CN203412008U - Wheel type hoeing machine - Google Patents

Abstract

The utility model provides a wheel type hoeing machine, and relates to the field of mining and engineering machinery. The wheel type hoeing machine comprises a vehicle chassis, a hoeing feeding mechanism, a conveying discharging mechanism, an electrical control system, a hydraulic system and a control mechanism. The wheel type hoeing machine adopts a novel structure design, an external power source or a diesel engine of the wheel type hoeing machine is used as power, and electrical, hydraulic and mechanical transmission modes are adopted to achieve continuous hoeing feeding, conveying and entrucking. The structure is compact and reasonable, the failure rate is low, maintenance is simple and convenient, moving is flexible, work is safe and reliable, potential safety hazards are eliminated, person casualty accidents can be effectively reduced, and the wheel type hoeing machine has the advantages of being capable of walking, stable in loading, flexible in operation, continuous and efficient and the like. The wheel type hoeing machine is adaptive to construction conditions of narrow roadways and concave pit grounds, and is mainly suitable for exploitation hoeing operation of coal mines, phosphate mines, iron mines, copper mines and gold mines and metalling collecting and entrucking of tunnel engineering of railways, highways, water conservancy and national defense, and also suitable for open-air scattered material entrucking operation.

Description

Wheeled drive hoeing machine

Technical field

The utility model relates to technical field of engineering machinery, specifically a kind of mining and wheeled drive hoeing machine of using of engineering construction of being applicable to.

Background technology

Existing wheeled drive hoeing machine, vehicle chassis mainly adopts that propons is fixed, Rear-axle suspension, the channel-section steel welding chassis of rear-axle steering, wheel drive walking structure, and complete machine relies on hydraulic braking, without service braking device; Electric drum driving after carrying shedding mechanism to adopt, not collapsible (or flexible) carriage structure, the tensioning of belt conveyor rigidity is without buffering; Excavate feed mechanism and adopt upper and lower beam type, the upper and lower hung type rotary structure in front side; Hydraulic system and operating mechanism thereof be not containing hydraulic buffering valve.The wheeled drive hoeing machine design of above structure types is unreasonable, component badly broken, and equipment failure rate is high, and machine life is short, and potential safety hazard is many, mainly has following defect:

1, because excavating when feed mechanism is worked, produce very large vertical direction active force, easily cause excavating slew gear gyroaxis bearing and become flexible and break.

2, hydraulic system and operating mechanism thereof are because lacking hydraulic buffering valve, and impact force is larger, when advancing in vehicle to run process, retreat, suddenly stopping operating, easily cause CD-ROM drive motor, forward and backward vehicle bridge to damage.

3,, because of without service braking device, there is potential safety hazard in vehicle in the process of walking.

4, adopt the carriage structure of not collapsible (or flexible), because machine shape size is larger, the transition inconvenience of constructing in narrow.

5, the tensioning of belt conveyor rigidity, without buffering, drives electric drum that vexed car burning damage accident easily occurs.

6, adopt rear-axle steering mechanism to be not easy to entrucking discharging contraposition.

7, adopt Rear-axle suspension chassis structure, vehicle roll easily occurs in vehicle to run and the hoeing course of work, have potential safety hazard.

8, existing vehicle bridge hitch vehicle bridge stress point, on axle center tooth incrustation, does not meet vehicle bridge instructions for use, easily causes vehicle bridge broken.

9, hollow part, existing channel-section steel welded type chassis size is less, is not easy to the layout of machinery and hydraulic components in chassis.

Summary of the invention

For overcoming the deficiencies in the prior art, goal of the invention of the present utility model is to provide a kind of wheeled drive hoeing machine, to reduce equipment failure rate, improves machine life and safety and reliability.

