CN1054728C

CN1054728C - Mechanical rake for clearing, moving, levelling, raking all sorts of grasses and various plants

Info

Publication number: CN1054728C
Application number: CN94113660A
Authority: CN
Inventors: 安德烈·郎歇
Original assignee: Forges des Margerides SA
Current assignee: Forges des Margerides SA
Priority date: 1994-10-28
Filing date: 1994-10-28
Publication date: 2000-07-26
Anticipated expiration: 2014-10-28
Also published as: CN1121762A

Abstract

The present invention relates to a mechanical rake for clearing, mowing, leveling and raking all sorts of grasses and plants, which comprises hollow handles (2, 2', 2'). One end of each of the hollow handles is fixed on each of the control boxes (5, 5', 5'). The control boxes comprise driving gears (6, 6', 6') driven by an electric motor or a thermoelectric type electric motor. The driving gears make cutter blades (7, 7', 7') do reciprocating movement. The cutting plane of the cutter blades is parallel to the ground (S) and is faced to rake moving direction (F). A plurality of paralleled cutting forces are formed by the synergistic action of second fixed or movable cutter blades (8, 8', 8') and a first cutter blade. A boot-shaped member (11) is arranged to determine cutting height relative to the ground (S). Collecting devices (12, 16) are fixedly arranged on the rear of the cutting blades to keep cut waste temporarily.

Description

To all kinds of grass and plant species remove, the mechanical rake of mowing, smooth and raking

The present invention relates to a kind of all kinds of grass and plant species be removed, mow, the mechanical rake of smooth and raking.

Pick removes undesirable root, removes, and mows, all carry out on the smooth and raking operation with traditional of border by means of instrument, and for example by means of the underbrush scavenger, mower, verge cutter and rake or the like.

Under the situation of the removing-excavation undesirable root of underbrush, used device is the rotation steel knife that a motor drives.Since the steel knife blade is cut that kind of crop all hides and blade might be dished out earth, the withe of stone and plant species, and therefore this device is extrahazardous to user and near people.

For mowing or mowing, people use the mower that a kind ofly has rotating blade, wheel is arranged or be contained in motor-driven or manual on the air bump or spiral blade is housed.Mower with rotating blade is used to cut not too high grass, because they have only a less cutting-height.Usually mower cutting during along careless or other machine plants of growths such as wall, hedge, trees efficient be very low.Because the position of blade, it also exists the danger that accidents happened to user's pin.Blade is dished out stone, earth and withe, and this can meet user or near people and injure them.

For the weeds between smooth border and the excision hedge, people use verge cutter or manual or motor-driven scissors.Verge cutter generally includes an electromotor that drives the nylon line of cut makes plant species be able to be cut off.Because blade is as easy as rolling off a log throws the user on the face, therefore such device is abnormally dangerous to the user.In addition, because line of cut rapid wearing when contacting with stone, wall, netted barrier etc., user's line of cut that must extend often.

Above-described all devices can cut, but all can not play the effect of rake simultaneously.

Major purpose of the present invention is to overcome above these shortcomings.

The purpose of mechanical rake of the present invention is all kinds of plant species of cutting and the effect of playing rake simultaneously.

This mechanical rake comprises that the one end is fixed in the hollow handle of casing, comprise a driving mechanism in the described casing, it is by electromotor or driven by engine, be used for making one first cutting blade laterally to seesaw with respect to one second blade, described second blade and first blade interact to form a plurality of parallel shears shear force, be characterized in, described second blade is a cutting blade, and the hollow handle of mechanical rake is approximate 45 ° α angle with respect to described blade, therefore, cutting blade is in a cutting planes parallel to the ground, and described handle points to the direction of raking, and boots shape spare is fixed on the below of described second blade, and these boots shape spares are fixed or are adjustable, adapting with ideal cut height with respect to ground, the rear that gathering unit is fixedly arranged on described cutting blade is used for the temporary transient rubbish that cuts down of preserving.

Described second blade has the finger piece of protection cutter tooth in the extension of each cutter tooth.

The accompanying drawing that provides with the form of giving an example will make the present invention, and the advantage that the feature that the present invention had and it can reach is more readily understood.

Fig. 1 is the stereogram of mechanical rake of the present invention.

Fig. 2 is the three-dimensional exploded view of the blade of demonstration mechanical rake.

Fig. 3 is the profile of expression blade with respect to handle and ground location relation.

Fig. 4 is the profile similar to Fig. 3, but it has shown another embodiment of mechanical rake of the present invention.

Fig. 5 to Fig. 7 is the schematic diagram of explanation mutual displacement of two movable blades in device embodiment illustrated in fig. 4.

Fig. 8 is the profile of the 3rd embodiment of mechanical rake of the present invention.

