CN105431346A - Compact pulling apparatus - Google Patents

Abstract

A compact pulling apparatus (100) includes a watertight elongated housing (104) extending along a longitudinal axis (105) and a track (102) disposed around the housing (104) along its longitudinal axis (105). The track (102) enables the apparatus (100) to move when rotatably driven around the housing (104). Depending on the implementation, the apparatus (100) can include a generator/motor (202) to selectively produce electricity which can power external equipment and rotatably drive the track (102), and/or a fuel-power engine (200). The apparatus (100) further includes a power train assembly by which the rotating output power is transmitted from inside to outside the housing (104) by the power train assembly using at least one rotatable shaft section sealingly extending across a corresponding one of the walls of the housing (104).

Description

Compact tractor equipment

The cross reference of related application

This application claims the rights and interests of the U.S. Patent application No.61/844893 submitted on July 11st, 2013, the full content of this application is incorporated to herein by reference.The application also relates to the U.S. Patent application No.13/907471 of submission on May 31st, 2013, the U.S. Patent application No.13/650965 U.S. Patent No. 8528672 of on September 10th, 2013 (be the date be now) submitted on October 12nd, 2012, the U.S. Patent application No.13/650925 U.S. Patent No. 8453769 of on June 4th, 2013 (be the date be now) submitted on October 12nd, 2012, the PCT patent application No.PCT/CA2011/050202 that on April 15th, 2011 submits to, and the U.S. Provisional Patent Application series No.61/342538 that on April 15th, 2010 submits to.The full content of the application of these cross references is incorporated herein by reference.

Technical field

The technical field of the application relates to can in the upper compact tractor equipment exercised of difficult landform (as covered snowy, sand, dirt etc. landform).

Background technology

Proposed the equipment that some can travel in difficult landform in recent years.Many kinds in these equipment relate to can by the compact device driving the crawler belt rotated to promote people's (such as ski personnel) or pull by motor.Example is found in the document US-4519470 (Allisio) that the document FR-2431304 (Jaulmes) that can announce on February 15th, 1980 and on May 28th, 1985 announce.Also there is other examples many.These equipment great majority adopt engine petrol to drive crawler belt to rotate.Some equipment are had to use electric notor.Such equipment can be useful as light-duty transportation means, is particularly exercising the place being difficulty or being forbidden by order with larger vehicle.Such as, in the landform that surface coverage is snowy, accumulated snow may too in powdery or blocked up, so that cannot allow to use the upper motor bike (snowmobile) of snow.Another advantage of this equipment is, for larger heavier vehicle (the upper motor bike of such as snow), is placed on by this equipment and another vehicle carries out transport will adds much simple and convenient.

It's a pity, in those equipment previously mentioned, none is disclosed is the very severe strict place of winter conditions that can be applicable to completely well suffer from some time in the middle of 1 year, and may be useful at these local this equipment.Such as, perishing temperature can reduce reliability and the range of the battery-powered equipment of its electric notor greatly.In the case of gasoline engines, cold snap and the thermal from driving engine release get up to cause at the sensitive part accumulation ice of equipment and thick close accumulated snow.In addition, relatively mild temperature can cause in water infiltration equipment, causes being difficult to the fault of repairing, particularly when far away from the depths of the forest or when being not easy the local et out of order arrived.

Previously mentioned equipment also cannot carry electrical generator easily to the place being difficult to arrive.Other several restriction is also existing challenge.

The compact tractor equipment disclosed in PCT/CA2011/050202 (announcing with WO2011/127607 on October 20th, 2011) of submission April 15 in 2011 of applicant and method provide the extraordinary scheme that can overcome a large amount of restriction and the challenge be associated with the equipment proposed before.However, always need and expect the improvement of the many different aspects to basic conception, to improve technology in the art further.

Summary of the invention

According to an aspect, provide a kind of compact tractor equipment, it comprises: the shell of the waterproof of lengthwise, this shell Axis Extension along the longitudinal, and this shell has multiple outer wall; Crawler belt, this crawler belt is arranged in the outside of shell along described longitudinal axis, and can be made described equipment moving when this crawler belt drives and rotates around described shell; At least one drives the motor of crawler belt, and it is for generation of the rotation outputting power making described caterpillar drive, and the motor end wise of at least one driving crawler belt described is arranged in described shell; And power driving module, this power driving module is supported by described shell, and set up described at least one drive the motor of crawler belt to transmit with the torque between described crawler belt to engage, described power driving module comprises: the main drive shaft longitudinally arranged, this main drive shaft is positioned in described shell at least in part; Horizontal axle shaft; And change speed gear box, this change speed gear box has input and output, be connected to the described main drive shaft longitudinally arranged, and described output is connected to described horizontal axle shaft with driving described input queued switches; Wherein, described rotation outputting power utilizes at least one rotating axle section to be sent to the outside of described shell from the inside of described shell by described power transmission chains assembly, and at least one rotating axle section described extends through the corresponding outer wall in described multiple outer wall of described shell hermetically.

According on the other hand, provide as shown in the figure and/or as described and/or as described in the compact tractor equipment of instruction.

According on the other hand, provide for as shown in the figure and/or as described and/or as described in the compact tractor equipment of the instruction method of ventilating.

According on the other hand, provide for construct as shown in the figure and/or as described and/or as described in the method for compact tractor equipment of instruction.

The various aspects conceived are proposed and the particular content of feature becomes obvious by below with reference to the detailed description of accompanying drawing.

Accompanying drawing explanation

Fig. 1 by according to the isometric view of compact tractor equipment example that manufactures of proposition design;

Fig. 2 is for being configured to the lateral plan of the device examples used together with hanging sled with unit affinity shown in Fig. 1;

Fig. 3 is the left view of unit affinity shown in Fig. 1;

Fig. 4 is that the axle that waits of equipment shown in Fig. 1 surveys back view, for some parts that this equipment is not shown of illustrative purposes;

Fig. 5 is for depicting the schematic plan of the motor structure example of device interior shown in Fig. 1;

Fig. 6 is for removing the isometric view of equipment shown in the Fig. 1 after side plate;

Fig. 7 shows half schematic view of the wind circulation example of device interior shown in Fig. 1; And

Fig. 8 by according to the isometric view of another example of compact tractor equipment that manufactures of proposition design.

Detailed description of the invention

Fig. 1 is the isometric view of example that basis institute proposes the compact device 100 of design.This equipment 100 comprises endless track 102, and this endless track is arranged around the water proof case 104 with lengthwise form (elongatedform).Shell 104 along the longitudinal axis 105 extends.Crawler belt 102, around the external rotating of shell 104, makes equipment 100 can such as cover snowy movement over ground on ground.Crawler belt 102 can be made up of rubber or other poly-mer.Other material can also be used.Equipment 100 almost can in any surface (such as paved road, sand etc.) upper use.

It should be noted that it is waterproof that the saying of " waterproof " shell is meant to its structure in this point, but there is ventilation circuit in the inside not getting rid of shell 104.Such as, when the temperature of the inside of shell exceedes upper threshold value (such as more than 25 DEG C), ventilation circuit makes it possible to cool the inside of shell 14.Other temperature value is also fine.Under cold weather conditions, ventilation circuit can also be used for the inside of shell 104 warming.

Shown by the application that the outside of equipment 100 is as shown in Figure 1 announced on October 20th, 2011 with WO2011/127607 before being roughly similar to applicant.But this equipment 100 comprises the many improvement to applying for disclosed equipment before.

