CN115532697A - Surface cleaning device for railway vehicle brake valve - Google Patents

Abstract

The invention provides a surface cleaning device for a railway vehicle brake valve, and relates to the technical field of brake valves. The device comprises a shell and a controller, wherein a feeding and discharging area, a cleaning chamber and a water circulation chamber are separated in the shell, an air drying mechanism is connected in the feeding and discharging area, a cleaning platform is arranged below the air drying mechanism, the end part of the cleaning platform extends into the cleaning chamber, a cleaning mechanism is connected in the cleaning chamber, and the cleaning chamber is communicated with the water circulation chamber. The controller is respectively electrically connected with the air drying mechanism, the cleaning platform and the cleaning mechanism. This device degree of automation is high, and cleaning process full automation realizes brake valve automated cleaning and air-dries, and filths such as brake valve surface rust and half drop coat of lacquer skin can high efficiency wash get rid of, effectively improves the cleaning efficiency.

Description

Surface cleaning device for railway vehicle brake valve

Technical Field

The invention relates to the technical field of brake valves, in particular to a surface cleaning device for a brake valve of a railway vehicle.

Background

The brake valve is a key part in the brake device of the railway wagon, and is important for the running safety of the railway wagon. The brake valve is influenced by abrasion, external environment and the like in the use process, and pollutants such as floating rust, oil stains and the like are easily formed on the surface of the brake valve and need to be cleaned in time. However, the brake valves used by the railway freight cars are different in types, complex in structure and irregular in shape, and the valve bodies are provided with a plurality of holes, so that the cleaning is difficult. If the cleaning is not clean, during the subsequent decomposition work, if solid dirt enters the blind hole of the brake valve, the brake air passage is easily blocked, the brake is stopped, the failure is relieved, and great potential safety hazard is caused to the operation of the railway wagon.

At present, the cleaning of the brake valve mainly adopts high-pressure water jet to carry out through type spray cleaning on the outer surface of the brake valve and the pipe fitting part. In the cleaning process, the sewage generated after cleaning is not treated and reused, so that a large amount of water resources are wasted. And after cleaning, a small amount of water still remains on the surface of the brake valve, which is inconvenient for next-step maintenance and brake valve installation and can not ensure the cleanness of the operation site.

Disclosure of Invention

In view of the above, the present invention provides a device for cleaning a surface of a brake valve of a railway vehicle to solve the above problems.

In view of the above object, the present invention provides a railway vehicle brake valve surface cleaning apparatus, comprising: a housing and a controller; the shell is internally divided into a feeding and discharging area, a cleaning chamber and a water circulation chamber, wherein the feeding and discharging area is internally connected with an air drying mechanism, a cleaning platform is arranged below the air drying mechanism, the end part of the cleaning platform extends into the cleaning chamber, the cleaning chamber is internally connected with a cleaning mechanism, and the cleaning chamber is communicated with the water circulation chamber; the controller is respectively electrically connected with the air drying mechanism, the cleaning platform and the cleaning mechanism.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is provided with a water circulation chamber for treating sewage generated in the cleaning process, thereby realizing the reutilization of the sewage and saving water resources.

2. Be provided with air-dry mechanism in this device for the brake valve that washs the completion air-dries the processing, the maintenance work on brake valve next step of being convenient for.

3. This device degree of automation is high, and cleaning process full automation realizes brake valve automated cleaning and air-dries, and filths such as brake valve surface rust and half drop coat of lacquer skin can high efficiency wash get rid of, effectively improves the cleaning efficiency.

Further, the cleaning mechanism comprises a first cleaning unit, a second cleaning unit and a third cleaning unit; the first cleaning unit comprises a first rotating motor, a first linear module, a first electric cylinder and a first composite cavitation nozzle, wherein the output end of the first rotating motor is connected with the first linear module, the first linear module is connected to the inner side wall of the cleaning chamber, the sliding end of the first linear module is connected with the first electric cylinder, and the output end of the first electric cylinder is connected with the first composite cavitation nozzle; the second cleaning unit comprises a second rotating motor, a cantilever connecting piece, a second linear module and a second composite cavitation nozzle, the second rotating motor is connected with the second linear module, the second linear module is connected to the inner side wall of the cleaning chamber, the sliding end of the second linear module is connected with the end part of the cantilever connecting piece, and the cantilever connecting piece is connected with the second composite cavitation nozzle; the third cleaning unit comprises a second electric cylinder and a third composite cavitation nozzle, the second electric cylinder is connected to the inner side wall of the cleaning chamber, and the output end of the second electric cylinder is connected with the third composite cavitation nozzle. The brake valve is cleaned in all directions through the cleaning mechanism, and dirt on the brake valve is cleaned completely.

