CN113417358A - Railway tunnel sludge cleaning vehicle - Google Patents
Railway tunnel sludge cleaning vehicle Download PDFInfo
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- CN113417358A CN113417358A CN202110743322.5A CN202110743322A CN113417358A CN 113417358 A CN113417358 A CN 113417358A CN 202110743322 A CN202110743322 A CN 202110743322A CN 113417358 A CN113417358 A CN 113417358A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/106—Accessories, e.g. hose support
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
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- Treatment Of Sludge (AREA)
Abstract
The invention discloses a railway tunnel sludge cleaning vehicle, which comprises: the control room is arranged on the rail car body and used for controlling the operation of the rail car body, the dredging system and the sewage suction system; the dredging system comprises a water tank, a pressure pump and a flushing pipeline, wherein the water tank is arranged on the rail car body, one end of the flushing pipeline is connected to the water tank through the pressure pump, and the other end of the flushing pipeline is provided with a cleaning spray head and can extend to the outer side of the rail car body; the sewage suction system comprises a storage bin, a centrifugal fan and a suction arm, the storage bin is arranged on the railcar main body, a feed inlet, an exhaust port and a sewage discharge port are arranged on the storage bin, the centrifugal fan is connected to the exhaust port, one end of the suction arm is fixed on the railcar main body and is connected to the feed inlet of the storage bin, and the other end of the suction arm is provided with a suction port and can extend into an outer drainage ditch of the railcar main body. The invention can save manpower and material resources, improve the working efficiency, avoid damaging underground pipelines and realize synchronous collection and off-site discharge of sludge.
Description
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to a railway tunnel sludge cleaning vehicle.
Background
With the rapid development of railway construction, the workload of line maintenance is increased. At present, tunnel dirt cleaning, turnout area ballast cleaning, pipe ditch excavation and other operations mainly depend on manpower, and have the defects of low efficiency, high labor intensity and the like. Pollutants of tunnel drainage ditches are generally present in railway general lines, drainage ditches at two sides of a high-speed railway tunnel and a central ditch, the thickness of sludge at serious parts reaches 0.5m, the normal drainage, flood discharge and flood control functions of a ballast bed are influenced, and even the driving safety is endangered. The silt in the drainage ditch mainly is that the powder that the vibration of railway ballast rubs produces gets into the drainage ditch, mixes with groundwater, forms the filth of class cement form, in addition a small amount of rubbish and the railway ballast that drops, damaged apron etc.. At present, dredging work of the drainage ditch is mainly carried out during centralized maintenance, manual operation is adopted, the required labor is large in quantity, and the dredging time is long. And (4) lifting the cover plate before dredging, drying the sludge after operation, and then transporting the sludge out of the tunnel by using a flat car. The manual dredging labor intensity is very high, the labor efficiency is very low, and in the dredging and excavating process of pipe ditches on two sides of the line, the position of the underground pipeline is difficult to judge, so that the underground pipeline is easy to damage.
Therefore, the railway tunnel sludge cleaning vehicle is expected to be developed, cover plates can be prevented from being turned over, manual excavation is not needed, manpower and material resources are saved, the working efficiency is improved, underground pipelines are prevented from being damaged, and synchronous collection and remote unloading of sludge are achieved.
Disclosure of Invention
The invention aims to provide a railway tunnel sludge cleaning vehicle, which solves the problems that the existing railway tunnel drainage ditch is high in dredging difficulty and low in efficiency and underground pipelines are easily damaged in the dredging process, and realizes synchronous collection and remote unloading of sludge.
