CN111559727B - High-speed railway contact net construction overhauls platform - Google Patents
High-speed railway contact net construction overhauls platform Download PDFInfo
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- CN111559727B CN111559727B CN202010469315.6A CN202010469315A CN111559727B CN 111559727 B CN111559727 B CN 111559727B CN 202010469315 A CN202010469315 A CN 202010469315A CN 111559727 B CN111559727 B CN 111559727B
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- control room
- lifting platform
- platform
- balance
- supporting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a movable high-altitude construction maintenance platform, which belongs to the field of circuit maintenance auxiliary devices and comprises a lifting device arranged on a maintenance vehicle, wherein the lifting device comprises a first supporting rod, a first telescopic rod, a second supporting rod and a second telescopic rod, the lifting of a control room can be completed by controlling the rotation of the first supporting rod and the second supporting rod and the extension of the first telescopic rod and the second telescopic rod, and the movable high-altitude construction maintenance platform has higher degree of freedom, and solves the problems that the construction maintenance platform in the prior art can only lift in height and can not adjust the distance from the control room to a contact net, the degree of freedom is low, and the adaptability is poor.
Description
Technical Field
The invention relates to a circuit maintenance auxiliary device, in particular to a high-speed rail contact net construction maintenance platform.
Background
The high-speed rail contact system is a power transmission line which is erected over a railway line and supplies power to an electric locomotive, and current relied on by the running of a high-speed rail train is transmitted through the contact system at the upper end of the locomotive; once the contact net has a power failure or the contact between the train pantograph and the contact net is poor, the power supply of the train is affected, so that the maintenance and overhaul work of the contact net is very important.
When the maintenance and the maintenance work of contact net, traditional operation mode is accomplished through the scaffold, and the working range of scaffold is little, and it is inconvenient to remove, and efficiency is very low in the operation, and is relatively poor to the adaptability of different environment, like the unsuitable fixed scaffold in contact net below position.
The existing contact network overhauling platform which can be conveniently moved has smaller freedom, can generally only realize the lifting function, and brings much inconvenience to the overhauling work of the contact network.
For example, the "overhead transmission line maintenance car" disclosed in the chinese patent document, which is given publication No. CN205985952U and includes an elevator, a platform, an operation room, and track wheels, has a disadvantage that the operation room can only be lifted up and down by moving up and down, and once the operation room is far from or close to the overhead transmission line in the horizontal direction, the position of the operation room cannot be conveniently adjusted, which affects the efficiency of the work.
Disclosure of Invention
The invention provides a construction and overhaul platform for a high-speed rail contact network, which aims to solve the problems that in the prior art, the working efficiency is low due to the fact that the degree of freedom of a movable overhaul platform is low and the position adjustment is inconvenient in the overhaul process of the high-speed rail contact network.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a high-speed rail contact net construction maintenance platform, which comprises a lifting device arranged on a maintenance vehicle, the lifting device comprises a first supporting rod arranged on the maintenance vehicle, the first supporting rod is rotationally connected on the maintenance vehicle, a first telescopic rod which can be stretched in the axial direction of the first supporting rod is arranged in the first fixing rod, the steering lifting platform is arranged at the end part of the first telescopic rod, the maintenance vehicle is also provided with a second support rod, the second support rod is rotatably connected to the maintenance vehicle, a second telescopic rod which can be stretched in the axial direction of the second support rod is arranged in the second support rod, the end part of the second telescopic rod is rotationally connected with the first supporting rod, the upper end of the lifting device is provided with a steering lifting platform, the steering lifting platform is further provided with a control room, and an operation platform is arranged outside the control room.
In an initial state, the first support rod and the second support rod are close to the upper side of the maintenance vehicle, the first telescopic rod and the second telescopic rod are respectively contracted in the first support rod and the second support rod, the angle between the first support rod and the upper side face of the maintenance vehicle can be increased by rotating the second support rod and extending out the second telescopic rod, so that the control room is lifted, the height of the control room can be adjusted by extending and retracting the first telescopic rod, the lifting of the control room is realized by the structure, the height of the control room can be freely adjusted, the distance between the control room and a maintenance position can be adjusted, and the control room has higher degree of freedom and stronger adaptability; for example, when an obstacle exists in the area below the contact net wire, the maintenance car can avoid the obstacle by reducing the included angle between the first support rod and the upper surface of the maintenance car, and the direction of the control room can be changed by the steering lifting platform, so that the control room can be close to the contact net wire from different angles, and a more appropriate operation position can be selected; the control room can enable an operator to control the lifting device in the control room, so that the operation position can be better determined, and the number of the operators required during operation can be reduced.