Furthermore, the water circulation chamber comprises a basket filter, a sewage tank, a clean water tank and a high-pressure water pump, a cleaning chamber water outlet is formed in the bottom of the cleaning chamber and is connected with a water inlet of the basket filter, a water outlet of the basket filter is connected with a water inlet of the sewage tank, a water outlet of the sewage tank is connected with a water inlet of the clean water tank, a water outlet of the clean water tank is connected with a water inlet of the high-pressure water pump, and a water outlet of the high-pressure water pump is respectively connected with the first composite cavitation nozzle, the second composite cavitation nozzle and the third composite cavitation nozzle. The sewage is filtered twice through the basket filter and the sewage tank, and the clear water obtained after filtering is conveyed to the composite cavitation nozzle again for cleaning the brake valve, so that the water recycling is realized, and the water resource is saved.

Furthermore, the feeding and discharging area comprises a sliding door, a display screen, a partition plate and a laser correlation sensor; an upper material outlet and a lower material outlet are formed in the outer wall of the upper material outlet and the lower material outlet, a sliding door is mounted on the upper material outlet and the lower material outlet, a display screen is mounted on the outer wall of the upper material outlet and the lower material outlet on one side of the sliding door, and the display screen is electrically connected with the controller; the partition plate is vertically arranged between the feeding and discharging area and the cleaning area; the two inner side walls of the feeding and discharging area are respectively connected with oppositely arranged laser correlation sensors which are electrically connected with the controller. The type size of the brake valve is detected through the laser correlation sensor, and the height of the composite cavitation nozzle can be conveniently adjusted in the follow-up process.

Further, the cleaning platform comprises a third rotating motor, a first speed reducer, a mounting plate, a central rotating support piece, an optical axis connecting piece, a second speed reducer, a fourth rotating motor, a rotating tray support piece and a rotating tray; the output end of the third rotating motor is connected with the input end of the first speed reducer, the output end of the first speed reducer penetrates through the mounting plate to be connected with the central rotating support piece, and the side edge of the mounting plate is connected with the partition plate; the both ends of the central rotary supporting piece are respectively connected with an optical axis, the end part of the optical axis is connected with an optical axis connecting piece, a second speed reducer is arranged in the optical axis connecting piece in a penetrating mode, the input end of the second speed reducer is connected with the output end of a fourth rotary motor, the output end of the second speed reducer is connected with a rotary tray supporting piece, the rotary tray supporting piece is located above the optical axis connecting piece, a rotary tray is connected onto the rotary tray supporting piece, and the rotary tray is of a hollow structure. The rotary tray with the rotatable hollow structure is arranged on the cleaning platform and is matched with the cleaning mechanism in the cleaning process, so that the brake valve can be flushed in all aspects.

Furthermore, the baffle includes top fixed baffle, middle removal baffle and below fixed baffle, and top fixed baffle is connected with the interior top surface in last unloading district, and below fixed baffle is connected with the interior bottom surface in last unloading district, is connected with rodless cylinder on the two inside walls in last unloading district respectively, and rodless cylinder's output is connected with middle removal baffle, and middle removal baffle sets up between top fixed baffle and below fixed baffle. The middle movable partition plate can be lifted, so that the cleaning platform can be rotated, and the positions of the two rotary trays are exchanged.

Furthermore, rectangular notches are respectively formed in two ends of the lower fixing partition plate, and a brush curtain is connected to the position, opposite to the rectangular notches, of the bottom of the middle moving partition plate. When the cleaning platform rotates, the fourth rotating motor can pass through the rectangular notch, so that the blockage of the lower fixed partition plate on the rotation of the cleaning platform is avoided; when the middle movable clapboard descends, the rectangular notch is blocked by the brush curtain, and the jet flow is prevented from splashing out of the cleaning chamber.

