CN108974128B - High-horsepower tractor - Google Patents
High-horsepower tractor Download PDFInfo
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- CN108974128B CN108974128B CN201810873409.2A CN201810873409A CN108974128B CN 108974128 B CN108974128 B CN 108974128B CN 201810873409 A CN201810873409 A CN 201810873409A CN 108974128 B CN108974128 B CN 108974128B
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- plate spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D24/00—Connections between vehicle body and vehicle frame
- B62D24/04—Vehicle body mounted on resilient suspension for movement relative to the vehicle frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/023—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a leaf spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
- B60S1/66—Other vehicle fittings for cleaning for cleaning vehicle exterior
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/08—Agricultural vehicles
- B60G2300/082—Tractors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/16—Running
- B60G2800/162—Reducing road induced vibrations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention belongs to the field of agricultural mechanical equipment, and particularly relates to a high-horsepower tractor which comprises a frame, a damping mechanism and a front axle; the damping mechanism is arranged below the rack and used for reducing the vibration of the rack; the front axle is arranged at the bottom of the damping mechanism; the damping mechanism comprises a mounting plate, a fixed rod, a fixed plate, a movable shaft, a bevel gear I, a bevel gear II, a swing rod and a plate spring; the left side and the right side of the frame are provided with slideways; the mounting plate is mounted inside the rack through a slideway of the rack; the fixed rods are arranged at the top of the rack in a bilateral symmetry manner; the fixing plates are positioned below the fixing rods and are arranged on the mounting plate in a bilateral symmetry manner; the upper ends of the movable shafts are arranged in the fixed rod, and the lower ends of the movable shafts penetrate through the fixed plate; the first bevel gear is arranged at the lower end of the movable shaft; the bevel gear II is arranged on the mounting plate through a connecting shaft; the upper ends of the swing rods are symmetrically fixed on the left bevel gear II and the right bevel gear II respectively; two ends of the plate spring are respectively hinged with the lower ends of the two swing rods.
Description
Technical Field
The invention belongs to the field of agricultural mechanical equipment, and particularly relates to a high-horsepower tractor.
Background
The tractor (tractor) is used for towing and driving the working machine to complete various mobile operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like.
Tractors are mainly used in agricultural production, and are the most common agricultural machines; therefore, the tractor must adapt to the influence of uneven road surface in the field on the tractor and the tractor during operation, so that the shock absorption is of great importance to the tractor, the quality of the shock absorption performance directly determines the quality of the tractor performance, and the problem that how to improve the shock absorption performance of the tractor is solved all the time is solved.
Patent document 1: a shock-absorbing high-horsepower tractor, application No.: 2017112983002
In the above-mentioned patent document 1, the damping effect of the tractor is realized by combining the multi-layer plate spring and the pressure spring, but the damping effect of the plate spring in the direct connection mode is not ideal, and the pressure spring can only damp the tractor on some small terrains, and when the terrain is complicated, the damping effect is not ideal.
Disclosure of Invention
In order to make up the defects of the prior art, the high-horsepower tractor provided by the invention has the advantages that the damping mechanism is arranged, and the plate spring, the bevel gear I, the bevel gear II, the swing rod, the movable shaft, the mounting plate and the fixed rod of the damping mechanism are matched with each other to realize the reverse compensation of the vibration borne by the tractor frame, so that the damping of the tractor is realized; meanwhile, the multi-layer plate spring is connected by the air cylinder, so that the damping performance of the plate spring is improved, and further the damping performance of the tractor is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a high-horsepower tractor which comprises a frame, a damping mechanism and a front axle, wherein the frame is provided with a front axle; the damping mechanism is arranged below the rack and used for reducing the vibration of the rack; the front axle is arranged at the bottom of the damping mechanism; the damping mechanism comprises a mounting plate, a fixed rod, a fixed plate, a movable shaft, a bevel gear I, a bevel gear II, a swing rod and a plate spring; the left side and the right side of the rack are provided with slideways which enable the mounting plate and the rack to generate relative displacement; the mounting plate is mounted inside the rack through a slideway of the rack; the number of the fixed rods is two, and the fixed rods are symmetrically arranged at the top of the rack from left to right; the number of the fixed plates is two, the fixed plates are positioned below the fixed rods and are symmetrically arranged on the mounting plate from left to right, the fixed plates play a role in guiding the movable shaft, and meanwhile the fixed plates play a role in supporting a disc of the movable shaft; the number of the movable shafts is two, each movable shaft consists of a shaft and a disc, the discs are positioned in the middle of the shafts, the upper ends of the movable shafts are installed in the fixed rods, the movable shafts can rotate in the fixed rods, and the lower ends of the movable shafts penetrate through the fixed plates; the first bevel gears are mounted at the lower ends of the movable shafts; the number of the bevel gears II is two, and the bevel gears II are arranged on the mounting plate through connecting shafts; the number of the swing rods is two, and the upper ends of the swing rods are symmetrically fixed on the left bevel gear II and the right bevel gear II respectively; the two ends of the plate spring are respectively hinged with the lower ends of the two swing rods, the plate spring is used for damping, and the plate spring is used for driving the swing rods to rotate. When the front axle vibrates downwards, the rack moves downwards along with the front axle, the plate spring bends downwards under the action of the front axle, the bevel gear II drives the bevel gear to rotate towards one side of the center of the rack along with the oscillating bar, the bevel gear rotates to enable the movable shaft to rotate along the spiral sliding groove in the fixed rod under the action of the sliding pin, and the disc structure on the movable shaft enables the movable shaft to extrude the fixed plate in the rotating process of the movable shaft, so that the rack and the fixed rod move upwards for a certain distance relative to the fixed plate and the front axle under the action of the movable shaft, the distance of the whole rack reduced relative to the front axle is shorter, and the damping effect is achieved; when the front axle receives ascending vibrations, the frame and front axle upward movement together, the leaf spring receives ascending power bending degree this moment and diminishes for the pendulum rod moves to frame both sides, thereby make bevel gear two drive bevel gear frame both sides rotate earlier on, bevel gear one rotates the loose axle that makes and constantly contracts to the dead lever in, along with the shrink of loose axle, the frame moves down under the effect of gravity, makes the relative front axle upward movement's of frame distance still less, thereby has played the cushioning effect.
