CN210746100U - Chinese-medicinal material chinese mugwort grass swather with cross bank ability - Google Patents

Abstract

The utility model provides a chinese-medicinal material chinese mugwort grass swather with cross bank ability, belong to chinese-medicinal material harvest machinery technical field, which comprises a frame, preceding swather walking direction is by setting gradually the handrail in the frame forward backward, the engine, by engine drive's running gear, the header gear box, the header, the swather still includes header height control mechanism, specifically be both ends respectively with the help of revolute pair and frame, the lifter that the header is connected, with the regulation pole of pivot rigid coupling, with adjust pole articulated connecting rod, the connecting rod end with the help of the lever of round pin epaxial location on the handrail articulated, the lifter has the degree of freedom that revolutes axle pivoted, the header has vertical degree of freedom to height control with the help of the rotation of lifter. The lifter and the regulation pole simplify the elevating gear that the control header goes up and down, have reduced manufacturing cost, have improved the walking ability of swather in the terraced fields that are provided with the escape canal, make the swather can easily pass through the escape canal on the terraced fields, reap on the terraced fields, have saved the time of reaping.

Description

Chinese-medicinal material chinese mugwort grass swather with cross bank ability

Technical Field

The utility model belongs to the technical field of chinese-medicinal material harvest machinery, a chinese mugwort grass swather specifically is a chinese mugwort grass swather with cross ditch bank ability

Background

The way ground chinese-medicinal material is produced in mountain hilly land more, and the farmland plot in mountain hilly land is less, mostly is terraced fields, when stem chinese-medicinal materials such as chinese mugwort grass need the results, and traditional large-scale harvester can't be applicable to terraced fields area, and miniature cutting and drying machine takes place by oneself. In mountainous and hilly areas, the weather is rainy, and farmers often set drainage ditches with the depth of about 30 cm between the planting furrows. Two common miniature swathers are available on the market, one is a swather equipped with a hand tractor, and the other is a swather equipped with a small four-wheel tractor. The walking tractor has small tires, a low chassis and an unadjustable header, the capacity of passing through a drainage ditch is basically unavailable, small four wheels are too large, the walking tractor cannot go into mountainous and hilly areas at all, some windrowers capable of adjusting the height of the header are also arranged on the market, two lifting mechanisms of the windrowers are common, one lifting mechanism is a lifting mechanism driven by hydraulic pressure to lift, however, the cost of the lifting mechanism is too high, the lifting mechanism is difficult to popularize in mountainous and hilly areas, the other lifting mechanism is used for realizing the lifting of the header through the position change of a sleeve pin shaft, and the mode is clumsy and cannot timely and flexibly adjust the height of the header according to the needs.

The method leads farmers to harvest the traditional Chinese medicinal materials in the stalks only by adopting a manual operation mode, leads to high labor intensity, extremely low operation efficiency and high harvesting cost, leads to longer whole harvesting period, influences the growth of the next crop of stalk crops, and has particularly prominent problem of low production efficiency under the condition of labor shortage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a swather with stronger ditch bank ability has solved traditional miniature swather because of not having height adjusting device can't pass through the escape canal in the terraced fields, have height adjusting device's swather with too high costs or the difficult technical problem of operation.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a chinese-medicinal material chinese mugwort grass swather with cross bank ability, includes the frame, sets up handrail, engine in the frame and receives engine drive's running gear, sets up in the frame front end, the header of being connected with the engine output through the gear box input wheel on the header gear box, and the key is: the swather still include header altitude mixture control mechanism, header altitude mixture control mechanism include the lifter that both ends are connected with frame, header with the help of the revolute pair respectively, with the regulation pole of the pivot rigid coupling in the revolute pair that sets up in the frame, the other end of adjusting the pole articulates there is the connecting rod, the end of connecting rod with the help of the lever of round pin axle location on the handrail articulated, the lifter has the degree of freedom that revolutes axle pivoted with the help of the effort of lever to adjusting the pole, the header has vertical degree of freedom to altitude mixture control with the help of the rotation of lifter.