For achieving the above object, the utility model comprises vehicle chassis, excavates feed mechanism, carries shedding mechanism, electrical control system, hydraulic system and operating mechanism thereof, it is characterized in that:

Described vehicle chassis is mainly comprised of sole, propons, back axle, front overhang frame, engage a gear bar, electronic box, fuel tank, universal coupling, priority allocation valve, travel driving motor, hydraulic buffering valve, gearbox, return filter, radiator, gear pump, running motor, diesel engine, clutch, location-plate, U bolt, tire, spring protective beam; Propons is frame suspended structure, and propons left and right wheels can fluctuate, and is welded with the location-plate that prevents vehicle bridge circumferential deflection and axial float on propons and back axle; The rear and front end of front overhang frame is by the hinged suspension fine strain of millet that hangs on sole of bearing pin, and the left and right sides of front overhang frame is fixed and located by U bolt and propons location-plate; Between the steering linkage of propons and front overhang frame, steering cylinder is installed; Back axle is connected and fixed by location-plate and U bolt and sole rear portion; Propons, the equipped tire of back axle; Vehicle chassis adopts four-wheel drive; The rear portion of vehicle chassis frame installs spring protective beam additional, between diesel engine and travel driving motor, adopts clutch to connect.

Described excavation feed mechanism mainly by bucket, outreach extension bar, interior gusset piece, bucket cylinder, forearm, large arm, oil cylinder of small arm, big arm cylinder, revolving body, angling cylinder, portal frame, steering wheel, multiple directional control valve, department's control platform, brake pedal, master cylinder, brake piping, hydraulic drum control valve forms; Excavate feed mechanism and clamped and be fixed on carriage by portal frame both sides, portal frame is crossbeam and plate-side plate welding structure; The upper and lower part of revolving body is clipped on the crossbeam of portal frame; Large arm is housed on revolving body, large arm one end and revolving body are hinged, the other end and forearm one end are hinged; the forearm other end and bucket are hinged; between forearm and bucket through interior gusset piece by outreaching extension bar, bucket cylinder is hinged; hinge dress big arm cylinder between revolving body and large arm, hinge dress oil cylinder of small arm between large arm and forearm, revolving body both sides fill angling cylinder with portal frame both sides hinge; Department's control platform mounts in portal frame left side, and multiple directional control valve is installed on department's control platform top, the equipped brake gear being comprised of brake pedal, master cylinder, brake piping and hub brake in department's control platform bottom.

Described conveying shedding mechanism is mainly comprised of driven cylinder, the shovel mouth that gathers materials, striker plate, carriage, carriage hoist cylinder, elastic scraper device, driving hydraulic drum, flap wheel, collapsible adjusting bracket, riding wheel apparatus, conveyer belt, folding stand, the folding oil cylinder of carriage, belt elastic stretching device; The front portion of carriage is hinged by both sides hinge and sole, and the rear end of carriage is hinged by both sides carriage hoist cylinder and sole; The shovel mouthful that gathers materials is installed on carriage foremost; Carrying the front portion of shedding mechanism is driven cylinder, and rear portion, for driving hydraulic drum, drives hydraulic drum to adopt hydraulic pressure or electric drive; Carrying shedding mechanism can be foldable structure, folding conveyer structure is at the rear portion of carriage configuration folding stand and collapsible adjusting bracket, collapsible adjusting bracket is by the folding hydraulic oil cylinder driving of carriage, hinged by bearing pin between the folding oil cylinder of folding stand and collapsible adjusting bracket and carriage; Belt elastic stretching device is installed between carriage and folding stand; Elastic scraper device is placed in conveyer belt below, is arranged on the bottom of carriage.

Described electrical control system comprises major loop, control loop and lighting loop, mainly electric control box, circuit control panel, isolation reversing switch, fuse, control transformer, mechanical self-latching push switch, contactor, electric bell, illuminating lamp, press button, emergency stop switch, resistance-capacitance device, travel driving motor, electronic protector, wiring terminal, connecting conducting wire, consists of; Isolation reversing switch, fuse, control transformer, contactor, resistance-capacitance device, electronic protector are housed on circuit control panel; Electric control box is installed on carriage or vehicle chassis by electronic box support.

Between described electric control box and electronic box support, elastic rubber ring is set, electric control box is explosion-proof type electric control box, and illuminating lamp is Explosionproof light, and travel driving motor is explosion-proof motor; Press button, emergency stop switch are shifted in the guard shield of department's control platform.

Described hydraulic system and operating mechanism thereof are mainly comprised of fuel tank, priority allocation valve, hydraulic buffering valve, return filter, radiator, gear pump, running motor, bucket cylinder, oil cylinder of small arm, big arm cylinder, angling cylinder, six multiple directional control valves, simply connected reversal valve, hoist cylinder, folding oil cylinder, steering cylinder, hydraulic steering gear, conveying motor, air filter, content gauge, oil absorption filter, choke valve and fluid pressure line; Six multiple directional control valves, simply connected reversal valve are installed on department's control platform.

