CN113115631A - Double-screw propulsion type lotus root harvester - Google Patents
Double-screw propulsion type lotus root harvester Download PDFInfo
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- CN113115631A CN113115631A CN202110413636.9A CN202110413636A CN113115631A CN 113115631 A CN113115631 A CN 113115631A CN 202110413636 A CN202110413636 A CN 202110413636A CN 113115631 A CN113115631 A CN 113115631A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D44/00—Harvesting of underwater plants, e.g. harvesting of seaweed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D31/00—Other digging harvesters
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Abstract
The invention discloses a double-helix propelling type lotus root harvester which comprises a floating cabin, a double-helix driving mechanism, a hydraulic scouring mechanism and an operation and control power mechanism, wherein the double-helix traveling mechanism comprises a pair of helix driving mechanisms and helix rollers, the helix directions of helical blades of the pair of helix rollers are opposite, the pair of helix rollers are symmetrically distributed on two sides of the floating cabin, the pair of helix rollers are respectively connected with the floating cabin through the power mechanism, and the power mechanism drives the pair of helix rollers to travel; the hydraulic flushing mechanism comprises a water absorbing assembly, a water pipeline and a spraying assembly, the water absorbing assembly comprises a water pump, the water pump is installed in the floating cabin, the spraying assembly is installed at the front end or the rear end of the floating cabin, the water pump is connected with the spraying assembly through the water pipeline, and the power mechanism is controlled to control whether the water pump is in a water absorbing state or not. The harvester can automatically walk, has high automation degree, reduces labor intensity, improves the harvesting efficiency of lotus roots and reduces the harvesting cost of the lotus roots.
Description
Technical Field
The invention relates to the technical field of lotus root harvesting equipment, in particular to a double-helix propelling type lotus root harvester.
Background
Lotus root, as a popular aquatic vegetable, has the reputation of "Chinese specialties". The planting area of lotus roots is increased year by year, but the development of the lotus root industry is severely restricted due to the difficulty of harvesting the lotus roots. In order to promote the development of the lotus root industry in China, people develop various types of lotus root harvesting machines. Among them, the following are typical: the device comprises a traction boat type lotus root harvester, a small-sized floating drum type lotus root harvester and a handheld water gun high-pressure water jet flushing type harvester.
With the development of the lotus root industry, the problems and the defects of the lotus root harvesting machine are gradually revealed, which mainly show that: the harvesting efficiency is low, the self-walking is not possible, and the labor intensity is relatively large.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the double-helix propelling type lotus root harvester which can automatically walk, has higher automation degree, reduces the labor intensity, improves the harvesting efficiency of lotus roots and reduces the harvesting cost of lotus roots.
The technical scheme adopted for realizing the above purpose of the invention is as follows:
a double-screw propulsion type lotus root harvester comprises a floating cabin, a double-screw driving mechanism, a hydraulic flushing mechanism and an operation and control power mechanism;
the double-spiral travelling mechanism comprises a pair of spiral driving mechanisms and spiral rollers, the spiral directions of spiral blades of the pair of spiral rollers are opposite, the pair of spiral rollers are symmetrically distributed on the left side and the right side of the floating cabin, the pair of spiral rollers are respectively connected with the floating cabin through the spiral driving mechanisms, and the spiral driving mechanisms drive the pair of spiral rollers to travel;
the hydraulic flushing mechanism comprises an operation power mechanism, a water absorbing assembly, a water conveying pipeline and a spraying assembly, the water absorbing assembly comprises a water pump, the water pump is installed in the floating cabin, the spraying assembly is installed at the front end or the rear end of the floating cabin, the water pump is connected with the spraying assembly through the water conveying pipeline, and the operation power mechanism controls whether the water pump is in a water absorbing state or not.
The spiral driving mechanism comprises a front end face support, a rear end face support, spiral engines and spiral transmission shafts, the front end face support is fixed to the front end of the floating cabin, the rear end face support is fixed to the rear end of the floating cabin, the spiral engines and the spiral transmission shafts are in a pair, the spiral engines are symmetrically fixed to the left side and the right side of the front end face support, output shafts of the spiral engines are respectively connected with the front end faces of the spiral rollers, the spiral transmission shafts are respectively connected with the rear end faces of the spiral rollers, and the spiral transmission shafts are symmetrically installed on the left side and the right side of the rear end face support.
The middle part of the front end face support is fixed on the front end side wall of the floating cabin, the left side and the right side of the front end face support are distributed in a splayed shape, the middle part of the rear end face support is fixed on the rear end side wall of the floating cabin, the left side and the right side of the rear end face support are distributed in a splayed shape, and the screw engine is a hydraulic motor reducer.
