CN112479089B - Movable overhaul operation platform of suspension type monorail train and operation method thereof - Google Patents
Movable overhaul operation platform of suspension type monorail train and operation method thereof Download PDFInfo
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- CN112479089B CN112479089B CN202011560595.8A CN202011560595A CN112479089B CN 112479089 B CN112479089 B CN 112479089B CN 202011560595 A CN202011560595 A CN 202011560595A CN 112479089 B CN112479089 B CN 112479089B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 81
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims description 25
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a movable maintenance operation platform of a suspension type monorail train, which comprises a bracket structure, a fixed platform, a movable platform, a lifting device and the like; two fixed platforms are arranged on the inner side of a vertical support of the support structure, movable platforms are respectively and correspondingly arranged on the fixed platforms, the tops of the movable platforms can slide transversely along the support structure, and track beams are arranged on the top surfaces of the movable platforms; the support structure is also symmetrically provided with a middle horizontal support, the lifting device can longitudinally slide along the middle horizontal support, and the lifting device is transversely provided with corresponding telescopic and lifting units so as to lift the bogie and the vehicle together to be separated from the track beam. The invention also discloses an operation method of the movable maintenance operation platform. The invention can be matched with disassembly, assembly, transportation, hoisting and the like in the suspended monorail overhaul process flow, improves the overall overhaul efficiency, can meet the requirements of three-month inspection, wheel replacement overhaul, key overhaul and comprehensive overhaul, and has strong applicability.
Description
Technical Field
The invention belongs to the technical field of suspended rail transit vehicle overhaul, and particularly relates to a suspended monorail train movable overhaul operating platform and an operating method thereof.
Background
The suspended track traffic is a traffic mode of suspending vehicles in the air and running by paving the track beams as vehicle lines, compared with subway and straddle-type track traffic, the suspended track traffic has lower cost and relatively smaller passenger traffic, but compared with buses, the suspended track traffic does not occupy road rights, fully utilizes the space above a highway, can utilize the space at the bottom of an overhead to set the track beams, and can independently lay the track beams, thereby having obvious advantages.
The suspended track traffic has higher applicability to areas with dense urban population and tense land resources, can fully utilize the space between an overhead and a highway, and has an open running line in the countries such as Germany, japan and the like at present. At present, the method is in a development stage in China, and has natural advantages in the aspects of urban short-distance humane display, scenic spot wind and light display, urban traffic mode diversified construction and the like.
The maintenance of suspended monorail trains is concentrated at the top of the vehicle, and operators rely on maintenance platforms for roof operation. At present, fixed platforms are adopted for maintenance platforms of domestic rail transit vehicles, and the suspended monorail trains have the characteristics of small occupied area, strong capability of adapting to complex terrains, less investment, short construction period, good sightseeing property and the like, and have larger differences with subway trains and straddle monorail trains in terms of vehicle structures, line conditions and the like, and the maintenance requirements of the suspended monorail trains cannot be met by directly adopting the operation platforms; and moreover, the bogie and the roof are separated by the track beam bottom plate, so that an operator cannot overhaul the roof on the fixed operation platform, the track beam is detached, the operation is tedious and time-consuming, and the overhaul operation is not facilitated to be performed efficiently. Therefore, a movable maintenance operation platform suitable for the suspended monorail vehicle is required to be designed so as to meet the requirement of maintenance operation of the roof of the suspended monorail vehicle.
Disclosure of Invention
Aiming at one or more of the defects or improvement demands of the prior art, the invention provides a movable maintenance operation platform of a suspended monorail train and an operation method thereof, which meet the demands of maintenance operation of the roof of the suspended monorail train and effectively improve the maintenance operation efficiency of the suspended monorail train.