In order to achieve the above object, the present invention provides a railway tunnel sludge cleaning vehicle, comprising: the device comprises a rail car body, a dredging system and a sewage suction system;
the control room is arranged on the railcar main body and used for controlling the railcar main body, the dredging system and the sewage suction system to operate;
the dredging system comprises a water tank, a pressure pump and a flushing pipeline, wherein the water tank is arranged on the railcar body, one end of the flushing pipeline is connected to the water tank through the pressure pump, and the other end of the flushing pipeline is provided with a cleaning spray head and can extend to the outer side of the railcar body;
the sewage suction system comprises a storage bin, a centrifugal fan and a suction arm, wherein the storage bin is arranged on the railcar body, a feeding hole, an exhaust hole and a sewage draining port are formed in the storage bin, the centrifugal fan is connected to the exhaust hole, one end of the suction arm is fixed to the railcar body and is connected to the feeding hole of the storage bin, and the other end of the suction arm is provided with a suction port and can extend to the outside drainage ditch of the railcar body.
Optionally, the system further comprises a sewage circulation system, wherein the sewage circulation system comprises a primary filter, a sewage circulation pump, a secondary filter and a circulation pipeline, one end of the circulation pipeline is connected to the storage bin, the other end of the circulation pipeline is connected to the water tank through the sewage circulation pump, the primary filter is arranged in the storage bin and mounted at the one end of the circulation pipeline, and the secondary filter is arranged on the circulation pipeline and located between the sewage circulation pump and the water tank;
and a buoy device is arranged on the primary filter.
Optionally, the rail car body comprises a car body power transmission system and a working power system;
the power transmission system of the train body comprises a first engine, a gearbox and axle gear boxes on a pair of bogies, wherein the pair of bogies are arranged at the front end and the rear end of the bottom of the train body, and the first engine is connected with the axle gear boxes on one bogie through the gearbox;
the operation power system comprises a second engine and a transfer case, the transfer case is connected to the second engine through a coupler, and the booster pump and the centrifugal fan are respectively connected to the transfer case.
Optionally, the dredging system further comprises a hydraulic pipe coiling device, the flushing pipeline is wound on the hydraulic pipe coiling device, and pipe collection and pipe discharge are achieved through the hydraulic pipe coiling device.
Optionally, still include the moisture separator in the feed bin, the moisture separator includes a plurality of ripples folded plate, a plurality of ripples folded plate slope set up in on the gas vent of feed bin.
Optionally, still include solid-liquid separation equipment in the feed bin, solid-liquid separation equipment includes solid collecting box and bolster, the solid collecting box be uncovered box, set up in the feed inlet department of feed bin, the tank wall of solid collecting box is the mesh board, the bolster set up in the feed inlet with between the solid collecting box.
Optionally, the drain of feed bin set up in the bottom of feed bin, the drain is connected in the unloading pump, the bottom of feed bin is equipped with agitating unit.
Optionally, the suction arm includes a slewing arm and a multi-stage mechanical arm, the slewing arm is rotatably arranged in the railcar main body along the vertical direction, the multi-stage mechanical arm is connected in sequence, the head end of the multi-stage mechanical arm is connected to the slewing arm and can rotate along with the slewing arm, the tail end of the multi-stage mechanical arm is provided with a quick coupling, and the quick coupling is used for connecting the suction port.
Optionally, the dirt suction system further comprises a rotary crushing mechanism, and the rotary crushing mechanism is arranged at the other end of the suction arm.
Optionally, the control room includes a front control room and a rear control room, and the front control room and the rear control room are respectively disposed at the front end and the rear end of the railcar body.
