Self-supporting packages
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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
- B65H55/00—Wound packages of filamentary material
- B65H55/04—Wound packages of filamentary material characterised by method of winding
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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
- B65H61/00—Applications of devices for metering predetermined lengths of running material
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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
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
- B65H63/082—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to a predetermined size or diameter of the package
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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
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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Abstract
The invention discloses a winding and unwinding device and a winding and unwinding method for a power cable of a wind generating set, wherein the winding and unwinding device for the power cable of the wind generating set comprises a support frame and a power mechanism, a rotary drum for winding a cylindrical cable is also rotatably connected to the support frame, the rotary drum is vertically arranged on the support frame, the power mechanism is in transmission connection with the rotary drum in a matched manner, and a limiting and blanking mechanism for limiting, supporting and blanking the cylindrical cable is also arranged at the bottom of the rotary drum. The power cable can be coiled into a cylinder from bottom to top, the requirement of quick laying is met, the labor intensity of power cable operators is reduced, the working efficiency is improved, and the loss caused by offline errors is reduced.
Description
Technical Field
The invention relates to a cable winding and unwinding device and a winding and unwinding method, in particular to a power cable winding and unwinding device and a winding and unwinding method for a wind generating set, and belongs to the technical field of power cable winding of wind generating sets.
Background
The power cable of the wind generating set is generally divided into a cabin twisting cable and a tower tube fixed laying cable, wherein the cabin twisting cable is used for connecting the generator and the tower tube fixed laying cable. Because fan assembly accomplishes the back, the cabin space is narrow and small, and inconvenient power cable wiring of carrying on, consequently the cabin is turned round the cable and all can carry out the pre-wiring: one section is laid in the frame, and the other section is coiled on the frame. The number of the single power cable is different from 20 to 30, and a plurality of cables need to be stacked. The coiled mode of the power cable coil is required to be that the power cable coil is coiled from bottom to top layer by layer and coiled into a cylinder shape, so that a section of cable on the coiled power cable can be quickly laid in the rack after the coiled power cable is hung on the fan rack.
However, in the current manufacturing process of the power cable of the wind generating set, the power cable is manually wound into a disc shape from inside to outside instead of being wound into a cylindrical shape from bottom to top, so that the wound disc-shaped cable cannot meet the requirement of quick laying.
In addition, the labor intensity of the power cable manufacturing process is high, the working efficiency is low, the winding diameters are different, the wound cable drums are different in appearance and inconvenient to stack, the power cables need to be cut according to fixed lengths, professional measuring equipment is not needed, the power cables are only taken off line by an off-line worker who visually observes the length marks printed on the cables, the accuracy is low, errors are easy to occur in operation, the power cables can only be scrapped once the errors occur, and the loss is large.
After searching, the patent documents which are the same as or similar to the technical scheme of the application are not found for a while, and only the following related patent documents are found:
the utility model discloses a take-up and pay-off device for an unmanned aerial vehicle, which comprises a wire guiding mechanism and a wire winding mechanism which are matched, wherein the number of the authorized bulletin is CN205187514U, and the date of the authorized bulletin is 2016, 4 and 27, and a cable connected with the unmanned aerial vehicle is transmitted by the wire guiding mechanism and then wound on the wire winding mechanism; the wire guiding mechanism comprises a first driving part and a wire guiding wheel assembly, the cable is in contact with the wire guiding wheel assembly, and the first driving part drives the wire guiding wheel assembly to rotate so as to drive the cable to transmit; the winding mechanism comprises a winding drum and a winding rod assembly, wherein the wire end of the winding rod assembly rotates around the outer circumference of the winding drum, and a cable transmitted by the wire mechanism contacts with the wire end of the winding rod assembly and winds on the outer side wall of the winding drum under the rotary guide of the wire end.
The Chinese patent with the publication number of CN108083109A and the publication number of 2018, 5 and 29 discloses a cable winding system, which comprises a cable containing frame, wherein a cable winding mechanism is arranged in the cable containing frame, and a cable guide device is arranged on a frame opening of the cable containing frame; the cable winding mechanism comprises a conical winding post, the conical top of the winding post faces upwards, the lower surface of the bottom of the cable containing frame is provided with a driving motor, and the output end of the driving motor extends upwards into the cable containing frame and then is connected with the winding post through a spline; the cable guiding device comprises an annular sliding rail which is fixedly installed on a frame opening of the cable containing frame, an electric trolley is arranged on the sliding rail, a cable guiding rod is arranged on the electric trolley along the radial direction of the frame opening of the cable containing frame, and a cable guiding ring is arranged on the cable guiding rod.
The technical solutions in the above patent documents are different from and dissimilar to those in the present application.