In order to achieve the above object, according to one aspect of the present invention, there is provided a suspended monorail train movable maintenance platform comprising a support structure, and a fixed platform, a movable platform and a lifting device provided on the support structure;
the support structure comprises a plurality of horizontal supports and vertical supports, two fixed platforms are arranged on the inner sides of the vertical supports, moving platforms are respectively and correspondingly arranged on the fixed platforms, the tops of the moving platforms can slide transversely along the support structure to expose roof equipment, and track beams corresponding to the straight line tracks are arranged on the top surfaces of the moving platforms;
the lifting device can longitudinally slide along the middle horizontal support, and corresponding telescopic and lifting units are transversely arranged on the lifting device, so that the bogie and the vehicle are lifted together to be separated from the track beam.
As a further improvement of the invention, a plurality of transfer trolleys which can lift up and down are arranged at the bottom of the bracket structure, the trolley body is towed when the train is disassembled, and the trolley body and the components are transferred after the disassembly is completed.
As a further improvement of the invention, the top of the support structure is provided with a row crane.
As a further development of the invention, the lifting device comprises a sliding rod, both ends of which are respectively fixed on the middle horizontal support of the support structure and can slide along the longitudinal direction thereof.
As a further improvement of the invention, the bottom of the sliding rod is provided with two fixing units, the top of the sliding rod is fixed with the sliding rod, the middle of the sliding rod is transversely fixed with a telescopic lifting unit, and one end of the telescopic lifting unit is a telescopic end and is arranged oppositely.
As a further development of the invention, the telescopic lifting unit is vertically movable along the fixed unit.
As a further improvement of the invention, the mobile platform comprises a bottom plate, connecting rods and a sliding block, wherein the bottom plate is fixedly connected with the sliding block through a plurality of connecting rods.
As a further improvement of the invention, the sliding blocks are arranged on the transverse horizontal support at the top of the support structure, and the transverse horizontal support is provided with sliding grooves matched with the sliding blocks, so that the whole moving platforms at two sides can transversely slide along the sliding grooves.
According to another aspect of the invention, there is provided a method of operating a mobile maintenance platform for a suspended monorail train, comprising the steps of:
s1, a vehicle runs on a track beam of a mobile platform from a positive line;
s2, the lifting device adjusts a proper lifting point to lift the vehicle so as to separate the vehicle from the track beam on the mobile platform;
s3, the movable platform moves to two sides to expose roof equipment;
for the operation of three months inspection and wheel changing of the vehicle, an operator overhauls the roof equipment or changes wheel pairs on a fixed platform; after the movement is completed, the movable platform moves to the middle to enable the track gauge to meet the running requirement of the vehicle; the lifting device falls down the bogie and the car body;
when the vehicle is subjected to key or comprehensive maintenance operation, an operator performs vehicle de-braiding, the bottom is lifted and towed by the transfer trolley, and/or the lifting device moves downwards and is arranged on the transfer trolley; the operator disassembles the roof equipment first, disassembles the connecting device between bogie and the automobile body again, disassembles each part in the automobile at last to move to the transportation dolly through the crane at the top of the maintenance operation platform, carry to the corresponding maintenance storehouse.
As a further improvement of the present invention, in step S3, during the major or complete maintenance operation, the operation procedure of the assembly operation includes the steps of:
placing the overhauled bogie on a track beam of a mobile platform through a crane, lifting the bogie through a lifting device, and opening the mobile platform; under the lifting of the movable trolley, the crane lifts up parts of the roof and moves the parts to the roof, and an operator performs vehicle body assembly operation on the fixed platform;
the car body and the bogie are connected, the movable platform moves to the middle to enable the track gauge to meet the running requirement of the car, the bogie and the car body are dropped down by the lifting device, after wheels are contacted with the track beams, the lifting device moves to two sides, the car bodies move to be in butt joint, and the car body is connected with the car coupler.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
according to the movable maintenance operation platform of the suspended monorail train, the movable platform and the fixed platform are combined, meanwhile, the bogie and the train body are lifted together by the lifting device, after the wheel set and the track beam are separated, the movable platform can move to two sides of the track to expose roof equipment, so that maintenance operation of a roof of an operator is facilitated, and the track beam on the movable platform moves along with the platform, so that disassembly and assembly of the track beam are avoided, and maintenance operation efficiency is effectively improved; the transfer trolley not only can move parts, but also has a lifting function, and can realize the lifting function of the vehicle body; the self-contained traveling crane system is convenient for transporting parts, greatly shortens maintenance operation time, reduces the workload of maintenance operators and saves physical strength.