The height adjusting mechanism further comprises a limiting mechanism A and a limiting mechanism B, wherein the limiting mechanism A is arranged on the handrail on the same side with the lever and limits the header to be at the highest position, and the limiting mechanism B limits the header to be at the lowest position.

The height difference between the limiting mechanism A and the limiting mechanism B is 150-350 mm.

Running gear include walking wheel, walking wheel gearbox, clutch and engine, clutch one end is connected with the flywheel of engine, and the other end passes through belt transmission and connects walking wheel gearbox, belt transmission includes the action wheel, follows the driving wheel, and the action wheel sets up on the output shaft of clutch, sets up on walking wheel gearbox's input shaft from the driving wheel, walking wheel gearbox's output shaft passes through drive mechanism and connects the axle of installing the walking wheel.

The transmission mechanism comprises a transition shaft, a speed regulating wheel, a transition shaft output wheel and an axle chain wheel, wherein the speed regulating wheel and the transition shaft output wheel are arranged on the transition shaft; the output wheel of the transition shaft and the chain wheel of the axle form chain transmission.

The axle be steering drive axle, the axle on still be provided with jaw differential mechanism, central flange, the joint of taking the tooth among the jaw differential mechanism set up on the swizzle of axle, the joint has the degree of freedom along the axial direction reciprocating motion of swizzle with the help of shift fork actuating mechanism, shift fork actuating mechanism including setting up left and right semi-axis in the frame, set up in the epaxial regulating spring of left and right semi-axis, the suit is on left and right semi-axis, with the left and right shift fork of regulating spring laminating, the other end and the joint rigid coupling of left and right shift fork, the swather still including set up on the handrail, through the left and right differential control handle of stay cord and left and right shift fork connection.

The header power input wheel of header gear box is connected with the help of the belt to another groove in the double-groove belt pulley, the power output end of header gear box passes through the header clutch and connects header work main shaft, the handrail on be provided with header control handle, be connected through acting as go-between header control handle and the header clutch.

The height difference between the axle center of the axle and the ground is 280-350 mm.

The frame on be provided with the handrail for detachable fixed connection's handrail altitude mixture control board, handrail altitude mixture control board is last to be provided with a plurality of adjustable height gear adjusting hole of longitudinal arrangement, wherein, N is more than or equal to 1 positive integer.

The height adjusting mechanism also comprises an auxiliary lifting rod, and two ends of the auxiliary lifting rod are respectively connected with the rack and the header by virtue of revolute pairs.

The utility model has the advantages that: by arranging a lifting rod which respectively has rotational freedom with the frame and the header, an adjusting rod fixedly connected with the lifting rod and a connecting rod hinged with the adjusting rod between the frame and the header of the cutter-rower, the lever is hinged with the tail end of the connecting rod and positioned on the handrail by virtue of the pin shaft, the relative height between the bottom surface of the header and the ground can be quickly and flexibly adjusted by controlling the lever, so that the height difference between the bottom surface of the header and the ground is greater than the depth of the drainage ditch, the cutter-rower can easily pass through the drainage ditch arranged on the terrace, the harvesting machine can work in the terrace with the drainage ditch, the labor intensity of manual harvesting is reduced, the manufacturing cost of the windrower is reduced, the harvesting efficiency of the stalk crops planted on the terrace with the drainage ditch is improved, the harvesting time is saved, and conditions are created for early sowing and early planting of the next stalk crops.

In addition, the limiting mechanism A and the limiting mechanism B are arranged on the handrail, so that the lever can be limited after the height of the header is adjusted by rotating the lever, and the highest position and the lowest position of the header are controlled. The limiting mechanism A corresponds to the lever position of the highest position of the header, and the limiting mechanism B corresponds to the lever position of the lowest position of the header. The height difference between the limiting mechanism A and the limiting mechanism B is 150-300mm, the height of the header can be set according to the actual situation of the terrace, and the applicable environment of the swather is wider. The axle is raised by increasing the diameter of the traveling wheel of the traditional walking tractor, so that the range of the height difference between the axle center and the ground is 280-350mm, the main body part of the frame is higher than the axle center of the axle, the height of the main body part of the frame is raised, and the trafficability and adaptability of the cutter-rower in a terrace with a drainage ditch are further improved.