In conclusion, how to design a winding and unwinding device and a winding and unwinding method for a power cable of a wind generating set to enable the power cable to be coiled into a cylindrical shape from bottom to top meets the requirement of quick laying, reduces the labor intensity of power cable operators, improves the working efficiency, and reduces the loss caused by the error of unwinding is an urgent technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a winding and unwinding device and a winding and unwinding method for a power cable of a wind generating set, which can coil the power cable into a cylinder from bottom to top, meet the requirement of quick laying, reduce the labor intensity of power cable operators, improve the working efficiency and reduce the loss caused by the error of unwinding.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a wind generating set power cable wire winding, offline device, includes support frame and power unit, still rotates on the support frame to be connected with the rotary drum that is used for the coiling tube-shape cable conductor, the rotary drum sets up on the support frame along vertical, and power unit is connected with the rotary drum cooperation transmission, still is provided with the spacing unloading mechanism that is used for carrying out spacing support and unloading to the tube-shape cable conductor in the bottom of rotary drum.
Preferably, the rotary drum is in a cone frustum shape, the large head end of the rotary drum faces upwards, and the small head end of the rotary drum faces downwards; the support frame is provided with a limiting rod which is positioned at the big end of the truncated cone-shaped rotary drum.
Preferably, a driving wheel with an encoder component is further arranged on the supporting frame; before winding, one end of the power cable penetrates through the driving wheel and then is placed on the limiting blanking mechanism.
Preferably, the limiting blanking mechanism comprises a plurality of clamping jaws, a plurality of clamping jaw hinge seats are arranged on the bottom of the rotary drum, each clamping jaw hinge seat is correspondingly hinged with one clamping jaw, a notch is formed in each clamping jaw hinge seat, each clamping jaw is hinged in the notch of each clamping jaw hinge seat, one end of each clamping jaw after being hinged is located in the notch of each clamping jaw hinge seat, and the other end of each clamping jaw is exposed out of the bottom of the rotary drum; the bottom of the rotary drum is also provided with a chassis frame extension part, and one end of each clamping jaw is connected with the chassis frame extension part through a tension spring;
the bottom of the rotary drum and the positions of the jaw hinge seats are also rotatably connected with a limiting control mechanism for limiting or releasing the limiting of the jaws; the plurality of claws can be in a horizontal opening state through the limiting control mechanism so as to support the cylindrical cable wire or be in an inclined folding state so as to feed the cylindrical cable wire.
Preferably, the limiting control mechanism comprises a limiting turntable, the limiting turntable is positioned at one end close to the clamping jaw, and a plurality of slots are formed in the limiting turntable along the circumferential direction, so that a limiting bump is formed between every two adjacent slots; when the cylindrical cable is in a limiting support state, the plurality of clamping jaws are in a horizontally opened state, the limiting turntable is rotated to enable each limiting lug on the limiting turntable to be shielded above one end of one clamping jaw, and the limiting lug on the limiting turntable is in contact with one end of the clamping jaw to limit one end of the clamping jaw, so that the clamping jaw is always in a horizontally opened state; when carrying out the unloading to the tube-shape cable conductor, rotate spacing carousel for every fluting on the spacing carousel is located the top position of the one end of a jack catch, receives under the action of gravity of tube-shape cable conductor in the other end of jack catch this moment, the jack catch will rotate around the pin joint, thereby make the jack catch be slope folded state, the tube-shape cable conductor begins to drop the unloading, at this moment, the extension spring is in tensile state, after the tube-shape cable conductor that the coiling is good all drops the unloading, under the restoring force effect of extension spring, the jack catch will be in the level and open the state again.
Preferably, a synchronous turntable is fixedly connected to the lower position of the limiting turntable, a first limiting groove and a second limiting groove are formed in the two opposite sides of the limiting turntable respectively, a first locating rod and a second locating rod are arranged on the bottom surface of the rotary drum, and the first locating rod and the second locating rod are located in the first limiting groove and the second limiting groove respectively; the first limiting groove is matched with the first positioning rod, and the second limiting groove is matched with the second positioning rod, so that the plurality of clamping jaws are limited or relieved.
The invention also discloses a winding and inserting method of the wind generating set power cable winding and inserting device, wherein the wind generating set power cable winding and inserting device comprises a support frame and a power mechanism, the support frame is also rotatably connected with a rotary drum for winding the cylindrical cable, the rotary drum is vertically arranged on the support frame, the power mechanism is matched and in transmission connection with the rotary drum, and the bottom of the rotary drum is also provided with a limiting and inserting mechanism for limiting, supporting and inserting the cylindrical cable;
the winding and off-line method comprises the steps of firstly controlling a limiting blanking mechanism to be in a limiting state, placing one end of a power cable on the limiting blanking mechanism, then starting a power mechanism to drive a rotary drum to rotate, and winding the power cable on the outer peripheral surface of the rotary drum from bottom to top along with the rotation of the rotary drum to form a cylindrical cable; after the winding is finished, the other end of the power cable is cut off, and then the limiting blanking mechanism is controlled to release the limiting on the cylindrical cable, so that the wound cylindrical cable falls off from the rotary drum for blanking.
