CN109997480B - Power transmission assembly - Google Patents
Power transmission assembly Download PDFInfo
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- CN109997480B CN109997480B CN201910300146.0A CN201910300146A CN109997480B CN 109997480 B CN109997480 B CN 109997480B CN 201910300146 A CN201910300146 A CN 201910300146A CN 109997480 B CN109997480 B CN 109997480B
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- Prior art keywords
- sliding table
- rod
- speed regulating
- fixed
- fertilizer
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 description 97
- 238000007599 discharging Methods 0.000 description 33
- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- 235000009566 rice Nutrition 0.000 description 6
- 241000886569 Cyprogenia stegaria Species 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- 244000267222 Brasenia schreberi Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009418 agronomic effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention relates to a power transmission assembly, which comprises a power connecting rod mechanism, a speed regulating mechanism, a long rocker arm and a rocker arm, wherein the speed regulating mechanism comprises a speed regulating rod, a sliding block, a sliding table rear support and a sliding table front support, wherein the sliding table rear support and the sliding table front support are mutually fixed through sliding table support rods, the sliding block is arranged on the sliding table support rods between the sliding table rear support and the sliding table front support in a sliding manner, the speed regulating rod penetrates through the sliding table front support and the sliding block, the speed regulating rod is arranged in the sliding block through a second ball bearing, one end of the speed regulating rod is connected with the power connecting rod mechanism, the other end of the speed regulating rod is fixed with a tappet arm, a shaft perpendicular to the speed regulating rod is penetrated through the sliding table front support, a middle rocker arm is fixed on the shaft, the middle rocker arm is hinged with the tappet arm, one end of the long rocker arm is fixed with the shaft, and the other end of the long rocker arm is hinged with one end of the rocker arm. The device has the advantages of simple structure, convenient adjustment and smoother gradient adjustment.
Description
Technical Field
The invention belongs to the technical field of crop fertilization equipment, and particularly relates to a power transmission assembly.
Background
The rice transplanting machine is an agricultural machine for transplanting rice seedlings in a paddy field, and generally has a walking part and a transplanting part pulled by the walking part, the walking part drives the rice transplanting machine to move forwards, the transplanting part performs seedling transplanting in the paddy field, and generally, a plurality of transplanting parts are arranged on one rice transplanting machine, and the rice transplanting machine can complete one-time multi-row seedling transplanting work. The combined operation of deep fertilization is currently generally accepted reasonable agronomic method when the seedling transplanting machine is used for transplanting seedlings, the power assembly of the fertilizer applicator matched with the seedling transplanting machine at present is complex in general structure, has no speed regulation function and cannot be well matched with the seedling transplanting action, and in addition, because the power assembly is closer to the ground, impurities such as mud and dust are easy to enter the power assembly during working, and the service life is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a power transmission assembly which is convenient for adjusting the fertilizer conveying speed, so that the fertilizer applicator can be better matched with a rice transplanter.
In order to achieve the above object, the present invention adopts the following technical scheme:
the utility model provides a power transmission assembly, includes power link mechanism, speed adjusting mechanism, long rocking arm and rocker, speed adjusting mechanism includes speed adjusting lever, slider and through slip table back support and slip table front support of slip table bracing piece mutual fixation, the slider slides and sets up on the slip table bracing piece between slip table back support and slip table front support, the speed adjusting lever runs through slip table front support and slider, and the speed adjusting lever passes through the second ball bearing setting in the slider, the one end and the power link mechanism of speed adjusting lever are connected, and the other end is fixed with the tappet arm, runs through on the slip table front support be equipped with speed adjusting lever mutually perpendicular's axle, epaxial be fixed with well rocking arm, and well rocking arm is articulated with tappet arm, and the one end and the axle of long rocking arm are fixed, and the other end is articulated with rocker one end, power link mechanism includes drive connecting rod and fender, drive connecting rod one end is equipped with the ring, and is equipped with the ball bearing that is used for connecting the speed adjusting lever in the ring, the other end of drive connecting rod is equipped with the ring, the ring is provided with the eccentric wheel through first ball bearing in the ring, and two fender respectively fix in the both sides of eccentric wheel.
