阅读说明：本技术 一种适用于边坡清筛作业的清筛机及边坡作业方法 (Screen scarifier suitable for slope screen scarfing operation and slope operation method ) 是由 刘飞香 张宝明 高华中 童普江 姜雷 豆玉龙 李焱明 杨凤坤 马源 杨延松 王玉 于 2020-05-09 设计创作，主要内容包括：本发明涉及一种适用于边坡清筛作业的清筛机及边坡作业方法,所述清筛机的车体包括作业车和动力车,所述动力车连接于作业车；所述作业车包括前司机室和作业车车架,以及挖掘装置、输送带系统、振动筛分装置、落砟斗、枕端犁、旋转抛带、驱动转向架；所述动力车包括后司机室、动力车车架、中间顶棚、动力间、侧犁、夯实装置、清扫装置。本发明所提供的铁路边坡清筛机工作效率高,功能齐全,操作灵活、方便,性能可靠等特点,采用该清筛机的边坡作业方法能够实现线路边坡的挖掘,清筛,回填,整形,夯实,清扫,通过枕端犁的作业可以改善道床的排水性能,辅助避障系统可以实现设备的自动避障功能。(The invention relates to a screen scarifier suitable for the screen scarifier of the slope and operation method of the slope, the car body of the said screen scarifier includes working car and power car, the said power car is connected to working car; the operation vehicle comprises a front cab, an operation vehicle frame, an excavating device, a conveying belt system, a vibration screening device, a ballast dropping hopper, a pillow end plough, a rotary throwing belt and a driving bogie; the power vehicle comprises a rear cab, a power vehicle frame, a middle ceiling, a power room, a side plough, a tamping device and a cleaning device. The railway side slope screen scarifier provided by the invention has the characteristics of high working efficiency, complete functions, flexible and convenient operation, reliable performance and the like, the side slope operation method of the screen scarifier can realize excavation, screen scarfing, backfilling, shaping, tamping and cleaning of a line side slope, the drainage performance of a track bed can be improved through the operation of a sleeper end plough, and the auxiliary obstacle avoidance system can realize the automatic obstacle avoidance function of equipment.)

1. A screen scarifier suitable for side slope screen scarfing operation comprises a screen scarifier body, wherein the screen scarifier body comprises an operation vehicle and a power vehicle, and the power vehicle is connected with the operation vehicle, and is characterized in that the operation vehicle comprises a front cab (1), an operation vehicle frame, an excavating device (5), a conveyor belt system, a vibrating screening device (9), a ballast dropping hopper (10), a pillow end plough (7), a rotary throwing belt (2) and a driving bogie (3); the power vehicle comprises a rear cab (14), a power vehicle frame, a middle ceiling, a power room (11), a side plough (12), a compaction device (13) and a cleaning device (15).

2. The screen scarifier suitable for the slope screening operation according to claim 1, wherein the screen scarifier body is further provided with a power transmission system, an electric control system, a hydraulic control system, a brake system, a pneumatic system and a traveling system.

3. The scarifier according to claim 1, wherein the power vehicle is connected to the working vehicle by a pin.

4. The scarifier according to claim 3, wherein the work vehicle is supported in tandem by two-axle bogies, the rear end of the power vehicle being supported by one two-axle bogie, and the front end being pivotally connected to the work vehicle.

5. The screen scarifier suitable for the slope screening operation according to claim 1, wherein the conveyor belt system comprises a rotary throwing belt (2), a dirty soil conveyor belt (4), a mixed ballast conveyor belt (6) and a backfill conveyor belt (8).

6. A screen scarifier for slope screening operations as claimed in claim 1, characterized in that said vibratory screening device comprises a vibratory screen (9).

7. The screen scarifier suitable for the side slope screen scarfing operation according to claim 1, characterized in that the operation vehicle is provided with a front driver cab (1), a rotary throwing belt (2), a driving bogie (3), a dirty soil conveying belt (4), an excavating device (5), a ballast mixing conveying belt (6), a sleeper end plow (7), a backfill conveying belt (8), a vibrating screen (9), a ballast dropping hopper (10), a power room (11), a side plow (12), a tamping device (13), a rear driver cab (14) and a cleaning device (15) according to the operation direction.

8. The screen scarifier suitable for the slope screening operation according to claim 7, characterized in that the front cab (1) and the rear cab (14) are respectively arranged at the front and rear sides of the whole vehicle.

9. The screen scarifier suitable for the slope screen scarfing operation of claim 1, characterized in that the screen scarifier body is provided with two sets of excavating devices (5), and the left and right sets of excavating devices (5) are arranged on two sides of the frame of the rear operation vehicle of the front cab (1) and are connected with the ballast mixing conveyor belt (6) through universal shafts.