Shown equipment 100 comprises the motor of at least one track propulsion, moves to make crawler belt 102 for generation of rotation horsepower output.Motor is arranged in shell 104 by end wise, and can be such as internal combustion engine and/or the electric notor of fuel driven.The equipment 100 of example shown comprises driving engine and electric notor.In addition, electric notor is the electromechanical with power electric generator pattern and electric notor MODE, and in power electric generator pattern, it can utilize the rotation horsepower output from mechanical sources to generate electricity, and in electric notor pattern, it can utilize the electric power from battery to produce rotation and power is shown.However, the electromechanical of electric notor (namely not having generator mode) can also be using only in certain embodiments, or be only the electromechanical of electrical generator (namely not having electric notor pattern).Equipment as shown in Figure 1 only can also comprise electric notor and not have driving engine (i.e. pure electricity) or only have driving engine (namely wherein not having electromechanical).

For simplicity, electromechanical will be called as " motor/generator " in this manual.Statement " motor/generator " uses in a generalized form, and means that covering only has motoring mode, only has generator mode or the electromechanical of the two.Other pattern is also fine.

Equipment 100 comprises the handle 106 be connected with shell 104.Handle 106 roughly extends towards the rear portion of equipment 100.As Fig. 1 in the mode of half principle illustratively, the far away of this handle 106 comprises handrail 108 to end, this handrail be used for hand-held by the operator 110 standing in equipment 100 rear portion, such as Fig. 1 is in half principle mode illustratively.As required, the proximad end of handle 106 can be attached to the left and right sides of shell 104 pivotally or regularly.When pivoting, block or analogue such as can be utilized to be limited in by the pivoting angle of handle 106 relative between the minimum angles of horizontal direction and maximum angle.Can expect to utilize this structure to prevent the far away from ends contact ground of handle 106.Numerous modifications is also fine.

Operator 110 has one or more control setup part that can be arranged on the handrail 108 of handle 106, and described control setup makes it possible to running velocity and other function of control convenience 100.Control piece can be utilized electric wire and/or is connected with shell 104 by wireless communication devices.If necessary, electric wire can extend in inside between end in the proximad end of handle 106 and far, thus protection electric wire is not frayed and damage.

It should be noted that and can dispense handle 106 in certain embodiments, such as, when equipment 100 is parts of another machinery.Two or more equipment 100 can also be used in same machinery.

In FIG, the operator 110 of equipment 100 stands on sled 112 (or equivalent).Operator 110 utilizes handrail 108 gripping handle 106, thus is pulled by equipment when equipment 100 travels forward.Operator 110 can change the direction of equipment 100 by the handle 106 that laterally moves along the direction contrary with turn direction.The action that the operator of this Operation & use conventional small lawnmower or analogue takes is similar.When sled 112 is at snow or when exercising on ice, operator 110 can take the mode of walking to follow equipment 100, or in sled, even utilize pulley means to follow equipment 100, this depends on surface state.Such as, pulley means can comprise and is operatively connected to shell 104 drawing-type unit below.Drawing-type unit can comprise the tire that is engaged with ground and be arranged on the upper mounting plate above the tire that is engaged with ground, and this upper mounting plate is for receiving the pin of the operator 110 stood.Multiple modification can also be had.

Shell 104 is lower suspension (low-slung) formulas, to keep its center of gravity low as much as possible.The center of gravity of equipment 100 is relatively low.In FIG, it is in the At The Height below the knee of operator 110.

According to pattern, the device allowing equipment 100 can lay in himself motor energy can be provided.This will be very useful in some cases.The control setup that can also arrange one or more levers or other types carrys out operational brake.Such as, lever (this lever is such as similar to the lever that bicycle or motor bike are arranged) can be set on handle 106.As requested other elements can also be set on handle 106, such as lamp, indicating compass etc.Other configuration and device can also be had.

Shell 104 comprises lateral sidewall 140 on every side.Shell 104 such as can be made up of metallic material and/or plastic material.Aluminium (comprising the alloy of aluminium) is may examples of materials for the one of shell 104, because this material lightweight and firm.It can also be other materials.Lateral sidewall 140 can be fixed or remove.As the alternative ground of use side door or except using one, " other places of individual or more side door, removable lateral sidewall 140 can contribute to all parts led in shell 140.When equipment 100 moves, the lateral sidewall wall 140 on the sidepiece of shell 104 is closed in the mode of waterproof.They can through bolted joint to and/or be otherwise attached on the remainder of shell 104.The miscellaneous part of shell 104 is configured to prevent water from immersing, and when therefore keeping operation, the inside of shell 104 is dry.

Fig. 2 is the isometric view of the example of the equipment 100 being similar to Fig. 1, but it is configured to use together with hanging sled 120, and the user 110 on hanging sled stands in the rear portion place of equipment 100.Sled 120 comprises suspension member 122, and this suspension member 122 is connected to strut member 124, and in the example shown, this strut member has the form of straight shape lateral struts.This lateral struts 124 can also bend towards rear portion at centre place wherein slightly.The corresponding side plate 126 of lateral struts 124 two of stretching out with the top towards shell 104 supports.The suspension member 122 of sled 120 comprises two retention arms, and this retention arm is attached to header board 128 and can around roughly vertical axis pivotable, and header board 128 is combined with tightening member 130 at this vertical axis place.Tightening member 130 can horizontally slip along lateral struts 124, such as, by means of two pulleys be located at respectively on tightening member 130 both sides.Therefore, clamp structure 130 can towards of a lateral struts 124 end motion, and this contributes to maneuvering device 100 and reduces the effort of paying needed for operator 110.The left-right rotation (roll) of sled 120 can pass to shell 104, and vice versa.Operator 110 can by laterally transmitting its body wt and the left-right rotation action of control convenience 100 on sled 120.But the action around pitch axis (pitchaxis) and swing shaft (yawaxis) is still freely between equipment 100 and sled 120.Various modification can also be had.

Shown sled 120 is mainly designed to frozen surfaces, such as snow or ice.But it also can be used on the ground of other types, such as, be coated with the surface of grass, loosen the soil, husky etc.Also to arrange wheel below sled 120, so as can asphalt surface or lay stone road surface on travel over long distances.Other modification can also be had.

When exercising forward, equipment 100 is pull operation person 110 together, and also transports carrier agent when needed---and be such as placed on and mounted to the sledge 120 of equipment 100 and/or be placed on the carrier agent in the outer support above crawler belt 102.This kind equipment 10 can pull the load being equivalent to himself weight twice like a cork in powdery accumulated snow.Outer support such as can be supported by the side plate 126 added, and this side plate 126 is located at the diverse location place on the top of shell 104, as shown in the figure.Modification can also be had.

Equipment 100 easily can pull the load equaling himself weight at least twice on snowfield.Such as, use the testing equipment of great about 135kg (300lbs) to illustrate the load weighing 450kg (1000lbs) can be pulled the distance of 640km (400 miles) by this equipment 100 with the average velociity of about 14km/h (9MPH) when being equipped with the single Fuel Tank of 60 liters of fuel.When dragging appropriate load, equipment 100 can travel the distance of about 1200km (750 miles) with the average velociity of about 20km/h (12.5MPH) when being equipped with the single Fuel Tank of 60 liters of fuel.