The operation method of the movable maintenance operation platform of the suspended monorail train is matched with the operations of disassembly, assembly, transportation, hoisting and the like in the suspended monorail maintenance process flow, has high precision, can improve the overall maintenance efficiency, ensures the maintenance safety of operators, can meet the requirements of three-month inspection, wheel replacement maintenance, key maintenance and comprehensive maintenance, and has strong applicability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a movable maintenance platform of a suspended monorail train in an embodiment of the invention;
FIG. 2 is a front view of a mobile maintenance platform for a suspended monorail train in accordance with an embodiment of the present invention;
FIG. 3 is a side view of a mobile maintenance platform for a suspended monorail train in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of a track beam structure related to a mobile platform in a movable maintenance operation platform according to an embodiment of the present invention;
FIG. 5 is a schematic view of a lifting device of a movable maintenance platform according to an embodiment of the present invention;
fig. 6 is a schematic view of a crane structure of a movable maintenance platform according to an embodiment of the present invention.
Like reference numerals denote like technical features throughout the drawings, in particular: 1-supporting structure, 2-fixed platform, 3-moving platform, 4-crane, 5-lifting device and 6-transferring trolley; 501-sliding rod, 502-fixed unit, 503-telescopic lifting unit.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The invention provides a movable maintenance operation platform aiming at maintenance operation of a suspended monorail train, which aims at improving the maintenance operation efficiency of the suspended monorail train, wherein fig. 1 is a schematic diagram of the whole structure of the movable maintenance operation platform of the suspended monorail train, fig. 2 and 3 are respectively a front view and a side view, and the movable maintenance operation platform of the suspended monorail train, as shown in fig. 1-3, comprises a bracket structure 1, a fixed platform 2, a movable platform 3, a crane 4, a lifting device 5 and the like. The support structure 1 comprises a plurality of horizontal supports and vertical supports, wherein the equipment foundation of the support structure can be attached to upright posts of an inspection warehouse or a key and comprehensive maintenance warehouse, the support structure 1 is used for bearing stress and fixedly supporting the fixed platform 2, the movable platform 3, the crane 4, the lifting device 5 and the like.
Specifically, in one embodiment of the present invention shown in fig. 1-3, at least four vertical supports are provided, and are separately disposed at four corners to form a rectangular frame structure, the bottom of the frame structure is fixed to the ground, and the top of the frame structure is fixedly connected to the ground through a horizontal support and a longitudinal horizontal support. The inside of the frame structure is transversely provided with two symmetrical fixing platforms 2, the fixing platforms 2 are respectively fixedly connected with the corresponding vertical brackets through supporting frames, and the fixing platforms are used for providing a walking channel and an operation place for maintenance operators.
The movable platform 3 is correspondingly arranged on the fixed platforms 2 on two sides respectively, the movable platform 3 comprises a bottom plate, connecting rods and sliding blocks, the two longitudinal ends of the bottom plate are fixedly connected with the sliding blocks at the top through the corresponding connecting rods, the sliding blocks are arranged on the horizontal supports at the top of the support structure 1, and sliding grooves matched with the horizontal supports are formed in the horizontal supports, so that the movable platform 3 on two sides can transversely slide along the whole movable platform 3.
The track beam is arranged on the inner side of the moving platform 3 in the transverse direction, as shown in fig. 4, the track beam is of an L-shaped structure and is integrated with the moving platform 3, and is used for guiding a suspension type monorail train into an overhaul platform from a line running track, and when the moving platform 3 is adjusted to an initial position (when meeting the track gauge requirement of a train), the vehicle can be guaranteed to run onto the overhaul platform under the action of a traction power supply. The track beam on the mobile platform can move along with the platform, so that the disassembly and assembly of the track beam are avoided, and the overhaul operation efficiency is effectively improved.
