CN110583437A - Truss type spray head vehicle capable of being automatically unfolded or folded - Google Patents
Truss type spray head vehicle capable of being automatically unfolded or folded Download PDFInfo
- Publication number
- CN110583437A CN110583437A CN201911003976.3A CN201911003976A CN110583437A CN 110583437 A CN110583437 A CN 110583437A CN 201911003976 A CN201911003976 A CN 201911003976A CN 110583437 A CN110583437 A CN 110583437A
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- Prior art keywords
- truss
- folding
- pipe
- section
- swing
- Prior art date
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- 239000007921 spray Substances 0.000 title claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 177
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000003973 irrigation Methods 0.000 claims description 35
- 230000002262 irrigation Effects 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000003621 irrigation water Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 6
- 230000007704 transition Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Tents Or Canopies (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a truss type sprayer vehicle capable of automatically unfolding or folding, wherein a left truss and a right truss respectively comprise a swing truss base section, a folding truss section and a connecting pipe, the inner side end of the swing truss base section is hinged and installed on a middle truss, the inner side end of the folding truss section is hinged and installed on the outer side end of the swing truss base section, one end of the connecting pipe is hinged and connected to a main supporting underframe, the other end of the connecting pipe is hinged and connected to a folding section lower water pipe, and the whole section of the base section lower water pipe, the partial section of the folding section lower water pipe, the whole section of the connecting pipe, the hinged joint of the connecting pipe and a virtual connecting rod between the hinged joint of the base section lower water pipe enclose a four-bar mechanism. The truss type reel sprinkling machine can reduce the overall weight of the truss on the premise of ensuring the overall strength of the truss, further realize the reduction of power consumption, and simultaneously realize the quick unfolding and storage of the truss, further realize the quick transition operation of the truss type reel sprinkling machine, and is particularly suitable for small truss type reel sprinkling machines.
Description
Technical Field
The invention relates to a sprinkler vehicle, in particular to a truss type sprinkler vehicle capable of automatically expanding or folding, and belongs to the technical field of sprinkler irrigation equipment.
Background
The spray irrigation is an irrigation method that the pressure water is sprayed into the air by using special equipment such as a spray nozzle and the like to form water drops which fall on the ground spray irrigation surface and the crop surface.
The reel formula sprinkling irrigation machine is the more common one in the formula sprinkling irrigation machine of row, will pull the PE pipe winding on the capstan winch, utilize the gearbox to drive the capstan winch rotatory to pull the irrigation machinery of shower nozzle car automatically move and spraying, the reel formula sprinkling irrigation machine can irrigate the farmland of large tracts of land, also can be according to the size of shower nozzle control water spray, in order to satisfy the different requirements of user to the sprinkling irrigation water yield, is the sprinkling irrigation equipment that farmland water-saving irrigation chooseed for use usually. The reel type sprinkling machine generally mainly comprises an underframe, a reel, a PE pipe, a gearbox and a sprayer vehicle, wherein the gearbox is driven to decelerate to drive a chain to generate a large torque force to drive the winch to rotate so as to realize the automatic recovery of the PE pipe, meanwhile, high-pressure water flows through the PE pipe and is directly conveyed to the sprayer of the sprayer vehicle, the sprayer uniformly sprays high-pressure water flow to the upper part of crops, the high-pressure water flow is scattered into fine water drops to uniformly fall, and the spraying operation is carried out non-intermittently along with the movement of the PE pipe.
Truss-like reel sprinkling irrigation machine is installed the truss on the shower nozzle car, and replace the reel sprinkling irrigation machine that the spray gun accomplished the sprinkling irrigation operation through installing a plurality of shower nozzles on the truss, truss-like reel sprinkling irrigation machine can realize lower sprinkling irrigation height for traditional spray gun formula reel sprinkling irrigation machine, press close to the crop and spray irrigation, and truss-like reel sprinkling irrigation machine during operation sprinkling irrigation water pressure is lower relatively, energy resource consumption is less relatively, it is less to the striking intensity of crops and soil to spout simultaneously watering, in addition, the sprinkling water of a plurality of shower nozzles drips little, the moisture distribution degree of consistency is high relatively, it is little to receive the wind-force influence, consequently to wheat, soybean, the sprinkling irrigation of low field crops such as vegetables has better suitability.
However, the total length of the truss of the existing small truss type reel sprinkler is usually 10-20 m, in order to ensure the overall strength of a longer truss, a framework structure which is drawn by steel wires and has a triangular or rectangular longitudinal section is often adopted, but the overall weight of the framework structure is larger, and the truss of the framework structure is usually supported and fixed on a sprinkler car through a large-volume and large-weight bracket; in addition, for the convenience of transportation, the truss of the steel wire traction frame structure of the existing truss type reel sprinkler is mostly a multi-section dismounting structure, however, the truss and the sprinkler irrigation pipeline of the dismounting steel wire traction frame structure are not only high in labor intensity, but also low in dismounting efficiency, and the quick transition operation of the truss type reel sprinkler cannot be realized.
Disclosure of Invention
In order to solve the problems, the invention provides the truss type sprinkler car capable of automatically unfolding or folding, which can reduce the overall weight of the truss on the premise of ensuring the overall strength of the truss, further reduce the power consumption, simultaneously realize the quick unfolding and storage of the truss and further realize the quick transition operation of the truss type reel sprinkler, and is particularly suitable for small truss type reel sprinklers.
In order to achieve the purpose, the truss type spray head vehicle capable of automatically unfolding or folding comprises a main supporting underframe, a swinging truss and an unfolding and folding control device.
The bottom of the main supporting underframe is provided with supporting wheels which are arranged symmetrically left and right and are installed through supporting wheel frames.
