CN114514872B - Agricultural irrigation transport vehicle with strong obstacle crossing capability and use method thereof - Google Patents
Agricultural irrigation transport vehicle with strong obstacle crossing capability and use method thereof Download PDFInfo
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- CN114514872B CN114514872B CN202210413312.XA CN202210413312A CN114514872B CN 114514872 B CN114514872 B CN 114514872B CN 202210413312 A CN202210413312 A CN 202210413312A CN 114514872 B CN114514872 B CN 114514872B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/09—Watering arrangements making use of movable installations on wheels or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses an agricultural irrigation transport vehicle with strong obstacle crossing capability and a using method thereof. The invention belongs to the technical field of sprinkling irrigation transport vehicles, and particularly relates to an agricultural irrigation transport vehicle with strong obstacle crossing capability and a use method thereof; the cantilever type self-adaptive triggering type guide wheel upwarping device and the self-warping type real-time pre-tightening type track wheel frame overcome the technical prejudice that the pre-deformation can be carried out only by using a sensor for detection, and effectively solve the technical contradiction that the track of the common small-sized track type agricultural spray irrigation transport vehicle needs to be in contact with the ground (the contact area with the ground is increased, the ground holding force is improved, the slipping is prevented), and also needs not to be in contact with the ground (the track needs to be warped for guiding when obstacles are crossed, and the track is prevented from being stuck at a ridge).
Description
Technical Field
The invention belongs to the technical field of sprinkling irrigation transport vehicles, and particularly relates to an agricultural irrigation transport vehicle with strong obstacle crossing capability and a use method thereof.
Background
The sprinkling irrigation is common operation content in agricultural production, and most of the agricultural fields are muddy, the hardness of the mud is small, the friction force is small, the agricultural fields are not sunk into the mud in the advancing process, the crawler type structure is undoubtedly an advancing structure which has large friction force and is suitable for advancing on flat muddy ground, and at present, more agricultural vehicles engaged in special operation advance through the crawler.
Different from large vehicles such as tanks and harvesters, the sprinkling irrigation vehicle is usually small in size, light in weight and short in length, so that the width and the length of the crawler belt are limited, the friction force with the ground is small, in a limited length space, in order to improve the contact area between the crawler belt and the ground as much as possible, the bottom of the crawler belt assembly needs to be designed to be wide, but the two ends of the crawler wheels are pressed downwards instead of tilted, the crawler wheels are easy to clamp at the roots of ridges when passing through sections such as raised ridges, and if the crawler belt is designed to be of a structure similar to the tilted front end of the tank, the grip of the crawler belt cannot reach the optimal state when the vehicle runs on a flat section.
Based on the discussion of the problems, the invention provides a deformable, adaptable and obstacle-crossing agricultural irrigation transport vehicle and a using method thereof.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the agricultural irrigation transport vehicle with strong obstacle crossing capability and the use method thereof, wherein the agricultural irrigation transport vehicle can be deformed in a self-adaptive manner when passing through a raised ridge through a mechanical unpowered trigger device under the condition that no special driving and control module and sensor are arranged.
The technical scheme adopted by the invention is as follows: the invention provides an agricultural irrigation transport vehicle with strong obstacle crossing capability, which comprises cantilever type self-adaptive trigger type guide wheel upwarping devices, self-warping type real-time pre-tightening type crawler wheel frames, a combined crawler wheel and a transport vehicle advancing driving device, wherein the cantilever type self-adaptive trigger type guide wheel upwarping devices are symmetrically arranged on the self-warping type real-time pre-tightening type crawler wheel frames, the cantilever type self-adaptive trigger type guide wheel upwarping devices have a self-triggering and upwarping function and can conduct pre-guiding when crossing ridges, the self-warping type real-time pre-tightening type crawler wheel frames are arranged on the transport vehicle advancing driving device in an array mode, the self-warping type real-time pre-tightening type crawler wheel frames can change shapes under different road conditions so as to adapt to the obstacle crossing state and the flat road advancing state, and the combined crawler wheel is arranged on the self-warping type real-time pre-tightening type crawler wheel frames.
Further, cantilever type self-adaptation triggers type guide pulley upwarping device includes from the unpowered drive arrangement of resilience formula leading wheel perk push rod and cantilever type, locate on the real-time pretension type track wheel carrier of self-perk formula from the resilience formula leading wheel perk push rod, can drive combination formula track wheel through self-resilience formula leading wheel perk push rod passively and warp, the unpowered drive arrangement of cantilever type is located on the real-time pretension type track wheel carrier of self-perk formula, through the unpowered drive arrangement of cantilever type, when having bellied ridge on the route of marcing of vehicle, triggers the shape that changes combination formula track wheel with the ground, and then improves the ability of hindering more.
