CN104663110A - Lawn mower with engine with LPG (liquid propane gas) fuel tank unit and production method of LPG fuel tank unit - Google Patents
Lawn mower with engine with LPG (liquid propane gas) fuel tank unit and production method of LPG fuel tank unit Download PDFInfo
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- CN104663110A CN104663110A CN201410773826.1A CN201410773826A CN104663110A CN 104663110 A CN104663110 A CN 104663110A CN 201410773826 A CN201410773826 A CN 201410773826A CN 104663110 A CN104663110 A CN 104663110A
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Harvester Elements (AREA)
Abstract
The invention discloses a lawn mower with an engine with an LPG (liquid propane gas) fuel tank unit and a production method of the LPG fuel tank unit. According to the arrangement, the structure is mainly improved that grass feeding rods with barb teeth are arranged at the front of the lawn mower are mainly improved; artificial foot protection plates with rotary hinges are arranged on two sides of the middle of the mower; a dual-purpose wheel with pedals are arranged at the rear of the mower and used for pushing and riding; especially, a muffling device (comprises a muffling tube and a water basin) is added; the balance weight is replaced by water to reduce conveying cost; the pedals are used for assisting self-walking; the muffling tube is added to reduce noise; through the protection plates, safety is guaranteed; and the grass compressed is centered. The lawn mower is convenient to feed the grass, balance the weight, reduce the noise, save energy, protect the environment and preserve soil moisture and safe; the four-stroke engine with the LPG fuel tank unit comprising a mini propane fuel tank employees gas to reduce noise and emission of carbon monoxide and hydrocarbon, is prior to the gasoline engine as to the aspect of the gas emission within heating and 40 seconds after starting and is excellent in safety; the fuel tank is easy to change.
Description
Technical field
The present invention relates to a kind of hay mower cut the grass on a lawn for places such as garden, park and road sides, main improvement has the hay mower of the engine of LPG fuel gas tank and tank method processed, and hay mower front portion is provided with the careless bar that enters containing reverse hook teeth; In the middle part of mower, both sides are provided with the artificial foot protection plate containing turning joint; Mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose; Be equipped with anechoic trap (containing hush tube and tank); Be conducive to grazing, counterweight, noise reduction, cooling, energy-conservation, environmental protection, soil moisture conservation and safety.
Background technology
Hay mower is widely used in mowing by the mode selected by the hobby of people.Some operation pedestrian like and custom mower time, latter half of upper handrail makes slightly large strength and have a kind of sensation relying on and press down, and this is with regard to the unsettled possibility of the tilting virtually adding front-wheel; And the design of mower also should look after the comfortable of user and convenience as far as possible.Stick up also less before using petrolic mower, because of engines heavy.But the bad phenomenon of sticking up before sticking up particularly the near front wheel before also having occurs.For power-operated mower, because electromotor is lighter than engine, and electromotor axis will drive the hay knife that tactical diameter is very large, again can not too forward installation, and therefore the front-wheel of power-operated mower sticks up that to lift phenomenon more common.Say again, according to related standards such as GB4706.78-2005; IEC60335-2-77-2002; The standards such as EN836-1997, particularly EN836/A3-2004/4.2.3.2.1 ~ 4.2.3.2.3.3, all have the code requirement on 16.7 degree, slope.Add the husky kettle of counterweight in complete machine front portion, installation will change chassis, add three positions, hole, also will add sandstone, comparatively bother.Counterweight is because of heavier, and cost of transportation is also higher.
In addition, when mowing in practice, because mower front portion is narrower, be difficult to predict swath, namely miss the phenomenon that a rectangular grass do not cut often have generation so repeat to cut and leak to cut, benefit must be gone to cut.In addition, the grass of two avris of mower front portion, also has and is overwhelmed by front-wheel and do not cut.
Silencer is widely used as the silencing equipment of internal combustion engine particularly put-put, is arranged on cylinder cover and is vented doorway, reduce the noise of engine operation process.The limiting value of countries in the world to the noise of various traveling vehicle and mower has relevant regulation, exhaust silencer be exactly such one for reducing the device that exhaust noise is given birth to.The performance evaluation of silencer mainly contains acoustical behavior, the index such as aerodynamic quality and structural behaviour.The considerable part of internal combustion engine belongs to pulsating nature Low Frequency Noise Generator, adopts resistance or impedance is multiple and property and micro-perforated plate muffler more.Mostly the silencer of common internal combustion engine is three-chamber silencer, noise elimination limited use in particular for the silencer of put-put; And must there be larger containment envelope outside, the effect but itself is not eliminated the noise.Moreover its shell temperature rise is higher, hot, affects safety.
Artificial foot protection all has related request at standard STD.BSI EN 836-ENGL 1997 and GB 4706.78-2005/IEC 60335-2-77:2002.The mowing height of most mower has many gears adjustable, and these must by the strict security regulations controlled to the safety of the pin of operation pedestrian.This pin test that normally rehearses.But false pin test palpus every day test location is more, and topped product quantity very little.To such an extent as to have the mower of shipment, but measured false pin safety by people individually, then all affect mower order.The idea improved allows hay knife be elevated at several millimeters, chassis often.But due to the sheet metal that the cutter local that is elongate strip is folded over, due to tolerance, the reason of form and position tolerance and assembling cumulative errors, the point of a knife at two ends is just difficult to ensure not high not low in a circumferential plane in large quantities of actual production; Just in case occur thing difficulty avoid, but also to guarantee ten thousand none go out safety problem.
Hay mower is widely used in mowing by the mode selected by the hobby of people, and some operation pedestrian likes and is accustomed to not only mowing, and can roll the mower on lawn by mowing fabric width.Bull wheel after this mower does not have common two, rear portion only has very wide grass pressing wheel.The key benefit one of pressure grass is in order to grass roots soil moisture conservation, and two is to pursue unique artistic effect.But common hay mower can be heightened, certainly can walk, can mow, be exactly wide cut can not press grass; And the existing mower having grass pressing wheel, existing problem is that grass pressing wheel is monolateral biased because of gearbox and chain cause; So that there is the pressure of grass pressing wheel on one side and front-wheel grass track just to leave long should pressing grass and not be pressed onto the careless marking.
Hay mower is widely used in mowing by the mode selected by the hobby of people, and some operation pedestrian likes and is accustomed to the hay mower with having from walking.But the starting control handle on upper handrail and certainly walk control handle, owing to being insert in the hole of the punching of the iron pipe of upper handrail both sides with how curved iron wire, gap is large, cause control handle or left or right crooked.
