CN110214551B

CN110214551B - Lawn mower for afforestation

Info

Publication number: CN110214551B
Application number: CN201910385700.XA
Authority: CN
Inventors: 贾小波
Original assignee: Beijing Baoding Greening Engineering Co ltd
Current assignee: Beijing Baoding Greening Engineering Co ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2021-01-15
Anticipated expiration: 2039-05-09
Also published as: CN110214551A

Abstract

The invention relates to a lawn mower for greening, which comprises a body, wherein wheels are arranged on two sides of the body, a cutting device is arranged on the body, the cutting device comprises a blade horizontally arranged below the body, a lifting device and two driving devices are arranged on the body, the two driving devices are respectively arranged at the front end of the body and the rear end of the body, the cutting device is arranged on the lifting device, a transmission device is arranged between the lifting device and the driving devices, the driving device arranged at the front end of the body drives the lifting device to ascend through the transmission device, and the driving device arranged at the rear end of the body drives the lifting device to descend through the transmission device. The invention has the effects that the blade can avoid hard articles and the damage of the blade is reduced.

Description

Lawn mower for afforestation

Technical Field

The invention relates to the technical field of lawn greening equipment, in particular to a lawn mower for greening.

Background

In lawn greening, after the grass in the lawn grows too long, the grass needs to be cut to control the grass growth on the lawn and beautify the lawn, and a mower, which is a mechanical tool for trimming the lawn, vegetation and the like, is generally used in the process of cutting the grass in a large area. A cutting device of the lawn mower is disposed below the housing, the cutting device being for performing a cutting operation.

Patent document No. CN105875063B discloses a mower, which comprises a body, a cutting device is arranged below the body, the cutting device comprises a blade, the blade is horizontally arranged, wheels are mounted on two sides of the body, the wheels are used for supporting a housing, and when a worker pushes the body to move forward, the blade horizontally rotates and simultaneously trims grass below the housing.

However, in such a structure, if a hard object such as a large stone appears in front of the body, if the height of the object is higher than the position of the blade, the blade will make a hard impact on the hard object, thereby causing damage to the blade.

Disclosure of Invention

The invention aims to provide a lawn mower for greening, which has the effects that a blade can avoid hard objects and the blade is reduced from being damaged.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a lawn mower for afforestation, includes the body, and the both sides of body are provided with the wheel, are provided with cutting device on the body, and cutting device includes that the level sets up the blade in the body below, be provided with elevating gear and drive arrangement on the body, drive arrangement has two, and two drive arrangement set up respectively at the rear end of body front end and body, and cutting device installs on elevating gear, is provided with transmission between elevating gear and the drive arrangement, and the drive arrangement who is located the body front end passes through transmission drive elevating gear and rises, and the drive arrangement who is located the body rear end passes through transmission drive elevating gear and descends.

Through adopting above-mentioned technical scheme, during the use, at the in-process of body forward translation, because the drive arrangement who is located the body front end meets when great stereoplasm article, drive arrangement will be used and transmission, transmission is to elevating gear upward movement, make the cutting device who is located elevating gear upwards lift, thereby make the blade upwards rise to the top of article, when the body rebound again, when the drive arrangement who is located the body rear end meets the same stereoplasm article, the drive arrangement of body rear end passes through transmission downstream with elevating gear once more, thereby make the blade fall back downwards, thereby accomplish dodging of blade to stereoplasm article, reduce the impaired of blade.

The invention is further configured to: the driving device comprises a detection roller, a guide rod, a spring and a support frame, the detection roller is horizontally arranged and perpendicular to the advancing direction of the body, two ends of the detection roller are rotatably supported on the support frame, the guide rod is vertically fixed on the support frame, the guide rod is vertically connected to the body in a sliding manner, the spring is sleeved on the guide rod, the lower end of the spring is abutted to the support frame, and the upper end of the spring is abutted to the body.

Through adopting above-mentioned technical scheme, the direction of advancing of detection roller level and perpendicular to body to at the in-process that the body moved upwards, the detection roller moves along with the body, and when the detection roller met stereoplasm article, the detection roller upwards overcome the effort rebound of spring, after the detection roller strideed across the peak of article, the spring again will detect the roller along the length direction return downwards of guide bar.