The support structure 1 is also symmetrically provided with a middle horizontal support for fixing the lifting device 5, as shown in a schematic lifting device structure shown in fig. 5, the lifting device 5 comprises a sliding rod 501, a fixing unit 502 and a telescopic lifting unit 503, wherein two ends of the sliding rod 501 are respectively fixed on the middle horizontal support of the support structure 1, and the two ends can longitudinally slide along the middle horizontal support, so that the lifting device 5 is driven to integrally longitudinally move (move along the track direction); the bottom of the sliding rod 501 is provided with two fixing units 502, the fixing units 502 are preferably in a middle through hole structure, the top of the fixing units is fixed with the sliding rod 501, the middle of the fixing units is transversely fixed with a telescopic lifting unit 503, and the telescopic lifting unit 503 can vertically move along the fixing units 502; one end of the telescopic lifting unit 503 is a telescopic end and is arranged opposite to the telescopic end, so that the bogie can be penetrated into and lifted up.
The lifting device 5 is arranged on the outer side of the track beam, and after the bogie and the car body are lifted to be separated from the track beam by the lifting device 5, the car roof equipment can be ensured to be exposed through the moving platform 3 to move to two sides, so that the car roof equipment is convenient to overhaul.
Each bogie corresponds to a set of lifting device, and through the sliding of the sliding rod 501 of the lifting device and the expansion and contraction of the expansion and contraction lifting unit 503, a proper lifting point can be adjusted, the lifting point is inserted into a lifting opening on the bogie, and a suspended monorail train entering the maintenance platform is lifted, so that the vehicle is separated from a track beam on the movable platform 3. According to the movable maintenance platform, the lifting force arm of the lifting device 5 is close to the bogie, so that accurate alignment can be realized, and the lifting precision is improved.
Preferably, the support structure 1 is also provided with a safety rope hanging rod, so that the operation safety of operators can be ensured.
Further, the top of the support structure 1 is provided with a crane 4, as shown in fig. 6, which is a schematic diagram of the crane structure, the crane 4 is preferably fixed on a middle support at the top of the support structure 1, and the bottom end is a hoisting end, and is used for hoisting and moving roof equipment when the train is disassembled and assembled. The number of the disassembled parts is large, the mass is large, the movement from top to bottom, front and back and left and right directions can be realized through the crane, and the disassembled parts are further transferred to the transfer trolley, so that the overhaul and transfer process is flexible. The traveling crane can transfer parts detached from the vehicle roof, so that the physical strength of workers is saved, and the overhaul operation efficiency is improved.
The bottom of the support structure 1 is provided with a plurality of transfer trolleys 6, and the transfer trolleys 6 can lift up and down and are used for supporting a train body, dragging the train body when the train is disassembled, and being used for transferring the train body and train components after the disassembly is completed.
According to the movable maintenance operation platform of the suspended monorail train, the movable platform and the fixed platform are combined, meanwhile, the bogie and the train body are lifted together by the lifting device, after the wheel set and the track beam are separated, the movable platform can move to two sides of the track to expose roof equipment, so that maintenance operation of a roof of an operator is facilitated, and the track beam on the movable platform moves along with the platform, so that disassembly and assembly of the track beam are avoided, and maintenance operation efficiency is effectively improved; the transfer trolley not only can move parts, but also has a lifting function, and can realize the lifting function of the vehicle body; the self-contained traveling crane system is convenient for transporting parts, greatly shortens maintenance operation time, reduces the workload of maintenance operators and saves physical strength.
The movable maintenance work platform of the suspended monorail train can effectively match the outline of the suspended monorail train, ensure that vehicles can normally drive into the work platform without limit invasion, ensure that the vehicles do not collide when jacking up, and ensure that maintenance work is smoothly carried out according to the structural characteristics of the train.
