阅读说明：本技术 适合汽车运输的铁路接触网恒张力放线车组 (Railway contact net constant tension wire-releasing vehicle set suitable for automobile transportation ) 是由 杨林勇 汤国华 杜华伟 王亚涛 张晓磊 何波宏 曹江林 曹敏杰 于 2020-05-09 设计创作，主要内容包括：一种适合汽车运输的铁路接触网恒张力放线车组,包括：接触网检修作业车、恒张力放线车,车辆长度不超过17米,适合汽车运输。两车通过车钩连接,也可以通过连接杆装置连接,接触网检修作业车设置高速走行和低速作业走行功能。车钩为铁路通用车钩,两车的车钩可以摘开或连挂,连接杆装置置于连挂端车钩正上方,当两车之间用车钩连接时,连接杆装置拆下,当两车之间用连接杆装置连接时,连接杆装置长度L1长于车钩组件连接长度L2。本发明有利于汽车运输,极大缩短施工点转场时间,又提高了恒张力放线的可靠性,具有较高的经济效益。(A railway contact net constant tension stringing car group suitable for automobile transportation comprises: the contact net overhauls operation car, constant tension wire barrow, and vehicle length is no longer than 17 meters, is fit for the automobile transportation. The two vehicles are connected through a vehicle coupler and also can be connected through a connecting rod device, and the contact net overhauling operation vehicle is provided with high-speed walking and low-speed operation walking functions. The coupler is a general coupler for railway, the couplers of the two cars can be disconnected or linked, the connecting rod device is arranged right above the coupler at the linking end, when the two cars are connected by the coupler, the connecting rod device is detached, and when the two cars are connected by the connecting rod device, the length L1 of the connecting rod device is longer than the connecting length L2 of the coupler component. The invention is beneficial to automobile transportation, greatly shortens the transition time of construction points, improves the reliability of constant tension paying-off, and has higher economic benefit.)

1. The utility model provides a railway contact net constant tension unwrapping wire group of cars that is fit for automobile transportation which characterized in that: the device comprises a contact net overhauling operation vehicle (1) and a constant tension wire barrow (2), wherein the contact net overhauling operation vehicle (1) is connected with the constant tension wire barrow (2) through a connecting device; the connecting device comprises a coupler assembly and a connecting rod device (4), wherein the connecting rod device (4) is positioned at the upper part of the coupler assembly; the car coupler assembly comprises two car couplers (3) which can be disconnected or linked, one car coupler is arranged at the tail part of a contact net overhaul operation vehicle (1), the other car coupler is arranged at the front part of a constant tension pay-off vehicle (2), and when the two car couplers (3) of the car coupler assembly are in a linked state, the distance between the front end of one car coupler and the rear end of the other car coupler is the connection length L2 of the car coupler assembly; the connecting rod device (4) comprises a connecting rod (16), two connecting rod seats (15) and two connecting pins (17), wherein one connecting rod seat (15) is arranged at the tail part of the overhead line system maintenance operation vehicle (1), the other connecting rod seat (15) is arranged at the front part of the constant-tension pay-off vehicle (2), and when the front end and the rear end of the connecting rod are respectively connected with each connecting rod seat (15) through the connecting pins (17), the distance between the front end of one connecting rod seat and the rear end of the other connecting seat is the connecting rod device length L1;

when the contact net overhauling operation vehicle (1) and the constant-tension pay-off vehicle (2) are connected by the coupler assembly, the connecting rod (16) is detached from the connecting rod seat (15); when the contact net overhauling operation vehicle (1) and the constant-tension pay-off vehicle (2) are connected through the connecting rod device (4), the length L1 of the connecting rod device is longer than the connecting length L2 of the coupler assembly.

2. The railway contact line constant-tension pay-off train set suitable for automobile transportation according to claim 1, characterized in that: the sectional area of the middle part of the connecting rod (16) is larger than the sectional areas of the two ends, the two ends are flat lugs, and the flat lugs are provided with plug pin holes matched with the connecting pins (17).