Preferably, the rotary drum is in a cone frustum shape, the large head end of the rotary drum faces upwards, and the small head end of the rotary drum faces downwards; a limiting rod is arranged on the supporting frame and is positioned at the large end of the truncated cone-shaped rotary drum; during the coiling, place the one end of power cable conductor earlier on the spacing unloading mechanism of the microcephaly department of frustum form rotary drum, then control frustum form rotary drum and rotate, power cable conductor can be from up winding down on the outer peripheral face of frustum form rotary drum, when power cable conductor winding to with the gag lever post contact, receive the resistance of gag lever post, the multilayer power cable conductor of winding on the outer peripheral face of frustum form rotary drum can be extrusion contact downwards to make between the multilayer power cable conductor contact in the same place of closing.
Preferably, the limiting blanking mechanism comprises a plurality of clamping jaws, a plurality of clamping jaw hinge seats are arranged on the bottom of the rotary drum, each clamping jaw hinge seat is correspondingly hinged with one clamping jaw, a notch is formed in each clamping jaw hinge seat, each clamping jaw is hinged in the notch of each clamping jaw hinge seat, one end of each clamping jaw after being hinged is located in the notch of each clamping jaw hinge seat, and the other end of each clamping jaw is exposed out of the bottom of the rotary drum; the bottom of the rotary drum is also provided with a chassis frame extension part, and one end of each clamping jaw is connected with the chassis frame extension part through a tension spring; the bottom of the rotary drum and the positions of the jaw hinge seats are also rotatably connected with a limiting control mechanism for limiting or releasing the limiting of the jaws; the limiting control mechanism comprises a limiting turntable, the limiting turntable is positioned at one end close to the clamping jaw, and a plurality of slots are formed in the limiting turntable along the circumferential direction, so that a limiting bump is formed between every two adjacent slots; when the cylindrical cable is in a limiting support state, the plurality of clamping jaws are in a horizontally opened state, the limiting turntable is rotated to enable each limiting lug on the limiting turntable to be shielded above one end of one clamping jaw, and the limiting lug on the limiting turntable is in contact with one end of the clamping jaw to limit one end of the clamping jaw, so that the clamping jaw is always in a horizontally opened state; when carrying out the unloading to the tube-shape cable conductor, rotate spacing carousel for every fluting on the spacing carousel is located the top position of the one end of a jack catch, receives under the action of gravity of tube-shape cable conductor in the other end of jack catch this moment, the jack catch will rotate around the pin joint, thereby make the jack catch be slope folded state, the tube-shape cable conductor begins to drop the unloading, at this moment, the extension spring is in tensile state, after the tube-shape cable conductor that the coiling is good all drops the unloading, under the restoring force effect of extension spring, the jack catch will be in the level and open the state again.
Preferably, a synchronous turntable is fixedly connected to the lower position of the limiting turntable, a first limiting groove and a second limiting groove are formed in the two opposite sides of the limiting turntable respectively, a first locating rod and a second locating rod are arranged on the bottom surface of the rotary drum, and the first locating rod and the second locating rod are located in the first limiting groove and the second limiting groove respectively;
when the synchronous turntable rotates along with the limiting turntable, a limiting state of the clamping jaw is formed by the contact of the first positioning rod and one side edge of the first limiting groove and the contact of the second positioning rod and one side edge of the second limiting groove; when the synchronous turntable reversely rotates along with the limiting turntable, the limiting state of the clamping jaw is released by utilizing the contact of the first positioning rod and the other side edge of the first limiting groove and the contact of the second positioning rod and the other side edge of the second limiting groove.
The invention has the beneficial effects that: according to the invention, the vertical rotary drum with the power mechanism is arranged, and the power cable can be wound on the outer peripheral surface of the rotary drum from bottom to top to form a cylindrical cable instead of being wound into a disc shape from inside to outside, so that the requirement of quick laying is met; in addition, the limiting blanking mechanism is arranged at the bottom of the vertical rotary drum, so that the limiting blanking mechanism plays a role of limiting and supporting when the power cable is wound, after the cylindrical cable is wound and the other end of the cylindrical cable is cut off to form an independent cylindrical cable, the limiting blanking mechanism releases a limiting state, the cylindrical cable falls off from the rotary drum under the action of gravity to perform blanking, the labor intensity of power cable operators is reduced, the working efficiency is improved, and the loss caused by offline error is reduced. Through the shape design to the rotary drum and the cooperation design between rotary drum and the gag lever post to make once can the coiling more multilayer power cable conductor on the rotary drum. Through being provided with the drive wheel that has the encoder subassembly, can predetermine down the line length like this, reach appointed length back automatic stop dish line and report to the police, reduce down the wrong problem of line length and take place. By the design of the limiting blanking mechanism, the invention can utilize the limiting blanking mechanism to play a limiting supporting role on the power cable during winding so as to normally carry out winding work, and after the winding is finished, the limiting blanking mechanism is utilized to remove the limiting support on the wound cylindrical cable so as to automatically carry out blanking.
