Cleaning robot for railway yard

Abstract

The utility model discloses a cleaning robot for a railway yard. The cleaning robot comprises a vehicle body, crawler wheels, two track wheel sets and a cleaning device. The crawler wheels are arranged on the left side and the right side of the vehicle body; the two track wheel sets are arranged at the front end and the rear end of the vehicle body, one end of each track wheel set is rotationally arranged along the axis in the left-right direction, and therefore the other end of each track wheel set has the running state that the track wheel sets rotate downwards to protrude out of the corresponding crawler wheel and the avoiding state that the track wheel sets rotate upwards to be higher than the corresponding crawler wheel. Rail wheels of the rail wheel set are used for abutting against a rail. And the cleaning device is arranged at the bottom of the vehicle body. Through the arrangement of the crawler wheels and the rail wheel sets, the rail sweeper can run on the flat ground and can also run on the rail, so that the purpose of sweeping away garbage on the flat ground and near the rail is achieved, and the cleaning work of the whole railway yard is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning robots, in particular to a railway station cleaning robot. Background Art

[0002] Railway yard cleaning is crucial to ensuring the safety and smoothness of railway operations. Railway yard cleaning generally includes ground cleaning within the yard and cleaning within the tracks.

[0003] Patent CN112450811A discloses a crawler-type mopping robot, which includes a main frame, a water tank provided in the inner cavity of the main frame, and symmetrical walking devices provided on both sides of the main frame, wherein the walking devices include walking tracks and cleaning wheels provided on the walking tracks, and each of the cleaning wheels is connected to an active motor; a cleaning mechanism is provided on the top of the main frame and above the water tank, and the cleaning mechanism is provided with a spraying area and a dehydration area in front and behind in the forward direction of the main frame; the wastewater generated when the cleaning wheel passes through the spraying area and the dehydration area for cleaning in turn flows back to the water tank through a filter provided on the top of the water tank.

[0004] Since the railway track consists of two rails, several sleepers and gravel, and the terrain is complex, the above-mentioned existing technology cannot clean the inside of the track, which is not conducive to the cleaning work of the entire railway station. Utility Model Content

[0005] The purpose of the present invention is to overcome the above technical deficiencies and propose a railway yard cleaning robot to solve the technical problem that the existing technology cannot clean the inside of the track, which is not conducive to the cleaning work of the entire railway yard.

[0006] In order to achieve the above technical objectives, the present invention adopts the following technical solutions:

[0007] The utility model provides a railway yard cleaning robot, comprising:

[0008] body;

[0009] Track wheels are provided on the left and right sides of the vehicle body;

[0010] Two track wheel assemblies are provided at the front and rear ends of the vehicle body, one end of the track wheel assembly is rotatably arranged along an axis pointing leftward and rightward, so that the other end of the track wheel assembly can be rotated downward to protrude from the track wheel in a traveling state and rotated upward to be higher than the track wheel in a avoiding state, so that in the traveling state, the track wheels of the track wheel assembly are used to abut against the track; and

[0011] The cleaning device is arranged at the bottom of the vehicle body.

[0012] In some embodiments, the track wheel assembly includes a connecting assembly and two track wheels, one end of the connecting assembly is rotatably mounted on the vehicle body, and the two track wheels are rotatably mounted on the left and right ends of the connecting assembly, and a hub motor is provided in the track wheel.

[0013] In some embodiments, two track wheels are movably provided on the connecting assembly in a left-right direction, so that the distance between the two track wheels is adjustable.

[0014] In some embodiments, the connecting assembly includes a connecting member, a guide sleeve and two connecting rods. One end of the connecting member is rotatably mounted on the vehicle body. The guide sleeve is provided at the other end of the connecting member and extends in the left and right directions. The two connecting rods are respectively slidably inserted into the guide sleeve from both ends of the guide sleeve, and the track wheel is connected to one end of the connecting rod located outside the guide sleeve.

[0015] In some embodiments, the guide sleeve is provided with a positioning hole, and the connecting rod is provided with a plurality of through holes spaced apart along its axial direction;

[0016] The connecting assembly also includes a positioning pin, which is adapted to the positioning hole and the through hole. When the connecting rod slides to one of the through holes correspondingly connected to the positioning hole, the positioning pin is inserted into the positioning hole and the through hole to fix the connecting rod.

