CN101099004A

CN101099004A - Excavating machine for rocky and other soils

Info

Publication number: CN101099004A
Application number: CNA2005800464999A
Authority: CN
Inventors: J·浩特麦尔
Original assignee: YODER SHAUN
Current assignee: YODER SHAUN
Priority date: 2004-12-08
Filing date: 2005-12-08
Publication date: 2008-01-02
Also published as: WO2006063166A3; WO2006063166A2; BRPI0518643A2; EP1828493A2; US20060117611A1; CA2591111A1

Abstract

A trench excavating machine includes an excavating wheel on which are mounted spaced apart peripheral plates equipped with ripping teeth and spades. The ripping teeth are angled outward from the plates at an acute angle directed in the direction of rotation of the cutting wheel to attack the leading edge of a trench being excavated. Ripping teeth and spades are arranged at varying spacing on succeeding plates about the centerline of the cutting wheel. A transverse conveyor located within the circumference of the cutting wheel transports spoil to the side of the cutting wheel. A spoil deflector removes spoil adhered to the inside of the cutting wheel.

Description

The excavator that is used for rock and other soil

The cross reference of related application

That the application requires to submit on December 8th, 2004, exercise question is the priority of the temporary patent application of 60/634,323 common unexamined for the series number of " excavator that is used for rock and other soil ".The content of the 60/634th, No. 323 temporary patent application with referring to mode include this paper in.

Background technology

Relate generally to of the present invention has the excavator of the type of the equipment that is used for digging earth, comprise the plough of bucket wheel trenching machine, chain shelves trenching machine, trenching machine or non-excavating and hoe, vibratory plough, plate wheel cutting machine, drum-type cutting machine etc., and relate more specifically to be carried on the cutting plate that is used to penetrate rock soil on ditching wheel or the chain.

Well-known excavator is used to have vertically or the cutting in the open drain of skew wall, and this open drain is used for draining and irrigation purposes, comprises agriculture tile work and such as the installation of the communal facility of cable run, pipeline, water piping, sewer circuit etc.These excavators are normally self-contained and suitably driven with long-distance travel or the automobile-used type that moves when using earth to dig device.

Cutting scraper bowl or scraper bowl that existing excavator usually is used for being cut into earth and spoir (spoil) is removed from the irrigation canals and ditches of formation, but these member operation conditions are bad during the rock in running into the earth that will dig.Used annular saw to cut chisley soil already, but these machines excavate spoil from irrigation canals and ditches effectively.In addition, most of trenching machines be installed on the crawler tractor and volume very big, and can damage not be caused on the road surface of advancing in the hard surface travels down.

Need a kind ofly can penetrate chisley soil and the sandy or other earth of not filling rock, and from irrigation canals and ditches, remove the trenching machine of spoir simultaneously effectively.

Summary of the invention

The invention provides a kind of wheel excavator that is installed in a series of space bars on the wheel circumference that comprises.Each plate is provided with outward extending one or more tines of slave plate (ripping teeth) or spike, makes on the wheel spike of plate subsequently with the pattern setting of the layout biasing of spike on adjacent panels.Spike is directed outwardly along the direction of rotation of digging wheel, makes spike be driven against going forward side by side into the soil wall.In addition, be installed in that plate on the wheel circumference can comprise the shovel spare that extends from the leading edge of each plate and outwards tilt a little from the center of digging wheel with grab at first by spike attack than weak soil earth and ground rock.

Excavator is equipped with digging wheel assembly L shaped lifting arm mounted thereto, and it makes the digging wheel assembly can rise on driver element or tractor rear portion or descend with related bottom deck assembly.L shaped lifting arm can apply downward power to wheel assembly.Transverse conveyor can be positioned at the circumference of wheel, makes can fall on the conveyer belt and be moved to the side of the irrigation canals and ditches that excavated at the spoir of the over top carrying of wheel.Removing part with removing face is positioned at the top of digging wheel, and the mode of setting is that it removes the spoir that accumulates on the digging wheel rim construction and spoir is directed on the conveyer belt downwards.

