CN210916920U - Dual-purpose machine for side slope renovation and soil shoulder ridging - Google Patents

Abstract

The utility model belongs to the technical field of road construction machinery, concretely relates to side slope renovation dirt shoulder hilling dual-purpose machine, it includes driving system, traveling system, side slope renovation system, defeated soil system, side slope hilling system, balanced system and control system, side slope renovation system includes shovel soil subsystem, compaction subsystem, adjustment subsystem, shovels the unnecessary soil of side slope to go through shovel soil subsystem, carries out the compaction to the side slope through compaction subsystem, makes road bed width and side slope bevel reach the design value; the adjusting subsystem can adjust the included angles between the soil shoveling frame and the compacting frame and the horizontal direction and the distance between the soil shoveling frame and the compacting frame and the side slope; the soil of the shoveling subsystem is conveyed to the road shoulder ridging system through the soil conveying system, and the road shoulder ridging system realizes continuous blind ridging through the cooperation of the extrusion frame, the movable template and the fixed template; the utility model discloses a road shoulder hilling and the mechanized construction of side slope renovation have rational in infrastructure, construction speed is fast, the effectual advantage of construction.

Description

Dual-purpose machine for side slope renovation and soil shoulder ridging

Technical Field

The utility model belongs to the technical field of road construction machinery, concretely relates to dual-purpose machine of side slope renovation dirt shoulder hilling.

Background

From 1996, the expressway in China enters a rapid development period, the total mileage of the expressway in China breaks through 14 kilometers by 2018, the expressway route in China reaches zero to the first world within thirty years, the expressway in China runs through the expressway development process in hundred years of developed countries within thirty years, the construction of the expressway shoulder is synchronously performed with the construction of the cement-stabilized macadam foundation layer after the roadbed construction is finished, or the expressway shoulder construction is performed after the construction of the cement-stabilized macadam foundation layer is finished, which is the later period of the engineering, the earthwork engineering is already finished, the soil source searching is very difficult, the expressway roadbed construction is often superfilled, namely the width of roadbed filled soil needs to be larger than the design width, the side slope needs to be trimmed for beauty, if the redundant soil can be used for the roadbed shoulder during trimming, the roadbed side slope trimming and the road shoulder filled soil are both artificially performed at present, therefore, the development of the dual-purpose machine for the slope renovation and the soil shoulder ridging has better economic benefits and social benefits, and is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a dual-purpose machine for side slope renovation and soil shoulder ridging, which has the advantages of reasonable structure, high construction speed and good construction effect.

The purpose of the utility model is realized like this: a dual-purpose machine for slope renovation and soil shoulder ridging comprises a power system, a traveling system, a slope renovation system, a soil conveying system, a road shoulder ridging system, a balancing system and a control system, wherein the power system is positioned on a rack and comprises an engine, a gearbox, a transfer case, a hydraulic motor and a hydraulic pump; the side slope renovation system is positioned at the side part of the side slope renovation soil shoulder hilling dual-purpose machine, the side slope renovation system comprises a workbench, a working arm, a circular gear, a flat gear, a main shaft, a shoveling subsystem, a compaction subsystem and an adjusting subsystem, the workbench is positioned on the machine frame, the circular gear is meshed with the flat gear, the flat gear is connected with the working arm, the main shaft is installed on the working arm through a main shaft bearing, and the main shaft is connected with the shoveling subsystem and the compaction subsystem.

The soil shoveling subsystem comprises a soil shoveling frame, a soil shoveling bucket, a soil guide plate, a soil shoveling shaft, a steel wire rope, a hinge cylinder and a locking device, the soil shoveling frame is connected to the main shaft through a soil shoveling bearing, one end of the steel wire rope is connected with the soil shoveling shaft, the other end of the steel wire rope is connected with the hinge cylinder, the soil shoveling bucket comprises a bottom plate, a back plate, a left side plate and a cover plate, and the soil shoveling bucket is dustpan-shaped.

The compaction subsystem is including the compaction frame, the compaction frame pass through compaction bearing connect in the main shaft, be provided with on the compaction frame by the flat groove, go up to erect the cross groove that the groove is constituteed with erecting the groove down, erect the inslot down and be provided with the flat gear spring of compaction, it is provided with the floating plate spring to go up to erect the inslot, be provided with compaction circle gear, compaction flat gear and floating plate in the flat groove, the compaction circle gear with the meshing of compaction flat gear, the compaction flat gear is connected with the compacting plate, the cross groove both ends are provided with diverter switch.

The adjustment subsystem comprises a vertical arm, the vertical arm is arranged on the working arm, an adjustment hinge barrel bearing frame is arranged on the vertical arm, an adjustment hinge barrel bearing is arranged on the adjustment hinge barrel bearing frame, the adjustment hinge barrel bearing is connected with an adjustment hinge barrel shaft, and the hinge barrel is connected with the adjustment hinge barrel shaft through a spline.

The road shoulder system of earthing up is including earthing up the arm, earthing up the arm fixed set up in the frame, be provided with the frame of earthing up on the arm of earthing up, the frame of earthing up includes the crossbeam, two be connected with between the crossbeam and erect the roof beam, every set up three upright beams perpendicularly on the crossbeam, be located three on the right the lower extreme of upright beam is connected with the frame pneumatic cylinder of earthing up respectively, the frame pneumatic cylinder fixedly connected with push pedal of earthing up.

The walking system adopts a crawler-type walking device and comprises guide wheels, supporting belt wheels, thrust wheels, driving wheels and a crawler.

The circular gear bearing is fixed on the circular gear rack, the circular gear bearing is connected with a circular gear shaft, and the circular gear is connected with the circular gear shaft through a spline.

The soil conveying system is a spiral conveyor, the spiral conveyor comprises a conveying shaft, blades and a conveying pipe, the conveying pipe is connected with the soil shoveling frame, and a soil inlet is formed in the conveying pipe.

The balance system comprises a balance arm, a balance beam and a balance block, wherein the balance arm is arranged on the rack and connected with the balance beam, the balance beam is provided with the balance block, and the balance block is in sliding connection with the balance beam.

The control system includes a control element.

The road shoulder ridging system comprises a fixed template, a movable template and an extrusion device, wherein the fixed template comprises a top plate and a vertical plate, the top plate is connected with the pushing plate, and the vertical plate is connected with the pushing plate; the movable template comprises a movable top plate and two movable vertical plates, the movable top plate is hinged with the top plate, and the movable vertical plates are hinged with the vertical plates; the extrusion device comprises an extrusion frame, a limiting block and a cam.

