CN109220163B - Adjustable mower cutter and adjusting method thereof - Google Patents
Adjustable mower cutter and adjusting method thereof Download PDFInfo
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- CN109220163B CN109220163B CN201811127347.7A CN201811127347A CN109220163B CN 109220163 B CN109220163 B CN 109220163B CN 201811127347 A CN201811127347 A CN 201811127347A CN 109220163 B CN109220163 B CN 109220163B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/73—Cutting apparatus
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Abstract
The invention provides an adjustable mower cutter and an adjusting method thereof, and belongs to the field of garden equipment tools. It has solved the inconvenient problem of current lawn mower blade regulation. This lawn mower cutter with adjustable includes the blade disc, be equipped with the mounting hole on the blade disc, the blade disc periphery is equipped with the sword groove, still include and articulate the blade in sword groove one end through the pivot, the blade disc top surface is fixed with the installation pipe, still including the cover at the interior regulating tube in the installation pipe outside, interior regulating tube bottom mounting has the adjusting disk of pasting on the blade disc, adjusting disk bottom surface periphery is fixed with the regulating plate, the regulating plate inner wall is pasted in the blade disc periphery, still include outer regulating tube, the outer regulating tube is close to the coaxial adjustment tank that is equipped with of inner wall of bottom, outer adjustment tube overlaps in the installation pipe outside, the adjustment tank overlaps in the inner regulating tube outside. The structure is conveniently adjusted to this cutter.
Description
Technical Field
The invention belongs to the technical field of garden equipment tools, and relates to an adjustable mower cutter and an adjusting method thereof.
Background
The existing cutter head is arranged on a mower and rotates at a high speed by using a motor so as to mow by using sawteeth on the edge of the cutter head, once the sawteeth on the cutter head touch hard objects, the sawteeth on the cutter head can be disconnected, and a new cutter head needs to be disassembled and replaced at the moment, so that the overall efficiency is low, and the cutter head is easily damaged by the hard objects even if the new cutter head is replaced;
in the prior chinese patent application No. 201710091072.5 entitled "a combined mower cutter and a method for mounting and dismounting the same", a disc-shaped main cutter head and a ring-shaped auxiliary cutter head are combined to form the combined mower cutter, and when in use, the main cutter head or the auxiliary cutter head can be selectively used to adapt to various environments. However, it has the following problems:
1. the adjusting method is that the auxiliary cutter head is disassembled and assembled on the main cutter head, and the fasteners sequentially penetrate through the connecting holes I, the connecting holes II and the connecting holes III, and the fasteners are required to be assembled and disassembled one by one, so the disassembling and the assembling are troublesome, and meanwhile, the assembling can be carried out only by ensuring that the connecting holes I, the connecting holes II and the connecting holes III are aligned, so the requirement on accuracy is high;
2. the outer diameter of the main cutter disc is different from that of the auxiliary cutter disc, and the distance between the blades on the main cutter disc and the axis of the main cutter disc is different from that between the cutting teeth on the auxiliary cutter disc and the axis of the auxiliary cutter disc, so that the cutting ranges of the main cutter disc and the auxiliary cutter disc are different, and the use is influenced; there is therefore a need for improvement.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an adjustable mower cutter which is more convenient to adjust, has multiple optional working structures and cannot influence use and an adjusting method thereof.