[0017] In some embodiments, the railway yard cleaning robot further includes two driving mechanisms, which correspond one-to-one to the two connecting assemblies. The driving parts of the driving mechanisms are connected to the connecting assemblies to drive the connecting assemblies to rotate.

[0018] In some embodiments, the vehicle body is provided with mounting plates at both the front and rear ends, the connecting assembly is rotatably mounted on the mounting plates, the mounting plates are provided with a plurality of first mounting holes circumferentially spaced along the rotation axis of the connecting assembly, and the connecting assembly is provided with a second mounting hole;

[0019] The railway yard cleaning robot further includes a latch, so that when the connecting assembly is rotated to a set position, one of the first mounting holes corresponds to the second mounting hole, and the latch is inserted into the first mounting hole and the second mounting hole.

[0020] In some embodiments, the outer periphery of the track wheel is provided with rubber lagging.

[0021] In some embodiments, the cleaning device includes a vacuum adsorption device, which includes a suction cup, a collection assembly and a vacuum pump connected in sequence. The suction cup is arranged at the bottom of the vehicle body and facing the ground. The vacuum pump and the collection assembly are arranged in the vehicle body. The vacuum pump is used to generate negative pressure, and the collection assembly is used to collect debris.

[0022] In some embodiments, there are multiple suction cups, and the multiple suction cups are arranged in an array.

[0023] Compared with the prior art, the railway yard cleaning robot provided by the present invention has track wheels arranged on the left and right sides of the vehicle body for traveling on flat ground, and the two track wheel groups are rotatably installed on the front and rear ends of the vehicle body respectively. When the track wheel group rotates downward to a height lower than the track wheels, the track wheels can abut against the tracks, so that the device can travel on the tracks; when the track wheel group rotates upward to a height higher than the track wheels, the track wheels abut against the ground, and the device can travel on a flat surface. The cleaning device can clean garbage in the railway yard. By arranging the track wheels and the track wheel group, the present application can travel on both flat ground and on tracks, thereby achieving the purpose of cleaning garbage on flat ground and near the tracks, which is beneficial to the cleaning work of the entire railway yard.

[0024] The above description is only an overview of the technical solution of the present invention. In order to enable a clearer understanding of the technical means of the present invention and to implement it according to the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural diagram of an embodiment of the railway yard cleaning robot provided by the present utility model;

[0026] Figure 2 yes Figure 1 The main view of the railway yard cleaning robot;

[0027] Figure 3 yes Figure 1 Bottom view of the railway yard cleaning robot;

[0028] Figure 4 yes Figure 1 Cross-sectional view of the middle track wheel set;

[0029] Figure 5 yes Figure 1 Partial cross-sectional view of the middle track wheel set;

[0030] Figure 6 This is a front view of another embodiment of the railway yard cleaning robot provided by the present invention;

[0031] Figure 7 yes Figure 6 An overhead view of a railway yard cleaning robot.

[0032] Description of reference numerals:

[0033] 1-car body, 2-track wheel, 3-track wheel assembly, 31-connecting piece, 32-guide sleeve, 321-positioning hole, 33-connecting rod, 331-through hole, 34-track wheel, 35-positioning pin, 4-vacuum adsorption device, 41-suction cup, 5-driving mechanism, 6-mounting plate, 61-first mounting hole. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] In order to solve the technical problem in the prior art that the inside of the track cannot be cleaned, which is not conducive to the cleaning work of the entire railway station, the utility model provides a railway station cleaning robot that can travel on flat ground and on tracks, thereby achieving the purpose of cleaning garbage on the flat ground and near the tracks, which is beneficial to the cleaning work of the entire railway station.

[0036] See also Figure 1 , Figure 1 This is a schematic structural diagram of a railway yard cleaning robot in one embodiment of the present invention.

[0037] The utility model provides a railway yard cleaning robot, comprising a vehicle body 1, track wheels 2, two rail wheel groups 34 3 and a cleaning device; the track wheels 2 are arranged on the left and right sides of the vehicle body 1; the two rail wheel groups 34 3 are arranged at the front and rear ends of the vehicle body 1, and one end of the rail wheel group 34 3 is rotatably arranged along an axis pointing left and right and upward, so that the other end of the rail wheel group 34 3 has a driving state in which it is rotated downward to protrude from the track wheels 2 and a avoiding state in which it is rotated upward to be higher than the track wheels 2, so that in the driving state, the rail wheels 34 of the rail wheel group 34 3 are used to abut against the rails; the cleaning device is arranged at the bottom of the vehicle body 1.