Described vehicle chassis also can adopt crawler type double motor to drive chassis.

Described folding conveyer structure can be also accordion conveyor structure, and accordion conveyor structure is at the rear portion of carriage configuration telescopic movable frame and adjusting bracket.

This utility model designs with brand new, integrated vehicle chassis, excavation feed mechanism, conveying shedding mechanism, electrical control system, hydraulic system and operating mechanism five major parts thereof are in one, adopting external power supply or carrying diesel engine is power, adopt electric power, hydraulic pressure and machine driving, to realize continuous excavation, take off material, conveying, entrucking.Compact conformation, rationally, failure rate is low, easy maintenance, flexibly mobile, safe and reliable, eliminated potential safety hazard, can effectively reduce personnel casualty accidents, there is features such as can walking voluntarily, load steadily, operate nimble, continuous high-efficient.Adapt to narrow, hole lowland surface construction condition.Mainly be applicable to the construction of tunnel medium stone material such as colliery, phosphorus ore, iron ore, copper mine, exploitation of gold deposit hoeing operation and railway, highway, water conservancy, national defence and gather entrucking, also can be used for outdoor fragmentary material car loading operation.

Accompanying drawing explanation

Fig. 1 is this utility model structure diagram.

Fig. 2 is the structure diagram of the vehicle chassis of Fig. 1.

Fig. 3 is the top view of Fig. 2.

Fig. 4 is the structure diagram of the excavation feed mechanism of Fig. 1.

Fig. 5 is the structure diagram of the conveying shedding mechanism of Fig. 1.

Fig. 6 is this utility model electrical control system sketch.

Fig. 7 is this utility model hydraulic system and operating mechanism sketch thereof.

The specific embodiment

As shown in Figure 1, this utility model becomes vehicle chassis 1, excavates feed mechanism 2, carries shedding mechanism 3, electrical control system 4, hydraulic system and operating mechanism 5 thereof.Using external power supply or carry diesel engine as power source drive motors, adopt electric power, hydraulic pressure and machine driving, with vehicle form, operating mechanism and walking mechanism are integrally combined, form can automatic moving hoeing mechanical, realize complete machine and walk, turn to, brake.Excavate feed mechanism and there is the functions such as revolution, excavation, hoeing material loading; Carry that shedding mechanism has shoveling, gathers materials, the function such as material feeding, conveying, discharging, lifting, collapsible (or flexible).

As shown in Figure 2 and Figure 3, vehicle chassis is mainly common or solid by sole 7, propons 8, back axle 9, front overhang frame 10, engage a gear bar 11, electronic box 12, fuel tank 13, universal coupling 14, priority allocation valve 15, travel driving motor 16, hydraulic buffering valve 17, gearbox 18, return filter 19, radiator 20, gear pump 21, running motor 22, diesel engine 23, clutch 24, location-plate 25, U bolt 26, tire 27(), spring protective beam 28 forms; Sole 7 is frame steel plate and hollow beam welded construction; Propons 8 is frame suspended structure, and propons left and right wheels can fluctuate, and to adapt to ground convex-concave, changes.On propons 8 and back axle 9, be welded with the location-plate 25 that prevents vehicle bridge circumferential deflection and axial float; The rear and front end of front overhang frame 10 is by the hinged suspension fine strain of millet that hangs on sole 7 of bearing pin, and the left and right sides of front overhang frame 10 is fixed and located by U bolt 26 and propons location-plate 25; 10 of the steering linkage of propons 8 and front overhang frames are installed steering cylinder 94; Back axle 9 is connected and fixed with sole 7 rear portions by location-plate 25 and U bolt 26; Adopt the chassis of propons suspended structure, efficiently solve easy vehicle roll, the rollover defect of occurring in vehicle to run and the hoeing course of work, due to propons carrying stress point sidesway, force-bearing situation improves, and effectively prevents the generation of the damaged accident of vehicle bridge and tooth bag thereof simultaneously; Propons 8, the equipped common or solid tyre 27 of back axle 9; Vehicle chassis 1 adopts four-wheel drive; The rear portion of vehicle chassis frame 7 installs spring protective beam 28 additional, and the impact in the time of can effectively slowing down haulage vehicle contraposition prevents drive hoeing machine and haulage vehicle collsion damage; Between diesel engine 23 and motor, connect and adopt clutch 24 to replace shaft couplings to connect, realize diesel engine and automatically connect zero load electricity and start, be conducive to improve working conditions, reduce labor intensity.Described vehicle chassis 1 also can adopt crawler type double motor to drive chassis.

