CN110725169B - Multifunctional magnetic suspension train rail transporting and laying machine - Google Patents
Multifunctional magnetic suspension train rail transporting and laying machine Download PDFInfo
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- CN110725169B CN110725169B CN201911131937.1A CN201911131937A CN110725169B CN 110725169 B CN110725169 B CN 110725169B CN 201911131937 A CN201911131937 A CN 201911131937A CN 110725169 B CN110725169 B CN 110725169B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
- E01B29/20—Moving rails placed on installed sleepers in the plane track
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Abstract
The invention relates to the technical field of magnetic levitation train track laying equipment, in particular to a multifunctional magnetic levitation train track transporting and laying machine, which comprises a frame assembly, a generator set, an electrical control system and a hydraulic power system, wherein the generator set is arranged on the frame assembly; the stepping type walking mechanism is core equipment for realizing the running of the frame assembly on the track, and can enable the frame assembly to move on the track in a stepping mode, so that the rail can be transported by using the new track, and the rail laying operation can be finished by fixing the frame assembly on the new track. The frame assembly can be provided with a plurality of rail transporting and rail laying related equipment to complete rail transporting and rail laying. The invention improves the construction operation efficiency, reduces the investment of rail laying equipment, reduces the cost of manpower and material resources, achieves the purpose of comprehensively saving various costs and creating higher economic benefit.
Description
Technical Field
The invention relates to the technical field of magnetic levitation train track laying equipment, in particular to a multifunctional magnetic levitation train track transporting and laying machine.
Background
The magnetic suspension train is one of urban vehicles, and the rail freight yard cannot be comprehensively stored along the rail because the magnetic suspension train runs in the whole section and runs in the city. In addition, the track structure and the running mode of the magnetic levitation train are different from those of the conventional common rail-mounted train, so that the track laying of the magnetic levitation train is greatly different from that of the conventional rail-mounted train, namely, the track lifting and laying of the conventional rail-mounted train can carry out track laying operation by means of a new track laying process, and the track laying of the magnetic levitation train cannot use the new track laying process, so that the conventional track laying equipment (designed according to the conventional rail laying process) cannot meet the track laying requirement of the magnetic levitation train.
In addition, the magnetic levitation train also has an open-air operation section, a tunnel operation section, an underground operation section, a curved road section, a small slope road section, etc., so that the tracks of the magnetic levitation train are laid open-air, underground, tunnel, and curve. The new track is paved and then the track is maintained and replaced later, and a plurality of different schemes are needed to be designed according to different paving situations according to different road conditions.
Different laying schemes need corresponding laying equipment to finish track laying, but due to the adoption of multiple sets of construction methods, multiple construction schemes and construction equipment are needed, and the problems of excessive management links, difficulty in efficient coordination, relatively high cost of the laying equipment, relatively high cost of equipment maintenance links, low efficiency and the like in the whole project track laying construction process are caused due to the fact that the lifting and the storage of the tracks are also caused.
Disclosure of Invention
Comprehensively considering the rail laying problems of different road sections, combining project overall requirements, project stock ground conditions, track road condition conditions, whole rail laying period requirements of rail laying and rail correcting, and the like, how to provide a magnetic levitation rail laying system so as to improve rail laying efficiency becomes a problem to be solved urgently by those skilled in the art.
In order to achieve the above object, the present invention provides the following technical solutions:
A multi-functional maglev train rail-handling rail-laying machine comprising: a frame assembly; the generator set is arranged on the frame assembly and used for providing electric energy; the electric control system is used for controlling electric equipment in the multifunctional maglev train rail transporting and laying machine; a hydraulic power system for providing hydraulic power, the hydraulic power system including a hydraulic station; the stepping type walking mechanism is arranged at the bottom of the frame assembly and used for driving the frame assembly to move in a stepping mode on the track, and a hydraulic control system of the stepping type walking mechanism is connected with the hydraulic station.
Preferably, a lifting system is arranged in the frame assembly, the lifting system comprises two longitudinal rails which are arranged in parallel, a transverse rail is slidably matched with the longitudinal rails, and a lifting trolley is arranged on the transverse rail.
Preferably, the step-by-step travelling mechanism comprises a frame travelling jacking mechanism for lifting the frame assembly and a travelling beam for realizing the step-by-step of the frame assembly in a sliding fit manner with the frame assembly, wherein a step cylinder is hinged on the frame assembly, and the tail end of the step cylinder is connected with the travelling Liang Dongli and is used for driving the travelling beam to move or pulling the frame assembly to move on the travelling beam.
Preferably, a locking mechanism is arranged at the tail end of the stepping oil cylinder, the locking mechanism is provided with a telescopic locking pin, and a locking hole which is in plug-in fit with the locking pin is formed in the walking beam.
Preferably, the walking beam is an inverted U-shaped channel steel structure, and a guide device which is propped against an anchor bolt of the magnetic suspension train track and used for guiding the movement of the walking beam is arranged on the inner side surface of the walking beam.