The invention has the beneficial effects that: when the railway tunnel sludge cleaning vehicle is used for dredging the railway tunnel drainage ditch, firstly, the railway vehicle main body is driven to an operation place along a railway, and then one end of the flushing pipeline with the flushing nozzle is placed in the drainage ditch in the area where the railway vehicle main body is located, so that the spraying direction of the flushing nozzle faces to the downstream of the drainage ditch; extending one end of the suction arm, which is provided with a suction port, to the bottom of a drainage ditch in the region of the railway vehicle main body and positioned at the downstream of the flushing sprayer; then starting a pressure pump and a centrifugal fan to pressurize clear water in the water tank to enter a flushing pipeline through the pressure pump to reach a cleaning spray head, wherein high-pressure water flow is jetted backwards from the cleaning spray head to crush the plate sludge in the drainage ditch, and the cleaning spray head can move upstream under the thrust action of high-pressure water to continuously perform drainage ditch desilting; the sludge crushed by the high-pressure water moves backwards under the action of the water jet and reaches the suction opening, the air flow rate at the suction opening is high under the action of the centrifugal fan, the materials nearby the suction opening are wrapped in the high-speed air flow and enter the storage bin through the suction opening under the drive of the high-speed air flow, at the moment when the muddy water mixture enters the storage bin, the flow rate of the air flow is suddenly reduced due to the sudden increase of the volume of the bin body, the solid and liquid materials can be settled to the bottom of the storage bin under the action of gravity, the air flow continuously moves to enter the centrifugal fan through the air outlet and is discharged to the atmosphere, and the real-time collection of the sludge is realized; when the capacity of the storage bin is used up, the rail car body is driven to a specified place along a railway to unload, and then the rail car body returns to the operation place to carry out dredging operation along the way. The railway tunnel silt cleaning cart of this scheme utilizes and washes the pipeline and transfer and wash the shower nozzle, can reduce or avoid opening the apron, utilizes the broken silt of high-pressure jet, need not artifical the excavation, and the material resources of using manpower sparingly improve the operating efficiency, avoid destroying the underground line to realize that the synchronization of silt is collected and the strange land is unloaded.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural view of a railway tunnel sludge cleaning vehicle according to one embodiment of the invention.
Fig. 2 shows a schematic bottom structure of a railway tunnel sludge cleaning vehicle according to one embodiment of the invention.
Description of the reference numerals
101. A front control room; 102. a water tank; 103. a fan chamber; 104. a storage bin; 105. a water-vapor separation device; 106. a discharge pump; 107. a sewage circulating system; 108. a suction arm; 109 a rear control room; 110. a vehicle body power transmission system; 111. a work power system; 112. a braking system; 113. a hydraulic system; 114. a pressure pump; 115. a hydraulic pipe coiling device; 116. a bogie; 117. fuel tank and hydraulic tank.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
The invention discloses a railway tunnel sludge cleaning vehicle, which comprises: the device comprises a rail car body, a dredging system and a sewage suction system;
the control room is arranged on the rail car body and used for controlling the operation of the rail car body, the dredging system and the sewage suction system;
the dredging system comprises a water tank, a pressure pump and a flushing pipeline, wherein the water tank is arranged on the rail car body, one end of the flushing pipeline is connected to the water tank through the pressure pump, and the other end of the flushing pipeline is provided with a cleaning spray head and can extend to the outer side of the rail car body;
the sewage suction system comprises a storage bin, a centrifugal fan and a suction arm, the storage bin is arranged on the railcar main body, a feed inlet, an exhaust port and a sewage discharge port are arranged on the storage bin, the centrifugal fan is connected to the exhaust port, one end of the suction arm is fixed on the railcar main body and is connected to the feed inlet of the storage bin, and the other end of the suction arm is provided with a suction port and can extend into an outer drainage ditch of the railcar main body.
Specifically, firstly, driving the rail car body to an operation place along a railway, and then placing one end of the flushing pipeline with the flushing nozzle in a drainage ditch in the region where the rail car body is located, so that the spraying direction of the flushing nozzle faces to the downstream of the drainage ditch; extending one end of the suction arm, which is provided with a suction port, to the bottom of a drainage ditch in the region of the railway vehicle main body and positioned at the downstream of the flushing sprayer; then starting a pressure pump and a centrifugal fan to pressurize clear water in the water tank to enter a flushing pipeline through the pressure pump to reach a cleaning spray head, wherein high-pressure water flow is jetted backwards from the cleaning spray head to crush the plate sludge in the drainage ditch, and the cleaning spray head can move upstream under the thrust action of high-pressure water to continuously perform drainage ditch desilting;
the sludge crushed by the high-pressure water moves backwards under the action of the water jet and reaches the suction opening, the air flow rate at the suction opening is high under the action of the centrifugal fan, the materials nearby the suction opening are wrapped in the high-speed air flow and enter the storage bin through the suction opening under the drive of the high-speed air flow, at the moment when the muddy water mixture enters the storage bin, the flow rate of the air flow is suddenly reduced due to the sudden increase of the volume of the bin body, the solid and liquid materials can be settled to the bottom of the storage bin under the action of gravity, the air flow continuously moves to enter the centrifugal fan through the air outlet and is discharged to the atmosphere, and the real-time collection of the sludge is realized;
and when the capacity of the storage bin is used up, driving the rail car body to a specified place along a railway to unload, then returning to the operation place, and continuing dredging operation along the way.
