Hand propelled pig grass harvester
Technical Field
The invention relates to the technical field of harvesters, in particular to a hand-push type pigweed harvester.
Background
Most of the existing automatic equipment for harvesting the pasture is large-scale machinery, and has strong automatic harvesting capacity, but the purchasing cost is high, when the pasture in a small area needs to be harvested, the large-scale machinery is not used on the ground, so that the small-scale hand-push type harvester is applied to the pasture, only small parts of stems and leaves like the pigweed are exposed on the ground, the traditional harvester is difficult to harvest, and the equipment capable of harvesting the crops like the pigweed is needed to reduce the burden of planting personnel.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a hand-push type pig grass harvester, and the technical scheme solves the problem that the traditional harvester cannot harvest pig grass;
in order to solve the technical problems, the invention provides the following technical scheme:
the preferred scheme of the hand-push type pig grass harvester is provided, which comprises a cart, a harvesting mechanism, a rotating mechanism and a reciprocating mechanism, wherein the harvesting mechanism, the rotating mechanism and the reciprocating mechanism are all positioned on the working surface of the cart;
the cart comprises an inner shaft and an outer shaft, the outer shaft is sleeved outside the inner shaft, the inner shaft and the outer shaft are coaxially arranged, and a plurality of first clamping jaws are arranged on the inner shaft along the direction of the axis of the inner shaft at equal central angles; a plurality of second clamping jaws are arranged on the outer shaft corresponding to each first clamping jaw, a plurality of sliding grooves are formed in the outer shaft corresponding to the first clamping jaws, the first clamping jaws penetrate through the sliding grooves, the first clamping jaws are in sliding fit with the sliding grooves in a working state, and the working sections of the first clamping jaws and the sliding grooves are intersected;
the two ends of the inner shaft are slidably arranged on the working end of the reciprocating mechanism, the length of the outer shaft is greater than that of the inner shaft, the parts of the two ends of the outer shaft extending out of the inner shaft are rotatably arranged on the working end of the rotating mechanism, and the inner shaft is in transmission connection with the outer shaft.
As an optimal selection scheme of hand propelled pig grass harvester, rotary mechanism is including first motor, hold-in range and synchronizing wheel, and first motor is located the side of reaping the mechanism, and the equal fixed mounting of an output shaft of first motor and outer epaxial has the synchronizing wheel, and first motor passes through the hold-in range with outer axle and the synchronizing wheel transmission is connected, and the both ends of outer axle are respectively through the rotatable installation on the shallow of first bearing frame and second bearing frame.
As an optimal scheme of a hand-push type pig grass harvester, the reciprocating mechanism comprises a piston assembly, a rigid coupling, a first bearing, a second bearing, a first linear bearing and a second linear bearing, wherein two ends of an inner shaft are respectively installed on a working surface of the trolley through the first linear bearing and the second linear bearing, the inner shaft is in sliding connection with the first linear bearing and the second linear bearing, the first linear bearing is located at one end, far away from the rotating mechanism, of the inner shaft, the first bearing is arranged at one end, close to the first linear bearing, of the inner shaft, the first bearing is fixedly connected with an output shaft of the piston assembly through the rigid coupling, the second bearing is arranged at the other end of the inner shaft, and the second bearing is located in the second linear bearing.
As an optimal scheme of the hand-push type pig grass harvester, the harvesting mechanism further comprises a limiting block and a limiting bolt, a limiting hole is formed in one end, close to the piston assembly, of the inner shaft, the limiting hole and the inner shaft are arranged coaxially, and the limiting bolt penetrates through the limiting block and the first bearing and then is in threaded connection with the limiting hole.
As an optimal scheme of a hand-push type pig grass harvester, the piston assembly comprises a second motor, a first rotary disc, a second rotary disc, a hinged shaft, a crank and a connecting rod, the second motor is fixedly installed on the working surface of the cart, the first rotary disc is coaxially and fixedly installed at the tail end of an output shaft of the second motor, the first rotary disc is coaxially and fixedly connected with the second rotary disc through the hinged shaft, the crank is installed on the hinged shaft in a hinged mode, the connecting rod is installed at the other end of the crank in a hinged mode, and the connecting rod is fixedly connected with a first bearing through a rigid coupling.
As a preferred scheme of the hand-push type pig grass harvester, the reciprocating mechanism further comprises a third bearing seat, and the second rotating disc is rotatably arranged on the third bearing seat.
As a preferred scheme of the hand-push type pig grass harvester, a handle is arranged on the working surface of the trolley, the working area of the harvesting mechanism is positioned in the handle, and the height between the trolley and the ground is smaller than the radius of the working area of the harvesting mechanism.