There is the automatic walking function of the hay mower certainly walked by motor driven belt and gearbox and realize from travelling wheel.In time walking, consume more power on the one hand, walking operator must walking follow-up on the other hand.Ride if changed into, just not only can economize an oil, can also take exercises, the effect suppressing grass soil moisture conservation can also be added simultaneously.
Existing driving machine many employings engine, and multiple-purpose diesel motor or gasoline engine.Gasoline engine fuel used is gasoline; Gasoline and air is made first to form combustion mixture before entering cylinder with air cleaner and carburetor etc.; By the quick-fried row of four-stroke entrance pressure, combustion mixture enters in cylinder and is compressed, close to compressing at the end ignition and expansion working, what gasoline engine entered cylinder is combustion mixture, what compress is also combustion mixture, because gasoline and air form combustion mixture, because of excessive fuel oil enter cylinder after can only become mist vaporous in moment and cause the phenomenon that part fuel oil fails to burn completely all the time, therefore oil consumption and exhaust pollution environment.And its atomizing effect of diesel engine is no exception.The way that certain hope of row falls in noise abatement is exactly adopt LPG combustion gas.
Summary of the invention
The invention provides a kind of hay mower, its front portion is provided with enters careless bar containing reverse hook teeth; In the middle part of mower, both sides are provided with the artificial foot protection plate containing turning joint; Mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose; Particularly be equipped with anechoic trap (containing hush tube and tank) and travel(l)ing rest; The control handle that left and right is not too shaken; Resultant effect is conducive to grazing, counterweight, noise reduction, cooling, energy-conservation, environmental protection and safety, the hay mower of soil moisture conservation.
The present invention solves the technical scheme that its technical problem takes: with the hay mower of the pushing riding of the engine of LPG fuel tank, pushing riding dual-purpose mower containing artificial foot protection and anechoic trap, what be provided with by its front portion enters careless bar (6) containing reverse hook teeth; The artificial foot protection plate (1) containing turning joint that in the middle part of mower, both sides are provided with; Mower rear portion be provided with containing the dual-purpose pedal wheel (3) of taking turns of foot-operated pushing riding and ride (4) and ride seat (5); And the hush tube of anechoic trap (7) and the first tank (2) and the second tank (9), counter-balanced carriage (10); Bar (8), control handle (14), (15), bolt of long stem (13) formed.
Hay mower front portion is provided with enters careless bar (6) containing reverse hook teeth; Be by the spheroid entering careless bar and bar head of the both sides of the mouth that grazes being located at mower front portion, multiple reverse hook teeth of the body of rod formed; The distance of described spheroid equals mowing width; It is characterized in that the described body of rod entering careless bar is provided with multiple reverse hook teeth, and be provided with spheroid at bar head.What what hay mower front portion was provided with had a reverse hook teeth enters careless bar, is conducive to both sides and hugs grass feeding; And the spheroid of bar head has the indicative function of advancing by mowing wide cut, and there is decoration function like symbolistic first beetle feeler.
A kind of anechoic trap provided by the invention, containing hush tube (7) and the first tank (2); As extending, this tank connect or expand, the second tank (9) might as well be referred to as; Tank (2) described in the lower bend of described hush tube (7) immerses and, or in tank (9), there to be cooling effect.The effect of described tank kills two birds with one stone, except cooling except, also with water for weight; Because it is located at mower front portion, therefore there is counterweight effect.In addition, place counterweight for convenience, this counterweight or tank, or other bucket or weight, water faces the used time and just adds, and because these disregard hauled weight, is provided with the counter-balanced carriage (10) of turning joint (10a) in mower front portion.Pack up when the effect of hinge is and is convenient to transport, total is to reduce cost of transportation.The lower end of the lower bend of described hush tube (7) connects with muffler outlet.The feature of described tank (2) is, its side is provided with through hole (2c) to match with the lower bend of described hush tube (7); Dewatering outlet (2d) is provided with bottom it.The feature of described counter-balanced carriage (10) is provided with turning joint (10a); And it has five sections of bars of bending, handle can be used as in stage casing.Described hush tube (7) is by pipe (7a) in multistage and brace and form containing the outer tube of multiple wedges (7b) array of micropore.The feature of described interior pipe (7a) which is provided with cellular hexagon eyelet; And the inner tube length of multistage to be length different and alternate; Such as have one section to be the longer interior pipe of 3/4ths wavelength (multiplying factor), then adjacent is the interior pipe of only its quarter-wave (multiplying factor).In addition, the distribution of multiple eyelets that described interior pipe (7a) is provided with is not uniform but has density; The position being particularly positioned at 1/4th pipe ranges at the middle part on one section of pipe of 3/4ths wavelength (multiplying factor) is closeer eyelet, the pipe of remaining part is the eyelet comparatively dredged; And the feature of its eyelet is hexagon eyelet or many prismatics; The feature of the interior pipe of the quarter-wave (multiplying factor) of described band eyelet is the distribution of the multiple eyelets which is provided with not to be uniform but to have density; The position being particularly positioned at 3/8ths pipe ranges at the middle part on this section of pipe is closeer eyelet, the pipe of remaining part is the eyelet comparatively dredged.Described eyelet is polygonal particularly hexagonal; As improvement, or the feature of its eyelet is many prismatics, particularly six prismatics, namely has the polygonal of a fabrication flange; Or the feature of its eyelet is the described wedge (7b) having micropore.There is quarter-wave effect and dilatational wave effect and honeycomb effect.On the face of described outer tube (7b), be provided with many stamping projections, in multi-prism taper and multiaspect cone-shaped, particularly hexagonal pyramid shape, is called wedge (7b); The feature of described wedge is, it is hexagon from the root of the punching press of metallic plate, and reduce from root to top, roughly its breadth depth ratio is one to one, or to one to one five.And the top of the wedge of each described hexagonal pyramid shape on the face of described hush tube is provided with micropore, and its approximate diameter is advisable at 0.1 to 0.5 millimeter.In described pipe (7a) face on, as improvement, or its eyelet also can change and is set to many stamping projections, in multi-prism taper and multiaspect cone-shaped, particularly hexagonal pyramid shape, also can be described as wedge, but its breadth depth ratio is One to naught point eight, or to one. four to one.The how stupefied structure of many wedges composition wedge, it is that the hexagonal of honeycomb is polygonal in the arrangement in each face, or random.In hush tube or partly can be filled with metallic fiber or resistant to elevated temperatures nonmetallic materials; Or the sound-absorbing material that partly can be filled with resistance to middle temperature particularly sound-absorbing porous material or flexible material and film material.Described porous material is as fiber-like, and foam class, particulate species, alone good, more or less mixing application is good.Also usable fibers class is as rock wool, or glass fiber, or mineral wool particularly super glass wool; Or want fireproof by foam class; Or by particulate species as expanded perlite, porous clay brick, and the fabric of heatproof, felt is filled or is attached; In order to further improved performance index, and comprehensively form and can reach the good object of noise reduction.Multiple material has complementary low-and high-frequency sound absorption usefulness.Many wedges, have added area of dissipation; Particularly many wedges having micropore, not only have the micropore effect of noise reduction, and have the latent effectiveness of hypereccrisia liquid.As extending, many wedges also can reverse-drawing namely outwardly to add area of dissipation.The pad not only made heat insulating mattress but also make beam also can be assembled between silencer and engine.Also the pad not only made heat insulating mattress but also make beam can be assembled between the outlet and described hush tube (7) of silencer.Anechoic trap provided by the invention is provided with numerous large-area wedge regions, containing numerous wedges having micropore, has wedge to hinder and falls effect and micropore effect.The beneficial effect that anechoic trap provided by the invention causes is: increase the combination property of soundproof effect and lifting silencer as insertion loss, sound transmission loss, noise abatement amount and attenuation, and cooling.