Preferably, the self-rebounding type guide wheel tilting push rod comprises a push rod rotating base station, a hollow push rod body, a circular piston push rod, a movable rotating base, a push rod hinge pin shaft and a push rod resetting tension spring, the push rod rotating base station is arranged on the self-tilting type real-time pre-tightening type crawler wheel frame, a base station rotating shaft is arranged on the push rod rotating base station, a cylinder end part hinge ring is arranged on the hollow push rod body, the hollow push rod body is rotatably arranged on the base station rotating shaft through the cylinder end part hinge ring, the circular piston push rod is clamped and slidably arranged in the hollow push rod body, the circular piston push rod is in sliding sealing contact with the inner wall of the hollow push rod body, the combined crawler wheel can be driven to deform through the relative sliding of the circular piston push rod and the hollow push rod body, the push rod end part hinge ring is arranged on the circular piston push rod, the movable rotating base is arranged on the self-tilting type real-time pre-tightening type crawler wheel frame, the movable rotating base is provided with a base center hole, the push rod hinge pin shaft is clamped in the base center hole, the round piston push rod is rotatably arranged on the push rod hinge pin shaft through a push rod end hinge ring, the push rod reset tension spring is arranged on the round piston push rod, one end of the push rod reset tension spring is fixedly connected with the push rod end hinge ring, the other end of the push rod reset tension spring is fixedly connected with the hollow push rod body, and the push rod reset tension spring has the function of increasing the rolling area when in a flat road form.
As a further preferred aspect of the present invention, the cantilever type unpowered driving device comprises a square self-guiding cylinder body, a square self-guiding sealing piston push rod, a flexible power connection pipeline, a top roller and an end guide roller, the cantilever type unpowered driving device is compressed under the block of the raised ridge by the driving force of the vehicle traveling and the inertia of the vehicle without any power unit, a large number of sensors and driving and controlling units are omitted, the square self-guiding cylinder body is symmetrically arranged on the self-tilting real-time pre-tightening type crawler wheel carrier, the square self-guiding cylinder body and the hollow push rod body are connected through the flexible power connection pipeline, the square self-guiding sealing piston push rod is clamped and slidably arranged in the square self-guiding cylinder body, and the square self-guiding sealing piston push rod is in sliding sealing contact with the inner wall of the square self-guiding cylinder body, the square self-guiding sealing piston push rod is provided with a self-guiding push rod end hole, the top rolling shaft is clamped in the self-guiding push rod end hole, the end guiding rolling wheel is rotatably arranged on the top rolling shaft, and the end guiding rolling wheel plays a role in reducing resistance and abrasion.
Furthermore, the self-tilting real-time pre-tightening type crawler wheel carrier comprises a crawler wheel main body fork frame and a one-way tensioning wheel assembly, the crawler wheel main body fork frame array is arranged on a transport vehicle advancing driving device, and the one-way tensioning wheel assembly is arranged on the crawler wheel main body fork frame.
Preferably, the main fork body of the crawler wheel comprises a main fork body, a main fork bearing and a cantilever fork, the main fork body is arranged on the driving device for the transport vehicle to advance in an array manner, the push rod rotating base station is symmetrically arranged on the side surface of the main fork body, the main fork body is provided with a main fork round hole, the main fork bearing is clamped in the main fork round hole, the main fork body is provided with a main fork lower swing arm, the square self-guiding cylinder body is symmetrically arranged on the main fork lower swing arm, the square self-guiding cylinder body is fixedly connected with the main fork lower swing arm, the main fork body is symmetrically provided with a lower swing arm round hole on the main fork lower swing arm, the cantilever fork is provided with a cantilever fork hinge hole, the cantilever fork hinge hole and the lower swing arm round hole are coaxially arranged, the advancing mode of the vehicle is changed by the rotation of the cantilever fork, one end of the cantilever fork is provided with a cantilever fork end hole, the other end of the cantilever type fork frame is provided with a cantilever fork frame transverse plate, and the movable rotating base is arranged on the cantilever fork frame transverse plate.