Preferably, the walking beams are provided with two groups, and the two groups of walking beams are arranged at the lower side of the frame assembly at intervals; two groups of curve walking adjusting hydraulic cylinders are arranged at the bottom of the frame assembly, and the tail ends of the curve walking adjusting hydraulic cylinders are connected with sliding blocks which can be propped against or in sliding fit with the top surface of the walking beam through ball head hinges.
Preferably, a horizontal adjusting device for adjusting the walking beam in the horizontal direction is arranged on the frame assembly through a horizontal pulling oil cylinder, and the horizontal adjusting device is sleeved on the walking beam.
Preferably, an anti-overturning wind-proof fixed anchor is arranged at the bottom of the frame assembly.
Preferably, the anti-overturning wind-proof fixed anchor is arranged at the bottom of the frame assembly in an up-down adjustable manner through an anchoring oil cylinder.
Compared with the prior art, the invention has the following beneficial effects:
The invention provides a multifunctional maglev train track rail-moving and laying machine, which comprises: the rack assembly is used for loading rail beams and the like; the electric power system comprises a generator set, an electric control system and a hydraulic power system, wherein the generator set, the electric control system and the hydraulic power system are used for providing electric energy and hydraulic energy for the electric equipment and controlling the electric equipment; the stepping type walking mechanism is core equipment for realizing the running of the frame assembly on the track, and can enable the frame assembly to move on the track in a stepping mode, so that the rail can be transported by using the new track, and the rail laying operation can be finished by fixing the frame assembly on the new track. The frame assembly is used as the skeleton of the invention, and various rail-moving and rail-laying related equipment can be arranged in the frame assembly to assist in rail-moving and rail-laying.
The invention relates to a multifunctional magnetic levitation train rail transporting and laying machine which is designed according to the track laying engineering quantity, the track storage stock ground position and the track section condition, and the combination of the track laying, the track correcting time period and the track laying flow period, not only can meet the technical requirements of various road conditions and laying, but also can ensure the efficient construction of the whole process of installing and debugging the whole rail from the stock ground hanging rail transporting to the track laying site, solves the problem that the working condition of each section can be safely laid, and can also be combined with the project place to modify and design according to the stock ground setting condition and the engineering progress requirement, thereby realizing the purpose of efficient construction, reducing the cost and energy consumption of rail laying equipment, improving the production efficiency, simplifying the procedure link and creating a certain economic value. The invention can realize the scientific design of engineering. The construction operation efficiency is improved, the investment of rail laying equipment is reduced, the cost of manpower and material resources is reduced, and the purposes of comprehensively saving various costs and creating higher economic benefits are achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is a schematic diagram of the construction of a multifunctional maglev train rail-carrying rail-laying machine of the present invention when laying a rail in an outdoor straight line segment;
FIG. 2 is a schematic diagram of the track-handling rail-laying machine of the multifunctional maglev train of the present invention when laying a track in an outdoor curve section;
FIG. 3 is a schematic view of a partial structure of a stepping cylinder according to an embodiment of the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic diagram of the structure of a multifunctional maglev train rail-carrying rail-laying machine in a use state according to an embodiment of the present invention;
In fig. 1 to 5, the correspondence between the component names and the reference numerals is:
the device comprises a frame assembly 1, a longitudinal rail 2, a transverse rail 3, a lifting trolley 4, a frame walking jacking mechanism 5, a walking beam 6, a stepping oil cylinder 7, a locking mechanism 8, a guiding device 9, a curve walking adjusting hydraulic cylinder 10, a sliding block 11, an anti-overturning and wind-proof fixed anchor 12, an anchoring oil cylinder 13, a transverse pulling oil cylinder 14 and a horizontal adjusting device 15.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the invention and not limitation of the invention. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a multifunctional maglev train rail transporting and laying machine of the present invention when laying a rail in an outdoor straight line segment; FIG. 2 is a schematic diagram of the track-handling rail-laying machine of the multifunctional maglev train of the present invention when laying a track in an outdoor curve section; FIG. 3 is a schematic view of a partial structure of a stepping cylinder according to an embodiment of the present invention; FIG. 4 is a side view of FIG. 3; FIG. 5 is a schematic diagram of a multifunctional maglev train rail-handling rail-laying machine in use according to an embodiment of the present invention
The invention provides a multifunctional maglev train track rail-moving and laying machine, which comprises: a frame assembly 1; the generator set is arranged on the frame assembly 1 and used for providing electric energy; the electric control system is used for controlling electric equipment in the multifunctional maglev train rail transporting and laying machine; the hydraulic power system is used for providing hydraulic power and comprises a hydraulic station; the stepping type walking mechanism is arranged at the bottom of the frame assembly 1 and used for driving the frame assembly 1 to move in a stepping way on a track, and a hydraulic control system of the stepping type walking mechanism is connected with the hydraulic station.
In the invention, the multifunctional magnetic levitation train rail transporting and laying machine is provided with two transporting mechanisms, one is a rail transporting machine and the other is a rail laying machine, wherein the rail transporting machine only has a transporting function, and the rail laying machine has both the transporting function and the rail laying function. The rail conveyor is identical to the main body structure of the rail laying machine, and the difference is that a lifting system is arranged on the rail laying machine, and rail laying parts loaded on the rail conveyor or the rail laying machine can be lifted onto the rail beams through the lifting system.
