WO2021249574A1 - Véhicule de déroulement à tension constante modulaire - Google Patents

Véhicule de déroulement à tension constante modulaire Download PDF

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Publication number
WO2021249574A1
WO2021249574A1 PCT/CN2021/108913 CN2021108913W WO2021249574A1 WO 2021249574 A1 WO2021249574 A1 WO 2021249574A1 CN 2021108913 W CN2021108913 W CN 2021108913W WO 2021249574 A1 WO2021249574 A1 WO 2021249574A1
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WO
WIPO (PCT)
Prior art keywords
hydraulic
oil
wire
tension
pay
Prior art date
Application number
PCT/CN2021/108913
Other languages
English (en)
Chinese (zh)
Inventor
许建国
刘桐
任增堂
苗俊波
袁英杰
陈桀
李剑锋
张柏滔
唐立新
高越
崔达
周辰彦
Original Assignee
中铁电气化局集团有限公司石家庄机械装备分公司
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Publication of WO2021249574A1 publication Critical patent/WO2021249574A1/fr

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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
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/34—Arrangements for effecting positive rotation of packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
    • B60M1/22—Separate lines from which power lines are suspended, e.g. catenary lines, supporting-lines under tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/28—Manufacturing or repairing trolley lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/30—Swifts or skein holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/32—Stands or frameworks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/38—Skips, cages, racks, or containers, adapted solely for the transport or storage of bobbins, cops, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/28—Reciprocating or oscillating guides
    • 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
    • B65H59/005—Means compensating the yarn tension in relation with its moving due to traversing arrangements
    • 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
    • B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
    • B65H59/04—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support
    • 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
    • B65H59/381—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 using pneumatic or hydraulic means
    • 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
    • B65H59/40—Applications of tension indicators
    • 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
    • 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
    • B65H2701/35—Ropes, lines
    • 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
    • B65H2701/36—Wires

Definitions

  • the invention belongs to the technical field of railway support and erection, and relates to a catenary pay-off car, specifically a modular constant-tension pay-off car.
  • the supporting wire is a contact wire and load-bearing cable erected on the railway line.
  • the supporting wire needs to be erected on the wrist arm of the contact grid pole and maintain a certain tension.
  • the construction is carried out by the catenary operating vehicle. Because the supporting wire needs to be wound on the pay-off rack before erection, the supporting wire will bend and produce a curvature, and the existence of the supporting wire's own curvature will It produces intermittent ripples and forms an arc discharge, which will damage the electric locomotive and pose a safety hazard. Therefore, the supporting wire discharged from the winding frame needs to be tensioned by a tension applying device, that is, the supporting wire is straightened to ensure the safety of its power transmission.
  • the supporting wire in the prior art enters the tension applying device after coming out of the winding device, because the winding device and the tension applying device are fixed on the road flat car and cannot move, and the winding device is wider, and the two edges have A certain distance, so when paying off, the bearing wires at the two edges of the winding device cannot be aligned with the tension applying device. After the bearing wires are released, the bearing wires between the winding device and the tension applying device will have a certain tilt Angle, the supporting wire cannot enter the tension applying device vertically, causing serious abrasion between the supporting wires, reducing the quality of the supporting wires, and causing potential safety hazards;
  • the structure of the bracket in the prior art is complicated. When installing the winding device, the entire bracket needs to be disassembled and installed, which is time-consuming and labor-intensive, and the production cost is relatively high.
  • the various structures for paying out in the prior art are not only complicated in structure and too large in size, but once the car body or any structure of the pay out is damaged, it needs to be repaired as a whole, which is time-consuming and labor-intensive and increases the maintenance cost.
  • the electro-hydraulic control system applied on the domestic constant tension pay-off car is still immature, the engine power is large, the pollutant emission is high, the overall volume is large, and various failures are prone to occur during the working process.
  • the main control motor in the hydraulic control assembly generally drives multiple hydraulic oil pumps indirectly through the transfer case, and once the transfer case as the power transmission hub is damaged, the whole vehicle will be unable to work; the other one is connected to the hydraulic oil pump
  • the wiring of control valves and oil pipes is complicated, cumbersome and disorganized. After a fault occurs, the fault must be checked one by one before the corresponding maintenance can be carried out, which is time-consuming and labor-intensive; moreover, the pay-off trucks used in my country are imported equipment from foreign countries. If a certain part is damaged, it needs to be purchased from the original manufacturer, which not only wastes time, but also high maintenance costs.