Further, the air drying mechanism comprises a standard cylinder, an air knife fixing piece and an air knife, the standard cylinder is connected to the inner top surface of the feeding and discharging area, the output end of the standard cylinder is connected with the air knife fixing piece, and the air knife fixing piece is connected with the air knife. The air knife is connected with an external air compressor to air-dry the cleaned brake valve.

Further, still include float switch and relay, float switch connects on the inside wall of purge chamber, and float switch is connected with the relay electricity. When the water level in the cleaning chamber rises to a specified height, the float switch is closed, and the relay can give an alarm, so that the electric elements in the cleaning chamber are prevented from being damaged by accumulated water.

Drawings

FIG. 1 is a schematic view of a brake valve;

FIG. 2 is a schematic view of a railway car brake valve surface cleaning apparatus provided by an embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of a railway vehicle brake valve surface cleaning apparatus provided in an embodiment of the present invention;

FIG. 4 is a schematic view of a feeding and discharging area of the surface cleaning apparatus for a brake valve of a railway vehicle according to an embodiment of the present invention;

FIG. 5 is a schematic view of a cleaning platform of the railway vehicle brake valve surface cleaning apparatus provided by the embodiment of the present invention;

FIG. 6 is a schematic illustration of a brake valve placement of the railway car brake valve surface cleaning apparatus provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of an air knife of a railway car brake valve surface cleaning apparatus provided in accordance with an embodiment of the present invention;

FIG. 8 is a schematic view of a cleaning chamber of a railway car brake valve surface cleaning apparatus provided in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of a first cleaning unit of the railway vehicle brake valve surface cleaning apparatus provided by the embodiment of the invention;

FIG. 10 is a schematic view of a second cleaning unit of the railway vehicle brake valve surface cleaning apparatus provided by the embodiment of the invention;

FIG. 11 is a schematic view of a third cleaning unit of the railway vehicle brake valve surface cleaning apparatus provided by the embodiment of the present invention;

FIG. 12 is a side view of a water circulation chamber of a railway car brake valve surface cleaning apparatus provided in accordance with an embodiment of the present invention;

FIG. 13 is a front view of a water circulation chamber of a railway car brake valve surface cleaning apparatus provided by an embodiment of the present invention.

Labeled as: 1. a housing; 2. a loading and unloading area; 3. an electric control chamber; 4. a water circulation chamber; 5. a cleaning chamber; 6. a display screen; 7. a sliding door; 8. a clapboard is fixed above the bracket; 9. a middle movable partition plate; 10. a clapboard is fixed below the baffle; 11. a laser correlation sensor; 12. a rodless cylinder; 13. a standard cylinder; 14. an air knife fixture; 15. an air knife; 16. a basket filter; 17. a sewage tank; 18. a clear water tank; 19. a quick adapter; 20. a sewage pump; 21. a high pressure water pump; 22. a float switch; 23. a brush curtain; 24. a first rotating electrical machine; 25. a first linear module; 26. a first electric cylinder; 27. a first compound cavitation nozzle; 28. a second rotating electrical machine; 29. a cantilever connection member; 30. a second linear module; 31. a nozzle link; 32. a second compound cavitation nozzle; 33. a second electric cylinder; 34. a third compound cavitation nozzle; 35. rotating the tray; 36. a rotating tray support; 37. plugging and sealing; 38. an optical axis connecting member; 39. a motor protection cover; 40. an optical axis; 41. a central rotational support; 42. a central rotary seal; 43. a third rotating electrical machine; 44. a first decelerator; 45. a first mounting plate; 46. a second mounting plate; 47. a square tube; 48. reinforcing ribs; 49. a water pipe; 50. a fourth rotating electrical machine; 51. a brake valve; 52. a water level gauge.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.

As shown in fig. 1, the brake valve 51 has a complicated structure and an irregular shape, and the valve body itself has many holes and is difficult to clean. In view of the above, as shown in fig. 2, the present invention provides a surface cleaning device for a brake valve of a railway vehicle, which comprises a housing 1 and the like. The shell 1 is of a box structure, and the shell 1 is internally divided into a feeding and discharging area 2, an electric control chamber 3, a water circulation chamber 4 and a cleaning chamber 5.