The swing truss comprises a left truss, a middle truss and a right truss, the middle truss of the rectangular frame structure is vertically and fixedly installed on the main supporting underframe, the middle truss is provided with a main sprinkling irrigation water input pipeline, the left end and the right end of the bottom of the middle truss are respectively provided with a diversion port which is communicated and connected with the main sprinkling irrigation water input pipeline and is right opposite to the left side and the right side, and the vertically arranged left truss and the vertically arranged right truss are symmetrically arranged on the left side and the right side of the middle truss; the left truss and the right truss respectively comprise a swing truss base section, a folding truss section and a connecting pipe;
the swing truss base section comprises a base section upper supporting pipe, a base section lower water conveying pipe and a base section inter-pipe supporting pipe; the base section lower water pipe is horizontally arranged, and the bottom of the base section lower water pipe is also provided with a plurality of spray irrigation nozzles communicated with the inner cavity of the base section lower water pipe along the length direction; the foundation section inter-pipe supporting pipe is fixedly arranged between the foundation section upper supporting pipe and the foundation section lower water conveying pipe, and the foundation section upper supporting pipe, the foundation section lower water conveying pipe and the foundation section inter-pipe supporting pipe jointly enclose a frame structure; the inner side ends of the upper base section supporting pipe and the lower base section water conveying pipe are respectively hinged on the middle truss through a vertically arranged hinge pin I and a hinge mounting sleeve I, the inner side end of the lower base section water conveying pipe is arranged right opposite to the diversion port, and the inner side end of the lower base section water conveying pipe and/or the diversion port are/is provided with an end face sealing structure capable of being matched in a pressing mode;
the folding truss section comprises a folding section upper supporting pipe, a folding section lower water conveying pipe and a folding section pipe supporting pipe; the lower folding section water delivery pipe is horizontally arranged, and the bottom of the lower folding section water delivery pipe is also provided with a plurality of spray irrigation nozzles communicated with the inner cavity of the lower folding section water delivery pipe along the length direction; the folding section inter-pipe supporting pipe is fixedly arranged between the folding section upper supporting pipe and the folding section lower water conveying pipe, and the folding section upper supporting pipe, the folding section lower water conveying pipe and the folding section inter-pipe supporting pipe jointly enclose a frame structure; the inner side ends of the upper support pipe of the folding joint and the lower water delivery pipe of the folding joint are respectively hinged and installed on the outer side end of the base section of the swing truss through a vertically arranged hinge pin II and a hinge installation sleeve II, the inner side end of the lower water delivery pipe of the folding joint is arranged right opposite to the outer side end of the lower water delivery pipe of the base section, the inner side end of the lower water delivery pipe of the folding joint and/or the outer side end of the lower water delivery pipe of the base section are/is provided with an end face sealing structure which can be matched in a compression joint manner, the hinged position of the upper support pipe of the folding joint and the outer side end of the base section of the swing truss and/or the hinged position of the lower water delivery pipe of the folding joint and the outer side end of the base section of the swing truss are/, the inner side end of the lower folding section water pipe is in compression joint and sealing fit with the outer side end of the lower base section water pipe, and the folding truss section swing angle limiting mechanism can limit the folding truss section to be continuously turned backwards;
one end of a connecting pipe which is horizontally arranged is hinged to the main supporting underframe, the hinged position of the connecting pipe and the main supporting underframe is located in front of the middle truss, the other end of the connecting pipe is hinged to the lower water pipe of the folding joint, and the whole section of the lower water pipe of the base joint, the partial section of the lower water pipe of the folding joint, the whole section of the connecting pipe, the hinged point of the connecting pipe and the hinged point of the lower water pipe of the base joint form a four-link mechanism together.
The unfolding and folding control device is arranged at the hinged position of the base section of the swing truss and the middle truss and/or the hinged position of the base section of the folding truss and the swing truss, the unfolding and folding control device comprises a self-locking structure, the unfolding and folding control device can control the base section of the swing truss to swing or lock relative to the middle truss along the hinged center of the base section of the swing truss, or the unfolding and folding control device can control the base section of the folding truss to swing or lock relative to the base section of the swing truss along the hinged center of the base section of the folding truss, or the two unfolding and folding control devices can simultaneously control the base section of the swing truss and the base section of the folding truss to swing or lock.
As a further improvement scheme of the invention, the hinged installation position of the water pipe under the base section and the middle truss is arranged at the butt joint position of the inner side end of the water pipe under the base section and the shunting port, and the end face sealing structure of the water pipe under the base section is fixedly connected with the hinged installation sleeve I; the hinged installation position of the lower folding section water delivery pipe and the lower base section water delivery pipe is arranged at the butt joint position of the inner side end of the lower folding section water delivery pipe and the outer side end of the lower base section water delivery pipe, and the end face sealing structure of the lower folding section water delivery pipe is fixedly connected with the hinged installation sleeve II.
As a further improvement scheme of the invention, the inner side end of the lower water delivery pipe of the base section and the inner side end of the lower water delivery pipe of the folding section are both vertical plate structures with L-shaped longitudinal sections, an end face sealing structure is arranged on the long side face of each L-shaped vertical plate structure, the short side face of each L-shaped vertical plate structure of the lower water delivery pipe of the base section is fixedly connected with the hinge mounting sleeve I, and the short side face of each L-shaped vertical plate structure of the lower water delivery pipe of the folding section is fixedly connected with the hinge mounting sleeve II.
As an embodiment of the unfolding and folding control device according to the present invention, the unfolding and folding control device is a swing telescopic rod control structure, and the unfolding and folding control device includes a swing telescopic control component, one end of the swing telescopic control component is hinged to the main support chassis, and the other end of the swing telescopic control component is hinged to the swing truss base, or one end of the swing telescopic control component is hinged to the swing truss base, and the other end of the swing telescopic control component is hinged to the folding truss base, or both ends of one swing telescopic control component are respectively hinged to the main support chassis and the swing truss base, and both ends of the other swing telescopic control component are respectively hinged to the swing truss base and the folding truss base.