The water absorbing assembly comprises a water delivery pipeline, two water delivery branch pipes and a three-way valve, wherein one end of the water delivery main pipe is connected with the water outlet of the water pump, the other end of the water delivery main pipe is connected with one end of the two water delivery main pipes through the three-way valve, the spraying assembly comprises a spraying main pipe and a plurality of nozzles, the plurality of nozzles are distributed at equal intervals along the length direction of the spraying main pipe, the plurality of nozzles are respectively connected with the spraying main pipe, and the spraying main pipe is positioned right in front of the front end of the floating cabin, the other ends of the two water delivery branch pipes are respectively connected with the main spraying pipe.
The control power mechanism comprises a water absorption power mechanism, the water absorption power mechanism comprises a water absorption engine, an engine support, a driving pulley, a driven pulley and a transmission belt, the water absorption engine is mounted on the bottom of the floating cabin through the engine support, the driving pulley is sleeved on an output shaft of the water absorption engine, the driven pulley is sleeved on a main shaft of the water pump, and the driving pulley is connected with the driven pulley through the transmission belt.
The control power mechanism further comprises a control assembly, the control assembly comprises a tension wheel, a tension wheel support, a tension spring, a connecting rod support, a first control connecting rod, a second control connecting rod, a control rod and a locking piece, the connecting rod support is fixed on the bottom of the floating water tank, the tension wheel support comprises a support cross rod and two clamping rods, two ends of the support cross rod are respectively connected with the connecting rod support through bearings, one ends of the two clamping rods are respectively connected with the centers of two end surfaces of the tension wheel, the other ends of the two clamping rods are respectively sleeved on the support cross rod, the lower end of the tension spring is fixed on the bottom of the floating water tank, the upper end of the tension spring is connected with one clamping rod, the upper end of the first control connecting rod is fixedly connected with the support cross rod, the lower end of the first control connecting rod is connected with the rear end of the second control connecting rod, the front end of the second control connecting, the locking piece is arranged on the side wall of the floating cabin and at the position corresponding to the operating lever.
The pulse scouring adjusting mechanism comprises a lifting adjusting mechanism and a left-right swinging mechanism;
the lifting adjusting mechanism is of a symmetrical structure and comprises a lifting hydraulic oil cylinder, a lifting arm, a lifting cross rod, a lifting support, a first lifting connecting rod, a second lifting connecting rod and a third lifting connecting rod, wherein the lifting support, the first lifting connecting rod, the second lifting connecting rod and the third lifting connecting rod are respectively provided with a pair of lifting supports, the cylinder body of the lifting hydraulic oil cylinder is hinged with the bottom of the floating cabin, the piston rod of the lifting hydraulic oil cylinder is upward, the pair of lifting supports are symmetrically arranged on the top of the front end face support, the two lifting supports are symmetrically sleeved on the two end parts of the lifting cross rod, the lifting cross rod is in clearance fit with the two lifting supports respectively, the piston rod of the lifting hydraulic oil cylinder is hinged with one end of the lifting arm, the other end of the lifting arm is fixedly connected with the lifting cross rod, one end of the pair of first lifting connecting rods is fixedly connected with the lifting cross rod respectively, the other, the lower ends of the pair of second lifting connecting rods are respectively connected with the middle parts of the pair of third lifting connecting rods, one ends of the pair of third lifting connecting rods are respectively and universally hinged with the outer side of the front end of the floating cabin, and the other ends of the pair of third lifting connecting rods are respectively and universally hinged with the left side and the right side of the main spraying pipe;
the left-right swinging mechanism comprises a swinging hydraulic oil cylinder, a swinging arm, a swinging support, a sliding sleeve and an auxiliary support, wherein a cylinder body of the swinging hydraulic oil cylinder is hinged with the outer side of the front end face support, a piston rod of the swinging hydraulic oil cylinder is hinged with one end of the swinging arm, the swinging support comprises a swinging supporting rod and a swinging fulcrum rod, one end of the swinging supporting rod is fixed on the outer side of the front end face support, the lower end of the swinging fulcrum rod is connected with the swinging supporting rod, the swinging fulcrum rod penetrates through the middle part of the swinging arm, the swinging fulcrum rod is in clearance fit with the swinging arm, the auxiliary support comprises an auxiliary supporting rod, a diagonal draw bar, a guide bar and a connecting seat, one end of the auxiliary supporting rod is universally hinged with the outer side of the front end face support, the diagonal draw bars are in a pair, the pair of diagonal draw bars are symmetrically, the lower ends of the diagonal draw bars and the guide bar are respectively connected with the main injection pipe, the guide bar is sleeved with the sliding sleeve, and the other end of the swing arm is connected with the sliding sleeve.