Floor piece is followed the ditching wheel and is passed the irrigation canals and ditches that excavated.Floor piece is cooperated with L shaped lifting arm the fulcrum that prevents the downward force on L shaped arm by hydraulic cylinder is provided, and forces digging wheel to enter irrigation canals and ditches thus and also reduces the quality that wheel is remained on driving tractor required in the irrigation canals and ditches.Driver element is carried on the wheel, and this allows machine betransporteding under himself driving force on the road surface.

Thereby, the purpose of this invention is to provide the excavator that can pass rock soil and pass the ditching of non-rock soil.

Another object of the present invention provides the excavator that can more effectively operate.

Purpose of the present invention also by provide can be on the hard surface road surface with the excavator of rational road surface speed drive.

Another target of the present invention provides the excavator that spoir is removed from the irrigation canals and ditches that excavated effectively.

Can become obvious having read following explanation, accompanying drawing and claim postscript other features and advantages of the present invention.

Description of drawings

Fig. 1 has the front view according to excavator of the present invention of digging device on the ground of raised position;

Fig. 2 has the front view of digging the excavator shown in Figure 1 of device on the ground of ground line;

Fig. 3 has the front view that the excavator shown in Figure 1 of device is dug on the ground of part below ground line;

Fig. 4 has the front view of digging the excavator shown in Figure 1 of device on the ground of irrigation canals and ditches bottom;

Fig. 5 is the top perspective view according to L arm component of the present invention;

Fig. 6 is the face upwarding stereogram of L arm component as shown in Figure 5;

Fig. 7 shows the slidably top perspective view of the L arm component of pillar component at its extended position;

Fig. 8 shows the slidably top perspective view of the L arm component shown in Figure 7 of pillar component at its advanced position;

Fig. 9 is the supporting frame assembly of excavator shown in Figure 1 and the front view of wheel assembly;

Figure 10 is the end view drawing with the rim component of the cutting wheel assembly that has engaging plate mounted thereto shown in the section;

Figure 11 shows tine and shovels the top perspective view of exemplary plate mounted thereto;

Figure 12 is the sectional view along the plate of Figure 11 of the line 12-12 intercepting of Figure 11;

The wheel assembly that Figure 13 A and 13B are mounted in excavator illustrates the diagram of a series of plates on the rim construction that part cuts away;

Figure 14 is the stereogram of the deflection piece of the present invention that carries on the supporting member;

Figure 15 is the fragmentary sectional view of the wheel assembly shown in Figure 9 of 15-15 intercepting along the line;

Figure 16 removes the front view of part and wheel frame assembly according to of the present invention another;

Figure 17 is the top perspective view according to transfer assembly of the present invention, has removed most of endless belt conveyer;

Figure 18 is the face upwarding stereogram of transfer assembly shown in Figure 17;

Figure 19 is the sectional view of the endless belt conveyer shown in Figure 17 of 19-19 intercepting along the line;

Figure 20 is the sectional view of the endless belt conveyer shown in Figure 17 of 20-20 intercepting along the line;

Figure 21 is the lateral view according to bottom deck assembly of the present invention and adjustable groover assembly;

Figure 22 is the bottom deck assembly shown in Figure 21 of 22-22 intercepting along the line and the cross section front view of adjustable groover assembly;

Figure 23 is the top perspective view of obtaining from the adjustable groover assembly of Figure 21 and installation component rear portion;

Figure 24 is the top perspective view of obtaining from the adjustable groover assembly of Figure 21 and installation component front portion;

Figure 25 is the top perspective view of obtaining at the rear portion of adjustable groover assembly shown in Figure 21 in its fastening position;

Figure 26 is the top perspective view of obtaining at the rear portion of adjustable groover assembly shown in Figure 21 at its open position.

The specific embodiment

The present invention has disclosed a kind of improved excavator that earth is dug irrigation canals and ditches that is used to pass.The present invention has especially disclosed a kind of improved excavator that is used to pass the chisley soil ditching.By all or part of invention of one of identical inventor before to the improvement of wheel excavator at United States Patent (USP) the 4th, 890,670,5,873,186,5,943,798 and 6,055, shown in No. 750; Wherein the content of each with referring to mode include this paper in.