As an implementation mode of the swing telescopic control component, the swing telescopic control component is a swing control hydraulic cylinder, a hydraulic pump station is arranged on the main support chassis, and the swing control hydraulic cylinder is connected with the hydraulic pump station through a hydraulic pipeline and a control valve group; the self-locking structure is a pressure maintaining control valve in the control valve group.
As another embodiment of the swing telescopic control part of the present invention, the swing telescopic control part is a swing control electric cylinder, an electric control mechanism including a power supply and a controller is arranged on the main support chassis, and the swing control electric cylinder is electrically connected with the controller; the self-locking structure is a trapezoidal thread of a lead screw nut which is arranged in the swing control electric cylinder in a matching mode, or the self-locking structure is a brake shoe structure arranged on a driving motor of the swing control electric cylinder.
As another embodiment of the unfolding and folding control device, the unfolding and folding control device is a rotary control structure, the unfolding and folding control device comprises a rotary control part, and the power output end of the rotary control part is in transmission connection with a hinge pin I or a hinge pin II, or the power output ends of the two rotary control parts are in transmission connection with the hinge pin I and the hinge pin II respectively.
As an implementation mode of the rotary control part, the rotary control part is a swing control hydraulic motor, a hydraulic pump station is arranged on the main support chassis, and the swing control hydraulic motor is connected with the hydraulic pump station through a hydraulic pipeline and a control valve group; the self-locking structure is a pressure maintaining control valve in the control valve group.
As another embodiment of the rotation control part of the present invention, the rotation control part is a swing control motor, an electric control mechanism including a power supply and a controller is provided on the main support chassis, and the swing control motor is electrically connected to the controller; the self-locking structure is a brake shoe structure arranged on the swing control motor, or the self-locking structure is a brake shoe structure arranged on the transmission gearbox.
As a further improvement scheme of the invention, the support tube on the base section and the support tube on the folding section are both of an inclined arrangement structure with a high inner side end position and a low outer side end position.
Compared with the prior art, the swing truss of the truss type sprayer vehicle capable of automatically unfolding or folding comprises a swing truss base section, a folding truss section and a connecting pipe, wherein the inner side end of the swing truss base section is hinged and installed on the middle truss, the inner side end of the folding truss section is hinged and installed on the outer side end of the swing truss base section, one end of the connecting pipe is hinged and connected to the main supporting underframe, the hinged position of the connecting pipe and the main supporting underframe is positioned in front of the middle truss, the other end of the connecting pipe is hinged and connected to the lower water pipe of the folding truss, the whole section of the lower water pipe of the base section, the partial section of the lower water pipe of the folding truss, the whole section of the connecting pipe, the hinged position of the hinging pipe and the connecting pipe and a virtual connecting rod between the hinged joint of the lower water pipe of the base section enclose a four-bar mechanism together, and an unfolding and folding control device is further arranged at the hinged position of the swing truss base section and the middle truss and/or the hinged position of, therefore, when the unfolding operation is carried out, the operator operates the unfolding and folding control device in the positive direction, the left truss and the right truss rotate along the hinging shafts to turn over forwards, meanwhile, the folding truss section is turned backwards along the hinged shaft of the folding truss section under the pushing action of the connecting pipe, after the folding truss section is completely unfolded, the axes of the diversion port, the water delivery pipe under the base section and the water delivery pipe under the folding section are arranged in a collinear way, the inner side end of the lower water delivery pipe of the base section and the diversion port are stably pressed and sealed through the end face sealing structure, the inner side end of the lower water delivery pipe of the folding section and the outer side end of the lower water delivery pipe of the base section are stably pressed and sealed through the end face sealing structure, at the moment, the four-bar mechanism is deformed into a triangular structure, the self-locking effect of the unfolding and folding control device can prevent the four-bar mechanism from being turned over due to external force, and the diversion port, the lower water delivery pipe of the base section and the lower water delivery pipe of the folding section form a through water spraying and filling circulation channel; the left truss, the middle truss and the right truss of the frame structure can reduce the whole weight of the trusses and further reduce power consumption on the premise of guaranteeing the overall strength of the trusses, and the truss type reel sprinkler can be rapidly unfolded and stored and further rapidly switched by the aid of the four-bar linkage mechanism and the unfolding folding control device, so that the truss type reel sprinkler is particularly suitable for small truss type reel sprinklers.
Drawings
FIG. 1 is a schematic structural view of the present invention in a fully deployed state;
FIG. 2 is an enlarged view of a portion of FIG. 1 from the direction P;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged partial view of the Q-direction of FIG. 3;
FIG. 5 is a schematic illustration of the structure of the present invention during folding;
FIG. 6 is an enlarged view of a portion of FIG. 5 taken in the direction of M;
FIG. 7 is an enlarged view of a portion of FIG. 5 in the direction of N;
fig. 8 is a schematic view of the present invention in a fully folded state.
In the figure: 1. the device comprises a main supporting underframe, 11, a supporting wheel frame, 12, a supporting wheel, 2, a swinging truss base section, 21, a supporting pipe on the base section, 22, a water pipe under the base section, 23, a supporting pipe between the base section and the pipe, 3, a folding truss section, 31, a supporting pipe on the folding section, 32, a water pipe under the folding section, 33, a supporting pipe between the folding section and the pipe, 4, a connecting pipe, 5 and an unfolding and folding control device.
Detailed Description
The present invention will be further described with reference to the drawings (hereinafter, the drawing and pulling direction of the automatically expandable or collapsible truss-like shower head vehicle will be described as the front direction, the swinging and expanding direction of the folding truss section 3 will be described as the outer direction, and the swinging and collapsing direction of the folding truss section 3 will be described as the inner direction).