The electric control chamber 3 is used for installing electric control elements, and a controller, a relay, an air circuit breaker, a switch power supply, an A/D conversion module and the like are arranged in the electric control chamber 3 so as to ensure the normal operation of a circuit.

As shown in fig. 3, the loading and unloading area 2 is disposed adjacent to the cleaning chamber 5, and both the loading and unloading area 2 and the cleaning chamber 5 are disposed on the upper portion of the housing 1. As shown in fig. 4, the feeding and discharging area 2 is composed of a sliding door 7, a display screen 6, a partition board, a rodless cylinder 12, a laser correlation sensor 11 and the like. Go up and down to have seted up on the outer wall in unloading district 2 and expect mouthful, go up the unloading mouth and set up in the position relative with cleaning platform, install push-and-pull door 7 on going up the unloading mouth. After the staff opened push-and-pull door 7, just can carry out material loading operation or unloading operation. Fixed mounting has display screen 6 on the 2 outer walls in last unloading district of 7 one sides of push-and-pull door, and display screen 6 is connected with the controller electricity, and the controller adopts the PLC controller.

The baffle is vertical setting for go up unloading district 2 and purge chamber 5 in the partition, the baffle comprises top fixed partition 8, middle removal baffle 9 and below fixed partition 10. The top end of the upper fixed clapboard 8 is fixedly connected with the inner top surface of the feeding and discharging area 2, and the side end of the upper fixed clapboard 8 is fixedly connected with the inner wall of the feeding and discharging area 2. The bottom end of the lower fixed clapboard 10 is fixedly connected with the inner bottom surface of the feeding and discharging area 2, and the side end of the lower fixed clapboard 10 is fixedly connected with the inner wall of the feeding and discharging area 2. Two inner side walls of the feeding and discharging area 2 are respectively and fixedly connected with a rodless cylinder 12, the rodless cylinder 12 is electrically connected with a controller, an output end of the rodless cylinder 12 is fixedly connected with a middle movable partition plate 9, the middle movable partition plate 9 is arranged between an upper fixed partition plate 8 and a lower fixed partition plate 10, and the middle movable partition plate 9 can move up and down under the driving of the rodless cylinder 12.

The lower fixed partition 10 includes two plates arranged in parallel, and the cleaning platform is installed at the middle position of the lower fixed partition 10. As shown in fig. 5 and 6, the cleaning platform is composed of a third rotating motor 43, a first reducer 44, a mounting plate, a central rotating support 41, an optical axis 40, an optical axis connector 38, a second reducer, a fourth rotating motor 50, a rotating tray support 36, a rotating tray 35, and the like, and the third rotating motor 43 and the fourth rotating motor 50 are electrically connected to the controller, respectively. The output end of the third rotating electrical machine 43 is connected to the input end of the first reduction gear 44, and the third rotating electrical machine 43 is fixedly connected to the first reduction gear 44 by a screw. The mounting panel comprises first mounting panel 45, second mounting panel 46 and side's pipe 47, and first reduction gear 44 passes through bolt and first mounting panel 45 fixed connection, and the both ends of first mounting panel 45 upper surface are fixedly connected with side's pipe 47 respectively, and fixedly connected with second mounting panel 46 on the side's pipe 47, side's pipe 47 pass through the bolt and are connected with first mounting panel 45, second mounting panel 46 respectively for bear the weight of top component. Third rotating electrical machines 43, first reduction gear 44 and mounting panel all are located inside below fixed partition 10, and the inner wall fixed connection of mounting panel and below fixed partition 10, and the shape and the cleaning platform looks adaptation of below fixed partition 10 guarantee cleaning platform's stable connection and normal operating. The central rotary supporting member 41 is located on the second mounting plate 46, and the output end of the first speed reducer 44 sequentially passes through the first mounting plate 45 and the second mounting plate 46, and is connected with the central rotary supporting member 41 through a flat key. The second mounting plate 46 is sleeved with a central rotary sealing element 42 to prevent the jet from splashing to the joint of the output end of the first speed reducer 44 and the central rotary supporting element 41 to influence transmission.