Aiming at the main equipment arrangement position and the overhaul process flow of the suspended monorail train, the movable overhaul platform can effectively match each step of the overhaul process flow of the suspended monorail train, achieves the aim of improving the overhaul operation efficiency, and can ensure the work safety of operators.
The invention relates to a movable maintenance operation platform of a suspension type monorail train, which comprises the following operation steps:
(1) The vehicle runs from a positive line to the track beam of the mobile platform 3;
(2) The longitudinal position of the lifting device 5 is adjusted to correspond to each bogie, the telescopic lifting end is adjusted to a proper lifting point, and the telescopic lifting end is inserted into a lifting opening on the bogie to lift the vehicle so as to separate the vehicle from the track beam on the mobile platform 3;
(3) The movable platform 3 moves to two sides to expose roof equipment;
for the operation of three months inspection and wheel changing of the vehicle, an operator overhauls the roof equipment or changes wheel pairs on the fixed platform 2; after the completion, the mobile platform 3 moves to the middle to the track gauge which meets the running requirement of the vehicle; the lifting device 5 drops the bogie and the car body;
when the key or comprehensive maintenance operation of the vehicle is carried out, an operator separates a coupler buffer between the vehicle bodies and a workshop connecting device, all carriages are not connected in series any more, the vehicle is unbinding, the bottom transfer trolley 6 is lifted and towed, and/or the lifting device 5 is actively arranged on the transfer trolley 6 downwards; the operator disassembles roof equipment first, disassembles connecting device between bogie and automobile body again, disassembles each part in the automobile at last, and each disassembled part moves to transfer trolley 6 through the line crane 4 at maintenance operation platform top, and transfers to each corresponding maintenance warehouse.
Wherein, when the key or comprehensive overhaul operation, the disassembly work specifically comprises the following steps:
the operator disassembles roof equipment including air conditioning equipment, traction power transformation equipment, electric pipelines, air pipelines and the like;
the operator can disassemble the central suspension system at the bottom of the bogie from the top of the car body, so that the bogie is separated from the car body; the bogie is transported by a traveling crane 4 at the top of the overhaul operation platform, moved to a transport trolley 6 and transported to a bogie overhaul warehouse;
the operator continuously disassembles the door window, the coupler device, the braking system, the electrical equipment and the air conditioning unit on the vehicle, the disassembled parts are placed on the transfer trolley 6 through the crane 4, and the disassembled parts are moved to a part maintenance area to be carefully disassembled, cleaned, overhauled and debugged, and replaced parts, and reassembled after the debugging is normal, and the assembled parts are stored in a qualified area to be assembled;
when in key or comprehensive maintenance operation, the operation process of the assembly operation comprises the following steps:
placing the overhauled bogie on a track beam of the mobile platform 3 through a crane 4, lifting the bogie through a lifting device 5, and opening the mobile platform 3; under the lifting of the movable trolley, the traveling crane 4 lifts up parts of the roof and moves the parts to the roof, and an operator performs vehicle body assembly operation on the fixed platform 2;
after the car body is assembled, all the detached cover plates are installed, operators check that all the parts are connected without errors, then the car body and the bogie are connected, the moving platform 3 moves to the middle to enable the track gauge to meet the running requirement of the car, the bogie and the car body fall down through the lifting device 5, after wheels are in contact with the track beams, the lifting device moves away to two sides, the car bodies move to be in butt joint, and the car coupler is connected.
In order to better illustrate the device and method of the present invention, the following description will take suspension type monorail three month inspection, wheel changing operation and key overhaul/comprehensive overhaul operation as examples.