Still include the driving seat, the driving seat is located the floating cabin front portion, and on the driving seat was fixed in the floating cabin bottom, the locking piece was located the driving seat right front, and the locking piece is the L type, and the one end of locking piece is fixed in on the floating cabin front end lateral wall.
The hydraulic assembly comprises a hydraulic oil tank, a hydraulic multi-way reversing valve, a hydraulic pump, a hydraulic pipeline and a hydraulic control console, the hydraulic pump is fixed on the water-absorbing engine, the hydraulic pump is connected with the hydraulic pipeline, the hydraulic oil tank is fixed under the seat of the driving seat, the hydraulic control console is fixed on the top of the front end face support, the hydraulic control console is located right ahead of the driving seat, the hydraulic multi-way reversing valve is fixed on the hydraulic control console, the hydraulic oil tank is connected with the hydraulic multi-way reversing valve through the hydraulic pipeline, and the hydraulic multi-way reversing valve is respectively connected with the hydraulic motor reducer, the lifting hydraulic oil cylinder and the swing hydraulic oil cylinder through the hydraulic pipeline.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1. this harvester has set up double helix running gear and floating cabin, and double helix running gear promotes the floating cabin walking with its unique double helix propulsion mode, realizes that the complete machine is walked by oneself, and double helix running gear has certain drainage ability in addition, adds the drainage ability in floating cabin, and total drainage quality is greater than self weight, can be in deeper water level operation such as lake area, can adapt to various soft muddy wetlands moreover to can accomplish the field and shift, if not carrying out lotus root results operation, do as soft muddy wetland transport means, and operating range is wide.
2. This harvester has set up semi-automatization's water conservancy scouring mechanism, and easy operation is convenient, can control whether to carry out the water conservancy and erode the lotus root operation of gathering with the hand, through setting up the parameter of the engine that absorbs water, controls the intensity of erodeing that erodees of water conservancy, has set up a plurality of nozzles that set up side by side moreover, and the operation width is big, has increased substantially the efficiency of gathering of lotus root, has reduced operating personnel's intensity of labour by a wide margin.
3. This harvester has set up the pulsation and has erodeed adjustment mechanism, can carry out control from top to bottom to the nozzle, has improved the flexibility of nozzle operation, further improves the efficiency of gathering of lotus root.
Drawings
Fig. 1 is a perspective view of a double-screw propulsion type lotus root harvester.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is an assembly drawing of the double-helix traveling mechanism and the floating cabin.
Fig. 5 is a schematic structural diagram of the hydraulic flushing mechanism.
Fig. 6 is an assembly view of the control power mechanism and the water pump.
FIG. 7 is a schematic view of a driving maneuver.
FIG. 8 is an assembly view of the pulse flush adjustment mechanism and the spray assembly.
Wherein, 1-double helix running gear: 101-spiral drum, 102-spiral engine, 103-rear end face bracket, 104-front end face bracket, 105-spiral transmission shaft and 106-spiral bearing seat; 2-a hydraulic flushing mechanism: 201-a water inlet pipe, 202-a water pump, 203-a water inlet valve, 204-a water delivery main pipe, 205-a three-way valve, 206-a water delivery branch pipe, 207-a spray main pipe, 208-a nozzle, 209-a partition plate, 210-a water storage bin, 211-a water inlet filter screen and 212-a water pump bracket; 3-control a power mechanism: 301-driven pulley, 302-locking member, 303-driving belt, 304-connecting rod bracket, 305-tension wheel bracket, 306-tension spring, 307-tension wheel, 308-driving pulley, 309-water absorption engine, 310-engine bracket, 311-second operating connecting rod, 312-first operating connecting rod, 313-operating rod, 314-radiator, 315-storage battery, 316-fuel tank, 317-air filter, 318-instrument panel and 319-accelerator operating handle; 4-hydraulic assembly: 401-a hydraulic control platform, 402-a hydraulic multi-way reversing valve, 403-a hydraulic oil tank and 404-a hydraulic pump; 5-a pulsating flushing adjusting mechanism: 501-a third lifting connecting rod, 502-a second lifting connecting rod, 503-a first lifting connecting rod, 504-a lifting support, 505-a lifting arm, 506-a lifting hydraulic oil cylinder, 507-an auxiliary supporting rod, 508-a diagonal pulling rod, 509-a lifting cross rod, 510-a swinging hydraulic oil cylinder, 511-a guide rod, 512-a swinging supporting rod, 513-a swinging fulcrum rod, 514-a swinging arm and 515-a sliding sleeve; 6-floating cabin; 7-driving seat.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The structure of the double-helix propelling type lotus root harvester provided by the embodiment is shown in fig. 1, fig. 2 and fig. 3, and comprises a floating cabin 6, a driving seat 7, a double-helix driving mechanism, a hydraulic flushing mechanism and an operation and control power mechanism.