The locking device comprises a hinge barrel locking and separating device and a soil shoveling bucket locking and separating device, the hinge barrel locking and separating device comprises a hinge barrel control panel, hinge barrel disc teeth are arranged on the outer edge of the hinge barrel control panel, the hinge barrel control panel is rotatably connected with the hinge barrel, a hinge barrel sleeve is arranged on the hinge barrel bearing frame, a hinge barrel control pin and a hinge barrel control spring are arranged in the hinge barrel sleeve, and a hinge barrel pull switch penetrates through the hinge barrel sleeve and is connected with the hinge barrel control pin; the shovel fill locking partial discharge device is including pinion rack, pinion rack spring, be provided with the spout in the shovel frame, the spout lower part is provided with erects the groove, the pinion rack with the pinion rack spring all is located erect the inslot, the pinion rack middle part is provided with cockscomb structure tooth, the pinion rack head is provided with pinion rack head hole, the pinion rack afterbody is provided with pinion rack tail hole, pinion rack head hole connection has hinge section of thick bamboo cord-stay switch, pinion rack tail hole connection has shovel fill cord-stay switch, the pinion rack head is provided with pinion rack head dish tooth, pinion rack head dish tooth is connected with shovel fill control pin, shovel fill control pin and shovel fill control pin spring set up inside shovel fill sleeve.

The utility model has the advantages that: the traveling system, the side slope renovating system, the soil conveying system and the road shoulder ridging system of the utility model are powered by the engine during working, the side slope renovating system is positioned at the side part of the complete machine and comprises a soil shoveling subsystem, a compacting subsystem and an adjusting subsystem, a hinge shaft and a hinge cylinder are driven by a hydraulic pump to rotate, a steel wire rope is wound on the hinge cylinder, and the steel wire rope pulls the soil shoveling shaft and the soil shoveling bucket to move obliquely upwards along a chute, so that soil shoveling can be completed; the redundant soil of the side slope is shoveled by the soil shoveling subsystem, so that the width of the roadbed and the slope angle of the side slope are close to and slightly larger than the design values, and then the side slope is compacted by the working of the compaction subsystem, so that the width of the roadbed and the slope angle of the side slope reach the design values; the adjusting subsystem can be used for adjusting the included angles between the soil shoveling frame and the compacting frame and the horizontal direction, namely adjusting the slope angle for side slope renovation, and adjusting the distances among the soil shoveling frame, the compacting frame and the side slope; the soil of the shoveling subsystem is conveyed to the road shoulder ridging system through the soil conveying system, and the road shoulder ridging system realizes continuous blind ridging through the cooperation of the extrusion frame, the movable template and the fixed template; through the cooperation of all the systems, the one-step molding of the road shoulder hilling and the side slope renovation can be realized, the road shoulder hilling and the side slope renovation can also be independently carried out, and the slope angle of the side slope renovation and the section size of the road shoulder hilling can be adjusted; the utility model discloses a road shoulder hilling and the mechanized construction of side slope renovation, the steady quality has reduced construction cost, has rational in infrastructure, construction speed is fast, the effectual advantage of construction.

Drawings

Fig. 1 is a schematic structural view of the dual-purpose machine for side slope renovation and soil shoulder hilling of the utility model.

Fig. 2 is a schematic structural view of a shovel subsystem of the dual-purpose machine for side slope renovation and soil shoulder ridging.

Fig. 3 is the structural schematic diagram of the hinge cylinder locking and separating device of the dual-purpose machine for side slope renovation and soil shoulder hilling of the utility model.

Fig. 4 is the structural schematic diagram of the shovel bucket locking branch device of the dual-purpose machine for slope renovation and soil shoulder ridging.

Fig. 5 is a schematic structural diagram of a compaction subsystem of the dual-purpose machine for slope trimming and soil shoulder hilling of the present invention.

Fig. 6 is a schematic structural view of a hilling frame of the dual-purpose machine for slope trimming and soil shoulder hilling of the present invention.

Fig. 7 is a schematic structural diagram of a fixed mold plate, a movable mold plate and an extrusion device of the dual-purpose machine for slope trimming and soil shoulder hilling of the utility model.

In the figure: 1. the device comprises a balance beam 2, a balance block 3, an engine 4, a gearbox 5, a traveling system 6, a transfer case 7, a hydraulic motor 8, a hydraulic pump 9, a control system 10, a workbench 11, a circular gear 12, a flat gear 13, a working arm 14, a hinge barrel 15, a main shaft 16, a steel wire rope 17, a compaction frame 18, a compaction wheel 19, a compaction plate 20, a compaction wheel shaft 21, a steering switch 22, a hook 23, a fixed template 24, a cross beam 25, a vertical beam 26, a movable template 27, a extrusion frame 28, a soil conveying system 29, a soil inlet 30, a back plate 31, a soil shoveling shaft 32, a left side plate 33, a soil guide plate 34, a soil shoveling frame 35, a cam 36, a vertical beam 37, a balance arm 38, a ridging arm 39, a rack 40, a vertical arm 41, a locking device 42, a chute 43, a cover plate 44, the device comprises a bottom plate 46, a toothed plate spring 47, a hinge barrel control plate 48, a hinge barrel coil tooth 49, a hinge barrel control pin 50, a hinge barrel sleeve 51, a hinge barrel pull switch 52, a hinge barrel control pin spring 53, a shovel bucket control pin spring 54, a shovel bucket sleeve 55, a shovel bucket control pin 56, a tooth 57, a toothed plate tail hole 58, a toothed plate head coil tooth 59, a shovel bucket pull switch 60, a vertical groove 61, a toothed plate head hole 62, a compaction circular gear 63, an upper vertical groove 64, a floating plate 65, a flat groove 66, a floating plate spring 67, a compaction flat gear spring 68, a lower vertical groove 69, a compaction flat gear 70, a hilling frame hydraulic cylinder 71, a top push plate 72, a limiting block 73, a movable top plate 74, an extrusion frame 75, a movable vertical plate 76, a top plate 77 and a vertical plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1-7, the dual-purpose machine for slope trimming and soil shoulder hilling comprises a power system, a walking system 5, a slope trimming system, a soil conveying system 28, a road shoulder hilling system, a balancing system and a control system 9, wherein the power system is positioned on a frame 39, the power system comprises an engine 3, a gearbox 4, a transfer case 6, a hydraulic motor 7 and a hydraulic pump 8, and the walking system 5, the slope trimming system, the soil conveying system 28 and the road shoulder hilling system are powered by the engine 3 during working.