When the vehicle performs the three-month inspection operation, the vehicle runs on the operation platform to start the operation. The lifting device 5 goes deep into the bogie, the bogie and the car body are lifted together for 3-5 mm, and at the moment, the wheels are separated from the track beam. The movable platform 3 moves to both sides of the track, exposing the roof equipment, a central suspension system between the bogie and the car body, a secondary suspension device, and the like. The operator ties a safety rope on the fixed platform 2 and connects the other end to the bracket structure 1, the equipment of the vehicle roof is carefully checked, after the checking is finished, the operator leaves the vehicle roof, the movable platform 3 moves to the middle to restore the original state, and the lifting device drops the bogie and the vehicle body.
When the vehicle performs wheel changing operation, the operation flow of the movable maintenance operation platform is basically consistent with that of March inspection, and the maintenance content is adjusted to be changed into wheel pairs.
When the vehicle performs the major overhaul/comprehensive overhaul operation, the vehicle is towed to the operation platform to start the operation. The lifting device 5 goes deep into the bogie, the bogie and the car body are lifted together for 3-5 mm, and at the moment, the wheels are separated from the track beam. The movable platform 3 moves to both sides of the track, exposing the roof equipment, a central suspension system between the bogie and the car body, a secondary suspension device, and the like. The suspended monorail overhauling operation is concentrated on the roof, in order to ensure the safety of operators, safety padlock is preferably arranged, the operators tie safety ropes on the fixed platform 2 and connect the other end of the safety ropes to the support structure 1, and the workshop connecting device and the coupler are separated to complete the unlocking of the vehicle. Two transfer trolleys 6 are arranged under a single-section vehicle, and the transfer trolleys 6 are lifted upwards to lift the vehicle body. At this time, the overhauling operator first installs and removes roof equipment on the roof, including air conditioning equipment, traction substation equipment, electric pipeline and gas pipeline etc., removes the equipment that will tear down to fixed platform 2 through the crane 4 and puts, disassembles connecting device between bogie and the automobile body again for after bogie and the automobile body separation, the operator goes to on the fixed platform 2. At this time, the transfer trolley 6 moves to move the vehicle body into the vehicle body overhaul storage for overhaul. After the bogie is lifted by the crane 4, the lifting arms of the lifting device 5 are moved away, the bogie is slowly put down on the transfer trolley 6 below, and the transfer trolley 6 moves the bogie to the bogie warehouse for disassembly and maintenance. The other parts are moved from the fixed platform 2 to the transfer trolley 6 by the same method and are respectively transferred to the part classification maintenance areas for maintenance. And the operation flow of the movable maintenance operation platform of the assembly work is reversed.
The operation method of the movable maintenance operation platform of the suspended monorail train is matched with the operations of disassembly, assembly, transportation, hoisting and the like in the maintenance process flow, has high precision, can improve the overall maintenance efficiency, ensures the maintenance safety of operators, can meet the requirements of three-month maintenance, wheel replacement maintenance, key maintenance and comprehensive maintenance, and has strong applicability.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The movable maintenance work platform of the suspended monorail train is characterized by comprising a bracket structure (1), a fixed platform (2), a movable platform (3) and a lifting device (5), wherein the fixed platform (2), the movable platform (3) and the lifting device (5) are arranged on the bracket structure (1);
the support structure (1) comprises a plurality of horizontal supports and vertical supports, two fixed platforms (2) are arranged on the inner sides of the vertical supports, moving platforms (3) are correspondingly arranged on the fixed platforms (2) respectively, the tops of the moving platforms (3) can slide transversely along the support structure (1) so as to expose roof equipment, and track beams corresponding to a positive line track are arranged on the top surfaces of the moving platforms (3); the mobile platform (3) comprises a bottom plate, connecting rods and sliding blocks, and the bottom plate is fixedly connected with the sliding blocks through a plurality of connecting rods;
the support structure (1) is also symmetrically provided with a middle horizontal support so as to transversely fix the lifting device (5), the lifting device (5) can longitudinally slide along the middle horizontal support, and the lifting device (5) is transversely provided with corresponding telescopic and lifting units so as to lift the bogie and the vehicle together to be separated from the track beam;
the lifting device (5) comprises a sliding rod (501), two fixing units (502) are arranged at the bottom of the sliding rod (501), the top of the sliding rod is fixed with the sliding rod (501), and a telescopic lifting unit (503) is transversely fixed in the middle of the sliding rod.