Equipment 100 is widely used.One of them relate to search and rescue imperative duty, especially those corresponding to difficult and/or unstable topography, restricted clearance or in disaster area on occur accident those search and rescue imperative duty.Certain operations even can be carried out under the environment with above whole difficulty.Example is the rescue mission in underground environment (such as ore deposit or paintpot), and in this underground environment, victim needs pull out hazardous location by rescuer and carried earthward through a segment distance by slype.Another example is the rescue mission after snowslide, and now surrounding environment is rather unstable.Be noise minimization and spend the time on this sight to be key factor.

Often kind of accident has some consistent characteristics and potential danger for rescue troop.Therefore, in any life-threatening situation, always need under many difficult conditions, search and rescue operation to be carried out with maximal efficiency.Equipment 100 can help to realize this target.By equipment 100, even rescuer also can rapidly close to remote locations in very difficult environment, bring search and rescue aid, find and/or stable victim with rising, it is saved out from extremely urgent danger, and it is transported to other places with stretcher, such as another withdraws vehicle and/or other medical personnel.Victim is saved out from extremely urgent danger such as comprise utilize be attached to equipment 100 rope and utilize equipment 100 to pull and someone be pulled away from from cave or steep cliff.Then, victim can be placed on sled or analogue to withdraw.The search and rescue aid that can be carried by equipment 100 and stores comprise medical supplies, mobile life device for supplying, (supply that may need of such as rope, safety strap, spader, lifesaving appliance, woollen blanket and fire extinguisher, in addition electronic machine such as sensor, telecommunications devices, global positioning system (GPS) etc. and any other kind, comprises other article such as tent, Food and water, temperature booster etc. to salvage plant.Various modification can be had.

Fig. 3 is the left view of equipment 100 shown in Fig. 1.

Fig. 4 is that the axle that waits of equipment 100 shown in Fig. 1 surveys back view.In order to illustrative purpose, shown equipment 100 does not have crawler belt 102, the lateral sidewall 140 do not had on the both sides of shell 104, does not have some parts of shell 104 inside yet.As shown in the figure, except left and right lateral sidewall 140, shell 104 comprises roof 142, diapire 144, antetheca 146 and rear wall 148.In the example shown, interior room 152 front in shell 104 inside is separated with rear interior room 154 by rear inwall 150.Rear inwall 150 can be configured to the structure strengthening shell 104.Modification can also be had.Such as, the outer shape of shell 104 can be different from shown.The inside of shell 104 can be different from shown.The inside of shell 104 can be configured to have single interior room or more than two interior rooms.

At least one front wheel can be rotatably connected to the front portion place of shell 104, for being supported around axis of pitch by crawler belt 102 and bending.In the example shown, two isolated front wheels 162 are provided with.Front wheel 162 coaxially installs (Fig. 5) around front horizontal axletree 164, and this horizontal axletree is such as put the oil by the inside of the front side plate 166 being connected to two opposite longitudinal extensions in end the axle support of fat.Front side plate 166 is firmly connected to the front portion of shell 104.Front wheel 162 is constructed and arranged to the inner side of engaging track 102.Similarly, at least one rear roller is rotatably connected to the rear portion place of shell 104, for making crawler belt 102 around axis of pitch support and bending.In the example shown, two rear rollers 170 are provided with.Rear roller 170 is coaxially installed around rear horizontal axletree 172, and this horizontal axletree is supported by the bearing 178 of the rear quarter panel 174 being positioned at two opposite longitudinal extensions in its end.Rear quarter panel 174 is firmly connected to the rear portion of shell 104.Rear roller 170 is constructed and arranged to the inner side of engaging track 102.Shown roller 170 is smooth on the periphery thereof, but can arrange teeth portion around roller 170 in certain embodiments.Other devices can also be set and construct so that crawler belt 102 is supported around shell 104.

In the example shown, on the outer top side of roof 142, end wise is provided with slide rail 160 on a pair.On the outer bottom side of diapire 144, end wise is provided with a pair glidepath similar to the slide rail of roof 142.Slide rail is supported by the low-down narrow material webs of friction coefficient.Their allow crawler belt 102 friction between the inner face of crawler belt 102 and the outside of shell 104 to rotate around shell 104 when reducing.They are also as allowing crawler belt 102 and the longitudinal axis of equipment 100 keep the guiding piece aimed at.Slide rail 160 can extend beyond the rear ends several centimetres of roof 142 and diapire 144 with the almost whole length support crawler belt 102 along equipment 100.As shown in the figure, these ends are bending.If needed, slide rail 160 can be operatively connected to shell 104 and use together with a pair that engages with the inner face of crawler belt 102 or more multipair less roller and/or wheel.These small-sized rollers and/or wheel can reduce the friction between the inner face of crawler belt 102 and the outside of shell 104 further, especially equipment 100 be used in be coated with on husky surface time.Modification can be had.

As shown in Figure 1-Figure 3, front bumper 168 is located at the front portion place of shown equipment 100.The opposed end of front bumper 168 is connected with lateral sidewall 140.In the present embodiment, front bumper 168 removes when lateral sidewall 140 removes.Sufficient gap is provided with, to prevent crawler belt 102 and front bumper 168 from interfering when equipment 100 operates between the inside of front bumper 168 and front wheel 162.Equipment 100 can be configured to do not have bumper/spoiler.

As shown in Figure 4, the bottom side of shell 104 is convex at its center, and the front portion of diapire 144 limits relative to horizontal angle.In the example shown of equipment 100, increase about 3cm at the front portion place of crawler belt 102 and rear portion place.This middle body corresponds to about 1/3rd length of shell 104.Specifically, this elevated configuration be conducive to allowing equipment 100 turn on rugged ground (such as at asphalt surface or cement pavement) or manually this equipment of pivotable time rotation action.Front horizontal axletree 164 is higher than rear horizontal axletree 172.This contributes to clearing the jumps.Modification can also be had.

Equipment 100 comprises power driving module, and it is supported by shell 104, and the transmission of torque set up between the motor of the driving crawler belt in shell 104 and the crawler belt 102 outside shell 104 engages.Utilize the rotation outputting power from the motor of the driving crawler belt of shell 104 inside to rotate by crawler belt 102, equipment 100 will be made to move on the ground.

Power driving module comprises the axle drive shaft 270 longitudinally arranged, this axle drive shaft is at least partially disposed in shell 104.The overwhelming majority (if not all) of axle drive shaft 270 is positioned at shell 104.

Axle drive shaft 270 can have the form of single integrated pipe, or comprises two or more individual part, has pushing device, such as power-transfer clutch etc. between these parts.Power driving module also comprises change speed gear box 302, and it is inner or outside that this change speed gear box can be positioned at shell 104.Change speed gear box 302 has input and output.Be connected to the main drive shaft 270 longitudinally arranged this input queued switches.This output is connected to horizontal axletree with driving.

In the example shown, rear roller 170 is that the rotation outputting power of utilization from the motor of the driving crawler belt of shell 104 inside is to drive the roller of crawler belt 102.The rear wall 148 of shell 104 keeps by the bearing 180 sealed, and this bearing is arranged for and is sealed by the binding site of the rearward end at the rear portion 274 around the axle drive shaft 270 stretched out from shell 104.This feature expects, can keep the inner sealing of shell 104 and to stop water to enter in shell.Not by the hole of opening from shell 104 chain out.The Outboard Sections of axle drive shaft 270 is connected to change speed gear box 302 with driving, and rear horizontal axletree 172 is connected to this change speed gear box with driving.In this example, change speed gear box 302 is positioned at shell 104 outside.It is also positioned near the central authorities of horizontal axletree 172.Modification can be had.