As a preferable scheme: the width of the eccentric wheel is larger than that of the large ring, the outer edge of the round of the mud guard is turned inwards to form a flanging, and the width of the eccentric wheel is smaller than the sum of the widths of the large ring and the flanging.
As a preferable scheme: the eccentric wheel is internally hollow to form an oil chamber for containing lubricating oil, and O-shaped sealing rings are arranged on two sides of the eccentric wheel.
As a preferable scheme: the sliding table is characterized by further comprising an adjusting device, wherein the adjusting device comprises a screw rod with two ends respectively arranged on the front support of the sliding table and the rear support of the sliding table, and a screw rod nut in threaded fit with the screw rod, the screw rod nut is fixed in the sliding block, one end of the screw rod is further provided with an adjusting hand wheel, and a position indicator is arranged between the adjusting hand wheel and the screw rod.
As a preferable scheme: the position indicator comprises a plurality of coaxially arranged indicating rings, one of the indicating rings is provided with indicating ring teeth, the shaft of the adjusting hand wheel, which is fixed with the screw rod, is also provided with hand wheel ring teeth, and the hand wheel ring teeth are meshed with the indicating ring teeth.
As a preferable scheme: the shaft of the adjusting hand wheel fixed with the screw rod is arranged in parallel with the rotating shafts of the indicating rings.
As a preferable scheme: the sliding table front support is U-shaped, the middle rocker arm is positioned at the opening of the sliding table front support, and a transmission shaft is further arranged between the shaft and the long rocker arm through a coupler.
According to the invention, the two ends of the speed regulating rod are respectively connected with the power input end and the power output end, the speed regulating rod is provided with the sliding block through the second ball bearing, the position of the middle supporting point of the speed regulating rod is changed through the position change of the sliding block on the two sliding table supporting rods, so that the purpose of adjusting the fertilizer conveying speed is realized by changing the movement speed of the two ends of the speed regulating rod, and the device is simple in structure, convenient to adjust and smoother in adjustment gradient.
In addition, the eccentric wheel and the transmission connecting rod of the connecting rod mechanism are installed through the first ball bearing, the installation accuracy requirement is low, the assembly is more convenient, mud and water can be prevented from entering the power connecting rod mechanism by the mud and water shields on two sides of the eccentric wheel, and the service life is prolonged.
Drawings
FIG. 1 is an exploded view of the overall structure of a fertilizer applicator;
FIG. 2 is a schematic view of the overall structure of the fertilizer applicator;
FIG. 3 is a schematic view of the overall structure of the front face of the fertilizer tank;
FIG. 4 is a schematic side overall structure of the fertilizer box;
FIG. 5 is a cross-sectional view A-A of FIG. 3;
FIG. 6 is a sectional view B-B of FIG. 4;
FIG. 7 is an enlarged view of a portion of FIG. 5 at C;
FIG. 8 is a schematic view of the structure of the fertilizer dosing assembly at an angle;
FIG. 9 is a schematic view of another angular configuration of the fertilizer dosing assembly;
fig. 10 is a schematic view of the structure of the wheel drive device at an angle;
FIG. 11 is a schematic view showing the structure of the fertilizer wheel drive apparatus at another angle;
FIG. 12 is a schematic cross-sectional view of a fertilizer dosing assembly;
FIG. 13 is a schematic cross-sectional view of the isolator;
FIG. 14 is a schematic structural view of a power transmission assembly;
FIG. 15 is a schematic view of the mounting structure of the power linkage, governor mechanism and governor device;
FIG. 16 is a schematic view of the mounting structure of the governor mechanism and governor device;
FIG. 17 is a schematic view of a power link;
FIG. 18 is a schematic view of an adjusting device;
FIG. 19 is a schematic view of an angle of the governor mechanism;
FIG. 20 is a schematic view of another angle of the governor mechanism;
FIG. 21 is a schematic view of an angle configuration of the ditching and fertilizer delivery assembly;
FIG. 22 is a schematic view of another angular configuration of the ditching and fertilizer assembly;
fig. 23 is a schematic structural view of the fertilizer box stand.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The utility model provides a sideways fertilizer distributor as shown in fig. 1 and 2, includes fertilizer case 1, fertilizer ration delivery assembly 2, power transmission assembly 3, ditching fertilizer delivery assembly 4 and support 5, fertilizer case 1 and fertilizer ration delivery assembly 2 set up respectively in the upper portion and the lower part of support 5, power transmission assembly 3 drive fertilizer ration delivery assembly 2 carries fertilizer, ditching fertilizer delivery assembly 4 is connected with fertilizer ration delivery assembly 2 through the pipeline.
