CN217986008U - Portable grass-like mowing electric scissors capable of regulating stubble height - Google Patents

Abstract

The utility model provides a portable grass sample that can regulate and control stay stubble height cuts electronic scissors, which comprises a housing, the casing front end is fixed with the stationary blade, it is provided with the moving blade to slide on the stationary blade, it is connected with eccentric wheel mechanism to rotate on the moving blade, be connected with the motor on the eccentric wheel mechanism, be equipped with second grade decelerator between eccentric wheel mechanism and the motor, setting through second grade decelerator between eccentric wheel mechanism and the motor, can produce the big moment of torsion on the moving blade, the motion of low rotational speed, the shearing effect between moving blade and the stationary blade has been improved, thereby avoid taking place the grass sample and be difficult to cut the problem that the moving blade card dies on the stationary blade even, can cut the grass sample through the relative sliding effect of stationary blade and moving blade simultaneously.

Description

Portable grass-like mowing electric scissors capable of regulating stubble height

Technical Field

The utility model relates to a biomass measurement equipment technical field in the grassland investigation field especially relates to a portable grass appearance of keeping a stubble height can be regulated and control and electric scissors is cut to mowing.

Background

Under the large background of ecological civilization construction, numerous scholars and technical personnel develop a large amount of grassland ecological positioning monitoring point investigation work so as to evaluate and research the regional ecological state, and how to efficiently, accurately and completely determine the aboveground biomass in a sample has important scientific significance.

In actual work, the above-ground biomass integrity and the stubble height of the mowing grassland sample have errors with actual requirements, and how to mow the grass sample quickly and completely in the preset stubble height becomes a difficulty in actual operation.

At present, when the overground biomass on a mowing sample is mowed mainly by using manual scissors, the working efficiency is low, the durability is poor, and the working period is long and the mowing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the following problems existing in the prior art:

when the overground biomass on the sample side is mowed, manual scissors are mainly used for mowed, the working efficiency is low, the durability is poor, and the working period is long and the mowed effect is poor.

For solving the problem that prior art exists, the utility model provides a portable grass sample that can regulate and control stay stubble height cuts and cuts electronic scissors, which comprises a housing, the casing front end is fixed with the stationary blade, it is provided with the moving blade to slide on the stationary blade, it is connected with eccentric wheel mechanism to rotate on the moving blade, be connected with the motor on the eccentric wheel mechanism, be equipped with second grade decelerator between eccentric wheel mechanism and the motor, setting through second grade decelerator between eccentric wheel mechanism and the motor, can produce the big moment of torsion on the moving blade, the motion of low rotational speed, the shearing effect between moving blade and the stationary blade has been improved, thereby avoid taking place the grass sample to cut and be difficult to or even move the problem that the blade card dies on the stationary blade, can cut the grass sample through the relative slip effect of stationary blade and moving blade simultaneously.

Preferably, the casing rotates on including the aircraft nose, end cover, wheel carrier and the fuselage that can dismantle the setting in proper order and be provided with the axis of rotation, aircraft nose and fuselage are the hollow shell, the lower extreme that the fuselage is located the aircraft nose side is located to the wheel carrier, and the wheel carrier can freely set up and stay the stubble height, the aircraft nose includes first casing and second casing, and first casing passes through the bolt fastening on the second casing, the second shaft hole has been seted up on the second casing, the second countersunk head groove has been seted up at second shaft hole both ends, through the setting of dismantling of casing, can make the device when the maintenance detects, and is more convenient.

Preferably, second grade decelerator includes planetary gear mechanism and gear reduction mechanism, planetary gear mechanism sets up in the aircraft nose, and gear reduction mechanism sets up in the fuselage, sets up through planetary gear mechanism and gear reduction mechanism, has that the structure size is little, not skid, the steady advantage of operation under the condition such as guarantee function, intensity and life-span for second grade decelerator compact structure makes the grass sample cut and cuts the advantage that has compact structure, small and exquisite convenience and noise of operation are little.