A round cavity and a sealing block are arranged inside the fixing rod; a spiral chute is also arranged in the circular cavity, and lubricating oil is fully coated in the spiral chute; the sealing block is positioned at the lower end part of the circular cavity and used for sealing the fixed rod to prevent lubricating oil from leaking, so that the movable shaft can be ensured to flexibly rotate in the fixed rod all the time; the movable shaft is provided with a plurality of sliding pins, and the sliding pins are used for driving the movable shaft to rotate along the spiral sliding groove and move up and down in the fixed rod. When the shock absorption mechanism works, the movable shaft rotates in the spiral chute of the fixed rod and moves up and down along the spiral chute due to the existence of the sliding pin, so that the shock absorption effect of the shock absorption mechanism is realized, and meanwhile, the movable shaft rotates more flexibly due to the existence of lubricating oil in the spiral chute, so that the shock absorption mechanism has a more sensitive shock absorption effect, the shock absorption performance of a tractor is improved, and a driver has higher comfort when driving the tractor; the existence of dead lever internal seal piece has avoided the leakage of lubricating oil in the dead lever, and then makes lubricating oil better lubricate the loose axle for damper can remain good shock attenuation effect throughout, has avoided frequently adding lubricating oil simultaneously, has reduced the loss of manpower and materials, the cost is reduced.
And a liquid discharge hole is also formed in the sliding pin and used for reducing the resistance of the lubricating oil to the sliding pin. During operation, the existence of outage makes the loose axle take the sliding pin to rotate in the dead lever, and partial lubricating oil passes from the outage for the resistance that the loose axle received is littleer, thereby makes the rotation of loose axle more nimble, and then makes damper's sensitivity higher, can be more sensitive, effectual plays the cushioning effect to the tractor, has improved the adaptability of tractor to complicated topography.
The multiple groups of plate springs are connected with the dust removing part through the air cylinder, the fixing lug and the connecting rod, and the arrangement of the multiple groups of plate springs greatly improves the damping effect of the damping mechanism, so that the tractor obtains a better damping effect, and the performance of the tractor is improved; a plurality of grooves are symmetrically arranged on the left and right of the plate spring; the lower end of the air cylinder is arranged in the groove of the plate spring, the air cylinder is used for improving the damping effect of the plate spring, and the air cylinder is arranged in the groove of the plate spring, so that the air cylinder and the plate spring are combined more tightly and firmly, the transmission between the plate spring of the air cylinder and the air cylinder is more accurate, the damping effect of the air cylinder on the plate spring is improved, and the damping effect of the damping mechanism is further improved; the fixing lugs are arranged at the lower end of the upper layer of plate spring and are arranged in pairs; the connecting rod is arranged at the lower end of the upper layer of plate spring through a pair of fixing lugs and is connected with the upper end of the cylinder; the dust removing part is positioned between the two layers of plate springs, the upper end and the lower end of the dust removing part are respectively arranged on the upper layer of plate spring and the lower layer of plate spring, and the dust removing part is used for damping and removing dust for the plate springs. When the tractor works, the damping effect of the damping mechanism is greatly improved due to the design of the multiple groups of plate springs, so that the damping effect of the tractor is improved, the adaptability of the tractor to the terrain is improved, and the performance of the tractor is improved; the air cylinder plays a role in damping the plate spring, and the combination of the air cylinder and the plate spring is more compact and firm due to the combination of the groove formed in the plate spring and the air cylinder, so that the transmission between the plate spring and the air cylinder is more accurate, the damping effect of the air cylinder on the plate spring is improved, and the damping effect of the damping mechanism is further improved; the existence of dust removal piece has increased the shock attenuation effect of leaf spring when, cleaning action has been played to the leaf spring, the piling up of dust on the leaf spring has been avoided, the influence of dust to the elasticity of leaf spring has been avoided, thereby make the leaf spring remain good elasticity throughout, and then make damper remain good shock attenuation effect throughout, the clearance of dust has been carried out to the leaf spring to avoided frequently artifically, manpower and materials's loss has been reduced, dust has been avoided the influence in leaf spring life-span simultaneously, damper's life has been improved, and then the life of tractor has been improved.