As shown in fig. 1 and 3, the automatically expandable or collapsible truss-type sprinkler vehicle includes a main support chassis 1, a swinging truss, and an expansion/collapse control device 5.
The bottom of the main supporting underframe 1 is provided with supporting wheels 12 which are arranged in bilateral symmetry and are installed through supporting wheel frames 11.
The swing truss comprises a left truss, a middle truss and a right truss, the middle truss of the rectangular frame structure is vertically and fixedly installed on the main supporting underframe 1, the middle truss is provided with a main sprinkling irrigation water input pipeline, the left end and the right end of the bottom of the middle truss are respectively provided with a diversion port which is communicated and connected with the main sprinkling irrigation water input pipeline and is right opposite to the left side and the right side, and the vertically arranged left truss and the vertically arranged right truss are symmetrically arranged on the left side and the right side of the middle truss; the left truss and the right truss respectively comprise a swing truss base section 2, a folding truss section 3 and a connecting pipe 4;
as shown in fig. 1 and 2, the base section 2 of the swing truss comprises a base section upper support pipe 21, a base section lower water conveying pipe 22 and a base section inter-pipe support pipe 23; the lower water delivery pipe 22 of the foundation section is horizontally arranged, and the bottom of the lower water delivery pipe 22 of the foundation section is also provided with a plurality of spray irrigation nozzles communicated with the inner cavity of the lower water delivery pipe 22 of the foundation section along the length direction; the support tube 23 between the base section tubes is fixedly arranged between the upper support tube 21 of the base section and the lower water delivery tube 22 of the base section, and the upper support tube 21 of the base section, the lower water delivery tube 22 of the base section and the support tube 23 between the base section tubes jointly form a frame structure; the inner ends of the upper base section supporting pipe 21 and the lower base section water conveying pipe 22 are respectively hinged and mounted on the middle truss through a hinge pin I and a hinge mounting sleeve I which are vertically arranged, the inner end of the lower base section water conveying pipe 22 is arranged right opposite to the diversion port, the inner end and/or the diversion port of the lower base section water conveying pipe 22 is provided with an end face sealing structure capable of being matched in a pressing mode, the hinged position of the upper base section supporting pipe 21 and the middle truss and/or the hinged position of the lower base section water conveying pipe 22 and the middle truss are further provided with a swinging truss base section swinging angle limiting mechanism, the swinging truss base section swinging angle limiting mechanism can be of a limiting plate structure or other angle limiting structures such as a limiting block structure matched and arranged on the hinge pin and the hinge mounting sleeve, when the swinging truss base section 2 is turned forwards along the hinge shaft of the swinging truss in a fully unfolded state, the inner end of the lower base section water conveying pipe 22 and the diversion port are, The swing angle limiting mechanism of the base section of the swing truss can limit the base section 2 of the swing truss to be continuously turned over forwards;
the folding truss section 3 comprises a folding section upper supporting pipe 31, a folding section lower water conveying pipe 32 and a folding section pipe supporting pipe 33; the lower folding section water delivery pipe 32 is horizontally arranged, and the bottom of the lower folding section water delivery pipe 32 is also provided with a plurality of spray irrigation nozzles communicated with the inner cavity of the lower folding section water delivery pipe 32 along the length direction; the folding section inter-pipe support pipe 33 is fixedly arranged between the folding section upper support pipe 31 and the folding section lower water delivery pipe 32, and the folding section upper support pipe 31, the folding section lower water delivery pipe 32 and the folding section inter-pipe support pipe 33 jointly enclose a frame structure; the inner ends of the upper folding-joint supporting pipe 31 and the lower folding-joint water conveying pipe 32 are respectively hinged and installed on the outer end of the swing truss base section 2 through a vertically arranged hinge pin II and a hinge installation sleeve II, the inner end of the lower folding-joint water conveying pipe 32 is arranged right opposite to the outer end of the lower base-joint water conveying pipe 22, the inner end of the lower folding-joint water conveying pipe 32 and/or the outer end of the lower base-joint water conveying pipe 22 are/is provided with end face sealing structures which can be matched in a pressing connection mode, the hinged position of the upper folding-joint supporting pipe 31 and the outer end of the swing truss base section 2 and/or the hinged position of the lower folding-joint water conveying pipe 32 and the outer end of the swing truss base section 2 are/is also provided with a swing angle limiting mechanism of the folding truss section, the swing angle limiting mechanism of the folding truss section can be a limiting plate structure and can also be other angle limiting structures such as a limiting, when the folding truss section 3 is folded backwards along the hinged shaft of the folding truss section and is in a fully unfolded state, the inner side end of the lower folding-section water conveying pipe 32 is in compression joint sealing fit with the outer side end of the lower base-section water conveying pipe 22, and the folding truss section swinging angle limiting mechanism can limit the folding truss section 3 to be continuously folded backwards;
as shown in fig. 3 and 4, one end of the horizontally arranged connecting pipe 4 is hinged to the main support chassis 1, the hinged position of the connecting pipe 4 and the main support chassis 1 is located in front of the middle truss, the other end of the connecting pipe 4 is hinged to the lower folding section water pipe 32, and the whole section of the lower base section water pipe 22, the partial section of the lower folding section water pipe 32, the whole section of the connecting pipe 4, the hinged point of the connecting pipe 4 and the hinged point of the lower base section water pipe 22 form a four-bar linkage together.