Compared with the prior art, the invention has the beneficial effects that: the equipment is firstly placed on the land to be harvested, then an operator drives the cart to move to drive the whole equipment to move, an output shaft of a first motor drives an outer shaft to rotate through the transmission relation between a synchronous belt and a synchronous wheel, the outer shaft starts to rotate under the drive of the first motor, the outer shaft drives an inner shaft to rotate through the interference between a sliding chute and a first clamping jaw, two ends of the outer shaft are respectively installed on the working surface of the cart through a first bearing seat and a second bearing seat, a power source of a piston assembly is provided by a second motor, when the second motor works, the output shaft of the second motor drives a first turntable and a second turntable to synchronously rotate, a hinge shaft is fixedly installed between the first turntable and the second turntable, one end of a crank is hinged on the hinge shaft, when the first turntable and the second turntable drive the hinge shaft to rotate, the hinge shaft drives one end of the crank to move with the hinge shaft, the other end of the crank is hinged to a connecting rod, the connecting rod is movably installed in a first linear bearing, when the crank works, the connecting rod can be driven to do linear reciprocating motion in the first linear bearing, the connecting rod is fixedly connected with an inner shaft through the first bearing, the connecting rod drives the inner shaft to do linear reciprocating motion, when the inner shaft does linear reciprocating motion, the first clamping jaws and the second clamping jaws can clamp the pigweed to be harvested on the ground, and then the outer shaft is driven to rotate through a rotating mechanism to pull up the clamped pigweed.
This equipment has solved the problem that traditional harvester can't reap pig grass class crops.
Drawings
FIG. 1 is a schematic perspective view of a hand-push type pig grass harvester according to the present invention;
FIG. 2 is a schematic perspective view of a hand-push type forage harvester
FIG. 3 is a cross-sectional view of a hand-propelled forage harvester of the present invention;
FIG. 4 is a schematic view of a partial structure of a hand-push type pig grass harvester according to the present invention;
FIG. 5 is a partial structure three-dimensional cross-sectional view of the hand-push type pig grass harvester of the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5.
The reference numbers in the figures are:
1. pushing a cart; 1a, a handle; 1b, a roller; 1c, a working groove;
2. a harvesting mechanism; 2a, an inner shaft; 2a1, a first jaw; 2a2, limiting hole; 2b, an outer shaft; 2b1, second jaw; 2b2, a chute; 2c, a limiting block; 2d, a limiting bolt;
3. a rotation mechanism; 3a, a first motor; 3b, a synchronous belt; 3c, a synchronizing wheel; 3d, a first bearing seat; 3e, a second bearing seat;
4. a reciprocating mechanism; 4a, a piston assembly; 4a1, a second motor; 4a2, a first carousel; 4a3, second carousel; 4a4, a hinge shaft; 4a5, crank; 4a6, connecting rod; 4b, a rigid coupling; 4c, a first bearing; 4d, a second bearing; 4e, a first linear bearing; 4f, a second linear bearing; 4g and a third bearing seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The hand-push type pig grass harvester shown in fig. 1 to 6 comprises a trolley 1, a harvesting mechanism 2, a rotating mechanism 3 and a reciprocating mechanism 4, wherein the harvesting mechanism 2, the rotating mechanism 3 and the reciprocating mechanism 4 are all positioned on a working surface of the trolley 1;
the cart 1 comprises an inner shaft 2a and an outer shaft 2b, the outer shaft 2b is sleeved outside the inner shaft 2a, the inner shaft 2a and the outer shaft 2b are coaxially arranged, and a plurality of first clamping jaws 2a1 are arranged on the inner shaft 2a along the axial direction of the inner shaft at equal central angles; a plurality of second jaws 2b1 are arranged on the outer shaft 2b corresponding to each first jaw 2a1, a plurality of sliding grooves 2b2 are also arranged on the outer shaft 2b corresponding to the first jaws 2a1, the first jaws 2a1 penetrate through the sliding grooves 2b2, the first jaws 2a1 are in sliding fit with the sliding grooves 2b2 in a working state, and the working intervals of the first jaws 2a1 and the sliding grooves 2b2 are crossed;
the two ends of the inner shaft 2a are slidably arranged on the working end of the reciprocating mechanism 4, the length of the outer shaft 2b is larger than that of the inner shaft 2a, the parts of the two ends of the outer shaft 2b extending out of the inner shaft 2a are rotatably arranged on the working end of the rotating mechanism 3, and the inner shaft 2a is in transmission connection with the outer shaft 2 b.