Fig. 9 to Figure 11 is along schematic diagram IX-IX (Fig. 8) intercepting, that the mutual displacement of two movable blades among the 3rd embodiment is described.

Fig. 1, Fig. 2 and Fig. 3 have shown a mechanical rake 1, and it comprises favourable hollow handle 2 or other analogs, on the one hand, is provided with an electromotor or thermoelectric (al) type electromotor 3 near leader 4, on the other hand, a control cabinet 5 be anchored on this handle 2 than low side.

Control cabinet 5 comprises that a driving mechanism 6 that is driven by electromotor 3 does horizontal moving back and forth in order to drive blade 7.

Driving mechanism 6 is made of one solid or hollow, rigidity or flexible, telescopic or non-telescoping (Fig. 3) control pin 6a.This control pin 6a and electromotor or the acting in conjunction of thermoelectric (al) type electromotor are done coaxial rotation with drive sleeve 6b in control cabinet 5.Sleeve 6b in this control cabinet 5 by roller bearing 6c axial orientation.Sleeve 6b links to each other with the cam 6d of a balance, and this cam comprises a pin 6f relative with its quality 6e, and this pin 6f is provided with respect to the main shaft lateral shift of sleeve 6b.

The together mating reaction of vertical openings 7a of the length on pin 6f and the hanger 7b is equipped with blade 7 on this hanger 7b.The hanger subtended angle that tilts, therefore in use, the cutting planes of blade 7, that is the plane parallel of harrowing 1 rake teeth 7c is in ground S (Fig. 3).

Control cabinet 5 is covered by a case lid 5a who separates with driving mechanism 6, thereby can preferably rotatablely moving of electromotor 3 be converted to reciprocal translational motion.Be installed with one second straight cutting tip 8 on case lid 5a, this blade is arranged on the parallel plane identical with the cutting blade plane of first blade 7.

This second blade 8 moves laterally with respect to second blade 8 to guide first blade 7 by being connected with first blade 7 with screw and nut that horizontal slotted hole 7d matches.

Therefore, first blade 7 is fastened between second blade 8 and the slide bar 10 so that blade 7 is free to slide with alap coefficient of friction.

The second fixing blade 8 comprises and can form the cutter tooth 8a that shears with the cutter tooth 7c of blade 7.The cutter tooth 8a of second blade 8 is stretched out by finger piece 8b flat, circle or other profiles.Finger piece 8b can play a part to protect the user when using mechanical rake 1, and the shearing that the cutter tooth 8a by the cutter tooth 7c of blade 7 and blade 8 is formed can not be damaged to for example user's foot.

On blade 8 times, be provided with adjustable or nonadjustable boots shape spare 11 in the case lid 5a, it has a predetermined length d can slide mechanical rake 1 on the S of ground.

On the case lid 5a of control cabinet 5 and the behind spiral shell of

blade

7 and 8 be provided with a baffle plate 12, in order to collect before cut off the grass or other different types of plant species.

Fig. 4 to Fig. 7 has shown another embodiment 1 ' of mechanical rake 1, it comprise one with hollow handle 2 ' or control cabinet 5 of being connected of analog '.This control cabinet 5 ' comprise one and electric motor driven driving mechanism 6 identical shown in the numbering 3 ', to drive horizontal the moving back and forth in two cutting blades 7 ' and 8 ' do.

Driving mechanism 6 ' constitute by a control pin 6a identical with the control pin 6a of mechanical rake 1.This control pin 6a ' and electromotor or the acting in conjunction of thermoelectric (al) type electromotor with drive sleeve 6 ' b control cabinet 5 ' in do coaxial rotation.

Sleeve 6 ' b makes axial lead by roller bearing 6 ' c and pin 6 ' g, this pin 6 ' g be located at control cabinet 5 ' case lid 5 ' a in hole 5 ' b cooperatively interact.

Sleeve 6 ' b links to each other with 6 ' e with two disc cam 6 ' d, and this two cam is offset 180 ° and be directed to pin 6 ' g and pass through mutually.

Cam 6 ' d and blade 7 ' on long opening 7 ' a match and second cam, 6 ' e be arranged at blade 8 ' on long opening 8 ' b in.

Blade 7 ' and 8 ' on opening 7 ' a and 8 ' a be located at respectively on hanger 7 ' b and the 8 ' c, this two hanger tilts with a subtended angle, therefore the cutting plane of two blades, just mechanical rake 1 ' cutter tooth 7 ' c and the cutting planes of 8 ' a in use be parallel to ground S (Fig. 4).

The lower link 10 of movable blades 7 ' with 8 ' by being anchored on case lid 5 ' a ' and move relative to each other by the guiding of the last connecting rod 10 ' a of screw and nut 9 ' link to each other with lower link.