As a further preferred aspect of the present invention, the one-way tensioning wheel assembly includes a tensioning wheel base, a tensioning wheel telescopic rod, a tensioning wheel pre-tightening spring, a tensioning wheel shaft and a tensioning wheel body, the tensioning wheel base is disposed on the lower swing arm of the main fork frame, the tensioning wheel base is fixedly connected to the lower swing arm of the main fork frame, the tensioning wheel telescopic rod is slidably engaged in the tensioning wheel base, one end of the tensioning wheel pre-tightening spring is disposed at the bottom of the inner cavity of the tensioning wheel base, the other end of the tensioning wheel pre-tightening spring is disposed on the tensioning wheel telescopic rod, the tensioning wheel shaft is engaged in the end of the tensioning wheel telescopic rod, and the tensioning wheel body is rotatably disposed on the tensioning wheel shaft.
The combined crawler wheel comprises a main driving wheel, a fixed driven wheel shaft, a fixed driven wheel, a cantilever driven wheel shaft, a cantilever-type driven wheel and a deformable advancing crawler belt, wherein the main driving wheel is arranged on an advancing driving device of the transport vehicle, the main driving wheel and a main fork frame circular hole are coaxially arranged, the fixed driven wheel shaft is clamped on a lower swing arm circular hole, the fixed driven wheel is rotatably arranged on the fixed driven wheel shaft, the cantilever driven wheel shaft is clamped in a cantilever fork frame end hole, the cantilever-type driven wheel is rotatably arranged on the cantilever driven wheel shaft, the deformable advancing crawler belt is in rolling contact with the main driving wheel, the deformable advancing crawler belt is in rolling contact with the fixed driven wheel, and the deformable advancing crawler belt is in rolling contact with the cantilever-type driven wheel.
Further, the driving device for the transport vehicle to advance comprises a vehicle body main body, an advancing main shaft, a driven sprocket, a driving motor, a driving sprocket and a transmission chain, wherein the main fork frame main body is arranged at the bottom of the vehicle body main body in an array mode, the advancing main shaft is clamped in a main fork frame bearing, the main driving wheel is clamped on the advancing main shaft, the driven sprocket is clamped on the advancing main shaft, the driving motor is arranged at the bottom of the vehicle body main body, the driving sprocket is clamped on an output shaft of the driving motor, the transmission chain is in meshed connection with the driving sprocket, and the transmission chain is in meshed connection with the driven sprocket.
The scheme also discloses a use method of the agricultural irrigation transport vehicle with strong obstacle crossing capability, which comprises the following steps:
the method comprises the following steps: when the vehicle passes through the raised ridge, the end part guide roller firstly contacts the side wall of the ridge, drives the square self-guide sealing piston push rod to compress towards the square self-guide cylinder body under the pushing of the driving force and inertia of the vehicle, and presses liquid in the square self-guide cylinder body into the hollow push rod body through the flexible power connecting pipeline, so that the circular piston push rod is pushed to overcome the tension of the push rod reset tension spring to stretch out;
step two: during the process that the round piston push rod extends out, the cantilever type fork frame rotates around the hinge hole of the cantilever type fork frame, so that the cantilever type driven wheel tilts;
step three: the deformable advancing crawler with the end part in the tilting state can climb up the ridge more easily until the deformable advancing crawler and the end part guide roller contact the ridge simultaneously;
step four: after the movable crawler belt crosses a ridge, the round piston push rod rebounds under the action of the pulling force of the push rod reset tension spring to drive the square self-guiding sealing piston push rod to restore to the initial position, and at the moment, the cantilever type driven wheel and the fixed driven wheel are located at the same height again, so that sufficient contact area and friction force are kept between the deformable advancing crawler belt and the ground.
The invention with the structure has the following beneficial effects: the scheme provides an agricultural irrigation transport vehicle with strong obstacle crossing capability and a use method thereof, wherein the agricultural irrigation transport vehicle can be deformed in a self-adaptive manner when passing through a raised ridge through a mechanical unpowered trigger device under the condition that no special driving module, control module and sensor are arranged; in order to solve the technical contradiction that the track of the common small-sized track type agricultural spray irrigation transport vehicle is not in contact with the ground (the contact area with the ground is increased, the ground holding force is improved, the skid is prevented), but is not in contact with the ground (the end part of the track needs to be tilted for guiding, and the track is prevented from being clamped at a ridge when the obstacle is crossed), the invention fully utilizes the self-service principle and the dynamic principle, creatively provides a cantilever type self-adaptive triggering guide wheel upwarping device and a self-tilting type real-time pre-tightening track wheel carrier under the condition of limited vehicle body length of the small-sized agricultural vehicle, can drive the cantilever type driven wheel to tilt through retraction of a square self-guiding sealing piston push rod when the end part guiding wheel is in contact with the raised ridge, and realizes the self-adaptive adjustment of the tilting height of the cantilever type driven wheel only by depending on an ingenious mechanical structure under the condition of no sensor or special driving and control modules, the deformable advancing track is enabled to show a state suitable for obstacle crossing in advance, the technical bias that deformation can be carried out in advance only by using a sensor for detection is overcome, and the problem that a short track is difficult to be simultaneously suitable for a flat muddy road section and a concave-convex road section is solved.