The railway tunnel silt cleaning cart of this scheme utilizes and washes the pipeline and transfer and wash the shower nozzle, can reduce or avoid opening the apron, utilizes the broken silt of high-pressure jet, need not artifical the excavation, and the material resources of using manpower sparingly improve the operating efficiency, avoid destroying the underground line to realize that the synchronization of silt is collected and the strange land is unloaded.
Furthermore, the fan adopts a high-pressure centrifugal fan, has large air quantity and high pressure, and can provide enough suction power source for a sewage suction system; the centrifugal fan is connected with the air cylinder and the air valve assembly, so that the air quantity and the power of the fan can be adjusted, and better energy efficiency is realized.
Furthermore, a filtering device is arranged between the water tank and the pressure pump, so that impurities in the water body in the water tank are prevented from entering the pressure pump, and the service life of the pressure pump is prolonged.
Furthermore, a silencer is arranged at the exhaust end of the centrifugal fan, so that exhaust noise pollution is reduced, and the working environment is optimized.
As an alternative scheme, the sewage treatment system further comprises a sewage circulating system, wherein the sewage circulating system comprises a primary filter, a sewage circulating pump, a secondary filter and a circulating pipeline, one end of the circulating pipeline is connected to the storage bin, the other end of the circulating pipeline is connected to the water tank through the sewage circulating pump, the primary filter is arranged in the storage bin and is arranged at one end of the circulating pipeline, and the secondary filter is arranged on the circulating pipeline and is positioned between the sewage circulating pump and the water tank;
the primary filter is provided with a buoy device.
Specifically, the sewage which is preliminarily precipitated at the upper part of the storage bin can be roughly filtered by a primary filter by using a sewage circulating system, enters a circulating pipeline, is further filtered by a sewage circulating pump and a secondary filter, and the obtained clear water is conveyed to a water tank to realize recycling;
furthermore, the primary filter adopts a buoy device, so that the treated sewage is always the uppermost sewage of the storage bin, the pollution of the sewage doped with sludge at the lower part to the filter is avoided, and the service cycle of the filter is prolonged.
As an alternative, the rail car main body comprises a car body power transmission system and a working power system;
the power transmission system of the train body comprises a first engine, a gearbox and axle gear boxes on a pair of bogies, wherein the pair of bogies are arranged at the front end and the rear end of the bottom of the train body, and the first engine is connected with the axle gear boxes on one bogie through the gearbox;
the operation power system comprises a second engine and a transfer case, the transfer case is connected to the second engine through a coupler, and the booster pump and the centrifugal fan are respectively connected to the transfer case.
Specifically, two independent power systems are adopted, so that power sources for vehicle running and dredging operation are separated, mutual interference of the two sets of power is avoided, and the reliability of the equipment is improved.
Furthermore, a vehicle body power transmission system is arranged below the vehicle frame, hydraulic transmission is adopted, an engine and a gearbox drive an axle gear box on the bogie, the maximum running speed of the vehicle is 120km/h, and operating personnel can be guaranteed to quickly arrive at an operating site;
the operation power system is characterized in that an engine drives a centrifugal fan and a pump of an operation device through a coupler and a transfer case, the fan is driven by a universal transmission shaft, and two sets of clutches (a set of manual hydraulic clutch and a set of automatic clutch) are arranged to reduce impact when the clutches are meshed.
As an alternative, the dredging system further comprises a hydraulic pipe coiling device, the flushing pipeline is wound on the hydraulic pipe coiling device, and pipe collection and pipe discharge are achieved through the hydraulic pipe coiling device.