A kind of hay mower provided by the invention, enter except careless bar and described anechoic trap except crossing to be provided with in its front portion containing reverse hook teeth, also in the middle part of mower, both sides are provided with the artificial foot protection plate (1) containing turning joint.The artificial foot protection plate (1) containing turning joint that described both sides in the middle part of mower are provided with is made up of protective plate (1a) and turning joint (1b); It is characterized in that described protective plate is left, right each one; But when sometimes will to lay side Lysimachia sikokiana plate on right side, just an on the left side lays artificial foot protection plate; Namely the waveform having two bigger of the described protective plate profile preferably foot-shape of pictograph, to strengthen the warning association and artistic image that foot is careful; Particularly described protective plate preferably uses more soft but not too soft shore hardness at 65 to 95 materials such as rubber, main sheet material made by polyurethane or polyvinyl chloride, its usefulness is that adagio when putting down work that discharges water more not easily hinders grass, and rubber slab is more convenient for vanning.Described protective plate also can use the material of hard.Described protection edges of boards are provided with mobilizable hinge, do not limit one or more or with flexible material, then are aided with stop before going too far determinate spacing, as long as described protective plate can be made to discharge water put down work and turn that to get on to be convenient to vanning just passable.As extending or improving, described protective plate also can be set to dismountable, puts, take off when not working during work.In order to prevent trouble before it happens, put prevention first, guarantee that the complete machine of a large amount of shipment all detects by false pin, to make up the rugged shortcoming of two point of a knife caused by mower existing rotary cutter structure, hereby provide the protective plate of this mower described in anti-false pin test cutter height.
The present invention also provides pushing riding dual-purpose mower, is namely provided with at mower rear portion and takes turns containing foot-operated pushing riding is dual-purpose; Add and be provided with anechoic trap (containing hush tube and tank) and moving counterweight support, and artificial foot protection plate; Also improve telescopic bar (8), and the control handle that left and right is not too shaken, and symmetrical without leaking the grass pressing wheel staying the centering of impression; Therefore its resultant effect is conducive to grazing, counterweight, noise reduction, cooling, energy-conservation, environmental protection and safety, soil moisture conservation.
Described mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose, by telescopic bar (8), pedal wheel (3), foot-operated (4), ((5) and detachable and rotating support formed to ride seat, it is characterized in that, every limit, left and right of described pedal wheel (3) has one to resemble the foot-operated of bicycle sample; The axle of pedal crank axle and pedal wheel maybe can be provided with unilateral bearing; Described ride seat ((5) and the equal length adjustable of detachable and rotating support mainly regulate by the way of the telescoping tube of bassoon inner sleeve tubule.Described pedal wheel (3) also can select the fabric width adapted with reference to different soil.
The control handle that described left and right is not too shaken, by the bolt of long stem (13) by the mounting hole site on upper handrail; Through bolt (13) have an axle sleeve certainly walk control handle, and through being made up of the starting control handle of axle sleeve of bolt (13), the common trait of 2 described control handles be all have match with the bar footpath of bolt of long stem (13) and the axle sleeve that not quite not too shakes about making it of fit clearance; And upper handrail is upwards curved reaches the angle with bar 85 degree.
Described symmetrically stay the feature of the grass pressing wheel of the centering of impression (12) to be without leaking, its installation site is axis along mower and symmetry; And the length of described grass pressing wheel is greater than the interior spacing of two front-wheels.Have adjusted now the position of gear-box and associated mechanisms, make it not at all easy centering.Gear-box is improved to sine wave type structure; High jump pull bar is built-in.
Because there has been grass pressing wheel, grass outlet is higher, so the feature of the bottom of the grass cutting collection box of mower of the present invention is along high and bottom surface that the is rear portion of casing is low to stay grass under oblique i.e. oral area.