The floating cabin 6 is square, the driving seat 7 is positioned at the front part of the floating cabin, and the driving seat 7 is fixed at the bottom of the floating cabin. When an operator sits on the driving seat, the operator is just opposite to the front end side wall of the floating cabin.
The double-helix traveling mechanism comprises a power mechanism and a helical roller 101, wherein the helical rollers 101 are in a pair, and the helical directions of helical blades of the helical rollers 101 are opposite. The power mechanism comprises a front end face support 104, a rear end face support 103, a screw motor 102, a screw transmission shaft 105 and a screw bearing seat 106, the screw motor 102, the screw transmission shaft 105 and the screw bearing seat 106 are provided in a pair, and the screw motor 102 is a hydraulic motor reducer.
The middle part of the front end face support 104 is fixed on the front end side wall of the floating cabin 6, the two sides of the front end face support 104 are distributed in a splayed shape, the middle part of the rear end face support 103 is fixed on the rear end side wall of the floating cabin 6, and the left side and the right side of the rear end face support 103 are distributed in a splayed shape. The pair of spiral rollers 101 are symmetrically distributed on the left side and the right side of the floating water tank 6, the pair of spiral motors 102 are symmetrically fixed on the left side and the right side of the front end face support 104, the output shafts of the pair of spiral motors 102 are respectively connected with the front end faces of the pair of spiral rollers 101, the pair of spiral transmission shafts 105 are respectively connected with the rear end faces of the pair of spiral rollers 101, and the pair of spiral transmission shafts 105 are symmetrically installed on the left side and the right side of the rear end face support 103 through the spiral shaft bearing. Because the spiral line directions of the spiral blades of the two spiral rollers 101 are opposite, and the rotating directions of the two spiral rollers 101 are opposite, the whole device can walk, when the whole device needs to turn, only one of the spiral motors 102 needs to be started, one of the spiral rollers 101 rotates, and the other spiral roller is still.
The hydraulic flushing mechanism comprises a water absorbing assembly, a water conveying pipeline and a spraying assembly. The water sucking assembly comprises a water pump 202, a water pump bracket 212, a water inlet pipe 201 and a water inlet valve 203, wherein the water pump 202 is installed on the bottom of the floating cabin 6 through the water pump bracket 212, and the water inlet valve 203 is installed on the water outlet of the water pump 202. The water pipeline comprises a main water pipe 204, a branch water pipe 206 and a three-way valve 205, and the branch water pipe 206 adopts a steel wire hose. The spray assembly comprises a main spray pipe 207 and a plurality of nozzles 208, wherein two ends of the main spray pipe 207 are sealed, the plurality of nozzles 208 are distributed at equal intervals along the length direction of the main spray pipe 207, and the plurality of nozzles 208 are respectively connected with the main spray pipe 207.
The rear part of the floating cabin 6 is provided with a partition 209, the space enclosed by the partition 209 and the rear part of the floating cabin 6 is a water storage cabin 210, and the side wall of the rear end of the floating cabin 210 is provided with a water inlet filter screen 211. The two ends of the water inlet pipe 201 are respectively connected with the water storage bin 210 and the water inlet of the water pump 202, one end of the main water delivery pipe 204 is connected with the water outlet of the water pump 202, the other end of the main water delivery pipe is connected with one end of the two branch water delivery pipes 206 through the three-way valve 205, and the other end of the two branch water delivery pipes 206 is respectively connected with the main spray pipe 207.
The control power mechanism comprises a water absorption power mechanism and a control assembly. The water absorption power mechanism comprises a water absorption engine 309, an engine bracket 310, a driving pulley 308, a driven pulley 301, a transmission belt 303, a radiator 314, a storage battery 315, a fuel tank 316 and an air filter 317, wherein the water absorption engine 309 is installed on the bottom of the floating cabin 6 through the engine bracket 310, the storage battery 315 is installed on the engine bracket 310, the storage battery is located right below the water absorption engine 309, and the storage battery 315 is connected with a starting motor of the water absorption engine 309 and provides power for starting the water absorption engine 309. The fuel tank bracket is fixed on the bottom rear part of the floating cabin 6, the fuel tank 316 is arranged on the fuel tank bracket, the fuel tank 316 is positioned right above the water storage bin 210, and the fuel tank provides required fuel for the water absorption engine. The air filter 317 is communicated with the air inlet of the water absorption engine 309 through an air pipeline, and provides clean air for the engine during combustion. The water absorption motor comprises an instrument panel 318 and an accelerator control handle 319, the accelerator control handle 319 is installed on the instrument panel 318, and the instrument panel 318 is located on the right side of the driving seat 7, so that an operator can conveniently control the operation of the water absorption motor.