Drawings
FIG. 1 is a schematic front view of a winding and unwinding device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1 at the location of the drive motor;
FIG. 3 is a schematic view of a partial front view of a winding and unwinding device for winding according to an embodiment of the present invention;
FIG. 4 is a schematic top view of the position relationship between the rotating drum and the limiting rod of the winding and winding off-line device in the embodiment of the present invention;
FIG. 5 is a schematic partial perspective view of a winding and unwinding device according to an embodiment of the present invention;
FIG. 6 is a schematic view of a partial structure of the position-limiting blanking mechanism in FIG. 1;
FIG. 7 is a partial perspective view of the spacing turntable of FIG. 5;
FIG. 8 is an enlarged view of portion A of FIG. 1;
FIG. 9 is a first schematic diagram illustrating the winding and winding-off device according to the embodiment of the present invention;
FIG. 10 is a schematic view illustrating a second principle of the winding and winding-off device according to the embodiment of the present invention;
FIG. 11 is a third schematic view of the winding and winding-off device according to the embodiment of the present invention;
FIG. 12 is a schematic view of a partial three-dimensional structure of the winding and winding device at the synchronous turntable according to the embodiment of the present invention;
in the figure: 1. the device comprises a support frame, a 111 left upright post, a 112 right upright post, a 113 crossbeam, a 2 power mechanism, a 211 a driving motor, a 3 revolving drum, a 311 top plate frame, a 312 bottom plate frame, a 3121 bottom plate frame extension part, a 313 connecting rod, a 4 limiting blanking mechanism, a 411 jaw, a 5 chain wheel I, a 6 rotating shaft, a 7 upper bearing seat, a 8 lower bearing seat, a 9 chain wheel II, a 10 chain, a 11 limiting rod, a 114 limiting rod I, a 115 limiting rod II, a 12 cable wire, a 13 a driving wheel with an encoder component, a 14 jaw hinge seat, a 15 pin shaft, a 16 tension spring, a 17 limiting turntable, a 171 slot, a 172 limiting lug, a 18 rotating shaft, a 19 blanking operating lever, a 20 synchronous turntable, a 21 limiting groove I, a 22 limiting groove II, 23. and a first positioning rod, a 24 positioning rod and a second positioning rod.
Detailed Description
The technical solution of the present invention is further explained in detail with reference to the accompanying drawings and specific embodiments.
Example (b): as shown in fig. 1, a wind generating set power cable winding and winding off device comprises a support frame 1 and a power mechanism 2 arranged on the support frame 1, wherein a rotary drum 3 used for winding a cylindrical cable is further rotatably connected to the support frame 1, the rotary drum 3 is vertically arranged on the support frame 1, the power mechanism 2 is in transmission connection with the rotary drum 3 in a matching manner, and a limiting blanking mechanism 4 used for limiting and supporting and blanking the cylindrical cable is further arranged at the bottom of the rotary drum 3. During operation, spacing unloading mechanism 4 is in spacing state so that live the tube-shape cable conductor support that the coiling is good, place the one end of power cable conductor on spacing unloading mechanism 4, because wind generating set's power cable conductor is heavier, the power cable conductor will fall on spacing unloading mechanism under the effect of self gravity, then open power unit 2 and drive rotary drum 3 and rotate, the power cable conductor will begin to form the tube-shape cable conductor along with the rotation of rotary drum 3 from up winding down on the outer peripheral face of rotary drum, here, also can be through the manual work earlier with power cable conductor several circles of winding on the rotary drum outer peripheral face before beginning to rotate the winding, restart power unit. After the cylindrical cable is formed, the other end of the power cable is cut off, and then the limiting blanking mechanism 4 is controlled to release the limiting on the cylindrical cable, so that the wound cylindrical cable falls off from the rotary drum 3 for blanking. In the embodiment, the vertical rotary drum with the power mechanism is arranged, and the power cable can be wound on the outer peripheral surface of the rotary drum from bottom to top to form the cylindrical cable instead of being wound into a disc shape from inside to outside, so that the requirement of quick laying is met; in addition, the limiting blanking mechanism is arranged at the bottom of the vertical rotary drum, so that the limiting blanking mechanism plays a role of limiting and supporting when the power cable is wound, after the cylindrical cable is wound and the other end of the cylindrical cable is cut off to form an independent cylindrical cable, the limiting blanking mechanism releases a limiting state, the cylindrical cable falls off from the rotary drum under the action of gravity to perform blanking, the labor intensity of power cable operators is reduced, the working efficiency is improved, and the loss caused by offline error is reduced.
As shown in fig. 1 and 2, the support frame 1 is in a gantry shape, and includes a left upright 111, a right upright 112, and a cross beam 112 disposed between the left upright 111 and the right upright 112. The power mechanism 2 comprises a driving motor 211, a first chain wheel 5 is mounted on an output shaft of the driving motor 211, the drum 3 is rotatably connected to the cross beam 113 through a rotating shaft 6 arranged at the top end part and a bearing seat in a matching manner, in the embodiment, the bearing seat comprises an upper bearing seat 7 and a lower bearing seat 8, and the upper bearing seat 7 and the lower bearing seat 8 are both arranged on the cross beam 113. And a second chain wheel 9 is installed on the rotating shaft 6, and the second chain wheel 9 is in matched transmission connection with the first chain wheel 5 through a chain 10.