Preferably, eccentric wheel mechanism includes the main shaft, the main shaft rotates and sets up on the casing, the fixed eccentric wheel that is provided with on the main shaft, be provided with the rocker on the eccentric wheel, the rocker rotates and sets up in the aircraft nose, the knife section sets up at the rocker front end, the cover is equipped with the axle sleeve on the eccentric wheel, eccentric wheel tip and rocker are connected, and through the setting of eccentric wheel mechanism, can avoid taking place the grass appearance and be difficult to cut off even the knife section card is dead the problem on the stationary blade, can drive the rocker through the eccentric wheel rotation simultaneously and rotate.

Preferably, planetary gear mechanism includes the planet carrier, the planet carrier is fixed in on the main shaft, it is provided with a plurality of planet wheels to rotate on the planet carrier, and is a plurality of the outside meshing of planet wheel has the ring gear, and the meshing has the sun gear between a plurality of planetary gear, the sun gear is fixed in the rotating shaft tip, through planetary gear mechanism's setting, can play the effect of speed reduction, improvement moment of torsion to the power of motor output.

Preferably, gear reduction mechanism includes the gear wheel, the gear wheel is fixed at the axis of rotation tip that is located the sun gear symmetry side, and the cover is equipped with the bearing in the pivot, the meshing has the pinion on the gear wheel, and the pinion is fixed on the spindle of motor front end, and through gear reduction mechanism's setting, can cooperate planetary gear mechanism's setting, further play the effect of slowing down, improving the moment of torsion to the power of motor output.

Preferably, a first shaft hole is formed in the end cover, first countersunk grooves are formed in two ends of the first shaft hole, the bearing is arranged in the first countersunk grooves at two ends of the first shaft hole, the rotating shaft penetrates through the bearing, and the installation of the rotating shaft and the bearing can be facilitated through the arrangement of the first shaft hole and the first countersunk grooves on the end cover.

Preferably, the wheel carrier comprises a top cover a and a base b, a wheel shaft is arranged at the tail end of the top cover a, driving wheels are arranged at two ends of the wheel shaft, an auxiliary wheel is arranged at the front end of the wheel carrier, and the device can be conveniently moved integrally through the arrangement of the auxiliary wheel and the rotating wheel.

Preferably, a second shaft hole is formed in the machine body, second countersunk grooves are formed in two ends of the second shaft hole, a shaft shoulder is fixedly arranged on the main shaft, the shaft shoulder and the planet carrier are respectively arranged in the second countersunk grooves at two ends of the second shaft hole, and the shaft shoulder can be conveniently placed through the second shaft hole in the machine body and the second countersunk grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a second grade decelerator's setting between eccentric wheel mechanism and the motor can produce the motion of big moment of torsion, low rotational speed on the moving blade, has improved the shearing effect between moving blade and the stationary blade to avoid taking place the grass appearance and be difficult to cut the problem of moving blade card death on the stationary blade even.

2. The utility model discloses a planetary gear mechanism and gear reduction mechanism, eccentric wheel mechanism, planetary gear mechanism, gear reduction mechanism and motor transmission in proper order connect the setting, can play the speed reduction to the power of motor output, the effect of improvement moment of torsion, gear reduction mechanism and planetary gear mechanism all adopt gear drive's mode, gear drive's structure is guaranteeing the function, intensity and life-span have under the condition that the structure size is little, do not skid, the steady advantage of operation, make second grade decelerator compact structure, thereby it cuts to make the grass appearance cut has compact structure, small and exquisite convenience and the little advantage of noise.

3. The utility model discloses a aircraft nose and end cover play the effect of protection to planetary gear mechanism to and end cover and fuselage play the effect of protection to gear reduction mechanism, can avoid planetary gear mechanism and gear reduction mechanism and external direct contact, disassemble the back with aircraft nose and end cover simultaneously, can overhaul planetary gear mechanism alone, disassemble the back with end cover and fuselage, can overhaul gear reduction mechanism alone.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is an exploded view of the wheel frame of the present invention.