The driving pulley 308 is sleeved on an output shaft of the water suction engine 309, the driven pulley 301 is sleeved on a main shaft of the water pump 202, and the driving pulley 308 is connected with the driven pulley 301 through a transmission belt 303.
The operation and control assembly comprises a tension wheel 307, a tension wheel bracket 305, a tension spring 306, a link bracket 304, a first operation link 312, a second operation link 311, an operation lever 313 and a locking piece 302. The connecting rod support 304 is fixed on the bottom of the floating water tank 6, the tension wheel support 305 comprises a support cross rod and two clamping rods, the two ends of the support cross rod are respectively connected with the connecting rod support through bearings, one ends of the two clamping rods are respectively connected with the centers of the two end faces of the tension wheel, and the other ends of the two clamping rods are respectively sleeved on the support cross rod. The lower end of the tension spring 306 is fixed on the bottom of the floating water cabin 6, and the upper end of the tension spring 306 is connected with one of the clamping rods. The upper end of the first operating link 312 is fixedly connected with the supporting cross bar, the lower end of the first operating link 312 is hinged with the rear end of the second operating link 311, the front end of the second operating link 311 is connected with the middle part of the operating lever 313, the lower end of the operating lever 313 is hinged with the front part of the bottom of the floating cabin 6, the operating lever 313 is positioned at the right front part of the driving seat 7, the locking piece 302 is L-shaped, and one end of the locking piece 30 is fixed on the front side wall of the floating cabin at the position corresponding to the operating lever.
The operating lever 313, the first operating link 312, the second operating link 311 and the tension pulley support form a plane four-bar structure, the tension pulley 307 always enables the transmission belt to be in a tension state through the tension of the tension spring 306, after the water absorption engine 309 is started, the water absorption engine 309 drives the water pump 202 to work through the transmission belt 303, the water pump 202 starts to absorb water from the water storage bin 210 and starts to perform flushing operation, when an operator pushes the upper end of the operating lever 313 forward to a position matched with the locking member 302, the operating lever 313 is locked through the locking member 302, when the upper end of the operating lever 313 is pushed forward, the operating lever 313 drives the second operating link 311 to move forward, the second operating link 311 drives the first operating link 312 to rotate, the first operating link 312 drives the supporting cross bar to rotate, the supporting cross bar drives the tension pulley 307 to rotate, the tension pulley 307 leaves the transmission belt 303 after rotating, and the, the water pump 202 cannot operate, and the flushing operation cannot be performed.
The hydraulic assembly includes a hydraulic oil tank 403, a hydraulic multi-way directional valve 402, a hydraulic pump 404, hydraulic piping, and a hydraulic console 401. The hydraulic pump 404 is fixed to the suction engine 309, the hydraulic pump 404 is attached to a hydraulic pipe, and the hydraulic tank 403 is fixed directly below the seat surface of the driver seat 7. A hydraulic console 401 is fixed on the top of the front end face bracket 104, the hydraulic console 401 is located right in front of the driver seat 7, and a hydraulic multi-way directional control valve 402 is fixed on the hydraulic console 401. The hydraulic oil tank 403 is connected to the hydraulic multi-way directional valve 402 via hydraulic pipes, and the hydraulic multi-way directional valve 402 is connected to the screw motor 102, the lifting hydraulic cylinder 506, and the swing hydraulic cylinder 510 via hydraulic pipes. The screw motor 102, the lifting hydraulic cylinder 506 and the swing hydraulic cylinder 510 are supplied with hydraulic pressure by hydraulic assemblies, and the working states of the screw motor 102, the lifting hydraulic cylinder 506 and the swing hydraulic cylinder 510 are controlled by an operator operating the hydraulic multi-way directional control valve 402.
The pulse scouring adjusting mechanism comprises a lifting adjusting mechanism and a left-right swinging mechanism, the lifting adjusting mechanism controls the lifting of the spraying assembly, and the left-right swinging mechanism controls the left-right swinging of the spraying assembly.