Can also use and can the sealing of transmission arrange, instead of the bearing on rear wall 148.This bearing also can be arranged in shell 104.

It should be noted that before the tectonic sieving of equipment 100 can being become, horizontal axletree 164 is the axletrees driving crawler belt 102.In other embodiments, crawler belt 102 can drive from the sidepiece of shell 104, instead of drives from its front and/or rear, and change speed gear box 302 is positioned at inside.Horizontal axle shaft extends on the side or both sides of shell 104, and this can be used to the transmission of torque set up with crawler belt 102 and engage.The end extending through lateral sidewall 140 of horizontal axle shaft can comprise and being tightly connected of corresponding lateral sidewall 140.Other modification can also be had.

The change speed gear box 302 of example shown comprises internal reduction gear mechanism between input and output.Therefore it be configured to reduce the velocity of rotation between its output and output, thus increase torque with identical ratio.Therefore, the rotative speed of axle drive shaft 270 is faster than the rotative speed of rear horizontal axletree 172.Therefore, internal speed reduction gear mechanism such as can comprise the worm screw be meshed with corresponding gear.This layout also allows being arranged vertically between input and output.Various modification can also be had.The deceleration that can also be used in shell 104 is arranged, it comprises transmission device, and/or the transmitting ratio between the input and output of change speed gear box 302 does not change.

In addition, the internal reduction gear mechanism of change speed gear box 302 can comprise the internal gear with self-locking structure.Therefore, change speed gear box 302 is self-locking under car-parking model, unless its input is rotated by axle drive shaft 270.In other words, the external torque applied in its output can not allow input rotate.This feature is very useful, such as can stop equipment 100 because of gravity on abrupt slope autonomous travel.This mechanism can utilize the steeper angle between rotating element and become self-locking.Can also modification be had, and this feature can be omitted completely in certain embodiments.

In the example shown, rear horizontal axletree 172 can comprise brake disc 176.Corresponding brake pad is attached to shell 104, and is mounted to the displaceable system can actuated from handrail 108 by operator 110 when needing braking force.Other configuration and layout can also be had.Such as, the brake disc being coaxially arranged in and axle drive shaft 270 being also firmly attached to this axle drive shaft can be included in shell 104.This can keep brake disc 176 and the clean drying again of corresponding brake pad thereof.

Fig. 5 is the principle birds-eye view of the motor structure depicted in equipment 100 shown in Fig. 1.This view is not necessarily to scale.

As shown in the figure, equipment 100 has electrical generator/motor 202, and it is coaxially directly installed on the axle drive shaft 270 of main longitudinal direction layout.Therefore, in order to saving in weight, rotor and the axle drive shaft 270 of electrical generator/motor 202 form.Main drive shaft 270 is between the output of driving engine 200 towards change speed gear box 302, and rear horizontal axletree 172 is connected to this change speed gear box with driving.Shown equipment 100 also comprises driving engine 200, as described above.Crank shaft in driving engine 200 has crankshaft rotation axis, and it is arranged essentially parallel to longitudinal axis 105 orientation, and the leading section of axle drive shaft 270 connects with the output of driving engine 200.

Power-transfer clutch (such as electric clutch and/or centrifugal clutch) can be penetrated on the end of main drive shaft 270 and/or end, optionally to engage with all parts according to operation mode or to be disengaged.Each power-transfer clutch allows to be engaged by transmission of torque and connected parts connect or depart from connection.Power-transfer clutch can also be one-way mechanism.

In the various possibility embodiments utilizing concept shown in Fig. 5, comprise and use driving engine 200 and electrical generator/motor 202, electrical generator/motor 202 has power electric generator pattern (that is, non-electrical motoring mode).This equipment 100 can comprise first clutch 272 (such as centrifugal clutch), between the leading section of the trailing portion of its rearward end at the leading portion of main drive shaft 270 and axle drive shaft 270.In Figure 5, the first clutch 274 of axle drive shaft 270 is arranged between first clutch 272 and change speed gear box 302.First clutch 272 only engages when the output shaft of driving engine 200 rotates with minimum rotation speed (such as 1500RPM), and compensates rotary speed difference when transmitting.Other numerical value can also be used.So, driving engine 200 can run under speed without load, and equipment 100 can not be allowed to move.

First clutch 272 can also be provided in when driving engine 200 provides torque to generate electricity to motor/generator 202 and keep not engaging, and equipment 100 can not be allowed to move.Then, the velocity of rotation for generating electricity can lower than the minimum rotation speed engaging first clutch 272.However, the power-transfer clutch that electricity consumption can also be made to start or the layout of other kinds, comprise the power-transfer clutch manually booted, instead of centrifugal clutch, engage the driving between the output of driving engine 200 and the input of change speed gear box 302 is connected optionally engage or disconnect.

Other embodiments comprise use driving engine 200 as shown in the figure and electrical generator/motor 202, and electrical generator/motor 202 is constructed or is configured to have power electric generator pattern and electric notor pattern.

If desired, the second clutch 276 between driving engine 200 and electrical generator/motor 202 can be arranged on.Second clutch 276 such as can be arranged between the output of driving engine 200 and the leading section of axle drive shaft 270.It should be noted that and use the object of " first " and " second " to be clearness herein, and without any implication.

Second clutch 276 can be centrifugal clutch and/or remote-operated power-transfer clutch and/or free-wheel clutch.Such as, equipment 100 can be configured to, and its action when low speed (such as 20km/h) only uses the torque from electrical generator/motor 202.Other velocity amplitude is also fine.Then, in order to obtain speed faster, the output of startup and/or tickover 200 will be entered driving joint in main drive shaft 270 by driving engine 200.The setting that equipment 100 can also comprise is, even if driving engine 200 is still available, equipment 100 can also be set to " pure electricity " pattern, such as to reduce noise by operator 110.

If desirably, driving engine 200 can utilize electrical generator/motor 202 and/or special actuator (electric starter such as mounted thereto) to start.Another possible pattern is formed with motor/generator 202 start the engine 200---actuator pattern.Actuator pattern makes without the need to using special actuator, but people still can use it for some reason.If second clutch 276 is free-wheel clutchs, equipment 100 can be configured to use electrical generator/motor 202 to support motoring mode.It should be noted, the embodiment discussed of this section can when having or do not have to use when first clutch 272.Therefore, motor/generator 202 is used as being the sole body to equipment 100 action supply power in opposite direction.However, engine control unit can be used to rotate backward to make driving engine 200, thus along contrary direction driving arrangement 100.So, use reverse gear transmission device (reversinggeartrain) can be saved with saving in weight and cost.However, various modification can also be there is.

In another possibility embodiment, power-transfer clutch is not set, and main drive shaft 270 can be configured to extend to change speed gear box 302 without interruption from driving engine 200.Electrical generator/motor 202 such as can be configured to always to initialize the action of equipment 100 start the engine 200 simultaneously.Driving engine 200 can stop when the speed without load at fast not extremely at least arrival driving engine 200 place of the motion of every secondary device 100.Once equipment 100 action and driving engine 200 start, electrical generator/motor 202 can use in power electric generator pattern instead of electric notor pattern, thus generating is such as to charge to battery.If need extra power, such as, load during equipment 100 pulls and/or when needing climb very steep slopes, electrical generator/motor 202 can also use as electric notor pattern again.Different according to embodiment, the conversion between electric notor pattern and motivation generator mode can automatically and/or manually complete.Should " mixing " operation can be expect, to make the electric power optimization that the use of fuel and equipment 100 transmit.Various modification can also be there is.