The purpose of the invention can be realized by the following technical scheme: an adjustable mower cutter comprises a disc-shaped cutter head, wherein a mounting hole is formed in the center of the cutter head, a plurality of arc-shaped cutter grooves distributed along the circumferential direction of the cutter head are formed in the periphery of the cutter head, the bottom of each cutter groove is of an arc-shaped structure coaxial with the cutter head, the adjustable mower cutter also comprises an arc-shaped sheet-shaped blade, the rear end of the arc-shaped sheet-shaped blade is movably hinged to one end of each cutter groove through a rotating shaft, the whole blade is positioned in each cutter groove, two sides of the blade are attached to the walls of the two sides of each cutter groove, the axis of the rotating shaft is vertical to the top surface of the cutter head and the blade, each blade is provided with an arc-shaped outer side and an arc-shaped inner side, the inner side of the blade is abutted against the bottom of each cutter groove, the outer side of the blade is flush with the periphery of the cutter head and is in smooth transition along the periphery of the cutter head, a, the method is characterized in that: the cutter disc top surface be fixed with the tubular installation pipe of the coaxial setting with the cutter disc, installation pipe bottom is connected with the mounting hole, still include the cooperation and overlap the tubular interior control tube in the installation pipe outside, interior control tube bottom is fixed with the adjustment disk of the disc of bottom surface laminating on the cutter disc top surface, and the outer periphery of adjustment disk bottom is fixed with a plurality of arc platelike regulating plates, regulating plate medial surface and lateral surface are the cambered surface form coaxial with the adjustment disk, and the laminating of regulating plate medial surface is in the cutter disc periphery, the coaxial annular constant head tank that is equipped with of installation pipe outer wall, interior control tube inner wall is equipped with the locating piece that slides and is located the constant head tank, still include tubular outer adjustment pipe, the inner wall that outer adjustment pipe is close to the bottom is coaxial to be equipped with the adjustment tank, and outer adjustment pipe cooperation cover is in the installation pipe outside, and the adjustment tank cooperation is overlapped in the interior control tube outside, interior control pipe outer wall and adjustment tank cell wall be equipped with the counterpoint groove, the length direction of the alignment groove is parallel to the axis of the inner adjusting pipe, the outer wall of the mounting pipe is respectively provided with a first limit groove, a second limit groove and a third limit groove, the length direction of the first limit groove, the second limit groove and the third limit groove is parallel to the axis of the mounting pipe, the length direction of the upper connecting groove and the lower connecting groove are arranged along the circumferential direction of the mounting pipe, two ends of the upper connecting groove are respectively and vertically connected with the top end of the first limit groove and the top end of the third limit groove, the top end of the second limit groove is vertically connected with the middle part of the upper connecting groove, two ends of the lower connecting groove are respectively and vertically connected with the bottom end of the first limit groove and the bottom end of the third limit groove, the bottom end of the second limit groove is vertically connected with the middle part of the lower connecting groove, the inner wall of the outer adjusting pipe is provided with a limit block which is positioned on the first limit groove in a sliding manner, the outer wall of the mounting pipe and the inner wall of the outer adjusting, the other ends of the two reset springs respectively abut against two sides of the sliding block, the two reset springs push the sliding block to be positioned in the middle of the sliding groove, the limiting block is positioned in the middle of the limiting groove, and one ends of the adjusting plates along the circumferential direction of the adjusting plate respectively abut against the inner side edges of the corresponding blades;
the outer adjusting pipe can move up or down to enable the limiting block to move to the top end or the bottom end of the first limiting groove, the outer adjusting pipe rotates relative to the axis of the installation pipe, the limiting block moves to the top end or the bottom end of the second limiting groove through the upper connecting groove or the lower connecting groove, the adjusting plate, the cutter groove and the blade are arranged in a staggered mode, the blade is twisted by the torsional spring, the rear end of the outer side edge of the blade abuts against one end of the cutter groove, the outer adjusting pipe can be loosened, the sliding block is pushed by the reset spring to reset, and the limiting block moves into the second limiting groove;
the outer adjusting pipe can also move up or down to enable the limiting block to move to the top end or the bottom end of the second limiting groove, the outer adjusting pipe rotates relative to the axis of the installation pipe, the limiting block moves to the top end or the bottom end of the third limiting groove through the upper connecting groove or the lower connecting groove, the inner side face of the adjusting plate abuts against the outer side edge of the blade at the moment, the blade is integrally located in the cutter groove, the outer adjusting pipe can be loosened, the sliding block is pushed to reset through the reset spring, and the limiting block moves to the third limiting groove.
The cutter can control the positions of the adjusting plates by adjusting the outer adjusting pipes, so that one ends of the adjusting plates along the circumferential direction of the adjusting disc are respectively abutted against the inner side edges of the corresponding blades to be used as fixed blades; or the adjusting plate, the cutter groove and the blade are arranged in a staggered mode to be used as a movable blade, so that the blade is prevented from being damaged in the occasion with more hard objects; or the inner side surface of the adjusting plate is propped against the outer side edge of the blade, and the blade is integrally positioned in the cutter groove so as to be accommodated, so that the blade is prevented from hurting people when not in use; therefore, the device can be flexibly adjusted according to the use occasions; during adjustment, the outer adjusting pipe needs to be moved along the axis of the outer adjusting pipe, so that the safety is improved, and the error adjustment is avoided; the outer adjusting pipe can be adjusted by moving upwards or downwards, so that the device is more flexible and convenient; the cutter head and the adjusting disc of the cutter form a whole, separation is not needed, and only adjustment is needed, so that the structure is more stable.
In the adjustable mower cutter, the first limiting groove, the second limiting groove, the third limiting groove, the upper connecting groove and the lower connecting groove are all located in the sliding groove, and the limiting block is located on the inner wall of the sliding block.
The structure is more stable.
In the above adjustable mower cutter, the inner wall of the mounting pipe is provided with a positioning strip, and the length direction of the positioning strip is parallel to the axis of the mounting pipe.
The positioning bar can be matched with a spline groove on the motor shaft so as to accurately position and install the motor shaft and the installation pipe.