The side slope renovation system is positioned at the side part of the side slope renovation soil shoulder hilling dual-purpose machine, the side slope renovation system comprises a workbench 10, a working arm 13, a circular gear 11, a flat gear 12, a main shaft 15, a soil shoveling subsystem, a compacting subsystem and an adjusting subsystem, the workbench 10 is positioned on a rack 39, the circular gear 11 is meshed with the flat gear 12, the circular gear 11 is driven by a hydraulic pump 8 to rotate to drive the flat gear 12 to slide in the horizontal direction, so that the working arm 13 moves back and forth in the horizontal direction to complete side slope renovation work of a certain section, and the side slope renovation work is completed along with the forward movement of the whole machine; when the side slope refurbishing system works, the workbench 10 rotates to enable the working arm 13 to face the side slope, when the machine is stopped and does not work, the workbench 10 rotates to enable the working arm 13 to be consistent with the direction of the vehicle body, and the working arm 13 and the side slope refurbishing system are arranged on the vehicle frame in a folding mode; the flat gear 12 is connected with a working arm 13, a main shaft 15 is installed on the working arm 13 through a main shaft bearing, and the main shaft 15 is connected with a soil shoveling subsystem and a compacting subsystem.

The soil shoveling subsystem comprises a soil shoveling frame 34, a soil shoveling bucket, a soil guide plate 33, a soil shoveling shaft 31, a steel wire rope 16, a hinge cylinder 14 and a locking device 41, wherein the soil shoveling frame 34 is connected to the main shaft 15 through a soil shoveling bearing, a slope angle for side slope renovation can be adjusted through rotation of the soil shoveling frame 34, one end of the steel wire rope 16 is connected with the soil shoveling shaft 31, the other end of the steel wire rope 16 is connected with the hinge cylinder 14, the soil shoveling bucket comprises a bottom plate 45, a back plate 30, a left side plate 32, a right side plate and a cover plate 43, the soil shoveling bucket is dustpan-shaped, the back plate 30 is provided with the soil guide plate 33, the soil conveying amount is adjusted through adjustment of an included angle between the soil guide plate 33 and the left side plate 32, the left side plate 32 is connected with; the locking device 41 is composed of a hinge cylinder locking sub-device and a soil shoveling bucket locking sub-device, the hinge cylinder locking sub-device prevents the hinge cylinder from reversing when shoveling soil, and the soil shoveling bucket locking sub-device ensures that the bucket only rises and does not fall along the sliding groove.

The compaction subsystem comprises a compaction frame 17, the compaction frame 17 is connected to the main shaft 15 through a compaction bearing, and the included angle between the compaction frame 17 and the horizontal direction can be adjusted through rotation of the compaction frame 17 so as to enable the included angle to be consistent with the slope angle of the side slope; the compacting frame 17 is provided with a cross groove consisting of a flat groove 65, an upper vertical groove 63 and a lower vertical groove 68, the lower vertical groove 68 is internally provided with a compacting flat gear spring 67, the upper vertical groove 63 is internally provided with a floating plate spring 66, the flat groove 65 is internally provided with a compacting circular gear 62, a compacting flat gear 69 and a floating plate 64, the compacting circular gear 62 is meshed with the compacting flat gear 69, the compacting flat gear 69 is connected with a compacting plate 19, two ends of the cross groove are provided with steering switches 21, two ends of a compacting wheel shaft 20 are connected with the compacting circular gear 62, the compacting wheel 18 is a hollow wheel, the compacting wheel 18 is connected with the compacting wheel shaft 20 through splines, and the compacting wheel shaft 20 in the compacting wheel 18 is provided with an eccentric block.

The working principle of the compaction subsystem is as follows: the hydraulic pump 8 drives the compaction circular gear 62 to rotate to drive the compaction wheel shaft 20 and the compaction wheel 18 to rotate, and the compaction circular gear 62 rotates along the flat groove 65 to move obliquely upwards or obliquely downwards to compact an edge slope due to the meshing with the compaction flat gear 69; during compaction, the compaction wheel shaft 20 rotates to drive the eccentric block to rotate, a downward sine acting force is generated, the compaction wheel 18 moves forwards and vibrates with certain amplitude, the compaction flat gear 69 is driven to vibrate when the compaction wheel 18 vibrates, and the compaction flat gear 69 drives the compaction plate 19 to vibrate, so that the compaction plate 19 vertically compacts an edge slope; during compaction operation, the compaction wheel shaft 20 is positioned at the tail part of the cross groove at the initial position, the compaction button is started, the compaction wheel 18 compacts obliquely upwards along the cross groove, when the compaction wheel shaft 20 reaches the top part of the cross groove, the steering switch 21 is triggered, the hydraulic pump 8 changes the driving direction, and the compaction wheel 18 moves obliquely downwards; when the compacting wheel shaft 20 reaches the tail part of the cross groove, the steering switch 21 is triggered, the hydraulic pump 8 changes the driving direction, the compacting wheel 18 moves towards the upper oblique direction again, and the compaction is completed in a circulating mode.

The adjusting subsystem comprises a vertical arm 40, the vertical arm 40 is arranged on the working arm 13, an adjusting hinge cylinder bearing frame is arranged on the vertical arm 40, an adjusting hinge cylinder bearing is arranged on the adjusting hinge cylinder bearing frame, the adjusting hinge cylinder bearing is connected with an adjusting hinge cylinder shaft, a hinge cylinder 14 is connected to the adjusting hinge cylinder shaft through a spline, one end of a steel wire rope 16 is connected with the hinge cylinder 14, the other end of the steel wire rope is connected with a hook 22, and the hook 22 is fixed at the outer end parts of the soil shoveling frame 34 and the compacting frame 17; the hydraulic pump 8 can drive the adjusting hinge cylinder shaft and the hinge cylinder 14 to rotate forwards or reversely, the adjusting work forward rotation button is started to enable the hinge cylinder 14 to rotate forwards, the steel wire rope 16 is wound on the hinge cylinder 14 and pulls the hook 22 to move upwards obliquely, the adjusting work reverse rotation button is started to enable the hinge cylinder 14 to rotate reversely, the steel wire rope 16 is put down from the hinge cylinder 14, the hook 22 moves downwards obliquely, the soil shoveling frame 34 and the compacting frame 17 are enabled to rotate along the main shaft 15, the slope angle for side slope renovation is adjusted through rotation of the soil shoveling frame 34 and the compacting frame 17, and the distance between the soil shoveling frame 34 and the compacting frame 17 and a side slope is adjusted through adjusting the height of the working table 10; the adjusting subsystem can adjust the included angles between the shoveling frame 34 and the compacting frame 17 and the horizontal direction, namely, the slope angle for side slope renovation, and can adjust the distances between the shoveling frame 34 and the compacting frame 17 and the side slope.