Have the hay mower of the engine of LPG fuel gas tank and tank method processed, by its front portion be provided with containing reverse hook teeth enter careless bar (6), the artificial foot protection plate (1) containing turning joint that in the middle part of mower, both sides are provided with, mower rear portion be provided with containing the dual-purpose pedal wheel (3) of taking turns of foot-operated pushing riding and ride (4) and ride seat (5), and the hush tube of anechoic trap (7) and tank I (2) and tank II (9), counter-balanced carriage (10), bar (8), walks control handle (14) certainly, starting control handle (15), and bolt of long stem (13) formed, in the middle part of described mower, both sides are provided with the artificial foot protection plate (1) containing turning joint, by protective plate (1a) and turning joint (1b) and formed with the engine of fuel gas tank, described protective plate profile is the waveform namely having two bigger of the foot-shape of pictograph, described protective plate be with shore hardness 65 to 95 material make, described mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose, by telescopic bar (8), pedal wheel (3), foot-operated (4), ride seat (5) and detachable and rotating support formed, every limit of described pedal wheel (3) has one to ride, and the equal length adjustable of detachable and rotating support, mainly regulates by the way of the telescoping tube of bassoon inner sleeve tubule, control handle, by the bolt of long stem (13) by the mounting hole site on upper handrail, through bolt (13) have an axle sleeve certainly walk control handle, and through being made up of the starting control handle of axle sleeve of bolt (13), described certainly walk control handle and starting control handle all have match with the bar footpath of bolt of long stem (13) and the axle sleeve that fit clearance is little, and upper handrail is upwards curved reaches the angle with bar 85 degree, grass pressing wheel (12), its installation site is axis along mower and symmetry, and the length of described grass pressing wheel is greater than the interior spacing of two front-wheels, along high and bottom surface that the is rear portion of casing is low under the i.e. oral area that the bottom of grass cutting collection box is oblique, the described body of rod entering careless bar (6) is provided with multiple reverse hook teeth, and is provided with spheroid at bar head, described anechoic trap contains hush tube (7) and tank I (2) and tank II (9), and be provided with the counter-balanced carriage (10) of turning joint (10a), the lower end of the lower bend of described hush tube (7) connects with muffler outlet, described tank I (2) its side is provided with through hole (2c), is provided with dewatering outlet (2d) bottom it, it is characterized in that: the described engine with fuel gas tank, is drive mower, described fuel gas tank, also miniature propane fuel tank (20), fuel support (21), fuel band (22) is comprised, the front portion of described miniature propane fuel tank (20) is provided with gas thread (20a), so that described fuel enters the four-stroke engine of described driving mower by pipe joint through mixed airgun controller and works, the front portion of described miniature propane fuel tank (20) be also provided with safety valve (20b) in case in excess of the quota time overflow and play safety effect, the rear portion of described miniature propane fuel tank (20) is provided with tank base disk (20c), and is provided with the base holes (20d) of multiple equal distribution on described tank base disk (20c), described fuel support (21) is provided with pedestal (21d), the rear portion of described pedestal (21d) is provided with rear plate washer (21b) to locate described tank base disk (20c), the both sides of described pedestal (21d) are respectively equipped with semicircular arc support (21c), and the upper each ground, left and right of the semicircular arc support (21c) be respectively equipped with in described both sides is provided with the rectangular frame of band (21a) to connect described fuel band (22), the semicircular arc bracket lip of the wherein side that described fuel support (21) is provided with is provided with carriage mounting plate (21g), and on described carriage mounting plate (21g), be provided with installation through hole (21e) and groove (21f) be installed so that fixing, the main body of described fuel band (22) is braid over braid, one end of described braid over braid is sewn together with the plastic with two oblong aperture (22a), one section of described braid over braid is sewed the magic band (22b) of multiple hard hook, and another section of described braid over braid then sews soft flannelette (22c) to have the magic band (22b) of multiple hard hook to match with described, the four-stroke engine of described driving mini-size tillage machine lies on described fuel support (21) with miniature propane fuel tank (20), and is fastened by described fuel band (22).
A kind of prefabricated tanks front portion that passes in the prefabricated pipe of shaping mould of the tank method processed of described miniature propane fuel tank has the hydraulic oil of pressure differential to extrude with prefabricated tanks rear portion; Prefabricated pipe is put in the shaping mould (23) extruding tank, pipe device (23q) is squeezed before inserting the high-pressure pump with hydraulic oil sealing ring (23m) in system in the described prefabricated pipe front end extruded in the prefabricated pipe of the longer front portion of the radian of tank, system simultaneously in the described prefabricated pipe rear end extruded in the prefabricated pipe at the shorter rear portion of the radian of tank is inserted and is squeezed pipe device (23h) with after the high-pressure pump of hydraulic oil sealing ring (23m), because of front and back, along undermining radian, palpus its rear portion of pressure differential is bigger, to extrude tank and shaping and welding.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the four-stroke engine of described driving mini-size tillage machine is closely-pitched to be tightly connected with the screw thread of the gas thread (20a) that the front portion of miniature propane fuel tank (20) is provided with.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: to be tightly connected when the screw thread of the gas thread (20a) that the four-stroke engine of described driving mini-size tillage machine is provided with the front portion of miniature propane fuel tank (20) is 3/4.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the four-stroke engine of described driving mini-size tillage machine is that after heat treatment its hardness reaches 27.5HRC to be tightly connected with the screw thread of the gas thread (20a) that the front portion of miniature propane fuel tank (20) is provided with.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the screw thread of the gas thread (20a) that the four-stroke engine of described driving mini-size tillage machine is provided with the front portion of miniature propane fuel tank (20) is that the volume fraction of after heat treatment its retained austenite scale of construction is less than 3% to be tightly connected.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the end of the screw thread of the gas thread (20a) that the four-stroke engine of described driving mini-size tillage machine is provided with the front portion of miniature propane fuel tank (20) is provided with rubber seal to be tightly connected.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the tank base disk (20c) that the rear portion of described miniature propane fuel tank (20) is provided with is provided with the base holes (20d) of six equal distribution so that the rear plate washer (21b) be provided with the rear portion of the pedestal (21d) of described fuel support is located.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the main inner profile curve that the both sides of described pedestal (21d) are respectively equipped with semicircular arc support (21c) is one section that equiangular spiral that pressure angle is equal everywhere is also called logatithmic spiral, also to have the near bag of multipoint pressure corner connection to embrace pressure when shake is trembled.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: be provided with screw thread to save a fixing nut in the installation through hole (21e) that the carriage mounting plate (21g) that the semicircular arc bracket lip of the wherein side on described fuel support (21) is provided with is provided with, and the installation groove (21f) that described carriage mounting plate (21g) is provided with is bending groove also can locate when certain hold-doun nut drops.
Improve to improve and perfect described have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the main body of described fuel band (22) is the wide braid over braid of 30mm, and one of described braid over braid section of magic band (22b) having the 28mm of multiple hard hook wide of sewing, another section of described braid over braid then sews the wide soft flannelette of 29mm to have the magic band (22b) of multiple hard hook to match with described, is also not grieved finger with the narrower magic band (22b) of multiple hard hook.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram of the hay mower with a kind of engine with LPG fuel gas tank of the present invention.
Fig. 2 is the schematic diagram of protective plate.
Fig. 3 is the schematic perspective view of the wedge of a circle of the outer tube of hush tube.
Fig. 4 is the schematic diagram of hush tube and tank.