  • the present invention aims to provide a modular constant tension pay-off car to achieve constant tension of the bearing wire during the pay-off process, automatically adjust the tension, and ensure that the wire is wound on the winding device.
  • a modular constant tension pay-off car includes a pay-off device fixed on a road flat car and a wire-carrying wire passing through in turn, a tension applying device, a wire post and a control device.
  • the pay-off device includes a bracket and a rotating connection.
  • a rotating shaft on the support, a winding device fixed on the rotating shaft for winding the bearing wire, a slide rail device and a hydraulic cylinder for moving the support along the slide rail device are fixed on the road flat car, so A hydraulic motor for driving the rotation of the shaft and providing tension for the winding device is fixed on the support, and the direction of force applied when the hydraulic motor provides tension for the winding device is opposite to the payout direction of the winding device;
  • It also includes a guiding device for detecting the position of the supporting wire and providing an action signal for the hydraulic cylinder;
  • the control device includes a generator set and a hydraulic control assembly; the hydraulic control assembly includes a signal control assembly and an oil storage device connected in sequence, at least one hydraulic oil pump, and an integrated valve group.
  • the hydraulic oil pump is driven by a main control motor.
  • the integrated valve group is respectively connected with the hydraulic motor, the hydraulic oil cylinder, and the second hydraulic motor in the tension applying device through pipelines, and the generator group is electrically connected with the main control motor and the signal control assembly through the power distribution cabinet.
  • the top of the bracket is detachably provided with a bearing seat
  • the bearing seat includes two upper and lower parts buckled with each other
  • the rotating shaft is rotatably connected to the bearing seat through a bearing.
  • the slide rail device includes two U-shaped channel steels arranged in parallel, bearing rollers fixed on both sides of the bracket, and limit blocks fixed on both sides of the bracket to guide the bearing rollers,
  • the bearing roller is arranged in the U-shaped channel steel and moves along the length direction of the U-shaped channel steel, and the stop block is in contact with the inner side surface of the U-shaped channel steel and is slidingly fitted with lubricant.
  • the road flat car is also fixedly provided with a guiding oil pipe
  • the guiding oil pipe includes an oil pipe fixed on the road flat car, an oil tube sleeved on the oil pipe, and the oil pipe is located
  • the part of the oil barrel is provided with oil holes, and the oil barrel is fixedly provided with a pipeline for supplying oil to the hydraulic motor
  • the guide oil pipe is provided with two oil pipes for the oil inlet and outlet of the hydraulic motor.
  • the outer wall is fixedly connected with the bracket and moves along the oil pipe.
  • the output shaft of the hydraulic motor is fixedly provided with a driving gear
  • the rotating shaft is fixedly provided with a driven gear meshing with the driving gear
  • the guide device includes a guide rail, a guide mechanism for carrying the wire to pass through through the sliding block and the guide rail, and a photoelectric sensor for detecting the position of the guide mechanism.
  • the guide mechanism includes at least two A first wire reel guide wheel arranged horizontally and at least two second wire reel guide wheels arranged vertically.
  • the first and second wire reel guide wheels are both rotatably connected to the guide mechanism.
  • the integrated valve group includes a plurality of electro-hydraulic proportional valves, an overflow valve connected to the outlet of the electro-hydraulic proportional valve, and a three-position four-way functional valve;
  • the electro-hydraulic proportional valve The control end of the device is electrically connected with the signal control assembly, and the three-position four-way functional valve is respectively connected with the hydraulic motor, the hydraulic oil cylinder, and the hydraulic motor in the tension applying device through the oil pipe.
  • the signal control component includes a signal sensor, an A/D conversion module, a PLC control module, and a D/A conversion module that are electrically connected in sequence;
  • the present invention has the following beneficial effects compared with the prior art:
  • the rotating shaft of the present invention is driven by a hydraulic motor.
  • the hydraulic motor applies a force opposite to the winding device's pay-off direction to the rotating shaft to increase the tension of the bearing wire during the pay-off process and realize the automatic tension of the bearing wire Adjust and keep the tension constant to increase the quality of the supporting wire; and the supporting wire from the winding device passes through the guiding device and enters the tension applying device.