In the above adjustable mower tool, the outer adjusting pipe is provided with an outer connecting hole, the outer connecting hole is screwed with an outer connecting rod, the end part of the outer connecting rod abuts against the first limiting groove to form the limiting block, the inner adjusting pipe is provided with an inner connecting hole, the inner connecting hole is screwed with an inner connecting rod, the end part of the inner connecting rod abuts against the positioning groove to form the positioning block, the outer wall of the mounting pipe is screwed with a connecting pipe, and the bottom end of the connecting pipe forms the top end of the sliding groove.
Therefore, the whole assembly is convenient.
In the adjustable mower cutter, one side of the adjusting plate, which is far away from the adjusting disc, is aligned with the bottom surface of the cutter disc.
In the adjustable mower cutter, the blades are circumferentially distributed on the periphery of the cutter head at equal intervals.
In the adjustable mower cutter, the cutter head and the mounting pipe are of an integrated structure, and the adjusting disc, the adjusting plate and the inner adjusting pipe are of an integrated structure.
The structure is more stable.
In the above adjustable mower cutter, the outer wall of the outer adjusting pipe is provided with anti-skid grains.
Thus facilitating adjustment.
An adjusting method for an adjustable mower cutter is characterized in that: the method comprises a method for adjusting as a fixed blade, a method for adjusting as a movable blade and a method for adjusting to accommodate the blade;
the method for adjusting the fixing blade comprises the following steps: the outer adjusting pipe is moved upwards or downwards to enable the limiting block to move into the upper connecting groove or the lower connecting groove; then, stabilizing the cutter head, rotating the outer adjusting pipe relative to the axis of the mounting pipe, enabling the limiting block to move to the top end or the bottom end of a limiting groove through the upper connecting groove or the lower connecting groove, enabling one ends of a plurality of adjusting plates along the circumferential direction of the adjusting plate to respectively abut against the inner side edges of the corresponding blades, then loosening the outer adjusting pipe, pushing the sliding block to reset through a reset spring, and enabling the limiting block to move into the first limiting groove;
the method for adjusting the movable blade comprises the following steps: the outer adjusting pipe is moved upwards or downwards to enable the limiting block to move into the upper connecting groove or the lower connecting groove; then the cutter head is stabilized, the outer adjusting pipe is rotated relative to the axis of the installation pipe, the limiting block moves to the top end or the bottom end of the second limiting groove through the upper connecting groove or the lower connecting groove, the adjusting plate, the cutter groove and the blades are arranged in a staggered mode at the moment, the blades are twisted by the torsion spring, the rear ends of the outer sides of the blades abut against one end of the cutter groove, then the outer adjusting pipe is loosened, the sliding block is pushed by the reset spring to reset, and the limiting block moves into the second limiting groove;
the method for adjusting the blade to be accommodated comprises the following steps: the outer adjusting pipe is moved upwards or downwards to enable the limiting block to move into the upper connecting groove or the lower connecting groove; and then stabilizing the cutter head, relatively installing the outer adjusting pipe of pipe axis rotation, making the limiting block move to the three tops of the limiting groove or the bottom end through the upper joining groove or the lower joining groove, and the inner side surface of the adjusting plate supports against the outer side edge of the blade at the moment, and making the blade wholly located in the cutter groove, then loosening the outer adjusting pipe, and pushing the slide block to reset through a reset spring, making the limiting block move to the three inner sides of the limiting groove.
By the method, the blade can be flexibly adjusted according to the requirement.
Compared with the prior art, the invention has the following advantages:
1. the cutter can control the positions of the adjusting plates by adjusting the outer adjusting pipes, so that one ends of the adjusting plates along the circumferential direction of the adjusting disc are respectively abutted against the inner side edges of the corresponding blades to be used as fixed blades; or the adjusting plate, the cutter groove and the blade are arranged in a staggered mode to be used as a movable blade, so that the blade is prevented from being damaged in the occasion with more hard objects; or the inner side surface of the adjusting plate is propped against the outer side edge of the blade, and the blade is integrally positioned in the cutter groove so as to be accommodated, so that the blade is prevented from hurting people when not in use; therefore, the device can be flexibly adjusted according to the use occasions;
2. during adjustment, the outer adjusting pipe needs to be moved along the axis of the outer adjusting pipe, so that the safety is improved, and the error adjustment is avoided;
3. the outer adjusting pipe can be adjusted by moving upwards or downwards, so that the device is more flexible and convenient;
4. the cutter head and the adjusting disc of the cutter form a whole, separation is not needed, and only adjustment is needed, so that the structure is more stable.
Drawings
Fig. 1 is a top view of the present tool.