The outline of the frame assembly 1 is similar to the outline of an actual maglev train, so that the maximum bearing capacity in the frame assembly 1 is ensured, and meanwhile, the track can smoothly pass along the track (if the frame assembly 1 is too large, a culvert or a tunnel cannot be accessed, if the frame assembly 1 is too small, the bearing capacity is small, and the paving mileage of the frame assembly 1 in one round trip is reduced.)
In order to meet the transfer requirement of components with larger mass, a lifting system is arranged in the frame assembly 1, the lifting system comprises two longitudinal rails 2 which are arranged in parallel, a transverse rail 3 is in sliding fit with the longitudinal rails 2, and a lifting trolley 4 is arranged on the transverse rail 3. The longitudinal rail 2 is fixedly arranged on the inner top of the frame assembly 1, an electric mechanism or a hydraulic motor structure is arranged on the longitudinal rail 2, and the transverse rail 3 is arranged through the electric mechanism or the hydraulic motor structure. An electric mechanism or a hydraulic motor structure is also mounted on the transverse rail 3, and a lifting trolley 4 is arranged through the electric mechanism or the hydraulic motor structure mounted on the transverse rail 3. Because the extension length of the longitudinal rail 2 is longer, in order to avoid the problem of bending, the top of the frame assembly 1 is provided with the zipper mechanism, the zipper mechanism is connected with the longitudinal rail 2 and forms a triangle structure, and the deformation resistance of the longitudinal rail 2 can be increased by using the zipper mechanism.
Specifically, the walking mechanism comprises a frame walking jacking mechanism 5 for lifting the frame assembly 1 and a walking beam 6 for sliding fit with the frame assembly 1 to realize the walking of the frame assembly 1, wherein a stepping oil cylinder 7 is hinged on the frame assembly 1, and the tail end of the stepping oil cylinder 7 is in power connection with the walking beam 6 and is used for driving the walking beam 6 to move or pulling the frame assembly 1 to move on the walking beam 6.
When the stepping oil cylinder 7 is used for pulling the frame assembly 1 to slide on the walking beam 6, the end part of the stepping oil cylinder 7 needs to be hinged with the walking beam 6 in a stable (non-sliding) manner, so that the tail end of the stepping oil cylinder 7 is provided with the locking mechanism 8, the locking mechanism 8 is provided with a telescopic locking pin, and the walking beam 6 is provided with a locking hole in plug-in fit with the locking pin.
Specifically, the walking beam 6 is an inverted U-shaped channel steel structure, and a guide device 9 which is abutted against an anchor bolt of the magnetic levitation train track and used for guiding the movement of the walking beam 6 is arranged on the inner side surface of the walking beam 6.
Specifically, the walking beams 6 are provided with two groups, and the two groups of walking beams 6 are arranged at intervals on the lower side of the frame assembly 1; two groups of curve walking adjusting hydraulic cylinders 10 are arranged at the bottom of the frame assembly 1, and the tail ends of the curve walking adjusting hydraulic cylinders 10 are connected with sliding blocks 11 which can be propped against or in sliding fit with the top surface of the walking beam 6 through ball head hinges.
The horizontal adjusting device 15 for adjusting the walking beam 6 in the horizontal direction is arranged on the frame assembly 1 through the horizontal pulling oil cylinder 14, and the horizontal adjusting device 15 is sleeved on the walking beam 6.
In order to improve the stability of the frame assembly 1 during running and operation, the invention is provided with an anti-overturning wind-proof fixed anchor 12 at the bottom of the frame assembly 1. Specifically, the anti-capsizing wind-proof fixed anchor 12 is arranged at the bottom of the frame assembly 1 in an up-down adjustable way through the anchoring cylinder 13.
In the multifunctional maglev train track transporting and laying machine provided by the invention, the multifunctional maglev train track transporting and laying machine (for convenience of description, the multifunctional maglev train track transporting and laying machine is hereinafter referred to as a laying machine for short) can carry out special design adjustment and equipment control system setting according to different region projects and according to the overall construction requirements of project track laying, track stock ground positions, road condition conditions of running tracks, project construction progress requirements, construction efficiency requirements and the like, and the laying machine can enable the laying machine to efficiently finish track laying tasks.
Through reasonable structural design, the invention can meet the requirement of paving operation of the whole track and the requirement of later track replacement operation only by one set of track conveyor and one set of track laying machine. The two sets of mechanical equipment provided by the invention can enable the whole track laying construction flow to be easy to scientifically design, and has the advantages of high construction efficiency, low track laying construction cost, high economic benefit and the like.
Specifically, in the invention, the equipment comprises the following components:
the multifunctional maglev train track transporting and laying machine provided by the invention consists of a track laying machine and a track transporting machine, and the two devices can work independently.