Referring to Fig. 1, label 30 is generally represented excavator of the present invention.Excavator 30 comprises the power unit vehicle 32 by wheel 34 supportings.L arm component 36 is installed around the horizontal axis 35 of power unit vehicle 32 pivotally, and L arm component 36 is suitable for rising and descending by hydraulic cylinder 38.Earth is dug assembly 40 and is installed in pivotally on the L arm component 36.The earth of preferred embodiment is dug assembly 40 and is comprised rock wheel trencher assembly 42 and supporting frame assembly 44.Supporting frame assembly 44 is installed around horizontal axis 46 pivotally, digs the part of device of the spacing of assembly 40 as being used to control earth, and should pivoting action by 48 controls of second hydraulic cylinder.Wheel assembly 50 is rotatably installed on the supporting frame assembly 44.Transfer assembly 52 and bottom deck assembly 54 also are installed on the supporting frame assembly 44.

Fig. 1-4 schematically shows the excavator 30 in its all positions scope.Fig. 1 shows when preparing to move to new place, and earth is dug the excavator 30 that assembly 40 rises to its extreme higher position.Fig. 2 shows the earth that is reduced to ground line 55 and digs assembly 40.Fig. 3 shows and partly be positioned at the earth cutting assembly 40 of ground line below 55 when the irrigation canals and ditches 56 in stony soil earth or hard stone 58 begins to excavate.Fig. 4 shows the earth of the position of the bottom 59 in the irrigation canals and ditches 56 in ground 58 and digs assembly 40.

Fig. 5-8 shows and is used to rise and reduce the L arm component 36 that earth is dug assembly 40.L arm component 36 is dug between the assembly 40 in power unit vehicle 32 and earth.L arm component 36 comprises the first arm 60 with first end 62 and second end 64 opposite with first end 62.L arm component 36 also comprises with the first arm 60 one and extends substantially transversely to second arm 66 of the first arm.Second arm 66 has and first end 68 of first end, 62 one of the first arm 60 and second end 70 opposite with first end 68 of second arm 66.Second end 64 of the first arm 60 comprises being used to receive and is used to pivot the hole 72 of the pivotal part 74 that is attached to Power Component vehicle 32.Second end 70 of second arm 66 comprises the extension lift member 76 with hole 78, and hole 78 is used to hold the pivotal part 80 that is used for being attached to around horizontal axis 46 pivots supporting frame assembly 44.The first arm 60 of L arm component 36 is longer than second arm 66 of L arm component 36.

Although expection L arm component 36 can comprise the L arm (not shown) of a solid construction, preferred embodiment shown in Fig. 5 and 6 shows the assembly of the two L arms 82 that separate that separate by tubular support 84.In addition, the first arm 60 of each L arm 82 that the first arm 62 that Fig. 5 and 6 shows each L arm 82 is made up of with first and

second side plates

88 and 90 respectively top board 86, first side plate 88 is parallel with second side plate 90 basically, and second end from first end 62 of the first arm 60 to the first arm 60 between first side plate 88 and second side plate 90 has little deviation.In addition, second arm 66 of each L arm 82 is made up of rectangular case 94, and rectangular case 94 has the extension lift member 76 of extending from its second end 70.

L arm component 36 also comprises the device that is used to be attached to hydraulic cylinder 38 to rise and to reduce L arm component 36, and its form is to have on two gusset plates 96 to be used to admit pivot to be attached to the hole 98 of the pivotal part 100 on the hydraulic cylinder 38.Preferably, these are used to be attached to first end 62 of the device of hydraulic cylinder 38 near the first arm 60 of L arm component 36.

In the preferred embodiment that L arm component 36 is made up of two parallel L arms 82, one of second parallel arm 66 comprises in its rectangular case 94 and is used to extend and withdraws and extend the device of lift member 76.Be used for extending the device of lift member 102 shown in Fig. 7 (extension) and 8 (retractions) with respect to rigidly connected extension lift member 104 extensions and withdrawal.Flexible housing 106 operationally is attached between linear actuators 108 (illustrating in Fig. 1-4) and the lift member 102 nakedly.

Although it is on the excavator 30 with rock wheel trencher assembly 42 that L arm component 36 of the present invention illustrates, but should be appreciated that the earth that has that this L arm component 36 can be included in any kind digs in the excavator of device as initial equipment or as the remodeling parts distribution of existing equipment.