Fig. 2, 4 and 6 are schematic views of the bottom structure of the cutter in three states respectively.
Fig. 3, 5 and 7 are partial enlarged views of fig. 2, 4 and 6, respectively.
Fig. 8 is a partial cross-sectional view of the present tool.
Fig. 9 and 10 are partially enlarged views of fig. 8, respectively.
Fig. 11 is a partially enlarged view of fig. 10.
Fig. 12 is a schematic diagram of the combination of a first limit groove, a second limit groove, a third limit groove, an upper connecting groove, a lower connecting groove and a limit block.
In the figure, the position of the upper end of the main shaft,
1. a cutter head; 11. a cutter groove; 12. a rotating shaft; 13. a blade;
2. installing a pipe; 21. positioning a groove; 22. a first limiting groove; 23. a second limiting groove; 24. a third limiting groove; 25. an upper connecting groove; 26. a lower connecting groove; 27. a chute; 28. a positioning bar; 29. a connecting pipe;
3. an inner regulating tube; 31. an adjusting disk; 32. an adjusting plate; 33. positioning blocks; 34. a positioning groove; 35. an inner connecting rod;
4. an outer regulator tube; 41. an adjustment groove; 42. a positioning block; 43. a slider; 44. a return spring; 45. an outer connecting rod; 46. and a limiting block.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-12, the invention relates to an adjustable mower cutter, comprising a disc-shaped cutter head 1, wherein a mounting hole is arranged at the center of the cutter head 1, a plurality of arc-shaped cutter grooves 11 distributed along the circumference of the cutter head 1 are arranged on the periphery of the cutter head 1, the bottom of each cutter groove 11 is of an arc-shaped structure coaxial with the cutter head 1, the adjustable mower cutter further comprises an arc-shaped sheet-shaped blade 13 of which the rear end is movably hinged at one end of the cutter groove 11 through a rotating shaft 12, the blade 13 is integrally positioned in the cutter groove 11, two sides of the blade 13 are attached to the groove walls at two sides of the cutter groove 11, the axis of the rotating shaft 12 is vertical to the top surface of the cutter head 1 and the blade 13, the blade 13 is provided with an arc-shaped outer side and an arc-shaped inner side, the inner side of the blade 13 is abutted against the bottom of the cutter groove 11, the outer side of the blade, the front end of the blade 13 is exposed from the cutter groove 11, the rear end of the outer side edge of the blade 13 is abutted against one end of the cutter groove 11, the included angle between the inner side edge of the blade 13 and the bottom of the cutter groove 11 is an acute angle, the top surface of the cutter 1 is fixed with a circular tube-shaped mounting pipe 2 which is coaxially arranged with the cutter 1, the bottom end of the mounting pipe 2 is connected with a mounting hole, the cutter further comprises a circular tube-shaped inner adjusting pipe 3 which is sleeved outside the mounting pipe 2 in a matching way, the bottom end of the inner adjusting pipe 3 is fixed with a disc-shaped adjusting disc 31 the bottom surface of which is attached on the top surface of the cutter 1, the periphery of the bottom surface of the adjusting disc 31 is fixed with a plurality of arc-plate-shaped adjusting plates 32, the inner side surface and the outer side surface of each adjusting plate 32 are both arc-shaped surfaces which are coaxial with the adjusting disc 31, the inner side surface of the adjusting plate 32 is attached, the inner wall of the outer adjusting pipe 4 close to the bottom end is coaxially provided with an adjusting groove 41, the outer adjusting pipe 4 is matched and sleeved outside the mounting pipe 2, the adjusting groove 41 is matched and sleeved outside the inner adjusting pipe 3, the outer wall of the inner adjusting pipe 3 and the wall of the adjusting groove 41 are respectively provided with a registration groove 34 and a registration block 42 which is slidably positioned on the registration groove 34, the length direction of the registration groove 34 is parallel to the axis of the inner adjusting pipe 3, the outer wall of the mounting pipe 2 is respectively provided with a first limiting groove 22, a second limiting groove 23 and a third limiting groove 24, the length direction of the first limiting groove 22, the second limiting groove 23 and the third limiting groove 24 is parallel to the axis of the mounting pipe 2, the upper joining groove 25 and the lower joining groove 26 are circumferentially arranged along the mounting pipe 2, the two ends of the upper joining groove 25 are respectively vertically connected with the top end of the first limiting groove 22 and the top end of the third limiting groove 24, the top end of the second limiting groove 23 is vertically connected with the middle part of the upper joining groove 25, the bottom end of the second limiting groove 23 is vertically connected with the middle part of the lower connecting groove 26, the inner wall of the outer adjusting pipe 4 is provided with a limiting block 46 which is positioned on the first limiting groove 22 in a sliding manner, the outer wall of the mounting pipe 2 and the inner wall of the outer adjusting pipe 4 are respectively and coaxially provided with a sliding groove 27 and an annular sliding block 43 which is positioned on the sliding groove 27 in a sliding manner, the mounting pipe further comprises two return springs 44 which are positioned on the sliding groove 27, one ends of the two return springs 44 are respectively abutted against two ends of the sliding groove 27, the other ends of the two return springs 44 are respectively abutted against two sides of the sliding block 43, the two return springs 44 push the sliding block 43 to be positioned in the middle part of the sliding groove 27, the limiting block 46 is positioned in the middle part of the first;