Another embodiment comprises and uses driving engine 200 and electrical generator/motor 202 as shown electricly, and electrical generator/motor 202 is constructed or is configured to be used as motivation generator mode or electric notor pattern according to demand and optionally.This embodiment is similar to the embodiment that leading portion describes, but is provided with first clutch 272 in this embodiment.As mentioned before, first clutch 272 can be centrifugal clutch and/or remote-operated power-transfer clutch.So, driving engine 200 can drive electrical generator/motor 202 in motivation generator mode, and does not make equipment 100 move.

Still undesirably, main drive shaft 270 can be configured to use two shaft portions coaxially arranged.The rotor of electrical generator/motor 202 can be connected to outer axial portion, and the output shaft of driving engine 200 will engage in interior shaft portion.Between interior axle and outer shaft, can power-transfer clutch be set, to make interior outer shaft optionally engage each other or be disengaged.Outer axial portion can be made to be disengaged with interior shaft portion, thus avoid in the action of driving engine 200 driving arrangement 100 but without the need to torque from/supply generator/motor 202 time, rotor is in the unnecessary rotation of electrical generator/motor 202 inside.Interior shaft portion is disengaged with outer axial portion, and this can driving arrangement 100 action when not having driving engine 200.

Fig. 6 is the isometric view of equipment 100 shown in Fig. 1, wherein removes side panel 140.As shown, the overwhelming majority of electrical generator/motor 202 is arranged in the rear room 154 of shell 104.The whole front room 152 being positioned at equipment 100 of driving engine 200.Various modification can also be there is.

In front interior room 152 in the example shown, three batteries 206 can be set.Will it is noted that equipment 100 can be designed to there is single battery (asinglebattery).But, in order to for simplicity, generally employ the word " batteries " of plural form.It is also to cover the situation only having single battery.

When electric notor pattern operates, battery 206 supplies electrical power to motor/generator 202, and when power electric generator pattern operates, battery storage electric power.If applicable words, battery 206 can also supply electrical power to the electric starter of driving engine 200.In certain embodiments, operator 110 can start the engine 200, and without the need to directly close to it (such as by remove lateral sidewall 140 one of them with manually, use the start the engines such as stay cord).Battery 206 can store the electric power from electrical generator/motor 202, when it operates under power electric generator pattern.Even equipment 100 is when moving, electrical generator/motor 202 can utilize the mechanical power from driving engine 200 to generate electricity.

When operating under power electric generator pattern, the electric power produced by electrical generator/motor 202 can be utilized for one or more external device and power, such as, utilize and install on the appliance 100 and/or one or more electrical outlet of inside.Electric power can be in the voltage corresponding with household socket (such as at 60Hz or be also 110V or 220V/240V at 50Hz).It can be very favorable for can generating electricity to user's (such as needing the workman at remote districts use power tool or the farm house master away from the farm house of dwelling district and so on) in equipment 100.Other purposes many can also be contemplated to.Have in the equipment 100 of illustrated dimension installation power to be the electrical generator/motor 202 of 4000W to 6000W.Also smaller or greater electrical generator can be installed.Equipment 100 can also comprise inverter etc. only to use battery 206 to provide external power.

When generating electricity for external device, can one or two lateral sidewalls 140 of removing device 100, to cool.Various modification can also be had.

Fig. 6 also show the example for the control panel 306 for electrical management of equipment 100 when generating electricity.Control panel 306 comprises switch, dial plate, electrical outlet etc.It can be positioned at inside or the outside of side panel 140.Inside control panel 306 being positioned at equipment 100 prevents this control panel between equipment 100 moving period to be damaged because of water, dirt and/or impact.By removing side panel and/or control panel 306 can being led to by the hinged lid 132 (Fig. 3) opened before control panel 306.Lid 132 has hinge in top edge, thus when lid 132 is opened, its can protecting control panel 306 from drenching with rain.

Fig. 6 shows the external combustion hopper 204 that the top around shell 104 and crawler belt 102 is installed.This external combustion hopper 204 is supported by side plate 126.Outer support instead of external combustion hopper 204 can also be provided, and only use the Fuel Tank being positioned at shell 104.The Fuel Tank in shell 104 and external combustion hopper 204 can also be used in.Outer support may be used for carrying load, such as tool box and/or cargo compartment and/or outer battery.External combustion hopper 204 such as shown in principle such as roughly can keep the fuel of 60 liters.Fuel is supplied to driving engine 200 by fuel circuit, and this fuel circuit is constructed and arranged to the fluid formed between external combustion hopper and the inside of shell 104 and is communicated with.When outer battery is positioned on outer support, electric wire can be set to form the electrical connection between these outer battery and inside of shell 104.Various modification can also be had.

Different layouts can be used fresh air to be introduced the inside of shell 104.According to embodiment, can use different configurations to alleviate even eliminates foreign matter (such as having liquid form and/or snow grain or the water of ice pellets form, solid debris and/or particle such as broken branch, leaf, sandy soil etc.) and enters in shell 104.These pollutantss can be brought into through air intake with air.

Fig. 7 shows half schematic view of the wind circulation of the inside of equipment 100 shown in Fig. 1.What battery 206 and control desk 306 were illustrative purposes removes.As shown, electrical generator/motor 202 fresh air that the air intake slot 310 near end far away from the handle 106 being located at equipment 100 is pumped in rear interior room 154 is cooled.Therefore, they are relatively high on the ground.Handle 106 comprises hollow tube 312, and the proximad end of these pipes 312 is opened and entered in rear interior room 154.

Handle 106 can be pivotally connected to shell 104 or in position.Air intake slot 310 is oriented to overhead relatively high, thus may invading of water, snow or solid debris is minimized.Air intake slot 310 is also positioned on the side of corresponding hollow tube 312, thus enters because stoping dirt and/or snow when certain reason is fallen on the ground at handle 106.Various modification can also be there is.

In the example shown, electrical generator/motor 202 has the front section 304 that in the past, the inside of room 152 is given prominence to through the opening in rear inwall 150.This front section 304 corresponds to the outlet of the inner air cooling loop of electrical generator/motor 202.The cooling-air circulated in the enclosure interior of electrical generator/motor 202 is discharged by the air discharge port at front section 304 place in front interior room 152.Motor/generator 202 comprises internal fan, and its rotor turns in motor/generator 202 is driven in rotation.Then, air is recycled by air by-pass passage, forms the cooling loop in motor/generator 202.Air on the opposite side of motor/generator 202 out.From motor/generator 202 out can be used in shell 104 Anywhere compared with warm air, such as, for being incubated battery 206 in cold weather environment.Various modification can also be had.

In the example shown, driving engine 200 comprises front air intake 320.This front air intake 320 is by air duct 322 and rear interior room 154 direct flow UNICOM.The front air intake 320 of driving engine 200 is covered by guard shield 324, and an end of air duct 322 is connected to this guard shield.The opposed end of air duct 322 is connected to the periphery in the hole 326 (Fig. 4) of inwall 150 after break-through.In the example shown, for the cooling-air of driving engine 200 all from rear interior room 154.Cooling fan in driving engine 200 produces necessary suction one withdrawing air passing hole 326 and air duct 322.Cooling-air passes through around the cylinder body of driving engine 200, and stops in the inside of front interior room 152.Air for burning can directly aspirate the past interior room 152.It also can aspirate from rear interior room 154.Other modification can also be had.