10. A method of slope working using a scarifier adapted for slope scarfing operation according to any one of claims 1 to 9, the method comprising:

s1, driving to the operation road section through the quick walking system, releasing the safety device, starting the operation walking system, starting the operation devices in sequence and preparing to start operation;

s2, the left and right digging devices (5) set the digging width, the digging depth, the digging speed and the digging angle according to the operation requirement, and start the digging motor to start digging;

s3, stone ballasts enter the ballast mixing conveyor belt (6) along the guide groove of the excavating device (5), and the ballast mixing conveyor belt (6) rotates at a high speed to convey the ballast mixing into the vibrating screen (9) for screening operation; the screened useful stone ballast enters a backfill conveyer belt (8) through the left and right ballast dividing function of the ballast dropping hopper, and finally is backfilled to the side slope; the screened dirty soil enters a rotary throwing belt (2) through a dirty soil conveying belt (4) and is finally thrown to the two sides of a road or enters a material vehicle for continuous hanging operation;

s4, starting a sleeper end plough (7) to work, loosening stone ballasts below the end part of the sleeper and increasing the drainage performance of the track bed; the side plough (12) positioned on the power vehicle can operate simultaneously to shape stone ballast backfilled to the side slope, so that the stone ballast conforms to the specification; the tamping devices (13) can operate simultaneously, so that the compactness of the side slope ballast is increased, and the stability of the side slope ballast is enhanced; after the cleaning device (15) positioned at the rearmost part works, the stones on the sleepers and the fasteners are cleaned;

and S5, after the operation is finished, the vehicle is collected, each safety device is connected, and the vehicle drives away from the operation road section.

Technical Field

The invention belongs to the technical field of railway maintenance machinery design and manufacture, and particularly relates to a screen scarifier suitable for slope screen scarfing operation and a slope operation method.

Background

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a screen scarifier suitable for slope screen scarfing operation and a slope operation method, wherein the screen scarifier comprises the following steps: a sleeper end plough is additionally arranged on the basis of the traditional side slope screen scarifier and is used for breaking hardened railway ballast at the end part of a sleeper and improving the drainage performance of a railway bed; an auxiliary obstacle avoidance system is additionally arranged, so that the rotary throwing belt can automatically sense the approaching line pole, and the action of the whole vehicle or the rotary throwing belt can be automatically controlled to avoid the line pole; meanwhile, the whole vehicle is provided with a side plough, a tamping device and a cleaning device, and the backfilled slope ballast is shaped, tamped and cleaned; the whole vehicle has compact structure, reliable work and complete functions, can meet the requirements of a standard ballast bed after being operated independently, and has high engineering application value.

In order to achieve the above object, the present invention adopts the following technical solutions.

The invention firstly provides a screen scarifier suitable for the screen scarfing operation of a side slope, which comprises a screen scarifier body, wherein the screen scarifier body comprises an operation vehicle and a power vehicle, and the power vehicle is connected with the operation vehicle; the operation vehicle comprises a front cab, an operation vehicle frame, an excavating device, a conveying belt system, a vibration screening device, a ballast dropping hopper, a pillow end plough, a rotary throwing belt and a driving bogie; the power vehicle comprises a rear cab, a power vehicle frame, a middle ceiling, a power room, a side plough, a tamping device and a cleaning device.

Preferably, the whole screen cleaning machine body is also provided with a power transmission system, an electric control system, a hydraulic control system, a brake system, a pneumatic system and a traveling system.

In any one of the above technical solutions, preferably, the power vehicle is connected to the working vehicle by a pin.

In any of the above technical solutions, preferably, the working vehicle is supported by two-axle bogies in tandem, the rear end of the power vehicle is supported by one two-axle bogie, and the front end is lapped on the working vehicle through a pin shaft.

In any of the above technical solutions, preferably, the conveyor system includes a dirty soil conveyor belt, a ballast mixing conveyor belt, and a backfill conveyor belt.

In any of the above solutions, it is preferable that the vibrating screen device includes a vibrating screen.

In any of the above technical solutions, preferably, the working vehicle is provided with a front cab, a rotary throwing belt, a driving bogie, a dirty soil conveying belt, an excavating device, a mixed ballast conveying belt, a sleeper-end plow, a backfill conveying belt, a vibrating screen, a ballast dropping bucket, a power room, a side plow, a tamping device, a rear cab and a cleaning device according to the working direction.

In any of the above technical solutions, preferably, the front cab and the rear cab are respectively disposed on the front side and the rear side of the entire vehicle.

In any one of the above technical solutions, preferably, the screen scarifier body is provided with two sets of excavating devices, and the left and right sets of excavating devices are arranged on two sides of a frame of the rear operation vehicle in the front cab and are linked with the ballast mixing conveyor belt through a universal shaft.

In any of the above technical solutions, it is preferable that the pillow end plow has a telescopic structure.

In any of the above technical solutions, preferably, the pillow end plow is disposed in the middle of the frame of the working vehicle, and is located on the rear side of the digging device and the front side of the backfill conveyor belt.

In any of the above solutions, it is preferable that the end-pillow plow is integrally disposed on the excavating device. There are two alternative arrangements of the occipital plow.

