CN108668605B - A replaceable garden lawn mower - Google Patents

Abstract

The invention discloses a replaceable garden lawn mower, which relates to the technical field of garden machinery. It includes a gantry type mounting frame, two adjustment drive mechanisms are symmetrically arranged on the inner sides of both ends of the gantry type installation frame, and a lawn mower is fitted between the two adjustment drive mechanisms; the adjustment drive mechanism includes an adjustment assembly, a horizontal cylinder and a drive motor; The lawn mower includes a rotating shaft, and the rotating shaft is evenly distributed with rotary cutter groups along its axial direction. The beneficial effects of the present invention are: through the two symmetrically arranged adjustment drive mechanisms, the drive and disassembly of the lawn mower between the two adjustment drive mechanisms are realized. During installation, the horizontal cylinders at both ends first control the two adjustment assemblies to face each other. Move until the two adjustment assemblies clamp the lawn mower, and then control the transmission parts on the two adjustment assemblies to move towards each other synchronously, so that the two ring gears at the ends are meshed with each other, and when disassembling, it is only necessary to reverse the above steps. Yes, it is very convenient for workers to maintain and replace the lawn mower in time.

Description

A replaceable garden lawn mower

technical field

The invention relates to the technical field of garden machinery, in particular to a replaceable garden lawn mower.

Background technique

Garden machinery refers to chainsaws, edge cutters, edge trimmers, hedge trimmers, brush cutters, grass combs, high branch machines, leaf suction machines, lawn mowers, lawn trimmers, etc. for landscaping, garden construction, gardening, etc. Maintenance of mechanical equipment. Mowing is one of the basic tasks of lawn maintenance. Lawn mowers are also known as weeding machines, lawn mowers, lawn trimmers, etc. A lawnmower is a mechanical tool for mowing lawns, vegetation, etc. It consists of a cutter head, an engine, a walking wheel, a walking mechanism, a blade, a handrail, and a control part. The cutter head is installed on the traveling wheel, the cutter head is equipped with an engine, and the output shaft of the engine is equipped with a blade. The blade uses the high-speed rotation of the engine to improve the speed a lot, which saves the work time of the weeding workers and reduces a lot of human resources. Choosing the right lawn trimmer is the premise to ensure the quality of lawn trimming. The type of lawn trimmer should be determined according to the function of the lawn. The greens and teeing tables of the golf course use green machines and tee lawn trimmers; fairways and sports fields. For lawns, such as football fields, rugby fields, etc., the best choice is a hob lawn mower, or a rotary knife lawn mower; ordinary green spaces, landscape lawns, etc., use a rotary knife lawn mower; golf course slopes use suspension lawn mowers; lawn mowers can be used for lawns in forests or lawns with many obstacles.

At present, the lawnmower of the existing lawnmower is difficult to disassemble and assemble, so that it is not easy for staff to maintain and replace it in time, which greatly affects the mowing efficiency and mowing quality, and increases safety hazards.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is how to conveniently replace and maintain the lawn mower.

In order to solve the above technical problems, the present invention provides a replaceable garden lawn mower, which facilitates the replacement and maintenance of the lawn mower, and effectively improves the mowing efficiency and quality of the overall lawn mower.