The fixing lug is also internally provided with a semicircular block, a supporting rod and an air bag; a cavity is also arranged in the fixing lug, and the section of the cavity is in a combined shape of a semicircle and a rectangle; the semicircular block is arranged at the semicircular part of the cavity, a through hole is formed in the semicircular block, and the semicircular block is used for installing a connecting rod; the upper end of the supporting rod is connected with the semicircular block, the lower end of the supporting rod is fixed at the bottom of the cavity, and the supporting rod is used for supporting the semicircular block; the gasbag is located the rectangle position of cavity, and the gasbag parcel is in the periphery of branch, and the gasbag is used for playing the cushioning effect to semicircle piece, improves the shock attenuation effect of leaf spring. During operation, the upper end of the cylinder is installed on the semicircular block in the fixed lug through the connecting rod, the supporting rod and the air bag play a supporting role in the semicircular block, the air bag improves the damping effect of the cylinder on the plate spring, the damping effect of the damping mechanism is further improved, the cylinder is prevented from being directly connected with the plate spring, the service life of the cylinder is prolonged, the service life of the damping mechanism is further prolonged, and the performance of a tractor is improved.
The dust removing part consists of a first piston rod, a second piston rod and a third piston rod; the first piston rod is fixed on the lower plate spring, and a first circular groove is formed in the upper end of the first piston rod; the lower end of the piston rod II is arranged in the circular groove I of the piston rod I, and the upper end of the piston rod II is provided with a circular groove II; the upper end of the piston rod III is installed at the bottom of the upper-layer plate spring, and the lower end of the piston rod III is installed in the circular groove II of the piston rod II. During operation, piston rod one, piston rod two and piston rod three set up, have increased the buffer capacity of dust removal piece for dust removal piece better cooperatees with the leaf spring, thereby improved the shock attenuation effect when multiply wood spring makes up, better combines the leaf spring together, and then has improved damper's shock attenuation effect, has improved the performance of tractor.
The piston rod I and the circular groove II of the piston rod II are internally provided with a wedge-shaped groove, the wedge-shaped groove is used for enabling gas in cavities between the piston rod I and the piston rod II and between the piston rod II and the piston rod III to be blown out, dust removal and cleaning are carried out on the plate spring, the contact part between the piston rod II and the piston rod I and the contact part between the piston rod III and the piston rod II are in zero clearance fit, and the zero clearance fit enables the gas to be. When the plate spring is in work, when the plate springs are close to each other, air in cavities between the first piston rod and the second piston rod and air in cavities between the second piston rod and the third piston rod are blown out from the wedge-shaped grooves, so that the plate springs are cleaned, dust on the plate springs is prevented from being accumulated, the dust is prevented from influencing the elasticity of the plate springs, the damping performance of the plate springs is further ensured, the damping performance of the damping mechanism is ensured, and the damping mechanism can play a good damping effect on the tractor; simultaneously, the clearance of dust on the leaf spring has avoided dust to the influence in leaf spring life-span to improved damper's life, and then improved tractor's performance and life, avoided frequent maintenance, change damper, reduced the loss of manpower and materials.
The invention has the following beneficial effects:
1. according to the high-horsepower tractor, the damping mechanism is arranged, and the plate spring, the bevel gear I, the bevel gear II, the swing rod, the movable shaft, the mounting plate and the fixed rod of the damping mechanism are matched with each other to realize the reverse compensation of the vibration borne by the tractor frame, so that the vibration of the tractor is reduced; meanwhile, the multi-layer plate spring is connected by the air cylinder, so that the damping performance of the plate spring is improved, and further the damping performance of the tractor is improved.
2. According to the high-horsepower tractor, the dust removing piece is arranged among the multiple layers of plate springs, and the dust on the plate springs is cleaned by utilizing the vibration of the plate springs to approach, so that the elasticity of the plate springs is ensured, the damping performance of a damping mechanism of the tractor is ensured, and the damping performance of the tractor is ensured; meanwhile, the influence of dust on the service life of the tractor is avoided, the service life of the shock absorption mechanism of the tractor is prolonged, and the performance of the tractor is improved.
3. According to the high-horsepower tractor, the sliding pin is arranged on the movable shaft of the damping mechanism, and the liquid discharging hole is formed in the sliding pin, so that the movable shaft can rotate along the spiral sliding groove in the fixed rod of the damping mechanism and slide up and down, the resistance of lubricating oil to the sliding pin is reduced, the movable shaft can rotate more flexibly, the sensitivity of the damping mechanism is improved, and the damping performance of the tractor is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of a combination of multiple sets of leaf springs;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a cross-sectional view C-C of FIG. 2;
FIG. 6 is an enlarged view of a portion of FIG. 3 at D;
in the figure: the device comprises a frame 1, a damping mechanism 2, a front axle 3, a mounting plate 21, a fixed rod 22, a fixed plate 23, a movable shaft 24, a bevel gear I25, a bevel gear II 26, a swing rod 27, a plate spring 28, a sealing block 221, a sliding pin 241, a liquid discharge hole 242, an air cylinder 281, a fixed lug 282, a connecting rod 283, a dust removing piece 284, a semicircular block 285, an air bag 286, a piston rod I287, a piston rod II 288, a piston rod III 289 and a wedge-shaped groove 290.