Fig. 9 shows supporting frame assembly 44 and is rotatably installed in the zoomed-in view of top wheel assembly 50.Comprise that the hookup mechanism 116 that has hole 118 on it is used to admit the pivotal part 46 of second end 70 of second arm 66 that is attached to L arm component 36 pivotally.Except extending at hydraulic cylinder 48 or pivoting action during withdrawal, when lift member 102 is slidably extended with respect to fixing lift member 104 by linear actuators 108 or during retraction, can from the conventional vertical orientation adjusting of supporting frame assembly 44 and wheel assembly 50 they.This is favourable when excavating vertical irrigation canals and ditches or excavating non-perpendicular irrigation canals and ditches on uneven ground.

Supporting frame assembly 44 also comprises on it flange 122 of porose 124, and hole 124 is used to admit can operate the securing member that is attached to second hydraulic cylinder that is used for the supporting frame assembly.Thereby, when second hydraulic cylinder 48 that is used to take turns frame assembly 44 extends and during withdrawal, can consistent spacing transfer and go up or transfer down supporting frame assembly 44 with it.

Wheel assembly 50 comprises a series of board members 132 that separate along circumference on digging wheel 128 with rim construction 130 and the rim construction 130 that circumferentially is installed in digging wheel 128.Car roller (Truck roller) assembly 134 is rigidly connected to and is used to regulate the supporting frame assembly 44 of digging wheel 128 and digging wheel 128 is remained on desired position.Shown in Fig. 1-4, digging wheel 128 is driven in the counterclockwise direction by driving mechanism 136.When digging wheel 128 rotations, the tine 138 of each board member 132 impacts the part of irrigation canals and ditches leading edge 57, move up against leading edge 57, discharge spoir 140, spoir 140 is brought to board member 132, arc 142 and rim construction 130 interior tops 141 to digging wheel 128 then.Arc 142 keeps spoir to arrive the top 141 of digging wheel 128 through rim construction 130 up to it, and spoir drops into the side piling (not shown) that is discharged to excavator 30 sidepieces on the transfer assembly 52 with side direction here.

Each board member 132 includes the plate of at least one tine 138 general flat mounted thereto, and at least one tine 138 stretches out from rim construction 130.

Figure 10 is the front view that board member 132 rim construction 130 mounted thereto is arranged.Figure 11 is the top perspective view of exemplary panels member 132 and Figure 12 reality sectional view along the line 12-12 intercepting of Figure 11.Exemplary panels member 132 shown in Figure 10-12 comprises the rectangular steel plates 133 of preferable steel, and having can be that (but not necessarily) is from growing to external surface 135 to the leading edge 137 that tilts than short inner surface 139.Board member 132 is fixed on the wheel rim 130, and wheel rim 130 comprises wheel rim spaced apart parallel 129 and 131.In the exemplary panels member 132 of Figure 10-12, two tines 138 be fixed to board member 132 on external surface 135.Each tine 138 comprises retainer 170 and spike 172, makes retainer 170 admit spikes 172 and it is oriented with respect to the angle to external surface 135.Angle a is preferably between 32 ° to 62 ° in preferred embodiment, preferable about 17 ° to 52 °.Might use other inclination of tine 138 according to the type of the rocky condition that is run into.Spike 172 is preferably the hard metal tip that is driven against irrigation canals and ditches leading edge 57 by wheel assembly 50.The various geometries of spike 172 have been considered, such as chisel, knife, gouge, scraper bowl and short sword.Also can change and keep the present invention simultaneously the structure of retainer 170 and the spike 172 that is attached to it.

Each board member 132 also can be provided with one or more shovels 174, and shovel 174 can be the backhoe teeth that the leading edge 137 of plate 133 is extended forward.Shovel 174 can comprise along the scraper bowl 176 of the supporting leg 178 that keeps flat to external surface 135 of plate 133 and leading edge 137 front portions that are arranged on plate 133.The preferable inclination of scraper bowl 176 is away to external surface 135.

Figure 13 A and 13B show a series of board member 132a-j that are carried on the rim construction 130.The first board member 132a of series of plates member 132a-j is arranged on the single tine 138 on external surface 135 of this series first board member 132a with comprising approximate centre.Also be installed on the first board member 132a at isolated a pair of shovel 174 on the either side of single tine 138.