Through set up the jaw differential mechanism of controlling left and right sides walking wheel respectively on the bridge tube of axle, install corresponding differential handle on the handrail, jaw differential mechanism links to each other with the differential handle of corresponding one side through the stay wire, when needs turn to, operate one of them differential handle, the stay wire drives the shift fork of corresponding one side and stirs jaw B and jaw A separation, this side wheel stall, the wheel of one side continues to rotate in addition, the front end of cutter-rower squints to one side of jaw clutch separation, the realization turns to.

The header is provided with the header clutch and the header control handle in a matching way, so that the independent control of the header can be realized, and after the engine is started, the separation and combination of the header clutch are operated as required, so that the header can carry out or stop the harvesting work of the stalk crops.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a front view of the simplified rear structure of the present invention;

FIG. 3 is a simplified top plan view of FIG. 2;

FIG. 4 is an assembled schematic view of the differential axle assembly of the present invention;

fig. 5 is a schematic view of a local structure of the header after being heightened;

FIG. 6 is an enlarged view of a portion of FIG. 1 at A;

fig. 7 is a partially enlarged view at B in fig. 2.

In the figure, 1, a frame, 2, a handrail, 3, an engine, 4, an axle, 41, a kingpin, 5, a traveling wheel, 6, a header gear box, 61, a gear box input wheel, 7, a header, 8, a rotating shaft, 9, a lifting rod, 10, an auxiliary lifting rod, 11, an adjusting rod, 12, a traveling wheel gearbox, 121, a gearbox input wheel, 122, a gearbox output wheel, 13, an axle chain wheel, 14, a transition shaft, 15, a speed adjusting wheel, 16, a double-groove belt pulley, 17, a connecting rod, 171, a lever, 172, a pin shaft, 18, a limiting mechanism A, 19, a limiting mechanism B, 20, a jaw differential, 201 a hub, 202, a joint, 203, a shifting fork, 204, a half shaft, 205, a differential control handle, 206, an adjusting spring, 21, a gear lever, 22, a belt, 23 and a handrail height adjusting plate.

Detailed Description

The present invention will be described in detail with reference to the following drawings and specific embodiments:

in a specific embodiment, as shown in fig. 1 to 7, a chinese-medicinal material wormwood cutter-rower with the capability of passing through the bank of furrows comprises a frame 1, a handrail 2, an engine 3 arranged on the frame 1, and a traveling mechanism driven by the engine 3, and a header 7 arranged at the front end of the frame 1 and connected with the output end of the engine 3 through a gear box input wheel 61 on a header gear box 6, wherein the key is as follows: the swather still include header height control mechanism, header height control mechanism include the lifter 9 that both ends are connected with frame 1, header 7 with the help of revolute pair respectively, with the regulation pole 11 of the 8 rigid couplings of pivot in the revolute pair that set up on frame 1, the other end of adjusting pole 11 articulates there is connecting rod 17, connecting rod 17's end with be located the lever 171 on handrail 2 with the help of round pin axle 172 articulated, lifter 9 has the degree of freedom that revolutes 8 rotations of axle with the help of lever 171 to the effort of adjusting rod 11, header 7 has the vertical degree of freedom to height control with the help of the rotation of lifter 9.

Through the arrangement of the lifting rod 9 with two ends respectively connected with the frame 1 and the header 7 through the revolute pair and the adjusting rod 11 fixedly connected with the rotating shaft 8 in the revolute pair connected with the lifting rod 9 and connected with the frame 1, the relative height between the header 7 and the ground can be adjusted by the adjusting rod 11, the manufacturing cost of the header height adjusting device is reduced, and the step of adjusting the height of the header 7 is simplified. The other end of the adjusting rod 11 is hinged with the connecting rod 17, the other end of the connecting rod 17 is hinged with the lever 171, the lever 171 is connected with the handrail 2 through the pin shaft 172, and the freedom degree of rotation around the connecting point 172 of the lever 2 is achieved, the arrangement enables an operator to rapidly drive the connecting rod 17 through the rotating lever 171 to drive the adjusting rod 11, the adjusting rod 11 drives the lifting rod 9 to rotate around a revolute pair connected with the rack, the relative height between the bottom surface of the header 7 and the ground is driven to change, the adjusting steps are simplified, and rapid adjustment of the header 7 is achieved.