The lifting adjusting mechanism is of a symmetrical structure and comprises a lifting hydraulic oil cylinder 506, a lifting arm 505, a lifting cross rod 509, a lifting support 504, a first lifting connecting rod 503, a second lifting connecting rod 502 and a third lifting connecting rod 501, wherein the lifting support 504, the first lifting connecting rod 503, the second lifting connecting rod 502 and the third lifting connecting rod 503 are provided with a pair. The body of the lifting hydraulic oil cylinder 506 is hinged with the bottom of the floating cabin 6, and the piston rod of the lifting hydraulic oil cylinder 506 is upward. The pair of lifting supports 504 are symmetrically mounted on the top of the front end face support 104, the pair of lifting supports 504 are symmetrically sleeved on two end portions of the lifting cross rod 509, and the lifting cross rod 509 is in clearance fit with the two lifting supports 504 respectively. A piston rod of the lifting hydraulic oil cylinder 506 is hinged with one end of the lifting arm 505, and the other end of the lifting arm 505 is fixedly connected with the lifting cross bar 509. One end of each of the pair of first lifting links 503 is fixedly connected to the lifting cross bar 509, the other end of each of the pair of first lifting links 503 is universally hinged to the upper ends of the pair of second lifting links 502, the lower ends of the pair of second lifting links 502 are respectively connected to the middle portions of the pair of third lifting links 503, one end of each of the pair of third lifting links 503 is universally hinged to the outer side of the front end of the floating body 6, and the other end of each of the pair of third lifting links 503 is universally hinged to the left and right sides of the main jet pipe 207.
The left-right swinging mechanism comprises a swinging hydraulic oil cylinder 510, a swinging arm 514, a swinging bracket, a sliding sleeve 515 and an auxiliary bracket, wherein the cylinder body of the swinging hydraulic oil cylinder 510 is hinged with the outer side of the front end face bracket 104, and the piston rod of the swinging hydraulic oil cylinder 510 is hinged with one end of the swinging arm 514. The swing support comprises a swing support rod 512 and a swing fulcrum rod 513, one end of the swing support rod 512 is fixed on the outer side of the front end face support 104, the lower end of the swing fulcrum rod 513 is connected with the swing support rod 512, the swing fulcrum rod 513 penetrates through the middle part of the swing arm 514, the swing fulcrum rod 513 is in clearance fit with the swing arm 514, the auxiliary support comprises an auxiliary support rod 507, a diagonal draw rod 508, a guide rod 511 and a connecting seat, one end of the auxiliary support rod 507 is universally hinged with the outer side of the front end face support 104, the diagonal draw rod 508 is provided with a pair, the diagonal draw rods 508 are symmetrically distributed in a splayed shape, the guide rod 511 is positioned on a symmetrical line of the diagonal draw rods 508, the upper ends of the diagonal draw rods 508 and the guide rod 511 are respectively connected with the connecting seat, the other end of the auxiliary support rod 507 is universally hinged with the connecting seat, the lower ends of, the other end of the swing arm 514 is connected to a sliding sleeve 515.
The injection assembly is adjusted in a lifting mode according to the requirements of flushing operation, during adjustment, the lifting hydraulic oil cylinder 506 is started, a piston rod of the lifting hydraulic oil cylinder 506 is lifted to drive the lifting arm 505 to rotate, the lifting arm 505 rotates to drive the lifting cross rod 509 to rotate, the lifting cross rod 509 rotates to drive the first lifting connecting rod 503 to rotate, the first lifting connecting rod 503 rotates to drive the second lifting connecting rod 502 to rotate, the second lifting connecting rod 502 drives the third lifting connecting rod 503 to rotate, and the third lifting connecting rod 503 rotates to drive the injection main pipe 207 to ascend or descend. When the main injection pipe 207 ascends or descends, the auxiliary supporting rod 507 ascends or descends along with the main injection pipe 207 because the two ends of the auxiliary supporting rod 507 are respectively hinged with the front end face bracket 104 and the connecting seat in a universal mode, and when the auxiliary supporting rod 507 ascends or descends, the sliding sleeve 515 ascends or descends along the guide column 511.
The left-right swinging adjustment is carried out on the injection assembly according to the requirement of the flushing operation, during the adjustment, the swinging hydraulic oil cylinder 510 is started, a piston rod of the swinging hydraulic oil cylinder 510 drives the swinging arm 514 to rotate, the swinging arm 514 rotates to drive the auxiliary support to swing left and right, and the auxiliary support swings left and right to drive the injection main pipe 207 to swing left and right. While the main jet pipe 207 swings left and right, the third lifting link 501 and the second lifting link 502 can swing left and right along with the main jet pipe 207 because the third lifting link 501 is articulated with the main jet pipe 207 and the outer side wall of the floating cabin 6 in a universal manner, and the second lifting link 502 is articulated with the first lifting link 501 in a universal manner.