The track laying machine consists of a frame assembly 1, a lifting trolley 4, a frame walking jacking mechanism 5, a walking beam 6, a stepping walking mechanism, a hydraulic control system, a walking beam 6 guiding device 9 assembly, a hydraulic control system, a bending section walking automatic adjusting device, a hydraulic control system, an anti-overturning and windproof anchoring safety protection mechanism, a hydraulic control system, a frame anti-overturning device, a power assembly, a hydraulic station assembly, an electric control system, a combined stacking rod and the like.
The rail transporting machine consists of a frame assembly 1, a frame walking jacking mechanism 5 assembly, a walking beam 6, a stepping walking mechanism and hydraulic control system, a walking beam 6 whole mechanism assembly, a walking beam 6 guiding device 9 assembly and hydraulic control system, a bending section walking automatic adjusting device and hydraulic control system, an anti-overturning and windproof anchoring safety protection mechanism and hydraulic control system, a frame anti-overturning device, a power assembly, a hydraulic station assembly, an electric control system, a combined stacking rod and the like.
In the track laying machine and the track transporting machine, the two equipment structures are similar, the two equipment structures are provided with energy sources by adopting a generator set, the whole control operation of the equipment is carried out by an electric control system, and the hydraulic station is provided with hydraulic power to realize the action of the equipment.
The track laying flow is designed as follows:
According to the distance from a stock yard to a laying site, the total quantity of the once-running rail and accessories (the total number of the once-running rail), the on-site rail laying, the working time period adjustment and the like, working procedures are designed, and according to the procedures, rail loading, rail conveying, rail unloading and transferring, rail conveying returning, rail conveying, on-site rail hanging laying, rail correcting, single-section rail laying are completed, the on-site rail laying is controlled to run to the next section rail laying position for next laying, and the cycle is completed.
1. Rail transport machine working principle:
1a, hoisting track beams, tracks and accessories:
the method comprises the steps of starting a generator set to generate electricity, enabling an electric control system to electrify, starting a hydraulic station to operate, switching a manual control system, pressing a top frame button, automatically controlling a top frame oil cylinder to lift a frame assembly 1 into place (simultaneously taking a walking beam 6 out of a track table), synchronously delaying to start an anchoring oil cylinder 13 of an anti-overturning and windproof anchoring safety protection mechanism by the control system to lower a safety protection frame into place, starting a stepping oil cylinder 7 to move the walking beam 6 forward by one cycle, pressing a frame lowering and homing button, controlling the top frame oil cylinder to lower the frame assembly 1 onto the walking beam 6 for homing, controlling the system to stop, hoisting a track and accessories, and carrying out classified hoisting, stacking in place and fixing according to a shipment design scheme of one-time shipment total section number.
1B, rail conveyor load operation:
Starting a generator set to generate electricity, electrifying an electrical control system to operate, starting a hydraulic station to operate, switching an automatic control system for forward movement, and pressing a button for forward movement of the whole machine (the automatic control of the system sequentially completes the following actions): the method comprises the steps of starting an anchoring oil cylinder 13 of an anti-capsizing and windproof anchoring safety protection mechanism to be lifted to an operation safety protection setting position, starting a stepping oil cylinder 7 to pull a frame assembly 1 to move forward by one circulation position to be in place, starting a jacking oil cylinder to jack the frame assembly 1 to be in place (simultaneously taking a walking beam 6 out of a track table), starting the stepping oil cylinder 7 to pull the walking beam 6 to move forward by one circulation position to start the jacking oil cylinder to lower the frame assembly 1 to be in place (simultaneously taking the walking beam 6 back to the track table and realizing the frame assembly 1 to the walking beam 6), repeating the processes in sequence until a track laying site, automatically controlling and stopping operation by an automatic control system, adjusting a track unloading position of a transport vehicle if necessary, switching manual control to enable the track transporter to be operated to the corresponding unloading position by the manual control, and repeating the operation process after the manual control to stop unloading is finished, and enabling the track transporter to be opened to a cargo field to carry out next transport work.
1C, no-load return operation of the rail conveyor:
Starting a generator set to generate electricity, electrifying an electrical control system to operate, starting a hydraulic station to operate, switching back to an automatic control system, and pressing a whole machine return button (the automatic control of the system sequentially completes the following actions): the anchoring cylinder 13 of the anti-capsizing and anti-wind anchoring safety protection mechanism is started to be lifted to the running safety protection setting position, the jacking cylinder jack-up frame assembly 1 is started to be in place (meanwhile, the walking beam 6 is lifted off the track table), the stepping cylinder 7 is started to pull the walking beam 6 to be moved back to the corresponding lifting position by one cycle, the jacking cylinder is started to lower the frame to be in place (meanwhile, the walking beam 6 is fallen back to the track table and the frame assembly 1 is put on the walking beam 6), the stepping cylinder 7 is started to pull the frame assembly 1 to be moved back to be in place by one cycle (one cycle is completed), the processes are repeated in sequence until a goods yard is finished, the automatic control system automatically controls to stop running, if necessary, the lower wheel of the transport vehicle is regulated to lift the track parking position, the rail conveyor is manually controlled to be operated to the corresponding lifting position by the manual control, the parking is manually controlled to be loaded after the rail conveyor is in place, and the rail conveyor returns to the running procedure.