The road shoulder ridging system comprises a ridging arm 38, the ridging arm 38 is fixedly arranged on a rack 39, a ridging frame is arranged on the ridging arm 38 and comprises cross beams 24, a vertical beam 25 is connected between the two cross beams 24, three vertical beams 36 are vertically arranged on each cross beam 24, the lower ends of the three vertical beams 36 on the right side are respectively connected with a ridging frame hydraulic cylinder 70, the ridging frame hydraulic cylinder 70 is fixedly connected with a top push plate 71, the road shoulder ridging system comprises a fixed template, a movable template and an extrusion frame 74, a limit block 72 is arranged on the movable template, a soil shoveling subsystem works to convey redundant soil of a side slope into the movable template of the road shoulder ridging system through a soil conveying system 28, a hydraulic pump 8 drives a cam shaft and a cam 35 to rotate, when the large-radius part of the cam 35 turns to the extrusion frame 74, the cam 35 can act on the extrusion frame 74 from the upper position and the two positions to enable the extrusion frame 74 to slide forwards along the movable, gradually reducing the opening of the movable template, and extruding soil from the upper direction and the two sides; when the large-radius part of the cam 35 reaches the extrusion frame 74, the extrusion frame 74 slides to reach the front limiting block 72, and the opening of the movable template coincides with the opening of the fixed template to finish the extrusion of the soil; the cam 35 continues to rotate, the large-radius part of the cam 35 rotates away from the extrusion frame 74, the cam 35 loses acting force on the extrusion frame 74, the soil conveying system 28 continues to convey soil into the movable template along with the forward movement of the whole machine, the fixed template is gradually opened under the action of soil resistance, the extrusion frame 74 slides backwards along the movable template, when the extrusion frame 74 slides to the rear limiting block 72, the opening of the movable template reaches 30 degrees at the maximum, and at the moment, the small-radius part of the cam 35 reaches the extrusion frame 74; the cam 35 continues to rotate, the large-radius part of the cam 35 turns to the extrusion frame 74 again, and the process is repeated, and the road shoulder hilling is completed as the whole machine moves forwards.

The utility model discloses a traveling system 5, side slope renovation system, defeated native system 28, road shoulder system of earthing up during operation provide power by engine 3, and side slope renovation system lies in the lateral part of complete machine, and it includes shovel soil subsystem, compaction subsystem, adjustment subsystem, and hydraulic pump drive hinge and hinge 14 rotate, twine wire rope 16 on hinge 14, and wire rope 16 stimulates shovel soil axle 31 and shovel soil fill along spout 42 to the oblique top motion, can accomplish the shovel soil; the redundant soil of the side slope is shoveled by the soil shoveling subsystem, so that the width of the roadbed and the slope angle of the side slope are close to and slightly larger than the design values, and then the side slope is compacted by the working of the compaction subsystem, so that the width of the roadbed and the slope angle of the side slope reach the design values; the adjustment subsystem can be used for adjusting the included angles between the shoveling frame 34 and the compacting frame 17 and the horizontal direction, namely adjusting the slope angle for side slope renovation, and the adjustment subsystem can be used for adjusting the distances between the shoveling frame 34 and the compacting frame 17 and the side slope; the soil of the shoveling subsystem is conveyed to the road shoulder ridging system through the soil conveying system 28, and the road shoulder ridging system realizes continuous blind ridging through the cooperation of the extrusion frame 74, the movable template and the fixed template; through the cooperation of all the systems, the one-step molding of the road shoulder hilling and the side slope renovation can be realized, the road shoulder hilling and the side slope renovation can also be independently carried out, and the slope angle of the side slope renovation and the section size of the road shoulder hilling can be adjusted; the utility model discloses a road shoulder hilling and the mechanized construction of side slope renovation, the steady quality has reduced construction cost, has rational in infrastructure, construction speed is fast, the effectual advantage of construction.

Example 2

As shown in fig. 1-7, a dual-purpose machine for slope trimming and soil shoulder hilling comprises a power system, a traveling system 5, a slope trimming system, a soil conveying system 28, a road shoulder hilling system, a balancing system and a control system 9, wherein the power system is positioned on a frame 39 and comprises an engine 3, a gearbox 4, a transfer case 6, a hydraulic motor 7 and a hydraulic pump 8, and the traveling system 5, the slope trimming system, the soil conveying system 28 and the road shoulder hilling system are powered by the engine 3 when working; the traveling system 5 adopts a crawler-type traveling device, and the traveling system 5 comprises a guide wheel, a supporting belt wheel, a thrust wheel, a driving wheel and a crawler.

The side slope renovating system is positioned at the side part of the dual-purpose machine for renovating the side slope and hilling the soil shoulder, and comprises a workbench 10, a working arm 13, a circular gear 11, a flat gear 12, a main shaft 15, a soil shoveling subsystem, a compacting subsystem and an adjusting subsystem, wherein the workbench 10 is positioned on a frame 39, the circular gear frame is fixed on the workbench 10, the circular gear bearing is fixed on a circular gear frame, the circular gear shaft is connected with the circular gear bearing, the circular gear 11 is connected with a circular gear shaft through a spline, the flat gear 12 is fixed on the frame 39 in a sleeved mode, the flat gear 12 is positioned in the flat gear sleeve, the flat gear 12 can horizontally slide in the flat gear sleeve, the flat gear 12 is connected with the working arm 13, the circular gear 11 is meshed with the flat gear 12, the circular gear 11 is driven by a hydraulic pump 8 to rotate to drive the flat gear 12 to slide in the horizontal direction, so that the working, finishing the slope renovation work along with the forward movement of the whole machine; when the side slope refurbishing system works, the workbench 10 rotates to enable the working arm 13 to face the side slope, when the machine is stopped and does not work, the workbench 10 rotates to enable the working arm 13 to be consistent with the direction of the vehicle body, and the working arm 13 and the side slope refurbishing system are arranged on the vehicle frame in a folding mode; the flat gear 12 is connected with a working arm 13, a main shaft 15 is installed on the working arm 13 through a main shaft bearing, and the main shaft 15 is connected with a soil shoveling subsystem and a compacting subsystem.