the outer adjusting pipe 4 can move up or down, the limiting block 46 is moved to the top end or the bottom end of the first limiting groove 22, the outer adjusting pipe 4 is rotated relative to the axis of the mounting pipe 2, the limiting block 46 is moved to the top end or the bottom end of the second limiting groove 23 through the upper connecting groove 25 or the lower connecting groove 26, the adjusting plate 32, the cutter groove 11 and the blade 13 are arranged in a staggered mode, the blade 13 is twisted by the torsion spring, the rear end of the outer side edge of the blade 13 abuts against one end of the cutter groove 11, the outer adjusting pipe 4 can be loosened, the sliding block 43 is pushed by the reset spring 44 to reset, and the limiting block 46 is moved into the second limiting groove 23;
the outer adjusting pipe 4 can also move up or down, the limiting block 46 is moved to the top end or the bottom end of the second limiting groove 23, the outer adjusting pipe 4 is rotated relative to the axis of the installation pipe 2, the limiting block 46 is moved to the top end or the bottom end of the third limiting groove 24 through the upper connecting groove 25 or the lower connecting groove 26, the inner side face of the adjusting plate 32 abuts against the outer side edge of the blade 13 at the moment, the blade 13 is integrally positioned in the knife groove 11, the outer adjusting pipe 4 can be loosened, the sliding block 43 is pushed to reset through the reset spring 44, and the limiting block 46 is moved to the third limiting groove 24.
Furthermore, the first limiting groove 22, the second limiting groove 23, the third limiting groove 24, the upper connecting groove 25 and the lower connecting groove 26 are all located in the sliding groove 27, and the limiting block 46 is located on the inner wall of the sliding block 43. The inner wall of the mounting tube 2 is provided with a positioning strip 28 with the length direction parallel to the axis of the mounting tube 2. Be equipped with the outer connecting hole on the outer regulating pipe 4, and the spiro union has outer connecting rod 45 on the outer connecting hole, and outer connecting rod 45 tip supports on spacing groove 22 to form stopper 46, be equipped with the internal connection hole on the interior regulating pipe 3, and the spiro union has internal connection pole 35 on the internal connection hole, and the internal connection pole 35 tip supports on constant head tank 21, and forms locating piece 33, and 2 outer wall spiro unions of installation pipe have connecting pipe 29, and connecting pipe 29 bottom forms spout 27 tops. The side of the adjusting plate 32 away from the adjusting disc 31 is aligned with the bottom surface of the cutter head 1. A plurality of blades 13 are distributed on the periphery of the cutter head 1 at intervals along the circumferential direction. The cutter head 1 and the installation pipe 2 are of an integrated structure, and the adjusting disc 31, the adjusting plate 32 and the inner adjusting pipe 3 are of an integrated structure. The outer wall of the outer adjusting pipe 4 is provided with anti-skid grains.
The cutter can control the positions of the adjusting plates 32 by adjusting the outer adjusting pipes 4, so that one ends of the adjusting plates 32 along the circumferential direction of the adjusting disc 31 are respectively abutted against the inner side edges of the corresponding blades 13 to be used as fixed blades 13; or the adjusting plate 32 is arranged in a staggered way with the knife grooves 11 and the blades 13 to be used as the movable blades 13, so that the blades 13 are prevented from being damaged in the occasion of more hard objects; or the inner side surface of the adjusting plate 32 is propped against the outer side edge of the blade 13, and the blade 13 is integrally positioned in the cutter groove 11 so as to store the blade 13 and prevent the blade 13 from hurting people when not in use; therefore, the device can be flexibly adjusted according to the use occasions; during adjustment, the outer adjusting pipe 4 needs to be moved along the axis of the outer adjusting pipe 4 at first, so that the safety is higher, and the error adjustment is avoided; the outer adjusting pipe 4 can be adjusted by moving upwards or downwards, so that the device is more flexible and convenient; the cutter head 1 and the adjusting disc 31 of the cutter form a whole, separation is not needed, and only adjustment is needed, so that the structure is more stable.