The optical axis 40 is connected to both sides of the central rotation support 41 through flat keys, and the reinforcing ribs 48 are fixedly connected to the joints of the central rotation support 41 and the optical axis 40, so as to enhance the strength and rigidity of the optical axis 40, thereby being capable of bearing a large load. The end of the optical axis 40 is connected with an optical axis connecting piece 38, a second speed reducer is fixedly arranged in the optical axis connecting piece 38 in a penetrating manner, the bottom of the second speed reducer is fixedly connected with a fourth rotating motor 50 through a screw, and the output end of the fourth rotating motor 50 is connected with the input end of the second speed reducer. The motor protective cover 39 is sleeved outside the fourth rotating motor 50, and the motor protective cover 39 is connected to the optical axis connecting piece 38 to prevent jet splashing from causing damage to the fourth rotating motor 50. The top of optical axis connecting piece 38 is provided with rotatory tray support piece 36, and rotatory tray support piece 36 is connected with the second reduction gear output, and the cover is equipped with general stopper and seals 37 on rotatory tray support piece 36, prevents that the efflux from splashing the junction of rotatory tray support piece 36 and second gear motor output, influences the transmission. The rotary tray 35 is fixedly connected to the rotary tray support 36, and the rotary tray 35 is of a hollow structure.

Two rectangle breachs that the symmetry set up are seted up at the top of below fixed stop 10, and the bottom of middle removal baffle 9 is connected with the brush curtain 23 that sets up with the rectangle breach relatively, and after middle removal baffle 9 descends, brush curtain 23 can just in time remove to the rectangle breach in. By providing a rectangular gap, when the cleaning platform rotates, the fourth rotating electrical machine 50 can pass through the rectangular gap, thereby preventing the lower stationary barrier 10 from obstructing the rotation of the cleaning platform. When the intermediate movable partition 9 descends, the rectangular notch is blocked by the brush curtain 23, and the jet flow is prevented from splashing from the cleaning chamber 5.

The two inner side walls of the loading and unloading area 2 are respectively connected with a laser correlation sensor 11, the relative position between the laser correlation sensor 11 and the rotating tray 35 is adjusted, so that the laser correlation sensor 11 can respectively detect the model and the size of each brake valve 51 on the rotating tray 35, and the laser correlation sensor 11 is electrically connected with the controller. In the present embodiment, three pairs of laser correlation sensors 11 are provided.

The air drying mechanism is composed of a standard air cylinder 13, an air knife fixing piece 14 and an air knife 15, the standard air cylinder 13 is electrically connected with the controller, the standard air cylinder 13 is connected to the inner top surface of the feeding and discharging area 2, the output end of the standard air cylinder 13 is connected with the air knife fixing piece 14, as shown in fig. 7, the air knife 15 is connected to the air knife fixing piece 14, and the air knife 15 is located above the rotating platform. The air knife 15 is connected via an air line to an air compressor, which is arranged outside the housing 1. Thus, the air knife 15 can blow air to the cleaned brake valve 51 to dry the brake valve 51.

As shown in fig. 8, a cleaning mechanism, a float switch 22, and the like are provided in the cleaning chamber 5, and the cleaning mechanism is composed of a first cleaning unit, a second cleaning unit, and a third cleaning unit. As shown in fig. 9, the first cleaning unit is composed of a first rotating electric machine 24, a first linear module 25, a first electric cylinder 26 and a first composite cavitation nozzle 27, and the first rotating electric machine 24 and the first electric cylinder 26 are electrically connected to the controller, respectively. Vertical fixed connection of first straight line module 25 is on the inside wall of purge chamber 5, and first rotating electrical machines 24 fixed connection is at the top of first straight line module 25, and first rotating electrical machines 24's output and first straight line module 25 are connected, first straight line module 25 slip end and first electronic jar 26 fixed connection, flange and first compound cavitation nozzle 27 fixed connection are passed through to first electronic jar 26's output, and first compound cavitation nozzle 27's delivery port sets up down.

As shown in fig. 10, the second cleaning unit is composed of a second rotating motor 28, a cantilever connection 29, a second linear module 30, a nozzle connection 31 and a second composite cavitation nozzle 32, and the second rotating motor 28 is electrically connected to the controller. Vertical fixed connection of second straight line module 30 is on the inside wall of purge chamber 5, and second rotating electrical machines 28 fixed connection is at the top of second straight line module 30, and second rotating electrical machines 28 output is connected with second straight line module 30, and the tip fixed connection of second straight line module 30 output and cantilever connecting piece 29 is connected with nozzle connecting piece 31 on the cantilever connecting piece 29, is connected with the compound cavitation nozzle 32 of second on the nozzle connecting piece 31. In this embodiment, two second combined cavitation nozzles 32 are provided, and the water outlets of the second combined cavitation nozzles 32 are arranged obliquely downward.