An advantage of above-mentioned layout is, the air for burning in driving engine 200 is preheated and relatively dry.Therefore driving engine 200 can operate chronically under perishing weather condition, and the ice and snow accumulation risk damaging driving engine 200 potentially is also alleviated even without eliminating completely.

Under in before shown equipment 100 is designed such that, room 152 remains on positive air pressure when operating.This such as can realize by providing the air outlet area less than air inlet region.Such as, the air discharge port slot 330 in before can being used between room 152 and equipment 100 outside.These air discharge port slots 330 can be arranged through the sidewall 140 of equipment 100, as shown in Figure 3, and less than the size of hollow tube 312.Various modification can also be had.Such as, air can in the past in room 152 through there is the outlet pipe of the upper end of the over top at crawler belt 102 out, and/or by the air discharge port on handle 106 out.By allowing a hollow tube 312 be used as entrance and to allow another hollow tube 312 be used as outlet, handle 106 can also have air intake slot 310 and air discharge port slot.If desired, equipment 100 can also be provided with one or more breather pipes to evict from air intake shell 104 and/or by it from shell 104.Breather pipe can be located on the outside of lateral sidewall 140, and upwards extends and must be entered stoping water during the path be temporarily under water by shell 104 on damp ground and maybe very much to be such as used at equipment 100.This scene runs into when running through shallow streams or water body to arrive destination usually.Other configurations many can also be designed and arrange.

The malleation produced in front interior room 152 improves the water-proofness of shell 104.Shell 104 can have the structure of very waterproof until air on handle 106 enters the height of slot 310.In the inside of front interior room 152, keep positive pressure, seeming to alleviate the risk that do not have the position of complete waterproof to leak.

If desired, can arrange the fan of series connection extraly in the flexible conduit being connected to air intake and air discharge port, it can increase air flowing further, if the temperature in front interior room 152 becomes too high.These fans automatically can be connected by the calorstat being provided with temperature sensor.The hollow tube 312 that fan can also be positioned at handle 106 is inner.Other configuration and layout can also be there is.

Small space is provided with between the sidepiece and the inner side of lateral sidewall 140 of battery 206.Air can circulate within this space, until antetheca 146, then turns back on the opposite side between antetheca 146 and front inwall 156.The top side of battery 206 and bottom side (if necessary) such as can use the sealings such as foam strip, thus produce circumferential air loop.Before entering the air loop around battery 206, the air from motor/generator 202 circulates the heat of catching institute's radiation around driving engine 200.

As shown, between driving engine 200 and battery 206, inwall is provided with.Motorization flashboard can be used on the side of this inwall optionally to open and close the air loop around battery 206.Need when battery 206 enough warms up to close air loop to prevent battery overheated.Motorization flashboard such as can be controlled by calorstat and/or other automatic control pieces or manual controls.Various modification can also be had.

Can with outside waste pipe remover apparatus 100 from the cylinder body waste gas out of driving engine 200, this waste pipe has the outlet higher than the top of crawler belt 102.The outlet of waste pipe can be positioned at Anywhere, depending on embodiment.Such as, outlet can be arranged in the space having rear horizontal axletree 172 and two rear rollers 170.This space is partly blocked by the crawler belt 102 of the shell 104 around equipment 100.This structure reduces noise, and may contacting that the skin of operator 110 or clothing can be stoped to export with the heat of waste pipe.Boiler check valve can also be used, to stop water to enter driving engine 200 when driving engine 200 does not operate.Other structure and layout can also be set.

Fig. 8 show based on the isometric view of another example of the compact pulling apparatus 100 conceived is proposed.In this example, motor/generator 202 can only be used in electric notor pattern, because do not use the driving engine that fuel is supplied.More battery 206 can be had, because there is no driving engine.Battery 206 utilizes external power supply to charge.

During use, air can circulate in the air path loop of battery 206, such as, move forward in the space on the left of battery, then in the space of the front portion of front interior room 152 from left side to right side, then return along in the space on the right side of battery 206, afterwards from shell 104 out.The foam element that top side and the longitudinal direction that arranges along its bottom side if required along battery 206 can be utilized in the space at the left side of battery 206 and right side place to arrange is spaced apart from each other.Other structure and layout are also possible.Battery 206 can be remained on optimum temperature by the circumferential air loop in front interior room 152 under cold weather conditions.

In the layout shown in Fig. 8, air passes through a pair air discharge port slot 314 out the far away of handle 106 to end.Therefore, air to enter and by another hollow tube 312 out from a hollow tube 312.Hollow tube 312 its top ends place close, with stop air intake slot 310 and air discharge port slot 314 communicating together in the inside of handle 106.The last sections of ventilation circuit comprises air duct 340, and air can directly be sent in another hollow tube 312 by it, and can not mix with the air entered.Allow air the past interior room 152 out by the hole 326 of inwall after break-through 150.Various modification can also be had.

It should be noted that the structure of the ventilation circuit shown in Fig. 8 can realize in the embodiment of Fig. 1 to Fig. 7, vice versa.By means of the configuration of Fig. 8, shell 104 can have the structure of very waterproof, until the air on handle 106 enters the At The Height of slot 310 and air discharge port slot 314.Then equipment 100 can be immersed in the water constantly, and this can require when equipment 100 must pass through the streams or similar water body of not freezing.

Layout shown in Fig. 8 such as can be modified as and arrange less battery 206 and/or larger shell 104, to provide the goods space of shell 104 inside.Goods space can extend between the inwall 156 of shell 104 and antetheca.This goods space can be used to the device carrying such as self-powered electrical generator, self-powered water pump etc.These devices can be designed to run in the outside of equipment 100 after shifting out from goods space, or are incorporated in the inside of equipment 100.This last feature expects, to avoid processing apparatus.If desired, equipment 100 can be designed to the self-powered electrical generator being provided with integration, it has the electricity linked with the battery in shell 104 and exports, to its charging.Can also comprise air loop, it allows the heat of the electrical generator in self-operating in future to guide towards battery 206, thus to battery thermal under cold weather conditions.Air loop such as can comprise motorization flashboard etc., such as, link to the motorization flashboard of calorstat and servomotor, thus optionally open and close air loop.Various modification can also be had.

If desired, in all embodiments, heater element such as heating wires can be set in the inside of shell 104, thus to battery thermal when battery 206 charges or when cold snap device leaves open air in.Can with external power supply such as domestic power supply etc. to this heating elements.

Except shownschematically, in all embodiments, the proximad end of handle 106 can be connected to other place any of equipment 100.Such as, handle 106 can be configured and be configured so that equipment 100 can easily use with any direction.The left side of the proximad end of handle 106 and right side can be connected on lateral sidewall 140 in the centre of equipment 100, but can have other configuration.This feature to change the sense of motion of equipment 100 favourable constantly so that when turning to 180 degree simply by handle 106 is switched to the other end from one end of shell 104 by equipment 100 without when pivotable shell 104.Such as, if when equipment 100 is on dead end, operator 110 can moving handrail 108 on another side simply, and then equipment 100 can move together backward with the operator 110 stood in thereafter.The equipment of completely reversibility can not have leading section or rearward end, because they can exchange.

