CN212669153U

CN212669153U - Movable high-altitude construction maintenance platform

Info

Publication number: CN212669153U
Application number: CN202020943048.7U
Authority: CN
Inventors: 吕世峰; 张宇
Original assignee: Zhejiang Luchuang Electric Power Technology Co ltd
Current assignee: Zhejiang Luchuang Electric Power Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-09
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a mobilizable high altitude construction overhauls platform belongs to the circuit maintenance auxiliary device field, including installing the elevating gear on the tool car, elevating gear includes first bracing piece, first telescopic link, second bracing piece, second telescopic link, through the rotation of controlling first bracing piece, second bracing piece and the flexible of first telescopic link, second telescopic link, can accomplish the lift to the control room to higher degree of freedom has been solved and in the prior art the tool platform can only carry out the lift on the height and can not adjust the control room to the distance of contact net, the degree of freedom is low, the poor problem of adaptability.

Description

Movable high-altitude construction maintenance platform

Technical Field

The utility model relates to a circuit overhauls auxiliary device, especially relates to a mobilizable high altitude construction overhauls 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 utility model relates to an overcome prior art, at the in-process that high-speed railway contact net overhauld, the mobilizable degree of freedom that overhauls the platform is lower, and position adjustment is inconvenient, leads to the lower problem of operating efficiency, provides a mobilizable high altitude construction and overhauls platform, can adjust the position of overhauing the platform with higher degree of freedom to be convenient for under different environment, select suitable position to overhaul the contact net.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model relates to a movable high-altitude construction maintenance platform, which comprises a lifting device arranged on an inspection vehicle, wherein the lifting device comprises a first supporting rod arranged on the inspection vehicle, the first supporting rod is rotationally connected on the inspection vehicle, a first telescopic rod which can stretch out and draw back in the axial direction of the first supporting rod is arranged in the first supporting rod, a second supporting rod is also arranged on the inspection vehicle, the second supporting rod is rotationally connected on the inspection vehicle, a second telescopic rod which can stretch out and draw back 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, a steering lifting platform is arranged at the upper end of the lifting device, the steering lifting platform is arranged at the end part of the first telescopic rod, a claw fork for supporting a contact wire is arranged on the steering lifting platform, and the steering lifting platform is also provided with a 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; in the maintenance process of the contact network, sometimes one section of the electric wire needs to be disconnected from the upright post so as to perform local maintenance, and the claw fork can support the disconnected electric wire so as to prevent the electric wire from falling to the bottom surface, so that the electric wire can be conveniently installed back by an operator after maintenance; 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, an escape rope is arranged in the control chamber; 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; the escape rope can ensure that the control personnel can safely return to the ground, and particularly under the condition that no other personnel exist on the ground, the safety of the operation is greatly improved.

Therefore, the utility model discloses following beneficial effect has: (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 structural diagram of the present invention.

Fig. 2 is a schematic structural view of the steering lifting platform of the present invention.

Fig. 3 is a schematic structural diagram of the control room of the present invention.

Fig. 4 is a schematic 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 present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1-3, a movable high-altitude construction maintenance platform comprises a lifting device 1 arranged 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 arranged 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 arranged in the first fixing rod, a second supporting rod 6 is further arranged 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 arranged 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 is arranged at the end part of the first telescopic rod, 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 the 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 to the lower lifting platform connecting part, the other end of the telescopic cylinder is rotatably connected to 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 rotary table 14 is arranged on the upper lifting platform connecting part, and the axial direction of the rotary table is perpendicular to the upper side surface of the, the turntable is provided with a mounting seat 15, the mounting seat is further provided with a control room track 16 and a claw fork 17 for supporting a contact electric 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; 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 and an escape rope are installed in the control room, and the generator can supply power for the lifting device in an emergency; 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

1. A movable high-altitude construction overhaul platform is characterized by comprising a lifting device arranged on an overhaul vehicle, wherein the lifting device comprises a first supporting rod arranged on the overhaul vehicle, the first supporting rod is rotatably connected to the overhaul vehicle, a first telescopic rod capable of stretching in the axial direction of the first supporting rod is arranged in the first supporting rod, a second supporting rod is further arranged on the overhaul vehicle, the second supporting rod is rotatably connected to the overhaul vehicle, a second telescopic rod capable of stretching 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 rotatably connected with the first supporting rod, a steering lifting platform is arranged at the upper end of the lifting device, the steering lifting platform is arranged at the end part of the first telescopic rod, and a claw fork used for supporting a contact wire is arranged on the steering lifting platform, and the steering lifting platform is also provided with a control room.

2. The movable high-altitude construction maintenance platform 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 movable high-altitude construction maintenance platform as claimed in claim 2, wherein a turntable is mounted on the connection part on the lifting platform, and the axial direction of the turntable is perpendicular to the upper side surface of the connection part on the lifting platform.

4. A movable high-altitude construction overhauling platform as claimed in claim 3, wherein a mounting seat is mounted on the turntable, the claw fork is mounted on the mounting seat, a control room rail is further mounted on the mounting seat, the control room is mounted on the control room rail, and a lifting cylinder for moving the control room is further mounted on the control room rail.

5. A movable high-altitude construction overhauling platform as claimed in claim 1, wherein a balance connecting piece is fixedly mounted at the upper end of the control chamber 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 chamber, a control chamber ceiling is arranged on the steering lifting platform, a balance groove is formed in the control chamber 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.

6. The movable high-altitude construction maintenance platform as claimed in claim 5, wherein a plurality of horizontally-oriented 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 radius of the tightening blocks is the same as that of the balance grooves.

7. The movable high-altitude construction maintenance platform as claimed in claim 6, wherein a counterweight block is mounted at the bottom of the control chamber, a counterweight motor for moving the counterweight block is connected to the counterweight block, and the counterweight motor is mounted in the control chamber.

8. A mobile aerial construction overhaul platform as claimed in any one of claims 1 to 7 wherein escape cords are provided within the control chamber.