As shown in fig. 3 to 7 and 23, the fertilizer box 1 includes a box 11, a lower portion of the box 11 is closed to form a feed opening 15, two through holes are formed in the bottom of the feed opening 15, a grille 181 is fixed in the through holes, a circle of groove is further formed in the outer side wall of the lower portion of the grille 181, a sealing ring 110 is further clamped in the groove, and the sealing ring 110 extends to the lower end face of the grille 181. A metal baffle 19 is further interposed between at least one of the grids 181 and the feed opening 15. The bottom surface of the sealing ring 110 is flush with the bottom surface of the feed opening 15. The sealing ring is clamped on the side face of the grid and extends to the bottom of the grid, the sealing ring is flush with the blanking opening, the sealing ring is reduced to be in contact with air, the sealing effect is better, the sealing ring is not prone to aging, in addition, a metal plate is arranged between the grid and the blanking opening as required, the blanking channel can be flexibly closed, and waste of fertilizer is reduced.
The box body 11 is detachably hinged with a box cover 12 through a hinge 111, the lower part of the box body 11 is provided with a fertilizer box seat 13 hinged with the bracket 5, and the fertilizer box seat 13 is also provided with a movable lock catch 14 matched with a fixed buckle 113 on the bracket 5. The case lid is detachable to be connected, uses more nimble convenience, and the box is articulated with the support body moreover for the box can overturn the operation, and it is more convenient to use.
The side wall of the lower part of the box body 11 is also clamped with a photoelectric switch 17 through a sensor seat 16, and the sensor seat 16 is made of rubber. The hinge 111 is a loose core hinge, and the case cover 12 is also provided with a binding band 112 for fixing the case cover 12. The setting of bandage can make the case lid that the activity set up more stable, and the use of bandage is also more nimble, installs photoelectric switch through the sensor seat in addition, and the assembly is more convenient.
The fertilizer box seat 13 comprises a first fixing seat 131 fixed with the lower part of the box body and a second fixing seat 132 fixed with the bracket 5, one end of the first fixing seat 131 is hinged with one end of the second fixing seat 132, a second lug 134 extending upwards is further arranged on the second fixing seat 132, a first lug 133 is arranged at the bottom of the first fixing seat 131, and the first fixing seat 131 and the second fixing seat 132 form a limit in the rotation direction of the hinge shaft through extrusion of the first lug 133 and the second lug 134. The first tab 133 and the second tab 134 are disposed perpendicular to each other.
The fertilizer box seats 13 are three, are respectively arranged at two sides and the middle part of the bottom of the box body 11, and the movable lock catches 14 are arranged at the other ends of the first fixing seats 131 of the fertilizer box seats 13 in the middle part.