A replaceable garden lawn mower, which is characterized in that it comprises a portal type mounting frame, two adjustment driving mechanisms are symmetrically arranged on the inner sides of both ends of the portal type mounting frame, and a mower is installed between the two adjustment driving mechanisms. Grass cutter; the adjustment drive mechanism includes an adjustment assembly, a horizontal cylinder and a drive motor, the adjustment assembly includes a support piece, the support piece is a horizontally arranged cylindrical structure, and the front end and the rear end of the support piece are respectively provided with The front end cover and the rear end cover are matched, the support piece is provided with a sliding piece that matches its inner cavity, the support piece is covered with a transmission piece, and the middle part of the front end of the front end cover is provided with a cylindrical groove, the A mounting piece is arranged in the cylindrical groove, the mounting piece has a cylindrical structure, and its rear end is rotatably supported in the cylindrical groove through a bearing, the front end of the mounting piece is provided with a slot, and the sliding piece It is a horizontally arranged cylindrical structure, and the inner magnetic ring is sleeved on the outer side of the middle part of the sliding part, and the outer side of the end part of the sliding part is sleeved with a first wear-resistant ring and a sealing ring, and the sealing ring restricts the first wear-resistant ring. It is located between the sealing ring and the inner magnetic ring, and the front and rear ends of the sliding member are also provided with sealing covers. The end of the outer magnetic ring is provided with a self-lubricating bearing and a second wear-resistant ring, the second wear-resistant ring confines the self-lubricating bearing between the second wear-resistant ring and the outer magnetic ring, and the second wear-resistant ring It is connected with the transmission member through bolts. The front end of the transmission member is provided with a first ring gear, and the rear end is provided with an external gear. The horizontal cylinder is provided at the rear end of the adjustment assembly, and its piston rod is set forward. The front end of the motor shaft is fixedly connected with the rear end cover, the driving motor is arranged above the horizontal cylinder, and its motor shaft is arranged forward, and the front end of the motor shaft is provided with a driving gear, which meshes with the external gear; The lawn mower includes a rotating shaft, the rotating shaft is arranged horizontally, and the rotating shaft is uniformly distributed with a rotary knife group along its axial direction, and the rotating knife group includes at least four rotating knives uniformly distributed in the circumferential direction of the rotating shaft. The two ends of the rotating shaft are symmetrically provided with clamping protrusions, and the two ends of the rotating shaft are sheathed with transmission rings, the clamping protrusions are matched with the clamping grooves, and the outer side of the transmission ring is provided with a second ring gear that is compatible with the first ring gear. gear.

Further, a first oil inlet and a second oil inlet are respectively provided on the side wall of the support member, and two ends of the first oil inlet are respectively connected with the rear end inner cavity of the support member and the outer surface of the support member. The two ends of the second oil inlet are respectively communicated with the inner cavity of the front end of the support piece and the outer surface of the support piece.

Further, both the front end cover and the rear end cover are connected to the end of the support member by bolts.

Further, sealing gaskets are provided on the inner sides of the front end cover and the rear end cover.

Further, an annular groove is provided in the outer middle portion of the sealing ring, and a sealing ring matched with the annular groove is arranged in the annular groove.

Further, the ends of the rotary knives are bent and arranged, and the ends of the rotary knives of two adjacent rotary knife groups are bent toward each other.

Further, the card protrusions are in the form of a cube.

Further, the rotary knife group has ten groups, and each rotary knife group includes four rotary knives.

Further, a protective cover is also provided on the drive motor.

The beneficial effects of the present invention are:

(1) The overall structure of the present invention is ingeniously designed. Through the two symmetrically arranged adjustment drive mechanisms, the drive and disassembly of the lawn mower between the two adjustment drive mechanisms are realized. During installation, the horizontal cylinders at both ends first control the two The adjustment assemblies move toward each other until the two adjustment assemblies clamp the lawn mower, and then the transmission parts on the two adjustment assemblies are controlled to move toward each other synchronously, so that the two ring gears at the ends can mesh with each other, and only the reverse operation is required for disassembly. The above steps are sufficient, which greatly facilitates the timely maintenance and replacement of the lawn mower by workers, thereby effectively ensuring the mowing efficiency and mowing quality of the overall lawn mower;

(2) In the present invention, the strong magnetic force between the inner magnetic ring and the outer magnetic ring is used in the adjustment drive mechanism. When the sliding member inside the support member is displaced, it will synchronously drive the displacement of the transmission member outside the support member, which is convenient and quick to adjust. , and the displacement of the sliding member is driven by hydraulic pressure, which greatly improves the displacement of the sliding member and the stability after positioning, and ensures the mowing efficiency.

Description of drawings

FIG. 1 is a schematic structural diagram of a replaceable garden lawn mower of the present invention.

FIG. 2 is a schematic structural diagram of an adjustment drive mechanism in a replaceable garden lawn mower of the present invention.