The second board member 132b and the first board member 132a of series of plates member 132a-j are spaced apart.Interval between the adjacent panels member is six inches approximately, each board member 132 can be about 6 inches long simultaneously, although can select the variation (preferably in three inches to 15 inches scopes) of these two sizes, it should also be understood that, the length of board member 132 does not depend on the spacing between the adjacent panels member 132, and vice versa.The second board member 132b comprises from the center line 180 of the rim construction 130 a pair of tine 138 opened of equi-spaced apart roughly.A pair of shovel 174 is positioned at tine 138 sides, scraper bowl 174 can be installed to from the roughly equidistant position of center line 180 the second board member 132b on external surface 135.

The 3rd board member 132c of series of plates member 132a-j and the second board member 132b separate and are installed on

wheel rim

129 and 131, and the 3rd board member 132c comprises tine 138 and a plurality of shovel 174.The shovel 174 at center is the form that is positioned at backhoe teeth on the center line 180, and other shovel 174 and tine 138 are from center line 180 spaced at equal intervals roughly.

The 4th board member 132d of series of plates member 132a-j separates with the 3rd board member 132c and with next the board member 132e that follows similarly.The 4th board member 132d comprises that a pair of tine 138 is arranged on a pair of shovel 174 of side.Can find, tine on board member 132b-j subsequently 138 form have the first board member 132a tine 138 from center line 180, and along with in succession board member 132b-e from the outwards mobile in turn pattern of the tine 138 of center line 180.Shovel 174 is arranged on each board member 132 and is placed on from tine 138 position spaced.Usually tine 138 and shovel 174 are symmetrical arranged with respect to center line 180.

Should be appreciated that the tine 138 on the series of plates member 132a-j and the pattern of shovel 174 can repeat, or series of plates member 132a-j can comprise other board member 132, each board member is preferable comprises at least one tine 138 and at least one shovel 174.But, both do not had tine 138 not shovel 174 board member 132 yet and can be distributed in its series or in the middle of the series.In addition, only one or more tines 138 above also having considered to use and do not shovel 174 board member, or use and one or more shovels 174 are only arranged on the selected board member and do not have tine 138.

Preferably, board member 132 in the series be configured such that series of plates member 132 first have the single tine 138 that centers thereon, and the next board member 132 in the series comprises respectively from the center line 180 of wheel assembly 50 and separates two about three inches tines 138.Next board member 132 in the series is provided with respectively and separates two about six inches tines 138 from center line 180, and ensuing board member 132 comprises respectively and separates two about nine inches tines 138 from center line.After this, next ensuing board member 132 comprises that two are respectively separated two tines of 12 inches from center line 180.Then, this series can comprise next ensuing board member 132, and this board member comprises two tines that straddle center line, and each tine is in the distance of distance center line 180 at 1.5 inches; Next be the board member 132 that the next one is followed, this board member is provided with respectively and separates two about 4.5 inches tines 138 from center line 180; Next be next board member 132, comprise respectively separating two about 7.5 inches tines from center line 180; Next be next board member 132, comprise respectively separating two about 10.5 inches tines 138 from center line 180.After this next ensuing board member 132 can be identical with the first board member 132a in the series, has the single tine 138 at center, and series can repeat as required so that the circumference of rim construction 130 is complete then.

Shown in Figure 13 A and 13B, shovel 174 is positioned on the board member 132, make they and tine 138 laterally spaced and, comprise when on board member 132, using three shovels 174, certain situation that centers on center line 180 in centre of shovel 174 also about center line 180 symmetries.In each case, when wheel assembly 50 rotated, each shoveled the 174 moving direction orientations towards board member 132, and tine 138 is respectively outwards directed angularly from board member 132, made the rotatablely move direction orientation of its spike 172 towards rim construction 130.Shovel 174 extends forward from the leading edge 137 of board member 132, and spike 172 preferably is positioned near the trailing edge 133 of board member 132.

The tine 138 of the first board member 132a is broken the irrigation canals and ditches leading edge 57 of rock surface into pieces, and the tine 138 of each back one board member 132 impacts zones of different and can remove the spoir 140 that the tine 138 by last board member produces, and the tine 138 of perhaps ensuing board member 132 can be broken the zones of different of irrigation canals and ditches leading edge 57 into pieces.