The soil shoveling subsystem comprises a soil shoveling frame 34, a soil shoveling bucket, a soil guiding plate 33, a soil shoveling shaft 31, a steel wire rope 16, a hinge cylinder 14 and a locking device 41, wherein the soil shoveling frame 34 is connected to the main shaft 15 through a soil shoveling bearing, and the slope angle for side slope renovation can be adjusted through the rotation of the soil shoveling frame 34; the soil shoveling bucket comprises a bottom plate 45, a back plate 30, a left side plate 32, a right side plate and a cover plate 43, the soil shoveling bucket is dustpan-shaped, a soil guide plate 33 is arranged on the back plate 30, the soil conveying amount is adjusted by adjusting the included angle between the soil guide plate 33 and the left side plate 32, the left side plate 32 is connected with a soil shoveling shaft 31, a sliding groove 42 is formed in a soil shoveling frame 34, the soil shoveling shaft 31 can slide in the sliding groove 42, one end of a steel wire rope 16 is connected with the soil shoveling shaft 31, and the other end of the steel wire rope 16 is connected with; the hinge barrel bearing frame is arranged on the working arm 13, the hinge barrel bearing is fixed on the hinge barrel bearing frame, the hinge barrel shaft is connected with the hinge barrel bearing, and the hinge barrel 14 is arranged on the hinge barrel shaft through a spline; the locking device 41 is composed of a hinge cylinder locking sub-device and a soil shoveling bucket locking sub-device, the hinge cylinder locking sub-device prevents the hinge cylinder from reversing when shoveling soil, and the soil shoveling bucket locking sub-device ensures that the bucket only rises and does not fall along the sliding groove.

The hinge tube locking split device comprises a hinge tube control panel 47, hinge tube disc teeth 48 are arranged on the outer edge of the hinge tube control panel 47, the hinge tube control panel 47 is rotatably connected with a hinge tube 14, a hinge tube sleeve 50 is arranged on a hinge tube bearing frame, a hinge tube control pin 49 and a hinge tube control spring 52 are arranged in the hinge tube sleeve 50, and a hinge tube stay wire switch 51 penetrates through the hinge tube sleeve 50 to be connected with the hinge tube control pin 49; the working principle of the hinge cylinder locking and separating device is as follows: pulling the hinge drum pull switch 51 to separate the hinge drum control pin 49 from the hinge drum disc tooth 48, and enabling the hinge drum control disc 47 and the hinge drum 14 to rotate freely; when the hinge drum pull switch 51 is released, the hinge drum control pin 49 is embedded with the hinge drum disc teeth 48 under the action of the elastic force of the spring, so that the hinge drum control disc 47 and the hinge drum 14 can only rotate forwards and cannot rotate backwards.

The shovel bucket locking and separating device comprises a toothed plate 44 and a toothed plate spring 46, a sliding groove 42 is formed in the shovel rack 34, a vertical groove 60 is formed in the lower portion of the sliding groove 42, the toothed plate 44 and the toothed plate spring 46 are located in the vertical groove 60, toothed plate 44 is provided with toothed teeth 56 in the middle, the head of the toothed plate 44 is provided with a toothed plate head hole 61, the tail of the toothed plate 44 is provided with a toothed plate tail hole 57, the toothed plate head hole 61 is connected with a hinge cylinder pull wire switch 51, the toothed plate tail hole 57 is connected with a shovel bucket pull wire switch 59, the head of the toothed plate 44 is provided with a toothed plate head disc tooth 58, the toothed plate head disc tooth 58 is connected with a shovel bucket control pin 55, the shovel bucket control pin 55 and the shovel bucket control pin spring 53 are arranged inside a shovel bucket sleeve 54, and the shovel bucket pull wire switch 59 penetrates through the shovel bucket sleeve 54 to be connected with the shovel.

The working principle of the shovel subsystem is as follows: when the soil shoveling operation starts, the soil shoveling shaft 31 is positioned at the lowest part of the sliding chute 42, namely the tail part of the toothed plate 44, the tail part bulge of the toothed plate 44 descends under the action of the soil shoveling shaft 31, the pull switch 59 of the soil shoveling bucket is tensioned by the toothed plate tail hole 57, the toothed plate head coil teeth 58 are separated from the soil shoveling bucket control pin 55, the toothed plate head part ascends to the highest position under the elastic force action of the toothed plate spring 46, at the moment, the hinge cylinder pull switch 51 is in a loose state, the hinge cylinder control pin 49 is embedded with the hinge cylinder coil teeth 48 under the elastic force action of the spring, and the hinge cylinder control plate 47 and the hinge cylinder 14 can only rotate forwards and cannot rotate backwards; the shovel work button is started to enable the hinge drum control disc 47 and the hinge drum 14 to rotate positively, the steel wire rope 16 is wound on the hinge drum 14 and pulls the shovel shaft 31 and the shovel hopper to move obliquely upwards along the sliding groove 42, the shovel shaft 31 gradually breaks away from the tail portion of the toothed plate 44 to be convex, the tail portion of the toothed plate rises under the elastic force action of the toothed plate spring 46, the shovel hopper pull switch 59 connected with the toothed plate tail hole 57 is loosened, the toothed plate head disc teeth 58 are embedded with the shovel hopper control pin 55, the head portion of the toothed plate can only descend at the highest position, and the head portion of the toothed plate cannot rise after descending. At this time, the hinge cylinder pull switch 51 is in a released state, so that the hinge cylinder control pin 49 is embedded with the hinge cylinder disc teeth 48 under the action of the spring elasticity, and the hinge cylinder control disc 47 and the hinge cylinder 14 can only rotate forwards and cannot rotate backwards. The steel wire rope 16 pulls the shovel shaft 31 and the shovel bucket to move obliquely upwards along the chute, and only can rise and cannot fall; when the shoveling shaft 31 reaches the uppermost part of the sliding groove 42, namely the head part of the toothed plate 44, the head part bulge of the toothed plate descends under the action of the shoveling shaft 31, when the head part of the toothed plate descends to the lowest position, the head teeth 58 of the toothed plate head are embedded with the shoveling bucket control pin 55, the head part of the toothed plate is locked, the teeth 56 completely retract into the vertical groove 60, and the shoveling shaft 31 can slide downwards; at this time, the hinge drum pull switch 51 connected with the toothed plate head hole 61 is tensioned, the hinge drum control pin 49 overcomes the elastic force of the spring to be separated from the hinge drum disc teeth 48, and the hinge drum control disc 47 and the hinge drum 14 can freely rotate; when the soil shoveling working button is released, the hinge cylinder 14 loses power, the soil shoveling shaft 31 and the soil shoveling bucket move obliquely downwards along the sliding chute 42 under the action of gravity, the steel wire rope 16 moves downwards, and the hinge cylinder control disc 47 and the hinge cylinder 14 rotate reversely; when the shoveling shaft 31 slides to the lowest part of the chute 42, namely the tail part of the toothed plate 44, one-time shoveling is completed; the working arm forward moving button is started, the working arm 13 moves forward to the next soil shoveling surface, the soil shoveling working button is started to shovel soil for the next time, the soil shoveling operation is completed in such a circulating mode, and the first step of trimming the side slope is realized by shoveling the redundant soil of the side slope.