  • the control device part of the present invention replaces the generator set with the engine in the original technology, which not only saves energy, reduces exhaust gas emissions, but also forms an autonomous discharge system.
  • the modularization of the line reduces the size, saves space, and is convenient for transportation; the control device of the present invention is a domestically developed equipment independently developed.
  • the generator set supplies power to the main control motor through the power distribution cabinet, and then the main control motor directly drives the hydraulic oil pump.
  • the power input structure of the hydraulic oil pump is changed, and the original transfer case control is changed to an electronic control form, which avoids the problem that the transfer case or the hydraulic oil pump is damaged and the whole vehicle cannot work. If the parts are damaged, they are easy to buy in the market.
  • the replacement has strong versatility and reduces maintenance costs; while the integrated valve block is used to control the oil circuit in the control system, and the original intricate and disorderly control valves and pipelines are integrated, which simplifies the pipelines and pipelines in the oil circuit.
  • the arrangement of the control valve makes maintenance easier and more convenient after failure;
  • the top of the bracket of the present invention is detachably provided with a bearing seat, and the rotating shaft is rotatably connected to the bearing seat.
  • the bearing seat is divided into two detachable upper and lower parts.
  • the upper part of the bearing seat can be directly installed. Partly disassemble, take off the shaft, put the pay-off device through the shaft, and then put the shaft on the bearing seat, buckle the upper part to complete the installation, make the installation and disassembly of the pay-off device simple and convenient, and save the installation of the pay-off device time;
  • the bracket of the present invention is equipped with bearing rollers and moves linearly along the U-shaped channel steel, which not only ensures the stability of the bracket rotation, but also simplifies the structure.
  • the side surface is in contact with the inner surface of the U-shaped channel steel through lubricant, so that the bracket passes through the limit block and is firmly clamped in the U-shaped channel steel, which can ensure the movement track of the bearing rollers to move along the U-shaped channel steel and prevent the bearing rollers There is deviation in the route, and the limit block and the inner surface of the U-shaped channel steel are equipped with lubricant, which reduces the sliding friction, can effectively reduce the noise and reduce the failure rate;
  • the guiding oil pipe of the present invention can not only play a guiding role on the support, but also make the pipe that supplies oil to the hydraulic motor move with the oil cylinder, avoid drag chain oil supply, and increase the service life of the pipe;
  • the output shaft of the hydraulic motor of the present invention is provided with a driving gear, which meshes with the driven gear on the shaft to rotate the shaft, which can effectively reduce the torsional stress of the shaft, distribute the torsion force to the gear with a larger diameter, and prevent winding
  • the quality of the line device is too large, which can damage the hydraulic motor or the rotating shaft, which can effectively increase the service life of the device;
  • the guiding mechanism of the present invention is slidably connected to the guide rail, and the supporting wire is located between the first wire reel guide wheel and the second wire reel guide wheel, so that the guiding mechanism can move with the position of the supporting wire, and the photoelectric sensor passes through Detect the position of the guiding mechanism, determine the position of the bearing wire on the winding device, and adjust the position of the winding device on the bracket to align with the tension applying device through the control device to make the moving device move.
  • the structure is simple and the detection is accurate;
  • the first spool guide wheel and the second spool guide wheel of the present invention are both rotatably connected to the guide mechanism, so that the sliding friction between the bearing wire and the two is turned into rolling friction, and the damage to the bearing wire is prevented;
  • the multiple valve seats of the present invention work together and adjust to increase the synergy, so that the control of each oil circuit in the control system is more precise and the action is more precise.
  • the present invention has high degree of automation, modularity, and small size, which can ensure constant tension, and automatically adjust tension according to actual conditions during the working process to ensure the quality of the line, long service life, convenient disassembly and assembly, and stable orientation. , Energy saving and emission reduction, less pollution to the environment, suitable for all catenary pay-off vehicles.
  • FIG. 1 is a schematic diagram of a front view of an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the three-dimensional structure of the device on the road flat car 13 according to the embodiment of the present invention
  • FIG. 3 is a schematic front view of the structure of a single pay-off device and a guide device 9 according to an embodiment of the present invention
  • FIG. 4 is a schematic top view of a single pay-off device and a guide device 9 according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the three-dimensional structure of the guiding device 9 according to the embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of the rotation direction of the winding device 5 and the hydraulic motor 17 according to the embodiment of the present invention.