The invention is further configured to: the lifting device comprises a supporting table, a screw rod, a worm wheel and a worm, the cutting device is installed on the supporting table, the supporting table is vertically connected to the body in a sliding mode, the screw rod is vertically fixed to the supporting table, the central line of the worm wheel coincides with the central line of the screw rod, the worm wheel is in threaded connection with the screw rod, the worm is rotatably supported on the body, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, the screw rod is vertical to be fixed on a supporting bench, screw rod and worm wheel threaded connection, and the worm wheel rotates under the drive of worm, and the height of worm wheel remains unchanged to the worm wheel drives the screw rod and upwards or moves down, makes the cutting device who is located a supporting bench reciprocate together, avoids a supporting bench automatic whereabouts under cutting device's action of gravity moreover.

The invention is further configured to: the transmission device comprises a gear, a rack and a driving block, the driving block is fixed at the upper end of the guide rod, the rack is horizontally arranged, the rack is horizontally and slidably connected to the body, the sliding direction is along the length direction of the rack, the length direction of the rack is parallel to the advancing direction of the body, two ends of the rack are respectively corresponding to a driving block, the driving block is provided with a first inclined surface, the end part of the rack is provided with a second inclined surface, the first inclined surface inclines to the ground and faces the rack, and the second inclined surface is opposite to the first inclined surface; the gear is coaxially fixed with the worm and meshed with the rack.

By adopting the technical scheme, the gear and the screw rod are coaxially fixed, the gear is meshed with the rack, the rack is driven by the first inclined surface on the driving block at the front end of the body, so that the rack moves towards the driving block at the rear end of the body in the horizontal direction, and when the rack is driven by the first inclined surface on the driving block at the rear end of the body, the rack moves towards the opposite direction, so that the blade returns.

The invention is further configured to: the rack is provided with a horizontal sliding groove, I-shaped wheels are arranged in the sliding groove, at least two I-shaped wheels are arranged along the length direction of the sliding groove, the I-shaped wheels are supported in the sliding groove in a rolling mode, and the rack is connected to the body in a sliding mode through the I-shaped wheels and the sliding groove.

By adopting the technical scheme, the horizontal sliding groove is formed in the rack, at least two I-shaped wheels are arranged in the sliding groove, the I-shaped wheels roll in the sliding groove, and the friction force between the rack and the body can be reduced through the two I-shaped wheels.

The invention is further configured to: the cutting device further comprises a connecting seat, a driving motor and a connecting shaft, the connecting seat is installed on the body, the driving motor is fixed on the connecting seat, the connecting shaft is coaxially fixed at the output end of the driving motor, the connecting shaft is vertically arranged, and the blade is fixedly arranged at the lower end of the connecting shaft.

Through adopting above-mentioned technical scheme, driving motor's output is fixed with the connecting axle, and the lower extreme of connecting axle drives the blade and rotates, makes the blade horizontal rotation under driving motor's effect.

The invention is further configured to: the adjustable support is characterized in that an adjusting rod is arranged on the connecting seat, the adjusting rod is vertically arranged, the lower end of the adjusting rod is rotatably supported on the support table, the adjusting rod is in threaded connection with the connecting seat, the connecting seat is vertically connected to the body in a sliding mode, and a hand wheel is arranged at the upper end of the adjusting rod.

Through adopting above-mentioned technical scheme, adjust the vertical setting of pole, adjust pole and connecting seat threaded connection, the lower extreme gyration of adjusting the pole is supported on a supporting bench to when the staff rotates the hand wheel, make the regulation pole rotate, adjust the pole and make the connecting seat reciprocate, can make things convenient for the staff to adjust the driving motor who is located on the connecting seat and reciprocate, thereby make the blade reciprocate, adjust the length of pruning the lawn.

The invention is further configured to: the rack is provided with a pointer, one end of the pointer is fixed on the rack, the other end of the pointer extends out of the body, the outer side of the body is provided with a middle mark, and when the rack is located at the middle position of the two driving devices, the middle mark is opposite to the pointer.

Through adopting above-mentioned technical scheme, the one end of pointer is fixed on the rack, and the outside of the body that the other end stretches out, the rack can remove along with the removal of rack to it can make things convenient for the staff to look over the position of rack to be provided with the meso position mark in the body outside.