Particularly, the hydraulic pipe coiling device is used, so that the flushing pipeline is convenient to release and recover, the working efficiency is favorably improved, and the time for manually collecting and releasing the pipe is saved.
As an alternative scheme, the storage bin further comprises a water-vapor separation device, the water-vapor separation device comprises a plurality of wave folded plates, and the wave folded plates are obliquely arranged on an air outlet of the storage bin.
Specifically, set up water-steam separation device, the tiny particle water that carries in can the interception air current, under the effect of ripples folded plate, water, gas can separate under the dual function of centrifugal force and gravity, and during water subsided the feed bin, the air current continued movement got into centrifugal fan, discharged the atmosphere through the muffler.
As an alternative scheme, the feed bin further comprises a solid-liquid separation device, the solid-liquid separation device comprises a solid collecting box and a buffer piece, the solid collecting box is a uncovered box body and is arranged at the feed inlet of the feed bin, the wall of the solid collecting box is a mesh plate, and the buffer piece is arranged between the feed inlet and the solid collecting box.
Particularly, by adopting the mesh plate, muddy water and small materials in the muddy water mixture can fall into the bottom of the storage bin, and large materials are intercepted in the solid collecting box, so that the large materials and sludge are separated, the large materials and the sludge can be conveniently discharged separately, the sludge can be pumped to a farther distance by the discharging pump to discharge, and the influence of the large materials on the discharging pump is reduced.
Further, set up the bolster, big stone tiny fragments of stone in the escape canal fall on the mesh board under the buffering of bolster, avoid stone tiny fragments of stone and mesh board to collide with speed very fast, extension solid collecting box life. Wherein the buffer member can adopt a plurality of circular iron chains.
As an alternative scheme, the drain of feed bin sets up in the bottom of feed bin, and the drain is connected in the unloading pump, and the bottom of feed bin is equipped with agitating unit.
In particular, the bottom of the storage bin can be designed to be funnel-shaped for facilitating sewage discharge. In order to avoid long-time standing of feed bin bottom silt to form silt sediment, cause the difficulty of unloading, set up stirring rod or other agitating unit in the feed bin lower part, stir bottom silt, form even muddy water mixture, be convenient for unload.
As the alternative, the suction arm comprises a rotary arm and a multi-stage mechanical arm, the rotary arm is rotatably arranged on the rail car main body along the vertical direction, the multi-stage mechanical arm is sequentially connected, the head end of the multi-stage mechanical arm is connected to the rotary arm and can rotate along with the rotary arm, the tail end of the multi-stage mechanical arm is provided with a quick connector, and the quick connector is used for connecting a suction port.
Specifically, the motor is used for driving the rotary arm and the mechanical arm oil cylinders at all levels to stretch, the posture and the working range of the suction arm are changed, and each action of the suction arm can be independently controlled. The tail end of the arm support adopts a structure for quickly replacing the suction port, so that a flexible suction port, a metal suction port, a flat suction port and the like can be replaced, different suction requirements of road core mud pumping, sludge and sewage mixture, a turnout area railway ballast and the like can be met, and the use condition of multiple working conditions of a user is met. When the settling well needs to be cleaned, the suction port hasp can be detached, and the extension pipe is replaced to clean the settling well.
Further, the quantity of suction arm can be according to the user demand setting of reality to a feed bin can be shared, a plurality of suction arms can be respectively to the left and right sides escape canal and the silt of center ditch suction, and can compromise the local processing of heart thick liquid mud pumping, and the suction arm can select to adopt remote control and manual two kinds of control mode, has improved the intelligent degree of equipment.
As an alternative, the dirt suction system further comprises a rotary crushing mechanism, which is arranged at the other end of the suction arm.
Specifically, utilize crushing mechanism to drive the sawtooth part rotatory, the sawtooth structure can be with mud breakage when contacting the mud that hardens, improves suction efficiency.