3. The railway contact line constant-tension pay-off train set suitable for automobile transportation according to claim 2, characterized in that: and a joint bearing is arranged at the pin shaft hole.

4. The railway contact line constant-tension pay-off train set suitable for automobile transportation according to claim 2, characterized in that: the connecting rod seat (15) is fixed on the end face of the vehicle frame right above the vehicle coupler (3), and the upper ear plate and the lower ear plate of the connecting rod seat (15) are provided with round holes matched and assembled with the connecting pins (17).

5. The railway contact line constant-tension pay-off train set suitable for automobile transportation according to claim 1, characterized in that: a rotary lifting platform and a wire shifting device are arranged on the overhead line system maintenance operation vehicle (1); the constant-tension pay-off vehicle (2) comprises a control room (5), a vehicle frame (6), a walking mechanism (7), a braking system (8), an electric control system (9), a hydraulic control system (10), a power unit (11), a tension disc device (12), a reel frame (13) and a guide column (14); the control room (5) is arranged on the upper portion of the front end of the frame (6), the walking mechanism (7) is arranged on the lower portion of the front end and the rear end of the frame (6), the braking system (8) is integrated on the walking mechanism (7), the electric control system (9) and the hydraulic control system (10) are integrated on an operation table in the control room (5), the power unit (11) is arranged on the upper portion of the rear end of the frame (6), the tension disc device (12) is arranged on the upper portion of the frame behind the control room (5), the bobbin frame (13) is arranged on the upper portion of the frame behind the tension disc device (12), and the guide column (14) is arranged on the right side of the frame between the tension disc device (12) and the bobbin frame (13).

6. The railway contact line constant-tension pay-off train set suitable for automobile transportation according to claim 1, characterized in that: the overhead line system maintenance operation vehicle (1) is provided with high-speed walking and low-speed operation walking functions.

Technical Field

The invention belongs to the technical field of railway contact net construction wire barrow, in particular to a railway contact net constant tension wire barrow set suitable for automobile transportation.

Background

Along with the rapid development of high-speed electrified railways, the constant-tension wire barrow for the contact network has the characteristics of busy construction and frequent transition, and the constant-tension wire barrow is required to be portable and flexible and is convenient for automobiles to transport rapidly. The length of a traditional constant-tension wire barrow vehicle exceeds 26 meters, the vehicle has overlarge self weight, cannot be decomposed, can only be transferred through a railway, and has a long period. When the speed of the vehicle changes in the paying-off process, if the towed contact network operation vehicle is suddenly stopped, decelerated or started and accelerated, the operation vehicle coupler generates instant impact force to the pay-off vehicle coupler due to inertia and action lag of the pay-off vehicle, so that the constant tension value of a paying-off cable of the pay-off vehicle suddenly changes, the constant tension value exceeds an allowable value instantly, and accidents are easy to happen.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the railway contact net constant-tension pay-off train set suitable for automobile transportation, which has the functions of light disassembly, flexibility and suitability for automobile transportation under the condition of ensuring safe and reliable service performance.

The technical scheme adopted by the invention is as follows: the device comprises a contact net overhauling operation vehicle and a constant tension wire barrow, wherein the contact net overhauling operation vehicle is connected with the constant tension wire barrow through a connecting device; the connecting device comprises a coupler assembly and a connecting rod device, and the connecting rod device is positioned at the upper part of the coupler assembly; the car coupler assembly comprises two car couplers which can be disconnected or linked, the car couplers are national railway standard car couplers, one car coupler is arranged at the tail part of a contact net overhaul operation car, the other car coupler is arranged at the front part of a constant tension pay-off car, and when the two car couplers of the car coupler assembly are in a linked state, the distance between the front end of one car coupler and the rear end of the other car coupler is the connection length L2 of the car coupler assembly; the connecting rod device comprises a connecting rod, two connecting rod seats and two connecting pins, wherein one connecting rod seat is arranged at the tail part of the contact net overhaul operation vehicle, the other connecting rod seat is arranged at the front part of the constant-tension pay-off vehicle, and when the front end and the rear end of the connecting rod are respectively connected with each connecting rod seat through the connecting pins, the distance between the front end of one connecting rod seat and the rear end of the other connecting rod seat is L1;

when the contact net overhauling operation vehicle and the constant-tension pay-off vehicle are connected by the coupler assembly, the connecting rod is detached from the connecting rod seat; when the contact net overhauling operation vehicle and the constant-tension pay-off vehicle are connected by the connecting rod device, the length L1 of the connecting rod device is longer than the connecting length L2 of the coupler assembly.