2. Working principle of rail laying machine:
2a, unloading:
The method comprises the steps of starting a generator set to generate electricity, enabling an electrical control system to run, starting a lifting trolley 4 to run to a unloading side, sequentially transferring a track beam, a track and accessories from a track conveyor to a track laying machine platform, and running the lifting trolley 4 to the track laying machine side after unloading and unloading.
2B, rail laying:
The power generation of the generator set is started, the electric control system is electrified to run, the lifting trolley 4 is started to mount and adjust the rail on the rail bearing beam in sequence (the operation construction of the lifting trolley 4 can be carried out singly, the operation construction of the lifting trolley 4 can be carried out respectively, the mounting and adjustment of the lifting rail are carried out, the operation construction of the lifting trolley 4 can be carried out singly, the combined lifting construction of the lifting trolley 4 can be carried out respectively), the mounting and adjustment of the single-section rail are carried out, the lifting trolley 4 is operated into the frame, and the single-section rail laying process is completed.
2C, longitudinally moving the rail laying machine backwards to enter the next rail laying station:
Starting a generator set to generate electricity, electrifying an electrical control system to operate, starting a hydraulic station to operate, switching an automatic control system of the track laying machine, and pressing a whole machine backward movement button (the automatic control of the system sequentially completes the following actions): the anchoring cylinder 13 of the anti-capsizing and windproof anchoring safety protection mechanism is started to be lifted to a set position for the backward running safety protection, the lifting cylinder jack-up frame assembly 1 is started to be in place (meanwhile, the walking beam 6 is lifted off the track table), the stepping cylinder 7 is started to pull the walking beam 6 to move backward until the walking beam 6 enters the set position of the track laying parking space of the next section of track, the system is automatically started to lift up the jacking cylinder to put the frame assembly 1 in place after the in-place, the stepping cylinder 7 is started to pull the frame assembly 1 until the track laying machine enters the track laying parking space of the next section of track, the system is automatically controlled to start the anti-capsizing and windproof anchoring safety protection mechanism after the track laying machine is put down to the set position for the track laying safety protection, the system is automatically controlled to stop running after the track laying machine is longitudinally moved into the next track laying station process to be completed, and the next section of track laying process can be carried out.
In the invention, the hardware system is composed of the following components:
3. Frame walking jacking mechanism 5
The frame walking jacking mechanism 5 consists of four jacking oil cylinder assemblies, a spherical hinge support, a mounting base, a travel control device, a hydraulic control system, a PLC control system and the like.
The frame walking jacking mechanism 5 has the functions of: the device is mainly used for jacking the frame assembly 1 when the rail conveyor and the rail laying machine move forward and backward, lifting the walking beam 6 away from the supporting table surface to move forward and backward longitudinally, and ensuring that the frame assembly 1 is held relatively and does not slide down all the time in the whole longitudinal moving process of the walking beam 6.
Frame jacking working principle: the hydraulic station is started to operate, the frame jacking control system is started, the system controls the electromagnetic directional valve to electrify, pressure oil enters the rodless cavity of the oil cylinder through the electromagnetic directional valve, the hydraulic control one-way valve and the one-way throttle valve to jack up the frame, the oil supplementing loop simultaneously charges oil and pressurizes the energy accumulator, meanwhile, the oil way of the rod cavity is opened, hydraulic oil flows back to the oil tank through the one-way throttle valve, the hydraulic control one-way valve and the electromagnetic directional valve, after the hydraulic oil flows in place, the pressure relay and the travel switch respectively send in-place signals to the PLC control system, after the hydraulic oil is processed by the PLC control system, the system automatically controls the electromagnet in the hydraulic control loop to cut off, meanwhile, the electromagnetic directional valve is cut off in time, the hydraulic loop is cut off rapidly, the oil way is locked, the oil cylinder stops rising, and the frame jacking action is completed.
The working principle of pressure maintaining and protecting of a climbing frame is as follows: when the pressure is reduced to the lowest set value of the load pressure maintaining due to leakage, the pressure relay timely sends signals to the PLC control system, after the signals are processed by the PLC control system, the system controls the electromagnetic directional valve to open the pressure maintaining control loop to maintain the pressure, when the pressure is reduced to the lower limit set value of the pressure maintaining after the energy accumulator is involved in the pressure maintaining due to leakage, the pressure relay and the travel switch continuously slide downwards, when the pressure is reduced to the set value, the signals are timely sent to the PLC control system, the system directly controls the hydraulic station to start, the electromagnetic directional valve is electrified, pressure oil enters the rodless cavity of the oil cylinder through the hydraulic valve to charge oil and pressurize, the jack-up is lifted, meanwhile, the energy accumulator is charged with oil and pressurized, when the pressure is returned to the position, the pressure is restored to the set value, the pressure relay and the travel switch respectively send in-place signals to the PLC control system, after the signals are processed by the PLC control system, the electromagnet in the hydraulic control loop is automatically controlled to cut off, the electromagnetic directional valve is delayed to cut off, the hydraulic loop is rapidly cut off, the oil path is locked, the load pressure maintaining process is repeated until the load pressure maintaining work is finished.