Usefully in certain embodiments, shell 104 arranges the attachment being used for scraper plate (plowblade), and described scraper plate is such as arranged on the front portion place of equipment 100.Scraper plate such as may be used for pulling or promote snow and/or ice.Scraper plate can also be used to other materials such as sand, soil, mud etc.Scraper plate can comprise for making scraper plate move into or departing from the elevator system of the joint in ground.Scraper bowl or the fork of the corresponding loading attachment for being attached to shell 104 can also be provided with.Various modification can also be had.

Specification sheets and accompanying drawing are only examples.It will be appreciated by those skilled in the art that and can make various modification and still fall in the framework of design proposed by the invention.

List of numerals

100 equipment

102 crawler belts

104 shells

105 longitudinal axis

106 handles

108 handrails

110 operators

112 skises

120 sleds

122 suspension members

124 strut members (lateral struts)

126 side plates

128 header boards

130 tightening members

132 hinged lids

140 lateral sidewalls

142 roofs

144 diapires

146 antethecas

148 rear walls

Inwall after 150

Room in before 152

Room in after 154

Inwall before 156

160 top slide rails

162 front wheels

Horizontal axletree before 164

166 front side plates

168 front bumpers

170 rear rollers

Horizontal axletree after 172

174 rear quarter panels

176 brake discs

178 bearings

180 bearings

200 engine petroies

202 electrical generator/motor

204 external tanks

206 batteries

270 main drive shafts longitudinally arranged

272 power-transfer clutchs

The trailing portion of 274 axle drive shafts longitudinally arranged

276 power-transfer clutchs

302 change speed gear boxs

304 front section (electrical generator/motor)

306 control panels

310 air intake slots

312 hollow tubes

314 air discharge port slots

Air intake (driving engine) before 320

322 air ducts

324 guard shields

326 holes (rear inwall)

330 air discharge port slots

340 air ducts

Claims (55)

1. a compact tractor equipment (100), this tractor equipment comprises:

The shell (104) of the waterproof of lengthwise, this shell along the longitudinal axis (105) extends, and this shell (104) has multiple outer wall;

Crawler belt (102), this crawler belt is arranged in the outside of described shell (104) along described longitudinal axis (105), and described equipment (100) can be moved when this crawler belt (102) is rotated around described shell (104) by driving;

At least one drives the motor (200 of crawler belt, 202), it is for generation of the rotation outputting power making described crawler belt (102) move, and motor (200, the 202) end wise of at least one driving crawler belt described is arranged in described shell (104); With

Power driving module, this power driving module is supported by described shell (104), and set up described at least one drive the motor (200,202) of crawler belt to transmit with the torque between described crawler belt (102) to engage, described power driving module comprises:

-longitudinal main drive shaft (270) arranged, this main drive shaft is positioned in described shell (104) at least in part;

-horizontal axle shaft (164,172); With

-change speed gear box (302), this change speed gear box has input and output, be connected to the described main drive shaft (270) longitudinally arranged, and described output is connected to described horizontal axle shaft (164,172) with driving described input queued switches;

Wherein, described rotation outputting power utilizes at least one rotating axle section to be sent to the outside of described shell (104) from the inside of described shell (104) by described power transmission chains assembly, and at least one rotating axle section described extends through the corresponding outer wall in described multiple outer wall of described shell (104) hermetically.

2. compact tractor equipment (100) according to claim 1, wherein, the internal speed that described change speed gear box (302) comprises between the described input and described output of described change speed gear box (302) reduces gear mechanism.

3. compact tractor equipment (100) according to claim 2, wherein, it is self-locking that the internal speed of described change speed gear box (302) reduces gear mechanism.

4. compact tractor equipment (100) according to any one of claim 1 to 3, wherein, described change speed gear box (302) and described horizontal axle shaft (164,172) are positioned at outside described shell (104).

5. compact tractor equipment (100) according to claim 4, wherein, described horizontal axle shaft (164,172) extends across the output of described change speed gear box (302).

6. compact tractor equipment (100) according to claim 5, wherein, described change speed gear box (302) is roughly positioned at the central position along described horizontal axle shaft (164,172).

7. the compact tractor equipment (100) according to any one in claim 4 to 6, wherein, the described rotating axle section extending across the corresponding outer wall in described multiple outer wall of described shell (104) is hermetically a part (274) for the described main drive shaft (270) longitudinally arranged.

8. compact tractor equipment (100) according to claim 7, wherein, a described part (274) for the described main drive shaft (270) longitudinally arranged extends through the rear wall (148) of described shell (104), ice is connected to described rear wall (148) hermetically by the bearing (180) of sealing or rotating sealing member, and the output of described change speed gear box (302) is connected to the horizontal axle shaft (172) at the rearward end place being positioned at described equipment (100) with driving.

9. compact tractor equipment (100) according to claim 8, wherein, posterior described horizontal axle shaft (172) utilizes at least one roller (170) to transmit juncture with torque and is connected to described crawler belt (102) with driving, at least one roller described is coaxially installed on posterior described horizontal axle shaft (172) and above also connects with it securely, and described at least one roller (170) engages the inner side of described crawler belt (102).

10. compact tractor equipment (100) according to any one of claim 1 to 7, wherein, the output of described change speed gear box (302) is connected to the described horizontal axle shaft (164) of the front end being positioned at described equipment (100) with driving.

11. compact tractor equipments (100) according to any one of claim 1 to 10, also comprise and are attached to described shell (104) and the outer support be positioned on described crawler belt (102).

12. compact tractor equipments (100) according to claim 11, wherein, described outer support comprises the storage area for carrier agent, and described carrier agent is such as luggage and device.

13. compact tractor equipments (100) according to claim 11, wherein, the electric wiring that described outer support comprises outer battery and extends between described outer battery and the inside of described shell (104).

14. compact tractor equipments (100) according to claim 11, wherein, described outer support comprises external fuel storage bin and extends between described external fuel storage bin and the inside of described shell (104) and be provided in the fuel circuit that the fluid between described external fuel storage bin and the inside of described shell (104) is communicated with.

15. compact tractor equipments (100) according to any one of claim 1 to 14, also comprise the handle (106) had far to end and proximad end, described proximad end is attached to described shell (104).

16. compact tractor equipments (100) according to claim 15, wherein, the proximad end of described handle (106) has left side and right side, and the left side of described handle and right side are attached to corresponding left side and the right side of described shell (104) pivotally.

17. compact tractor equipments (100) according to claim 16, wherein, described handle (106) comprises at least one hollow tube (312), this at least one hollow tube is provided at least one air loop between the inside of described shell (104) and the air openings being positioned at described handle (106), and at least one air loop described is by the pivotal attachment part of described handle (106) and between at least one left side between described shell (104) and right side.

18. compact tractor equipments (100) according to claim 16 or 17, wherein, described handle (106) comprises the device fallen to end on the ground far away for stoping described handle (106).

19. according to claim 16 to the compact tractor equipment (100) according to any one of 18, wherein, the either end place that can be positioned at described shell (104) to end far away of described handle (106), thus by described handle (106) far away to end to the either end pivotable of described shell (104) time, described equipment (100) can along corresponding direction operation.

20. compact tractor equipments (100) according to claim 19, wherein, the far away of described handle (106) is connected to the approximate center of described shell (104) to end pivot.

21. according to claim 15 to the compact tractor equipment (100) according to any one of 20; wherein, described handle (106) be included in described handle (106) proximad end and far to the wire rod internally extended between end not protect these wire rods frayed and damage.