  • FIG. 7 is a schematic diagram of the structure of the guide oil pipe 7 according to the embodiment of the present invention.
  • Fig. 8 is a control principle diagram of the overall control device according to an embodiment of the present invention.
  • Fig. 9 is a control principle diagram of the hydraulic part in the embodiment of the present invention.
  • a modular constant tension pay-off car includes a bracket 1 fixed on the road flat car 13, a rotating shaft 4 rotatably connected to the bracket 1, and fixed on the rotating shaft 4.
  • the winding device 5 for winding the supporting wire 10 the bracket 1 is composed of two parallel trapezoidal structures, the upper part is narrow and the lower part is wide, and the lower part is connected by a welded base 2 together.
  • the top of the bracket 1 is detachably provided with two bearing seats 3, the bearing seats 3 are respectively arranged on two trapezoidal structures arranged in parallel on the bracket 1, the rotating shaft 4 is rotatably connected to the bearing seat 3 through bearings, The two ends of the rotating shaft 4 are respectively arranged on two bearing seats 3.
  • the bearing housing 3 is an upper and lower part, which are buckled on the rotating shaft 4 with each other, and the two parts are fixedly connected by bolts, which facilitates the disassembly and assembly of the winding device 5 on the rotating shaft 4.
  • the winding device 5 is a pay-off reel in the prior art, and a diamond-shaped plate 11 is fixed on the rotating shaft 4, and the diamond-shaped plate 11 is located on either side of the pay-off reel and is fixedly connected by bolts.
  • the road flat car 13 is also fixedly provided with a tension applying device 12, a guiding device 9 and a wire column 20. Both the tension applying device 12 and the wire column 20 adopt the existing technology.
  • the lead wire 10 to be erected in this embodiment may be a contact wire or a force wire.
  • the road flat car 13 in this field is the prior art. The road flat car 13 moves forward, and the supporting wire 10 is laid out backward.
  • the road flat car 13 is fixedly provided with a slide rail device 8.
  • the bracket 1 can move left and right on the slide rail device 8.
  • the slide rail device 8 includes two U-shaped channel steels 81, and the U-shaped groove
  • the steel 81 is arranged in parallel on the road flat car 13, the opening directions of the two U-shaped channel steel 81 are arranged oppositely, and the length direction is consistent with the length direction of the rotating shaft 4.
  • Four bearing rollers 82 are fixed on both sides of the base 2 of the support 1 to support the support 1 and make it more stable during the movement.
  • Four limit blocks are fixed on the four corners of the support 1 83.
  • the side surface of the limit block 83 is in contact with the inner side surface of the U-shaped channel steel 81, and the two are slidingly fitted with lubricant to reduce friction and noise.
  • the lubricant in this embodiment is butter.
  • the bearing roller 82 and the limiting block 83 are both arranged in the U-shaped channel steel 81 and move along the length direction of the U-shaped channel steel 81.
  • the bearing roller 82 and the U-shaped channel steel 81 The bottom surface of the channel steel 81 contacts to make the support 1 move.
  • the stop block 83 contacts the inner surface of the U-shaped channel steel 81 to provide a guiding function for the bearing roller 82, so that the support 1 can only follow the U-shaped channel steel 81.
  • the inner wall of the groove moves to prevent the movement path of the bearing roller 82 from deviating from the U-shaped channel steel 81.
  • the bracket 1 of this embodiment is fixedly provided with a hydraulic cylinder 14.
  • the cylinder tube of the hydraulic cylinder 14 is fixedly connected with the base 2 of the bracket 1, and the piston rod of the hydraulic cylinder 14 is fixedly connected with the road flat car 13, when the hydraulic cylinder When the cylinder barrel of the oil cylinder 14 moves along the piston rod, it can drive the bracket 1 to move along the length direction of the U-shaped channel steel 81.
  • the support 1 is fixedly provided with a hydraulic motor 17 for driving the rotating shaft 4 to rotate, the output shaft of the hydraulic motor 17 is fixedly provided with a driving gear 18, and the rotating shaft 4 is fixedly provided with a driven gear engaged with the driving gear 18
  • the gear 19 is indirectly driven by the hydraulic motor 17 through the transmission gear to rotate the rotating shaft 4, which reduces the torsional stress of the rotating shaft 4, transfers the torsional stress on the rotating shaft 4 to the driven gear 19 with a larger diameter, and increases the rotating shaft 4 and hydraulic pressure.