As shown in fig. 8, 9 and 12, the fertilizer ration delivery assembly 2 includes fertilizer discharging shell, fertilizer discharging wheel 23, fertilizer discharging funnel 26, fertilizer discharging wheel drive arrangement, fan shell 27 and fan, fertilizer discharging shell upper portion is equipped with the feed inlet, and the front end is equipped with the fertilizer discharging mouth, the feed inlet communicates with the feed opening of fertilizer case 1, fertilizer discharging funnel 26 joint is at fertilizer discharging shell lower part front end, fan shell 27 is fixed at the rear end of fertilizer discharging shell lower part, be equipped with a plurality of mouth of pipes on the fertilizer discharging funnel 26, a plurality of fans are fixed in fan shell 27, and every fan corresponds a mouth of pipe, fertilizer discharging wheel 23 rotates through fertilizer discharging wheel axle 25 and sets up in fertilizer discharging shell, and by fertilizer discharging wheel drive arrangement drive rotation. The fertilizer quantitative conveying assembly is provided with the fans through the pipe orifice of each fertilizer discharging funnel, so that one pipe orifice corresponds to one fan, fertilizer is conveyed more stably, the pipe orifices correspond to the fans one by one, and whether the corresponding pipe orifice has a blocking condition or not can be obtained through detecting the working condition of the fans.
The fertilizer discharging shell comprises a fertilizer discharging upper cover 21 and a fertilizer discharging base 22 which are fixed with each other, a valve is further arranged at the inner end of the fertilizer discharging opening, a fertilizer discharging pull buckle 28 is hinged to the valve, a limit column 29 is further fixed at the outer end of the fertilizer discharging opening, and the fertilizer discharging pull buckle 28 is propped against the limit column 29. The valve is convenient for discharging redundant fertilizer, and the fertilizer discharging pull buckle 28 and the limit post 29 are matched for use, so that the structure is simple and the operation is convenient.
The lower part of the fertilizer discharging shell is also provided with a buckling edge 210, the lower part of the fertilizer discharging funnel 26 is provided with a limiting block 212, the fan shell 27 is hinged with a fertilizer discharging funnel pulling buckle 211, the upper side of the fertilizer discharging funnel 26 is clamped with the buckling edge 210, and the lower side part is fixed with the limiting block 212 through the fertilizer discharging funnel pulling buckle 211. The fertilizer discharging funnel adopts a detachable assembly mode, so that the device is convenient to detach and clean in time when the device is blocked.
The fertilizer brush 209 is still equipped with to be located the one side of fertilizer feed wheel 23 in the fertilizer feed casing, fertilizer brush 209 adopts the rubber material, does not harm fertilizer feed wheel 23 promptly, can prevent again that fertilizer from blockking up in the fertilizer feed casing, the bottom of fan casing 27 is equipped with a plurality of wind holes 213.
As shown in fig. 10 and 11, the fertilizer wheel driving device comprises a one-way device 201, a fertilizer wheel driving shaft 202, a driving gear 271, a fertilizer discharging gear 24, a gear seat 272 and an operating mechanism, wherein the one-way device 201 is fixed at one end of the fertilizer wheel driving shaft 202, the fertilizer discharging gear 24 is fixed at one end of the fertilizer wheel shaft 25, the driving gear 271 is arranged on the fertilizer wheel driving shaft 202 through the gear seat 272, a limiting ring is further arranged on the fertilizer wheel driving shaft 202, a spring 273 is arranged between the limiting ring and the gear seat 272, the operating mechanism is fixed on the bracket 5 and drives the gear seat 272 to slide on the fertilizer wheel driving shaft 202, so that the driving gear 271 and the fertilizer discharging gear 24 are meshed with or separated from each other. The fertilizer wheel driving device is arranged, so that the rotation and stop control of the fertilizer wheel are more convenient.
The operating mechanism comprises a first deflector rod 261 and a second deflector rod 262, wherein one ends of the first deflector rod 261 and the second deflector rod 262 are mutually hinged through a hinge post 263, the middle parts of the first deflector rod 261 and the second deflector rod 262 are rotatably arranged on a fixed plate 266 fixed with the bracket 5 through a rotating shaft 264, one end of a gear seat 272 is provided with a circle of convex edge, and the other end of the second deflector rod 262 is propped against the convex edge of the gear seat 272.