The invention is further configured to: a plurality of comb-shaped rods are uniformly distributed on the outer wall of the detection roller, and the length direction of the comb-shaped rods is outward from the center position of the detection wheel along the radial direction of the detection wheel.

Through adopting above-mentioned technical scheme, evenly distributed has a plurality of pectination poles on the outer wall of detection roller, because the setting up of pectination pole can make the detection roller support in the top on lawn, reduces the extrusion of detection roller to the turf, damages the lawn.

In conclusion, the beneficial technical effects of the invention are as follows:

1. in the process of forward translation of the body, when the driving device positioned at the front end of the body encounters a large hard article, the driving device acts on the transmission device, the transmission device moves the lifting device upwards to lift the cutting device positioned on the lifting device upwards, so that the blade is lifted upwards above the article, when the body moves upwards again and the driving device positioned at the rear end of the body encounters the same hard article, the driving device at the rear end of the body moves the lifting device downwards again through the transmission device, so that the blade falls back downwards, the blade is avoided for the hard article, and the damage of the blade is reduced;

2. the gear and the screw rod are coaxially fixed, the gear is meshed with the rack, the rack is driven by the first inclined surface on the driving block at the front end of the body to move towards the driving block at the rear end of the body in the horizontal direction, and when the rack is driven by the first inclined surface on the driving block at the rear end of the body, the rack moves towards the opposite direction, so that the blade returns;

3. through adjusting the vertical setting of pole, adjust pole and connecting seat threaded connection, the lower extreme gyration of adjusting the pole is supported on a supporting bench to when the staff rotated the hand wheel, make the regulation pole rotate, adjust the pole and make the connecting seat reciprocate, can make things convenient for the staff to adjust the driving motor who is located on the connecting seat and reciprocate, thereby make the blade reciprocate, adjust the length of pruning the lawn.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the cutaway body of the present invention.

In the figure, 1, a body; 2. a cutting device; 21. a connecting seat; 22. a drive motor; 23. a connecting shaft; 24. a blade; 3. a drive device; 31. a detection roller; 32. a guide bar; 33. a spring; 34. a support frame; 35. a comb bar; 36. a guide hole; 4. a transmission device; 41. a gear; 42. a rack; 421. a second inclined surface; 422. a chute; 43. a drive block; 431. a first inclined surface; 5. a lifting device; 51. a support table; 52. a screw; 53. a worm gear; 54. a worm; 6. a wheel; 7. adjusting a rod; 71. a hand wheel; 8. a spool; 9. a pointer; 91. and (4) marking the median.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the water stop plate connection structure disclosed by the invention comprises a body 1, two wheels 6 are arranged on two sides of the body 1, the wheels 6 are rotatably supported on the body 1, the wheels 6 support the body 1 to move forward, a cutting device 2 is arranged in the middle of the body 1, the cutting device 2 comprises a connecting seat 21, a driving motor 22, a blade 24 and a connecting shaft 23, the connecting seat 21 is arranged on the body 1, the driving motor 22 is fixed on the connecting seat 21, the output end of the driving motor 22 is coaxially fixed on the connecting shaft 23, the connecting shaft 23 is vertically arranged, the lower end of the connecting shaft 23 is used for fixing the blade 24, the blade 24 is horizontally arranged, the blade 24 is positioned below the body 1, the blade 24 rotates under the action of the driving motor 22, and the blade 24 can trim lawn in the process of high-speed rotation.

Referring to fig. 2, a driving device 3 is installed at both the front end of the body 1 and the rear end of the body 1, the driving device 3 is connected with a transmission device 4, the transmission device 4 is connected with a lifting device 5, the cutting device 2 is installed on the lifting device 5, the lifting device 5 can drive the cutting device 2 to move up and down, the driving device 3 at the front end of the body 1 drives the lifting device 5 to ascend through the transmission device 4, and the driving device 3 at the rear end of the body 1 drives the lifting device 5 to descend through the transmission device 4.