The unfolding and folding control device 5 is arranged at the hinged position of the swing truss base section 2 and the middle truss and/or the hinged position of the folding truss section 3 and the swing truss base section 2, the unfolding and folding control device 5 comprises a self-locking structure, the unfolding and folding control device 5 can control the swing truss base section 2 to swing or lock relative to the middle truss along the hinged center of the swing truss base section, or the unfolding and folding control device 5 can control the folding truss section 3 to swing or lock relative to the swing truss base section 2 along the hinged center of the folding truss section, or the two unfolding and folding control devices 5 can simultaneously control the swing truss base section 2 and the folding truss section 3 to swing or lock.
When the truss type spray head vehicle capable of automatically unfolding or folding is installed on a reel type spray irrigation machine for use, the spray irrigation water on the middle truss is input into a main pipeline and is connected with a PE pipe of the reel type spray irrigation machine.
When the reel type sprinkler is in a transition state, the truss type sprinkler capable of being automatically unfolded or folded is in a suspended state that the supporting wheels 12 are separated from the ground under the traction action of the sprinkler lifting mechanism of the reel type sprinkler and the PE pipe in a complete storage state, as shown in fig. 8, at the moment, the left truss and the right truss are in a back-turning storage wing-shaped state, the folding truss section 3 is in a forward-turning storage state under the traction action of the connecting pipe 4, and the completely stored left truss and right trusses are attached to the left side and the right side of a reel of the reel type sprinkler and do not influence the transition of the reel type sprinkler.
When the reel type sprinkler is dragged to a farmland ground head for sprinkling irrigation operation, the auxiliary frame is rotated to enable the auxiliary frame to drive the reel and the truss type sprinkler vehicle capable of automatically expanding or folding to be opposite to the farmland rear positioning auxiliary frame needing sprinkling irrigation through the slewing bearing, then the stretching and stretching front support is controlled to be stretched out and supported on the ground stably, then the sprinkler vehicle lifting mechanism is controlled to enable the truss type sprinkler vehicle capable of automatically expanding or folding to fall to the initial position of the ground, and the truss type sprinkler vehicle capable of automatically expanding or folding is dragged to the sprinkling irrigation position through traction equipment such as a tractor and the like, and an operator can expand the truss type sprinkler vehicle capable of automatically expanding or folding; the operator operates the unfolding and folding control device 5 in the forward direction, as shown in fig. 5 and 7, the left truss and the right truss are turned forwards along the hinge axis thereof, meanwhile, as shown in fig. 6, the folding truss section 3 is turned back by the pushing of the connecting pipe 4 along the hinge axis of the folding truss section 3, and after being completely unfolded, the axes of the diversion port, the base section lower water conveying pipe 22 and the folding section lower water conveying pipe 32 are arranged in a collinear way, the inner side end of the lower water delivery pipe 22 of the base section and the diversion port are stably pressed and sealed through an end face sealing structure, the inner side end of the lower water delivery pipe 32 of the folding section and the outer side end of the lower water delivery pipe 22 of the base section are stably pressed and sealed through an end face sealing structure, at the moment, the four-bar mechanism is deformed into a triangular structure, the self-locking effect of the unfolding and folding control device 5 can prevent the turnover phenomenon of the four-bar mechanism caused by external force, and the diversion port, the lower water delivery pipe 22 of the base section and the lower water delivery pipe 32 of the folding section form a through water spraying and filling circulation channel; after the water supply hydrant is opened, pressure water enters the sprinkling irrigation water on the middle truss through the PE pipe and is input into the main pipeline, sequentially enters the diversion port, the lower water pipe 22 of the base section and the lower water pipe 32 of the folding section, and is sprayed out from the sprinkling irrigation spray head to realize sprinkling irrigation; in the sprinkling irrigation process, the reel is rewound, the truss type spray head vehicle which can be automatically unfolded or folded is pulled by the PE pipe to move backwards until the truss type spray head vehicle which can be automatically unfolded or folded returns to the initial position, and then the sprinkling irrigation of the farmland is completed; during folding operation, an operator reversely operates the unfolding folding control device 5, as shown in fig. 5, the left truss and the right truss turn backwards along the rotation of the hinged shafts, meanwhile, the folding truss sections 3 turn forwards along the rotation of the hinged shafts of the folding truss sections 3 under the pulling action of the connecting pipes 4, and after the left truss and the right truss are attached to the initial states of the left side and the right side of the reel type sprinkler, the lifting mechanism of the sprinkler truck is sequentially controlled to be lowered so that the automatically unfolded or folded truss type sprinkler truck is lifted to be separated from the ground, the telescopic front support is controlled to be retracted, and the auxiliary frame is reset to rotate, so that the reel type sprinkler can be transferred.
In order to reduce the mechanism arrangement, as a further improvement scheme of the present invention, as shown in fig. 2, the hinged installation position of the lower base section water pipe 22 and the middle truss is arranged at the butt joint position of the inner side end of the lower base section water pipe 22 and the diversion port, and the end face sealing structure of the lower base section water pipe 22 is fixedly connected with the hinged installation sleeve i; the hinged installation positions of the lower folding section water conveying pipe 32 and the lower base section water conveying pipe 22 are arranged at the butt joint position of the inner side end of the lower folding section water conveying pipe 32 and the outer side end of the lower base section water conveying pipe 22, and the end face sealing structure of the lower folding section water conveying pipe 32 is fixedly connected with the hinged installation sleeve II. The hinged installation position of the water pipe 22 under the base section and the butt joint position of the water pipe 22 under the base section can be avoided being independently arranged, the hinged installation position of the water pipe 32 under the folding section and the butt joint position of the water pipe 32 under the folding section can be avoided being independently arranged, and the arrangement of mechanisms is reduced.