Furthermore, the arrangement of the limiting mechanism a18 and the limiting mechanism B19 can provide a limiting function for the lever 171 with the adjusted height, when the lever 171 is at the limiting mechanism a18, the header 7 is locked at the highest position, and when the lever 171 is at the limiting mechanism B19, the header 7 is locked at the lowest position, so that the height of the header 7 is stable when the header is used for harvesting stalk crops or crossing the ditch ridge, and the control of an operator is facilitated. In addition, in order to enable the header to smoothly pass through the sill, the height difference range between the limiting mechanism a and the limiting mechanism B is 150-350mm, in this embodiment, the height difference between the limiting mechanism a and the limiting mechanism B is 300 mm. In order to help the lifting rod 9 to adjust the height of the header 7, reduce the stress of the lifting rod 9 and improve the stability of the header 7 during lifting, an auxiliary lifting rod 10 is arranged between the frame 1 and the header 7.

Further, in order to facilitate the control of the external output and the disconnection of the engine 3, a clutch 16 is provided on a flywheel of the engine 3, and a pulley is provided on an output shaft of the clutch. The clutch end of the double-groove belt pulley clutch is fixed on the flywheel of the engine 3, and the other end of the double-groove belt pulley clutch is respectively connected with the gearbox input wheel 121 of the walking wheel gearbox 12 and the gearbox input wheel 61 of the header gearbox 6 through belt transmission. The rotating speed of the engine 3 is controlled by controlling the accelerator of the engine 3, when the rotating speed of the engine 3 is low, the double-groove belt pulley clutch is not combined with the flywheel of the engine 3, does not rotate and is not transmitted with the walking wheel gearbox 12 and the header gearbox 6, when the accelerator of the engine 3 is controlled to enable the rotating speed of the engine 3 to be high, the double-groove belt pulley clutch is combined with the flywheel of the engine 3, the clutch 16 rotates, and power is respectively transmitted to the gearbox input wheel 121 and the gearbox input wheel 61 through the belt 22.

When the cutter-rower needs to shift gears and change speed in the walking process, the power transmission can be interrupted by only adjusting the accelerator of the engine 3 and reducing the rotating speed of the engine to separate the clutch 16 from the engine 3, the gear lever 21 is operated to shift gears manually, and after the gear shifting is finished, the accelerator of the engine 3 is adjusted again to increase the rotating speed of the engine, so that the double-groove belt pulley of the clutch can be driven to rotate, and the cutter-rower can continue to move. The road wheel gearbox 12 in the embodiment adopts a four-gear gearbox, which comprises three forward gears (the traveling speeds are 0.7m/s, 1.1m/s and 1.6m/s respectively) and a reverse gear (the reverse gear speed is 0.48m/s), so that the forward direction and the movement speed of a road wheel can be conveniently adjusted.

Further, in order to shorten the transmission distance between the traction transmission case 12 and the axle sprocket 13 and to further reduce the speed on the basis of the traction transmission case 12, a transition shaft 14 connected between the axle sprocket 13 on the axle 4 and the traction transmission case 12 is disposed on the frame 1, a speed-adjusting wheel 15 chain-connected with a transmission output wheel 122 is disposed on the transition shaft 14, and a transition shaft output wheel chain-connected with the axle sprocket 13 is disposed on the transition shaft. The speed output by the travelling wheel gearbox 12 is further reduced through the speed regulating wheel 15 on the transition shaft 14 and the transition shaft output wheel, so that the use requirement of the cutter-rower can be better met.

Furthermore, in order to improve the passing performance of the cutter-rower in the terraced fields with the drainage ditches, the travelling wheels with the slightly larger diameter are selected, so that the height difference between the axis of the axle 4 and the ground is 280mm to 350mm, in the embodiment, the travelling wheels with the diameter of 630mm are selected, so that the height difference between the axle 4 and the ground is about 300mm, and the lifting range of the header is also more than 300 mm. Therefore, the cutter-rower can smoothly pass through the drainage ditch, and the problem that the machine cannot pass in the terrace with the drainage ditch is solved.