Alternatively, the control room includes a front control room and a rear control room, which are respectively disposed at front and rear ends of the railcar body.
Particularly, the front control room and the rear control room are arranged, so that the advancing direction of the vehicle body can be flexibly changed, and the operation is convenient.
Furthermore, the front control room comprises a driver console, a direct current electrical cabinet, an alternating current electrical cabinet, three equipment cabinets, an electric heater, an air conditioner and other equipment; the rear control room is provided with a driver control console and an operation control console, the driver control console is mainly provided with a driving control instrument, a communication instrument and various display instruments, and the operation control console is provided with an operation engine control instrument, an operation display instrument, an operation handle and a display instrument of the operation device.
Examples
FIG. 1 shows a schematic structural diagram of a railway tunnel sludge cleaning vehicle of the embodiment; fig. 2 shows a bottom structure schematic diagram of the railway tunnel sludge cleaning vehicle of the embodiment.
The railway tunnel sludge cleaning vehicle of the embodiment comprises a rail vehicle main body, a dredging system and a sewage suction system, as shown in fig. 1 and fig. 2, the rail vehicle main body is provided with a front control chamber 101, a water tank 102, a fan chamber 103, a storage bin 104, a water-vapor separation device 105, a discharge pump 106, a sewage circulation system 107, a left suction arm 108, a right suction arm 108 and a rear control chamber 109; the lower part of the rail car body is provided with a car body power transmission system 110, a working power system 111, a brake system 112, a hydraulic system 113, a booster pump 114, a hydraulic pipe coiling device 115, two bogies 116, a fuel tank and a hydraulic oil tank 117.
The front control room 101 includes a driver console, a dc electrical cabinet, an ac electrical cabinet, three equipment cabinets, an electric heater, an air conditioner, and other equipment.
The dredging system comprises a water tank 102, a pressure pump 114, a hydraulic pipe reeler 115 (coiled with a flushing pipe with a high pressure cleaning nozzle) and connected pipes. Clear water in the water tank is filtered through a water filter and enters a water inlet of a pressure pump, is pressurized through the pressure pump and enters a heavy hydraulic pipe coiling device 115 pipeline to reach a high-pressure cleaning spray head, the high-pressure cleaning spray head jets backwards, hardened sludge can be broken, and meanwhile, dirt in a drainage ditch moves backwards under the action of water jet so as to be collected by a dirt absorbing system. The high-pressure spray head moves forwards under the action of high-pressure water to continuously carry out dredging of the drainage ditch, and the farthest dredging distance is about 50 m.
A centrifugal fan is mounted in the fan chamber 103 and is driven by the work engine through a transfer case, a clutch and a transmission shaft. The sewage suction system comprises a centrifugal fan, a bin 104, a water-vapor separation device 105 and left and right suction arms 108. The fan is driven by power to rotate so as to generate negative pressure, and under the drive of the negative pressure, air outside the suction port of the suction arm sequentially passes through the suction port on the suction arm, the hose, the storage bin and the water-vapor separation device, enters the fan through the air duct, passes through the fan and is exhausted into the atmosphere through the silencer. Because the air flow rate at the suction opening is very high, the materials near the suction opening are wrapped in the high-speed air flow and enter the storage bin through the suction opening under the driving of the high-speed air flow. At the moment that muddy water mixture gets into the feed bin, because the sudden grow of storehouse body volume, the velocity of flow of air current diminishes suddenly this moment, and the feed bin is subsided to most material under the action of gravity. The air current of continuation motion is smugglied minute quantity steam secretly, through the effect of the ripples folded plate among the water steam separator, and steam separates under the dual function of centrifugal force and gravity, and during water subsided the feed bin, the air current continued motion got into centrifugal fan, discharged the atmosphere through the muffler.
The fan adopts a high-pressure centrifugal fan, has large air quantity and high pressure, and can provide enough suction power source for a sewage suction system. Two sets of intelligent suction arms in the sewage suction system share one set of fan air source. The air cylinder and the air valve component on the centrifugal fan can adjust the air quantity and power of the turbine fan, and better energy efficiency is achieved.