As shown in fig. 13, the isolator 201 includes a fixed sleeve 203 fixed to the bracket 5, a movable sleeve 204 connected to the power mechanism, and an inner shaft 205, the fixed sleeve 203 and the movable sleeve 204 are respectively disposed outside the inner shaft 205 through a one-way bearing 206, an oil storage chamber is formed in the inner shaft 205, an aluminum oil gauge 207 is fixed at one end of the inner shaft 205, an inner hexagon bolt 208 is fixed at the other end of the inner shaft 205, and the fertilizer wheel driving shaft 202 is inserted into the inner hexagon bolt 208. The isolator 201 is internally provided with an oil storage chamber, lubrication among parts is more sufficient, service life is longer, an aluminum oil indicator at one end of the isolator is convenient for observing the condition of the oil storage chamber, and an inner hexagon bolt at the other end is convenient for inserting the fertilizer wheel driving shaft 202, so that assembly production is more flexible.
As shown in fig. 14 to 20, the power transmission assembly 3 includes a power link mechanism, a speed adjusting mechanism, a long rocker arm 312 and a rocker 313, the speed adjusting mechanism includes a speed adjusting rod 33, a sliding block 35, and a sliding table rear support 314 and a sliding table front support 38 which are mutually fixed by a sliding table support bar 37, the sliding block 35 is slidably disposed on the sliding table support bar 37 between the sliding table rear support 314 and the sliding table front support 38, the speed adjusting rod 33 penetrates through the sliding table front support 38 and the sliding block 35, the speed adjusting rod 33 is disposed in the sliding block 35 by a second ball bearing 331, one end of the speed adjusting rod 33 is connected with the power link mechanism, the other end is fixed with a tappet arm 315, a shaft 391 perpendicular to the speed adjusting rod 33 is penetrated through the sliding table front support 38, a middle rocker arm 39 is fixed on the shaft 391, the middle rocker arm 39 is hinged with the tappet arm 315, one end of the long rocker arm 312 is fixed with the shaft 391, the other end is hinged with one end of the rocker arm 313, and the other end of the rocker arm 313 is hinged with a movable sleeve 204 of the isolator 201.
The power transmission assembly is respectively connected with the power input end and the power output end through the two ends of the speed regulating rod, the speed regulating rod is provided with a sliding block through a second ball bearing, the position of the middle supporting point of the speed regulating rod is changed through the position change of the sliding block on the two sliding table supporting rods, the movement speed of the two ends of the speed regulating rod is changed, the purpose of adjusting the fertilizer conveying speed is achieved, and the adjustment gradient is smoother.
The sliding table front support 38 is U-shaped, the middle rocker arm 39 is positioned at the opening of the sliding table front support 38, and a transmission shaft 311 is arranged between the shaft 391 and the long rocker arm 312 through a coupling.
The power link mechanism comprises a transmission link 31 and mud flaps 32, wherein a small ring 319 is arranged at one end of the transmission link 31, a ball bearing used for connecting a speed regulating rod 33 is arranged in the small ring 319, a large ring 323 is arranged at the other end of the transmission link 31, an eccentric wheel 317 is arranged in the large ring 323 through a first ball bearing 318, the two mud flaps 32 are respectively fixed at two sides of the eccentric wheel 317, and a power output shaft is further inserted in the eccentric wheel.
The eccentric wheel and the transmission connecting rod are installed through the first ball bearing, the installation accuracy requirement is lower, the assembly is more convenient, in addition, mud water can be prevented from entering the power connecting rod mechanism through mud shields on two sides of the eccentric wheel, and the service life is prolonged.