An adjustment method for an adjustable mower cutter includes a method of adjusting as a fixed blade 13, a method of adjusting as a movable blade 13, and a method of adjusting to stow the blade 13;
the method for adjusting the fixed blade 13 is as follows: the outer adjusting pipe 4 is moved up or down, so that the limiting block 46 is moved into the upper connecting groove 25 or the lower connecting groove 26; then, stabilizing the cutter head 1, rotating the outer adjusting pipe 4 relative to the axis of the mounting pipe 2, enabling the limiting block 46 to move to the top end or the bottom end of the first limiting groove 22 through the upper connecting groove 25 or the lower connecting groove 26, enabling one ends of the plurality of adjusting plates 32 along the circumferential direction of the adjusting plate 31 to respectively abut against the inner side edges of the corresponding blades 13, then loosening the outer adjusting pipe 4, pushing the sliding block 43 to reset through the reset spring 44, and enabling the limiting block 46 to move into the first limiting groove 22; as shown in fig. 2;
the method for adjusting the movable blade 13 comprises the following steps: the outer adjusting pipe 4 is moved up or down, so that the limiting block 46 is moved into the upper connecting groove 25 or the lower connecting groove 26; then, the cutter head 1 is stabilized, the outer adjusting pipe 4 is rotated relative to the axis of the installation pipe 2, the limiting block 46 moves to the top end or the bottom end of the second limiting groove 23 through the upper connecting groove 25 or the lower connecting groove 26, the adjusting plate 32, the cutter groove 11 and the blade 13 are arranged in a staggered mode at the moment, the blade 13 is twisted by the torsion spring, the rear end of the outer side edge of the blade 13 abuts against one end of the cutter groove 11, then the outer adjusting pipe 4 is loosened, the sliding block 43 is pushed by the reset spring 44 to reset, and the limiting block 46 moves to the second limiting groove 23; as shown in fig. 4;
the method for adjusting the accommodation of the blade 13 comprises the following steps: the outer adjusting pipe 4 is moved up or down, so that the limiting block 46 is moved into the upper connecting groove 25 or the lower connecting groove 26; then stabilize blade disc 1 to rotatory outer adjusting pipe 4 relative to installation pipe 2 axis makes stopper 46 move to spacing groove three 24 top or bottom through linking up groove 25 or lower linking groove 26, and the medial surface of regulating plate 32 supports the outside limit of blade 13 this moment, and makes blade 13 wholly be located sword groove 11, later loosens outer adjusting pipe 4, and promotes the slider 43 through reset spring 44 and resets, makes stopper 46 move to spacing groove three 24 in. As shown in fig. 6.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the cutter head 1, the cutter groove 11, the rotating shaft 12, the blade 13, the mounting pipe 2, the positioning groove 21, the first limiting groove 22, the second limiting groove 23, the third limiting groove 24, the upper connecting groove 25, the lower connecting groove 26, the sliding groove 27, the positioning strip 28, the connecting pipe 29, the inner adjusting pipe 3, the adjusting disk 31, the adjusting plate 32, the positioning block 33, the aligning groove 34, the inner connecting rod 35, the outer adjusting pipe 4, the adjusting groove 41, the aligning block 42, the sliding block 43, the return spring 44, the outer connecting rod 45, the limiting block 46 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (9)
1. An adjustable mower cutter comprises a disc-shaped cutter head (1), wherein a mounting hole is formed in the circle center of the cutter head (1), a plurality of arc-shaped cutter grooves (11) distributed along the circumferential direction of the cutter head (1) are formed in the periphery of the cutter head (1), the bottoms of the cutter grooves (11) are of arc-shaped structures coaxial with the cutter head (1), the adjustable mower cutter further comprises arc-shaped sheet blades (13) movably hinged to one ends of the cutter grooves (11) through rotating shafts (12), the blades (13) are integrally positioned in the cutter grooves (11), two sides of the blades (13) are attached to two side groove walls of the cutter grooves (11), the axis of each rotating shaft (12) is perpendicular to the top surface of the cutter head (1) and the blades (13), each blade (13) is provided with an arc-shaped outer side edge and an arc-shaped inner side edge, the inner side edges of the blades (13) are abutted to the bottoms of the cutter grooves (11), the outer side edges of, blade (13) outside limit has the cutting edge, is equipped with the torsional spring between blade (13) and pivot (12), and torsional spring can twist blade (13) and rotate around pivot (12), and make blade (13) front end expose in sword groove (11), and blade (13) outside limit rear end supports in sword groove (11) one end, and make blade (13) inboard edge and sword groove (11) tank bottom contained angle be the acute angle, its characterized in that: cutterhead (1) top surface be fixed with the tubulose installation pipe (2) of circle with the coaxial setting of cutterhead (1), installation pipe (2) bottom is connected with the mounting hole, still including cooperation cover at the tubulose