The suction arm mainly comprises a swing oil cylinder, a rotary arm, a four-stage mechanical arm and the like, the motor drives the rotary arm and the oil cylinders of the arms at all stages to stretch, the posture and the working range of the suction arm are changed, and each action of the suction arm can be independently controlled, so that the left side, the right side and the road center sewage suction operation can be realized. The structure of quick replacement suction inlet is adopted at the tail end of the suction arm, flexible suction inlet, metal suction inlet, flat suction inlet and the like can be replaced, different suction requirements of track core slurry pumping, sludge and sewage mixture, turnout area ballast and the like can be realized, and the use condition of multiple working conditions of a user is met. When the settling well needs to be cleaned, the suction port hasp can be detached, and the extension pipe is replaced to clean the settling well. In addition, in order to handle the slight hardening working condition of on-site sludge, the tail end of the suction arm is provided with a rotary crushing mechanism, the crushing mechanism drives the metal suction port to rotate, and the sawtooth structure at the end part of the metal suction port can crush the sludge when contacting the hardened sludge, so that the suction efficiency is improved.
The solid-liquid separation device is arranged in the bin, the solid is discharged from the bin discharge bin door, and the sludge is directly discharged from the discharge outlet at the bottom of the bin through the discharge pump.
The solid collection device sets up the feed inlet department at the feed bin, including the solid collecting box, the solid collecting box tank wall is the mesh board, silt can directly fall to the feed bin bottom, big stone ballast falls under the buffering of ring iron chain in the escape canal, fall on the mesh board, avoid stone ballast and mesh board to collide with very fast speed, extension part life, big stone ballast falls on the mesh board, little stone ballast and silt get into the feed bin together, with the direct discharge assigned position of pump of unloading. In order to avoid the sludge precipitation caused by the long-time standing state and the difficulty in discharging, the lower part of the storage bin is also provided with three stirring rods for stirring the sludge at the bottom to form an even mud-water mixture, so that the discharging is facilitated.
The discharge pump 106 mainly carries out pressure jet discharge on the sludge in the storage bin, and the jet distance can reach about 8 m.
The sewage circulating device 107 comprises a primary filter, a sewage circulating pump, a secondary filter and a circulating pumpAnd (4) a circular pipeline. Maximum treated water amount of 24m3H is used as the reference value. The primary filter is arranged in the feed bin, can perform coarse filtration on the preliminarily precipitated sewage at the upper part of the feed bin, and further performs filtration through the sewage circulating pump and the secondary filter, and the filtration precision can reach 100 mu m. The filtered clean water returns to the water tank and can be reused.
The rear control room 109 is provided with a driver console, which is mainly provided with a driving operation, communication, and various display instruments, and a work console, which is provided with a work engine operation, display, an operation handle of the work device, and display.
The vehicle body power transmission system 110 is arranged below the vehicle frame, hydraulic transmission is adopted, an engine and a gearbox drive an axle gear box on the bogie, the maximum running speed of the vehicle is 120km/h, and operators can be guaranteed to quickly arrive at an operation site.
The operation power system 111 drives a fan and an oil pump of the operation device by an engine through a coupler and a one-to-four transfer case, the fan is driven by a universal transmission shaft, and two sets of clutches (one set of manual hydraulic clutch and one set of automatic clutch) are arranged to reduce impact when the clutches are engaged.
The braking system 112 employs a mature and reliable JZ-7 brake, and the foundation brake employs a unit brake.
The hydraulic system 113 is divided into a working hydraulic system and a heat dissipation driving system. The operation hydraulic system provides power and control for the sewage suction system, the discharging system and the dredging system. The heat dissipation driving system adopts an open system and mainly comprises two groups of double pumps, a hydraulic oil tank, a hydraulic control valve group, pipeline accessories and the like.