The width of the eccentric wheel 317 is larger than that of the large ring 323, the outer edge of the fender 32 is turned inwards to form a flanging 321, and the width of the eccentric wheel 317 is smaller than the sum of the widths of the large ring 323 and the flanging 321. The eccentric wheel 317 is hollow to form an oil chamber for containing lubricating oil, and O-rings are further disposed on two sides of the eccentric wheel 317.
The power transmission assembly 3 further comprises an adjusting device, the adjusting device comprises a screw rod 34, screw nuts 341 and adjusting hand wheels 310, the two ends of the screw rod 34 are respectively arranged on the sliding table front support 38 and the sliding table rear support 314, the screw nuts 341 are in threaded fit with the screw rod 34, the screw nuts 341 are fixed in the sliding blocks 35, the adjusting hand wheels 310 are further arranged at one ends of the screw rod, and position indicators are arranged between the adjusting hand wheels and the screw rod. The adjusting mode of the screw rod and the nut is higher in adjusting precision, and the speed adjusting precision of the power transmission assembly is further improved due to the arrangement of the position indicator.
The position indicator comprises a plurality of coaxially arranged indicating rings, one indicating ring is provided with indicating ring teeth 3161, the shaft of the adjusting hand wheel 310 fixed with the screw 34 is also provided with hand wheel ring teeth 3101, and the hand wheel ring teeth 3101 are meshed with the indicating ring teeth 3161. The shaft of the adjusting hand wheel 310 fixed with the screw rod 34 is parallel to the rotating shafts of the indicating rings.
As shown in fig. 21 and 22, the ditching and fertilizer delivery assembly 4 comprises a ditching machine bracket 41, a welding shaft 43, ditching plates 44 and a fertilizer delivery pipe 47, wherein the ditching machine bracket 41 is fixed with the welding shaft 43 through two connecting pipes 42 arranged at intervals, a plurality of ditching plates 44 are arranged at intervals at the lower part of the welding shaft 43, one end of the fertilizer delivery pipe 47 is fixed with one side of the ditching plates 44, an arc-shaped through groove 46 is formed in one side of the ditching plates 44 fixed with the fertilizer delivery pipe 47, and the other end of the fertilizer delivery pipe 47 is fixed with a pipe orifice of the fertilizer discharge hopper 26. The fertilizer conveying pipe is arranged on the ditching plate, so that fertilizer can be more accurately released to the transplanting place, and the fertilizer conveying pipe and the ditching plate are connected through the arc through groove in a clamping mode, and the operation is more convenient.
The whole ditching plate 44 is wedge-shaped, and both sides face of ditching plate 44 is equipped with trapezoidal breach 45 respectively ditching machine support 41 is the side pipe, welded axle 43 is the pipe, and welded axle 43's length is less than ditching machine support 41's length. The wedge-shaped opening hook plate reduces resistance and has higher efficiency.
It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the principles of the present invention should be considered to fall within the scope of the present invention.