The sectional area of the middle part of the connecting rod is larger than the sectional areas of the two ends of the connecting rod, the two ends of the connecting rod are flat lugs, and the flat lugs are provided with bolt holes which are matched and assembled with the connecting pins. The middle part can be in a bar shape and a plate shape, and the hole is in small clearance fit with the pin shaft, so that the impact caused by the clearance is avoided.

And a joint bearing is arranged at the pin shaft hole.

The connecting rod seat is fixed on the end face of the vehicle frame right above the vehicle coupler, and the upper ear plate and the lower ear plate of the connecting rod seat are provided with round holes matched and assembled with the connecting pins.

A rotary lifting platform and a wire shifting device are arranged on the overhead line system maintenance work vehicle; the constant-tension pay-off vehicle comprises a control room, a vehicle frame, a walking mechanism, a braking system, an electrical control system, a hydraulic control system, a power unit, a tension disc device, a reel frame and a guide post; the control room is arranged on the upper portion of the front end of the frame, the walking mechanism is arranged on the lower portion of the front end and the rear end of the frame, the braking system is integrated on the walking mechanism, the electric control system and the hydraulic control system are integrated on an operating table in the control room, the power unit is arranged on the upper portion of the rear end of the frame, the tension disc device is arranged on the upper portion of the frame behind the control room, the bobbin frame is arranged on the upper portion of the frame behind the tension disc device, and the guide column is arranged on the right side of the frame between the tension disc device and the bobbin frame.

The contact net overhauling operation vehicle is provided with high-speed walking and low-speed operation walking functions.

The invention aims to solve the problems that the conventional contact network constant tension wire barrow is too long and too heavy and is inconvenient for automobile transportation, and simultaneously, the contact network constant tension wire barrow is optimized and improved, so that the system is simplified, the reliability is improved, and the railway contact network constant tension wire barrow set suitable for automobile transportation is provided and consists of a contact network maintenance operation vehicle and a constant tension wire barrow. The contact net overhauls the operation car as the tractor, sets up high-speed walking and low-speed operation and walks capable function, and constant tension wire barrow is as the wire barrow for constant tension unwrapping wire, and vehicle length reduces to within 17 meters. The two vehicles are provided with the connecting rod devices which are connected and hung into a whole, so that the instant impact of the starting and stopping of the vehicles on the tension paying-off can be avoided.

The existing constant tension stringing vehicle is provided with a tension disc device, a guide post, 4 bobbin racks, a rotary lifting platform and 2 string shifting devices in a length of 26 meters; the invention reserves a tension disc device, a guide post and 2 bobbin racks, after the constant tension wire barrow is compressed to 17 meters, the rotary lifting platform and the wire pulling device are cancelled, the wire pulling device is added on the contact net overhauling operation vehicle, the rotary lifting platform on the contact net overhauling operation vehicle is adopted during the wire releasing operation, and the vehicle length is reduced while the constant tension wire barrow can complete the wire releasing function. When the invention runs at high speed, the car coupler is adopted for connection, the car coupler is taken off during paying off, the connecting rod device is adopted for connecting the contact net overhaul operation vehicle and the constant tension pay-off vehicle, and the connecting rod has no gap, so that paying off impact caused by the gap between the connecting devices is avoided. The constant-tension wire barrow cancels a wire pulling mechanism, a rotary lifting operation platform and a low-speed traveling function, simplifies a hydraulic system and an electrical appliance control system, and the platform shares the platform of the operation vehicle.