Scraper bowl 176 slave plates 133 of each shovel 174 stretch out to such an extent that do not have tine 138 to extend far, but be used to excavate rock spare and rock soil in the irrigation canals and ditches, also upwards present spoir 140 towards arc 142, make spoir 140 to deflect on the transport tape assembly 52 through the top 141 of wheel assemblies 50 and by deflector surface 150 (Figure 14).In addition, scraper bowl 176 is used to excavate the non-rock soil that may run into, and allows machine of the present invention to be used for rock and non-rock soil thus.

Deflection piece 144 operationally is attached on the wheel frame assembly 44 at label 146 places.Deflection piece 144 is shown specifically in Figure 14 and is positioned at by the rim construction 130 of the digging wheel 128 of Figure 15 and the in-profile 148 that board member 132 limits.Deflection piece 144 is provided with at a certain angle, and the mode that makes deflector surface 150 be positioned at digging wheel 128 tops 141 is that it will accumulate in the board member 132 of digging wheel 128 in the rim construction 130 and the spoir 140 between the arc 142.Deflection piece 144 is directed to spoir 140 downwards on the transport tape assembly 52.Deflector surface 150 meets the in-profile 148 of rim construction 130 and board member 132 basically on size and dimension, deflector surface 150 is installed in the in-profile 148 that is formed by rim construction 130 and board member 132 and accumulates in all spoirs 140 in the in-profile 148 to remove basically thus.

Deflector surface 150 lateral cross can be that arc (Figure 14) and longitudinal cross-section form spill so that spoir 140 deflects down.

In preferred embodiment, deflector surface 150 is attached on the supporting member 152 of carrying on the frame assembly 44 rigidly.Compression disc spring (not shown) in the housing 154 can make deflector surface 150 longitudinally be biased in the in-profile 148 of rim construction 130 and board member 132, and deflector surface 150 can bounced back when obstruction (not shown) in the in-profile 148 of rim construction 130 and board member 132 contacts.This structure allows forward clearing and prevents damage when contacting with obstruction.

Another embodiment that removes part 144 has been shown among Figure 16.In this embodiment, remove surface 170 and directly be attached on the hold-down arm 172, hold-down arm is pivotally mounted on the wheel frame assembly 174 around horizontal axis 176.Disc spring 178 between the wheel frame assembly 174 at the hold-down arm 172 at label 180 places and label 182 places connecting rigidly, so that alternate bias and restoring device to be provided.But removing surface 184 can be identical with the final position of removing surface 184 in the in-profile of rim construction 130 and bucket member 132.

In preferred embodiment, it is found that wheel speed can accelerate to above speed known in the art, and the cutting effect of earth cutting assembly 40 can be by wheel assembly 50 with enough speed rotations, the speed that makes any tine 138 advance to stride across irrigation canals and ditches leading edge 57 is not less than 15 feet of about per seconds, and preferable pact 18 feet of per seconds and improving at least.Comprise be installed in rim construction 130 on board member 132 deflection piece 144 and the transfer assembly 52 that cooperate wheel assembly 50 can be rotated rapidly, make tine 138 with the angular velocity that surpasses 15 feet of per seconds through irrigation canals and ditches leading edge 57.But, under some surface states, have necessaryly with than low velocity hand wheel assembly 50, excavator can fully keep function under this speed.

Transfer assembly of the present invention has been shown among Figure 17-20.Transfer assembly 52 operationally is attached on the wheel frame assembly 44 at

label

186 and 188 places with hang.This makes transfer assembly depend on from the inclination of a side direction opposite side spoir 140 from which side is discharged.Transfer assembly 52 comprises that they prevent that all spoir 140 from entering the interior section 190 of transfer assembly 52 by the first end roller 192 and the interior section 190 that centers on the first end roller, 192 second opposed end rollers 194, endless belt conveyer 196, the first side assembly 198 around first end roller 192 and the second end roller 194 and the second side assembly 200 relative with the first side assembly 198.