The compaction subsystem comprises a compaction frame 17, the compaction frame 17 is connected to the main shaft 15 through a compaction bearing, and the included angle between the compaction frame 17 and the horizontal direction can be adjusted through rotation of the compaction frame 17 so as to enable the included angle to be consistent with the slope angle of the side slope; the compacting frame 17 is provided with a cross groove consisting of a flat groove 65, an upper vertical groove 63 and a lower vertical groove 68, the lower vertical groove 68 is internally provided with a compacting flat gear spring 67, the upper vertical groove 63 is internally provided with a floating plate spring 66, the flat groove 65 is internally provided with a compacting circular gear 62, a compacting flat gear 69 and a floating plate 64, the compacting circular gear 62 is meshed with the compacting flat gear 69, the compacting flat gear 69 is connected with a compacting plate 19, two ends of the cross groove are provided with steering switches 21, two ends of a compacting wheel shaft 20 are connected with the compacting circular gear 62, the compacting wheel 18 is a hollow wheel, the compacting wheel 18 is connected with the compacting wheel shaft 20 through splines, and the compacting wheel shaft 20 in the compacting wheel 18 is provided with an eccentric block.

The working principle of the compaction subsystem is as follows: the hydraulic pump 8 drives the compaction circular gear 62 to rotate to drive the compaction wheel shaft 20 and the compaction wheel 18 to rotate, and the compaction circular gear 62 rotates along the flat groove 65 to move obliquely upwards or obliquely downwards to compact an edge slope due to the meshing with the compaction flat gear 69; during compaction, the compaction wheel shaft 20 rotates to drive the eccentric block to rotate, a downward sine acting force is generated, the compaction wheel 18 moves forwards and vibrates with certain amplitude, the compaction flat gear 69 is driven to vibrate when the compaction wheel 18 vibrates, and the compaction flat gear 69 drives the compaction plate 19 to vibrate, so that the compaction plate 19 vertically compacts an edge slope; during compaction operation, the compaction wheel shaft 20 is positioned at the tail part of the cross groove at the initial position, the compaction button is started, the compaction wheel 18 compacts obliquely upwards along the cross groove, when the compaction wheel shaft 20 reaches the top part of the cross groove, the steering switch 21 is triggered, the hydraulic pump 8 changes the driving direction, and the compaction wheel 18 moves obliquely downwards; when the compacting wheel shaft 20 reaches the tail part of the cross groove, the steering switch 21 is triggered, the hydraulic pump 8 changes the driving direction, the compacting wheel 18 moves towards the upper oblique direction again, and the compaction is completed in a circulating mode.

The adjusting subsystem comprises a vertical arm 40, the vertical arm 40 is arranged on the working arm 13, an adjusting hinge cylinder bearing frame is arranged on the vertical arm 40, an adjusting hinge cylinder bearing is arranged on the adjusting hinge cylinder bearing frame, the adjusting hinge cylinder bearing is connected with an adjusting hinge cylinder shaft, a hinge cylinder 14 is connected to the adjusting hinge cylinder shaft through a spline, one end of a steel wire rope 16 is connected with the hinge cylinder 14, the other end of the steel wire rope is connected with a hook 22, the hook 22 is fixed at the outer end parts of the soil shoveling frame 34 and the compacting frame 17, the adjusting subsystem comprises an adjusting locking device, and the adjusting locking device and the hinge cylinder locking device are identical in structure; adjusting the working principle of the subsystem: the hydraulic pump 8 can drive the adjusting hinge cylinder shaft and the hinge cylinder 14 to rotate forwards or reversely, the adjusting work forward rotation button is started to enable the hinge cylinder 14 to rotate forwards, the steel wire rope 16 is wound on the hinge cylinder 14 and pulls the hook 22 to move upwards obliquely, the adjusting work reverse rotation button is started to enable the hinge cylinder 14 to rotate reversely, the steel wire rope 16 is put down from the hinge cylinder 14, the hook 22 moves downwards obliquely, the soil shoveling frame 34 and the compacting frame 17 are enabled to rotate along the main shaft 15, the slope angle for side slope renovation is adjusted through rotation of the soil shoveling frame 34 and the compacting frame 17, and the distance between the soil shoveling frame 34 and the compacting frame 17 and a side slope is adjusted through adjusting the height of the working table 10; the adjusting subsystem can adjust the included angles between the shoveling frame 34 and the compacting frame 17 and the horizontal direction, namely, the slope angle for side slope renovation, and can adjust the distances between the shoveling frame 34 and the compacting frame 17 and the side slope.

The soil conveying system 28 has the function of conveying soil from the soil shoveling subsystem to the road shoulder ridging system, the soil conveying system 28 adopts a spiral conveyor for conveying soil, the spiral conveyor comprises a conveying shaft, blades and a conveying pipe, the conveying pipe is connected with a soil shoveling frame 34, a soil inlet 29 is formed in the conveying pipe, soil in a soil shoveling hopper enters the soil inlet 29 under the action of a soil guide plate 33 and is conveyed to the road shoulder ridging system, and if the conveyed soil shoveling system is incomplete, the soil can be directly conveyed to a dump truck for transportation.