In order to ensure the sealing effect of the compression joint seal on the premise that the end face sealing structure of the lower basal section water conveying pipe 22 is fixedly connected with the hinged mounting sleeve I and the end face sealing structure of the lower folding section water conveying pipe 32 is fixedly connected with the hinged mounting sleeve II, as shown in fig. 6 and 7, the inner side end of the lower basal section water conveying pipe 22 and the inner side end of the lower folding section water conveying pipe 32 are both vertical plate structures with L-shaped longitudinal sections, the long side face of each L-shaped vertical plate structure is provided with the end face sealing structure, the short side face of the L-shaped vertical plate structure of the lower basal section water conveying pipe 22 is fixedly connected with the hinged mounting sleeve I, and the short side face of the L-shaped vertical plate structure of the lower folding section water conveying pipe 32 is fixedly connected with the hinged mounting sleeve II.
As an embodiment of the unfolding and folding control device 5 of the present invention, the unfolding and folding control device 5 is a swing telescopic rod control structure, the unfolding and folding control device 5 includes a swing telescopic control component, one end of the swing telescopic control component is hinged and installed with the main support chassis 1, and the other end is hinged and installed with the swing truss base section 2, or one end of the swing telescopic control component is hinged and installed with the swing truss base section 2, and the other end is hinged and installed with the folding truss section 3, or two ends of one swing telescopic control component are respectively hinged and installed on the main support chassis 1 and the swing truss base section 2, and two ends of the other swing telescopic control component are respectively hinged and installed on the swing truss base section 2 and the folding truss section 3. The swing telescopic control component can be a swing control hydraulic cylinder, a hydraulic pump station is arranged on the main support chassis 1, and the swing control hydraulic cylinder is connected with the hydraulic pump station through a hydraulic pipeline and a control valve group; the self-locking structure is a pressure maintaining control valve in the control valve group. The swing telescopic control component can also be a swing control electric cylinder, an electric control mechanism comprising a power supply and a controller is arranged on the main support underframe 1, and the swing control electric cylinder is electrically connected with the controller; the trapezoidal threads have a self-locking function, so that the self-locking structure can be trapezoidal threads of a lead screw nut which is arranged in the swing control electric cylinder in a matched manner; the self-locking structure may also be a shoe structure provided on a drive motor of the swing control electric cylinder.
As another embodiment of the unfolding and folding control device 5 of the present invention, as shown in fig. 2 and 4, the unfolding and folding control device 5 is a rotation control structure, and the unfolding and folding control device 5 includes a rotation control component, and a power output end of the rotation control component is in transmission connection with a hinge pin i or a hinge pin ii, or power output ends of two rotation control components are in transmission connection with a hinge pin i and a hinge pin ii respectively. The rotary control component can be a swing control hydraulic motor, a hydraulic pump station is arranged on the main support underframe 1, and the swing control hydraulic motor is connected with the hydraulic pump station through a hydraulic pipeline and a control valve group; the self-locking structure is a pressure maintaining control valve in the control valve group. The rotation control component can also be a swing control motor, an electric control mechanism comprising a power supply and a controller is arranged on the main support underframe 1, and the swing control motor is electrically connected with the controller; the self-locking structure can be a brake shoe structure arranged on the swing control motor, and can also be a brake shoe structure arranged on the transmission gearbox.
In order to reduce the overall weight of the left truss and the right truss and further reduce the power consumption, as a further improvement of the present invention, as shown in fig. 1, the support tube 21 on the base section and the support tube 31 on the folding section are both inclined structures with a high inner end and a low outer end, that is, the left truss and the right truss are in a triangular frame structure after being completely unfolded.
In order to adjust the distance between the supporting wheels 12 according to the specific ridge spacing, as a further improvement of the present invention, a wheel spacing adjusting mechanism is provided on the supporting wheel frame 11, and the wheel spacing adjusting mechanism may adopt a bidirectional telescopic hydraulic cylinder structure, or a bidirectional telescopic screw rod structure, or directly adopt other telescopic positioning structures such as a positioning pin and a positioning hole structure which are cooperatively arranged.
In order to adjust the sprinkling height according to the height of crops, as a further improvement scheme of the invention, the supporting wheel carrier 11 is provided with a height adjusting mechanism, and the height adjusting mechanism can adopt a hydraulic cylinder structure, an electric cylinder structure or other height adjusting and positioning structures such as a manual screw rod structure and the like.
The swing truss of the truss type sprayer vehicle capable of automatically unfolding or folding comprises a left truss and a right truss, wherein the left truss and the right truss respectively comprise a swing truss base section 2, a folding truss section 3 and a connecting pipe 4, the inner side end of the swing truss base section 2 is hinged and installed on a middle truss, the inner side end of the folding truss section 3 is hinged and installed on the outer side end of the swing truss base section 2, one end of the connecting pipe 4 is hinged and connected to a main support underframe 1, the hinged position of the connecting pipe 4 and the main support underframe 1 is positioned in front of the middle truss, the other end of the connecting pipe 4 is hinged and connected to a folding section lower water conveying pipe 32, the whole section of the base section lower water conveying pipe 22, the partial section of the folding section lower water conveying pipe 32, the whole section of the connecting pipe 4, a virtual connecting rod between the hinged position of the connecting pipe 4 and the hinged point of the base section lower water conveying pipe 22 enclose a four-bar mechanism, the hinged, And/or the hinged position of the folding truss section 3 and the swinging truss base section 2 is also provided with an unfolding and folding control device 5, therefore, when the unfolding operation is carried out, an operator operates the unfolding and folding control device 5 in the forward direction, the left truss and the right truss rotate along the hinged shaft thereof and turn over forwards, meanwhile, the folding truss section 3 rotates along the hinged shaft of the folding truss section 3 and turns over backwards under the pushing action of the connecting pipe 4, after the folding truss section is completely unfolded, the axes of the diversion port, the base section lower water pipe 22 and the folding section lower water pipe 32 are arranged in a collinear way, the inner side end of the base section lower water pipe 22 and the diversion port are stably pressed and sealed through an end face sealing structure, the inner side end of the folding section lower water pipe 32 and the outer side end of the base section lower water pipe 22 are stably pressed and sealed through an end face sealing structure, at the moment, the four-bar mechanism is deformed into a triangular structure, the self-locking action of the unfolding and folding control device 5 can, the diversion port, the lower water delivery pipe 22 of the base joint and the lower water delivery pipe 32 of the folding joint form a through spraying and irrigating water circulation channel; the left truss, the middle truss and the right truss of the frame structure can reduce the whole weight of the truss and further reduce power consumption on the premise of ensuring the overall strength of the truss, and the four-bar linkage mechanism and the unfolding folding control device 5 can realize quick unfolding and storage of the truss and further realize quick transition operation of the truss type reel sprinkler, so that the truss type reel sprinkler is particularly suitable for small truss type reel sprinklers.