Drawings
FIG. 1 is a perspective view of an agricultural irrigation transportation vehicle with high obstacle crossing capability according to the present invention;
FIG. 2 is a front view of an agricultural irrigation transportation vehicle with high obstacle crossing capability according to the present invention;
FIG. 3 is a bottom view of an agricultural irrigation transportation cart with high obstacle crossing capability according to the present invention;
FIG. 4 is a cross-sectional view taken along section line A-A of FIG. 2;
fig. 5 is a schematic structural diagram of a cantilever type adaptive triggering type guide wheel upwarping device of an agricultural irrigation transport vehicle with strong obstacle crossing capability according to the present invention;
FIG. 6 is a schematic structural view of a self-tilting real-time pre-tightening type crawler wheel carrier of the agricultural irrigation transportation vehicle with strong obstacle crossing capability provided by the invention;
FIG. 7 is a schematic structural diagram of a combined crawler wheel of an agricultural irrigation transportation vehicle with high obstacle crossing capability according to the present invention;
FIG. 8 is a schematic structural diagram of a transporter traveling driving device of an agricultural irrigation transporter with high obstacle crossing capability according to the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 4 at I;
fig. 10 is a partial enlarged view of the point ii in fig. 1.
The device comprises a cantilever type self-adaptive trigger type guide wheel upwarping device, a self-tilting type real-time pre-tightening type crawler wheel frame, a combined crawler wheel, a transport vehicle advancing driving device, a self-rebounding type guide wheel upwarping push rod, a cantilever type unpowered driving device, a push rod rotating base table, 8, a hollow push rod body, 9, a circular piston push rod, 10, a movable rotating base table, 11, a push rod hinged pin shaft, 12, a push rod resetting tension spring, 13, a square self-guiding cylinder body, 14, a square self-guiding sealed piston push rod, 15, a flexible power connecting pipeline, 16, a top rolling shaft, 17, an end guiding roller, 18, a base table rotating shaft, 19, a cylinder end hinged ring, 20, a push rod end hinged ring, 21, a base center hole, 22, a self-guiding push rod end hole, 23, a crawler wheel main body fork frame, 24, a one-way tensioning wheel assembly, 25, Main yoke body, 26, main yoke bearing, 27, cantilever fork, 28, tension pulley base, 29, tension pulley telescopic rod, 30, tension pulley pre-tightening spring, 31, tension pulley shaft, 32, tension pulley body, 33, main yoke circular hole, 34, main yoke lower swing arm, 35, lower swing arm circular hole, 36, cantilever fork hinge hole, 37, cantilever fork end hole, 38, cantilever fork cross plate, 39, main driving wheel, 40, fixed driven wheel shaft, 41, fixed driven wheel, 42, cantilever driven wheel shaft, 43, cantilever driven wheel, 44, deformable advancing crawler belt, 45, vehicle body main body, 46, advancing main shaft, 47, driven sprocket, 48, driving motor, 49, driving sprocket, 50, transmission chain.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in figure 1, the agricultural irrigation transport vehicle with strong obstacle crossing capability comprises a cantilever type self-adaptive triggering type guide wheel upwarping device 1, a self-warping type real-time pre-tightening type crawler wheel carrier 2, a combined crawler wheel 3 and a transport vehicle advancing driving device 4, wherein the cantilever type self-adaptive triggering type guide wheel upwarping device 1 is symmetrically arranged on the self-warping type real-time pre-tightening type crawler wheel carrier 2, the cantilever type self-adaptive triggering type guide wheel upwarping device 1 has a self-triggering and upwarping function and can be used for pre-guiding when crossing a ridge, the self-warping type real-time pre-tightening type crawler wheel carriers 2 are arranged on the transport vehicle advancing driving device 4 in an array mode, and the self-warping type real-time pre-tightening type crawler wheel carrier 2 can change the shape under different road conditions, thereby adapt to the effect of obstacle crossing state and level road state of marcing, combination formula athey wheel 3 locates on the real-time pretension type track wheel carrier 2 of formula of sticking up.
As shown in fig. 1, 3, and 8, the transport vehicle travel drive device 4 includes a vehicle body 45, a travel main shaft 46, a driven sprocket 47, a drive motor 48, a drive sprocket 49, and a transmission chain 50, the driven sprocket 47 is engaged with the travel main shaft 46, the drive motor 48 is disposed at the bottom of the vehicle body 45, the drive sprocket 49 is engaged with an output shaft of the drive motor 48, the transmission chain 50 is engaged with the drive sprocket 49, and the transmission chain 50 is engaged with the driven sprocket 47.