As shown in fig. 3 and 4, the rotating cylinder 3 has a truncated cone shape with a large end facing upward and a small end facing downward, and has an inverted truncated cone shape. A limiting rod 11 is arranged on the support frame 1, and the limiting rod 11 is positioned at the large head end of the truncated cone-shaped rotary drum 3. During the coiling, place the one end of power cable conductor 12 on the spacing unloading mechanism 4 of the microcephaly department of circular truncated cone form rotary drum 3 earlier, then rotate circular truncated cone form rotary drum 3, power cable conductor 12 can be from up winding on the outer peripheral face of circular truncated cone form rotary drum 3 down, when power cable conductor 12 twines to when contacting with gag lever post 11, because gag lever post 11 is immovable, receive gag lever post 11's resistance, the multilayer power cable conductor 12 of winding on the outer peripheral face of circular truncated cone form rotary drum 3 can be extrusion contact downwards, thereby make between the multilayer power cable conductor 12 contact in the same place in close proximity, can not leave the clearance between adjacent power cable conductor layer and the layer, thereby make the power cable conductor that once can coil more multilayer on circular truncated cone form rotary drum 3. In the present embodiment, two limiting rods 11 are provided, namely a first limiting rod 114 and a second limiting rod 115, and the first limiting rod 114 and the second limiting rod 115 are respectively located at two opposite sides of the large head end of the truncated cone-shaped rotating cylinder 3.
As shown in fig. 3, a driving wheel 13 with an encoder component is also arranged on the support frame 1, before starting winding, one end of a power cable 12 firstly passes through the driving wheel 13 with the encoder component and then is placed on the limit blanking mechanism 4 at the small end of the truncated cone-shaped rotary drum 3, when winding, the power cable 12 is transmitted to the truncated cone-shaped rotary drum 3 (not shown in the figure) through the driving wheel 13 with the encoder component, so that an operator firstly sets the length of the cable to be fed through a controller, the power cable passes through the driving wheel in the encoder component and is placed on the limit blanking mechanism 4, a starting device starts coiling the cable, when the power cable moves, the encoder is driven to rotate, the encoder component converts the moving length information of the power cable into a pulse signal and feeds back to the controller, and after reaching the designated length, the controller outputs a control signal to a driving motor, and stopping coiling, and finishing coiling after an operator cuts the power cable. Therefore, the offline length can be preset, the coiling can be automatically stopped and an alarm can be given after the offline length reaches the specified length, and the problem of offline length error is reduced.
As shown in fig. 5, the rotating drum 3 comprises a top disc frame 311, a bottom disc frame 312 and a plurality of connecting rods 313 arranged between the top disc frame 311 and the bottom disc frame 312, the diameter of the top disc frame 311 is larger than that of the bottom disc frame 312, and inverted cone frustums are formed among the plurality of connecting rods 313, the bottom disc frame 312 and the top disc frame 311, so that the rotating drum with a frame structure can reduce the whole weight of the rotating drum.
As shown in fig. 6, the limit blanking mechanism 4 can be designed into an automatic jaw shape, and when the limit blanking mechanism is in a limit state, a plurality of jaws 411 of the limit blanking mechanism are in a horizontally opened state and are used for supporting the cylindrical cable 12; when blanking, the plurality of claws 411 are in an inclined folded state (as shown in the dotted line in fig. 6), and at this time, the plurality of claws 411 are folded to no longer support the cylindrical cable 12, so that the cylindrical cable 12 automatically falls off under the action of its own gravity.
For further clarification, the applicant simplifies the drawing to clarify how the jaws 411 are automatically switched between the limit state and the limit release state, and as shown in fig. 7 and 8, a jaw hinge seat 14 is arranged on the bottom of the rotary drum, namely the chassis frame 312, a notch is formed in the jaw hinge seat 14, the jaws 411 are hinged in the notches of the jaw hinge seat 14 through a pin shaft 15, one end of each jaw 411 is located in the notch of the jaw hinge seat 14, the other end of each jaw 411 is exposed out of the bottom of the rotary drum 3, and the power cable 12 is in supporting contact with the other end of the jaw 411 exposed out of the bottom of the rotary drum; a chassis frame extension 3121 is further provided at the bottom of the chassis frame 312, one end of the jaw 411 and the chassis frame extension 3121 are connected by a tension spring 16, and when the jaw 411 is in a limiting state, i.e., a horizontally opened state, the tension spring 16 is in an original state, i.e., an unstretched state. At this time, since the power cable 12 itself is heavy, in order to allow the other end of the pawl 411 to support the power cable 12, a limiting rotary table 17 is also rotatably connected to the bottom of the rotary drum and positioned at the jaw hinge base 14, the limiting rotary table 17 is positioned at one end close to the jaws 411, a plurality of slots 171 are formed in the limit dial 17 in the circumferential direction, so that limit projections 172 are formed between adjacent slots 171, when the claws 411 are in a limiting state, i.e. a horizontally opened state, the limiting turntable 17 is rotated, so that the limiting lugs 172 on the limiting turntable 17 are shielded at the upper position of one end of the claws 411, when the power cable 12 is placed at the other end of the jaw 411, the limiting lug on the limiting turntable 17 is contacted with one end of the jaw 411 to limit one end of the jaw 411, so that the jaw 411 is always in a limiting state, namely a horizontally opened state; when the limit state of the jaw 411 needs to be released, as long as the limit turntable 17 is rotated, the slot 171 on the limit turntable 17 is located above one end of the jaw 411, at this time, because the position above one end of the jaw 411 is not blocked, the other end of the jaw 411 is under the action of the gravity of the power cable 12, the jaw 411 rotates around the pin shaft 15, so that the jaw 411 is in an inclined folding state, at this time, the tension spring 16 is in a stretching state, and after the wound tubular cable 12 completely falls off and is blanked, the jaw 411 is in a horizontal unfolding state under the action of the restoring force of the tension spring 16.