As shown in fig. 11, the third cleaning unit is composed of a second electric cylinder 33 and a third composite cavitation nozzle 34, and the second electric cylinder 33 is electrically connected to the controller. The electronic jar 33 level of second sets up, and the tip fixed connection of the electronic jar 33 of second is on the inside wall of purge chamber 5, and the output of the electronic jar 33 of second passes through the flange to be connected with third compound cavitation nozzle 34, and the delivery port of third compound cavitation nozzle 34 sets up upwards. Compared with the traditional high-pressure water jet, the composite cavitation jet has stronger cleaning capability, lower energy consumption and higher jet pulse intensity. The erosion, cleaning ability and effective target distance of the jet flow of the novel nozzle under the same pressure condition are obviously superior to those of the common high-pressure water jet flow.

The float switch 22 is a stainless steel duck bill float switch 22, the stainless steel duck bill float switch 22 is fixedly connected to one side of the lower fixed partition plate 10 facing the washing chamber 5 through bolts, and the float switch 22 is electrically connected with the relay. If the drain of the washing chamber 5 or the basket strainer 16 is clogged, the water level in the washing chamber 5 rises. When the water level rises to a specified height, the stainless steel duckbill float switch 22 is closed, and a relay connected with the stainless steel duckbill float switch gives an alarm, so that the accumulated water is prevented from damaging electrical elements such as a rotating motor in the cleaning chamber 5.

The water circulation chamber 4 and the electric control chamber 3 are both disposed at the lower portion of the housing 1. As shown in fig. 12 and 13, the water circulation chamber 4 is composed of a basket filter 16, a sewage tank 17, a clean water tank 18 and a high pressure water pump 21, a water outlet of the washing chamber 5 is arranged at the bottom of the washing chamber 5, the water outlet of the washing chamber 5 is connected with a water inlet of the basket filter 16, and a water outlet of the basket filter 16 is connected with a water inlet of the sewage tank 17. The sewage tank 17 is provided with a plurality of layers of hydrophilic oil absorbent cotton for further filtering the water flowing into the sewage tank 17. The sewage tank 17 is arranged above the clean water tank 18, the water outlet of the sewage tank 17 is connected with the water inlet of the clean water tank 18, the water level gauge 52 is installed on the clean water tank 18, and the water outlet of the clean water tank 18 is connected with the high-pressure water pump 21 through the water pipe 49 and the quick adapter 19. The high-pressure water pump 21 pumps clean water in the clean water tank 18, and the clean water is connected with each composite cavitation nozzle through a water pipe 49 and pumped for cleaning.

The working process is as follows: step one, the sliding door 7 is opened, and at the moment, the rotating tray 35 in the feeding and discharging area 2 is located in the middle. Four brake valves 51 are uniformly placed on the rotary tray 35 in the loading and unloading area 2 through manual work, the base of each brake valve 51 is seated on the rotary tray 35, and the four brake valves 51 surround a circle. During the placing process, the fourth rotating motor 50 is controlled to drive the rotating tray 35 to rotate, and the manual prevention brake valve 51 is matched.

And step two, the fourth rotating motor 50 drives the driving tray to rotate, the four brake valves 51 sequentially pass through the laser position of the laser correlation sensor 11, and the models and the sizes of the four brake valves 51 are respectively detected through the laser correlation sensor 11.

And step three, the rodless cylinders 12 on the two sides drive the middle movable partition plate 9 to ascend, the third rotating motor 43 drives the central rotating support 41 to rotate for 180 degrees, and the rotating tray 35 where the brake valve 51 to be cleaned is placed rotates into the cleaning chamber 5. The rodless cylinder 12 drives the intermediate movable partition 9 to descend, and separates the cleaning chamber 5 from the loading and unloading area 2 to prepare for cleaning. Meanwhile, the brake valve 51 is manually placed on the rotating tray 35 at the other end, and the placing and detecting steps are carried out according to the first step and the second step.