[0038] In this example, see Figures 1 to 3The track wheels 2 are arranged on the left and right sides of the vehicle body 1 for traveling on flat ground. The two track wheel groups 34 3 are rotatably installed on the front and rear ends of the vehicle body 1 respectively. When the track wheel group 34 3 rotates downward to a height lower than the track wheel 2, the track wheel 34 can abut against the track, so that the device can travel on the track. When the track wheel group 34 3 rotates upward to a height higher than the track wheel 2, the track wheel 2 abuts against the ground, and the device can travel on a flat surface. The cleaning device can clean garbage in the railway station. By arranging the track wheels 2 and the track wheel group 34 3, the present application can travel on both flat ground and on rails, thereby achieving the purpose of cleaning garbage on flat ground and near the rails, which is beneficial to the cleaning work of the entire railway station.

[0039] In one embodiment, see Figures 3 to 5 The track wheel group 34 includes a connecting assembly and two track wheels 34. One end of the connecting assembly is rotatably mounted on the vehicle body 1. The two track wheels 34 are rotatably mounted on the left and right ends of the connecting assembly. A hub motor is provided in the track wheel 34.

[0040] In this embodiment, the rear end of the connecting assembly located on the front side is rotatably mounted on the front end of the vehicle body 1 along an upward left-right axis, and the two track wheels 34 are rotatably mounted on the left and right ends of the front side of the connecting assembly along an upward left-right axis, and the track wheels 34 are equipped with hub motors, which are driven to rotate by the hub motors, thereby realizing driving on the track.

[0041] In one embodiment, see Figures 4 and 5 The two track wheels 34 are movably arranged on the connecting assembly along the left and right directions, so that the distance between the two track wheels 34 can be adjusted.

[0042] In this embodiment, since different tracks have different track gauges, in order to be able to travel on different tracks, the two track wheels 34 are movably arranged in the left and right directions, that is, the two track wheels 34 can approach or move away from each other, thereby adjusting the distance between the two track wheels 34 to adapt to different tracks.

[0043] Specifically, in this embodiment, the distance between the two rail wheels 34 ranges from 1000 mm to 1435 mm.

[0044] In one embodiment, see Figures 4 and 5The connecting assembly includes a connecting member 31, a guide sleeve 32 and two connecting rods 33. One end of the connecting member 31 is rotatably mounted on the vehicle body 1. The guide sleeve 32 is provided at the other end of the connecting member 31 and extends in the left and right directions. The two connecting rods 33 are respectively slidably inserted into the guide sleeve 32 from both ends of the guide sleeve 32. The track wheel 34 is connected to one end of the connecting rod 33 located outside the guide sleeve 32.

[0045] In this embodiment, both the front and rear ends of the vehicle body 1 are convexly provided with mounting portions, and the mounting portions are penetrated by a rotating shaft hole extending in the left and right directions. One end of the connecting member 31 is also provided with a rotating shaft, and the rotating shaft is rotatably installed in the rotating shaft hole, so that the other end of the connecting member 31 is rotatably set, and the guide sleeve 32 is fixedly connected to the other end of the connecting member 31, and the connecting rod 33 is adapted to the inner hole of the guide sleeve 32. One end of the connecting rod 33 is slidably installed in the guide sleeve 32, and the track wheel 34 is rotatably installed on the other end of the connecting rod 33. The two connecting rods 33 are slidably set to achieve adjustable spacing between the two track wheels 34.

[0046] In one embodiment, see Figures 4 and 5 The guide sleeve 32 is provided with a positioning hole 321, and the connecting rod 33 is provided with a plurality of through holes 331 arranged along its axial direction; the connecting assembly also includes a positioning pin 35, and the positioning pin 35 is adapted to the positioning hole 321 and the through hole 331, so that when the connecting rod 33 slides to one of the through holes 331 and the positioning hole 321, the positioning pin 35 is inserted into the positioning hole 321 and the through hole 331 to fix the connecting rod 33.

[0047] When the connecting rod 33 slides to the set position, it is prevented from sliding again. In this embodiment, the guide sleeve 32 is provided with two positioning holes 321 near its two ends. The positioning holes 321 pass through the inner hole of the guide sleeve 32. A plurality of through holes 331 are provided on the connecting rod 33. The positioning pin 35 and the positioning hole 321 and the through hole 331 have the same diameter. When the connecting rod 33 slides, the through hole 331 can correspond to the positioning hole 321, and then the positioning pin 35 is inserted into the positioning hole 321 and the corresponding through hole 331 to fix the connecting rod 33.