Detailed Description
The structure of a high-horsepower tractor according to an embodiment of the present invention will be described below with reference to fig. 1 to 6.
As shown in fig. 1 and 3, the high horsepower tractor according to the present invention includes a frame 1, a damper mechanism 2, and a front axle 3; the damping mechanism 2 is arranged below the rack 1, and the damping mechanism 2 is used for reducing the vibration of the rack 1; the front axle 3 is arranged at the bottom of the damping mechanism 2; the damping mechanism 2 comprises a mounting plate 21, a fixed rod 22, a fixed plate 23, a movable shaft 24, a first bevel gear 25, a second bevel gear 26, a swing rod 27 and a plate spring 28; the left side and the right side of the rack 1 are provided with slideways, and the slideways enable the mounting plate 21 and the rack 1 to generate relative displacement; the mounting plate 21 is mounted inside the rack 1 through a slide way of the rack 1; the number of the fixing rods 22 is two, and the fixing rods 22 are symmetrically arranged at the top of the rack 1 in the left-right direction; the number of the fixed plates 23 is two, the fixed plates 23 are positioned below the fixed rods 22, the fixed plates 23 are symmetrically arranged on the mounting plate 21 from left to right, the fixed plates 23 guide the movable shaft 24, and meanwhile, the fixed plates 23 support a disc of the movable shaft 24; the number of the movable shafts 24 is two, each movable shaft 24 consists of a shaft and a disc, the discs are positioned in the middle of the shafts, the upper ends of the movable shafts 24 are installed in the fixed rods 22, the movable shafts 24 can rotate in the fixed rods 22, and the lower ends of the movable shafts 24 penetrate through the fixed plates 23; the number of the first bevel gears 25 is two, and the first bevel gears 25 are arranged at the lower ends of the movable shafts 24; the number of the second bevel gears 26 is two, and the second bevel gears 26 are installed on the installation plate 21 through connecting shafts; the number of the swing rods 27 is two, and the upper ends of the swing rods 27 are symmetrically fixed on the left bevel gear II and the right bevel gear II 26 respectively; the two ends of the plate spring 28 are respectively hinged with the lower ends of the two swing rods 27, the plate spring 28 is used for damping vibration, and the plate spring 28 is used for driving the swing rods 27 to rotate. When the front axle 3 vibrates downwards, the rack 1 moves downwards along with the front axle 3, the plate spring 28 bends downwards under the action of the front axle 3, the bevel gear II 26 drives the bevel gear I25 to rotate towards one side of the center of the rack 1 along with the swing rod 27, the bevel gear I25 rotates to enable the movable shaft 24 to rotate along the spiral sliding groove in the fixed rod 22 under the action of the sliding pin 241, the disc structure on the movable shaft 24 enables the movable shaft 24 to extrude the fixed plate 23 in the rotating process of the movable shaft 24, so that the rack 1 and the fixed rod 22 move upwards for a certain distance relative to the fixed plate 23 and the front axle 3 under the action of the movable shaft 24, the reduced distance of the whole rack 1 relative to the front axle 3 is shorter, and the shock absorption effect is achieved; when the front axle 3 receives upward vibration, the frame 1 and the front axle 3 move upward together, the bending degree of the plate spring 28 receiving upward force at the moment is reduced, the swing rod 27 moves towards the two sides of the frame 1, the bevel gear II 26 drives the bevel gear I25 to rotate towards the two sides of the frame 1, the movable shaft 24 which is rotated and made by the bevel gear I25 continuously contracts towards the inside of the fixed rod 22, along with the contraction of the movable shaft 24, the frame 1 moves downward under the action of gravity, the distance of the frame 1 moving upward relative to the front axle 3 is less, and the shock absorption effect is achieved.
As shown in fig. 3 and 6, a circular cavity and a sealing block 221 are provided inside the fixing rod 22; a spiral chute is also arranged in the circular cavity, and lubricating oil is fully coated in the spiral chute; the sealing block 221 is located at the lower end of the circular cavity, and the sealing block 221 is used for sealing the fixed rod 22 to prevent lubricating oil from leaking, so that the movable shaft 24 can be guaranteed to flexibly rotate in the fixed rod 22 all the time; the movable shaft 24 is provided with a plurality of sliding pins 241, and the sliding pins 241 are used for driving the movable shaft 24 to rotate along the spiral sliding groove and move up and down in the fixed rod 22. During operation, the movable shaft 24 moves up and down along the spiral chute while rotating in the spiral chute of the fixed rod 22 due to the existence of the sliding pin 241, so that the damping effect of the damping mechanism 2 is realized, and meanwhile, the movable shaft 24 can rotate more flexibly due to the existence of lubricating oil in the spiral chute, so that the damping mechanism 2 has a more sensitive damping effect, the damping performance of the tractor is improved, and a driver has higher comfort when driving the tractor; the existence of dead lever 22 internal seal piece 221 has avoided leaking of lubricating oil in the dead lever 22, and then makes lubricating oil better lubricate the loose axle 24 for damper 2 can remain good shock attenuation effect throughout, has avoided frequent adding lubricating oil simultaneously, has reduced the loss of manpower and materials, the cost is reduced.