And step four, adjusting the height of the first composite cavitation spray head according to the measured model and size of the brake valve 51. The first rotating motor 24 drives the output end of the first linear module 25 to move, and further drives the first electric cylinder 26 and the first composite cavitation nozzle to move up and down, and the first composite cavitation nozzle stops moving after the height of the first composite cavitation nozzle is adjusted to a proper position.

In the cleaning process, the first electric cylinder 26 stretches and retracts to drive the first composite cavitation nozzle to reciprocate, so that the upper surface of the brake valve 51 is washed. The second rotating motor 28 drives the sliding end of the second linear module 30 to move, so as to drive the cantilever connecting piece 29 and the second composite cavitation nozzle to move up and down, and wash the inner ring surface and the outer ring surface of the brake valve 51. The electronic jar 33 of second drives the compound cavitation shower nozzle of third and carries out reciprocating motion, because rotatory tray 35 is hollow out construction, therefore the compound cavitation shower nozzle of third can wash brake valve 51 bottom in rotatory tray 35 below. Meanwhile, in the flushing process, the rotary tray 35 performs reciprocating rotation within 0 to 90 °, thereby achieving overall cleaning of the brake valve 51.

After one brake valve 51 is cleaned, the rotating tray 35 rotates 90 degrees, so that the next brake valve 51 is rotated to the position corresponding to the nozzle of the composite cavitation nozzle, the next brake valve 51 is cleaned, and the four brake valves 51 are cleaned respectively in sequence in the same manner as the cleaning process.

And step five, after the brake valves 51 on the rotary tray 35 in the cleaning chamber 5 are cleaned, the rodless cylinder 12 drives the middle movable partition plate 9 to ascend. The fourth rotating motor 50 rotates 180 degrees to exchange the positions of the two rotating trays 35, the rotating tray 35 with the cleaned brake valve 51 placed thereon returns to the loading and unloading area 2, the rotating tray 35 with the brake valve 51 to be cleaned placed thereon enters the cleaning chamber 5, and the rodless cylinder 12 drives the middle moving partition 9 to descend. The air knife 15 operates to air-dry the cleaned brake valve 51. At the same time, the brake valve 51 to be cleaned is cleaned in the cleaning chamber 5.

And step six, after the air drying is finished, carrying out manual blanking, and putting other brake valves 51 to be cleaned again.

The waste water generated during the washing process flows into the basket strainer 16 through the drain port of the washing chamber 5 and is first filtered. Then flows into the sewage tank 17 through the basket filter 16, and is filtered for the second time through the plurality of layers of hydrophilic oil absorption cotton in the sewage tank 17. The filtered clean water flows into the clean water tank 18, the water in the clean water tank 18 is pumped out by the high-pressure water pump 21 and is conveyed to each composite cavitation nozzle, and water circulation is realized. After the water is used for a period of time, the clean water tank 18 and the sewage pump 20 are connected together through the quick adapter 19, the water in the clean water tank 18 is pumped out, and clean water is injected into the clean water tank 18 for replacement.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (9)

1. A railway car brake valve surface cleaning apparatus comprising: a housing and a controller; it is characterized in that the preparation method is characterized in that,

the shell is internally divided into a feeding and discharging area, a cleaning chamber and a water circulation chamber, wherein the feeding and discharging area is internally connected with an air drying mechanism, a cleaning platform is arranged below the air drying mechanism, the end part of the cleaning platform extends into the cleaning chamber, the cleaning chamber is internally connected with a cleaning mechanism, and the cleaning chamber is communicated with the water circulation chamber; the controller is respectively electrically connected with the air drying mechanism, the cleaning platform and the cleaning mechanism.

2. The railway vehicle brake valve surface cleaning apparatus as claimed in claim 1, wherein the cleaning mechanism comprises a first cleaning unit, a second cleaning unit and a third cleaning unit;

the first cleaning unit comprises a first rotating motor, a first linear module, a first electric cylinder and a first composite cavitation nozzle, the output end of the first rotating motor is connected with the first linear module, the first linear module is connected to the inner side wall of the cleaning chamber, the sliding end of the first linear module is connected with the first electric cylinder, and the output end of the first electric cylinder is connected with the first composite cavitation nozzle;

the second cleaning unit comprises a second rotating motor, a cantilever connecting piece, a second linear module and a second composite cavitation nozzle, the second rotating motor is connected with the second linear module, the second linear module is connected to the inner side wall of the cleaning chamber, the sliding end of the second linear module is connected with the end part of the cantilever connecting piece, and the cantilever connecting piece is connected with the second composite cavitation nozzle;

the third cleaning unit comprises a second electric cylinder and a third composite cavitation nozzle, the second electric cylinder is connected to the inner side wall of the cleaning chamber, and the output end of the second electric cylinder is connected with the third composite cavitation nozzle.