interior control tube (3) in installation pipe (2) outside, interior control tube (3) bottom mounting has adjusting disk (31) of the disk of bottom surface laminating on cutterhead (1) top surface, and adjusting disk (31) bottom surface periphery is fixed with a plurality of arc platelike regulating plate (32), regulating plate (32) medial surface and lateral surface are the cambered surface shape coaxial with adjusting disk (31), and regulating plate (32) medial surface laminating is in cutterhead (1) periphery, the coaxial annular constant head tank (21) that is equipped with of installation pipe (2) outer wall, interior control tube (3) inner wall is equipped with locating piece (33) that the slip is located constant head tank (21), still include tubulose outer regulation pipe (4), the inner wall of the outer adjusting pipe (4) close to the bottom end is coaxially provided with an adjusting groove (41), the outer adjusting pipe (4) is sleeved outside the mounting pipe (2) in a matching manner, the adjusting groove (41) is sleeved outside the inner adjusting pipe (3) in a matching manner, the outer wall of the inner adjusting pipe (3) and the wall of the adjusting groove (41) are respectively provided with a counterpoint groove (34) and a counterpoint block (42) which is positioned on the counterpoint groove (34) in a sliding manner, the length direction of the counterpoint groove (34) is parallel to the axis of the inner adjusting pipe (3), the outer wall of the mounting pipe (2) is respectively provided with a first limiting groove (22), a second limiting groove (23) and a third limiting groove (24) which are parallel to the axis of the mounting pipe (2) in length direction, an upper connecting groove (25) and a lower connecting groove (26) which are arranged along the circumferential direction of the mounting pipe (2), and the two ends of the upper connecting groove (25) are respectively and vertically connected with the top end of the first limiting groove (, the top end of a second limiting groove (23) is vertically connected with the middle part of an upper joining groove (25), the two ends of a lower joining groove (26) are respectively vertically connected with the bottom end of a first limiting groove (22) and the bottom end of a third limiting groove (24), the bottom end of the second limiting groove (23) is vertically connected with the middle part of the lower joining groove (26), the inner wall of an outer adjusting pipe (4) is provided with a limiting block (46) which is positioned on the first limiting groove (22) in a sliding manner, the outer wall of an installation pipe (2) and the inner wall of the outer adjusting pipe (4) are respectively and coaxially provided with a sliding groove (27) and an annular sliding block (43) which is positioned on the sliding groove (27) in a sliding manner, the device further comprises two reset springs (44) which are positioned on the sliding groove (27), one ends of the two reset springs (44) are respectively abutted against the two ends of the sliding groove (27), the other ends of the two reset springs (44) are respectively abutted against the two sides of the sliding, the limiting block (46) is positioned in the middle of the first limiting groove (22), and one ends of the plurality of adjusting plates (32) along the circumferential direction of the adjusting disc (31) are respectively abutted against the inner side edges of the corresponding blades (13);
the outer adjusting pipe (4) can move up or down, the limiting block (46) is moved to the top end or the bottom end of the first limiting groove (22), the outer adjusting pipe (4) is rotated relative to the axis of the mounting pipe (2), the limiting block (46) is moved to the top end or the bottom end of the second limiting groove (23) through the upper connecting groove (25) or the lower connecting groove (26), the adjusting plate (32), the knife groove (11) and the blade (13) are arranged in a staggered mode at the moment, the blade (13) is twisted by the torsion spring, the rear end of the outer side edge of the blade (13) abuts against one end of the knife groove (11), the outer adjusting pipe (4) can be loosened, the sliding block (43) is pushed by the reset spring (44) to reset, and the limiting block (46) is moved into the second limiting groove (23);
the outer adjusting pipe (4) can also move up or down, the limiting block (46) is moved to the top end or the bottom end of the second limiting groove (23), the outer adjusting pipe (4) rotates relative to the axis of the mounting pipe (2), the limiting block (46) is moved to the top end or the bottom end of the third limiting groove (24) through the upper connecting groove (25) or the lower connecting groove (26), the inner side face of the adjusting plate (32) abuts against the outer side edge of the blade (13), the blade (13) is integrally positioned in the cutter groove (11), the outer adjusting pipe (4) can be loosened, the sliding block (43) is pushed through the reset spring (44) to reset, and the limiting block (46) is moved to the third limiting groove (24).
2. The adjustable mower blade of claim 1, wherein: the limiting groove I (22), the limiting groove II (23), the limiting groove III (24), the upper connecting groove (25) and the lower connecting groove (26) are all located in the sliding groove (27), and the limiting block (46) is located on the inner wall of the sliding block (43).