Claims (10)
1. A truss type spray head vehicle capable of automatically unfolding or folding comprises a main supporting underframe (1) and a swing truss; the bottom of the main supporting underframe (1) is provided with supporting wheels (12) which are arranged in bilateral symmetry and are installed through supporting wheel frames (11); the swing truss comprises a left truss, a middle truss and a right truss, wherein the middle truss is provided with a main spraying and irrigating water input pipeline, and the left truss and the right truss are arranged on the left side and the right side of the middle truss in a bilateral symmetry manner; it is characterized in that the preparation method is characterized in that,
a middle truss of a rectangular frame structure is vertically and fixedly arranged on a main supporting underframe (1), the left end and the right end of the bottom of the middle truss are respectively provided with a diversion port which is communicated and connected with a main spray irrigation water input pipeline and is right opposite to the left side and the right side, and the vertically arranged left truss and right truss respectively comprise a swing truss base joint (2), a folding truss joint (3) and a connecting pipe (4);
the swing truss base section (2) comprises a base section upper supporting pipe (21), a base section lower water conveying pipe (22) and a base section inter-pipe supporting pipe (23); the lower basal joint water pipe (22) is horizontally arranged, and the bottom of the lower basal joint water pipe (22) is also provided with a plurality of spray irrigation nozzles communicated with the inner cavity of the lower basal joint water pipe (22) along the length direction; the support tube (23) between the base sections is fixedly arranged between the upper support tube (21) of the base section and the lower water delivery tube (22) of the base section, and the upper support tube (21) of the base section, the lower water delivery tube (22) of the base section and the support tube (23) between the base sections jointly enclose a frame structure; the inner side ends of the upper base section supporting pipe (21) and the lower base section water conveying pipe (22) are respectively hinged and installed on the middle truss through a hinge pin I and a hinge installation sleeve I which are vertically arranged, the inner side end of the lower base section water conveying pipe (22) is arranged right opposite to the shunt port, the inner side end and/or the shunt port of the lower base section water conveying pipe (22) is provided with an end face sealing structure which can be matched in a compression joint mode, the hinged position of the upper base section supporting pipe (21) and the middle truss and/or the hinged position of the lower base section water conveying pipe (22) and the middle truss are also provided with a swinging truss base section swinging angle limiting mechanism, when the swinging truss base section (2) is forwards turned over along a hinged shaft to be in a fully unfolded state, the inner side end of the water delivery pipe (22) under the base section is in compression joint and sealing fit with the shunt port, and the swing angle limiting mechanism of the swing truss base section can limit the swing truss base section (2) to be continuously turned forwards;
the folding truss section (3) comprises a folding section upper supporting pipe (31), a folding section lower water conveying pipe (32) and a folding section pipe supporting pipe (33); the lower folding section water delivery pipe (32) is horizontally arranged, and the bottom of the lower folding section water delivery pipe (32) is also provided with a plurality of spray irrigation nozzles communicated with the inner cavity of the lower folding section water delivery pipe (32) along the length direction; the folding section inter-pipe support pipe (33) is fixedly arranged between the folding section upper support pipe (31) and the folding section lower water conveying pipe (32), and the folding section upper support pipe (31), the folding section lower water conveying pipe (32) and the folding section inter-pipe support pipe (33) jointly enclose a frame structure; the inner side ends of the upper folding-joint support pipe (31) and the lower folding-joint water delivery pipe (32) are respectively hinged and installed on the outer side end of the base section (2) of the swing truss through a vertically arranged hinge pin II and a hinge installation sleeve II, the inner side end of the lower folding-joint water delivery pipe (32) is opposite to the outer side end of the lower base section water delivery pipe (22), the inner side end of the lower folding-joint water delivery pipe (32) and/or the outer side end of the lower base section water delivery pipe (22) are/is provided with end face sealing structures capable of being matched in a compression joint mode, the hinged position of the upper folding-joint support pipe (31) and the outer side end of the base section (2) of the swing truss and/or the hinged position of the lower folding-joint water delivery pipe (32) and the outer side end of the base section (2) of the swing truss are further provided with a folding truss section swing angle limiting mechanism, and when the folding-joint frame section (3) is folded backwards along a hinged and completely unfolded state, the inner side end of the lower folding-joint water, The folding truss section swing angle limiting mechanism can limit the folding truss section (3) to be continuously turned backwards;
one end of a connecting pipe (4) which is horizontally arranged is hinged to the main supporting underframe (1), the hinged position of the connecting pipe (4) and the main supporting underframe (1) is positioned in front of the middle truss, the other end of the connecting pipe (4) is hinged to the lower folding section water pipe (32), and the whole section of the lower base section water pipe (22), the partial section of the lower folding section water pipe (32), the whole section of the connecting pipe (4), a virtual connecting rod between the hinged point of the connecting pipe (4) and the hinged point of the lower base section water pipe (22) form a four-bar mechanism;
the truss type sprayer vehicle capable of automatically unfolding or folding further comprises an unfolding and folding control device (5), the unfolding and folding control device (5) is arranged at the hinged position of the swing truss base section (2) and the middle truss and/or the hinged position of the folding truss section (3) and the swing truss base section (2), the unfolding and folding control device (5) comprises a self-locking structure, the unfolding and folding control device (5) can control the swing truss base section (2) to swing or lock relative to the middle truss along the hinged center of the swing truss base section, or the unfolding and folding control device (5) can control the folding truss section (3) to swing or lock relative to the swing truss base section (2) along the hinged center of the swing truss base section, or the two unfolding and folding control devices (5) can simultaneously control the swing truss base section (2) and the folding truss section (3) to swing or lock.