Fig. 5 is the schematic diagram of tank.
Fig. 6 is the schematic diagram of the interior pipe of hush tube.
Fig. 7 is the schematic diagram of pedal wheel (3) and foot-operated (4).
Fig. 8 is that the removal of pushing riding dual-purpose mower complete machine of the present invention is ridden only with the schematic diagram pushed away.
Fig. 9 is the schematic diagram of the mower front portion of hush tube and the second tank (9).
Figure 10 is the profile of wedge.
Figure 11 is the elevational schematic view bottom mower.
Figure 12 is the front-view schematic diagram of mower front portion.
Figure 13 is the schematic diagram of counter-balanced carriage.
Figure 14 is the schematic diagram of grass pressing wheel.
Figure 15 is the schematic diagram of bolt of long stem.
Figure 16 is the schematic diagram from walking control handle.
Figure 17 is the schematic diagram of starting control handle.
Figure 18. be the schematic perspective view of fuel band (22).
Figure 19. be the schematic perspective view at the rear portion of miniature propane fuel tank (20).
Figure 20. be the schematic perspective view of the front portion of miniature propane fuel tank (20).
Figure 21. be the schematic perspective view of the right part of fuel support (21).
Figure 22. be the schematic perspective view of the left part of fuel support (21).
Figure 23. be the schematic diagram of the crowded mould of LPG miniature propane fuel tank.
As shown in the figure, in figure:
1. are artificial foot protection plates;
1a. is protective plate;
1b. is the turning joint of protective plate;
2. are tanks;
2c. is the through hole of tank;
2d. is the dewatering outlet of tank;
3. are pedal wheels;
4. be foot-operated;
5. be ride seat;
6. be into careless bar;
7. are hush tubes;
7a. is the interior pipe of hush tube;
7b. is wedge;
8. are bars;
9. are tanks;
10. are counter-balanced carriages;
10a. is the turning joint of counter-balanced carriage;
11. is front-wheels;
12. is grass pressing wheels;
13. is bolt of long stems;
14. is from walking control handle;
15. is starting control handles;
20. is that LPG fuel tank is containing miniature propane fuel tank;
20a. is gas thread;
20b. is safety valve;
20c. is tank base disk;
20d. is base holes;
21. is fuel supports;
21a. is the rectangular frame of band;
21b. is rear plate washer;
21c. is semicircular arc support;
21d. is pedestal;
21e. installs through hole;
21f. installs groove;
21g. is carriage mounting plate;
22. is fuel bands;
22a. is oblong aperture;
22b. is the magic band having multiple hard hook;
22c. is soft flannelette;
23. is the shaping moulds extruding tank;
23m. is hydraulic oil sealing ring;
23q. squeezes pipe device before high-pressure pump;
23h. squeezes pipe device after high-pressure pump.
Embodiment
Hay mower is widely used in mowing by the mode selected by the hobby of people.Some operation pedestrian likes and custom pushes away mower; And some operator selectable is selected the mode of riding to mow.All available a kind of hay mower cut the grass on a lawn for places such as garden, park and road sides involved in the present invention, i.e. environment-friendly type (band artificial foot protection and anechoic trap) pushing riding dual-purpose mower, it mainly improves is that hay mower front portion is provided with and enters careless bar containing reverse hook teeth; In the middle part of mower, both sides are provided with the artificial foot protection plate containing turning joint; Mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose; Particularly be equipped with anechoic trap (containing hush tube and tank); Resultant effect is conducive to grazing, counterweight, noise reduction, cooling, energy-conservation, environmental protection, and careless mower is pressed on the lawn of soil moisture conservation and safety.
When originally mowing, because mower front portion is narrower, be difficult to predict swath, namely miss the phenomenon that a rectangular grass do not cut often have generation so repeat to cut and leak to cut, benefit must be gone to cut.In addition, the grass of two avris of mower front portion, also has and is overwhelmed by front-wheel and do not cut, and has had the careless bar that enters containing reverse hook teeth just to improve present situation.Careless bar (6) is entered containing reverse hook teeth because hay mower front portion is provided with; Be by the spheroid entering careless bar and bar head of the both sides of the mouth that grazes being located at mower front portion, multiple reverse hook teeth of the body of rod formed; The distance of described spheroid equals mowing width; It is characterized in that the described body of rod entering careless bar is provided with multiple reverse hook teeth, and be provided with spheroid at bar head, thus hay mower front portion be provided with have a reverse hook teeth enter careless bar, be conducive to both sides and hug grass feeding; And the spheroid of bar head has the indicative function of advancing by mowing wide cut, and there is decoration function like symbolistic first beetle feeler.When casing, bar (6) can be packed up.
First install counter-balanced carriage (10) and the second tank (9), the clear water of half groove must be added, then start shooting.Because anechoic trap provided by the invention, containing hush tube (7) and the first tank (2); As extending, this tank or connection or expansion are also the second tank (9); The first tank (2) described in the lower bend of described hush tube (7) immerses and, or in the second tank (9), there to be cooling effect.The effect of described tank kills two birds with one stone, except cooling except, also with water for weight; Because it is located at mower front portion, therefore there is counterweight effect.In addition, place counterweight for convenience, this counterweight or tank, or other bucket or weight, water faces the used time and just adds, and because these and water disregard long-distance transport weight, is provided with the counter-balanced carriage (10) of turning joint (10a) in mower front portion.Pack up when the effect of hinge is and is convenient to transport, total is to reduce cost of transportation.The lower end of the lower bend of described hush tube (7) connects with muffler outlet.The feature of described tank (2) is, its side is provided with through hole (2c) to match with the lower bend of described hush tube (7); Dewatering outlet (2d) is provided with bottom it.The feature of described counter-balanced carriage (10) is provided with turning joint (10a); And it has five sections of bars of bending, handle can be used as in stage casing.