In any of the above technical solutions, preferably, the integrated pillow end plow includes a first oil cylinder, a second oil cylinder, a moving pair, a plow hook, and a rotating pair, wherein the movement of the first oil cylinder controls the working depth of the plow hook, the movement of the second oil cylinder controls the distance between the working point of the plow hook and the center of the road, and the rotating pair controls the working angle of the plow hook.

In any one of the above technical solutions, preferably, the vibrating screen is disposed on an upper side of a rear portion of the frame of the working vehicle.

In any of the above technical solutions, preferably, the dirty soil conveying belt is arranged on the body of the cleaning and screening machine in a form that: the dirty soil conveyer belt extends from the lower part of the vibrating screen to the whole vehicle operation direction until the rotation throwing belt positioned above the front cab stops.

In any of the above technical solutions, preferably, the rotary throwing belt is disposed above the front cab.

In any of the above technical solutions, preferably, the rotary slinger is supported by a swivel, passes through a support frame of the front cab and is welded to a frame of the working vehicle, and the rotary slinger is horizontally arranged above the front cab.

In any of the above technical solutions, preferably, the periphery of the rotating throwing belt is provided with a plurality of sensors.

In any of the above technical solutions, preferably, the plurality of sensors are combined with the electrical control system to form an auxiliary obstacle avoidance system.

In any of the above technical solutions, it is preferable that the arrangement form of the backfill conveyor belt on the body of the cleaning and screening machine is as follows: the backfill conveyer belt is arranged below two sides of the frame of the operation vehicle along the operation direction from the ballast dropping hopper.

In any of the above technical solutions, preferably, the power room and the rear cab are disposed at an upper portion of the power vehicle frame; the front part of the lower part of the frame of the power vehicle is provided with a side plough, the back part of the side plough is provided with a tamping device, and the back part of the side plough is provided with a cleaning device.

In any of the above technical solutions, preferably, the screen scarifier body is further provided with a sliding plate, an upper universal joint fork and a lower universal joint fork.

In any of the above technical solutions, preferably, the lower universal joint fork forms a revolute pair with a sleeve of the ballast mixing conveyor belt through a shaft, the upper universal joint fork forms a revolute pair with a sliding plate through a shaft, and the sliding plate forms a sliding pair with a guide groove of the excavating device.

In any one of the above technical solutions, preferably, the other end of the ballast mixing conveyor belt is supported on a frame of the working vehicle through a rotating shaft, and the tail end of the ballast mixing conveyor belt is arranged above the vibrating screen.

In any of the above technical solutions, preferably, the screen scarifier body is further provided with an engine room.

In any of the above solutions, it is preferred that the side plough is arranged on the frame of the power vehicle below the engine compartment, and the tamping device is located next to the side plough.

In any of the above technical solutions, it is preferable that the cleaning device is disposed at the rearmost position of the entire vehicle, and includes two rolling brushes and a brush, and is provided with a third oil cylinder, a fourth oil cylinder and a guide device of the power device, the rolling of the rolling brushes is driven by a motor, and the angle of the rotating shaft of the rolling brushes is adjustable.

The invention also provides a slope operation method, which adopts the screen scarifier suitable for the slope screen scarfing operation, and comprises the following steps:

and S1, the running system and the power system are used for providing vehicle running and working power. The pneumatic braking system provides pneumatic operation power and braking power for the working device; driving to an operation section through the quick walking system, releasing the safety device, starting the operation walking system, starting each operation device in sequence, and preparing to start operation;

s2, the left and right digging devices set the digging width, the digging depth, the digging speed and the digging angle according to the operation requirement, and start the digging motor to start digging;

s3, the stone ballast enters a ballast mixing conveyor belt along the guide groove of the excavating device, and the ballast mixing conveyor belt rotates at a high speed to convey the ballast mixing into a vibrating screen for screening operation; the screened useful stone ballast enters a backfill conveyer belt through the left and right ballast dividing function of the ballast dropping hopper and finally backfills the side slope; the screened dirty soil enters a rotary throwing belt through a dirty soil conveying belt and is finally thrown to the two sides of a road or enters a material vehicle for continuous hanging operation;

s4, starting a sleeper end plough to loosen stone ballast below the end part of the sleeper and improve the drainage performance of the ballast bed; the side plough on the power vehicle can operate simultaneously to shape the stone ballast backfilled to the side slope, so that the stone ballast conforms to the specification; the tamping devices can operate simultaneously, so that the compactness of the side slope ballast is increased, and the stability of the side slope ballast is enhanced; after the cleaning device positioned at the rearmost part works, the stones on the sleepers and the fasteners are cleaned;

and S5, after the operation is finished, the vehicle is collected, each safety device is connected, and the vehicle drives away from the operation road section.

The technical scheme of the railway slope cleaning and screening machine provided by the invention comprises any combination of the parts, and simple change or combination of the parts is still within the protection scope of the invention.