As shown in fig. 3 and 6, the slide pin 241 is further provided with a drain hole 242, and the drain hole 242 is used for reducing the resistance of the lubricating oil to the slide pin 241. During operation, when the existence of drain hole 242 makes movable shaft 24 take sliding pin 241 to rotate in dead lever 22, partial lubricating oil passes from drain hole 242 for the resistance that movable shaft 24 received is littleer, thereby makes movable shaft 24's rotation more nimble, and then makes damper 2's sensitivity higher, can be more sensitive, effectual plays the cushioning effect to the tractor, has improved the adaptability of tractor to complicated topography.
As shown in fig. 2, the plurality of groups of plate springs 28 are arranged, the plate springs 28 are connected with the dust removing part 284 through the air cylinder 281, the fixing lug 282 and the connecting rod 283, and the arrangement of the plurality of groups of plate springs 28 greatly improves the damping effect of the damping mechanism 2, so that the tractor obtains a better damping effect, and the performance of the tractor is improved; a plurality of grooves are symmetrically arranged on the left and the right of the plate spring 28; the lower end of the air cylinder 281 is arranged in a groove of the plate spring 28, the air cylinder 281 is used for improving the damping effect of the plate spring 28, and the air cylinder 281 is arranged in the groove of the plate spring 28, so that the air cylinder 281 and the plate spring 28 are combined more tightly and firmly, the transmission between the air cylinder 281 and the plate spring 28 and the air cylinder 281 is more accurate, the damping effect of the air cylinder 281 on the plate spring 28 is improved, and the damping effect of the damping mechanism 2 is further improved; the fixing lugs 282 are arranged at the lower ends of the plate springs 28 in the upper layer, and the fixing lugs 282 are arranged in pairs; the connecting rod 283 is arranged at the lower end of the upper layer of plate spring 28 through a pair of fixing lugs 282, and the connecting rod 283 is connected with the upper end of the air cylinder 281; the dust removing part 284 is positioned between the two layers of the plate springs 28, the upper end and the lower end of the dust removing part 284 are respectively arranged on the upper layer of the plate spring 28 and the lower layer of the plate spring 28, and the dust removing part 284 is used for damping and removing dust for the plate springs 28. When the tractor works, the damping effect of the damping mechanism 2 is greatly improved due to the design of the multiple groups of plate springs 28, so that the damping effect of the tractor is improved, the adaptability of the tractor to the terrain is improved, and the performance of the tractor is improved; the air cylinder 281 has a damping effect on the plate spring 28, and the combination of the air cylinder 281 and the plate spring 28 is tighter and firmer due to the combination of the groove arranged on the plate spring 28 and the air cylinder 281, so that the transmission between the plate spring 28 and the air cylinder 281 is more accurate, the damping effect of the air cylinder 281 on the plate spring 28 is improved, and the damping effect of the damping mechanism 2 is further improved; dust removal 284 exists when having increased the shock attenuation effect of leaf spring 28, the cleaning action has been played to leaf spring 28, the pile up of dust on the leaf spring 28 has been avoided, the influence of dust to the elasticity of leaf spring 28 has been avoided, thereby make leaf spring 28 remain good elasticity throughout, and then make damper 2 remain good shock attenuation effect throughout, the clearance of frequently artifical dust to leaf spring 28 has been avoided, the loss of manpower and materials has been reduced, the influence of dust to the life-span of leaf spring 28 has been avoided simultaneously, damper 2's life has been improved, and then the life of tractor has been improved.
As shown in fig. 4, a semicircular block 285, a strut and a balloon 286 are further disposed in the fixing lug 282; a cavity is also arranged in the fixing lug 282, and the section of the cavity is in a combined shape of a semicircle and a rectangle; the semicircular block 285 is arranged at the semicircular part of the cavity, a through hole is formed in the semicircular block 285, and the semicircular block 285 is used for installing the connecting rod 283; the upper end of the supporting rod is connected with the semicircular block, the lower end of the supporting rod is fixed at the bottom of the cavity, and the supporting rod is used for supporting the semicircular block; the gasbag 286 is located the rectangle position in the cavity, and gasbag 286 parcel is in the periphery of branch, and gasbag 286 is used for playing the cushioning effect to semicircle piece 285, improves the shock attenuation effect of leaf spring 28. During operation, the upper end of cylinder 281 is installed on the semicircle piece 285 in fixed ear 282 through the connecting rod 283, branch and gasbag 286 play the supporting role to semicircle piece 285, the existence of gasbag 286 has improved the shock attenuation effect of cylinder 281 to leaf spring 28, and then improved damper 2's shock attenuation effect, avoided cylinder 281 directly to be connected with leaf spring 28 simultaneously, the life of cylinder 281 has been improved, thereby further improvement damper 2's life, the performance of tractor has been improved.