Preferably, the steering lifting platform comprises an upper lifting platform connecting part and a lower lifting platform connecting part, a first rotating shaft is arranged between the upper lifting platform connecting part and the lower lifting platform connecting part, and the upper lifting platform connecting part and the lower lifting platform connecting part are rotatably connected at the first rotating shaft; a telescopic cylinder is fixedly mounted on the lower connecting part of the lifting platform, one end of the telescopic cylinder is mounted on the lower connecting part of the lifting platform, the other end of the telescopic cylinder is rotatably connected with the upper connecting part of the lifting platform, and a second rotating shaft is arranged between the upper connecting part of the lifting platform and the end part of the telescopic cylinder; in the process of lifting the control room through the lifting device, the direction of the control room can also rotate along with the rotation of the first supporting rod, so that the direction of the control room is difficult to determine, and the operation is influenced; the telescopic cylinder can enable the upper connecting part of the lifting platform and the lower connecting part of the lifting platform to rotate relatively, so that the direction of the control room is adjusted, the operating platform is in the horizontal direction, and operation of operators is facilitated.
Preferably, a turntable is mounted on the connecting part on the lifting table, and the axial direction of the turntable is vertical to the upper side surface of the connecting part on the lifting table; through the carousel can make the control room carry out circumferential rotation to change the orientation of control room, make things convenient for the operation personnel to select suitable angle to overhaul the contact net.
Preferably, the turntable is provided with a mounting seat, the claw fork is mounted on the mounting seat, the mounting seat is further provided with a control room track, the control room ceiling is mounted on the control room track, and the control room track is further provided with a lifting cylinder for moving the control room ceiling; because the quantity of the oil cylinders needed to be used when the lifting device lifts the control chamber is large, the energy consumption is large, the control precision is low, when the height of the control chamber needs to be adjusted in real time in the contact network maintenance process so as to reach a more proper operation position, the height of the control chamber can be adjusted through the lifting cylinder, and the height can be adjusted more conveniently and quickly and more accurately through the lifting device.
Preferably, a balance connecting piece is fixedly mounted at the upper end of the control room and comprises a balance shaft and a connecting plate, the upper end of the connecting plate is connected with the balance shaft, the lower end of the connecting plate is fixed at the upper end of the control room, a control room ceiling is arranged on the steering lifting platform, a balance groove is arranged on the control room ceiling, the balance shaft is mounted in the balance groove, a plurality of ball grooves are formed in the lower side of the balance groove, balls are mounted in the ball grooves, and the balls are in contact with the balance shaft; when the control room is lifted by the lifting device, the balance of the control room needs to be kept, and the situation that personnel in the control room fall down or control equipment is damaged due to the excessive inclination of the control room is avoided; although the direction of the control chamber can be adjusted by the telescopic cylinder, the adjustment is delayed, and the stability of the control chamber cannot be ensured at any time in the lifting process; and because in this scheme the balance connection spare passes through the ball to be fixed in the compensating groove, the frictional force that receives is less, carries out the in-process that goes up and down at elevating gear, and the control room orientation is fixed all the time under the effect of gravity to personnel and controlgear's in the control room safety has been guaranteed.
Preferably, a plurality of horizontal tightening grooves are formed in the balance shaft, tightening cylinders are installed in the tightening grooves, arc-shaped tightening blocks are installed at the end portions of the tightening cylinders, and the radiuses of the tightening blocks are the same as those of the balance grooves; the jacking cylinder can press the jacking block in the balance groove, so that the control room is fixed on the control room ceiling; after the control room is lifted to the required height, the direction of the control room can be fixed through the jacking of the jacking block, so that the situation that the control room shakes due to the walking of an operator on the operating platform is avoided.
Preferably, the bottom of the control chamber is provided with a balancing weight, the balancing weight is connected with a balancing motor for moving the balancing weight, and the balancing motor is arranged in the control chamber; the position of the balancing weight is adjusted through the balancing weight motor, so that the gravity center position of the control chamber can be changed, and the gravity center of the control chamber and the balancing connecting piece are positioned in the same vertical plane; when the number or position of the control devices in the control room changes, the counterweight position needs to be readjusted to ensure the balance of the control room.