Compared with the prior art, the screen scarifier suitable for the side slope screen scarfing operation has the characteristics of high working efficiency, complete functions, flexible and convenient operation, reliable performance and the like; by adopting the slope operation method of the screen scarifier, the line slope can be cleaned, backfilled, shaped, tamped and cleaned, the drainage performance of the ballast bed can be improved through the operation of the sleeper end plough, and the auxiliary obstacle avoidance system can realize the automatic obstacle avoidance function of the equipment. The technical scheme of the invention has the following beneficial effects:

1. the rotary throwing belt is horizontally arranged above the operation cab, the rotary throwing belt passes through the rotary support and the support frame of the front cab to be welded with the frame of the operation cab, and the rotary throwing belt and the cab are mutually nested, so that the structural strength is high, and the space is compact; the periphery of the rotary throwing belt is provided with sensors and mechanical devices for sensing the line poles on two sides of the railway, when the rotary throwing belt approaches the line poles, a signal is triggered, and the control unit controls the whole vehicle to brake or controls the rotary throwing belt to act so as to avoid the line poles. The sensors, the mechanical device and the electrical control system are combined to form an auxiliary obstacle avoidance system.

2. The conveying belt system has reasonable layout, compact structure and high-efficiency operation; the mixed ballast conveying belt is connected with the excavating device through a follow-up structure, and when the excavating device moves from the operation position to the operation position, the mixed ballast conveying belt can move along with the device, so that the stone ballast excavated by the excavating device can fall onto the mixed ballast conveying belt.

3. After the sleeper end plough is used for excavating the side slope, the hardened railway ballast at the bottom of the sleeper end is treated, the drainage performance of a railway bed is improved, and the overhaul period is prolonged; the sleeper end plough has two implementation schemes, wherein the sleeper end plough can utilize the motion of the digging device to form composite motion under the action of the oil cylinder, and compared with another independent sleeper end plough, the sleeper end plough has a small structure, has great significance for saving space and reducing the weight of the whole machine.

4. The side plough device is arranged on a power vehicle, the shaping operation is carried out on the side slope after the cleaning and backfilling operation is carried out on two sides between the engines, and the shape of the side slope of the ballast bed can meet the standard requirement under the condition of not using any other equipment.

5. After the side plough is arranged in to the tamping unit, before the cleaning device, through vibration tamping, the closely knit degree of multiplicable slope stone tiny fragments of stone, coal, etc. improves the stability of flip-chip.

6. A cleaning device is arranged at the tail part of the power vehicle; the device is provided with two rotary cleaning devices and a row brush cleaning device, and the angle of the rotary cleaning devices is adjustable; the ballast on the upper surface of the sleeper and the fastener can be cleaned through the operation of the cleaning device, and other devices or manual cleaning are not needed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a layout structure of a cleaning machine body of a preferred embodiment of the cleaning machine suitable for slope cleaning operation according to the invention;

FIG. 2 is a schematic view of the rotary throwing belt supporting and auxiliary obstacle avoidance structure of the embodiment shown in FIG. 1 of the cleaning machine suitable for the side slope cleaning operation according to the present invention;

fig. 3 is a schematic view of a follow-up structure of the ballast mixing belt of the embodiment shown in fig. 1 of the screen scarifier suitable for the slope screen scarfing operation according to the invention;

FIG. 4 is a schematic illustration of the integrated pillow end plow configuration of the embodiment of FIG. 1 of a scarifier adapted for slope scarfing operations in accordance with the present invention;

fig. 5 is a schematic view of the sweeping device of the embodiment shown in fig. 1 of the cleaning machine suitable for slope cleaning according to the invention.

Reference numerals: the device comprises a front driver cab 1, a rotary throwing belt 2, a driving bogie 3, a dirty soil conveying belt 4, a rotary support 1-1, a supporting frame 1-2, a sensor 1-3, an excavating device 5, a first oil cylinder 5-1, a second oil cylinder 5-2, a moving pair 5-3, a plough hook 5-4, a rotating pair 5-5, a mixed ballast conveying belt 6, a sliding plate 6-1, an upper universal joint fork 6-2, a lower universal joint fork 6-3, a sleeper end plough 7, a backfill conveying belt 8, a vibrating screen 9, a ballast bucket 10, an engine room 11, a side plough 12, a tamping device 13, a rear driver cab 14, a cleaning device 15, a rolling brush 15-1, a patting brush 15-2, a third oil cylinder (air cylinder) 15-3, a fourth oil cylinder (air cylinder) 15-4 and a guiding device 15-5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the problems of the railway screen scarifier in the prior art, the embodiment of the invention provides a screen scarifier suitable for slope screen scarfing operation and a slope operation method, wherein a sleeper end plough is additionally arranged on the basis of the traditional slope screen scarifier and is used for breaking hardened ballast at the end part of a sleeper and improving the drainage performance of a track bed; an auxiliary obstacle avoidance system is additionally arranged, so that the rotary throwing belt can automatically sense the approaching line pole, and the action of the whole vehicle or the rotary throwing belt can be automatically controlled to avoid the line pole; meanwhile, the whole vehicle is provided with a side plough, a tamping device and a cleaning device, and the backfilled slope ballast is shaped, tamped and cleaned; the whole vehicle has compact structure, reliable work and complete functions, can meet the requirements of a standard ballast bed after being operated independently, and has high engineering application value.