As shown in fig. 2, the dust removing unit 284 is composed of a first piston rod 287, a second piston rod 288, and a third piston rod 289; the first piston rod 287 is fixed on the lower leaf spring 28, and a first circular groove is formed in the upper end of the first piston rod 287; the lower end of the second piston rod 288 is arranged in the first circular groove 287 of the first piston rod, and the upper end of the second piston rod 288 is provided with a second circular groove; the upper end of the piston rod III 289 is arranged at the bottom of the upper-layer plate spring 28, and the lower end of the piston rod III 289 is arranged in the circular groove II of the piston rod II 288. During operation, the arrangement of the first piston rod 287, the second piston rod 288 and the third piston rod 289 increases the buffering capacity of the dust removing part 284, so that the dust removing part 284 is better matched with the plate spring 28, the damping effect when the multi-layer plate springs 28 are combined is improved, the plate springs 28 are better combined together, the damping effect of the damping mechanism 2 is further improved, and the use performance of the tractor is improved.
As shown in fig. 5, a wedge groove 290 is arranged in the first circular groove and the second circular groove of the first piston rod 287 and the second piston rod 288, and the wedge groove 290 is used for blowing out air in the cavities between the first piston rod 287 and the second piston rod 288 and between the second piston rod 288 and the third piston rod 289 to perform dust removal cleaning on the plate spring 28, a contact portion of the second piston rod 288 and the first piston rod 287 and a contact portion of the third piston rod 289 and the second piston rod 288 are in zero clearance fit, and the zero clearance fit enables air to be blown out only from the wedge groove 290. In operation, when the plate springs 28 approach each other, the air in the cavities between the first piston rod 287 and the second piston rod 288, and between the second piston rod 288 and the third piston rod 289 is blown out from the wedge-shaped groove 290, so that the plate springs 28 are cleaned, and accumulation of dust on the plate springs 28 is avoided, thereby preventing the dust from influencing the elasticity of the plate springs 28, further ensuring the damping performance of the plate springs 28, ensuring the damping performance of the damping mechanism 2, and enabling the damping mechanism 2 to have a good damping effect on the tractor; simultaneously, the clearance of dust on plate spring 28 has avoided the influence of dust to plate spring 28 life-span to improved damper 2's life, and then improved tractor's performance and life, avoided frequent maintenance, change damper 2, reduced the loss of manpower and materials.
The specific working process is as follows:
when the front axle 3 vibrates downwards, the rack 1 moves downwards along with the front axle 3, the plate spring 28 bends downwards under the action of the front axle 3, the bevel gear II 26 drives the bevel gear I25 to rotate towards one side of the center of the rack 1 along with the swing rod 27, the bevel gear I25 rotates to enable the movable shaft 24 to rotate along the spiral sliding groove in the fixed rod 22 under the action of the sliding pin 241, the disc structure on the movable shaft 24 enables the movable shaft 24 to extrude the fixed plate 23 in the rotating process of the movable shaft 24, so that the rack 1 and the fixed rod 22 move upwards for a certain distance relative to the fixed plate 23 and the front axle 3 under the action of the movable shaft 24, the reduced distance of the whole rack 1 relative to the front axle 3 is shorter, and the shock absorption effect is achieved; when the front axle 3 receives upward vibration, the frame 1 and the front axle 3 move upward together, the bending degree of the plate spring 28 receiving upward force at the moment is reduced, the swing rod 27 moves towards the two sides of the frame 1, the bevel gear II 26 drives the bevel gear I25 to rotate towards the two sides of the frame 1, the movable shaft 24 which is rotated and made by the bevel gear I25 continuously contracts towards the inside of the fixed rod 22, along with the contraction of the movable shaft 24, the frame 1 moves downward under the action of gravity, the distance of the frame 1 moving upward relative to the front axle 3 is less, and the shock absorption effect is achieved. In the process, the movable shaft 24 moves up and down along the spiral chute while rotating in the spiral chute of the fixed rod 22 due to the existence of the sliding pin 241, so that the damping effect of the damping mechanism 2 is realized, and meanwhile, the movable shaft 24 rotates more flexibly due to the existence of the lubricating oil in the spiral chute, so that the damping mechanism 2 has a more sensitive damping effect, and the damping performance of the tractor is improved; the existence of the sealing block 221 in the fixed rod 22 prevents the leakage of lubricating oil in the fixed rod 22, so that the lubricating oil can better lubricate the movable shaft 24, the damping mechanism 2 can always keep a good damping effect, the frequent addition of the lubricating oil is avoided, the loss of manpower and material resources is reduced, and the cost is reduced; due to the existence of the liquid discharge hole 242 on the sliding pin 241, when the movable shaft 24 drives the sliding pin 241 to rotate in the fixed rod 22, part of lubricating oil penetrates through the liquid discharge hole 242, so that the resistance applied to the movable shaft 24 is smaller, the rotation of the movable shaft 24 is more flexible, the sensitivity of the damping mechanism 2 is higher, and the damping effect on the tractor can be more sensitively and effectively realized; the design of the multiple groups of plate springs 28 greatly improves the damping effect of the damping mechanism 2 and improves the performance of the tractor; the air cylinder 281 has a damping effect on the plate spring 28, and the combination of the air cylinder 281 and the plate spring 28 is tighter and firmer due to the combination of the groove arranged