Preferably, a generator is installed in the control room; when an emergency occurs, for example, when power supply is interrupted, the lifting device cannot be started, so that an operator at high altitude cannot return to the ground; and through this scheme the generator can make the control personnel carry out urgent power supply to elevating gear in the control room to make the operation personnel get back to ground safely, especially under the circumstances that does not have other personnel on ground, improved the security of operation greatly.
Therefore, the invention has the following beneficial effects: (1) the lifting device has better freedom degree and adaptability, not only can adjust the heights of the control room and the operation platform, but also can adjust the distance between the operation platform and the contact net electric wire, and can enable an operator to select a proper direction to approach the contact net electric wire, thereby avoiding angles which are not suitable for operation; (2) in the process of lifting by the lifting device, the direction of the control room and the direction of the operation platform can be kept horizontal all the time, so that the safety of operating personnel and control equipment in the control room is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a structure at the steering lift of the present invention.
Fig. 3 is a schematic diagram of a structure at a control room of the present invention.
Fig. 4 is a schematic cross-sectional view of the balance connector of the present invention.
In the figure: 1. lifting device 2, tool car 3, the spud pile 4, first bracing piece 5, first telescopic link 6, second bracing piece 7, second telescopic link 8, turn to elevating platform 9, connecting portion 10 on the elevating platform, connecting portion 11 under the elevating platform, telescoping cylinder 12, first pivot 13, second pivot 14, carousel 15, mount pad 16, control room track 17, goat's horn fork 18, control room 19, elevating cylinder 20, balanced connecting piece 21, balance shaft 22, connecting plate 23, control room furred ceiling 24, balancing tank 25, ball 26, tight groove 27 in top, tight cylinder 28 in top, tight piece 29 in top, balancing weight 30, counter weight motor 31, operation platform 32, the guardrail.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1-3, a high-speed rail contact network construction and maintenance platform comprises a lifting device 1 installed on a maintenance vehicle; a fixed pile 3 which can be fixed on the bottom surface is arranged at the lower side of the maintenance vehicle; the lifting device comprises a first supporting rod 4 installed on the maintenance vehicle, the first supporting rod is rotatably connected to the maintenance vehicle 2, a first telescopic rod 5 capable of extending in the axial direction of the first supporting rod is installed in the first supporting rod, the steering lifting platform is installed at the end part of the first telescopic rod, a second supporting rod 6 is further installed on the maintenance vehicle, the second supporting rod is rotatably connected to the maintenance vehicle, a second telescopic rod 7 capable of extending in the axial direction of the second supporting rod is installed in the second supporting rod, and the end part of the second telescopic rod is rotatably connected with the first supporting rod; the upper end of the lifting device is provided with a steering lifting platform 8, the steering lifting platform comprises an upper lifting platform connecting part 9 and a lower lifting platform connecting part 10, the lower lifting platform connecting part is fixedly connected with a first telescopic rod, a telescopic cylinder 11 is fixedly arranged on the lower lifting platform connecting part, one end of the telescopic cylinder is fixedly connected on the lower lifting platform connecting part, the other end of the telescopic cylinder is rotatably connected on the upper lifting platform connecting part, a first rotating shaft 12 is further arranged between the upper lifting platform connecting part and the lower lifting platform connecting part, the upper lifting platform connecting part and the lower lifting platform connecting part are rotatably connected at the first rotating shaft, a second rotating shaft 13 is arranged between the upper lifting platform connecting part and the end part of the telescopic cylinder, a rotating disc 14 is arranged on the upper lifting platform connecting part, the axial direction of the rotating disc is vertical to the upper side surface of the upper lifting platform connecting part, and a mounting seat 15 is arranged on the rotating disc, the mounting seat is further provided with a control room track 16 and a claw fork 17 for supporting a contact wire, the control room track is further provided with a lifting cylinder 19 for moving a control room 18, the upper end of the control room is fixedly provided with a balance connecting piece 20, the balance connecting piece comprises a balance shaft 21 and a connecting plate 22, the upper end of the connecting plate is connected