As shown in fig. 1, 2, 4, 6 and 9, the self-tilting real-time pre-tightening track wheel carrier 2 includes a track wheel body fork 23 and a one-way tension wheel assembly 24, the track wheel body fork 23 is arranged on the transport vehicle traveling driving device 4 in an array, and the one-way tension wheel assembly 24 is arranged on the track wheel body fork 23; the crawler wheel main body fork frame 23 comprises a main fork frame body 25, a main fork frame bearing 26 and a cantilever type fork frame 27, the main fork frame body 25 is arranged at the bottom of a vehicle body main body 45 in an array mode, a main fork frame round hole 33 is formed in the main fork frame body 25, the main fork frame bearing 26 is clamped in the main fork frame round hole 33, a traveling main shaft 46 is clamped in the main fork frame bearing 26, a main fork frame lower swing arm 34 is arranged on the main fork frame body 25, lower swing arm round holes 35 are symmetrically formed in the main fork frame lower swing arm 34 of the main fork frame body 25, a cantilever type fork frame hinge hole 36 is formed in the cantilever type fork frame 27, the cantilever type fork frame hinge hole 36 and the lower swing arm round hole 35 are coaxially arranged, the traveling mode of a vehicle is changed through rotation of the cantilever type fork frame 27, a cantilever type fork frame end hole 37 is formed in one end of the cantilever type fork frame 27, and a cantilever type fork frame transverse plate 38 is formed in the other end of the cantilever type fork frame 27; the one-way tensioning wheel assembly 24 comprises a tensioning wheel base 28, a tensioning wheel telescopic rod 29, a tensioning wheel pre-tightening spring 30, a tensioning wheel shaft 31 and a tensioning wheel body 32, the tensioning wheel base 28 is arranged on a main fork frame lower swing arm 34, the tensioning wheel base 28 is fixedly connected with the main fork frame lower swing arm 34, the tensioning wheel telescopic rod 29 is clamped and slidably arranged in the tensioning wheel base 28, one end of the tensioning wheel pre-tightening spring 30 is arranged at the bottom of an inner cavity of the tensioning wheel base 28, the other end of the tensioning wheel pre-tightening spring 30 is arranged on the tensioning wheel telescopic rod 29, the tensioning wheel shaft 31 is clamped and arranged in the end portion of the tensioning wheel telescopic rod 29, and the tensioning wheel body 32 is rotatably arranged on the tensioning wheel shaft 31.
As shown in fig. 1 and 7, the combined track wheel 3 includes a main driving wheel 39, a fixed driven wheel shaft 40, a fixed driven wheel 41, a cantilevered driven wheel shaft 42, a cantilevered driven wheel 43, and a deformable traveling track 44, the main driving wheel 39 is engaged with a traveling main shaft 46, the main driving wheel 39 and the main fork circular hole 33 are coaxially disposed, the fixed driven wheel shaft 40 is engaged with a lower swing arm circular hole 35, the fixed driven wheel 41 is rotatably disposed on the fixed driven wheel shaft 40, the cantilevered driven wheel shaft 42 is engaged with the cantilevered fork end hole 37, the cantilevered driven wheel 43 is rotatably disposed on the cantilevered driven wheel shaft 42, the deformable traveling track 44 and the main driving wheel 39 are in rolling contact, the deformable traveling track 44 and the fixed driven wheel 41 are in rolling contact, and the deformable traveling track 44 and the cantilevered driven wheel 43 are in rolling contact.