Compared with the prior art, the constant-tension wire barrow system with the length of 26 meters is shortened to be not more than 17 meters, so that the dead weight of the barrow is reduced, the structure is reduced, and the using reliability of the barrow is improved. A contact net overhauling operation vehicle is added as a tractor, and the functions of high-speed walking and low-speed operation walking are set. The two vehicles are connected by adopting the connecting rod device, so that the disassembly is convenient, and the vehicle can run without impact. The invention is beneficial to automobile transportation, greatly shortens the transition time of construction points, improves the reliability of constant tension paying-off and has higher economic benefit.

Drawings

FIG. 1 is a schematic view of a train configuration according to the present invention;

FIG. 2 is a second schematic view of the structure of the train set of the present invention;

FIG. 3 is a schematic structural view of the constant tension wire barrow of the invention;

fig. 4 is a schematic structural view of the connecting rod device of the present invention.

Detailed Description

An embodiment of the invention is described below with reference to fig. 1-4.

Be fit for automobile transportation's permanent tension unwrapping wire group of cars of railway contact net, its characterized in that, the permanent tension unwrapping wire group of cars of railway contact net that is fit for automobile transportation includes: contact net overhauls operation car 1, constant tension wire barrow 2, contact net overhauls operation car 1, constant tension wire barrow 2 vehicle length is no longer than 17 meters, is fit for the automobile transportation. Contact net overhauls operation car 1 and provides traction power for the constant tension wire barrow as the tractor, and constant tension wire barrow 2 is used for the constant tension unwrapping wire of contact net, and two cars pass through coupler 3 and connect, also can connect through connecting rod device 4, and contact net overhauls the operation car and sets up high-speed walking and the walking function of low-speed operation. The low-speed operation walking is used for tension paying-off operation. The car coupler 3 is a general car coupler for railway, the car couplers 3 of two cars can be disconnected or linked, the connecting rod device 4 is arranged right above the car coupler at the linking end, when the two vehicles are connected by the coupler 3, the connecting rod device 4 is detached and used under the working condition that the vehicles are not paying off, when the two vehicles are connected by the connecting rod device 4, the length of the connecting rod device is longer than the connecting length of the two sets of couplers 3, the connecting rod device 4 is used for paying off at low speed, the connecting rod device comprises a connecting rod seat 15, a connecting rod 16 and a connecting pin 17, the connecting rod seat 15 is fixed on the end surface of the frame right above the couplers 3, the otic placode is equipped with the round hole about it, and connecting rod 16 is long rod shape, and both ends are equipped with the round hole, and connecting pin 17 is round pin axle shape, penetrates connecting rod seat 15 and connecting rod 16 round hole in, and connecting rod 16 both ends link into an organic whole through connecting pin 17 two connecting rod seats 15 around with, when not using connecting rod device, pull down the connecting rod can. The constant-tension pay-off vehicle 2 comprises a control room 5, a vehicle frame 6, a profiling mechanism 7, a braking system 8, an electrical control system 9, a hydraulic control system 10, a power unit 11, a tension disc device 12, a reel frame 13 and a guide column 14. The control room 5 is arranged on the upper portion of the front end of the frame 6, the running mechanism 7 is arranged on the lower portion of the front end and the rear end of the frame 6, the braking system 8 is integrated on the running mechanism 7, the electric control system 9 and the hydraulic control system 10 are integrated on an operation table in the control room 5 and used for controlling the paying-off tension and the paying-off mechanisms, the power unit 11 is arranged on the upper portion of the rear end of the frame 6 and provided with a plurality of hydraulic oil pumps for providing hydraulic power for executing elements of the hydraulic system, the tension disc device 12 is arranged on the upper portion of the frame behind the control room 5 and used for generating tension to cables, the cable tray frame 13 is arranged on the upper portion of the frame behind the tension disc device 12 and used for placing and generating braking counter-pull, and the guide column 14 is arranged on the right side of the frame between the tension disc device 12 and the cable tray frame 13 and used for positioning cables and preventing the cables from being released from the tension disc.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.