Transfer assembly 52 also comprises the top plate 202 that endless belt conveyer 196 slides in the above, and in preferred embodiment, this top plate 202 is made so that the minimum friction between endless belt conveyer 196 and the top plate 202 to be provided by the super high molecular weight plastics.But expection also can be used other material.Although top plate shown in the preferred embodiment 202 is plates 204 and 206 separately, they and the longitudinal groove 208 of device registration also are to be understood that and also can use the single top plate (not shown) that wherein has longitudinal groove.The top plate 204 and 206 of transfer assembly 52 extends laterally respectively and surpasses the first side assembly 198 and the second side assembly 200, and mode is that

side assembly

198 and 200 is overlapped to prevent that spoir 140 from entering the interior section 190 of transfer assembly 52.

In preferred embodiment, endless belt conveyer 196 comprises a series of finger-shaped projections 210 (Figure 19 and 20) along its downside 212, downside 212 aligns with first top plate 204 of transfer assembly 52 and the longitudinal groove 208 between second top plate 206, to unite as the guiding piece that endless belt conveyer 196 is centered on transfer assembly 52.In addition, first end roller 192 and the second end roller 194 respectively comprise respectively and first top plate 204 of transfer assembly 52 and the longitudinal groove 208 between second top plate 206 to its ring-shaped

groove

214 and 216, with the downside 212 left-hand seat digitation portions 210 that admit endless belt conveyer 196 once more endless belt conveyer 196 is centered on transfer assembly 52.Endless belt conveyer 196 centering on transfer assembly 52 also is under the help of the inclination of first end roller 192 and the second end roller 194, wherein first end roller and the second end roller separately

core

218 and 220 diameter than separately end sections 222 of first end roller 192 and the

second end roller

194 and 224 and 226 and 228 big.

Belt tension adjuster 230 makes the end part 232 of the first side assembly 198 and the end part 234 of the second side assembly 200 extend on request or to shrink respectively.Tension regulator 230 comprises thumb screw 231, and it is when threaded rod 236 rotates, along with the second end roller 194 extends or shrinks the first side assembly 198 and the second side assembly 200

end part

232 and 234 separately.First end roller 192 and the first side assembly 198 and the second side assembly 200 end part 238 separately is connected rigidly with 240.

The first side assembly 198 and the second side assembly 200 also comprise the

flange

242 and 244 of downward extension respectively, enter the interior section 190 on transfer assembly 52 downsides 246 to prevent spoir 140.For the minimum spoir 140 of the interior section 190 that enters transfer assembly 52, the plough assembly is operationally attached to be returned with the interior section 192 of guiding spoir 140 from transfer assembly 52 thereon.Bottom deck assembly 54 is towards the first side assembly 198 and the baffle plate 250,252,254 of the second side assembly, 200 inclinations and 256 diamond configuration.Thereby the spoir that is clipped on the downside 212 of endless belt conveyer 196 contacts with baffle plate 250-256, and they are directed out transfer assembly 52.

Once more, when transfer assembly 52 of the present invention is illustrated on the excavator 30 with rock wheel ditching assembly 42, transfer assembly 52 can be included in the earth that has of any kind and dig in the excavator of device, as initial equipment or as the remodeling parts distribution of existing equipment.

Figure 21-26 shows bottom deck assembly 54 of the present invention.Bottom deck assembly 54 is included in label 260 places and the operationally attached column piece 258 of supporting frame assembly 44.Bottom deck assembly comprises that also side plate 262 contacts the sinking of sidewall of irrigation canals and ditches 56 when preventing to use with 264 with the sidewall with irrigation canals and ditches 56.

Grooving device 268 is operationally attached and extend below with the groove 272 in the bottom 274 that is formed on irrigation canals and ditches 56 along the bottom margin 270 of bottom deck assembly 54.In preferred embodiment, grooving device 268 comprises can regulate groove device 276 to regulate the radial dimension of groove 272.Can regulate groove device 276 and comprise installation component 278, installation component 278 comprises the installing plate 280 of the bottom parts 282 that is connected to bottom deck assembly 54 rigidly.The installation component 278 that can regulate groove device 276 also comprises the

side installing plate

284 and 286 and operationally be attached in bottom deck assembly 54 and rear portion installing plate 288 between

side installing plate

284 and 286 of the sidewall 262 that is connected to bottom deck assembly 54 respectively rigidly and 264.