If while having external power supply, switch on power, travel driving motor 16 work, driving gear pump 21 work simultaneously start Hydraulic Power Transmission System; Hydraulic Power Transmission System drives running motor 22 work, then drives forward and backward vehicle bridge tooth bag by transfer gear box 18 and universal coupling 14, and through machine driving, gearbox speed change, drives vehicle wheel rotation, has walking, turns to, the function such as brake.During without external power supply, start and carry diesel engine 23, clutch 24 rotates in conjunction with rear drive travel driving motor 16, and driving gear pump 21 work simultaneously, start Hydraulic Power Transmission System.

As shown in Figure 4, excavate feed mechanism mainly by bucket 31, outreach extension bar 32, interior gusset piece 33, bucket cylinder 34, forearm 35, large arm 36, oil cylinder of small arm 37, big arm cylinder 38, revolving body 39, angling cylinder 40, portal frame 41, steering wheel 42, multiple directional control valve 43, department's control platform 44, brake pedal 45, master cylinder 46, brake piping 47, hydraulic drum control valve 48 and form, excavating feed mechanism 2 is clamped and is fixed on carriage by portal frame 41 both sides, portal frame 41 is crossbeam and plate-side plate welding structure, between the upper and lower crossbeam on portal frame 41 tops, adopting steel pipe to connect reinforces, be used as the revolving bed of revolving body 39 simultaneously, portal frame 41 bottom hollows, are convenient to convey materials and pass through, the upper and lower part of revolving body 39 is clipped on the crossbeam of portal frame 41, slew gear adopts thrust bearing and sliding bearing duplex bearing form, upper and lower clamp-mounting type slew gear is rational in infrastructure, can effectively prevent from excavating gyroaxis bearing that construction causes loosening and break and slew gear damages, greatly improve the drive hoeing machine life-span, reduce maintenance of equipment, large arm 36 is housed on revolving body 39, large arm 36 one end and revolving body 39 are hinged, the other end and forearm 35 one end are hinged, forearm 35 other ends and bucket 34 are hinged, between forearm 35 and bucket 34 through interior gusset piece 33 by outreaching extension bar 32, bucket cylinder 34 is hinged, hinge dress big arm cylinder 38 between revolving body 39 and large arm 36, hinge dress oil cylinder of small arm 37 between large arm 36 and forearm 35, revolving body 39 both sides and portal frame 41 both sides hinge dress angling cylinders 40, handle angling cylinder 40, can drive revolving body 39 to drive excavation feed mechanism to realize the revolving bed center steering around portal frame 41 by gyroaxis, department's control platform 44 mounts in portal frame 41 left sides, multiple directional control valve 43 is installed on department's control platform 44 tops, the equipped brake gear being formed by brake pedal 45, master cylinder 46, brake piping 47 and hub brake in bottom of department's control platform 44, realize service brake, install brake gear additional, the brake of enforcement four-wheel, has solved existing Cinder Machine without the design defect of service brake, eliminates traffic safety hidden danger.

Excavate feed mechanism by the coordination of angling cylinder 40, big arm cylinder 38, oil cylinder of small arm 37, bucket cylinder 34, make bucket with certain track operation, realize revolution, excavation, hoeing, material loading function.