Referring to fig. 2, the lifting device 5 includes a supporting table 51, a screw 52, a worm wheel 53 and a worm 54, the supporting table 51 is vertically slidably connected to the body 1, an adjusting rod 7 is disposed on the supporting table 51, the adjusting rod 7 is vertically disposed, the lower end of the adjusting rod 7 is rotatably supported on the supporting table 51, an external thread is disposed on the outer wall of the adjusting rod 7, the adjusting rod 7 upwardly penetrates through the connecting seat 21, the adjusting rod 7 is in threaded connection with the connecting seat 21, the connecting seat 21 is vertically slidably connected to the body 1, and a hand wheel 71 is disposed at the upper end of. When the worker rotates the hand wheel 71, the adjustment lever 7 is rotated to move the connection base 21 along the length direction of the adjustment lever 7, thereby adjusting the entire cutting device 2 up and down. The lower surface of the support table 51 is used for fixing the screw rod 52, the screw rod 52 is vertically arranged, the central line of the worm wheel 53 is superposed with the central line of the screw rod 52, the worm wheel 53 is in threaded connection with the screw rod 52, the worm 54 is rotatably supported on the body 1, the height of the worm wheel 53 relative to the body 1 is not changed, and the worm 54 is meshed with the worm wheel 53.

Referring to fig. 2, the transmission device 4 includes a gear 41, a rack 42 and a driving block 43, the gear 41 is coaxially fixed at an end of a worm 54, the rack 42 is horizontally disposed, the rack 42 is horizontally slidably connected to the body 1, the sliding direction is along the length direction of the rack 42, the length direction of the rack 42 is parallel to the advancing direction of the body 1, two ends of the rack 42 are respectively and correspondingly provided with one driving block 43, the driving block 43 is mounted on the driving device 3, the driving block 43 can move up and down under the action of the driving device 3, the driving block 43 is provided with an inclined surface, the inclined surface is arranged obliquely, the inclined surface one 431 faces the rack 42, two ends of the rack 42 are provided with an inclined surface two 421, the inclined surface two 421 is arranged opposite to the inclined surface one 431, when the driving block 43 moves up under the action of the driving device 3, the inclined surface one 431 on the, causing the rack 42 to slide in the horizontal direction. In order to reduce the friction force of the horizontal sliding of the rack 42, a sliding groove 422 is formed in the length direction of the rack 42, the sliding groove 422 is arranged along the length direction of the rack 42, two spools 8 are arranged in the sliding groove 422, the two spools 8 are distributed along the length direction of the sliding groove 422, the spools 8 are supported in the sliding groove 422 in a rolling manner, and the rack 42 enables the gear 41 and the body 1 to be connected in a horizontal sliding manner through the matching of the spools 8 and the sliding groove 422.

Referring to fig. 1 and 2, a pointer 9 is arranged on the rack 42, one end of the pointer 9 is fixed on the rack 42, the other end of the pointer 9 extends out of the body 1, a middle mark 91 is arranged on the outer side of the body 1, when the rack 42 is located at the middle position of the two driving devices 3, the blade 24 is located at the lowest point, and the middle mark 91 is opposite to the pointer 9, so that a worker can conveniently observe the position of the blade 24 on the outer side of the body 1.

Referring to fig. 2, the driving device 3 includes a detection roller 31, a guide rod 32, a spring 33 and a support frame 34, the detection roller 31 is horizontally disposed and perpendicular to the forward direction of the body 1, a plurality of comb-shaped rods 35 are uniformly distributed on the outer wall of the detection roller 31, the comb-shaped rods 35 are outward from the center position of the detection wheel along the radial direction of the detection wheel, two ends of the detection roller 31 are rotatably supported on the support frame 34, the guide rod 32 is vertically fixed on the support frame 34, a vertical guide hole 36 is formed on the body 1, the guide rod 32 is vertically slidably matched with the guide hole 36, a driving block 43 is fixed at the upper end of the guide rod 32, when the guide rod 32 moves upward, the driving block 43 moves upward along with the guide rod 32, the spring 33 is sleeved on the guide rod 32, the lower end of the spring 33 abuts against the support frame 34, the upper end abuts against the body 1, the guide rod 32 is driven by the action, thereby moving the driving block 43 downward along with the guide bar 32.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a lawn mower is used in afforestation, includes body (1), and the both sides of body (1) are provided with wheel (6), are provided with cutting device (2) on body (1), and cutting device (2) include that the level sets up blade (24) in body (1) below, its characterized in that: the cutting device is characterized in that a lifting device (5) and two driving devices (3) are arranged on the body (1), the two driving devices (3) are respectively arranged at the front end of the body (1) and the rear end of the body (1), the cutting device (2) is arranged on the lifting device (5), a transmission device (4) is arranged between the lifting device (5) and the driving devices (3), the driving device (3) at the front end of the body (1) drives the lifting device (5) to ascend through the transmission device (4), and the driving device (3) at the rear end of the body (1) drives the lifting device (5) to descend through the transmission device (4);