As shown in fig. 1, 5 and 10, the cantilever type adaptive triggering guide wheel upwarping device 1 comprises a self-resilience guide wheel upwarping push rod 5 and a cantilever type unpowered driving device 6, the self-resilience guide wheel upwarping push rod 5 is arranged on a self-tilting real-time pre-tightening type crawler wheel frame 2, the combined crawler wheel 3 can be passively driven to deform through the self-resilience guide wheel upwarping push rod 5, the cantilever type unpowered driving device 6 is arranged on the self-tilting real-time pre-tightening type crawler wheel frame 2, and when a raised ridge is formed on a traveling route of a vehicle, the shape of the combined crawler wheel 3 can be changed in a triggering manner through the cantilever type unpowered driving device 6, so that the obstacle crossing capability is improved; the self-resilience guide wheel tilting push rod 5 comprises a push rod rotating base platform 7, a hollow push rod body 8, a circular piston push rod 9, a movable rotating base 10, a push rod hinge pin 11 and a push rod reset tension spring 12, wherein the push rod rotating base platform 7 is symmetrically arranged on the side surface of a main fork frame body 25, a base platform rotating shaft 18 is arranged on the push rod rotating base platform 7, a cylinder end part hinge ring 19 is arranged on the hollow push rod body 8, the hollow push rod body 8 is rotatably arranged on the base platform rotating shaft 18 through the cylinder end part hinge ring 19, the circular piston push rod 9 is clamped and slidably arranged in the hollow push rod body 8, the circular piston push rod 9 is in sliding sealing contact with the inner wall of the hollow push rod body 8, the combined type crawler wheel 3 can be driven to deform through the relative sliding of the circular piston push rod 9 and the hollow push rod body 8, the push rod end part hinge ring 20 is arranged on the circular piston push rod 9, and the movable rotating base 10 is arranged on a cantilever transverse plate 38, a base center hole 21 is formed in the movable rotating base 10, the push rod hinge pin shaft 11 is clamped in the base center hole 21, the round piston push rod 9 is rotatably arranged on the push rod hinge pin shaft 11 through a push rod end hinge ring 20, the push rod reset tension spring 12 is arranged on the round piston push rod 9, one end of the push rod reset tension spring 12 is fixedly connected with the push rod end hinge ring 20, the other end of the push rod reset tension spring 12 is fixedly connected with the hollow push rod body 8, and the push rod reset tension spring 12 has the function of increasing the rolling area when in a flat road form; the cantilever type unpowered driving device 6 comprises a square self-guiding cylinder body 13, a square self-guiding sealing piston push rod 14, a flexible power connecting pipeline 15, a top rolling shaft 16 and an end part guide roller 17, the cantilever type unpowered driving device 6 is compressed under the blocking of a raised ridge through the driving force of vehicle running and the inertia of the vehicle under the condition that the cantilever type unpowered driving device does not have any power unit, a large number of sensors, driving and control units are omitted, the square self-guiding cylinder body 13 is symmetrically arranged on a lower swing arm 34 of a main fork frame, the square self-guiding cylinder body 13 is fixedly connected with the lower swing arm 34 of the main fork frame, the square self-guiding cylinder body 13 is communicated with a hollow push rod body 8 through the flexible power connecting pipeline 15, the square self-guiding sealing piston push rod 14 is clamped and slidably arranged in the square self-guiding cylinder body 13, and the square self-guiding sealing piston push rod 14 is in sliding sealing contact with the inner wall of the square self-guiding cylinder body 13, the square self-guiding sealing piston push rod 14 is provided with a self-guiding push rod end hole 22, the top rolling shaft 16 is clamped in the self-guiding push rod end hole 22, the end part guide rolling wheel 17 is rotatably arranged on the top rolling shaft 16, and the end part guide rolling wheel 17 plays a role in reducing resistance and abrasion.
When the round piston push rod 9 runs through a raised ridge in a specific use, the end part guide roller 17 firstly contacts the side wall of the ridge, and is driven by vehicle driving force and inertia to compress the square self-guide sealing piston push rod 14 towards the square self-guide cylinder body 13, and liquid in the square self-guide cylinder body 13 is pressed into the hollow push rod body 8 through the flexible power connecting pipeline 15, so that the round piston push rod 9 is pushed to overcome the tensile force of the push rod reset tension spring 12 to stretch out; during the extension of the circular piston push rod 9, the cantilever fork 27 rotates around the cantilever fork hinge hole 36, so that the cantilever driven wheel 43 tilts up; the deformable traveling crawler 44 having the end portion already in the tilted state can more easily climb up the ridge until the deformable traveling crawler 44 and the end portion guide roller 17 simultaneously contact the ridge; after the round piston push rod 9 crosses a ridge, the round piston push rod rebounds under the action of the pulling force of the push rod resetting tension spring 12 to drive the square self-guiding sealing piston push rod 14 to restore to the initial position, at the moment, the cantilever type driven wheel 43 is at the same height with the fixed type driven wheel 41 again, and sufficient contact area and friction force are kept between the deformable advancing crawler belt 44 and the ground, so that the integral working process of the invention is realized, and the steps are repeated when the round piston push rod is used next time.