  • the direction of applying force of the hydraulic motor 17 is opposite to that of the winding device 5, that is, the direction in which the output shaft of the hydraulic motor 17 rotates is opposite to the direction in which the rotating shaft 4 rotates when paying off, as shown in Figure 6
  • a is the direction in which the winding device 5 rotates
  • b is the direction in which the output shaft of the hydraulic motor 17 rotates.
  • the rotating shaft 4 rotates with the pulling force generated by the tension applying device 12.
  • the lead wire 10 can be discharged smoothly, and because the direction of rotation of the output shaft of the hydraulic motor 17 is opposite to the direction of rotation of the shaft 4, 4 applies a force in the opposite direction, so the supporting wire 10 between the winding device 5 and the tension applying device 12 generates tension, which is beneficial to the erection of the supporting wire 10.
  • the tension applying device 12 is provided with a tension sensor 24 for detecting the tension on the supporting wire 10 and feeding back the signal to the control device, so that the rotation speed of the hydraulic motor 17 can be changed in real time, and the tension on the supporting wire 10 can be kept constant.
  • the support 1 is fixedly provided with a guiding oil pipe 7 for supplying oil to the hydraulic motor 17.
  • the guiding oil pipe 7 includes an oil pipe 71 and an oil cylinder 72. Both ends of the oil pipe 71 are fixedly provided with supports. It is fixed on the road flat car 13, and the two ends of the oil pipe 71 are fixed.
  • the oil pipe 71 is sleeved with an oil barrel 72.
  • the sealing method of 14 is the same.
  • the part of the oil pipe 71 located in the oil barrel 72 is provided with an oil hole 15, and the oil barrel 72 is fixedly provided with a pipe 16 for supplying oil to the hydraulic motor 17.
  • the outer wall of the oil pipe 71 is fixedly connected to the bracket 1, so that the oil cylinder 72 moves with the bracket 1, the pipe 16 passes through the base 2 of the bracket 1, and a valve is provided on the base 2, and the pipe 16 follows the bracket 1 move.
  • This embodiment also includes a guiding device 9 for detecting the position of the supporting wire 10 and providing an action signal for the hydraulic cylinder 14.
  • the guide device 9 includes a guide rail, a guide mechanism slidably connected to the guide rail through a sliding block 93, and a photoelectric sensor 99 for detecting the position of the guide mechanism.
  • the guide rail includes a first guide rail 91 and a second guide rail 92.
  • a slider 93 is slidably connected to the first guide rail 91 and the second guide rail 92. Both ends of the first guide rail 91 and the second guide rail 92 pass
  • a guide rail fixing plate 90 is installed on the bolts, and the guide rail fixing plate 90 is fixed on the road flat car 13 so that the first guide rail 91 and the second guide rail 92 are higher than the road flat car 13 and adapt to the height of the supporting wire 10 .
  • the sliding block 93 is fixedly provided with a guiding mechanism, and the guiding mechanism includes a bottom plate 94 fixed on the sliding block 93, a vertical plate 95 fixed on the bottom plate 94, and a vertical plate 95 that is not connected to the bottom plate.
  • the top plate 96 at one end of 94 is horizontally rotatably connected with two first spool guide wheels 97 between the two vertical plates 95, and three second spool guide wheels 98 are vertically rotatably connected between the bottom plate 94 and the top plate 96,
  • the first wire reel guide wheel 97 and the second wire reel guide wheel 98 form two rows of front and rear, which are used to allow the wire 10 to pass through the gap.
  • a photoelectric sensor 99 is fixed between the first guide rail 91 and the second guide rail 92 to detect the position of the guide device 9.
  • the guiding mechanism will move to the edge position with the supporting wire 10, and the photoelectric sensor 99 detects the position of the guiding mechanism to determine that the bracket 1 needs to move to the left or right, so that the outlet position of the supporting wire 10 is the same as
  • the tension applying device 12 is aligned.
  • the photoelectric sensor 99 transmits the collected position information of the guiding mechanism to the control device, and the control device makes the hydraulic cylinder 14 drive the support 1 to perform corresponding movement.
  • the control device includes a generator set 25 and a hydraulic control assembly.