2. The truss type sprayer vehicle capable of automatically unfolding or folding according to claim 1, wherein the hinged installation positions of the lower basal joint water pipe (22) and the middle truss are arranged at the butt joint position of the inner side end of the lower basal joint water pipe (22) and the diversion port, and the end face sealing structure of the lower basal joint water pipe (22) is fixedly connected with the hinged installation sleeve I; the hinged installation position of the lower folding section water pipe (32) and the lower base section water pipe (22) is arranged at the butt joint position of the inner side end of the lower folding section water pipe (32) and the outer side end of the lower base section water pipe (22), and the end face sealing structure of the lower folding section water pipe (32) is fixedly connected with the hinged installation sleeve II.
3. The truss type sprayer vehicle capable of automatically unfolding or folding according to claim 2, wherein the inner side end of the lower base section water conveying pipe (22) and the inner side end of the lower folding section water conveying pipe (32) are vertical plate structures with L-shaped longitudinal sections, an end face sealing structure is arranged on the long side face of each L-shaped vertical plate structure, the short side face of each L-shaped vertical plate structure of the lower base section water conveying pipe (22) is fixedly connected with the hinge mounting sleeve I, and the short side face of each L-shaped vertical plate structure of the lower folding section water conveying pipe (32) is fixedly connected with the hinge mounting sleeve II.
4. The automatically expandable or collapsible truss-type showerhead car according to claim 1 or 2 or 3, it is characterized in that the unfolding and folding control device (5) is a swing telescopic rod control structure, the unfolding and folding control device (5) comprises a swing telescopic control component, one end of the swing telescopic control component is hinged and installed with the main supporting underframe (1), the other end is hinged and installed with the swing truss base section (2), or one end of the swing telescopic control component is hinged and installed with the swing truss base section (2) and the other end is hinged and installed with the folding truss section (3), or two ends of one swing telescopic control component are respectively hinged on the main support underframe (1) and the swing truss base section (2), and two ends of the other swing telescopic control component are respectively hinged on the swing truss base section (2) and the folding truss section (3).
5. The truss type sprayer vehicle capable of automatically unfolding or folding according to claim 4, wherein the swing telescopic control component is a swing control hydraulic cylinder, a hydraulic pump station is arranged on the main support underframe (1), and the swing control hydraulic cylinder is connected with the hydraulic pump station through a hydraulic pipeline and a control valve group; the self-locking structure is a pressure maintaining control valve in the control valve group.
6. The truss type sprinkler vehicle capable of automatically unfolding or folding according to claim 4, wherein the swing telescopic control component is a swing control electric cylinder, an electric control mechanism comprising a power supply and a controller is arranged on the main support underframe (1), and the swing control electric cylinder is electrically connected with the controller; the self-locking structure is a trapezoidal thread of a lead screw nut which is arranged in the swing control electric cylinder in a matching mode, or the self-locking structure is a brake shoe structure arranged on a driving motor of the swing control electric cylinder.
7. The truss type sprayer vehicle capable of automatically unfolding or folding according to claim 1, 2 or 3, wherein the unfolding and folding control device (5) is a rotary control structure, the unfolding and folding control device (5) comprises a rotary control component, and a power output end of the rotary control component is in transmission connection with the hinge pin I or the hinge pin II, or power output ends of the two rotary control components are in transmission connection with the hinge pin I and the hinge pin II respectively.
8. The truss type sprayer vehicle capable of automatically unfolding or folding according to claim 7, wherein the rotary control component is a swing control hydraulic motor, a hydraulic pump station is arranged on the main support underframe (1), and the swing control hydraulic motor is connected with the hydraulic pump station through a hydraulic pipeline and a control valve group; the self-locking structure is a pressure maintaining control valve in the control valve group.
9. The truss-type sprayer vehicle capable of automatically unfolding or folding according to claim 7, wherein the rotation control component is a swing control motor, an electric control mechanism comprising a power supply and a controller is arranged on the main support chassis (1), and the swing control motor is electrically connected with the controller; the self-locking structure is a brake shoe structure arranged on the swing control motor, or the self-locking structure is a brake shoe structure arranged on the transmission gearbox.
10. The truss-type sprinkler vehicle capable of automatically unfolding or folding according to claim 1, 2 or 3, wherein the base upper support pipe (21) and the folding upper support pipe (31) are each an inclined structure having a high inner end and a low outer end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911003976.3A CN110583437B (en) | 2019-10-22 | 2019-10-22 | Truss type spray head vehicle capable of being automatically unfolded or folded |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911003976.3A CN110583437B (en) | 2019-10-22 | 2019-10-22 | Truss type spray head vehicle capable of being automatically unfolded or folded |
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| CN110583437A true CN110583437A (en) | 2019-12-20 |
| CN110583437B CN110583437B (en) | 2024-05-24 |
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| CN114658932A (en) * | 2022-03-18 | 2022-06-24 | 北京中瀚环球真空流体科技有限责任公司 | Hydraulic truss type moving mechanism with pipeline capable of being folded and unfolded quickly and adjustable in angle |
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