drive arrangement (3) are including detecting roller (31), guide bar (32), spring (33) and support frame (34), detect the direction that roller (31) level setting and perpendicular to body (1) moved ahead, and the both ends gyration of detecting roller (31) is supported on support frame (34), and guide bar (32) are vertical to be fixed on support frame (34), the vertical sliding connection of guide bar (32) is on body (1), and spring (33) cover is established on guide bar (32), and the lower extreme butt of spring (33) is on support frame (34), and the upper end butt is on body (1).

2. A lawnmower for afforestation according to claim 1, wherein: elevating gear (5) are including brace table (51), screw rod (52), worm wheel (53) and worm (54), and cutting device (2) are installed on brace table (51), and vertical sliding connection of brace table (51) is on body (1), and screw rod (52) are vertical to be fixed on brace table (51), and the central line of worm wheel (53) and the central line coincidence of screw rod (52), worm wheel (53) and screw rod (52) threaded connection, and worm (54) gyration is supported on body (1), and worm (54) and worm wheel (53) meshing.

3. A lawnmower for afforestation according to claim 2, wherein: the transmission device (4) comprises a gear (41), a rack (42) and a driving block (43), the driving block (43) is fixed at the upper end of the guide rod (32), the rack (42) is horizontally arranged, the rack (42) is horizontally and slidably connected to the body (1), the sliding direction is along the length direction of the rack (42), the length direction of the rack (42) is parallel to the advancing direction of the body (1), two ends of the rack (42) are respectively corresponding to the driving block (43), a first inclined surface (431) is formed on the driving block (43), a second inclined surface (421) is formed at the end part of the rack (42), the first inclined surface (431) inclines to the ground and faces the rack (42), and the second inclined surface (421) is opposite to the first inclined surface (431); the gear (41) and the worm (54) are coaxially fixed, and the gear (41) is meshed with the rack (42).

4. A lawnmower for afforestation according to claim 3, wherein: a horizontal sliding groove (422) is formed in the rack (42), spool wheels (8) are arranged in the sliding groove (422), at least two spool wheels (8) are arranged along the length direction of the sliding groove (422), the spool wheels (8) are supported in the sliding groove (422) in a rolling mode, and the rack (42) is connected to the body (1) in a sliding mode through the spool wheels (8) and the sliding groove (422).

5. A lawnmower for afforestation according to claim 2, wherein: cutting device (2) still include connecting seat (21), driving motor (22) and connecting axle (23), and install on body (1) connecting seat (21), and driving motor (22) are fixed on connecting seat (21), and the output at driving motor (22) is fixed to connecting axle (23) coaxial, and connecting axle (23) vertical setting, blade (24) are fixed to be set up at the lower extreme of connecting axle (23).

6. A lawnmower for afforestation according to claim 5, wherein: the adjustable support is characterized in that an adjusting rod (7) is arranged on the connecting seat (21), the adjusting rod (7) is vertically arranged, the lower end of the adjusting rod (7) is rotatably supported on the support table (51), the adjusting rod (7) is in threaded connection with the connecting seat (21), the connecting seat (21) is vertically and slidably connected to the body (1), and a hand wheel (71) is arranged at the upper end of the adjusting rod (7).

7. A lawnmower for use in afforestation according to claim 3 or 4, wherein: the pointer type automatic reading device is characterized in that a pointer (9) is arranged on the rack (42), one end of the pointer (9) is fixed on the rack (42), the other end of the pointer (9) extends out of the outer side of the body (1), a middle mark (91) is arranged on the outer side of the body (1), and when the rack (42) is located at the middle position of the two driving devices (3), the middle mark (91) is opposite to the pointer (9).

8. A lawnmower for afforestation according to claim 5, wherein: a plurality of comb-shaped rods (35) are uniformly distributed on the outer wall of the detection roller (31), and the comb-shaped rods (35) are outwards arranged along the radial direction of the detection wheel from the center position of the detection wheel.