  • the hydraulic control component is used to control the flow and pressure of the hydraulic oil in the hydraulic actuator (the hydraulic motor 17, the hydraulic cylinder 14, the guide oil pipe 7, the second hydraulic motor 6 in the tension applying device 12) to control the hydraulic motor 17, the hydraulic cylinder 14.
  • the hydraulic energy that can be converted by the guide oil pipe 7 and the second hydraulic motor 6 in the tension applying device 12 is adjusted.
  • the hydraulic control component includes a signal control component and an oil storage device 22, a hydraulic oil pump, and an integrated valve set 26 that are connected in sequence. As shown in FIG. Motor power supply; the main control motor directly drives the hydraulic oil pump to provide power for the hydraulic oil pump, so that the hydraulic oil pump flows the hydraulic oil in the oil storage device 22 to the corresponding hydraulic actuator.
  • the hydraulic energy is converted into mechanical energy to provide power for hydraulic actuators.
  • the hydraulic oil pump is the power source of the entire hydraulic system and can meet the pressure and flow requirements of the hydraulic system.
  • the oil inlet of the hydraulic oil pump is in communication with the oil storage device 22, and the oil outlet is respectively connected to the hydraulic motor 17, the hydraulic cylinder 14, the guide oil pipe 7, and the tension applying device 12 through the integrated valve block 26 and the oil circuit.
  • the two hydraulic motors 6 are connected to provide corresponding hydraulic energy for the hydraulic actuator. Due to the large number of hydraulic actuators in the entire hydraulic system, in order to appropriately reduce the workload of the hydraulic control components and avoid damage to the device, in this embodiment, there are three main control motors and five hydraulic oil pumps.
  • the integrated valve group 26 is arranged in the pipeline between the hydraulic oil pump and the hydraulic actuator, and is used to control the flow and pressure of the hydraulic oil in the pipeline.
  • the integrated valve group 26 includes a plurality of electro-hydraulic proportional valves 21, an overflow valve and a three-position four-way functional valve connected to the outlet of the electro-hydraulic proportional valve 21; wherein, the electro-hydraulic proportional valve 21
  • the control end of the proportional valve 21 is electrically connected with the signal control assembly, and the oil outlet of the three-position four-way function valve is respectively connected with the hydraulic motor 17, hydraulic cylinder 14, guide oil pipe 7, and the second of the tension applying device 12 in the hydraulic actuator.
  • the hydraulic motor 6 is in communication, and the relief valve is used to control the overall pressure of the hydraulic system.
  • the setting of the integrated valve group 26 can reduce the use of pipelines in the oil circuit, and the overall structure is simple and clear, which can clearly display the oil circuit controlled by each electro-hydraulic proportional valve 21, and can be easily and quickly checked and repaired after a fault occurs. .
  • the signal control component detects and controls the flow rate and pressure of each oil circuit of the hydraulic system in real time, so as to adjust the tension applied to the bearing wire 10.
  • the signal control component includes a signal sensor, an A/D conversion module, a PLC control module, and a D/A conversion module electrically connected in sequence.
  • the signal sensor converts the analog signal into a digital signal by the A/D conversion module and transmits it to the PLC control module.
  • the PLC control module After the PLC control module performs internal program calculations, the calculation result is converted into an analog signal by the D/A conversion module.
  • the signal amplifier feeds back to the corresponding electro-hydraulic proportional valve 21, so that the flow and pressure of the hydraulic oil in the oil circuit are controlled through the electro-hydraulic proportional valve 21.
  • the signal sensor mainly includes a photoelectric sensor 99, an oil pressure sensor 23 and a tension sensor 24.
  • the photoelectric sensor is located below the guide device 9 and is used to detect the position of the guide device 9 driven by the lead wire 10;
  • the oil pressure sensor 23 is located at the outlet of the relief valve and is used to detect the flow of hydraulic oil in each oil circuit. Pressure;
  • the tension sensor 24 is provided on the tension applying device 12, and is used to detect the tension on the erected bearing wire 10 to adjust the rotation speed of the hydraulic motor 17 to keep the tension of the bearing wire 10 constant.
  • the road flat car 13 of this embodiment is provided with four sets of pay-off devices, so this embodiment includes four second hydraulic motors 6 and four hydraulic cylinders 14 to control the actions of each pay-off device separately .
  • this embodiment includes four second hydraulic motors 6 and four hydraulic cylinders 14 to control the actions of each pay-off device separately .