The screen scarifier suitable for the side slope screen scarfing operation provided by the embodiment mainly comprises a vehicle body, an excavating device, a conveyor belt system, a vibration screening device, a ballast dropping bucket, a sleeper-end plough, a side plough, a tamping device, a cleaning device and an auxiliary obstacle avoidance system. This kind of sieve cleaning machine suitable for side slope cleaning operation that this embodiment provided sets up the pillow end plough behind excavating gear, cuts broken operation, the water permeability of increase railway roadbed to the hardened and stereotyped railway ballast of side slope excavation back sleeper head lower part. And arranging a side plough, a tamping device and a cleaning device, and carrying out shaping, tamping and cleaning operations on the ballast cleaning backfilled to the side slope so as to enable the ballast cleaning to meet the requirements of the standard ballast bed. And an auxiliary obstacle avoidance system is additionally arranged on the rotary throwing belt and used for sensing the line rods on two sides and controlling the whole vehicle or the rotary throwing belt to move so as to avoid the line rods, thereby achieving the purposes of driving safely and protecting equipment.

This embodiment sieve cleaning machine, its sieve cleaning machine automobile body include operation car, power car, and the power car passes through round pin axle overlap joint and operation car. The operation vehicle comprises a front cab, an operation vehicle frame, an excavating device, a conveyor belt system, a vibration screening device, a ballast dropping hopper, a sleeper end plough and an auxiliary obstacle avoidance system. The power vehicle comprises a rear cab, a power vehicle frame, a middle ceiling, a power room, a side plough, a tamping device and a cleaning device. The screen scarifier also comprises a walking system, a power system and a pneumatic braking system. The running system and the power system are used for providing vehicle running and operation power. The pneumatic braking system provides pneumatic operation power and braking power for the working device. The end-pillow plow has two embodiments: one is an independent working device and has an independent working mode; a sleeper end plow integrated on a digging device, the action of which is a compound motion, comprises the action of the digging device and the action of the sleeper end plow relative to the digging device. The auxiliary obstacle avoidance system is characterized in that the sensors arranged on the periphery of the rotary throwing belt are used for sensing line poles on two sides of a railway, when the rotary throwing belt approaches the line poles, signals are triggered to brake or withdraw the rotary throwing belt, and the rotary throwing belt is prevented from impacting the line poles to damage equipment or cause accidents.

The structure, characteristics, implementation form of the cleaning machine of the present embodiment and the operation method of using the cleaning machine to implement the slope operation will be described below with reference to fig. 1 to 5.

The screen scarifier applicable to the side slope screen scarfing operation comprises a screen scarfing machine body, wherein the screen scarfing machine body comprises an operation vehicle and a power vehicle, and the power vehicle is connected with the operation vehicle; the operation vehicle comprises a front cab 1, an operation vehicle frame, an excavating device 5, a conveyor belt system, a vibration screening device, a ballast dropping hopper 10, a sleeper end plough 7, a rotary throwing belt 2 and a driving bogie 3; the power vehicle comprises a rear cab 14, a power vehicle frame, a middle ceiling, a power room 11, a side plough 12, a tamping device 13 and a cleaning device 15.

In the embodiment, the whole body of the screen scarifier is also provided with a power transmission system, an electrical control system, a hydraulic control system, a braking system, a pneumatic system and a traveling system. The running system and the power system are used for providing vehicle running and operation power. The pneumatic braking system provides pneumatic operation power and braking power for the working device. The power vehicle and the operation vehicle are connected through a connecting rod. Or the power vehicle is lapped on the operation vehicle through the pin shaft. The working vehicle is supported by two-axle bogies in tandem, the rear end of the power vehicle is supported by one two-axle bogie, and the front end of the power vehicle is lapped on the working vehicle through a pin roll. The conveyor belt system comprises a dirty soil conveyor belt 4, a mixed ballast conveyor belt 6 and a backfill conveyor belt 8. The vibrating screen device comprises a vibrating screen 9. And an auxiliary obstacle avoidance system is arranged on the rotary throwing belt 2. The overall arrangement form is as follows: a front cab 1, a rotary throwing belt 2, a driving bogie 3, a dirty soil conveying belt 4, an excavating device 5, a ballast mixing conveying belt 6, a sleeper end plow 7, a backfill conveying belt 8, a vibrating screen 9, a ballast dropping hopper 10, a power room 11, a side plow 12, a tamping device 13, a rear cab 14 and a cleaning device 15 are arranged on the working vehicle according to the working direction.