22. compact tractor equipments (100) according to any one of claim 1 to 21, also comprise at least one breather pipe, at least one breather pipe described laterally and up extends to be shed from the position being positioned at described crawler belt (102) by the fresh air in described shell (104) from described shell (104).

23. compact tractor equipments (100) according to any one of claim 1 to 22, also comprise operatively be connected to described shell (104) rear be stowed unit, described in be stowed above the tire that unit comprises ground-engaging and the tire being arranged on described ground-engaging to receive the upper mounting plate of the operator stood.

24. compact tractor equipments (100) according to any one of claim 1 to 23, wherein, described shell (104) comprises the goods space being positioned at described shell (104).

25. compact tractor equipments (100) according to claim 24, wherein, described goods space keeps self-powered device.

26. compact tractor equipments (100) according to claim 25, wherein, described self-powered device integration, and can from described goods space internal operation in described equipment (100).

27. compact tractor equipments (100) according to claim 25, wherein, described self-powered device can remove to operate from described equipment (100).

28. compact tractor equipments (100) according to any one of claim 25 to 27, wherein, described self-powered device comprises the self-powered electrical generator by operating fuel.

29. compact tractor equipments (100) according to any one of claim 25 to 27, wherein, described self-powered device comprises the self-powered water pump by operating fuel.

30. compact tractor equipments (100) according to claim 26, wherein, described self-powered device comprises the self-powered electrical generator by operating fuel, and this self-powered electrical generator comprises for operationally exporting the electricity that the battery (206) in described equipment (100) charges.

31. compact tractor equipments (100) according to claim 30, wherein, described equipment (100) is included in the air loop between the other parts in described goods space and described shell (104), and described air loop is used for providing heat when described self-powered generator operation to described battery (206).

32. compact tractor equipments (100) according to any one of claims 1 to 31, also comprise that to be coaxially arranged on described axle drive shaft (270) upper and be attached to the brake disc of described axle drive shaft securely.

33. compact tractor equipments (100) according to any one of claims 1 to 32, wherein, the motor of at least one driving crawler belt described comprises the electric notor (202) be coaxially arranged on described axle drive shaft (270).

34. compact tractor equipments (100) according to claim 33, wherein, described electric notor (202) receives the electric power from the battery (206) in described shell (204).

35. compact tractor equipments (100) according to claim 34, also comprise inverter unit, this inverter unit receives from the electric power of the battery (206) in described shell (204) to power to one or more external devices.

36. compact tractor equipments (100) according to any one of claims 1 to 35, wherein, described shell (104) comprises inwall (150), and the interior separation of described shell (104) is become front interior room (152) and rear interior room (154) by this inwall.

37. compact tractor equipments (100) according to claim 36, also comprise the ventilation circuit in described shell (104), current at least one the motorization flashboard through being located on described inwall (150) of this ventilation circuit.

38. compact tractor equipments (100) according to claim 36 or 37, wherein, described equipment (100) comprises the device for being forced into the front interior room (152) of described shell (104) under positive pressure.

39. compact tractor equipments (100) according to any one of claim 33 to 38, wherein, described equipment (100) only comprises electric notor (202) to produce the rotation outputting power for driving described crawler belt (102).

40. compact tractor equipments (100) according to any one of claim 36 to 38, wherein, the motor of at least one driving crawler belt described also comprises internal combustion engine (200), this driving engine comprises the crankshaft rotation axis being roughly parallel to described longitudinal axis (105) orientation, described driving engine (200) is connected to the output of the end of described axle drive shaft (270) with having driving, described driving engine (200) comprises the guard shield (324) of integration and built-in ventilator, this ventilator has and is in by corresponding air duct (322) and described rear interior room (154) entrance that fluid is communicated with.

41. compact tractor equipments (100) according to any one of claim 33 to 38, wherein, the motor of at least one driving crawler belt described also comprises internal combustion engine (200) except described electric notor (202), described driving engine (200) has the crankshaft rotation axis being roughly parallel to described longitudinal axis (105) orientation, and described driving engine (200) is connected to the output of described axle drive shaft (270) with having driving.

42. compact tractor equipments (100) according to claim 40 or 41, also comprise first clutch (272), this first clutch allows two parts that to be positioned between described electric notor (202) with described change speed gear box (302) of described axle drive shaft (270) to connect or depart from and connect, and described first clutch (272) is preferably centrifugal clutch or electric operated power-transfer clutch.

43. compact tractor equipments (100) according to claim 42, wherein, described electric notor (202) comprises at least one actuator pattern and power electric generator pattern, described actuator pattern provides rotates outputting power to drive the crankshaft rotation of described driving engine (200) thus to start described driving engine (200), and described power electric generator pattern produces electric power from the rotation outputting power being received in described driving engine (200).

44. compact tractor equipments (100) according to claim 43, also comprise second clutch (276), this second clutch is located between described driving engine (200) and described axle drive shaft (270), and described second clutch (276) is preferably centrifugal clutch, electric operated power-transfer clutch or free-wheel clutch.

45. compact tractor equipments (100) according to claim 44, wherein, the second clutch (276) of described equipment (100) allows described driving engine (200) to be disengaged from described axle drive shaft (270), thus supports the described equipment (100) only in electric notor pattern.

46. compact tractor equipments (100) according to any one of claim 40 to 45, wherein, described crawler belt (102) side by side can be driven by described driving engine (200) and described electric notor (202), such as when abrupt slope or dilatory load, described driving engine and described electric notor all produce some rotation outputting powers and move to allow described crawler belt (102).

47. compact tractor equipments (100) according to any one of claim 40 to 46, wherein said electric notor (202) has power electric generator pattern, this pattern can be actuated to produce braking force when described equipment (100) moves, and utilization is charged to described battery (206) from the torque of braking force.

48. compact tractor equipments (100) according to any one of claim 40 to 47, wherein, described electric notor (202) has power electric generator pattern, and this pattern can be actuated to generate electricity when described equipment (100) moves.

49. compact tractor equipments (100) according to any one of claims 1 to 32, wherein, the motor of at least one driving crawler belt described only comprises internal combustion engine (200), and this internal combustion engine has the crankshaft rotation axis being roughly parallel to described longitudinal axis (105) orientation.

50. compact tractor equipments (100) according to claim 49, wherein, described equipment (100) comprises engine control unit, this engine control unit is reverse by the rotation of described driving engine (200), and drives described equipment (100) along contrary direction.

51. compact tractor equipments (100) according to any one of claim 1 to 50, wherein, described shell (104) comprises at least one side panel, this side panel utilizes upper hinge to be pivotally connected to corresponding wall (140) on described shell (104), and described side panel provides rain cover function when opening.

52. compact tractor equipments (100) according to any one of claim 1 to 51, wherein, described shell (104) also comprises skis (160), this skis has a pair or more multipair roller and/or wheel, and described skis is operatively connected to described shell (104) and can engages the inner face of described crawler belt (102) to reduce the friction between the inner face and the outside of described shell (104) of described crawler belt (102).

53. compact tractor equipments (100) according to any one of claim 1 to 52, wherein, described equipment (100) is included in search on described equipment (100) and rescue device and/or search and rescue article.

54. compact tractor equipments (100) according to any one of claim 1 to 53, wherein, described equipment (100) comprises following at least one item: be attached to the scraper plate of described shell (104), scraper bowl and fork.

55. compact tractor equipments (100) according to any one of claim 1 to 54, wherein, described axle drive shaft (270) comprises two axle sections coaxially arranged.