3. The adjustable mower blade of claim 2, wherein: the inner wall of the mounting pipe (2) is provided with a positioning strip (28) with the length direction parallel to the axis of the mounting pipe (2).
4. The adjustable mower blade of claim 3, wherein: outer adjusting pipe (4) on be equipped with outer connecting hole, and the spiro union has outer connecting rod (45) on the outer connecting hole, just outer connecting rod (45) tip support on spacing groove (22), and form stopper (46), interior adjusting pipe (3) on be equipped with the in-connection hole, and the in-connection hole on the spiro union have in-connection pole (35), just in-connection pole (35) tip support on constant head tank (21), and form locating piece (33), installation pipe (2) outer wall spiro union have connecting pipe (29), just connecting pipe (29) bottom form spout (27) top.
5. The adjustable mower blade of claim 4, wherein: one side of the adjusting plate (32) far away from the adjusting disc (31) is aligned with the bottom surface of the cutter disc (1).
6. The adjustable mower blade of claim 5, wherein: the periphery of the cutter head (1) is provided with a plurality of blades (13) at intervals along the circumferential direction.
7. The adjustable mower blade of claim 6, wherein: the cutter head (1) and the mounting pipe (2) are of an integrated structure, and the adjusting disc (31), the adjusting plate (32) and the inner adjusting pipe (3) are of an integrated structure.
8. The adjustable mower blade of claim 7, wherein: the outer wall of the outer adjusting pipe (4) is provided with anti-skid grains.
9. An adjustment method for an adjustable mower blade according to any one of claims 1 to 8, characterized in that: comprises a method for adjusting as a fixed blade (13), a method for adjusting as a movable blade (13) and a method for adjusting to store the blade (13);
the method for adjusting the fixed blade (13) comprises the following steps: the outer adjusting pipe (4) is moved upwards or downwards, so that the limiting block (46) is moved into the upper connecting groove (25) or the lower connecting groove (26); then stabilizing the cutter head (1), rotating the outer adjusting pipe (4) relative to the axis of the mounting pipe (2), enabling the limiting block (46) to move to the top end or the bottom end of the first limiting groove (22) through the upper connecting groove (25) or the lower connecting groove (26), enabling one ends of a plurality of adjusting plates (32) along the circumferential direction of the adjusting disc (31) to respectively abut against the inner side edges of the corresponding blades (13), then loosening the outer adjusting pipe (4), and pushing the sliding block (43) to reset through the reset spring (44), so that the limiting block (46) moves into the first limiting groove (22);
the method for adjusting the movable blade (13) comprises the following steps: the outer adjusting pipe (4) is moved upwards or downwards, so that the limiting block (46) is moved into the upper connecting groove (25) or the lower connecting groove (26); then stabilizing the cutter head (1), rotating the outer adjusting pipe (4) relative to the axis of the mounting pipe (2), enabling the limiting block (46) to move to the top end or the bottom end of the second limiting groove (23) through the upper connecting groove (25) or the lower connecting groove (26), arranging the adjusting plate (32), the cutter groove (11) and the blade (13) in a staggered mode, twisting the blade (13) through a torsion spring, enabling the rear end of the outer side edge of the blade (13) to abut against one end of the cutter groove (11), then loosening the outer adjusting pipe (4), pushing the sliding block (43) to reset through a reset spring (44), and enabling the limiting block (46) to move into the second limiting groove (23);
the method for adjusting the containing of the blade (13) comprises the following steps: the outer adjusting pipe (4) is moved upwards or downwards, so that the limiting block (46) is moved into the upper connecting groove (25) or the lower connecting groove (26); after stabilize blade disc (1), and install pipe (2) axis rotation outer adjusting pipe (4) relatively, make stopper (46) move to spacing groove three (24) top or bottom through linking up groove (25) or linking up groove (26) down, and regulation board (32) medial surface supports blade (13) outside limit this moment, and make blade (13) wholly be located sword groove (11), later loosen outer adjusting pipe (4), and promote slider (43) through reset spring (44) and reset, make stopper (46) move to spacing groove three (24) in.
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| CN201811127347.7A CN109220163B (en) | 2018-09-27 | 2018-09-27 | Adjustable mower cutter and adjusting method thereof |
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| CN201811127347.7A CN109220163B (en) | 2018-09-27 | 2018-09-27 | Adjustable mower cutter and adjusting method thereof |
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| CN109220163B true CN109220163B (en) | 2020-07-14 |
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| CN114700154B (en) * | 2022-04-20 | 2023-09-29 | 浙江能伟科技有限公司 | Pressure-adjustable break-proof crushing cutter |
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| CN109220163A (en) | 2019-01-18 |
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