Connecting rod 10 ' have adjustable or nonadjustable boots shape spare 11 ', it has a predetermined length, so that mechanical rake 1 ' can slide on the S of ground.Equally, on case lid 5 ' a of control cabinet 5 ' a and movable blades 7 ' and 8 ' the behind, but also spiral shell is provided with a baffle plate (not shown go out but identical with the baffle plate 12 of mechanical rake 1), in order to collect previous grass and different plant species in the meadow.

In addition, last connecting rod 10 ' a can connect a curved rake 13, cutter tooth of this curved rake be arranged at movable blades 7 ' and 8 ' the front.

Fig. 5 to Fig. 7 has shown blade 7 ' and 8 make situation about back and forth laterally moving each other by cam 6 ' d and 6 ' e.In fact, thus cam 6 ' d and 6 ' e drive by rotatablely moving and might go to drive movable blades 7 ' and 8 ' laterally move back and forth by means of opening 7 ' a and 8 ' b.

It should be noted that when cam 6 ' d and 6 ' e are parallel with the longitudinal axis of long opening 7 ' a and 8 ' b, movable blades 7 ' and 8 ' cutter tooth 7 ' c and 8 ' a be (Fig. 5) that offsets mutually each other.

Otherwise, when the longitudinal axis of cam 6 ' d and 6 ' e and long opening 7 ' a and 8 ' b is vertical, should note movable blades 7 ' and 8 ' cutter tooth 7 ' c and 8 ' a be one on another.

For example (Fig. 6,7) this position is identical when cam 6 ' d is positioned at the left side of guide finger 6 ' g or right side.

Fig. 8 has shown that the 3rd of mechanical rake 1 also is last embodiment, among the figure to number 1 " mark, it comprise one with the numbering 2 hollow handles that are equal to 2 " control cabinet 5 that links to each other ".Control cabinet 5 " is fixed in handle 2 by a helical gear 14 ", this helical gear variant umbrella (tiltedly) gear (indicate) on the one hand and a control pin 6 " a acts synergistically mutually, acts synergistically mutually with driving mechanism 6 " cam 6 " b on the other hand.

Control pin 6a " be equal to control pin 6a and with not shown go out but have with the electromotor or the thermoelectric (al) type electromotor of 3 identical characteristics shown in Fig. 1 and match.

Cam 6 " b is by guide finger 6 " g is directed axially in control cabinet.

Cam 6 " b comprises the pin 6 of the axis lateral shift of relative this cam " f.

" a's microscler vertical openings 7 on the cutter hub of pin 6 " f and is located at movable blades 7 " matches.

Between control cabinet 5 " and blade 7 ", be installed with one second fixing blade 8 ", it comprises that one is used for allowing cam 6 " opening 8 that b passes through " b.

Blade 7 " and 8 " is arranged on the horizontal plane that is parallel to ground S, and the then described relatively blade of handle 2 tiltedly is provided with the α angle lapping.

Second blade 8 " by the screw and nut and first blade 7 that matches with horizontal slotted hole (not shown) " is connected, and moves laterally to guide first blade 7 " with respect to second blade 8 ".

Between screw, nut 9 " and blade 7 ", be provided with a slide bar 10 ", slide to improve by reducing coefficient of friction.

" have adjustable or nonadjustable boots shape spare 11 " at blade 7, it has a predetermined length so that mechanical rake 1 " can slide on the ground.

The place ahead at cutter tooth 7 " c and the 8 " a of blade 7 " and 8 " is provided with one first rake 15 at cut direction F.Rake 15 be movable joint arranged and be fixedly arranged on the mechanical rake 1 " hollow handle 2 " by a clamping ring 15a.In addition, be provided with one second rake 16 or meadow brush at the rear of blade 7 " and 8 " at cut direction F.This brush 16 is fixed in hollow handle 2 by a dead ring 16a " on.

It should be noted with rotatablely moving of pin 6 " cam 6 that f links to each other " b and make it " to make traverse motion as 1 the mode of harrowing is driven blade 7.When the end of pin 6 " f is positioned at long opening 7 " a was neighbouring, cutter tooth 7 " c and the 8 " a of blade 7 " and 8 " must be (Fig. 9) that is offset each other.

Otherwise f is positioned at long opening 7 when cam 6 " pin 6 of b " " during a middle, cutter tooth 7 " c and 8 " a be one on another (Figure 10,11).

This embodiment can comprise two movable blades as front shown in Figure 4.

Should note

blade

7,8 and 7 ', 8 ' with the relative

hollow handle

2,2 in about 45 ° α angle ' axis be obliquely installed, thereby make the cutting planes of described blade always can be parallel to ground level S.