As shown in fig. 9, in this embodiment, before winding, the limiting turntable 17 is rotated to make the limiting blanking mechanism 4 in a limiting state, at this time, the plurality of jaws 411 are in a horizontally opened state, one end of the power cable 12 is placed on the jaws 411, the driving motor is then started to rotate the drum 3, the power cable 12 starts to wind on the outer circumferential surface of the drum 3, after the cylindrical cable 12 with the required offline length is wound, the driving motor stops working to stop the drum 3, the other end of the power cable 12 is cut off, and then automatic blanking is performed; during blanking, the limiting turntable 17 releases the limiting state of the plurality of claws 411, as shown in fig. 10, after the plurality of claws 411 release the limiting state, under the action of the self gravity of the tubular cable 12, the other ends of the plurality of claws 411 start to rotate around the hinge point under the action of the self gravity of the tubular cable 12, and are in a furled state, and at this time, the tension spring 16 is in a stretched state; after the cylindrical cable 12 is completely separated from the jaws and the drum, as shown in fig. 11, the jaws 411 are no longer under the action of the self gravity of the cylindrical cable 12, under the action of the restoring force of the tension spring 16, the other ends of the jaws 411 start to rotate around the hinge point in the opposite direction, finally the jaws 411 are restored to be in a horizontal opening state and return to the original position, and then the limiting turntable 17 is rotated, so that the limiting blanking mechanism 4 is in a limiting state again, the next winding operation is performed again, and the operation is circulated until all winding operations are completed.
The rotation of the limiting rotary disc 17 can be achieved in various ways, in this embodiment, by rotating a rotating shaft disposed on the limiting rotary disc 17, as shown in fig. 2 and 5, one end of the rotating shaft 18 is fixedly connected to the limiting rotary disc 17, and the other end of the rotating shaft 18 upwardly passes through the top disc frame 311 and the rotating shaft 6 and then is exposed out of the cross beam 113, in this embodiment, in order to facilitate the rotating shaft 18 to pass through the rotating shaft 6, therefore, the rotating shaft 6 is designed as a hollow rotating shaft. A discharging lever 19 is provided at the other end of the rotating shaft 18 exposed to the cross member 113. When the limit turntable 17 needs to be rotated, the rotation can be directly realized by rotating the blanking operating rod 19.
In addition, the rotation states of the limiting rotary disc 17 are only two in practice, namely, the limiting state and the limitation releasing state, in order to accurately position the two positions in the rotation process, so that the limiting rotary disc 17 can be rapidly switched between the two states, in this embodiment, as shown in fig. 6 and 12, a synchronous rotary disc 20 is further fixedly connected to the lower position of the limiting rotary disc 17, a first limiting groove 21 and a second limiting groove 22 are respectively formed on the two opposite sides of the limiting rotary disc 20, a first positioning rod 23 and a second positioning rod 24 are further arranged on the bottom surface of the chassis frame 312, and the first positioning rod 23 and the second positioning rod 24 are respectively located in the first limiting groove 21 and the second limiting groove 22; when the synchronous turntable 20 rotates along with the limiting turntable 20, a limiting state is formed by contacting a first locating rod 23 with one side edge of a first limiting groove 21 and a second locating rod 24 with one side edge of a second limiting groove 22, namely, a limiting lug on the limiting turntable 17 is contacted with one end of the clamping jaw 411 to limit one end of the clamping jaw 411, so that the clamping jaw 411 is always in a limiting state, namely, a horizontally opened state; when the synchronous turntable 20 rotates reversely with the limit turntable 20, the limit releasing state is formed by the contact of the first locating rod 23 and the other side of the first limit groove 21 and the contact of the second locating rod 24 and the other side of the second limit groove 22, that is, the open slot 171 on the limit turntable 17 is located above one end of the claw 411, and at this time, the claw 411 is in the contact limit state because the upper position of one end of the claw 411 is not blocked.