The adjustable groover assembly 291 that can regulate groove device 276 is suspended in the installation component 278 and centers on the pivotal part 290 that extends back from installing plate 280 pivotly and connects.Adjustable groover assembly 291 comprises the first arch channel plate 292 and the second arch channel plate 294 that has

hole

296 and 298 respectively, the arc 300 that is used to admit pivotal part 290, the first arch channel plates 292 that extend back from anterior installing plate 280 and the second arch channel plate 294 to unite the varied radius that produces the groove 272 in the bottom 274 that is used to form irrigation canals and ditches 56.

Comprise the device that is used to make the first arch channel plate 292 to pivot with respect to the second arch channel plate 294, this device comprise have first end 304 and with the linear actuators 302 of first end, 304 second opposed end 306.

First end 304 of linear actuators 302 operationally is attached to hand-operable crank assemblies 308, and hand-operable crank assemblies 308 operationally is attached to the top 310 of bottom deck assembly 54.Second end 306 of linear actuators 302 operationally is attached to has hole 314 with on the yoke 312 of admitting pivotal part 316.Each have respectively

first end

322 and 324 and first and

second chaining parts

318 and 320 that have

second end

326 and 328 respectively respectively at their first end 322,324 are attached to yoke 312 pivotally and are attached to the first arch channel plate 292 and the second arch channel plate 294 at

pivotal point

328 and 330 respectively at their second end 324,326.

Thereby along with linear actuators 302 extends, chaining

part

318 and 320 makes the first arch channel plate 292 and the second arch channel plate 294 separately to form the more groove of long radius.Equally, when linear actuators 302 retractions, chaining

part

318 and 320 makes the first arch channel plate 292 bounce back to form the more groove of small radius with respect to the second arch channel plate 294.

Forwardly installing plate 280 is anterior extends that to come with penetrated surface 58 be adjustable groover assembly 291 open circuits along the direct of travel of excavator 30 for nose cone body spare 332.

In addition, although adjustable groover assembly 276 of the present invention is illustrated on the excavator 30 with rock wheel trencher assembly 42, but be to be understood that, adjustable groover assembly 276 can be included in the earth that has of any kind and dig in the excavator of device, as initial equipment or as the remodeling parts distribution of existing equipment.

The present invention is only explained and illustrated to above stated specification and accompanying drawing, and the present invention is not limited to this, and except in the scope of claims, the those skilled in the art that read this content can change and change and do not deviate from scope of the present invention it.

Claims

1. excavator comprises:

Power unit,

Operationally be attached to the supporting frame assembly of described power unit,

Operationally be attached to the digging wheel assembly of supporting frame assembly,

Described digging wheel assembly has the rim construction of band circumference,

A plurality of isolated, be fixed to the plate on the described circumference,

At least one of described plate comprises at least one tine from its extension.

2. excavator as claimed in claim 1 is characterized in that,

Described rim construction and described each plate are united at least one in-profile of qualification,

One deflection piece is attached on the described supporting frame assembly,

Described deflection piece has the deflector surface that is arranged in described at least one in-profile,

Described deflector surface contact also removes the spoir that accumulates in described at least one in-profile.

3. excavator as claimed in claim 1 is characterized in that,

Described power unit drives described wheel assembly makes described at least one tine move with the angular velocity that is not less than 15 feet of per seconds.

4. excavator as claimed in claim 1 is characterized in that,

Described plate is arranged at least one series,

Each plate in described a series of at least plate comprise at least with series in the adjacent different tine of plate quantity.

5. excavator as claimed in claim 1 is characterized in that, described at least one tine is a hard metal tip.

6. excavator as claimed in claim 2 is characterized in that, under described deflector surface conveyer belt is set, and described conveyer belt moves the spoir by described deflection piece deflection.

7. excavator as claimed in claim 1 is characterized in that, at least one shovel part is fixed at least one of described each plate.

8. excavator as claimed in claim 7 is characterized in that, the leading edge that described at least one shovel part is fixed with the described plate of described at least one shovel part is from it extended forward.

9. excavator as claimed in claim 1 is characterized in that,

Described plate is arranged at least one series,

Each plate in described at least one series has one or more tines fixed thereon,

Each plate and adjacent panels are spaced apart in described at least one series,

The spacing with respect to the isolated described one or more tines of center line of described digging wheel assembly of first plate in described at least one series is different from the spacing of one or more tines of the plate adjacent with described first plate.