FIG. 3 is a partial enlarged view of A in FIG. 2 .

4 is a schematic structural diagram of a lawn mower in a replaceable garden lawn mower of the present invention.

FIG. 5 is a side view of FIG. 4 .

List of reference numbers:

1-Gate type mounting bracket, 2-Adjustment assembly, 21-Support piece, 22-Front end cover, 221-Installation piece, 222-Bearing, 23-Rear end cover, 24-Slide piece, 25-Transmission piece, 26-Inner Magnetic ring, 27-first wear ring, 28-seal ring, 29-seal cover, 30-outer magnetic ring, 31-self-lubricating bearing, 32-second wear ring, 33-first ring gear, 34- External gear, 4-horizontal cylinder, 5-drive motor, 51-drive gear, 6-rotating shaft, 7-rotary knife group, 71-rotary knife, 8-card protrusion, 9-transmission ring, 10-second ring gear, 11 - Protective cover.

Detailed ways

The present invention will be further clarified below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" ” refer to directions towards or away from the geometric center of a particular part, respectively.

Example 1

A replaceable garden lawn mower provided in this embodiment has a structure as shown in the figure, including a gantry type mounting frame 1. Two adjustment driving mechanisms are symmetrically arranged on the inner sides of both ends of the gantry type installation frame 1. A lawn mower is installed between them; the adjustment drive mechanism includes an adjustment assembly 2, a horizontal cylinder 4 and a drive motor 5, and the adjustment assembly 2 includes a support member 21, and the support member 21 is a horizontally arranged cylindrical structure. The front end of the support member 21 and The rear end is respectively provided with a front end cover 22 and a rear end cover 23 which are matched with it. The support piece 21 is provided with a sliding piece 24 which is matched with its inner cavity. A cylindrical groove is arranged in the middle of the front end, and a mounting member 221 is arranged in the cylindrical groove. The mounting member 221 has a cylindrical structure, and its rear end is rotatably supported in the cylindrical groove through a bearing 222. The front end of the mounting member 221 There is a slot, the sliding member 24 is a horizontal cylindrical structure, and the inner magnetic ring 26 is sleeved on the outer side of the middle part of the sliding member 24, and the first wear-resistant ring 27 and the sealing ring are sleeved on the outer side of the end part of the sliding member 24 28. The sealing ring 28 confines the first wear-resistant ring 27 between the sealing ring 28 and the inner magnetic ring 26, the front and rear ends of the sliding member 24 are also provided with sealing covers 29, and the transmission member 25 is a horizontally arranged cylindrical structure , and the inner side of the middle of the transmission member 25 is provided with an outer magnetic ring 30, and the end of the outer magnetic ring 30 is provided with a self-lubricating bearing 31 and a second wear-resistant ring 32, and the second wear-resistant ring 32 confines the self-lubricating bearing 31 to the first Between the two wear-resistant rings 32 and the outer magnetic ring 30, and the second wear-resistant ring 32 is connected with the transmission member 25 by bolts, the front end of the transmission member 25 is provided with a first ring gear 33, and the rear end is provided with an external gear 34, The horizontal cylinder 4 is arranged at the rear end of the adjustment assembly 2, and its piston rod is arranged forward, and the front end of the piston rod is fixedly connected with the rear end cover 23. The drive motor 5 is arranged above the horizontal cylinder 4, and its motor shaft is arranged forward. , the front end of the motor shaft is provided with a drive gear 51, which meshes with the external gear 34; the lawn mower includes a rotating shaft 6, the rotating shaft 6 is arranged horizontally, and the rotating shaft 6 is uniformly distributed along its axial direction with a rotary knife group 7, The rotary knife group 7 includes at least four rotary knives 71 evenly distributed in the circumferential direction of the rotary shaft 6. The two ends of the rotary shaft 6 are symmetrically provided with clamping protrusions 8, and the two ends of the rotary shaft 6 are provided with transmission rings 9. The slots are adapted to match, and the outer side of the transmission ring 9 is provided with a second ring gear 10 which is adapted to the first ring gear 33 .