As shown in Figure 5, carry shedding mechanism 3 mainly by driven cylinder 50, the shovel mouth 51 that gathers materials, striker plate 52, carriage 53, carriage hoist cylinder 54, elastic scraper device 55, driving hydraulic drum 56, flap wheel 57, collapsible adjusting bracket 58, riding wheel apparatus 59, conveyer belt 60, folding stand 61, the folding oil cylinder 62 of carriage, belt elastic stretching device 63, to be formed; The front portion of carriage 53 is hinged by both sides hinge and sole, and it is hinged with sole that both sides carriage hoist cylinder 54 is passed through in the rear end of carriage 53, by driving hoist cylinder 54 to control, carries shedding mechanism rear portion to rise, land; The shovel mouth 51 that gathers materials is installed on carriage 53 foremost; Carrying the front portion of shedding mechanism is driven cylinder 50, and rear portion, for driving hydraulic drum 56, drives hydraulic drum 56 to adopt hydraulic pressure or electric drive, by driving hydraulic drum 56 built-in (or external) to carry motor (or built-in motor) to drive; Carrying shedding mechanism can be foldable structure, folding conveyer structure is at the rear portion of carriage 53 configuration folding stand 61 and collapsible adjusting bracket 58, collapsible adjusting bracket 58 is driven by the folding oil cylinder 62 of carriage, 62 of the folding oil cylinders of folding stand 61 and collapsible adjusting bracket 58 and carriage are hinged by bearing pin, folding conveyer structure can be also accordion conveyor structure, accordion conveyor structure is at the rear portion of carriage 53 configuration telescopic movable frame and adjusting bracket, adopt collapsible (or flexible) carriage, can shorten complete machine length, be convenient to transition in narrow; Adjustable shelf length can be according to the apolegamy of transportation wagon box, to adapt to hopper entrucking needs; Belt elastic stretching device 63 is installed between carriage 53 and folding stand 61; Elastic scraper device 55 is placed in conveyer belt 60 belows, be arranged on the bottom of carriage 53, by equipped belt elastic stretching device 63, elastic scraper device 55, the rigidity tensioning of conveyer belt 60 become to elastic tension, can reduce the wearing and tearing of conveyer belt 60, greatly improve the application life of conveyer belt 60.

Carry shedding mechanism to drive carriage 53 liftings by carriage hoist cylinder 54, by driving the conveying motor (or motor) of hydraulic drum 56 to drive, carry shedding mechanism work, realize shoveling, gather materials, the function such as material feeding, conveying, discharging, collapsible (or flexible), lifting.

As shown in Figure 6, electrical control system comprises major loop, control loop and lighting loop, mainly electric control box 75, circuit control panel 76, isolation reversing switch 77, fuse 78, control transformer 79, mechanical self-latching push switch 80, contactor 81, electric bell 82, illuminating lamp 83, press button 84, emergency stop switch 85, resistance-capacitance device 86, travel driving motor 16, electronic protector 88, wiring terminal, connecting conducting wire, consists of; Isolation reversing switch 77, fuse 78, control transformer 79, contactor 81, resistance-capacitance device 86, electronic protector 88 are housed on circuit control panel 76; Electric control box 75 is installed on carriage 53 or vehicle chassis frame 7 by electronic box support.Between described electric control box 75 and electronic box support, elastic rubber ring is set, can effectively slows down drive hoeing machine walking and construction vibrations, greatly reduce electrical equipment malfunction; Electric control box 75 is explosion-proof type electric control box, with the illuminating lamp 83 of protective cover, is flame-proof type mine lamp, and travel driving motor 16 is explosion-proof motor.Illuminating lamp 83 installs protective cover additional, and press button 84, emergency stop switch 85 are shifted in department control platform guard shield, effectively prevents from that rainwater from drenching with material to drop and smash switch and cause electric short circuit, open circuit fault.

This utility model main circuit voltage is 380/660V, control and lighting loop voltage are 36/24V, and when carrying shedding mechanism to adopt electric drum, electric control box 75 is two major loops, when carrying shedding mechanism to adopt hydraulic drum, 75 single major loops of need of electric control box.Electrical control system have control that travel driving motor, electrically driven (operated) head roll starts, stopped, rotating and overload, disconnected phase, short circuit, earth leakage search/lockout, decompression and overvoltage absorption defencive function.

Between this utility model electric control box 75 and electronic box support, the damping of elastic rubber ring pad is set, effectively slows down drive hoeing machine walking and construction vibrations, greatly reduce electrical equipment malfunction.Illuminating lamp installs protective cover additional, opens, stops press button and be shifted in console guard shield, effectively prevents from that rainwater from drenching with material to drop and smash switch and cause electric short circuit, open circuit fault.

As shown in Figure 7, hydraulic system and operating mechanism thereof are mainly comprised of fuel tank 13, priority allocation valve 15, hydraulic buffering valve 17, return filter 19, radiator 20, gear pump 21, running motor 22, bucket cylinder 34, oil cylinder of small arm 37, big arm cylinder 38, angling cylinder 40, six multiple directional control valves 43, simply connected reversal valve 48, hoist cylinder 54, folding oil cylinder 62, steering cylinder 94, hydraulic steering gear 95, conveying motor 96, air filter 90, content gauge 91, oil absorption filter 92, choke valve 93 and fluid pressure line; Six multiple directional control valves 43, simply connected reversal valve 48 are installed on department's control platform.