In the screen scarifier of the embodiment, the front cab 1 and the rear cab 14 are respectively arranged on the front side and the rear side of the whole vehicle. The screen scarifier body is provided with two sets of excavating devices 5, and the left and right sets of excavating devices 5 are arranged on two sides of the frame of the rear operation vehicle in the front cab 1 and are connected with the ballast mixing conveyor belt 6 through universal shafts. The pillow end plough 7 is of a telescopic sleeve type structure. The pillow end plough 7 is arranged in the middle of the frame of the working vehicle and is positioned at the rear side of the digging device 5 and the front side of the backfill conveying belt 8. Alternatively, the cap plow 7 is integrally provided on the excavating device 5. The integrated pillow end plough 7 comprises a first oil cylinder 5-1, a second oil cylinder 5-2, a moving pair 5-3, a plough hook 5-4 and a rotating pair 5-5, wherein the movement of the first oil cylinder 5-1 controls the operation depth of the plough hook 5-4, the movement of the second oil cylinder 5-2 controls the distance between the operation point of the plough hook 5-4 and the center of a road, and the rotating pair 5-5 controls the operation angle of the plough hook. The vibrating screen 9 is arranged on the upper side of the rear part of the frame of the working vehicle. The arrangement form of the dirty soil conveying belt 4 on the body of the screen scarifier is as follows: the dirty soil conveyer belt 4 extends from the lower part of the vibrating screen 9 to the whole vehicle operation direction until the rotary throwing belt 2 positioned above the front cab 1. The rotary throwing belt 2 is arranged above the front cab 1. The rotary throwing belt 2 penetrates through a supporting frame 1-2 of the front cab 1 through a rotary support 1-1 and is welded to a frame of the operation vehicle, and the rotary throwing belt 2 is horizontally arranged above the front cab 1. A plurality of sensors 1-3 are arranged around the rotary throwing belt 2. The sensors 1-3 are combined with an electric control system to form an auxiliary obstacle avoidance system. The arrangement form of the backfill conveying belt 8 on the body of the screen scarifier is as follows: and the backfill conveying belts 8 are arranged below the two sides of the frame of the operation vehicle along the operation direction from the ballast dropping hopper 10. The power room 11 and the rear cab 14 are arranged on the upper part of the power vehicle frame; the front part of the lower part of the frame of the power vehicle is provided with a side plough 12, the back part of the side plough 12 is provided with a tamping device 13, and the back part is provided with a cleaning device 15.

In the screen scarifier disclosed by the embodiment, the screen scarifier body is further provided with a sliding plate 6-1, an upper universal joint fork 6-2 and a lower universal joint fork 6-3. The lower universal joint fork 6-3 and a sleeve of the ballast mixing conveyor belt 6 form a revolute pair through a shaft, the upper universal joint fork 6-2 and the sliding plate 6-1 form a revolute pair through a shaft, and the sliding plate 6-1 and a guide groove of the excavating device 5 form a moving pair. The other end of the mixed ballast conveying belt 6 is supported on the frame of the operation vehicle through a rotating shaft, and the tail end of the mixed ballast conveying belt is arranged above the vibrating screen 9.

In the screen scarifier of the embodiment, the screen scarifier body is further provided with an engine room 11. The side plow 12 is disposed on the frame of the power vehicle below the engine compartment 11, and the tamper device 13 is located immediately adjacent to the side plow 12. The cleaning device 15 is arranged at the rearmost part of the whole vehicle and comprises two rolling brushes 15-1 and a clapper brush 15-2, and is provided with a power device, a third oil cylinder 15-3, a fourth oil cylinder 15-4 and a guide device 15-5, the rolling of the rolling brushes 15-1 is driven by a motor, and the angle of a rotating shaft of the rolling brushes 15-1 is adjustable.

The screen scarifier suitable for the slope screen scarfing operation shown in fig. 1 comprises an operation vehicle and a power vehicle, wherein the power vehicle is connected with the operation vehicle in an overlapping manner. A front cab 1 is arranged on the operation vehicle according to the operation direction; rotating the polishing belt 2; a bogie 3; a dirty soil conveyer belt 4; an excavating device 5; a mixed ballast conveyer belt 6; a pillow end plough 7; backfilling the conveying belt 8; a vibrating screen 9; a ballast dropping hopper 10; a power room 11; a side plow 12; a tamping device 13; a rear cab 14; and a cleaning device 15. The front cab 1 and the rear cab 14 are respectively arranged on the front and rear sides of the entire vehicle. The left and right sets of excavating devices 5 are arranged on two sides of a rear frame of the operation cab 2 and are connected with the ballast mixing conveyor belt 6 through a universal shaft. The sleeper end plough 7 is arranged in the middle of the operation frame and is positioned at the rear side of the digging device 5 and the front side of the backfill conveying belt 8. The vibrating screen 9 is arranged on the upper side of the rear part of the working frame. The dirty soil conveyer belt 4 extends from the lower part of the vibrating screen 9 to the whole vehicle operation direction until the rotary throwing belt 2 positioned above the operation cab. The rotary throwing belt 2 is arranged above the front cab 1. And the backfill conveyer belts 8 are arranged below the two sides of the operation frame along the operation direction from the ballast dropping hopper 10. A power compartment 12 and a rear cab 14 are provided on the upper portion of the vehicle frame. A side plough 12 is arranged at the front part of the lower part of a frame of the motor vehicle, a tamping device 13 is arranged behind the side plough 12, and a cleaning device 15 is arranged at the rear part. The whole vehicle is also provided with a power transmission system, an electric control system, a hydraulic control system, a braking system, a pneumatic system and a traveling system.