Reference numerals are as follows: 1-a machine shell; 2-fixing the blade; 3, moving blades; 4-an eccentric wheel mechanism; 5-a planetary gear mechanism; 6-rotating shaft; 7-a gear reduction mechanism; 8, a motor; 9-a bearing; 11-a machine head; 12-an end cap; 13-a wheel carrier; 14-a fuselage; 13 a-a top cover; 13 b-a base; 41-rocker; 42-shaft sleeve; 43-eccentric wheel; 44-a main shaft; 51-a planet carrier; 52-planet wheel; 53-a gear ring; 54-sun gear; 71-bull gear; 72-a pinion gear; 81-crankshaft; 111-a first housing; 112-a second housing; 113-second shaft hole; 114-a second countersink; 121-a first shaft hole; 122-first countersink; 131-an axle; 132-a driving wheel; 133-an auxiliary wheel; 431-shoulder.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, a portable electric mowing shears with adjustable stubble height is assembled by the following components:

assembly description: firstly, a fixed blade 2 is installed at the end of a machine head 11, then, an upper movable blade 3 is connected on the inner end of the fixed blade 2 in a sliding way, then, the rear end of the movable blade 3 is connected with an eccentric wheel mechanism 4, then, a planetary gear mechanism 5 in a two-stage speed reducing device is sequentially installed on a main shaft 44 of the eccentric wheel mechanism 4, then, the movable blade is arranged on the planetary gear mechanism 5 through an end cover 12, then, one end of the planetary gear mechanism 5 is connected with the planetary gear mechanism 5 through a rotating shaft 6, the other end of the planetary gear mechanism 7 is connected with a gear speed reducing mechanism 7, finally, the gear speed reducing mechanism 7 is connected with a machine shaft 81 of a motor 8, and then, the machine body 14 is installed and fixed outside the whole device through screws for protection.

Description of the working principle: during the use, motor 8 switch on, it rotates to drive bent axle 81, thereby the pinion 72 that drives bent axle 81 front end rotates, thereby it rotates rather than engaged with gear wheel 71 to drive, then drive axis of rotation 6 and rotate, the rotation of axis of rotation 6, thereby the sun gear 54 that drives axis of rotation 6 front end rotates, make the planet wheel 52 of meshing rotate in ring gear 53, thereby it rotates to drive eccentric wheel 43, rotate with the rocker 41 that drives rather than being connected, thereby it carries out the relative slip in stationary blade 2 to drive movable blade 3, thereby carry out the cutting to the meadow.

Example 2

As shown in fig. 1-3, a portable electric mowing shears with adjustable stubble height is assembled by the following components:

assembly description: firstly, a fixed blade 2 is installed at the end of a machine head 11, then an inner end of the fixed blade 2 is connected with an upper movable blade 3 in a sliding way, then the rear end of the movable blade 3 is connected with an upper eccentric wheel mechanism 4, then a planetary gear mechanism 5 in a two-stage speed reducing device is sequentially installed on a main shaft 44 of the eccentric wheel mechanism 4, then the movable blade is arranged on the planetary gear mechanism 5 through an end cover 12, then one end of the movable blade is connected with the planetary gear mechanism 5 through a rotating shaft 6, the other end of the movable blade is connected with a gear speed reducing mechanism 7, then the gear speed reducing mechanism 7 is connected on a shaft 81 of a motor 8, meanwhile, a pushing handrail is installed on a machine body 14 at the end of the motor 8, then a wheel carrier 13 is installed at the lower end of the machine body 14 at the end of the fixed blade 2, then a driving wheel 132 and an auxiliary wheel 133 in the wheel carrier 13 are installed, and finally the machine body 14 is installed and fixed outside the whole device through screws for protection.

Description of the working principle: when the mowing machine is used, the motor 8 is powered on to drive the crankshaft 81 to rotate, so that the pinion 72 at the front end of the crankshaft 81 is driven to rotate, the gear wheel 71 meshed with the crankshaft is driven to rotate, then the rotating shaft 6 is driven to rotate, the rotating shaft 6 rotates, so that the sun wheel 54 at the front end of the rotating shaft 6 is driven to rotate, the meshed planet wheels 52 rotate in the gear ring 53, the eccentric wheel 43 is driven to rotate, the rocker 41 connected with the eccentric wheel is driven to rotate, and the movable blade 3 is driven to slide relative to the fixed blade 2, so that mowing of grasslands is realized;