The working principle of the double-helix propelling type lotus root harvester is as follows:
when the lotus roots are harvested, an operator starts a water absorption engine, the water absorption engine rotates at a high speed, a power water pump is driven by a conveyor belt, the water pump rotates at a high speed to suck a large amount of water, the water is conveyed to a main injection pipe through a water conveying pipeline, high-pressure water is injected to soil around the lotus roots through a contraction type nozzle, a screw engine (which is adjusted to a proper rotating speed through the screw engine) is started at the same time, two screws of the two screw engines are driven to roll and rotate, the two screw rollers move forwards or backwards while rotating, and accordingly the floating cabin is driven to move forwards or backwards. Through the depth of work of control lift hydraulic cylinder adjustment nozzle, realize the left and right sides of nozzle through control swing hydraulic cylinder, the straight line walking in floating water cabin and the horizontal hunting of nozzle superpose each other, form impulse type and erode, earth around the lotus root is washed away by the successive layer under high pressure water jet's effect, treat that earth around the lotus root is by whole dashing away, the lotus root floats out the water level under the effect of the buoyancy of self, then salvage and transport out the lotus root field by the manual work, this lotus root operation results is accomplished.
Claims (9)
1. The utility model provides a double helix impulse type lotus root harvester which characterized in that: comprises a floating cabin, a double-helix driving mechanism, a hydraulic flushing mechanism and an operation power mechanism;
the double-spiral travelling mechanism comprises a pair of spiral driving mechanisms and spiral rollers, the spiral directions of spiral blades of the pair of spiral rollers are opposite, the pair of spiral rollers are symmetrically distributed on the left side and the right side of the floating cabin, the pair of spiral rollers are respectively connected with the floating cabin through the spiral driving mechanisms, and the spiral driving mechanisms drive the pair of spiral rollers to travel;
the hydraulic flushing mechanism comprises an operation power mechanism, a water absorbing assembly, a water conveying pipeline and a spraying assembly, the water absorbing assembly comprises a water pump, the water pump is installed in the floating cabin, the spraying assembly is installed at the front end or the rear end of the floating cabin, the water pump is connected with the spraying assembly through the water conveying pipeline, and the operation power mechanism controls whether the water pump is in a water absorbing state or not.
2. The double-helix propelling lotus root harvester according to claim 1, wherein: the spiral driving mechanism comprises a front end face support, a rear end face support, spiral engines and spiral transmission shafts, the front end face support is fixed to the front end of the floating cabin, the rear end face support is fixed to the rear end of the floating cabin, the spiral engines and the spiral transmission shafts are in a pair, the spiral engines are symmetrically fixed to the left side and the right side of the front end face support, output shafts of the spiral engines are respectively connected with the front end faces of the spiral rollers, the spiral transmission shafts are respectively connected with the rear end faces of the spiral rollers, and the spiral transmission shafts are symmetrically installed on the left side and the right side of the rear end face support.
3. The double-helix propelling lotus root harvester according to claim 2, characterized in that: the middle part of the front end face support is fixed on the front end side wall of the floating cabin, the left side and the right side of the front end face support are distributed in a splayed shape, the middle part of the rear end face support is fixed on the rear end side wall of the floating cabin, the left side and the right side of the rear end face support are distributed in a splayed shape, and the screw engine is a hydraulic motor reducer.
4. A double-screw propulsion type lotus root harvester according to any one of claims 1 to 3, wherein: the water absorbing assembly comprises a water delivery pipeline, two water delivery branch pipes and a three-way valve, wherein one end of the water delivery main pipe is connected with the water outlet of the water pump, the other end of the water delivery main pipe is connected with one end of the two water delivery main pipes through the three-way valve, the spraying assembly comprises a spraying main pipe and a plurality of nozzles, the plurality of nozzles are distributed at equal intervals along the length direction of the spraying main pipe, the plurality of nozzles are respectively connected with the spraying main pipe, and the spraying main pipe is positioned right in front of the front end of the floating cabin, the other ends of the two water delivery branch pipes are respectively connected with the main spraying pipe.
5. The double-helix propelling lotus root harvester according to claim 4, wherein: the control power mechanism comprises a water absorption power mechanism, the water absorption power mechanism comprises a water absorption engine, an engine support, a driving pulley, a driven pulley and a transmission belt, the water absorption engine is mounted on the bottom of the floating cabin through the engine support, the driving pulley is sleeved on an output shaft of the water absorption engine, the driven pulley is sleeved on a main shaft of the water pump, and the driving pulley is connected with the driven pulley through the transmission belt.