This utility model is crossed the respective operations bar that steering dish is controlled hydraulic steering gear 95, handled six multiple directional control valves 43, simply connected reversal valve 48, control the action of hydraulic actuator oil cylinder of small arm 37, big arm cylinder 38, angling cylinder 40, running motor 22, hoist cylinder 54, bucket cylinder 34, steering cylinder 94, conveying motor 96 etc., and then realize vehicle chassis and walk, turn to, brake; Excavate mouthful shoveling of feed mechanism shovel and gather materials, excavate material loading, revolution, expansion, gathering; Carry shedding mechanism lifting, folding (stretching), conveying, discharging; The oil buffer 17 being installed in parallel at running motor 22 two ends, makes hydraulic system become flexible hydraulic system, to vehicle chassis advance and retreat, whereabouts, turn to and excavate material loading, carry the actions such as discharging have soft, cushion, reduce impact function.Hydraulic Elements adopt conical surface seal to connect with pipeline, effectively prevent hydraulic system leakage.

This utility model operating procedure:

1, starting is prepared: connect three phase mains, and the isolation reversing switch 77 that closes, electric control box 75 control transformer 79 work, control line rood electricity, power supply indicator is bright, complete machine place holding state.

2, complete machine starts: press the green button switch 84, and contactor 81 adhesives of travel driving motor 16 circuit, main circuit is connected, and starts vehicle to run drive motors 16.Travel driving motor 16 running driven gear pump 21 pump oil, hydraulic oil pumps through oil absorption filter 93, gear pump 21, through priority allocation valve 15 to hydraulic steering gear 95 and (or) running motor 22 and (or) six multiple directional control valves 43, handle the corresponding control stick of six multiple directional control valves 43, drive executive component running motor 22, oil buffer 17, each operating cylinder, carry motor 96 work, oil return is flowed back to fuel tank through return filter 19, radiator 20.

3, walk and turn to: promoting forward or backward six multiple directional control valve 43 walking valve block control cranks, walking valve block just (or) oppositely connect, hydraulic oil drive running motor 22 just (or) reversion, by machine driven systems such as gearboxes, drive forward and backward bridge vehicle wheel rotation, realize complete machine traveling forward and back; While walking valve block control crank place interposition, walking valve block place cut-off state, vehicle stop.Steering dish, hydraulic oil preferentially enters hydraulic steering gear 95 through priority allocation valve 15, drives steering cylinder 94 actions, controls Vehicular turn.

4, lifting and shoveling: promote forward or backward six multiple directional control valve 43 conveying mechanism descending valve plate control cranks, conveying mechanism descending valve plate just (or) oppositely connect, hydraulic oil drives hoist cylinder 54 actions, realizes conveying mechanism lifting.When hoist cylinder 54 stretches out, raise at conveying mechanism rear portion, and shovel mouthful falls, and is convenient to shoveling and entrucking; Hoist cylinder 54 all stretches out, and lift to the highest at conveying mechanism rear portion, and shovel mouthful lands, and front-wheel is liftoff simultaneously lifts; When hoist cylinder 54 is retracted, conveying mechanism rear portion falls, and shovel mouth is raised and is convenient to vehicle to run.

5, carry entrucking: discharging control button is carried in starting, the motor of the driving hydraulic drum 56 that starter motor drives, carries shedding mechanism work, starts conveying, discharging and entrucking.Carrying discharging starting button is three push switch, comprises starting, reversion, position of rest; When carrying shedding mechanism configuration hydraulic drum, it is the control stick that promotes forward or backward to carry motor control valve 43, carry motor 96 runnings, drive hydraulic drum 56 to drive the shedding mechanism work of carrying, carry motor 96 control valves also to divide forward, oppositely connect and end three working positions.