In conclusion, the vertical rotary drum with the power mechanism is arranged, and the power cable can be wound on the outer peripheral surface of the rotary drum from bottom to top to form a cylindrical cable instead of being wound into a disc shape from inside to outside, so that the requirement of quick laying is met; in addition, the limiting blanking mechanism is arranged at the bottom of the vertical rotary drum, so that the limiting blanking mechanism plays a role of limiting and supporting when the power cable is wound, after the cylindrical cable is wound and the other end of the cylindrical cable is cut off to form an independent cylindrical cable, the limiting blanking mechanism releases a limiting state, the cylindrical cable falls off from the rotary drum under the action of gravity to perform blanking, the labor intensity of power cable operators is reduced, the working efficiency is improved, and the loss caused by offline error is reduced. Through the shape design to the rotary drum and the cooperation design between rotary drum and the gag lever post to make once can the coiling more multilayer power cable conductor on the rotary drum. Through being provided with the drive wheel that has the encoder subassembly, can predetermine down the line length like this, reach appointed length back automatic stop dish line and report to the police, reduce down the wrong problem of line length and take place. By the design of the limiting blanking mechanism, the invention can utilize the limiting blanking mechanism to play a limiting supporting role on the power cable during winding so as to normally carry out winding work, and after the winding is finished, the limiting blanking mechanism is utilized to remove the limiting support on the wound cylindrical cable so as to automatically carry out blanking.
The term "plurality" as used in this embodiment means a number of "two or more". The above embodiments are provided for illustrative purposes only and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should fall within the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (10)
1. The utility model provides a wind generating set power cable wire winding, offline device, includes support frame and power unit, its characterized in that: still rotate to be connected with the rotary drum that is used for the coiling tube-shape cable conductor on the support frame, the rotary drum sets up on the support frame along vertical, and power unit is connected with the rotary drum cooperation transmission, still is provided with the spacing unloading mechanism that is used for carrying out spacing support and unloading to the tube-shape cable conductor in the bottom of rotary drum.
2. The wind generating set power cable winding and unwinding device according to claim 1, characterized in that: the rotary drum is in a cone frustum shape, the large head end of the rotary drum faces upwards, and the small head end of the rotary drum faces downwards; the support frame is provided with a limiting rod which is positioned at the big end of the truncated cone-shaped rotary drum.
3. The wind generating set power cable winding and unwinding device according to claim 2, characterized in that: a driving wheel with an encoder component is also arranged on the supporting frame; before winding, one end of the power cable penetrates through the driving wheel and then is placed on the limiting blanking mechanism.
4. The wind generating set power cable winding and unwinding device according to claim 1, 2 or 3, characterized in that: the limiting blanking mechanism comprises a plurality of clamping jaws, a plurality of clamping jaw hinge seats are arranged on the bottom of the rotary drum, each clamping jaw hinge seat is correspondingly hinged with one clamping jaw, a notch is formed in each clamping jaw hinge seat, each clamping jaw is hinged in the notch of each clamping jaw hinge seat, one end of each clamping jaw after being hinged is located in the notch of each clamping jaw hinge seat, and the other end of each clamping jaw is exposed out of the bottom of the rotary drum; the bottom of the rotary drum is also provided with a chassis frame extension part, and one end of each clamping jaw is connected with the chassis frame extension part through a tension spring;
the bottom of the rotary drum and the positions of the jaw hinge seats are also rotatably connected with a limiting control mechanism for limiting or releasing the limiting of the jaws; the plurality of claws can be in a horizontal opening state through the limiting control mechanism so as to support the cylindrical cable wire or be in an inclined folding state so as to feed the cylindrical cable wire.
5. The wind generating set power cable winding and unwinding device according to claim 4, characterized in that: the limiting control mechanism comprises a limiting turntable, the limiting turntable is positioned at one end close to the clamping jaw, and a plurality of slots are formed in the limiting turntable along the circumferential direction, so that a limiting bump is formed between every two adjacent slots; when the cylindrical cable is in a limiting support state, the plurality of clamping jaws are in a horizontally opened state, the limiting turntable is rotated to enable each limiting lug on the limiting turntable to be shielded above one end of one clamping jaw, and the limiting lug on the limiting turntable is in contact with one end of the clamping jaw to limit one end of the clamping jaw, so that the clamping jaw is always in a horizontally opened state; when carrying out the unloading to the tube-shape cable conductor, rotate spacing carousel for every fluting on the spacing carousel is located the top position of the one end of a jack catch, receives under the action of gravity of tube-shape cable conductor in the other end of jack catch this moment, the jack catch will rotate around the pin joint, thereby make the jack catch be slope folded state, the tube-shape cable conductor begins to drop the unloading, at this moment, the extension spring is in tensile state, after the tube-shape cable conductor that the coiling is good all drops the unloading, under the restoring force effect of extension spring, the jack catch will be in the level and open the state again.
6. The wind generating set power cable winding and unwinding device according to claim 5, characterized in that: a synchronous turntable is fixedly connected to the lower position of the limiting turntable, a first limiting groove and a second limiting groove are formed in the two opposite sides of the limiting turntable respectively, a first locating rod and a second locating rod are arranged on the bottom surface of the rotary drum, and the first locating rod and the second locating rod are located in the first limiting groove and the second limiting groove respectively; the first limiting groove is matched with the first positioning rod, and the second limiting groove is matched with the second positioning rod, so that the plurality of clamping jaws are limited or relieved.