Blade

7,8; 7 ', 8 ' and 7 ", 8 " all towards the direction of raking so that when cuing off plant species, can collect them continuously.

In addition,

blade

7,8; 7 ', 8 ' and 7 " ,s' 8 " width depend on

rake

1,1 ' and 1 " width that will cut.Equally,

blade

7,8; 7 ', 8 '; 7 ", 8 " form many shearing forces to cut along the grass of growing on trees, wall, netted barrier or other analog limits.

The power supply of electromotor 3 can provide with alternating current or battery, the galvanic mode that can fill the formula accumulator again.

In addition, should be understood that above description provides by way of example, scope of the present invention is not subjected to its restriction, and the result who substitutes the details of above-mentioned enforcement with any other equivalent will fall within protection scope of the present invention.

Claims

1. one kind is used for all kinds of grass and plant species are removed, mow, the mechanical rake of smooth and raking, it comprises that the one end is fixed in casing (5,5 ', hollow handle 5 ") (2; 2 ', 2 ") comprise a driving mechanism (6 in the described casing, 6 ', 6 "), it is driven by electromotor or engine (3), be used for making one first cutting blade (7; 7 '; 7 ") with respect to one second blade (8,8 ', 8 ") laterally seesaw; described second blade and first blade interact to form a plurality of parallel shears shear force; it is characterized in that described second blade is a cutting blade, and mechanical rake (1; 1 '; 1 ") hollow handle (2,2 ', 2 ") are approximate 45 ° α angle with respect to described blade; therefore; cutting blade (7,7 ', 7 " and 8,8 ', 8 ") in a cutting planes parallel with ground (S), and described handle points to the direction (F) of raking, boots shape spare (11) be fixed on described second blade (8; 8 '; 8 ") the below, these boots shape spares are fixed or are adjustable, to adapt with ideal cut height with respect to ground (S), the rear that gathering unit (12,16) is fixedly arranged on described cutting blade is used for the temporary transient rubbish that cuts down of preserving.

2. mechanical rake as claimed in claim 1 is characterized in that, described second blade (8) has the finger piece (8b) of protection cutter tooth in the extension of each cutter tooth (8a).

3. mechanical rake as claimed in claim 1 is characterized in that, blade (7,7 ', 8 ") thus comprise separately with a subtended angle and tilt to make the cutting planes of described blade to be parallel to hanger (7b, 7 ' b, 8 ' c) of ground (S).

4. mechanical rake as claimed in claim 1 is characterized in that, described electromotor or engine (3) be fixed in hollow handle with casing (5,5 ', the end that 5 ") are relative.

5. mechanical rake as claimed in claim 1, it is characterized in that, described driving mechanism (6) is by one solid or hollow, rigidity or flexible, scalable or non-telescoping working shaft (6a) constitutes, end at working shaft is connected with a sleeve (6b) that is directed axially in casing (5), this sleeve be fixed in one with the synergistic equilibrium cam of cutting blade (7) (6d) so that blade laterally seesaws.

6. mechanical rake as claimed in claim 1, it is characterized in that, described driving mechanism (6 ') is solid or hollow by one, rigidity or flexible, scalable or non-telescoping working shaft (6a ') constitutes, and is connected with a sleeve (6 ' b) that is directed axially at an end of working shaft in casing (5 '), this sleeve be fixed in two respectively with cutting blade (7 ', 8 ') synergistic equilibrium cam (6 ' d, 6 ' e), so that they laterally seesaw.

7. mechanical rake as claimed in claim 6 is characterized in that, described driving mechanism (6 ') comprise two disc cams (6 ' d, 6 ' e), (7 ', 8 ') laterally seesaw the mutual 180 ° of biasings of this two cam so that blade.

8. mechanical rake as claimed in claim 7 is characterized in that, described cam (6 ' d) with blade (7 ') on long opening (7 ' a) match, cam (6 ' e) then with blade (8 ') on long opening (8 ' b) match.

9. mechanical rake as claimed in claim 1 is characterized in that, blade (7 ", 8 ") relatively the position on ground (S) be utilize one can make handle (2 ") relatively casing (the inclination transfer device (14) that tilts of 5 ") obtains; Described inclination transfer device and driving mechanism (6 ") interact blade (7 ") is laterally seesawed.

10. mechanical rake as claimed in claim 1 is characterized in that, described gathering unit (12,16) is fixedly arranged on hollow handle (the metallic brush formation on 2 ") by a baffle plate and that is fixedly arranged on the casing (5) respectively.

11. mechanical rake as claimed in claim 1 is characterized in that, cutting blade (7,7 ', 7 "; 8,8 ', 8 ") the place ahead, towards raking direction (F) be installed with one the rake (13,15).