The screen scarifier of the embodiment is formed by connecting a power vehicle and an operation vehicle through a connecting rod, and can be detached. The working vehicle is supported by two-axle bogies in tandem, the rear end of the power vehicle is supported by one two-axle bogie, and the front end of the power vehicle is lapped on the working vehicle through a pin roll. The turning mechanism is characterized in that the turning radius of the whole vehicle is increased through the lap joint of the pin shafts, and the space and the cost are saved.

In the screen scarifier of the embodiment, a front cab 1 is arranged at the foremost end in the operation direction of the whole vehicle, as shown in fig. 2, a rotary throwing belt 2 penetrates through a support frame 1-2 of the front cab 1 through a rotary support 1-1 and is welded with a frame of the operation vehicle, and the rotary throwing belt 2 is horizontally arranged above the front cab 1 and can horizontally rotate when working. The rotary throwing belt 2 is horizontally arranged, so that the visual field of the cab driver 1 is not influenced; the rotary throwing belt 2 and the front cab 1 are nested with each other, so that the space is saved. The periphery of the rotary throwing belt 2 is provided with a plurality of sensors 1-3 for sensing line poles on two sides of a railway, when the rotary throwing belt 2 approaches the line poles, a signal is triggered to brake or control the action of the rotary throwing belt 2, and the rotary throwing belt 2 is prevented from impacting the line poles to damage equipment or cause accidents. The sensors 1-3 are combined with an electric control system to form an auxiliary obstacle avoidance system.

In the screen scarifier of the embodiment, the excavating device 5 is mounted in the middle of the frame of the operation vehicle and behind the front cab 1, and the working condition of the excavating device 5 can be clearly observed by the operation console of the front cab 1. The excavating device is characterized in that the excavating device 5 is connected with a vehicle body through a transverse excavating bracket guide column, the transverse overflow oil cylinder is used for controlling the left and right transverse movement of the excavating device 5, the tensioning oil cylinder is used for lifting the oil cylinder to control the excavating device to move up and down, the control of 6 degrees of freedom can be realized, and the excavating operation with different requirements can be conveniently realized. The left excavating device and the right excavating device are respectively driven by a low-speed large-torque hydraulic motor, and can work simultaneously or independently.

According to the screen scarifier of the embodiment, the ballast mixing conveyor belt 6 is connected with the excavating device 5 through the universal joint and chute follow-up device, as shown in fig. 3, the universal joint fork 6-3 forms a revolute pair with a sleeve of the ballast mixing conveyor belt 6 through a shaft, the universal joint fork 6-2 forms a revolute pair with the sliding plate 6-1 through a shaft, the sliding plate 6-1 forms a revolute pair with a guide groove of the excavating device 5, and when the excavating device 7 moves from the operation position to the operation position, the ballast mixing conveyor belt 6 can move along with the device, so that stone ballasts excavated by the excavating device 5 can fall onto the ballast mixing conveyor belt 6. The other end of the mixed ballast conveying belt 6 is supported on the frame through a rotating shaft, and the tail end of the mixed ballast conveying belt is arranged above the vibrating screen 9.

In the screen scarifier of the embodiment, the sleeper end plough device is arranged on two sides of a frame beam behind the excavating device and before a backfilling ballast dropping port. The method is mainly used for treating hardened railway ballast at the bottom of the sleeper end after the side slope is excavated, so that the drainage performance of a track bed is improved, and the overhaul period is prolonged. The operation control of the sleeper end plough can be completed on the control boxes at the two sides of the frame, the structure of the sleeper end plough adopts a telescopic sleeve type structure, and the extension of the sleeper end plough is controlled by a hydraulic oil cylinder.