on the plate spring 28 and the air cylinder 281, so that the transmission between the plate spring 28 and the air cylinder 281 is more accurate, the damping effect of the air cylinder 281 on the plate spring 28 is improved, and the damping effect of the damping mechanism 2 is further improved; when the plate spring 28 moves, the air cylinder 281 drives the semicircular block 285 to extrude the air bag 286 and the supporting rod, the existence of the air bag 286 improves the damping effect of the air cylinder 281 on the plate spring 28, and further improves the damping effect of the damping mechanism 2, and meanwhile, the air cylinder 281 is prevented from being directly connected with the plate spring 28, so that the service life of the air cylinder 281 is prolonged, and further the service life of the damping mechanism 2 is prolonged. The plate springs 28 approach each other, so that the first piston rod 287, the second piston rod 288 and the third piston rod 289 of the dust removing member 284 approach each other, and air in the cavities between the first piston rod 287 and the second piston rod 288, and between the second piston rod 288 and the third piston rod 289 is blown out from the wedge-shaped groove 290, so that the plate springs 28 are cleaned, dust accumulation on the plate springs 28 is avoided, the dust is prevented from influencing the elasticity of the plate springs 28, the damping performance of the plate springs 28 is ensured, and the damping performance of the damping mechanism 2 is ensured; simultaneously, the influence of dust to the life-span of plate spring 28 has been avoided in the clearance of dust on plate spring 28 to improved damper 2's life, avoided frequent maintenance, change damper 2, reduced the loss of manpower and materials. The arrangement of the first piston rod 287, the second piston rod 288 and the third piston rod 289 increases the buffering capacity of the dust removing part 284, so that the dust removing part 284 is better matched with the plate spring 28, the damping effect when the multiple layers of plate springs 28 are combined is improved, the plate springs 28 are better combined together, the damping effect of the damping mechanism 2 is further improved, and the use performance of the tractor is improved.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
(A) In the above embodiment, the movable shaft is provided with the slide pin so as to rotate and move upward in the spiral chute in the fixed rod, but the present invention is not limited thereto, and the movable shaft may be provided with a screw thread to realize the function of the movable shaft.
Industrial applicability
According to the invention, the high-horsepower tractor has good shock absorption effect when working and strong adaptability to terrain, so that the high-horsepower tractor is useful in the technical field of transportation equipment.
The description and drawings are only for the purpose of illustrating the principles of the invention and are therefore, within the spirit and scope of the invention, subject to adaptation and change by those skilled in the art according to the specific use, and are within the scope of the invention.
Claims (7)
1. A high-horsepower tractor comprises a frame (1), a damping mechanism (2) and a front axle (3); the damping mechanism (2) is arranged below the rack (1), and the damping mechanism (2) is used for reducing the vibration of the rack (1); the front axle (3) is arranged at the bottom of the damping mechanism (2); the method is characterized in that: the damping mechanism (2) comprises a mounting plate (21), a fixed rod (22), a fixed plate (23), a movable shaft (24), a bevel gear I (25), a bevel gear II (26), a swing rod (27) and a plate spring (28); the left side and the right side of the frame (1) are provided with slideways; the mounting plate (21) is mounted inside the rack (1) through a slide way of the rack (1); the number of the fixing rods (22) is two, and the fixing rods (22) are symmetrically arranged at the top of the rack (1) from left to right; the number of the fixing plates (23) is two, the fixing plates (23) are positioned below the fixing rods (22), and the fixing plates (23) are symmetrically arranged on the mounting plate (21) in the left-right direction; the number of the movable shafts (24) is two, each movable shaft (24) consists of a shaft and a disc, the discs are positioned in the middle of the shafts, the upper ends of the movable shafts (24) are installed in the fixed rods (22), the movable shafts (24) can rotate in the fixed rods (22), and the lower ends of the movable shafts (24) penetrate through the fixed plates (23); the number of the bevel gears I (25) is two, and the bevel gears I (25) are arranged at the lower end of the movable shaft (24); the number of the second bevel gears (26) is two, and the second bevel gears (26) are installed on the installation plate (21) through connection shafts; the number of the swing rods (27) is two, and the upper ends of the swing rods (27) are symmetrically fixed on the left bevel gear II and the right bevel gear II (26) respectively; the two ends of the plate spring (28) are respectively hinged with the lower ends of the two swing rods (27), the plate spring (28) is used for damping, and the plate spring (28) is used for driving the swing rods (27) to rotate.
2. A high horsepower tractor according to claim 1, wherein: a round cavity and a sealing block (221) are arranged in the fixing rod (22); a spiral chute is also arranged in the circular cavity, and lubricating oil is fully coated in the spiral chute; the sealing block (221) is positioned at the lower end part of the circular cavity, and the sealing block (221) is used for sealing the fixing rod (22); the movable shaft (24) is provided with a plurality of sliding pins (241), and the sliding pins (241) are used for driving the movable shaft (24) to rotate along the spiral sliding groove and move up and down in the fixed rod (22).
3. A high horsepower tractor according to claim 2, wherein: the sliding pin (241) is also provided with a liquid drainage hole (242), and the liquid drainage hole (242) is used for reducing the resistance of lubricating oil to the sliding pin (241).