with the balance shaft, the lower end of the connecting plate is fixed at the upper end of the control room, the steering lifting platform is provided with a control room ceiling 23, the control room ceiling is provided with a balance groove 24, the balance shaft is arranged in the balance groove, one side of the balance groove, which is close to the lower side, is provided with a plurality of ball grooves, the ball grooves are internally provided with balls 25, and the balls are in contact with the balance shaft; a plurality of horizontal tightening grooves 26 are formed in the balance shaft, tightening cylinders 27 are installed in the tightening grooves, arc-shaped tightening blocks 28 are installed at the end portions of the tightening cylinders, and the radiuses of the tightening blocks are the same as those of the balance grooves; the bottom of the control room is provided with a balancing weight 29, the balancing weight is connected with a balancing motor 30 for moving the balancing weight, the balancing motor is arranged in the control room, the structure of the balancing motor and the balancing weight refers to the structure of a motor and a sliding block in a gantry crane, the upper end of the balancing weight is connected to the balancing motor through a pull rope, and the balancing weight is pulled by the pull rope when the balancing motor operates; the control room suspended ceiling is arranged on a control room rail and can move on the control room rail, and control equipment for controlling the lifting device, the telescopic cylinder, the lifting cylinder, the rotary table, the jacking cylinder, the counterweight motor and the claw fork to move is arranged in the control room; a generator is installed in the control room and can supply power for the lifting device in an emergency manner; an operation platform 31 is arranged on one side of the control room except the side facing the control room track, and a guardrail 32 is arranged on the operation platform; the first telescopic rod, the second telescopic rod, the rotary table and the claw fork are controlled by the oil cylinder to move.
In the using process of the device, firstly, the maintenance vehicle is driven to a position which is closer to the position to be maintained of the contact net, and the obstacle is avoided; after the maintenance vehicle is stopped, fixing the fixing pile on the maintenance vehicle on the ground, so that the maintenance vehicle cannot move or turn over; in an initial state, the first support rod and the second support rod are close to the upper side of the maintenance vehicle, and the control room is at the lowest position; after an operator enters the control room, the jacking cylinder is controlled to enable the jacking block to return to the jacking groove, so that the balance connecting piece and the balance groove are in a state of relative rotation; then, the lifting device is controlled through the operation equipment, so that the second telescopic rod extends out of the second supporting rod, the second telescopic rod drives the first supporting rod to rotate after extending out, the included angle between the first supporting rod and the upper side of the maintenance vehicle is increased, the control room is lifted, and meanwhile, the first telescopic rod also extends out of the first supporting rod, and the control room is further lifted; in the process that the lifting device lifts the control room, the direction of the control room ceiling can be changed, and the balance connecting piece is fixed in the balance groove through the balls, so that the control room ceiling and the control room ceiling can rotate relatively, the direction of the control room is not influenced by the change of the direction of the control room ceiling, the center of gravity of the control room and the balance connecting piece are always positioned in the same vertical plane, and the safety of operating personnel and control equipment in the control room is ensured; meanwhile, the telescopic cylinder can control the upper connecting part of the lifting platform to rotate relative to the lower connecting part of the lifting platform, so that the turntable can still be in the horizontal direction after the lifting device finishes lifting; the orientation of the control chamber can be adjusted through the rotation of the turntable, so that an operator can select a more proper operation angle; the claw fork can be controlled to rotate through the oil cylinder, and the claw fork can be enabled to support the electric wire by rotating; an operator overhauls the electric wire on the operating platform, and in the overhauling process, if the height of the control room needs to be adjusted by a small amount, the adjustment can be realized by controlling the lifting cylinder; when the number and the position of the operating equipment in the control room need to be adjusted, the position of the balancing weight can be controlled through the balancing weight motor, so that the center of the control room is still located in the vertical plane where the balancing connecting piece is located.