Through the two symmetrically arranged adjustment drive mechanisms, the drive and disassembly of the lawn mower between the two adjustment drive mechanisms are realized. During installation, the horizontal cylinders at both ends control the two adjustment assemblies to move toward each other, and until the two adjustment assemblies move toward each other. Clamp the lawn mower, and then synchronously control the transmission parts on the two adjustment components to move toward each other, so that the two ring gears at the ends can mesh with each other, and when disassembling, you only need to reverse the above steps, which greatly facilitates the worker. Timely maintenance and replacement of lawn mowers can effectively ensure the mowing efficiency and mowing quality of the overall lawn mower.

In the present invention, the strong magnetic force between the inner magnetic ring and the outer magnetic ring is used in the adjustment drive mechanism. When the sliding member inside the support member is displaced, it will synchronously drive the displacement of the transmission member outside the support member, which is convenient and quick to adjust, and because The displacement of the sliding element is driven by hydraulic pressure, which greatly improves the displacement of the sliding element and the stability after positioning, and ensures the mowing efficiency.

In this embodiment, a first oil inlet and a second oil inlet are respectively provided on the side wall of the support member 21 , and two ends of the first oil inlet are respectively connected to the rear end cavity of the support member 21 and the support member 21 . The outer surfaces are communicated with each other, and both ends of the second oil inlet are communicated with the inner cavity of the front end of the support member 21 and the outer surface of the support member 21 respectively.

In this embodiment, both the front end cover 22 and the rear end cover 23 are connected to the ends of the support member 21 by bolts, and the inner sides of the front end cover 22 and the rear end cover 23 are provided with sealing gaskets. On the one hand, the stability of the connection between the front end cover 22 and the rear end cover 23 and the support member 21 is ensured, and on the other hand, the sealing between the front end cover 22 and the rear end cover 23 and the support member 21 is also ensured.

Example 2

A replaceable garden lawn mower provided in this embodiment has a structure as shown in the figure, including a gantry type mounting frame 1. Two adjustment driving mechanisms are symmetrically arranged on the inner sides of both ends of the gantry type installation frame 1. A lawn mower is installed between them; the adjustment drive mechanism includes an adjustment assembly 2, a horizontal cylinder 4 and a drive motor 5, and the adjustment assembly 2 includes a support member 21, and the support member 21 is a horizontally arranged cylindrical structure. The front end of the support member 21 and The rear end is respectively provided with a front end cover 22 and a rear end cover 23 which are matched with it. The support piece 21 is provided with a sliding piece 24 which is matched with its inner cavity. A cylindrical groove is arranged in the middle of the front end, and a mounting member 221 is arranged in the cylindrical groove. The mounting member 221 has a cylindrical structure, and its rear end is rotatably supported in the cylindrical groove through a bearing 222. The front end of the mounting member 221 There is a slot, the sliding member 24 is a horizontal cylindrical structure, and the inner magnetic ring 26 is sleeved on the outer side of the middle part of the sliding member 24, and the first wear-resistant ring 27 and the sealing ring are sleeved on the outer side of the end part of the sliding member 24 28. The sealing ring 28 confines the first wear-resistant ring 27 between the sealing ring 28 and the inner magnetic ring 26, the front and rear ends of the sliding member 24 are also provided with sealing covers 29, and the transmission member 25 is a horizontally arranged cylindrical structure , and the inner side of the middle of the transmission member 25 is provided with an outer magnetic ring 30, the end of the outer magnetic ring 30 is provided with a self-lubricating bearing 31 and a second wear ring 32, and the second wear ring 32 confines the self-lubricating bearing 31 to the first Between the two wear-resistant rings 32 and the outer magnetic ring 30, and the second wear-resistant ring 32 is connected with the transmission member 25 by bolts, the front end of the transmission member 25 is provided with a first ring gear 33, and the rear end is provided with an external gear 34, The horizontal cylinder 4 is arranged at the rear end of the adjustment assembly 2, and its piston rod is arranged forward, and the front end of the piston rod is fixedly connected with the rear end cover 23. The drive motor 5 is arranged above the horizontal cylinder 4, and its motor shaft is arranged forward. , the front end of the motor shaft is provided with a drive gear 51, which meshes with the external gear 34; the lawn mower includes a rotating shaft 6, the rotating shaft 6 is arranged horizontally, and the rotating shaft 6 is uniformly distributed along its axial direction with a rotary knife group 7, The rotary knife group 7 includes at least four rotary knives 71 evenly distributed in the circumferential direction of the rotary shaft 6. The two ends of the rotary shaft 6 are symmetrically provided with clamping protrusions 8, and both ends of the rotary shaft 6 are provided with transmission rings 9. The slots are adapted to match, and the outer side of the transmission ring 9 is provided with a second ring gear 10 which is adapted to the first ring gear 33 .