There are two bogies 116, one being a power bogie and the other being a non-power bogie. The bogie adopts a center pin traction and guide frame type axle box, one system adopts a spiral steel round spring and a vertical shock absorber, and the other system adopts a rubber pile, a transverse oil pressure shock absorber and an anti-snaking shock absorber structure. The bogie is designed innovatively by referring to the existing bogie structure of the locomotive and the freight car, wherein the guide frame type axle box is adopted for the railway engineering mechanical car for the first time, and the bogie can adapt to the requirements of high-speed running and empty and heavy car change through the dynamic calculation verification.
The fuel tank and the hydraulic oil tank 117 are mounted under the frame in a suspended manner by adopting a welded structure.
The railway tunnel sludge cleaning vehicle of the embodiment has the advantages that:
1) two sets of independent power devices are adopted, so that power sources for vehicle running and operation are separated, mutual interference of the two sets of power is avoided, and the reliability of the equipment is improved.
2) The sewage suction system adopts a centrifugal fan technology to realize mixed-direction conveying, the high-efficiency cleaning of sewage, sludge, stone ballast, sand dust and sundries in a dry or wet drainage ditch is met, meanwhile, the system efficiency can reach 99 percent, and the energy loss is small; two intelligent suction arms about adopting can be respectively to the silt of controlling escape canal and central ditch suction to can compromise the local processing of the heart thick liquid mud pumping of overturning of way. The suction arm adopts two control modes of remote control and manual operation, so that the intelligent degree of the equipment is improved; storage bin with volume of 20m3And the bottom of the stirring rod is provided with a stirring rod, so that the sludge can be prevented from settling in a static state. The storage bin is designed to be funnel-shaped, so that uneven distribution of materials can be avoided, and the storage bin is easier to clean; the discharging system adopts a mode of separately discharging the large materials and the sludge, reduces the influence of the large materials on the sludge pump, and enables the sludge to be pumped to a longer distance by the sludge pump.
3) The high-pressure water flushing device can flush out silt by using high-pressure water, so that the manual work of lifting the cover plate is avoided, and the labor intensity of workers is greatly reduced.
4) The primary filter of the sewage circulating system adopts a float type, so that the treated sewage is always the uppermost sewage of the storage bin, the pollution of the sewage doped with silt at the lower part to the filter is avoided, and the service cycle of the filter can be prolonged.
The railway tunnel sludge cleaning vehicle of the embodiment can realize high-speed self-running on a single vehicle and can realize sewage suction, storage and discharge operations. And a bogie which can adapt to the change of empty and heavy vehicles is adopted on the engineering vehicle running at high speed. The high-pressure water flushing system can flush sludge to a specified position under the condition of not lifting the cover plate or slightly lifting the cover plate, then the centrifugal fan is used for pumping, sewage at the upper part of the storage bin can be filtered and recycled in the working process, and automatic discharging can be carried out at the specified position after the working is finished.
The railway tunnel silt cleaning cart of this embodiment can move to operating position at a high speed, adopt high pressure water flushing system to carry out the breakage and wash the position of drainage ditch mouth to escape canal silt during the operation, recycle big amount of wind fan and aspirate, the feed bin is inhaled after full, the vehicle moves to appointed discharge point, the pump work of unloading, can unload silt to the assigned position, inhale the dirty in-process, sewage circulating device can filter the circulation with the sewage on feed bin upper portion and recycle, the feature of environmental protection of whole car has been improved.
In addition, the railway tunnel sludge cleaning vehicle can be free of running power and only provided with operation power, the front and the rear of the vehicle are provided with connecting devices, the vehicle can be pulled to a working site by a rail car or other power vehicles, a truck bogie can be directly adopted, the design is simplified, and the manufacturing cost can be reduced.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
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| CN202110743322.5A CN113417358A (en) | 2021-06-30 | 2021-06-30 | Railway tunnel sludge cleaning vehicle |
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| CN202110743322.5A CN113417358A (en) | 2021-06-30 | 2021-06-30 | Railway tunnel sludge cleaning vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802684A (en) * | 2021-09-26 | 2021-12-17 | 中电建水环境科技有限公司 | Septic tank sludge treatment vehicle with control arm |
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