Overload protection working principle of a jack-up frame: when overload exceeds a set value accidentally in the jacking or pressure maintaining process, the pressure relay sends a signal to the PLC control system, the system automatically controls the electromagnetic valve set in the hydraulic control loop to be electrified to open the unloading loop to release load until the pressure is recovered, when the unloading pressure of the unloading loop is still continuously increased to exceed a secondary redundancy protection set value, the pressure relay sends the signal to the PLC control system, the system automatically cuts off the power supply of the control system, the system is powered off and stopped, and after the reasons are checked and removed, the control system can be started to continue to operate, so that the safety and reliability of the jacking frame and the pressure maintaining process are ensured.
4. Rack lowering mechanism
The working principle of the frame lowering mechanism is as follows: the frame lowering and homing control system is started, the system controls a specific electromagnetic reversing valve to be electrified, pressure oil is opened through an electromagnetic ball valve and an oil drainage loop, hydraulic oil with a rodless cavity is drained under the action of load, part of hydraulic oil enters the rodless cavity of an oil cylinder through an oil supplementing pipeline with the rod cavity to supplement oil, part of hydraulic oil flows back to the oil tank, after in-place pressure stabilization, a travel switch sends an in-place signal to a PLC control system, the system automatically controls an electromagnet in the oil drainage control loop to be powered off, the oil drainage loop is rapidly cut off, an oil way is locked, the oil cylinder stops sliding downwards, and the frame lowering and homing action is completed.
5. Horizontal adjusting mechanism for walking track beam
The horizontal adjustment mechanism of the walking track beam consists of a horizontal pulling oil cylinder 14, a hinged support, a travel switch, a hydraulic control system, an electric control system and the like.
Walking track beam horizontal adjustment mechanism function: the device is mainly used for adjusting the track gauge, the track transporting machine and the track laying machine when the track beam is installed, and has the functions of fine adjustment when the bolt of the supporting table is deformed greatly and the clamping resistance is met and fine adjustment of the direction is achieved when the track beam is changed.
The working principle of the horizontal adjusting mechanism of the walking track beam is as follows: the hydraulic station is started to operate, the transverse pulling oil cylinder 14 is manually controlled to adjust the track gauge according to actual conditions, and the track gauge is manually fine-tuned to avoid blocking and track change.
6. Rack horizontal adjusting mechanism
The machine frame horizontal adjusting mechanism consists of an oil cylinder, a spherical hinged support, an oil cylinder mounting base, an oil cylinder stroke measuring and controlling instrument, an angular horizontal measuring and controlling instrument, a track beam, a PLC control system and the like.
The function of the machine frame horizontal adjusting mechanism is as follows: the automatic control device is mainly used for the horizontal adjustment of the machine frame when the rail conveyor and the rail laying machine are installed, the horizontal adjustment of the machine frame before field operation and the horizontal adjustment when the load operation are completed, and the automatic control of the machine frame is kept horizontal when the rail conveyor and the rail laying machine are operated at curve sections of curves.
The working principle of the horizontal adjusting mechanism of the frame is as follows: the angle direction horizontal side control instrument arranged on the frame transmits the real-time horizontal condition of the frame to the PLC frame horizontal automatic control system, and when the levelness of the frame exceeds a set value, the system automatically controls the supporting oil cylinder at the out-of-tolerance position end to ascend or descend and finely adjust to the frame horizontal set value, so that the frame can be kept relatively horizontal under any working condition, and the operation safety of equipment is ensured.
7. Anti-overturning and windproof anchoring mechanism
The anti-overturning and windproof anchoring mechanism consists of an anchoring oil cylinder 13, a spherical hinged support, an anti-overturning windproof fixed anchor 12, a safety support, a stroke measurement and control instrument, an angle measurement and control instrument, a hydraulic control loop, a PLC control system and the like.
Anti-toppling and windproof anchoring mechanism function: the automatic control device is mainly used for the rail conveyor and the rail laying machine, and can not be overturned under the condition of serious unbalanced load or strong wind under any working condition, so that the operation safety of equipment is ensured, and the automatic control of the rail conveyor and the rail laying machine for keeping the machine frame horizontal when the rail conveyor and the rail laying machine run at curve sections of curves is completed in a matched mode.