when mowing, the electric mowing shears move: the promotion handrail that push motor 8 front end set up, then through the setting of action wheel 132, can wholly remove by thrust unit to convenient realization is cradled on the meadow, is meetting uneven road surface simultaneously, and setting up of auxiliary wheel 133 has ensured that action wheel 132 can be smoothly through unevenness ground in the swing process, and then accomplishes what the grass sample was cradled and was cut slides, avoids causing the automobile body to slide because of the limitation of action wheel 132 rotation direction and appears blocking through the unevenness place.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a portable can regulate and control grass sample of staying stubble height and cut electronic scissors which characterized in that: the novel electric knife comprises a machine shell (1), wherein a fixed blade (2) is fixed at the front end of the machine shell (1), a movable blade (3) is arranged on the fixed blade (2) in a sliding manner, an eccentric wheel mechanism (4) is connected onto the movable blade (3) in a rotating manner, a motor (8) is connected onto the eccentric wheel mechanism (4), and a secondary speed reducer is arranged between the eccentric wheel mechanism (4) and the motor (8).

2. The portable electric mowing shears with adjustable stubble height according to claim 1, characterized in that: casing (1) rotates on end cover (12) and is provided with axis of rotation (6) including aircraft nose (11), end cover (12), wheel carrier (13) and fuselage (14) that can dismantle the setting in proper order, aircraft nose (11) and fuselage (14) are the cavity casing, lower extreme that fuselage (14) are located aircraft nose (11) side is located in wheel carrier (13), and wheel carrier (13) can freely set up and stay the stubble height, aircraft nose (11) include first casing (111) and second casing (112), and first casing (111) pass through the bolt fastening on second casing (112), second shaft hole (113) have been seted up on second casing (112), second countersunk head groove (114) have been seted up at second shaft hole (113) both ends.

3. The portable grass-like mowing electric shears with adjustable stubble height as claimed in claim 1, characterized in that: the secondary speed reducer comprises a planetary gear mechanism (5) and a gear speed reducing mechanism (7), the planetary gear mechanism is arranged in the machine head (11), and the gear speed reducing mechanism (7) is arranged in the machine body (14).

4. The portable electric mowing shears with adjustable stubble height according to claim 1, characterized in that: the eccentric wheel mechanism (4) comprises a main shaft (44), the main shaft (44) is rotatably arranged on the machine shell (1), an eccentric wheel (43) is fixedly arranged on the main shaft (44), a rocker (41) is arranged on the eccentric wheel (43), the rocker (41) is rotatably arranged in the machine head (11), the movable blade (3) is arranged at the front end of the rocker (41), and a shaft sleeve (42) is sleeved on the eccentric wheel (43).

5. The portable electric mowing shears with adjustable stubble height according to claim 3, characterized in that: planetary gear mechanism (5) include planet carrier (51), planet carrier (51) are fixed in on main shaft (44), it is provided with a plurality of planet wheel (52) to rotate on planet carrier (51), and is a plurality of planet wheel (52) outside meshing has ring gear (53), and the meshing has sun gear (54) between a plurality of planet wheel (52), sun gear (54) are fixed in axis of rotation (6) tip.

6. The portable electric mowing shears with adjustable stubble height according to claim 3, characterized in that: gear reduction unit (7) include gear wheel (71), gear wheel (71) are fixed and are located axis of rotation (6) tip of sun gear (54) symmetry side, and the cover is equipped with bearing (9) in the pivot, meshing has pinion (72) on gear wheel (71), and pinion (72) are fixed on crankshaft (81) of motor (8) front end.

7. The portable electric mowing shears with adjustable stubble height according to claim 2, characterized in that: first shaft hole (121) have been seted up on end cover (12), first countersunk groove (122) have all been seted up at first shaft hole (121) both ends, and bearing (9) are located in first countersunk groove (122) at first shaft hole (121) both ends, and in axis of rotation (6) worn to locate bearing (9).

8. The portable grass-like mowing electric shears with adjustable stubble height as claimed in claim 2, characterized in that: the wheel carrier (13) comprises a top cover (13 a) and a base (13 b), a wheel shaft (131) is arranged at the tail end of the top cover (13 a), driving wheels (132) are arranged at two ends of the wheel shaft (131), and auxiliary wheels (133) are arranged at the front end of the wheel carrier (13).

9. The portable electric mowing shears with adjustable stubble height according to claim 4, characterized in that: a shaft shoulder (431) is fixedly arranged on the main shaft (44), and the shaft shoulder (431) and the planet carrier (51) are respectively arranged in the second countersunk grooves (114) at two ends of the second shaft hole (113).

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