Furthermore, in order to facilitate the steering of the cutter-rower, an axle 4 is set as a steering drive axle, two jaw type differentials 20 which respectively control a left traveling wheel 5 and a right traveling wheel 5 are arranged on the axle 4, wherein a central flange with teeth and a joint 202 in the jaw type differential 20 are arranged on a main pin 41 of the axle 4, a hub 201 of the traveling wheel 5 is in a structure meshed with the joint 202, and the joint 202 has a degree of freedom of reciprocating along the axial direction of the main pin 41 by means of a shifting fork driving mechanism, so that the engagement and the separation of the joint 202 and the hub 201 of the traveling wheel 5 are realized. The shifting fork driving mechanism comprises a left half shaft 204 and a right half shaft 204 which are arranged on the frame, an adjusting spring 206 arranged on the left half shaft 204 and the right half shaft 204, a left shifting fork 203 and a right shifting fork 203 which are sleeved on the left half shaft 204 and attached to the adjusting spring 206, the other ends of the left shifting fork 203 and the right shifting fork 203 are fixedly connected with a joint 202, a left differential control handle 205 and a right differential control handle 205 which are connected with the left shifting fork 203 and the right shifting fork 203 through pull wires are arranged on the handrail 2, and the control of the shifting fork 203 is realized by controlling the differential control handle 205, so that the joint 202 is controlled to be meshed with or separated.

When the cutter-rower needs to turn during walking, only the differential control handle 205 on one side of the cutter-rower needs to be operated, the shifting fork 203 connected with the differential control handle 205 is enabled to shift the joint 202, the joint 202 is enabled to axially move relative to the main pin 41 and separate from the hub 201 of the walking wheel 5, the walking wheel 5 on the side can be disconnected from transmission and stop rotation with the axle 4, the walking wheel 5 on the other side continues to rotate, and the front end of the cutter-rower deviates to the separated side of the jaw clutch 20, so that turning is achieved.

Further, the other belt groove of the clutch 16 is connected with the belt of the input wheel of the gear box. In order to conveniently and independently control the cutting table 7 to start and stop the harvesting work, a cutting table clutch (not marked in the drawing of the specification) is arranged between the cutting table gear box 6 and the cutting table 7, correspondingly, a cutting table control handle (not marked in the drawing of the specification) connected with the cutting table clutch through a stay wire is arranged on the handrail 2, and the cutting table control handle is conveniently operated to disconnect the connection between the cutting table gear box 6 and the engine 3 when the harvesting machine is only required to be moved and crops do not need to be harvested, so that the cutting work of the cutting table 7 is stopped, and the energy is saved.

Further, in order to enable people with different heights and body types to flexibly operate the swather, a handrail height adjusting plate 23 which is detachably and fixedly connected with the handrail 2 is arranged at the joint of the handrail 2 and the frame 1, N height-adjustable gear adjusting holes are longitudinally arranged on the handrail height adjusting plate 23, and N is a positive integer greater than or equal to 1. The handrail 2 can be connected with the adjustable height gear adjusting hole pin on the handrail height adjusting plate 23 to adjust the height of the handrail 2, in the embodiment, the number of the fixing holes is 3, and the adjustable height range of the handrail is between 800mm and 1200 mm.

Further, in order to make the adjusting rod 11 and the lifting rod 9 lift up and restore normal position in-process reasonable atress at header 7, and conveniently adjust, in this embodiment, the contained angle that will adjust between rod 11 and the lifting rod 9 sets up to the obtuse angle, in order to conveniently adjust the adjusting rod 11 application of force when needing to adjust header 7 height, can be when setting up header 7 at initial position, adjust the angle between rod 11 and the vertical face and be 10 to 30, when header 7 was raised, adjust the angle between rod 11 and the vertical face and be minus 15 to minus 60.