The actual operation process is simple and easy to implement, and only comprises the following steps: when the vehicle passes through a raised ridge, the end part guide roller 17 firstly contacts the side wall of the ridge and is pushed by the driving force and inertia of the vehicle to compress the square self-guide sealing piston push rod 14 towards the square self-guide cylinder body 13, so that the cantilever type driven wheel 43 tilts; when the deformable advancing crawler 44 and the end part guide roller 17 simultaneously contact the ridge, the deformable advancing crawler 44 with the end part in the tilting state can easily climb up the ridge; after the ridge is crossed, the round piston push rod 9 rebounds under the action of the tension of the push rod reset tension spring 12 to drive the square self-guiding sealing piston push rod 14 to return to the initial position.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. The utility model provides an agricultural irrigation transport vechicle that obstacle-surmounting ability is strong which characterized in that: the device comprises a cantilever type self-adaptive trigger type guide wheel upwarping device (1), a self-tilting real-time pre-tightening type crawler wheel carrier (2), a combined crawler wheel (3) and a transport vehicle advancing driving device (4), wherein the cantilever type self-adaptive trigger type guide wheel upwarping device (1) is symmetrically arranged on the self-tilting real-time pre-tightening type crawler wheel carrier (2), the self-tilting real-time pre-tightening type crawler wheel carrier (2) is arranged on the transport vehicle advancing driving device (4) in an array mode, and the combined crawler wheel (3) is arranged on the self-tilting real-time pre-tightening type crawler wheel carrier (2);
the cantilever type self-adaptive triggering guide wheel upwarping device (1) comprises a self-resilience type guide wheel upwarping push rod (5) and a cantilever type unpowered driving device (6), the self-resilience type guide wheel upwarping push rod (5) is arranged on the self-tilting type real-time pre-tightening type crawler wheel frame (2), and the cantilever type unpowered driving device (6) is arranged on the self-tilting type real-time pre-tightening type crawler wheel frame (2);
the self-resilience type guide wheel tilting push rod (5) comprises a push rod rotating base platform (7), a hollow push rod body (8), a circular piston push rod (9), a movable rotating base (10), a push rod hinge pin shaft (11) and a push rod reset tension spring (12), wherein the push rod rotating base platform (7) is arranged on the self-tilting type real-time pre-tightening type track wheel carrier (2), a base platform rotating shaft (18) is arranged on the push rod rotating base platform (7), a cylinder end portion hinge ring (19) is arranged on the hollow push rod body (8), the hollow push rod body (8) is rotatably arranged on the base platform rotating shaft (18) through the cylinder end portion hinge ring (19), the circular piston push rod (9) is clamped and slidably arranged in the hollow push rod body (8), the inner walls of the circular piston push rod (9) and the hollow push rod body (8) are in sliding sealing contact, and the push rod end portion hinge ring (20) is arranged on the circular piston push rod (9), the automatic pre-tightening device is characterized in that the movable rotating base (10) is arranged on the self-tilting real-time pre-tightening type crawler wheel frame (2), a base center hole (21) is formed in the movable rotating base (10), the push rod hinge pin shaft (11) is clamped in the base center hole (21), the circular piston push rod (9) is rotatably arranged on the push rod hinge pin shaft (11) through a push rod end hinge ring (20), the push rod reset tension spring (12) is arranged on the circular piston push rod (9), one end of the push rod reset tension spring (12) is fixedly connected with the push rod end hinge ring (20), and the other end of the push rod reset tension spring (12) is fixedly connected with the hollow push rod body (8);
the cantilever type unpowered driving device (6) comprises a square self-guiding cylinder body (13), a square self-guiding sealing piston push rod (14), a flexible power connecting pipeline (15), a top rolling shaft (16) and end guide rolling wheels (17), wherein the square self-guiding cylinder body (13) is symmetrically arranged on a self-tilting real-time pre-tightening type crawler wheel carrier (2), the square self-guiding cylinder body (13) and a hollow push rod body (8) are in through connection through the flexible power connecting pipeline (15), the square self-guiding sealing piston push rod (14) is clamped and slidably arranged in the square self-guiding cylinder body (13), the square self-guiding sealing piston push rod (14) is in sliding sealing contact with the inner wall of the square self-guiding cylinder body (13), a self-guiding push rod end hole (22) is arranged on the square self-guiding sealing piston push rod (14), and the top rolling shaft (16) is clamped and arranged in the self-guiding push rod end hole (22), the end part guide roller (17) is rotatably arranged on the top rolling shaft (16);