Another embodiment of the ballast cleaning machine of this embodiment, the sleeper end plow is integrated on the excavating device 5, and the action thereof is a compound motion, including the action of the excavating device itself and the action of the sleeper end plow relative to the excavating device. Referring to fig. 4, the integrated pillow end plough comprises a first oil cylinder 5-1, a second oil cylinder 5-2, a moving pair 5-3, a plough hook 5-4, a rotating pair 5-5 and the like, wherein the movement of the first oil cylinder 5-1 controls the operation depth of the plough hook 5-4, the movement of the second oil cylinder 5-2 controls the distance between the operation point of the plough hook 5-4 and the center of a road, and the rotating pair 5-5 controls the operation angle of the plough hook. Compared with an independent sleeper end plough 7, the integrated excavating device with the sleeper end plough has the advantages of small structure and great significance for saving space and reducing the weight of the whole machine. The side plough is arranged on the frame of the power vehicle below the engine room, the tamping device is close to the side plough, the two devices are just placed between the two bogies, and the space below the frame is effectively utilized. The cleaning device is arranged at the end of the whole vehicle, as shown in fig. 5, and consists of two rolling brushes 15-1 and a clapper brush 15-2, and is provided with a power device, a third oil cylinder (air cylinder) 15-3, a fourth oil cylinder 15-4 and a guide device 15-5, which jointly play the role of a retractable cleaning device, the rolling of the rolling brush 15-1 is driven by a motor, and the angle of a rotating shaft of the rolling brush 15-1 is adjustable, so that the proper rolling brush angle can be adjusted.

The side slope operation is realized by adopting the screen scarifier, and the side slope operation method comprises the following steps:

s1, driving to the operation road section through the quick walking system, releasing the safety device, starting the operation walking system, starting the operation devices in sequence and preparing to start operation;

s2, the left and right excavating devices 5 sets the excavating width, excavating depth, excavating speed and excavating angle according to the operation requirement, and starts the excavating motor to start excavating;

s3, the stone ballast enters the ballast mixing conveyor belt 6 along the guide groove of the excavating device 5, and the ballast mixing conveyor belt 6 rotates at a high speed to convey the ballast mixing into the vibrating screen 9 for screening operation; the screened useful stone ballast enters a backfill conveyer belt 8 through the left and right ballast dividing function of the ballast dropping hopper and finally backfills the side slope; the screened dirty soil enters a rotary throwing belt 2 through a dirty soil conveying belt 4 and is finally thrown to the two sides of a road or enters a material vehicle for continuous hanging operation;

s4, starting the sleeper end plough 7 to work, loosening stone ballast below the end part of the sleeper and increasing the drainage performance of the track bed; the side plough 12 positioned on the power vehicle can operate simultaneously to shape stone ballast backfilled to the side slope, so that the stone ballast conforms to the specification; the tamping devices 13 can operate simultaneously, so that the compactness of the side slope ballast is increased, and the stability of the side slope ballast is enhanced; after the cleaning device 15 positioned at the rearmost part works, the stones on the sleepers and on the fasteners are cleaned;

and S5, after the operation is finished, the vehicle is collected, each safety device is connected, and the vehicle drives away from the operation road section.

This embodiment the screen scarifier suitable for side slope screen scarfing operation and adopt this screen scarifier to realize the operation method of side slope operation, this technical scheme's key protection point lies in:

1. the whole machine layout is characterized in that the whole machine is provided with an excavating device, a conveyor belt system, a screening device, a sleeper end plough, a side plough, a tamping device, a screening device and an auxiliary obstacle avoidance system, the operation of screening, backfilling, shaping, tamping and cleaning of a line side slope can be realized, the drainage performance of a ballast bed can be improved by the operation of the sleeper end plough, and the automatic obstacle avoidance function can be realized by the auxiliary obstacle avoidance system.

The whole vehicle is divided into two sections, the operation vehicle is supported by two-shaft bogies, the power vehicle is supported by one two-shaft bogie, and the power vehicle is lapped on the operation vehicle through a pin shaft. All power sources are arranged on the power vehicle, and all working devices and the traveling system of the whole vehicle are driven by the hydraulic pump. All parts of the whole vehicle are reasonably arranged on all parts of the frame, and are symmetrically arranged, so that the structure is compact and reasonable.

2. The rotary throwing belt and the cab are structurally supported and mutually nested, the rotary throwing belt is horizontally arranged above the operating cab, the rotary throwing belt penetrates through the rotary support and the support frame of the front cab to be welded with the frame of the operating vehicle, and the rotary throwing belt and the cab are mutually nested, so that the structural strength is high, and the space is compact.

3. Mix the connection mode of tiny fragments of stone, coal, etc. area and excavating gear, mix between tiny fragments of stone, coal, etc. conveyer belt and the excavating gear and be connected through following the structure, when the excavating gear moved to the operation position by the operation position, mix tiny fragments of stone, coal, etc. conveyer belt accessible this device of tiny fragments of stone, coal, etc. and follow the removal, guarantee that the tiny fragments of stone, coal, etc. that excavating gear excavated can fall on mixing tiny fragments of stone, coal, etc. conveyer.

4. The integrated end-pillow plough can utilize the movement of the digging device to form composite movement under the action of the oil cylinder, and compared with an independent end-pillow plough, the integrated end-pillow plough is small in structure and has great significance for saving space and reducing the weight of the whole machine.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.