8. Automatic adjustment control system for curve section walking of curve
Automatic adjustment control system for curve segment walking of curve comprises and working principle: the curve section walking automatic adjustment control system of the curve comprises: the curve section walking automatic adjustment control system of the curve consists of a curve walking adjustment hydraulic cylinder 10 hydraulic control loop, an anti-overturning and anti-wind-proof anchoring mechanism adjustment oil cylinder hydraulic control loop, a pressure relay, an oil cylinder stroke measuring and controlling instrument, a frame angular horizontal measuring and controlling instrument, an anti-overturning and anti-wind-proof anchoring mechanism safety support angular horizontal measuring and controlling instrument, a PLC control system and the like. The curve section walking automatic adjustment control system of the curve has the functions of: the automatic control system is mainly used for automatically controlling the frame assembly 1 to be always kept horizontal through the curve section walking automatic adjustment control system when the rail conveyor and the rail laying machine run at the curve section of the curve, and the running safety of the rail conveyor and the rail laying machine at the curve section of the curve is ensured. The working principle of the curve section walking automatic adjustment control system of the curve is as follows: when the rail transportation machine and the rail laying machine enter a curve section of a curve, the real-time horizontal condition is sent to the PLC curve section walking automatic adjustment control system through the safety support angle horizontal measuring and controlling instrument of the anti-overturning and windproof anchoring mechanism, when the levelness of the frame exceeds a set value, the safety support angle horizontal measuring and controlling instrument of the anti-overturning and windproof anchoring mechanism sends the real-time angle inclination condition to the PLC curve section walking automatic adjustment control system, and the real-time angle inclination angle is compared with the theoretical inclination angle in the system, so that the inclination angle is always controlled within an allowable range, the clearance between the side surface of the safety support and the inner side of the rail supporting table is controlled within an allowable value, the safety support can safely pass during operation, and the operation safety of equipment is ensured.
9. Step-by-step travelling mechanism assembly
The stepping type travelling mechanism comprises a stepping oil cylinder 7 assembly, a locking oil cylinder assembly, a sliding seat, a side guide wheel, an oil abstraction installation seat, a longitudinal movement oil cylinder stroke measuring and controlling instrument, a proximity switch for the locking oil cylinder, a longitudinal movement oil cylinder hydraulic control system, a locking oil cylinder hydraulic control system, a stepping type travelling mechanism PLC control system and the like. Step-by-step running gear's function: the rail-mounted device is mainly used for pulling a rail beam or a frame to longitudinally move when a rail conveyor and a rail laying machine longitudinally walk.
Working principle of a stepping type travelling mechanism: the hydraulic station is started to operate, a frame or a track beam longitudinal movement control system is started, the system controls an electromagnetic directional valve in a hydraulic lock cylinder control loop of a longitudinal movement automatic stepping mechanism to be electrified, pressurized oil enters a rod cavity of an oil cylinder through the electromagnetic directional valve and a one-way throttle valve to push a piston rod to retract until the piston rod retracts to a set position, unlocking is successful, an approach switch unlocking in-place signal is sent to a walking mechanism PLC control system, the automatic control system automatically controls the longitudinal movement oil cylinder hydraulic control system to start operation, the longitudinal movement oil cylinder is controlled to extend or retract according to a longitudinal forward or backward movement instruction, when the oil cylinder pushes a sliding seat of a locking mechanism 8 to reach a locking hole position, a spring in the hydraulic lock cylinder pushes a locking pin to lock the locking mechanism 8 on the walking beam 6, an approach switch locking in-place signal is sent to the walking mechanism PLC control system, the automatic control system automatically controls the longitudinal movement oil cylinder hydraulic control system to start operation, the longitudinal movement oil cylinder is controlled to extend or retract according to the longitudinal forward or backward movement instruction, and the oil cylinder is controlled to extend or retract to the frame assembly or the walking beam 6 to perform the longitudinal movement after the oil cylinder is operated to the set position, the automatic control system is controlled to stop the longitudinal movement of the longitudinal movement oil cylinder system to automatically circulate to the work, and the automatic control system is controlled to complete the longitudinal movement of the automatic stepping mechanism 1 is controlled to work, and the automatic control system is locked to work to the small circulation system.
When the longitudinal movement of the frame assembly 1 or the walking beam 6 encounters blockage, when the pressure of the longitudinal movement oil cylinder exceeds a set value, the pressure relay sends a signal to the PLC control system of the walking mechanism in real time, the system automatically sends an alarm signal and timely controls the system to stop running, so that the longitudinal movement safety of the frame assembly 1 or the walking beam 6 is ensured.