2. The movable maintenance work platform of the suspension type monorail train according to claim 1, wherein a plurality of transfer trolleys (6) capable of lifting up and down are arranged at the bottom of the support structure (1), and the trolley body is towed when the train is disassembled and is used for transferring the trolley body and the parts after the disassembly is completed.
3. A suspended monorail car mobile service work platform according to claim 1 or 2, characterized in that the top of the supporting structure (1) is provided with a crane (4).
4. A suspended monorail car mobile service platform according to claim 1 or 2, characterized in that the two ends of the sliding rod (501) are fixed to the middle horizontal support of the support structure (1) and can slide along the longitudinal direction thereof.
5. The mobile maintenance platform of claim 4, wherein one end of the telescopic lifting unit (503) is a telescopic end and is disposed opposite to the telescopic end.
6. The mobile maintenance platform of a suspended monorail car of claim 5, wherein said telescoping lifting unit (503) is vertically movable along said fixed unit (502).
7. The movable maintenance work platform of the suspended monorail train according to claim 1, wherein the sliding blocks are arranged on a transverse horizontal bracket at the top of the bracket structure (1), and sliding grooves matched with the transverse horizontal bracket are formed in the transverse horizontal bracket, so that the moving platforms (3) at two sides can integrally slide along the transverse horizontal bracket.
8. A method of operating a mobile maintenance platform for a suspended monorail car according to any one of claims 1 to 7, comprising the steps of:
s1, a vehicle runs from a positive line to a track beam of a mobile platform (3);
s2, a lifting device (5) adjusts a proper lifting point to lift the vehicle so as to separate the vehicle from the track beam on the mobile platform (3);
s3, the movable platform (3) moves to two sides to expose roof equipment;
for the operation of three-month inspection and wheel changing of the vehicle, an operator overhauls the roof equipment or changes the wheel set on the fixed platform (2); after the movement is completed, the movable platform (3) moves to the middle until the track gauge meets the running requirement of the vehicle; the lifting device (5) falls down the bogie and the car body;
when the vehicle is subjected to key or comprehensive maintenance operation, an operator performs vehicle de-braiding, the bottom of the vehicle is lifted and towed by the transfer trolley (6), and/or the lifting device (5) is moved downwards and is arranged on the transfer trolley (6); the operator disassembles roof equipment first, disassembles connecting devices between the bogie and the car body, disassembles all parts in the car at last, and moves to a transfer trolley (6) through a crane (4) at the top of the maintenance operation platform, and conveys to a corresponding maintenance warehouse.
9. The method of claim 8, wherein in step S3, during the major or complete maintenance operation, the assembly operation comprises the steps of:
placing the overhauled bogie on a track beam of a mobile platform (3) through a crane (4), lifting the bogie through a lifting device (5), and opening the mobile platform (3); under the lifting of the movable trolley, the traveling crane (4) lifts up parts of the roof and moves the parts to the roof, and an operator performs vehicle body assembly operation on the fixed platform (2);
the car body and the bogie are connected, the movable platform (3) moves to the middle to enable the track gauge to meet the running requirement of the car, the bogie and the car body are dropped by the lifting device (5), after wheels are contacted with the track beams, the lifting device (5) moves to two sides, the car bodies move to be in butt joint, and the car couplers are connected.
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| CN202011560595.8A CN112479089B (en) | 2020-12-25 | 2020-12-25 | Movable overhaul operation platform of suspension type monorail train and operation method thereof |
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| CN115417342B (en) * | 2022-09-15 | 2024-06-11 | 中铁二院工程集团有限责任公司 | Maintenance operation platform and maintenance method convenient for maintenance of suspended monorail vehicle |
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