4. A high horsepower tractor according to claim 1, wherein: the plate springs (28) are provided with a plurality of groups, and the plate springs (28) are connected with the dust removing piece (284) through the air cylinder (281), the fixing lug (282) and the connecting rod (283); a plurality of grooves are symmetrically arranged on the left and the right of the plate spring (28); the lower end of the air cylinder (281) is arranged in a groove of the plate spring (28), and the air cylinder (281) is used for improving the damping effect of the plate spring (28); the fixing lugs (282) are arranged at the lower end of the plate spring (28) on the upper layer, and the fixing lugs (282) are arranged in pairs; the connecting rod (283) is arranged at the lower end of the upper layer of plate spring (28) through a pair of fixing lugs (282), and the connecting rod (283) is connected with the upper end of the air cylinder (281); the dust removing piece (284) is positioned between the two layers of plate springs (28), the upper end and the lower end of the dust removing piece (284) are respectively arranged on the upper layer of plate spring and the lower layer of plate spring (28), and the dust removing piece (284) is used for playing a role in damping and removing dust for the plate springs (28).
5. A high horsepower tractor according to claim 4, wherein: a semicircular block (285), a strut and an air bag (286) are also arranged in the fixing lug (282); a cavity is also arranged in the fixing lug (282), and the section of the cavity is in a combined shape of a semicircle and a rectangle; the semicircular block (285) is arranged at the semicircular part of the cavity, a through hole is formed in the semicircular block (285), and the semicircular block (285) is used for installing the connecting rod (283); the upper end of the supporting rod is connected with the semicircular block, the lower end of the supporting rod is fixed at the bottom of the cavity, and the supporting rod is used for supporting the semicircular block; the gasbag (286) are located the rectangle position in the cavity, and gasbag (286) parcel is in the periphery of branch, and gasbag (286) are used for playing the cushioning effect to semicircle piece (285), improve the shock attenuation effect of leaf spring (28).
6. A high horsepower tractor according to claim 4, wherein: the dust removal part (284) consists of a first piston rod (287), a second piston rod (288) and a third piston rod (289); the first piston rod (287) is fixed on the lower plate spring (28), and a first circular groove is formed in the upper end of the first piston rod (287); the lower end of the second piston rod (288) is arranged in the first circular groove of the first piston rod (287), and the upper end of the second piston rod (288) is provided with a second circular groove; the upper end of the piston rod III (289) is arranged at the bottom of the upper layer plate spring (28), and the lower end of the piston rod III (289) is arranged in the circular groove II of the piston rod II (288).
7. A high horsepower tractor according to claim 6, wherein: the first circular groove and the second circular groove of the first piston rod (287) and the second piston rod (288) are internally provided with a wedge-shaped groove (290), the wedge-shaped groove (290) is used for blowing out air in cavities between the first piston rod (287) and the second piston rod (288) and between the second piston rod (288) and the third piston rod (289), so that dust removal and cleaning are carried out on the plate spring (28), the contact part of the second piston rod (288) and the first piston rod (287) and the contact part of the third piston rod (289) and the second piston rod (288) are in zero clearance fit, and the zero clearance fit enables the air to be blown out only from the wedge-shaped groove (290).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810873409.2A CN108974128B (en) | 2018-08-02 | 2018-08-02 | High-horsepower tractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810873409.2A CN108974128B (en) | 2018-08-02 | 2018-08-02 | High-horsepower tractor |
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| CN108974128A CN108974128A (en) | 2018-12-11 |
| CN108974128B true CN108974128B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810873409.2A Active CN108974128B (en) | 2018-08-02 | 2018-08-02 | High-horsepower tractor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109624930B (en) * | 2019-01-29 | 2024-03-22 | 潍坊大地金属制造有限公司 | High-power wheeled tractor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19506930A1 (en) * | 1994-03-02 | 1995-09-07 | Siprel | Device for lowering back end of vehicle to ground |
| CN202879180U (en) * | 2012-10-29 | 2013-04-17 | 李大海 | Double-leaf-spring front shock adsorption device of small-sized tractor |
| CN107972736A (en) * | 2017-12-08 | 2018-05-01 | 马志成 | A kind of shock-absorbing type big-powered tractor |
| CN109121480A (en) * | 2018-08-02 | 2019-01-04 | 徐浩 | A kind of forest plantation Soil tillage method |
-
2018
- 2018-08-02 CN CN201810873409.2A patent/CN108974128B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19506930A1 (en) * | 1994-03-02 | 1995-09-07 | Siprel | Device for lowering back end of vehicle to ground |
| CN202879180U (en) * | 2012-10-29 | 2013-04-17 | 李大海 | Double-leaf-spring front shock adsorption device of small-sized tractor |
| CN107972736A (en) * | 2017-12-08 | 2018-05-01 | 马志成 | A kind of shock-absorbing type big-powered tractor |
| CN109121480A (en) * | 2018-08-02 | 2019-01-04 | 徐浩 | A kind of forest plantation Soil tillage method |
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| CN108974128A (en) | 2018-12-11 |
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Effective date of registration: 20210409 Address after: 311225 Yipeng village, Yipeng street, dajiangdong industrial cluster, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: ZHEJIANG BENQUAN INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 230036 Anhui Agriculture University, 130 Changjiang West Road, Anhui, Hefei Applicant before: Xu Hao |
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