The device is firstly placed on the land to be harvested, an operator drives the cart 1 to move to drive the whole device to move, the inner shaft 2a and the outer shaft 2b start to work when the cart 1 moves, the first clamping jaws 2a1 and the second clamping jaws 2b1 are arranged on the inner shaft 2a and the outer shaft 2b in an staggered mode, the harvesting mechanism 2 can drive the outer shaft 2b to rotate, the outer shaft 2b drives the inner shaft 2a to synchronously rotate, then the reciprocating mechanism 4 drives the inner shaft 2a to do linear reciprocating motion on the inner side of the outer shaft 2b, when the inner shaft 2a does linear reciprocating motion, the first clamping jaws 2a1 and the second clamping jaws 2b1 can clamp the pigweed to be harvested on the ground, then the rotating mechanism 3 drives the outer shaft 2b to rotate to pull up the tightened pigweed together with roots, and the operator drives the device to move to the position to be harvested through the cart 1.
The rotating mechanism 3 comprises a first motor 3a, a synchronous belt 3b and a synchronous wheel 3c, the first motor 3a is located at the side of the harvesting mechanism 2, the synchronous wheel 3c is fixedly mounted at one end of an output shaft of the first motor 3a and one end of an outer shaft 2b, the first motor 3a is in transmission connection with the outer shaft 2b through the synchronous belt 3b and the synchronous wheel 3c, and two ends of the outer shaft 2b are rotatably mounted on the trolley 1 through a first bearing seat 3d and a second bearing seat 3e respectively.
When the first motor 3a works, the output shaft of the first motor 3a drives the outer shaft 2b to rotate through the transmission relationship between the synchronous belt 3b and the synchronous wheel 3c, the outer shaft 2b starts to rotate under the driving of the first motor 3a, the outer shaft 2b drives the inner shaft 2a to rotate through the interference between the sliding groove 2b2 and the first claw 2a1, and two ends of the outer shaft 2b are respectively installed on the working surface of the cart 1 through the first bearing seat 3d and the second bearing seat 3 e.
The reciprocating mechanism 4 comprises a piston assembly 4a, a rigid coupling 4b, a first bearing 4c, a second bearing 4d, a first linear bearing 4e and a second linear bearing 4f, two ends of an inner shaft 2a are respectively installed on a working surface of the cart 1 through the first linear bearing 4e and the second linear bearing 4f, the inner shaft 2a is connected with the first linear bearing 4e and the second linear bearing 4f in a sliding mode, the first linear bearing 4e is located at one end, far away from the rotating mechanism 3, of the inner shaft 2a, the first bearing 4c is arranged at one end, close to the first linear bearing 4e, of the inner shaft 2a, the first bearing 4c is fixedly connected with an output shaft of the piston assembly 4a through the rigid coupling 4b, the second bearing 4d is arranged at the other end of the inner shaft 2a, and the second bearing 4d is located in the second linear bearing 4 f.
When the reciprocating mechanism 4 works, the piston assembly 4a drives the inner shaft 2a to do linear reciprocating motion in the outer shaft 2b, the working end of the piston assembly 4a is fixedly connected with the first bearing 4c through the rigid coupling 4b, the inner shaft 2a can be ensured to be in a rotating state when moving, the first linear bearing 4e and the second linear bearing 4f can fix the position of the inner shaft 2a, and when the piston assembly 4a drives the inner shaft 2a to move, the first linear bearing 4e and the second linear bearing 4f can limit the working interval of the inner shaft 2 a.
The harvesting mechanism 2 further comprises a limiting block 2c and a limiting bolt 2d, a limiting hole 2a2 is formed in one end, close to the piston assembly 4a, of the inner shaft 2a, the limiting hole 2a2 and the inner shaft 2a are arranged coaxially, and the limiting bolt 2d penetrates through the limiting block 2c and the first bearing 4c and then is in threaded connection with the limiting hole 2a 2.
The inner shaft 2a and the limiting block 2c are fixed through a limiting bolt 2d and a limiting hole 2a2, the first bearing 4c is sleeved outside the inner shaft 2a, the limiting block 2c abuts against the inner shaft of the first bearing 4c, the first bearing 4c is fixedly connected with the output shaft of the piston assembly 4a through a rigid coupling 4b, the rigid coupling 4b is fixedly connected with the outer shaft of the first bearing 4c, and the inner shaft 2a can be guaranteed to be rotatably connected with the output shaft of the piston assembly 4 a.