[0048] Specifically, in order to improve the connection strength, two connecting members 31 are provided, and the two connecting members 31 are spaced apart in the left and right directions. One end of each connecting member 31 is rotatably mounted on the mounting portion, and the other end of the connecting member 31 is fixedly connected to the guide sleeve 32.

[0049] Furthermore, there is no limitation on the form of driving the connecting member 31 to rotate. A driving device may be provided to drive the connecting member 31 to rotate, or the connecting member 31 may be driven to rotate manually.

[0050] In this embodiment, a positioning surface is provided on one side of the connecting rod 33, and the connecting assembly also includes two positioning sleeves, which are installed at both ends of the guide sleeve 32, and the inner hole shape of the positioning sleeve is adapted to the connecting rod 33. The connecting rod 33 is passed through the positioning sleeve and the guide sleeve 32, so that the positioning sleeve and the connecting rod 33 are limited in position to limit the rotation of the connecting rod 33.

[0051] In one embodiment, see Figures 1 to 3 The railway yard cleaning robot also includes two driving mechanisms 5, which correspond one to one with the two connecting components. The driving parts of the driving mechanisms 5 are connected to the connecting components to drive the connecting components to rotate.

[0052] Specifically, the two driving mechanisms 5 are installed at the front and rear ends of the vehicle body 1 , and the driving portion is connected to the rotating shaft to drive the connecting member 31 to rotate through the driving mechanism 5 .

[0053] Furthermore, the driving mechanism 5 includes a worm gear reducer and a driving motor, the driving part of the driving motor is connected to the input part of the worm gear reducer, and the rotating shafts of the two connecting members 31 are connected to the output part of the worm gear reducer, and the two connecting members 31 are driven to rotate by the driving motor.

[0054] In another embodiment, see Figures 6 and 7 The vehicle body 1 is provided with a mounting plate 6 at both the front and rear ends, and the connecting assembly is rotatably mounted on the mounting plate 6. The mounting plate 6 is provided with a plurality of first mounting holes 61 circumferentially spaced along the rotation axis of the connecting assembly, and the connecting assembly is provided with a second mounting hole; the railway yard cleaning robot also includes a pin, so that when the connecting assembly is rotated to a set position, one of the first mounting holes 61 corresponds to the second mounting hole, and the pin is inserted into the first mounting hole 61 and the second mounting hole.

[0055] Specifically, the mounting plate 6 constitutes the mounting portion, and a plurality of first mounting holes 61 are arranged at intervals along the circumference of the rotating shaft hole. The connecting member 31 is provided with a second mounting hole, and the second mounting hole is arranged at intervals from the rotating shaft, and the distance from the first mounting hole 61 to the rotating shaft hole is equal to the distance from the second mounting hole to the rotating shaft, so that the second mounting hole can correspond to one of the first mounting holes 61. When the connecting member 31 is rotated to the set position, the pin is inserted into one of the first mounting holes 61 and the second mounting hole, thereby achieving the purpose of fixing the connecting member 31.

[0056] In one embodiment, the outer periphery of the track wheel 34 is provided with rubber lagging.

[0057] In this embodiment, the circumference of the track wheel 34 is provided with a rubber cover, which can avoid an axle counter on the track.

[0058] In this embodiment, winches are further provided at the front and rear ends of the vehicle body 1 .

[0059] In one embodiment, see Figure 3 The cleaning device includes a vacuum adsorption device 4, which includes a suction cup 41, a collection component and a vacuum pump connected in sequence. The suction cup 41 is arranged at the bottom of the vehicle body 1 and is arranged towards the ground. The vacuum pump and the collection component are arranged in the vehicle body 1. The vacuum pump is used to generate negative pressure, and the collection component is used to collect debris.

[0060] In this embodiment, the collection component is provided with a collection chamber and an air inlet and an air outlet connected to the collection chamber. The air inlet of the vacuum pump is connected to the air outlet, and the air inlet is connected to the suction cup 41. When in use, debris and garbage are sucked into the collection chamber through the suction cup 41 to complete the cleaning of the railway station.