3. The railway vehicle brake valve surface cleaning device as claimed in claim 2, wherein the water circulation chamber comprises a basket filter, a sewage tank, a clean water tank and a high pressure water pump, a cleaning chamber water outlet is formed in the bottom of the cleaning chamber and connected with the basket filter water inlet, a basket filter water outlet is connected with the sewage tank water inlet, a sewage tank water outlet is connected with the clean water tank water inlet, a clean water tank water outlet is connected with the high pressure water pump water inlet, and the high pressure water pump water outlet is respectively connected with the first compound cavitation nozzle, the second compound cavitation nozzle and the third compound cavitation nozzle.

4. The railway vehicle brake valve surface cleaning device of claim 1, wherein the feeding and discharging area comprises a sliding door, a display screen, a partition plate and a laser correlation sensor; an upper material discharging port and a lower material discharging port are formed in the outer wall of the upper material discharging area, a sliding door is installed on the upper material discharging port and the lower material discharging port, a display screen is installed on the outer wall of the upper material discharging area on one side of the sliding door, and the display screen is electrically connected with the controller; the partition plate is vertically arranged between the feeding and discharging area and the cleaning area; the two inner side walls of the feeding and discharging area are respectively connected with oppositely arranged laser correlation sensors which are electrically connected with the controller.

5. The railway car brake valve surface cleaning apparatus as claimed in claim 4, wherein the cleaning platform comprises a third rotating electrical machine, a first decelerator, a mounting plate, a central rotating support member, an optical axis connecting member, a second decelerator, a fourth rotating electrical machine, a rotating tray support member, and a rotating tray; the output end of the third rotating motor is connected with the input end of the first speed reducer, the output end of the first speed reducer penetrates through the mounting plate to be connected with the central rotating support piece, and the side edge of the mounting plate is connected with the partition plate; the both ends of the central rotary supporting piece are respectively connected with an optical axis, the end part of the optical axis is connected with an optical axis connecting piece, a second speed reducer is arranged in the optical axis connecting piece in a penetrating mode, the input end of the second speed reducer is connected with the output end of a fourth rotary motor, the output end of the second speed reducer is connected with a rotary tray supporting piece, the rotary tray supporting piece is located above the optical axis connecting piece, a rotary tray is connected onto the rotary tray supporting piece, and the rotary tray is of a hollow structure.

6. The surface cleaning device for the brake valve of the railway vehicle as claimed in claim 4, wherein the partition comprises an upper fixed partition, a middle movable partition and a lower fixed partition, the upper fixed partition is connected with the inner top surface of the feeding and discharging area, the lower fixed partition is connected with the inner bottom surface of the feeding and discharging area, two inner side walls of the feeding and discharging area are respectively connected with rodless cylinders, the output ends of the rodless cylinders are connected with the middle movable partition, and the middle movable partition is arranged between the upper fixed partition and the lower fixed partition.

7. The device for cleaning the surface of the brake valve of the railway vehicle as claimed in claim 6, wherein rectangular notches are respectively formed at two ends of the lower fixed partition plate, and a brush curtain is connected to the bottom of the middle movable partition plate at a position opposite to the rectangular notches.

8. The apparatus for cleaning a surface of a brake valve of a railway vehicle as claimed in claim 1, wherein the air drying mechanism comprises a standard cylinder, an air knife fixing member and an air knife, the standard cylinder is connected to an inner top surface of the loading and unloading area, an output end of the standard cylinder is connected to the air knife fixing member, and the air knife is connected to the air knife fixing member.

9. The railway vehicle brake valve surface cleaning device according to claim 1, further comprising a float switch and a relay, wherein the float switch is connected to an inner side wall of the cleaning chamber, and the float switch is electrically connected to the relay.

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