6, excavate material loading: handle respectively four control sticks that six multiple directional control valve 43 big arm cylinders, oil cylinder of small arm, bucket cylinder, angling cylinder etc. are controlled valve block, handle respectively big arm cylinder, oil cylinder of small arm, bucket cylinder, angling cylinder action.The well large arm of hormany operating, forearm, bucket action, control bucket running orbit well, thereby complete revolution and excavate feeding process.The action of manipulation angling cylinder, promotes revolving body and rotates, and drives digging mechanism revolution.

7, carriage folds: handle the control valve control stick of folding oil cylinder, drive folding oil cylinder 62, complete carriage and fold and restore.

8, vehicle speed variation: gearbox 18 has high and low, empty three gears, handles engage a gear bar, conversion gearbox-gear and car speed.Front gear is low or first gear, and middle gear is neutral gear, and rear gear is top gear.High gear is for empty wagons walking, and low-grade for drive hoeing machine work, neutral gear is for trailer traction.

9, service brake: step on brake pedal 45, master cylinder 46 valve rods compress, to brake fluid pressurization, drives hub for vehicle wheel inside brake cylinder working, forces braking horseshoe to compress wheel hub and realizes service brake.

10, shut down: press red stop button 84 or suddenly stop knob 85, control circuit dead electricity, power supply indicator goes out, complete machine place stopped status, but electric control box control transformer still has electricity.Disjunction isolation reversing switch 77, pulls up three-phase power socket, cutting electromechanical source.

11, without electricity operation: during without external power source, start diesel engine 23 and drive travel driving motor 16 and gear pump 21 work.Now motor, as generator, provides power supply to complete machine.

12, electrical control system have control drive motors, electric drum electric motor starting, stop, rotating and overload, disconnected phase, short circuit, earth leakage search/lockout, decompression and overvoltage absorb defencive function.

Claims (8)

1. a wheeled drive hoeing machine, comprises vehicle chassis (1), excavates feed mechanism (2), carries shedding mechanism (3), electrical control system (4), hydraulic system and operating mechanism (5) thereof, it is characterized in that:

Described vehicle chassis (1) is mainly by sole (7), propons (8), back axle (9), front overhang frame (10), engage a gear bar (11), electronic box (12), fuel tank (13), universal coupling (14), priority allocation valve (15), travel driving motor (16), hydraulic buffering valve (17), gearbox (18), return filter (19), radiator (20), gear pump (21), running motor (22), diesel engine (23), clutch (24), location-plate (25), U bolt (26), tire (27), spring protective beam (28) forms, sole (7) is frame steel plate and hollow beam welded construction, propons (8) is frame suspended structure, and the left and right wheels of propons (8) can fluctuate, and is welded with the location-plate (25) that prevents vehicle bridge circumferential deflection and axial float on propons (8) and back axle (9), the rear and front end of front overhang frame (10) is by the hinged suspension fine strain of millet that hangs on sole (7) of bearing pin, and the left and right sides of front overhang frame (10) is fixed and located by U bolt (26) and propons location-plate (25), between the steering linkage of propons (8) and front overhang frame (10), steering cylinder (94) is installed, back axle (9) is connected and fixed with sole (7) rear portion by location-plate (25) and U bolt (26), propons (8), the equipped tire (27) of back axle (9), vehicle chassis (1) adopts four-wheel drive, the rear portion of vehicle chassis frame (7) installs spring protective beam (28) additional, between diesel engine (23) and travel driving motor (16), adopts clutch (24) to connect.

2. wheeled drive hoeing machine according to claim 1, it is characterized in that: described excavation feed mechanism (2) is mainly by bucket (31), outreach extension bar (32), interior gusset piece (33), bucket cylinder (34), forearm (35), large arm (36), oil cylinder of small arm (37), big arm cylinder (38), revolving body (39), angling cylinder (40), portal frame (41), steering wheel (42), multiple directional control valve (43), department's control platform (44), brake pedal (45), master cylinder (46), brake piping (47), hydraulic drum control valve (48) forms, excavate feed mechanism (2) and clamped and be fixed on carriage (53) above by portal frame (41) both sides, portal frame (41) is crossbeam and plate-side plate welding structure, the upper and lower part of revolving body (39) is clipped on the crossbeam of portal frame (41), large arm (36) is housed on revolving body (39), large arm (36) one end and revolving body (39) are hinged, the other end and forearm (35) one end is hinged, forearm (35) other end and bucket (31) are hinged, between forearm (35) and bucket (31) through interior gusset piece (33) by outreaching extension bar (32), bucket cylinder (34) is hinged, hinge dress big arm cylinder (38) between revolving body (39) and large arm (36), hinge dress oil cylinder of small arm (37) between large arm (36) and forearm (35), revolving body (39) both sides and portal frame (41) both sides hinge dress angling cylinder (40), department's control platform (44) mounts in portal frame (41) left side, multiple directional control valve (43) is installed on department's control platform (44) top, the equipped brake gear being comprised of brake pedal (45), master cylinder (46), brake piping (47) and hub brake in department's control platform (44) bottom.