The road shoulder ridging system comprises a ridging arm 38, the ridging arm 38 is fixedly arranged on a rack 39, a ridging frame is arranged on the ridging arm 38 and comprises cross beams 24, a vertical beam 25 is connected between the two cross beams 24, three vertical beams 36 are vertically arranged on each cross beam 24, the lower ends of the three vertical beams 36 on the right are respectively connected with a ridging frame hydraulic cylinder 70, and the ridging frame hydraulic cylinder 70 is fixedly connected with a top push plate 71; curb hilling system is including the fixed die plate, movable mould board and extrusion device, the fixed die plate includes roof 76 and riser 77, roof 76 is connected with ejector plate 71, riser 77 is connected with ejector plate 71, movable mould board moves riser 75 including moving roof 73 and two, it is articulated with roof 76 to move roof 73, it is articulated with riser 77 to move riser 75, extrusion device is including extrusion frame 74, stopper 72, cam 35, extrusion frame 74 is U type frame, extrusion frame 74 is from overcoat live die plate, extrusion frame 74 can be followed before the movable mould board, the opening of back slip adjustment live die plate, set up stopper 72 around on the live die plate, stopper 72's effect is the opening range of control live die plate, stopper 72 position is adjustable, the stopper sets up the principle: when the extrusion frame 74 slides forwards along the movable template to reach the front limit block 72, the movable template is overlapped with the opening of the fixed template; when the extrusion frame slides backward along the movable mold plate from the front limit block 72, the opening of the movable mold plate is gradually opened, and when the extrusion frame 74 reaches the rear limit block 72, the opening of the movable mold plate is 30 degrees (the included angle between the movable vertical plate and the vertical plate is 150 degrees, and the included angle between the movable top plate and the top plate is also 150 degrees).

The working principle of the road shoulder ridging system is as follows: the soil shoveling subsystem works to convey redundant soil of the side slope into a movable template of the road shoulder hilling system through the soil conveying system 28, the hydraulic pump 8 drives the cam shaft and the cam 35 to rotate, when the large-radius part of the cam 35 turns to the extrusion frame 74, the cam 35 rotates to act on the extrusion frame 74 from the upper position and the two sides, so that the extrusion frame 74 slides forwards along the movable template, and the opening of the movable template is gradually reduced to extrude the soil from the upper direction and the two sides; when the large-radius part of the cam 35 reaches the extrusion frame 74, the extrusion frame 74 slides to reach the front limiting block 72, and the opening of the movable template coincides with the opening of the fixed template to finish the extrusion of the soil; the cam 35 continues to rotate, the large-radius part of the cam 35 rotates away from the extrusion frame 74, the cam 35 loses acting force on the extrusion frame 74, the soil conveying system 28 continues to convey soil into the movable template along with the forward movement of the whole machine, the fixed template is gradually opened under the action of soil resistance, the extrusion frame 74 slides backwards along the movable template, when the extrusion frame 74 slides to the rear limiting block 72, the opening of the movable template reaches 30 degrees at the maximum, and at the moment, the small-radius part of the cam 35 reaches the extrusion frame 74; the cam 35 continues to rotate, the large-radius part of the cam 35 turns to the extrusion frame 74 again, and the process is repeated, and the road shoulder hilling is completed as the whole machine moves forwards.

The balance system comprises a balance arm 37, a balance beam 1 and balance blocks 2, wherein the balance arm 37 is arranged on a rack 39, the balance arm 37 is connected with the balance beam 1, the balance blocks 2 are arranged on the balance beam 1, the balance blocks 2 are in sliding connection with the balance beam 1, the balance capacity can be adjusted by increasing or decreasing the number of the balance blocks 2, the balance beam 1 is perpendicular to a vehicle body by rotating the balance arm 37, the beam end is grounded by rotating the balance beam 1, the position of the balance block 2 on the balance beam 1 is adjusted by stretching of a hydraulic cylinder, so that the whole machine is balanced, when the whole machine stops working, the balance arm 37 is rotated to enable the balance beam 1 to be consistent with the vehicle body, the beam end is placed on the rack 39 by rotating the balance beam 1, the balance blocks 2 are adjusted to be located at the beam end, and the balance system is used for preventing.

The control system 9 comprises control elements, control software and an operating switch, and can control the advancing speed of the whole machine, the slope angle for side slope renovation, the distance between the soil shoveling frame 34 or the compacting frame 17 and the side slope, the soil shoveling speed, the compacting speed, the road shoulder hilling speed and the like.

The utility model discloses a traveling system 5, side slope renovation system, defeated native system 28, road shoulder system of earthing up during operation provide power by engine 3, and side slope renovation system lies in the lateral part of complete machine, and it includes shovel soil subsystem, compaction subsystem, adjustment subsystem, and hydraulic pump drive hinge and hinge 14 rotate, twine wire rope 16 on hinge 14, and wire rope 16 stimulates shovel soil axle 31 and shovel soil fill along spout 42 to the oblique top motion, can accomplish the shovel soil; the redundant soil of the side slope is shoveled by the soil shoveling subsystem, so that the width of the roadbed and the slope angle of the side slope are close to and slightly larger than the design values, and then the side slope is compacted by the working of the compaction subsystem, so that the width of the roadbed and the slope angle of the side slope reach the design values; the adjustment subsystem can be used for adjusting the included angles between the shoveling frame 34 and the compacting frame 17 and the horizontal direction, namely adjusting the slope angle for side slope renovation, and the adjustment subsystem can be used for adjusting the distances between the shoveling frame 34 and the compacting frame 17 and the side slope; the soil of the shoveling subsystem is conveyed to the road shoulder ridging system through the soil conveying system 28, and the road shoulder ridging system realizes continuous blind ridging through the cooperation of the extrusion frame 74, the movable template and the fixed template; through the cooperation of all the systems, the one-step molding of the road shoulder hilling and the side slope renovation can be realized, the road shoulder hilling and the side slope renovation can also be independently carried out, and the slope angle of the side slope renovation and the section size of the road shoulder hilling can be adjusted; the utility model discloses a road shoulder hilling and the mechanized construction of side slope renovation, the steady quality has reduced construction cost, has rational in infrastructure, construction speed is fast, the effectual advantage of construction.