[0061] In one embodiment, there are multiple suction cups 41, and the multiple suction cups 41 are arranged in an array.

[0062] In this embodiment, in order to improve the cleaning efficiency, four suction cups 41 are provided, and the four suction cups 41 are arranged in an array.

[0063] In this embodiment, two vacuum adsorption devices 4 are provided, and the two vacuum adsorption devices 4 are spaced apart from each other from the front to the back.

[0064] In order to better understand the present invention, the following Figures 1 to 7 The technical solution of the utility model is described in detail:

[0065] When cleaning is required on a flat ground, the connecting member 31 is rotated upward so that the track wheel 34 tilts upward, and the track wheel 2 contacts the ground. Then, the vacuum pump is started to clean the flat ground. When cleaning is required on a track, the connecting member 31 is rotated downward so that the track wheel 34 contacts the track downward, and the track wheel 2 is disengaged from the ground. The vacuum pump and the hub motor are started to drive on the track and clean the track.

[0066] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A railway yard cleaning robot, characterized in that: It includes: body; Track wheels are provided on the left and right sides of the vehicle body; Two track wheel assemblies are provided at the front and rear ends of the vehicle body, one end of the track wheel assembly is rotatably arranged along an axis pointing leftward and rightward upward, so that the other end of the track wheel assembly can be rotated downward to protrude from the track wheel in a traveling state and rotated upward to be higher than the track wheel in a avoiding state, so that in the traveling state, the track wheels of the track wheel assembly are used to abut against the track; as well as The cleaning device is arranged at the bottom of the vehicle body.

2. The railway yard cleaning robot according to claim 1, characterized in that: The track wheel set includes a connecting component and two track wheels. One end of the connecting component is rotatably mounted on the vehicle body, and the two track wheels are rotatably mounted on the left and right ends of the connecting component. A hub motor is provided in the track wheel.

3. The railway yard cleaning robot according to claim 2, characterized in that: The two track wheels are movably arranged on the connecting assembly in the left-right direction, so that the distance between the two track wheels is adjustable.

4. The railway yard cleaning robot according to claim 3, characterized in that: The connecting assembly includes a connecting piece, a guide sleeve and two connecting rods. One end of the connecting piece is rotatably mounted on the vehicle body. The guide sleeve is provided at the other end of the connecting piece and extends in the left and right directions. The two connecting rods are respectively slidably inserted into the guide sleeves from both ends of the guide sleeves. The track wheel is connected to one end of the connecting rod located outside the guide sleeves.

5. The railway yard cleaning robot according to claim 4, characterized in that: The guide sleeve is provided with a positioning hole, and the connecting rod is provided with a plurality of through holes spaced apart along its axial direction; The connecting assembly also includes a positioning pin, which is adapted to the positioning hole and the through hole. When the connecting rod slides to one of the through holes correspondingly connected to the positioning hole, the positioning pin is inserted into the positioning hole and the through hole to fix the connecting rod.

6. The railway yard cleaning robot according to claim 2, characterized in that: The railway yard cleaning robot further includes two driving mechanisms, which correspond one to one to the two connecting assemblies. The driving parts of the driving mechanisms are connected to the connecting assemblies to drive the connecting assemblies to rotate.

7. The railway yard cleaning robot according to claim 2, characterized in that: The vehicle body is provided with mounting plates at both the front and rear ends, the connecting assembly is rotatably mounted on the mounting plates, the mounting plates are provided with a plurality of first mounting holes spaced circumferentially along the rotation axis of the connecting assembly, and the connecting assembly is provided with a second mounting hole; The railway yard cleaning robot further includes a latch, so that when the connecting assembly is rotated to a set position, one of the first mounting holes corresponds to the second mounting hole, and the latch is inserted into the first mounting hole and the second mounting hole.

8. The railway yard cleaning robot according to claim 2, characterized in that: The outer periphery of the track wheel is provided with rubber.

9. The railway yard cleaning robot according to claim 1, characterized in that: The cleaning device includes a vacuum adsorption device, which includes a suction cup, a collection component and a vacuum pump connected in sequence. The suction cup is arranged at the bottom of the vehicle body and facing the ground. The vacuum pump and the collection component are arranged in the vehicle body. The vacuum pump is used to generate negative pressure, and the collection component is used to collect debris.

10. The railway yard cleaning robot according to claim 9, characterized in that: There are multiple suction cups, and the multiple suction cups are arranged in an array.

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