  • a second hydraulic motor 6 is respectively provided on both sides of the tension applying device 12.
  • the working principle of this embodiment is: when the device is used to pay out the bearing wire 10, the road flat car 13 moves forward to release the bearing wire 10, and at the same time, the hydraulic motor 17 exerts a force in the opposite direction on the rotating shaft 4 to make the follower
  • the bearing wire 10 output from the winding device 5 generates a certain tension.
  • the supporting wire 10 will have a certain angle with the tension applying device 12.
  • the supporting wire 10 When this angle reaches a certain level, the supporting wire 10 will be It will drive the guiding mechanism to move above the photoelectric sensor 99.
  • the photoelectric sensor 99 collects the position information of the guiding mechanism and transmits it to the control device.
  • the control device controls the oil input or output of each oil circuit so that the hydraulic cylinder 14 and The guiding oil pipe 7 moves to make a corresponding movement, and moves the edge of the bracket 1 toward the direction aligned with the tension applying device 12, and finally aligns the bearing wire 10 output from the winding device 5 with the tension applying device 12 to ensure the erection
  • the quality of the supporting wire 10, and the tension sensor 24 on the tension applying device 12 detects the tension on the supporting wire 10, and feeds it back to the control device, so that the hydraulic motor 17 automatically adjusts the speed to ensure the constant tension.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Electric Cable Installation (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

Véhicule de déroulement à tension constante modulaire, comprenant des dispositifs d'enroulement (5), un dispositif de guidage (9), un dispositif d'application de tension (12), un montant de ligne (20), et un dispositif de commande qui sont disposés de manière fixe sur un wagon plat (13) et à travers lesquels une ligne de contact aérienne (10) passe en séquence. Des dispositifs de glissière (8) et des cylindres d'huile hydraulique (14) utilisés pour permettre à des supports (1) de se déplacer le long des dispositifs de glissière (8) sont disposés de manière fixe sur le wagon plat (13). Des moteurs hydrauliques (17) sont disposés de manière fixe sur les supports (1). Lorsque les moteurs hydrauliques (17) fournissent une tension aux dispositifs d'enroulement (5), la direction d'application de force est opposée à la direction de déroulement des dispositifs d'enroulement (5). Le dispositif de commande comprend un ensemble de génération (25) et un ensemble de commande hydraulique. L'ensemble de commande hydraulique comprend un ensemble de commande de signal, et un dispositif de stockage d'huile (22), une pompe à huile hydraulique, et un groupe de vannes intégré (26) connectés en séquence.
PCT/CN2021/108913 2020-06-12 2021-07-28 Véhicule de déroulement à tension constante modulaire WO2021249574A1 (fr)

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CN114590635A (zh) * 2022-03-15 2022-06-07 国网山东省电力公司惠民县供电公司 一种输电线路铺设用放线装置
CN114803723A (zh) * 2022-04-15 2022-07-29 哈工大机器人（合肥）国际创新研究院 一种线缆收放装置
CN117030437A (zh) * 2023-08-24 2023-11-10 盐城市海成棉业有限公司 一种棉纱强度检测装置及检测方法

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CN111532893A (zh) * 2020-06-12 2020-08-14 中铁电气化局集团有限公司石家庄机械装备分公司 接触网恒张力放线车
CN113979188A (zh) * 2021-11-03 2022-01-28 株洲菲斯罗克光电科技股份有限公司 一种自动对正放纤装置及方法
CN118004834B (zh) * 2024-04-08 2024-06-25 中铁电气化局集团有限公司 一种放线设备及其在接触网承力索架设中的应用

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CN114590635A (zh) * 2022-03-15 2022-06-07 国网山东省电力公司惠民县供电公司 一种输电线路铺设用放线装置
CN114590635B (zh) * 2022-03-15 2024-01-12 国网山东省电力公司惠民县供电公司 一种输电线路铺设用放线装置
CN114803723A (zh) * 2022-04-15 2022-07-29 哈工大机器人（合肥）国际创新研究院 一种线缆收放装置
CN117030437A (zh) * 2023-08-24 2023-11-10 盐城市海成棉业有限公司 一种棉纱强度检测装置及检测方法
CN117030437B (zh) * 2023-08-24 2024-03-22 盐城市海成棉业有限公司 一种棉纱强度检测装置及检测方法

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