Claims (3)
1. A power transmission assembly, characterized in that: the speed regulating mechanism comprises a speed regulating rod (33), a sliding block (35) and a sliding table rear support (314) and a sliding table front support (38) which are mutually fixed through a sliding table supporting rod (37), wherein the sliding block (35) is arranged on the sliding table supporting rod (37) between the sliding table rear support (314) and the sliding table front support (38), the speed regulating rod (33) penetrates through the sliding table front support (38) and the sliding block (35), the speed regulating rod (33) is arranged in the sliding block (35) through a second ball bearing (331), one end of the speed regulating rod (33) is connected with the power connecting rod, the other end of the speed regulating rod is fixed with a tappet (315), a shaft (391) which is mutually perpendicular to the speed regulating rod (33) is arranged on the sliding table front support (38), a middle rocker (39) is fixed on the shaft (391), one end of the long rocker (312) is hinged with the shaft (391), the other end of the long rocker (312) is hinged with one end of the rocker (313), the power connecting rod (319) comprises a transmission connecting rod (319) and a small ball bearing (31) which is arranged in the transmission connecting rod (31), the other end of the transmission connecting rod (31) is provided with a large ring (323), an eccentric wheel (317) is arranged in the large ring (323) through a first ball bearing (318), two mud guards (32) are respectively fixed at two sides of the eccentric wheel (317),
the device also comprises an adjusting device, the adjusting device comprises a screw rod (34) with two ends respectively arranged on a front support (38) of the sliding table and a rear support (314) of the sliding table, and a screw rod nut (341) which is matched with the screw rod (34) through threads, the screw rod nut (341) is fixed in the sliding block (35), one end of the screw rod is also provided with an adjusting hand wheel (310), a position indicator is arranged between the adjusting hand wheel and the screw rod,
the position indicator comprises a plurality of coaxially arranged indicating rings, one indicating ring is provided with indicating ring teeth (3161), the shaft of the adjusting hand wheel (310) fixed with the screw rod (34) is also provided with hand wheel ring teeth (3101), the hand wheel ring teeth (3101) are meshed with the indicating ring teeth (3161),
the shaft of the regulating hand wheel (310) fixed with the screw rod (34) is arranged in parallel with the rotating shafts of the indicating rings,
the sliding table front support (38) is U-shaped, the middle rocker arm (39) is positioned at the opening of the sliding table front support (38), and a transmission shaft (311) is further arranged between the shaft (391) and the long rocker arm (312) through a coupler.
2. A power transmission assembly as claimed in claim 1, wherein: the width of the eccentric wheel (317) is larger than that of the large ring (323), a circle of outer edge of the mud guard (32) is turned inwards to form a flanging (321), and the width of the eccentric wheel (317) is smaller than the sum of the widths of the large ring (323) and the flanging (321).
3. A power transmission assembly as claimed in claim 1, wherein: the inside of the eccentric wheel (317) is hollow to form an oil chamber for containing lubricating oil, and O-shaped sealing rings are arranged on two sides of the eccentric wheel (317).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300146.0A CN109997480B (en) | 2019-04-15 | 2019-04-15 | Power transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300146.0A CN109997480B (en) | 2019-04-15 | 2019-04-15 | Power transmission assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109997480A CN109997480A (en) | 2019-07-12 |
| CN109997480B true CN109997480B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910300146.0A Active CN109997480B (en) | 2019-04-15 | 2019-04-15 | Power transmission assembly |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110606193B (en) * | 2019-10-21 | 2023-04-07 | 西安京东天鸿科技有限公司 | Transmission, aileron controlling device and unmanned aerial vehicle |
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| JP2003339216A (en) * | 2002-05-24 | 2003-12-02 | Yanmar Agricult Equip Co Ltd | Power transmission apparatus |
| CN101016924A (en) * | 2007-02-28 | 2007-08-15 | 重庆建设摩托车股份有限公司 | Shoe-type automatic clutch |
| JP2011120482A (en) * | 2009-12-08 | 2011-06-23 | Kubota Corp | Paddy working machine |
| JP2014212718A (en) * | 2013-04-24 | 2014-11-17 | 井関農機株式会社 | Fertilizing apparatus |
| CN107155484A (en) * | 2017-06-13 | 2017-09-15 | 浙江理工大学 | The adjustable fertilizer amount chain drive mechanism of Rice lateral deep fertilizer spraying machine |
| CN108293382A (en) * | 2018-03-22 | 2018-07-20 | 浙江博源农机有限公司 | A kind of transmission mechanism of side deep fertilizing device |
| CN109566027A (en) * | 2019-01-18 | 2019-04-05 | 盐城市威氏机械有限公司 | A kind of cam wobble plate formula single-direction transmission deceleration device |
| CN209882551U (en) * | 2019-04-15 | 2020-01-03 | 浙江星莱和农业装备有限公司 | Power transmission assembly |
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| CN109997480A (en) | 2019-07-12 |
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