7. A winding and unwinding method of a wind generating set power cable winding and unwinding device is characterized in that: the winding and winding-off device of the power cable of the wind generating set comprises a support frame and a power mechanism, wherein a rotary drum for winding the cylindrical cable is rotatably connected to the support frame, the rotary drum is vertically arranged on the support frame, the power mechanism is in transmission connection with the rotary drum in a matching manner, and a limiting and blanking mechanism for limiting and supporting and blanking the cylindrical cable is further arranged at the bottom of the rotary drum;
the winding and off-line method comprises the steps of firstly controlling a limiting blanking mechanism to be in a limiting state, placing one end of a power cable on the limiting blanking mechanism, then starting a power mechanism to drive a rotary drum to rotate, and winding the power cable on the outer peripheral surface of the rotary drum from bottom to top along with the rotation of the rotary drum to form a cylindrical cable; after the winding is finished, the other end of the power cable is cut off, and then the limiting blanking mechanism is controlled to release the limiting on the cylindrical cable, so that the wound cylindrical cable falls off from the rotary drum for blanking.
8. The winding and unwinding method according to claim 7, wherein: the rotary drum is in a cone frustum shape, the large head end of the rotary drum faces upwards, and the small head end of the rotary drum faces downwards; a limiting rod is arranged on the supporting frame and is positioned at the large end of the truncated cone-shaped rotary drum; during the coiling, place the one end of power cable conductor earlier on the spacing unloading mechanism of the microcephaly department of frustum form rotary drum, then control frustum form rotary drum and rotate, power cable conductor can be from up winding down on the outer peripheral face of frustum form rotary drum, when power cable conductor winding to with the gag lever post contact, receive the resistance of gag lever post, the multilayer power cable conductor of winding on the outer peripheral face of frustum form rotary drum can be extrusion contact downwards to make between the multilayer power cable conductor contact in the same place of closing.
9. The winding and unwinding method according to claim 7, wherein: the limiting blanking mechanism comprises a plurality of clamping jaws, a plurality of clamping jaw hinge seats are arranged on the bottom of the rotary drum, each clamping jaw hinge seat is correspondingly hinged with one clamping jaw, a notch is formed in each clamping jaw hinge seat, each clamping jaw is hinged in the notch of each clamping jaw hinge seat, one end of each clamping jaw after being hinged is located in the notch of each clamping jaw hinge seat, and the other end of each clamping jaw is exposed out of the bottom of the rotary drum; the bottom of the rotary drum is also provided with a chassis frame extension part, and one end of each clamping jaw is connected with the chassis frame extension part through a tension spring; the bottom of the rotary drum and the positions of the jaw hinge seats are also rotatably connected with a limiting control mechanism for limiting or releasing the limiting of the jaws; the limiting control mechanism comprises a limiting turntable, the limiting turntable is positioned at one end close to the clamping jaw, and a plurality of slots are formed in the limiting turntable along the circumferential direction, so that a limiting bump is formed between every two adjacent slots; when the cylindrical cable is in a limiting support state, the plurality of clamping jaws are in a horizontally opened state, the limiting turntable is rotated to enable each limiting lug on the limiting turntable to be shielded above one end of one clamping jaw, and the limiting lug on the limiting turntable is in contact with one end of the clamping jaw to limit one end of the clamping jaw, so that the clamping jaw is always in a horizontally opened state; when carrying out the unloading to the tube-shape cable conductor, rotate spacing carousel for every fluting on the spacing carousel is located the top position of the one end of a jack catch, receives under the action of gravity of tube-shape cable conductor in the other end of jack catch this moment, the jack catch will rotate around the pin joint, thereby make the jack catch be slope folded state, the tube-shape cable conductor begins to drop the unloading, at this moment, the extension spring is in tensile state, after the tube-shape cable conductor that the coiling is good all drops the unloading, under the restoring force effect of extension spring, the jack catch will be in the level and open the state again.
10. The winding and unwinding method of claim 9, wherein: a synchronous turntable is fixedly connected to the lower position of the limiting turntable, a first limiting groove and a second limiting groove are formed in the two opposite sides of the limiting turntable respectively, a first locating rod and a second locating rod are arranged on the bottom surface of the rotary drum, and the first locating rod and the second locating rod are located in the first limiting groove and the second limiting groove respectively;
when the synchronous turntable rotates along with the limiting turntable, a limiting state of the clamping jaw is formed by the contact of the first positioning rod and one side edge of the first limiting groove and the contact of the second positioning rod and one side edge of the second limiting groove; when the synchronous turntable reversely rotates along with the limiting turntable, the limiting state of the clamping jaw is released by utilizing the contact of the first positioning rod and the other side edge of the first limiting groove and the contact of the second positioning rod and the other side edge of the second limiting groove.
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| CN202010945656.6A CN112061877B (en) | 2020-09-10 | 2020-09-10 | Wind generating set power cable winding and winding-off device and winding-off method |
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| CN202010945656.6A CN112061877B (en) | 2020-09-10 | 2020-09-10 | Wind generating set power cable winding and winding-off device and winding-off method |
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