the self-tilting real-time pre-tightening type crawler wheel carrier (2) comprises a crawler wheel main body fork frame (23) and a one-way tensioning wheel assembly (24), the crawler wheel main body fork frame (23) is arranged on the transport vehicle advancing driving device (4) in an array mode, and the one-way tensioning wheel assembly (24) is arranged on the crawler wheel main body fork frame (23);
the crawler wheel main body fork frame (23) comprises a main fork frame body (25), main fork frame bearings (26) and cantilever type fork frames (27), the main fork frame bodies (25) are arranged on a transport vehicle advancing driving device (4) in an array mode, the push rod rotating base station (7) is symmetrically arranged on the side face of the main fork frame body (25), main fork frame round holes (33) are formed in the main fork frame body (25), the main fork frame bearings (26) are clamped in the main fork frame round holes (33), main fork frame lower swing arms (34) are arranged on the main fork frame body (25), square self-guiding cylinder bodies (13) are symmetrically arranged on the main fork frame lower swing arms (34), the square self-guiding cylinder bodies (13) are fixedly connected with the main fork frame lower swing arms (34), lower swing arm round holes (35) are symmetrically arranged on the main fork frame lower swing arms (34) of the main fork frame body (25), cantilever type fork frame hinge holes (36) are formed in the cantilever type fork frames (27), the cantilever fork frame hinged hole (36) and the lower swing arm round hole (35) are coaxially arranged, one end of the cantilever fork frame (27) is provided with a cantilever fork frame end hole (37), the other end of the cantilever fork frame (27) is provided with a cantilever fork frame transverse plate (38), and the movable rotating base (10) is arranged on the cantilever fork frame transverse plate (38);
the combined crawler wheel (3) comprises a main driving wheel (39), a fixed driven wheel shaft (40), a fixed driven wheel (41), a cantilever driven wheel shaft (42), a cantilever driven wheel (43) and a deformable travelling crawler (44), wherein the main driving wheel (39) is arranged on a transport vehicle travelling driving device (4), the main driving wheel (39) and a main fork frame round hole (33) are coaxially arranged, the fixed driven wheel shaft (40) is clamped on a lower swing arm round hole (35), the fixed driven wheel (41) is rotatably arranged on the fixed driven wheel shaft (40), the cantilever driven wheel shaft (42) is clamped in a cantilever fork frame end hole (37), the cantilever driven wheel (43) is rotatably arranged on the cantilever driven wheel shaft (42), the deformable travelling crawler (44) is in rolling contact with the main driving wheel (39), and the deformable travelling crawler (44) is in rolling contact with the fixed driven wheel (41), the deformable crawler track (44) is in rolling contact with a cantilevered follower (43).
2. An agricultural irrigation transportation vehicle with high obstacle crossing capability as claimed in claim 1, wherein: one-way tensioning wheel subassembly (24) are including tensioning wheel base (28), tensioning wheel telescopic link (29), tensioning wheel pretension spring (30), tensioning wheel shaft (31) and tensioning wheel body (32), main fork frame swing arm (34) down is located in tensioning wheel base (28), tensioning wheel base (28) and main fork frame swing arm (34) rigid coupling down, tensioning wheel telescopic link (29) block is slided and is located in tensioning wheel base (28), the inner chamber bottom of tensioning wheel base (28) is located to the one end of tensioning wheel pretension spring (30), the other end of tensioning wheel pretension spring (30) is located on tensioning wheel telescopic link (29), tensioning wheel shaft (31) block is located in the tip of tensioning wheel telescopic link (29), tensioning wheel body (32) rotate and are located on tensioning wheel shaft (31).
3. An agricultural irrigation transportation vehicle with high obstacle crossing capability as claimed in claim 2, wherein: the transporter traveling driving device (4) comprises a vehicle body main body (45), a traveling main shaft (46), a driven sprocket (47), a driving motor (48), a driving sprocket (49) and a transmission chain (50), wherein the main fork body (25) is arranged at the bottom of the vehicle body main body (45) in an array mode, the traveling main shaft (46) is clamped in a main fork bearing (26), a main driving wheel (39) is clamped on the traveling main shaft (46), the driven sprocket (47) is clamped on the traveling main shaft (46), the driving motor (48) is arranged at the bottom of the vehicle body main body (45), the driving sprocket (49) is clamped on an output shaft of the driving motor (48), the transmission chain (50) is in meshed connection with the driving sprocket (49), and the transmission chain (50) is in meshed connection with the driven sprocket (47).
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| CN202210413312.XA CN114514872B (en) | 2022-04-20 | 2022-04-20 | Agricultural irrigation transport vehicle with strong obstacle crossing capability and use method thereof |
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| CN202210413312.XA CN114514872B (en) | 2022-04-20 | 2022-04-20 | Agricultural irrigation transport vehicle with strong obstacle crossing capability and use method thereof |
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| CN114514872A (en) | 2022-05-20 |
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