Claims (5)
1. A high-speed rail contact net construction maintenance platform is characterized by comprising a lifting device arranged on a maintenance vehicle, the lifting device comprises a first supporting rod arranged on the maintenance vehicle, the first supporting rod is rotationally connected on the maintenance vehicle, a first telescopic rod which can be extended and contracted in the axial direction of the first supporting rod is arranged in the first supporting rod, a steering lifting platform is arranged at the end part of the first telescopic rod, the maintenance car is also provided with a second support rod which is rotatably connected on the maintenance car, a second telescopic rod which can be stretched in the axial direction of the second supporting rod is arranged in the second supporting rod, the end part of the second telescopic rod is rotationally connected with the first supporting rod, the upper end of the lifting device is provided with a steering lifting platform, the steering lifting platform is also provided with a control room, and an operation platform is arranged outside the control room; the upper end of the control room is fixedly provided with a balance connecting piece, the balance connecting piece comprises a balance shaft and a connecting plate, the upper end of the connecting plate is connected with the balance shaft, the lower end of the connecting plate is fixed at the upper end of the control room, the steering lifting platform is provided with a control room ceiling, the control room ceiling is provided with a balance groove, the balance shaft is arranged in the balance groove, one side of the balance groove, which is close to the lower side, is provided with a plurality of ball grooves, balls are arranged in the ball grooves and are in contact with the balance shaft, the bottom of the control room is provided with a balancing weight, the balancing weight is connected with a balancing weight motor for moving the balancing weight, the balancing weight motor is arranged in the control room, the balance shaft is internally provided with a plurality of horizontal tightening grooves, the tightening cylinders are arranged in the tightening grooves, and the end parts of the tightening cylinders are provided with arc-shaped tightening blocks, the radius of the jacking block is the same as that of the balance groove.
2. The construction and overhaul platform for the high-speed rail contact network according to claim 1, wherein the steering lifting platform comprises an upper lifting platform connecting part and a lower lifting platform connecting part, a first rotating shaft is arranged between the upper lifting platform connecting part and the lower lifting platform connecting part, and the upper lifting platform connecting part and the lower lifting platform connecting part are rotatably connected at the first rotating shaft; the telescopic cylinder is fixedly mounted on the lower connecting portion of the lifting platform, one end of the telescopic cylinder is mounted on the lower connecting portion of the lifting platform, the other end of the telescopic cylinder is rotatably connected with the upper connecting portion of the lifting platform, and a second rotating shaft is arranged between the upper connecting portion of the lifting platform and the end portion of the telescopic cylinder.
3. The construction and overhaul platform for the high-speed rail contact network according to claim 2, wherein a turntable is mounted on the connecting part on the lifting platform, and the axial direction of the turntable is perpendicular to the upper side surface of the connecting part on the lifting platform.
4. The high-speed rail contact net construction overhauling platform according to claim 3, wherein a mounting seat is mounted on the turntable, a claw fork is mounted on the mounting seat, a control room track is further mounted on the mounting seat, the control room is mounted on the control room track, and a lifting cylinder for moving the control room is further mounted on the control room track.
5. The construction and overhaul platform for the high-speed rail contact network according to any one of claims 1 to 4, wherein a generator is installed in the control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010469315.6A CN111559727B (en) | 2020-05-28 | 2020-05-28 | High-speed railway contact net construction overhauls platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010469315.6A CN111559727B (en) | 2020-05-28 | 2020-05-28 | High-speed railway contact net construction overhauls platform |
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| Publication Number | Publication Date |
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| CN111559727A CN111559727A (en) | 2020-08-21 |
| CN111559727B true CN111559727B (en) | 2022-04-12 |
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| CN202010469315.6A Active CN111559727B (en) | 2020-05-28 | 2020-05-28 | High-speed railway contact net construction overhauls platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115872315B (en) * | 2022-12-01 | 2023-08-11 | 国网浙江省电力有限公司岱山县供电公司 | Multipurpose rapid carrying and installing lifting platform |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201158935Y (en) * | 2007-12-28 | 2008-12-03 | 浙江东南网架股份有限公司 | Universal self-balancing adjustable support |
| CN201272670Y (en) * | 2008-09-22 | 2009-07-15 | 江苏联合职业技术学院淮安生物工程分院 | Separation type single-acting spherojoint earthquake rescuing hydraulic jack |
| CN101734584A (en) * | 2009-12-29 | 2010-06-16 | 湖南中联重科专用车有限责任公司 | Detachable adjustable basket device |
| CN203285359U (en) * | 2013-05-06 | 2013-11-13 | 中国石油集团渤海石油装备制造有限公司 | Positive displacement drill arc-shaped pin roller ball hinge joint universal shaft |
| CN108083098A (en) * | 2016-11-21 | 2018-05-29 | 重庆起重机厂有限责任公司 | Rotatable steel ladle handling apparatus |
| DE102017208410B3 (en) * | 2017-05-18 | 2018-08-16 | Zf Friedrichshafen Ag | ball joint |
| CN209456035U (en) * | 2019-01-25 | 2019-10-01 | 蓝传雯 | A kind of steel arch-shelf mounting operation platform |
| CN110817760B (en) * | 2019-11-14 | 2021-01-26 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
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