Claims (10)

1. The utility model provides a chinese-medicinal material chinese mugwort grass swather with cross bank ability, includes frame (1), sets up handrail (2), engine (3) on frame (1) and receives engine (3) driven running gear, sets up header (7) that gear box input wheel (61) on frame (1) front end, through header gear box (6) are connected with engine (3) output, its characterized in that: the swather still include header altitude mixture control mechanism, header altitude mixture control mechanism include lifter (9) that both ends are connected with frame (1), header (7) with the help of revolute pair respectively, with regulation pole (11) of pivot (8) rigid coupling in the revolute pair that sets up on frame (1), the other end of adjusting pole (11) articulates there is connecting rod (17), the end of connecting rod (17) with be fixed a position lever (171) on handrail (2) with the help of round pin axle (172) articulated, lifter (9) have the effort to adjusting rod (11) with the help of lever (171) and revolute axle (8) pivoted degree of freedom, header (7) have the degree of freedom of vertical to altitude mixture control with the help of the rotation of lifter (9).

2. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 1, wherein: the height adjusting mechanism further comprises a limiting mechanism A (18) which is arranged on the handrail on the same side with the lever (171) and limits the header (7) to be at the highest position, and a limiting mechanism B (19) which limits the header (7) to be at the lowest position.

3. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 2, wherein: the height difference between the limiting mechanism A (18) and the limiting mechanism B (19) is 150-350 mm.

4. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 1, wherein: running gear include walking wheel (5), walking wheel gearbox (12), clutch (16) and engine (3), clutch (16) one end is connected with the flywheel of engine (3), and the other end passes through belt transmission and connects walking wheel gearbox (12), belt transmission includes the action wheel, follows the driving wheel, and the action wheel sets up on the output shaft of clutch (16), sets up on the input shaft of walking wheel gearbox (12) from the driving wheel, the axle (4) of walking wheel (5) are installed through drive mechanism connection to the output shaft of walking wheel gearbox (12).

5. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 4, wherein: the transmission mechanism comprises a transition shaft (14), a speed regulating wheel (15) and a transition shaft output wheel which are arranged on the transition shaft (14), an axle chain wheel (13) which is arranged on an axle (4), and the speed regulating wheel (15) and a gearbox output wheel (122) on the output end of the walking wheel gearbox (12) form chain transmission; the transition shaft output wheel and the axle chain wheel (13) form chain transmission.

6. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 4, wherein: the utility model discloses a sun-cutting machine, including axle (4), axle (4) on still be provided with jaw differential mechanism (20), the central flange of tooth among the jaw differential mechanism (20), joint (202) set up on king pin (41) of axle (4), joint (202) have along the degree of freedom of axial direction reciprocating motion of king pin (41) with the help of shift fork actuating mechanism, shift fork actuating mechanism including set up left and right semi-axis (204) on frame (1), set up regulating spring (206) on left and right semi-axis (204), suit on left and right semi-axis (204), left and right shift fork (203) with regulating spring (206) laminating, the other end and the joint (202) rigid coupling of left and right shift fork (203), the sun-cutting machine still include set up on handrail (2), through the left shift fork (203) that acts as go-between and be connected, A right differential control handle (205).

7. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 4, wherein: the header power input wheel of header gear box (6) is connected with the help of the belt to the action wheel be double flute belt pulley, another groove in the double flute belt pulley, the power take off end of header gear box (6) passes through the header clutch and connects header working spindle, handrail (2) on be provided with header control handle, be connected through acting as go-between header control handle and the header clutch.

8. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 4, wherein: the height difference between the axle center of the axle (4) and the ground is 280-350 mm.

9. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 1, wherein: frame (1) on be provided with handrail altitude mixture control board (23) that are detachable fixed connection with handrail (2), handrail altitude mixture control board (23) are last to be provided with a plurality of adjustable height gear adjusting hole of longitudinal arrangement, wherein, N is more than or equal to 1 positive integer.

10. The chinese herbal medicine wormwood cutter-rower with the threshold passing capability of claim 1, wherein: the height adjusting mechanism further comprises an auxiliary lifting rod (10) of which two ends are respectively connected with the rack (1) and the cutting table (7) through revolute pairs.

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