The piston assembly 4a comprises a second motor 4a1, a first rotating disc 4a2, a second rotating disc 4a3, a hinge shaft 4a4, a crank 4a5 and a connecting rod 4a6, the second motor 4a1 is fixedly installed on the working surface of the cart 1, the first rotating disc 4a2 is fixedly installed at the tail end of an output shaft of the second motor 4a1 in a coaxial line, the first rotating disc 4a2 is fixedly connected with the second rotating disc 4a3 in a coaxial line through the hinge shaft 4a4, the crank 4a5 is hinged on the hinge shaft 4a4, the connecting rod 4a6 is hinged at the other end of the crank 4a5, and the connecting rod 4a6 is fixedly connected with a first bearing 4c through a rigid coupling 4 b.
The power source of the piston assembly 4a is provided by a second motor 4a1, the output shaft of the second motor 4a1 drives a first rotating disk 4a2 and a second rotating disk 4a3 to rotate synchronously when the second motor is working, a hinge shaft 4a4 is fixedly arranged between the first rotating disk 4a2 and the second rotating disk 4a3, one end of a crank 4a5 is hinged on the hinge shaft 4a4, when the first rotating disk 4a2 and the second rotating disk 4a3 drive the hinge shaft 4a4 to rotate, the hinge shaft 4a4 drives the crank 4a5 to move at one end hinged with the hinge shaft, the other end of the crank 4a5 is hinged with the connecting rod 4a6, the connecting rod 4a6 is movably installed in the first linear bearing 4e, when the crank 4a5 operates, the connecting rod 4a6 is driven to do linear reciprocating motion in the first linear bearing 4e, the connecting rod 4a6 is fixedly connected with the inner shaft 2a through the first bearing 4c, and the connecting rod 4a6 drives the inner shaft 2a to do linear reciprocating motion.
The reciprocator 4 further comprises a third bearing block 4g, and the second turntable 4a3 is rotatably mounted on the third bearing block 4 g.
The first rotary disk 4a2 and the second rotary disk 4a3 have no other obstacles and are connected only by the hinge shaft 4a4, and the third bearing seat 4g provides a stable support for the second rotary disk 4a 3.
The working surface of the trolley 1 is provided with a handle 1a, the working area of the harvesting mechanism 2 is positioned in the handle 1a, and the height between the trolley 1 and the ground is smaller than the radius of the working area of the harvesting mechanism 2.
The harvesting mechanism 2, the rotating mechanism 3 and the reciprocating mechanism 4 are all arranged on the working surface of the trolley 1, the handle 1a is arranged on the trolley 1, the working area of the harvesting mechanism 2 penetrates through the handle 1a and then contacts with the ground, and meanwhile, if the height of the trolley 1 is larger than the radius of the working area of the harvesting mechanism 2, the harvesting mechanism 2 cannot contact with the ground required to be harvested.
The working principle of the invention is as follows: the equipment is firstly placed on the land to be harvested, then the operating personnel drives the cart 1 to move to drive the whole equipment to move, the output shaft of the first motor 3a drives the outer shaft 2b to rotate through the transmission relation between the synchronous belt 3b and the synchronous wheel 3c, the outer shaft 2b is driven by the first motor 3a to start rotating, the outer shaft 2b drives the inner shaft 2a to rotate through the interference between the sliding groove 2b2 and the first claw 2a1, two ends of the outer shaft 2b are respectively arranged on the working surface of the cart 1 through the first bearing seat 3d and the second bearing seat 3e, the power source of the piston assembly 4a is provided by the second motor 4a1, the output shaft of the second motor 4a1 drives the first rotary disc 4a2 and the second rotary disc 4a3 to rotate synchronously when the second motor 4a1 works, the hinge shaft 4a4 is fixedly arranged between the first rotary disc 4a2 and the second rotary disc 4a3, one end of the crank 4a5 is hinged on the hinge shaft 4a4, when the first rotating disc 4a2 and the second rotating disc 4a3 drive the hinge shaft 4a4 to rotate, the hinge shaft 4a4 drives the crank 4a5 to move at one end hinged with the crank 4a5, the other end of the crank 4a5 is hinged with the connecting rod 4a6, the connecting rod 4a6 is movably installed in the first linear bearing 4e, when the crank 4a5 works, the connecting rod 4a6 is driven to do linear reciprocating motion in the first linear bearing 4e, the connecting rod 4a6 is fixedly connected with the inner shaft 2a through the first bearing 4c, the connecting rod 4a6 drives the inner shaft 2a to do linear reciprocating motion, when the inner shaft 2a does linear reciprocating motion, the first claw 2a1 and the second claw 2b1 clamp the ground pig grass to be harvested, and then the outer shaft 2b is driven to rotate through the rotating mechanism 3 to extract the clamped pig grass together with the root.