Because described hush tube (7) is by pipe (7a) in multistage and brace and form containing the outer tube of multiple wedges (7b) array of micropore; Complete because of internal combustion engine especially miniature gasoline engine combustion chamber combustion again, so the waste gas after acting is after exhaust valve is discharged, enter in silencer after the first chamber (1) expansion, according to principle of noise reduction, the frequency of its waste gas reduces because of volume size.Waste gas enters the second chamber after reducing frequency again by the side through hole of lumen upper plate and lumen lower plate and screen board and expands.Reduce after the waste gas after frequency reduces frequency again by the side through hole of lumen upper plate and lumen lower plate and enter the 3rd chamber, expand again, reduce frequency.Then, the waste gas in the 3rd chamber enters the interior pipe (7a) of the band eyelet of the lower end of the lower bend of described hush tube (7) by muffler outlet, the waste gas after expansion is which is provided with cellular hexagon eyelet to enter outer tube from the feature of pipe (7a) in described; Again because the inner tube length of multistage is that length is different and alternate; Such as have one section to be the longer interior pipe of 3/4ths wavelength (multiplying factor), then adjacent is the interior pipe of only its quarter-wave (multiplying factor).In addition, the distribution of multiple eyelets that described interior pipe (7a) is provided with is not uniform but has density; The position being particularly positioned at 1/4th pipe ranges at the middle part on one section of pipe of 3/4ths wavelength (multiplying factor) is closeer eyelet, the pipe of remaining part is the eyelet comparatively dredged; And the feature of its eyelet is hexagon eyelet or many prismatics; The feature of the interior pipe of the quarter-wave (multiplying factor) of described band eyelet is the distribution of the multiple eyelets which is provided with not to be uniform but to have density; The position being particularly positioned at 3/8ths pipe ranges at the middle part on this section of pipe is closeer eyelet, the pipe of remaining part is the eyelet comparatively dredged.Described eyelet is polygonal particularly hexagonal; As improvement, or the feature of its eyelet is many prismatics, particularly six prismatics, namely has the polygonal of a fabrication flange; Or the feature of its eyelet is the described wedge (7b) having micropore, so have quarter-wave effect and dilatational wave effect and honeycomb effect.Again due to half filling in hush tube, fill or attach multiple material, so the waste gas after expanding after a lot of bother, finally discharging from the bend pipe on the top of hush tube.In order to further improved performance index, and comprehensively form and can reach the good object of noise reduction.Multiple material has complementary low-and high-frequency sound absorption usefulness.Many wedges, have added area of dissipation; Particularly many wedges having micropore, not only have the micropore effect of noise reduction, and have the latent effectiveness of hypereccrisia liquid.Anechoic trap provided by the invention is provided with numerous large-area wedge regions, containing numerous wedges having micropore, has wedge to hinder and falls effect and micropore effect.
In the middle part of mower, both sides installing is containing the artificial foot protection plate (1) of turning joint, when working, makes it roughly to locate horizontal level.Because the artificial foot protection plate (1) containing turning joint that described both sides in the middle part of mower are provided with is made up of protective plate (1a) and turning joint (1b); Therefore protective plate is left, right each installation; But when sometimes will to lay side Lysimachia sikokiana plate on right side, just an on the left side lays artificial foot protection plate; Because the waveform namely having two bigger of the described protective plate profile preferably foot-shape of pictograph, warning association and artistic decorative effect that foot is careful can be strengthened.Particularly described protective plate preferably uses more soft but not too soft shore hardness at 65 to 95 materials such as rubber, main sheet material made by polyurethane or polyvinyl chloride, its usefulness is that adagio when putting down work that discharges water more not easily hinders grass, and rubber slab is more convenient for vanning.Described protective plate also can use the material of hard.Described protection edges of boards are provided with mobilizable hinge, do not limit one or more or with flexible material, then are aided with stop before going too far determinate spacing, as long as described protective plate can be made to discharge water put down work and turn that to get on to be convenient to vanning just passable.As extending or improving, described protective plate also can be set to dismountable, puts, take off when not working during work.In order to prevent trouble before it happens, put prevention first, with the protective plate described in this anti-false pin test cutter height, can guarantee that the complete machine of a large amount of shipment all detects by false pin, to make up the rugged shortcoming of two point of a knife caused by mower existing rotary cutter structure.
Pushing riding dual-purpose mower provided by the invention, has two kinds of selections to operator.Take turns containing foot-operated pushing riding is dual-purpose because described mower rear portion is provided with, by telescopic bar (8), pedal wheel (3), foot-operated (4), ((5) and detachable and rotating support formed, and mainly regulate by the way of the telescoping tube of bassoon inner sleeve tubule to ride seat, so, extract downwards, the part of riding can be taken off, make it into the mower pushed away as shown in Figure 8.Otherwise, the part that fit on is ridden, the then mower for riding.Again because every limit, left and right of described pedal wheel (3) has one to resemble the foot-operated of bicycle sample; And the axle of pedal crank axle and pedal wheel maybe can be provided with unilateral bearing; And described ride seat (5) and the equal length adjustable of detachable and rotating support, mainly regulate by the way of the telescoping tube of bassoon inner sleeve tubule, conveniently drive.Described pedal wheel (3) also can select the fabric width adapted with reference to different soil.
Because the described control handle improved, by the bolt of long stem (13) by the mounting hole site on upper handrail; Through bolt (13) have an axle sleeve certainly walk control handle, and being made up of the starting control handle of axle sleeve through bolt (13), the common trait of 2 described control handles be all have match with the bar footpath of bolt of long stem (13) and the little and axle sleeve that not too shakes about making it of fit clearance, so not too shaken about control handle.
Because symmetrical described in adopting stays the grass pressing wheel (12) of the centering of impression without leaking, and its installation site is axis along mower and symmetry; And the length of described grass pressing wheel is greater than the interior spacing of two front-wheels.Again because have adjusted now the position of gear-box and associated mechanisms, make it not at all easy centering; And the clutch block of gear-box is also improved to sine wave type structure; And make to heighten pull bar and be placed in body, make more attractive in appearance.
Because there has been grass pressing wheel, grass outlet is higher, so the feature of the bottom of the grass cutting collection box of mower of the present invention is along high and bottom surface that the is rear portion of casing is low to stay grass under oblique i.e. oral area.Again because there is telescopic and lower wide bar (8), grass cutting collection box is made to pick and place space; The constriction on the top of bar (8), and upper handrail upwards curved reaching enhance ornamental with the angle of bar 85 degree, and more convenient operation.
Because both sides are provided with the artificial foot protection plate (1) containing turning joint in the middle part of described mower, be made up of protective plate (1a) and turning joint (1b); And described protective plate profile is the waveform namely having two bigger of foot-shape; Described protective plate be with shore hardness 65 to 95 material make, therefore have protective action.