3. wheeled drive hoeing machine according to claim 1, is characterized in that: described conveying shedding mechanism (3) is mainly comprised of driven cylinder (50), gather materials shovel mouthful (51), striker plate (52), carriage (53), carriage hoist cylinder (54), elastic scraper device (55), driving hydraulic drum (56), flap wheel (57), collapsible adjusting bracket (58), riding wheel apparatus (59), conveyer belt (60), folding stand (61), the folding oil cylinder (62) of carriage, belt elastic stretching device (63); The front portion of carriage (53) is hinged by both sides hinge and sole (7), and the rear end of carriage (53) is hinged by both sides carriage hoist cylinders (54) and sole (7); The shovel mouthful (51) that gathers materials is installed on carriage (53) foremost; Carrying the front portion of shedding mechanism (3) is driven cylinder (50), and rear portion, for driving hydraulic drum (56), drives hydraulic drum (56) to adopt hydraulic pressure or electric drive; Carrying shedding mechanism (3) can be foldable structure, folding conveyer structure is at the rear portion of carriage (53) configuration folding stand (61) and collapsible adjusting bracket (58), collapsible adjusting bracket (58) is driven by the folding oil cylinder (62) of carriage, hinged by bearing pin between the folding oil cylinder (62) of folding stand (61) and collapsible adjusting bracket (58) and carriage; Belt elastic stretching device (63) is installed between carriage (53) and folding stand (61); Elastic scraper device (55) is placed in conveyer belt (60) below, is arranged on the bottom of carriage (53).

4. wheeled drive hoeing machine according to claim 1, it is characterized in that: described electrical control system (4) comprises major loop, control loop and lighting loop, mainly by electric control box (75), circuit control panel (76), isolation reversing switch (77), fuse (78), control transformer (79), mechanical self-latching push switch (80), contactor (81), electric bell (82), illuminating lamp (83), press button (84), emergency stop switch (85), resistance-capacitance device (86), travel driving motor (16), electronic protector (88), wiring terminal, connecting conducting wire forms, isolation reversing switch (77), fuse (78), control transformer (79), contactor (81), resistance-capacitance device (86), electronic protector (88) are housed on circuit control panel (76), electric control box (75) is installed on carriage (53) or vehicle chassis (7) by electronic box support.

5. wheeled drive hoeing machine according to claim 1, it is characterized in that: between described electric control box (75) and electronic box support, elastic rubber ring is set, electric control box (75) is explosion-proof type electric control box, illuminating lamp (83) is Explosionproof light, and travel driving motor (16) is explosion-proof motor; Press button (84), emergency stop switch (85) are shifted in the guard shield of department's control platform (44).

6. wheeled drive hoeing machine according to claim 1, it is characterized in that: described hydraulic system and operating mechanism thereof (5) are mainly by fuel tank (13), priority allocation valve (15), hydraulic buffering valve (17), return filter (19), radiator (20), gear pump (21), running motor (22), bucket cylinder (34), oil cylinder of small arm (37), big arm cylinder (38), angling cylinder (40), six multiple directional control valves (43), simply connected reversal valve (48), hoist cylinder (54), folding oil cylinder (62), steering cylinder (94), hydraulic steering gear (95), carry motor (96), air filter (90), content gauge (91), oil absorption filter (92), choke valve (93) and fluid pressure line form, six multiple directional control valves (43), simply connected reversal valve (48) are installed on department's control platform.

7. wheeled drive hoeing machine according to claim 1, is characterized in that: described vehicle chassis (1) also can adopt crawler type double motor to drive chassis.

8. wheeled drive hoeing machine according to claim 1, is characterized in that: described folding conveyer structure can be also accordion conveyor structure, and accordion conveyor structure is at the rear portion of carriage (53) configuration telescopic movable frame and adjusting bracket.

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