Through the two symmetrically arranged adjustment drive mechanisms, the drive and disassembly of the lawn mower between the two adjustment drive mechanisms are realized. During installation, the horizontal cylinders at both ends control the two adjustment assemblies to move toward each other, and until the two adjustment assemblies move toward each other. Clamp the lawn mower, and then synchronously control the transmission parts on the two adjustment components to move toward each other, so that the two ring gears at the ends can mesh with each other, and when disassembling, you only need to reverse the above steps, which greatly facilitates the worker. Timely maintenance and replacement of lawn mowers can effectively ensure the mowing efficiency and mowing quality of the overall lawn mower.

In the present invention, the strong magnetic force between the inner magnetic ring and the outer magnetic ring is used in the adjustment drive mechanism. When the sliding member inside the support member is displaced, it will synchronously drive the displacement of the transmission member outside the support member, which is convenient and quick to adjust, and because The displacement of the sliding element is driven by hydraulic pressure, which greatly improves the displacement of the sliding element and the stability after positioning, and ensures the mowing efficiency.

In this embodiment, a first oil inlet and a second oil inlet are respectively provided on the side wall of the support member 21 , and two ends of the first oil inlet are respectively connected to the rear end cavity of the support member 21 and the support member 21 . The outer surfaces are communicated with each other, and both ends of the second oil inlet are communicated with the inner cavity of the front end of the support member 21 and the outer surface of the support member 21 respectively.

In this embodiment, both the front end cover 22 and the rear end cover 23 are connected to the ends of the support member 21 by bolts, and the inner sides of the front end cover 22 and the rear end cover 23 are provided with sealing gaskets. On the one hand, the stability of the connection between the front end cover 22 and the rear end cover 23 and the support member 21 is ensured, and on the other hand, the sealing between the front end cover 22 and the rear end cover 23 and the support member 21 is also ensured.

In this embodiment, an annular groove is provided in the outer middle portion of the sealing ring 28, and a sealing ring adapted to the annular groove is provided in the annular groove.

In this embodiment, the ends of the rotary knives 71 are bent, and the ends of the rotary knives 71 of the two adjacent rotary knife groups 7 are curved toward each other, and the clamping protrusions 8 are in the form of a cube. In this embodiment, the rotary knife groups 7 have ten and each rotary knife group 7 includes four rotary knives 71 .

In this embodiment, the driving motor 5 is further provided with a protective cover 11 , and the protective cover 11 can effectively protect the normal operation of the driving motor 5 .

In addition to the above-described embodiments, the present invention may also have other embodiments. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (9)