Claims (8)

1. The utility model provides a side slope renovation dirt shoulder dual-purpose machine of earthing up, it includes driving system, traveling system (5), side slope renovation system, defeated soil system (28), shoulder earthing up system, balanced system and control system (9), its characterized in that: the power system is positioned on the frame (39) and comprises an engine (3), a gearbox (4), a transfer case (6), a hydraulic motor (7) and a hydraulic pump (8); the side slope renovation system is positioned at the side part of the dual-purpose machine for renovating the side slope and hilling the soil shoulder, the side slope renovation system comprises a workbench (10), a working arm (13), a circular gear (11), a flat gear (12), a main shaft (15), a soil shoveling subsystem, a compacting subsystem and an adjusting subsystem, the workbench (10) is positioned on the rack (39), the circular gear (11) is meshed with the flat gear (12), the flat gear (12) is connected with the working arm (13), the main shaft (15) is installed on the working arm (13) through a main shaft bearing, and the main shaft (15) is connected with the soil shoveling subsystem and the compacting subsystem;

the soil shoveling subsystem comprises a soil shoveling frame (34), a soil shoveling bucket, a soil guide plate (33), a soil shoveling shaft (31), a steel wire rope (16), a hinge cylinder (14) and a locking device (41), the soil shoveling frame (34) is connected to the main shaft (15) through a soil shoveling bearing, one end of the steel wire rope (16) is connected with the soil shoveling shaft (31), the other end of the steel wire rope (16) is connected with the hinge cylinder (14), the soil shoveling bucket comprises a bottom plate (45), a back plate (30), a left side plate (32) and a cover plate (43), and the soil shoveling bucket is dustpan-shaped;

the compaction subsystem comprises a compaction frame (17), the compaction frame (17) is connected to the spindle (15) through a compaction bearing, a cross groove consisting of a flat groove (65), an upper vertical groove (63) and a lower vertical groove (68) is formed in the compaction frame (17), a compaction flat gear spring (67) is arranged in the lower vertical groove (68), a floating plate spring (66) is arranged in the upper vertical groove (63), a compaction circular gear (62), a compaction flat gear (69) and a floating plate (64) are arranged in the flat groove (65), the compaction circular gear (62) is meshed with the compaction flat gear (69), the compaction flat gear (69) is connected with a compaction plate (19), and two ends of the cross groove are provided with steering switches (21);

the adjusting subsystem comprises a vertical arm (40), the vertical arm (40) is arranged on the working arm (13), an adjusting hinge cylinder bearing frame is arranged on the vertical arm (40), an adjusting hinge cylinder bearing is arranged on the adjusting hinge cylinder bearing frame, the adjusting hinge cylinder bearing is connected with an adjusting hinge cylinder shaft, and the hinge cylinder (14) is connected to the adjusting hinge cylinder shaft through a spline;

the road shoulder hilling system is including hilling arm (38), hilling arm (38) fixed set up in on frame (39), be provided with the frame of hilling on hilling arm (38), the frame of hilling includes crossbeam (24), two be connected with between crossbeam (24) and erect roof beam (25), every set up three upright beam (36) perpendicularly on crossbeam (24), be located the three on the right the lower extreme of upright beam (36) is connected with hilling frame pneumatic cylinder (70) respectively, the frame pneumatic cylinder (70) fixedly connected with push pedal (71) of hilling.

2. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: the walking system (5) adopts a crawler-type walking device, and the walking system (5) comprises a guide wheel, a supporting belt wheel, a thrust wheel, a driving wheel and a crawler.

3. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: a circular gear rack is arranged on the workbench (10), a circular gear bearing is fixed on the circular gear rack, the circular gear bearing is connected with a circular gear shaft, and the circular gear (11) is connected with the circular gear shaft through a spline.

4. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: the soil conveying system (28) is a spiral conveyor, the spiral conveyor comprises a conveying shaft, blades and a conveying pipe, the conveying pipe is connected with the soil shoveling frame (34), and a soil inlet (29) is formed in the conveying pipe.

5. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: the balance system comprises a balance arm (37), a balance beam (1) and a balance block (2), wherein the balance arm (37) is arranged on the rack (39), the balance arm (37) is connected with the balance beam (1), the balance block (2) is arranged on the balance beam (1), and the balance block (2) is in sliding connection with the balance beam (1).

6. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: the control system (9) comprises a control element.

7. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: the road shoulder hilling system comprises a fixed template, a movable template and an extrusion device, wherein the fixed template comprises a top plate (76) and a vertical plate (77), the top plate (76) is connected with the jacking plate (71), and the vertical plate (77) is connected with the jacking plate (71); the movable template comprises a movable top plate (73) and two movable vertical plates (75), the movable top plate (73) is hinged with the top plate (76), and the movable vertical plates (75) are hinged with the vertical plates (77); the extrusion device comprises an extrusion frame (74), a limiting block (72) and a cam (35).

8. The dual-purpose machine for slope trimming and soil shoulder hilling as claimed in claim 1, wherein: the locking device (41) comprises a hinge cylinder locking and separating device and a shovel bucket locking and separating device, the hinge cylinder locking and separating device comprises a hinge cylinder control disc (47), a hinge cylinder disc tooth (48) is arranged on the outer edge of the hinge cylinder control disc (47), the hinge cylinder control disc (47) is rotatably connected with the hinge cylinder (14), a hinge cylinder sleeve (50) is arranged on the hinge cylinder bearing frame, a hinge cylinder control pin (49) and a hinge cylinder control spring (52) are arranged in the hinge cylinder sleeve (50), and a hinge cylinder stay wire switch (51) penetrates through the hinge cylinder sleeve (50) to be connected with the hinge cylinder control pin (49); the shovel bucket locking and separating device comprises a toothed plate (44) and a toothed plate spring (46), a sliding chute (42) is arranged in the shovel rack (34), a vertical groove (60) is arranged at the lower part of the sliding chute (42), the toothed plate (44) and the toothed plate spring (46) are both located within the vertical slot (60), the middle part of the toothed plate (44) is provided with sawtooth-shaped teeth (56), the head part of the toothed plate (44) is provided with a toothed plate head hole (61), a toothed plate tail hole (57) is formed in the tail of the toothed plate (44), the toothed plate head hole (61) is connected with the hinge cylinder pull switch (51), the tail hole (57) of the toothed plate is connected with a shovel bucket pull switch (59), the head part of the toothed plate (44) is provided with a toothed plate head and a screw thread (58), the shovel blade head and disc teeth (58) are connected with a shovel bucket control pin (55), and the shovel bucket control pin (55) and a shovel bucket control pin spring (53) are arranged inside the shovel bucket sleeve (54).

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