6. The double-helix propelling lotus root harvester according to claim 5, wherein: the control power mechanism further comprises a control assembly, the control assembly comprises a tension wheel, a tension wheel support, a tension spring, a connecting rod support, a first control connecting rod, a second control connecting rod, a control rod and a locking piece, the connecting rod support is fixed on the bottom of the floating water tank, the tension wheel support comprises a support cross rod and two clamping rods, two ends of the support cross rod are respectively connected with the connecting rod support through bearings, one ends of the two clamping rods are respectively connected with the centers of two end surfaces of the tension wheel, the other ends of the two clamping rods are respectively sleeved on the support cross rod, the lower end of the tension spring is fixed on the bottom of the floating water tank, the upper end of the tension spring is connected with one clamping rod, the upper end of the first control connecting rod is fixedly connected with the support cross rod, the lower end of the first control connecting rod is connected with the rear end of the second control connecting rod, the front end of the second control connecting, the locking piece is arranged on the side wall of the floating cabin and at the position corresponding to the operating lever.
7. The double-helix propelling lotus root harvester according to claim 4, wherein: the pulse scouring adjusting mechanism comprises a lifting adjusting mechanism and a left-right swinging mechanism;
the lifting adjusting mechanism is of a symmetrical structure and comprises a lifting hydraulic oil cylinder, a lifting arm, a lifting cross rod, a lifting support, a first lifting connecting rod, a second lifting connecting rod and a third lifting connecting rod, wherein the lifting support, the first lifting connecting rod, the second lifting connecting rod and the third lifting connecting rod are respectively provided with a pair of lifting supports, the cylinder body of the lifting hydraulic oil cylinder is hinged with the bottom of the floating cabin, the piston rod of the lifting hydraulic oil cylinder is upward, the pair of lifting supports are symmetrically arranged on the top of the front end face support, the two lifting supports are symmetrically sleeved on the two end parts of the lifting cross rod, the lifting cross rod is in clearance fit with the two lifting supports respectively, the piston rod of the lifting hydraulic oil cylinder is hinged with one end of the lifting arm, the other end of the lifting arm is fixedly connected with the lifting cross rod, one end of the pair of first lifting connecting rods is fixedly connected with the lifting cross rod respectively, the other, the lower ends of the pair of second lifting connecting rods are respectively connected with the middle parts of the pair of third lifting connecting rods, one ends of the pair of third lifting connecting rods are respectively and universally hinged with the outer side of the front end of the floating cabin, and the other ends of the pair of third lifting connecting rods are respectively and universally hinged with the left side and the right side of the main spraying pipe;
the left-right swinging mechanism comprises a swinging hydraulic oil cylinder, a swinging arm, a swinging support, a sliding sleeve and an auxiliary support, wherein a cylinder body of the swinging hydraulic oil cylinder is hinged with the outer side of the front end face support, a piston rod of the swinging hydraulic oil cylinder is hinged with one end of the swinging arm, the swinging support comprises a swinging supporting rod and a swinging fulcrum rod, one end of the swinging supporting rod is fixed on the outer side of the front end face support, the lower end of the swinging fulcrum rod is connected with the swinging supporting rod, the swinging fulcrum rod penetrates through the middle part of the swinging arm, the swinging fulcrum rod is in clearance fit with the swinging arm, the auxiliary support comprises an auxiliary supporting rod, a diagonal draw bar, a guide bar and a connecting seat, one end of the auxiliary supporting rod is universally hinged with the outer side of the front end face support, the diagonal draw bars are in a pair, the pair of diagonal draw bars are symmetrically, the lower ends of the diagonal draw bars and the guide bar are respectively connected with the main injection pipe, the guide bar is sleeved with the sliding sleeve, and the other end of the swing arm is connected with the sliding sleeve.
8. The double-screw propulsion type lotus root harvester according to claim 7, wherein: still include the driving seat, the driving seat is located the floating cabin front portion, and on the driving seat was fixed in the floating cabin bottom, the locking piece was located the driving seat right front, and the locking piece is the L type, and the one end of locking piece is fixed in on the floating cabin front end lateral wall.
9. The double-screw propulsion type lotus root harvester according to claim 7, wherein: the hydraulic assembly comprises a hydraulic oil tank, a hydraulic multi-way reversing valve, a hydraulic pump, a hydraulic pipeline and a hydraulic control console, the hydraulic pump is fixed on the water-absorbing engine, the hydraulic pump is connected with the hydraulic pipeline, the hydraulic oil tank is fixed under the seat of the driving seat, the hydraulic control console is fixed on the top of the front end face support, the hydraulic control console is located right ahead of the driving seat, the hydraulic multi-way reversing valve is fixed on the hydraulic control console, the hydraulic oil tank is connected with the hydraulic multi-way reversing valve through the hydraulic pipeline, and the hydraulic multi-way reversing valve is respectively connected with the hydraulic motor reducer, the lifting hydraulic oil cylinder and the swing hydraulic oil cylinder through the hydraulic pipeline.
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