With the mini-size tillage machine of the four-stroke engine of miniature propane fuel tank, four-stroke engine containing miniature propane fuel tank, and the rotovator containing multiple safety measures, by the servo-actuated upper guard board of safety and the servo-actuated rear backplate of safety and the safe retaining frame in left and right, reduce foundry loam, cut-out twines grass, with folding type and push away the two dynamic security protection measure of button, there is no maloperation, safety compliance more, is convenient to observe, improves work efficiency, safe resistance fork is taken turns not easily crooked and is easy to guiding, and moving apron detachably can reduce cost of transportation.Mining combustion gas falls in noise abatement.Combustion gas is gaseous state under normal temperature normality, enters engine in a gaseous form, can realize mixing more uniformly with air, makes burning more abundant, is expected the discharge capacity reducing carbon monoxide and hydrocarbon, particulate emissions is improved.The flame stability of combustion gas is lower, and in-cylinder combustion temperature declines, and the discharge of oxynitrides is reduced to some extent.It is low when using gasoline that combustion gas makes the toxicity of noxious emission compare.Seldom there is the composition of harm containing aromatic hydrocarbon etc. in discharge.Because combustion gas does not form oil film at admission line wall, also cold conditions enriching will be carried out unlike gasoline, therefore the discharge in starting 40 seconds and in warming-up is better than gasoline engine.The discharge stability of combustion gas is high, and the discharge of pernicious gas can not because of the reformation of engine and aging and increase.The evaporation of seal aspect and Leakage are also less.The octane number of combustion gas is higher.The burning-point of combustion gas is higher than gasoline, and boundary of catching fire is wider than gasoline, compares gasoline safety.The sky combustion of combustion gas more easily adjusts, and burns more stable, and running is comparatively steady, can reduce noise and the reinforcing security of complete machine.LPG fuel tank is easy to general containing miniature propane fuel tank, and multinational market is welcome.
With a hay mower for the pushing riding of the engine of LPG fuel tank, main improvement is that hay mower front portion is provided with and enters careless bar containing reverse hook teeth; In the middle part of mower, both sides are provided with the artificial foot protection plate containing turning joint; Mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose; Particularly be equipped with anechoic trap (containing hush tube and tank); With water for counterweight, reduce cost of transportation; With foot-operated assistance from walking; Add hush tube, make noise abatement; Add protective plate, guarantee safety; Also make pressure grass centering; Be that resultant effect is conducive to grazing, counterweight, noise reduction, cooling, energy-conservation, environmental protection, careless mower is pressed on the lawn of soil moisture conservation and safety.With its four-stroke engine containing miniature propane fuel tank of fuel gas tank, mining combustion gas falls in noise abatement.Reduce the discharge capacity of carbon monoxide and hydrocarbon.The discharge of combustion gas in starting 40 seconds and in warming-up is better than gasoline engine, and complete machine safety is good.Fuel tank is easily changed.The described engine with fuel gas tank drives mower, described fuel gas tank, also miniature propane fuel tank (20), fuel support (21), fuel band (22) is comprised, the front portion of described miniature propane fuel tank (20) is provided with gas thread (20a), so that described fuel enters the four-stroke engine of described driving mower by pipe joint through mixed airgun controller and works, the front portion of described miniature propane fuel tank (20) be also provided with safety valve (20b) in case in excess of the quota time overflow and play safety effect, the rear portion of described miniature propane fuel tank (20) is provided with tank base disk (20c), and is provided with the base holes (20d) of multiple equal distribution on described tank base disk (20c), described fuel support (21) is provided with pedestal (21d), the rear portion of described pedestal (21d) is provided with rear plate washer (21b) to locate described tank base disk (20c), the both sides of described pedestal (21d) are respectively equipped with semicircular arc support (21c), and the upper each ground, left and right of the semicircular arc support (21c) be respectively equipped with in described both sides is provided with the rectangular frame of band (21a) to connect described fuel band (22), the semicircular arc bracket lip of the wherein side that described fuel support (21) is provided with is provided with carriage mounting plate (21g), and on carriage mounting plate (21g), be provided with installation through hole (21e) and groove (21f) be installed therefore be convenient to fix.
A kind of prefabricated tanks front portion that passes in the prefabricated pipe of shaping mould of the tank method processed of described miniature propane fuel tank has the hydraulic oil of pressure differential to extrude with prefabricated tanks rear portion; Prefabricated pipe is put in the shaping mould (23) extruding tank, pipe device (23q) is squeezed before inserting the high-pressure pump with hydraulic oil sealing ring (23m) in system in the described prefabricated pipe front end extruded in the prefabricated pipe of the longer front portion of the radian of tank, system simultaneously in the described prefabricated pipe rear end extruded in the prefabricated pipe at the shorter rear portion of the radian of tank is inserted and is squeezed pipe device (23h) with after the high-pressure pump of hydraulic oil sealing ring (23m), because of front and back, along undermining radian, palpus its rear portion of pressure differential is bigger, to extrude tank and shaping and welding.