According to the invention, a set of multifunctional magnetic levitation train track transporting and laying machine is designed according to the track laying engineering quantity, the track storage stock ground position and the track section condition, and the track laying, correcting and correcting time period and the track laying process period, so that the technical requirements of various road conditions and track laying can be met, the efficient construction of the whole process of installing and debugging the whole track from the stock ground hanging rail transporting to the track laying site can be ensured, the problem that the working condition of each section can be safely laid is solved, the project place can be combined, the design is modified according to the stock ground setting condition and the engineering progress requirement, the purpose of efficient construction is realized, the cost and the energy consumption of track laying equipment are reduced, the production efficiency is improved, the process links are simplified, and a certain economic value is created. The invention can realize the scientific design of engineering. The construction operation efficiency is improved, the investment of rail laying equipment is reduced, the cost of manpower and material resources is reduced, and the purposes of comprehensively saving various costs and creating higher economic benefits are achieved.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a multi-functional maglev train track fortune rail laying machine which characterized in that includes:
A frame assembly (1);
The generator set is arranged on the frame assembly and used for providing electric energy;
the electric control system is used for controlling electric equipment in the multifunctional maglev train rail transporting and laying machine;
A hydraulic power system for providing hydraulic power, the hydraulic power system including a hydraulic station;
The stepping type walking mechanism is arranged at the bottom of the frame assembly and used for driving the frame assembly to move in a stepping way on the track, and a hydraulic control system of the stepping type walking mechanism is connected with the hydraulic station;
a hoisting system is arranged in the frame assembly, the hoisting system comprises two longitudinal rails (2) which are arranged in parallel, a transverse rail (3) is in sliding fit with the longitudinal rails, and a hoisting trolley (4) is arranged on the transverse rail;
The stepping type travelling mechanism comprises a frame travelling jacking mechanism (5) for lifting the frame assembly, and a travelling beam (6) for realizing the stepping of the frame assembly in a sliding fit manner with the frame assembly, wherein a stepping oil cylinder (7) is hinged to the frame assembly, and the tail end of the stepping oil cylinder is connected with the travelling Liang Dongli and used for driving the travelling beam to move or pulling the frame assembly to move on the travelling beam.
2. A multi-functional maglev train-rail-carrying rail-laying machine according to claim 1, wherein,
The tail end of the stepping oil cylinder is provided with a locking mechanism (8), the locking mechanism is provided with a telescopic locking pin, and a locking hole which is in plug-in fit with the locking pin is formed in the walking beam.
3. A multi-functional maglev train-rail-carrying rail-laying machine according to claim 1, wherein,
The walking beam is of an inverted U-shaped channel steel structure, and a guide device (9) which is propped against an anchor bolt of the magnetic levitation train rail and used for guiding the walking beam in a moving way is arranged on the inner side surface of the walking beam.
4. A multi-functional maglev train-rail-carrying rail-laying machine according to claim 1, wherein,
The walking beams are arranged in two groups, and the two groups of walking beams are arranged at the lower side of the frame assembly at intervals;
Two groups of curve walking adjusting hydraulic cylinders (10) are arranged at the bottom of the frame assembly, and the tail ends of the curve walking adjusting hydraulic cylinders are connected with sliding blocks (11) which can be propped against or in sliding fit with the top surface of the walking beam through ball head hinges.
5. A multi-functional maglev train-rail-carrying rail-laying machine according to claim 1, wherein,
A horizontal adjusting device (15) for adjusting the walking beam in the horizontal direction is arranged on the frame assembly through a horizontal pulling oil cylinder (14), and the horizontal adjusting device is sleeved on the walking beam.
6. A multi-functional maglev train-rail-carrying rail-laying machine according to any one of claims 1 to 5,
An anti-overturning wind-proof fixed anchor (12) is arranged at the bottom of the frame assembly.
7. A multi-functional maglev train-rail-carrying rail-laying machine according to claim 6, wherein,
The anti-overturning windproof fixed anchor is arranged at the bottom of the frame assembly in an up-down adjustable manner through an anchoring oil cylinder (13).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131937.1A CN110725169B (en) | 2019-11-18 | 2019-11-18 | Multifunctional magnetic suspension train rail transporting and laying machine |
| PCT/CN2020/118583 WO2021098386A1 (en) | 2019-11-18 | 2020-09-28 | Multifunctional rail transportation and laying machine for maglev train |
| JP2021574917A JP7138812B2 (en) | 2019-11-18 | 2020-09-28 | Rail Conveyor Laying Machine for Multifunctional Magnetic Levitation Train Rails |
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| CN201911131937.1A CN110725169B (en) | 2019-11-18 | 2019-11-18 | Multifunctional magnetic suspension train rail transporting and laying machine |
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| CN110725169A CN110725169A (en) | 2020-01-24 |
| CN110725169B true CN110725169B (en) | 2024-06-21 |
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| JP7138812B2 (en) * | 2019-11-18 | 2022-09-16 | 広州地鉄設計研究院股▲分▼有限公司 | Rail Conveyor Laying Machine for Multifunctional Magnetic Levitation Train Rails |
| CN121180260B (en) * | 2025-10-17 | 2026-03-20 | 北京睿泽恒镒科技股份公司 | Rail plate conveying device |
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| CN211227901U (en) * | 2019-11-18 | 2020-08-11 | 广州地铁设计研究院股份有限公司 | Multifunctional magnetic suspension train track transporting and laying machine |
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| CN202969176U (en) * | 2012-12-25 | 2013-06-05 | 李元才 | Maglev track laying vehicle |
| CN105625118A (en) * | 2014-10-31 | 2016-06-01 | 胡德令 | Multi-functional intelligent vehicle for laying high-speed rail ballastless double tracks |
| CN205171288U (en) * | 2015-11-23 | 2016-04-20 | 中铁十一局集团有限公司 | Magnetism floats section of track and moves gantry crane |
| CN110318308B (en) * | 2019-08-14 | 2024-02-20 | 中铁十一局集团第三工程有限公司 | System and method for paving magnetic levitation track panel in complex section |
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