1. A replaceable garden lawn mower, characterized in that it comprises a gantry type mounting frame (1), and two adjustment drive mechanisms are symmetrically arranged on the inner sides of both ends of the gantry type installation frame (1). A lawn mower is installed between the driving mechanisms; The adjustment drive mechanism includes an adjustment assembly (2), a horizontal cylinder (4) and a drive motor (5), the adjustment assembly (2) includes a support member (21), and the support member (21) is in the shape of a horizontally arranged circle A cylindrical structure, the front end and the rear end of the support member (21) are respectively provided with a front end cover (22) and a rear end cover (23) that are adapted to the support member (21), and the support member (21) is provided with a corresponding inner cavity. The sliding member (24), the supporting member (21) is provided with a transmission member (25) on the outer sleeve, the front end middle of the front end cover (22) is provided with a cylindrical groove, and the cylindrical groove is provided with a mounting member (221) ), the mounting piece (221) has a cylindrical structure, and its rear end is rotatably supported in the cylindrical groove through a bearing (222). The sliding member (24) has a horizontal cylindrical structure, and the inner magnetic ring (26) is sleeved on the outer side of the middle part of the sliding member (24), and the first wear-resistant ring (27) is sleeved on the outer side of the end part of the sliding member (24). ) and a sealing ring (28), the sealing ring (28) confines the first wear ring (27) between the sealing ring (28) and the inner magnetic ring (26). The two ends are also provided with sealing covers (29), the transmission member (25) has a cylindrical structure arranged horizontally, and an outer magnetic ring (30) is arranged inside the middle of the transmission member (25), and the outer magnetic ring The end of (30) is provided with a self-lubricating bearing (31) and a second wear ring (32), the second wear ring (32) confines the self-lubricating bearing (31) to the second wear ring (32) ) and the outer magnetic ring (30), and the second wear-resistant ring (32) is connected with the transmission member (25) through bolts, the front end of the transmission member (25) is provided with a first ring gear (33), There is an external gear (34) outside the end, the horizontal cylinder (4) is arranged at the rear end of the adjustment assembly (2), and its piston rod is arranged forward, and the front end of the piston rod is fixedly connected with the rear end cover (23), The drive motor (5) is arranged above the horizontal cylinder (4), and its motor shaft is arranged forward, and the front end of the motor shaft is provided with a drive gear (51), the drive gear (51) and the external gear (34) mesh; The lawn mower includes a rotating shaft (6), the rotating shaft (6) is arranged horizontally, and the rotating shaft (6) is uniformly distributed with rotary knife groups (7) along its axial direction, and the rotary knife group (7) includes At least four rotary knives (71) evenly distributed in the circumferential direction of the rotating shaft (6), the two ends of the rotating shaft (6) are symmetrically provided with clamping protrusions (8), and both ends of the rotating shaft (6) are provided with transmission A ring (9), the snap protrusion (8) is matched with the snap groove, and the outer side of the transmission ring (9) is provided with a second ring gear (10) matched with the first ring gear (33). 2. A replaceable garden lawn mower according to claim 1, characterized in that: a first oil inlet and a second oil inlet are respectively provided on the side walls of the support (21), so The two ends of the first oil inlet are respectively communicated with the rear end inner cavity of the support (21) and the outer surface of the support (21), and the two ends of the second oil inlet are respectively connected with the front end of the support (21). The inner cavity communicates with the outer surface of the support (21). 3. A replaceable garden lawn mower according to claim 1, characterized in that both the front end cover (22) and the rear end cover (23) are connected to the end of the support (21) by bolts . 4. A replaceable garden lawn mower according to claim 1, characterized in that a sealing gasket is provided inside the front end cover (22) and the rear end cover (23). 5. A replaceable garden lawn mower according to claim 1, characterized in that: an annular groove is provided in the middle of the outer side of the sealing ring (28), and an annular groove is provided in the annular groove. matching sealing ring. 6. A replaceable garden lawn mower according to claim 1, characterized in that: the end of the rotary knife (71) is curved, and the rotary knives (71) of the adjacent two rotary knife groups (7) ) ends are bent towards each other. 7 . The replaceable garden lawn mower according to claim 1 , wherein the clipping protrusion ( 8 ) is in the form of a cube. 8 . 8. A replaceable garden lawn mower according to claim 1, characterized in that: the rotary knife group (7) has ten groups, and each rotary knife group (7) comprises four rotary knives (7). 71). 9 . The replaceable garden lawn mower according to claim 1 , wherein a protective cover ( 11 ) is further provided on the drive motor ( 5 ). 10 .

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