Claims (10)
1. have the hay mower of the engine of LPG fuel gas tank and tank method processed, by its front portion be provided with containing reverse hook teeth enter careless bar (6), the artificial foot protection plate (1) containing turning joint that in the middle part of mower, both sides are provided with, mower rear portion be provided with containing the dual-purpose pedal wheel (3) of taking turns of foot-operated pushing riding and ride (4) and ride seat (5), and the hush tube of anechoic trap (7) and tank I (2) and tank II (9), counter-balanced carriage (10), bar (8), walks control handle (14) certainly, starting control handle (15), and bolt of long stem (13) formed, in the middle part of described mower, both sides are provided with the artificial foot protection plate (1) containing turning joint, by protective plate (1a) and turning joint (1b) and formed with the engine of fuel gas tank, described protective plate profile is the waveform namely having two bigger of the foot-shape of pictograph, described protective plate be with shore hardness 65 to 95 material make, described mower rear portion is provided with takes turns containing foot-operated pushing riding is dual-purpose, by telescopic bar (8), pedal wheel (3), foot-operated (4), ride seat (5) and detachable and rotating support formed, every limit of described pedal wheel (3) has one to ride, and the equal length adjustable of detachable and rotating support, mainly regulates by the way of the telescoping tube of bassoon inner sleeve tubule, control handle, by the bolt of long stem (13) by the mounting hole site on upper handrail, through bolt (13) have an axle sleeve certainly walk control handle, and through being made up of the starting control handle of axle sleeve of bolt (13), described certainly walk control handle and starting control handle all have match with the bar footpath of bolt of long stem (13) and the axle sleeve that fit clearance is little, and upper handrail is upwards curved reaches the angle with bar 85 degree, grass pressing wheel (12), its installation site is axis along mower and symmetry, and the length of described grass pressing wheel is greater than the interior spacing of two front-wheels, along high and bottom surface that the is rear portion of casing is low under the i.e. oral area that the bottom of grass cutting collection box is oblique, the described body of rod entering careless bar (6) is provided with multiple reverse hook teeth, and is provided with spheroid at bar head, described anechoic trap contains hush tube (7) and tank I (2) and tank II (9), and be provided with the counter-balanced carriage (10) of turning joint (10a), the lower end of the lower bend of described hush tube (7) connects with muffler outlet, described tank I (2) its side is provided with through hole (2c), is provided with dewatering outlet (2d) bottom it, it is characterized in that: the described engine with LPG fuel gas tank, is drive mower, described fuel gas tank, also miniature propane fuel tank (20), fuel support (21), fuel band (22) is comprised, the front portion of described miniature propane fuel tank (20) is provided with gas thread (20a), so that described fuel enters the four-stroke engine of described driving mower by pipe joint through mixed airgun controller and works, the front portion of described miniature propane fuel tank (20) be also provided with safety valve (20b) in case in excess of the quota time overflow and play safety effect, the rear portion of described miniature propane fuel tank (20) is provided with tank base disk (20c), and is provided with the base holes (20d) of multiple equal distribution on described tank base disk (20c), described fuel support (21) is provided with pedestal (21d), the rear portion of described pedestal (21d) is provided with rear plate washer (215) to locate described tank base disk (20c), the both sides of described pedestal (21d) are respectively equipped with semicircular arc support (21c), and the upper each ground, left and right of the semicircular arc support (21c) be respectively equipped with in described both sides is provided with the rectangular frame of band (21a) to connect described fuel band (22), the semicircular arc bracket lip of the wherein side that described fuel support (21) is provided with is provided with carriage mounting plate (21g), and on described carriage mounting plate (21g), be provided with installation through hole (21e) and groove (21f) be installed so that fixing, the main body of described fuel band (22) is braid over braid, one end of described braid over braid is sewn together with the plastic with two oblong aperture (22a), one section of described braid over braid is sewed the magic band (22b) of multiple hard hook, and another section of described braid over braid then sews soft flannelette (22c) to have the magic band (22b) of multiple hard hook to match with described, the four-stroke engine of described driving mini-size tillage machine lies on described fuel support (21) with miniature propane fuel tank (20), and is fastened by described fuel band (22), a kind of prefabricated tanks front portion that passes in the prefabricated pipe of shaping mould of described tank method processed has the hydraulic oil of pressure differential to extrude with prefabricated tanks rear portion, prefabricated pipe is put in the shaping mould (23) extruding tank, pipe device (23q) is squeezed before inserting the high-pressure pump with hydraulic oil sealing ring (23m) in system in the described prefabricated pipe front end extruded in the prefabricated pipe of the longer front portion of the radian of tank, system simultaneously in the described prefabricated pipe rear end extruded in the prefabricated pipe at the shorter rear portion of the radian of tank is inserted and is squeezed pipe device (23h) with after the high-pressure pump of hydraulic oil sealing ring (23m), because of front and back, along undermining radian, palpus its rear portion of pressure differential is bigger, to extrude tank and shaping and welding.
2. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the four-stroke engine of described driving mini-size tillage machine is closely-pitched to be tightly connected with the screw thread of the gas thread (20a) that the front portion of miniature propane fuel tank (20) is provided with.
3. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: to be tightly connected when the screw thread of the gas thread (20a) that the four-stroke engine of described driving mini-size tillage machine is provided with the front portion of miniature propane fuel tank (20) is 3/4.
4. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the four-stroke engine of described driving mini-size tillage machine is that after heat treatment its hardness reaches 27.5HRC to be tightly connected with the screw thread of the gas thread (20a) that the front portion of miniature propane fuel tank (20) is provided with.
5. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the screw thread of the gas thread (20a) that the four-stroke engine of described driving mini-size tillage machine is provided with the front portion of miniature propane fuel tank (20) is that the volume fraction of after heat treatment its retained austenite scale of construction is less than 3% to be tightly connected.
6. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the end of the screw thread of the gas thread (20a) that the four-stroke engine of described driving mini-size tillage machine is provided with the front portion of miniature propane fuel tank (20) is provided with rubber seal to be tightly connected.
7. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the tank base disk (20c) that the rear portion of described miniature propane fuel tank (20) is provided with is provided with the base holes (20d) of six equal distribution so that the rear plate washer (21b) be provided with the rear portion of the pedestal (21d) of described fuel support is located.
8. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the main inner profile curve that the both sides of described pedestal (21d) are respectively equipped with semicircular arc support (21c) is one section that equiangular spiral that pressure angle is equal everywhere is also called logatithmic spiral, also to have the near bag of multipoint pressure corner connection to embrace pressure when shake is trembled.
9. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: be provided with screw thread to save a fixing nut in the installation through hole (21e) that the carriage mounting plate (21g) that the semicircular arc bracket lip of the wherein side on described fuel support (21) is provided with is provided with, and the installation groove (21f) that described carriage mounting plate (21g) is provided with is bending groove also can locate when certain hold-doun nut drops.
10. according to claim 1 have the hay mower of the engine of LPG fuel gas tank and tank method processed, it is characterized in that: the main body of described fuel band (22) is the wide braid over braid of 30mm, and one of described braid over braid section of magic band (22b) having the 28mm of multiple hard hook wide of sewing, another section of described braid over braid then sews the wide soft flannelette of 29mm to have the magic band (22b) of multiple hard hook to match with described, is also not grieved finger with the narrower magic band (22b) of multiple hard hook.
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| CN201410773826.1A CN104663110A (en) | 2014-12-03 | 2014-12-03 | Lawn mower with engine with LPG (liquid propane gas) fuel tank unit and production method of LPG fuel tank unit |
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Address after: 315403 Yuyao, Zhejiang Jin Feng Road, No. 58 Applicant after: NINGBO DAYE GARDEN EQUIPMENT STOCK Co.,Ltd. Address before: 315403 Yuyao, Zhejiang Jin Feng Road, No. 58 Applicant before: NINGBO DAYE GARDEN EQUIPMENT Co.,Ltd. |
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Application publication date: 20150603 |