CN203461101U - Quick-changing structure for undercarriage and body of four-axle agricultural aircraft - Google Patents
Quick-changing structure for undercarriage and body of four-axle agricultural aircraft Download PDFInfo
- Publication number
- CN203461101U CN203461101U CN201320567876.5U CN201320567876U CN203461101U CN 203461101 U CN203461101 U CN 203461101U CN 201320567876 U CN201320567876 U CN 201320567876U CN 203461101 U CN203461101 U CN 203461101U
- Authority
- CN
- China
- Prior art keywords
- locating piece
- connecting rod
- lower locating
- dna
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Catching Or Destruction (AREA)
Abstract
The utility model discloses a quick-changing structure for an undercarriage and a body of a four-axle agricultural aircraft. A lateral pin (3) is arranged in an opening of an upper positioning block (1); a handle (6) is arranged below a lower positioning block (2); two lantern rings (7) on the end part of the handle (6) are eccentrically sleeved on a pin post (5); the middle part of the pin post (5) is fixed together with the lower end of a connecting rod (4); the connecting rod (4) is in screw-thread fit with the lateral pin (3); a pressure ring (8) is arranged between the lantern rings (7) and the lower positioning block (2) and is sleeved on the connecting rod (4); an anti-loosening ring (12) is arranged between the pressure ring (8) and the lower positioning block (2) and is sleeved on the connecting rod (4). According to the quick-changing structure, firm connection of the undercarriage and the body of the agricultural aircraft can be realized; moreover, a medicine chest can be replaced rapidly by disassembling and assembling the undercarriage conveniently, so that the operation efficiency of the aircraft is improved effectively.
Description
Technical field
The utility model belongs to agricultural vehicle technology field, specifically, and the particularly agricultural carry-on alighting gear of four axles and fuselage quick-change structure.
Background technology
Along with social development, the progress of science and technology, the work such as spray insecticide on a large scale in farmland, fertilising are progressively completed by unmanned vehicle.Existing agricultural unmanned vehicle complex structure, bulky, weight is heavier, seriously restricted it and applied on a large scale.In addition, existing agricultural aircraft is when operation, after medicine liquid spray in medicine-chest is complete, must be undertaken again by the filling exit arranging on medicine-chest filling after subjob again, whole pouring process is complex procedures not only, and lose time, greatly reduce like this operating efficiency of aircraft.
Utility model content
Technical problem to be solved in the utility model is to provide the agricultural aircraft landing gear of four axles and the fuselage quick-change structure of a kind of energy easy disassembly.
The technical solution of the utility model is as follows: the agricultural aircraft landing gear of a kind of four axle and fuselage quick-change structure, it is characterized in that: the middle part of upper locating piece (1) bottom surface is provided with positioning groove (1a), in the below of upper locating piece (1), lower locating piece (2) is set, the middle part of this lower locating piece (2) end face is provided with lower positioning groove (2a), the corresponding end of one end of described upper locating piece (1) and lower locating piece (2) is hinged, the other end at upper locating piece (1) and lower locating piece (2) is equipped with opening, and in the opening of described upper locating piece (1), be provided with lateral pin (3), in the below of described lower locating piece (2), be provided with a handle (6), one end of this handle (6) has two collars that are arranged side by side (7), two collars (7) are all sleeved on pin (5) prejudicially, the lower end of the middle part of described pin (5) and connecting rod (4) fixes, the upper end of connecting rod (4) is through opening and the lateral pin (3) of lower locating piece (2), screw thread fit between connecting rod (4) and lateral pin (3), between the described collar (7) and lower locating piece (2), be provided with pressure ring (8), this pressure ring (8) is sleeved on connecting rod (4), between described pressure ring (8) and lower locating piece (2), be provided with anti-DNA releaxed circular DNA (12), this anti-DNA releaxed circular DNA (12) is also sleeved on connecting rod (4).
Adopt above technical scheme, between two support tubes of alighting gear and fuselage by all around totally four structures described in the utility model link together: upper locating piece is secured by bolts in the bottom of fuselage, upper locating piece and lower locating piece are held the support tube of alighting gear tightly by the positioning groove up and down cooperatively interacting, and medicine-chest is fixed on alighting gear.
The utility model is to realize like this assembling: when initial, lower locating piece is connected with upper locating piece by pin jointed end, and the open end of lower locating piece naturally droops, first fuselage is positioned on alighting gear, making four of fuselage bottom upper locating pieces is that one group of upper positioning groove by separately straddles on corresponding alighting gear support tube between two, then rotate lower locating piece, the end face of lower locating piece is gone to the bottom surface of upper locating piece to be approached or laminating, the upper positioning groove of the lower positioning groove of lower locating piece and upper locating piece forms a circular hole, upper and lower locating piece is embraced the support tube of alighting gear by this circular hole, then turning handle in horizontal surface, handle drivening rod is rotated with respect to lateral pin, connecting rod is together with pressure ring and locking ring upward movement, when anti-DNA releaxed circular DNA is pressed close to the bottom surface of lower locating piece, the handle of raising one's hand in vertical plane, the pin around connecting rod lower end rotates together with cover to make handle, due to the collar and the installation of pin employing eccentric manner, when the heavy wall end of the collar turns to vertex, can realize self-locking, make the heavy wall end of the collar tightly oppress the bottom surface of pressure ring, pressure ring passes to anti-DNA releaxed circular DNA by pressure, make the end face of anti-DNA releaxed circular DNA tightly oppress the bottom surface of lower locating piece, thereby it is loosening to prevent that lower locating piece and connecting rod from occurring.
After medicine liquid spray in operation process in medicine-chest, agricultural aircraft drop to assigned address, with hand, pull each handle downwards, handle is rotated down around pin, handle turns over after 180 °, the thin-walled end of the collar turns to extreme higher position, unclamp the compressing to pressure ring and anti-DNA releaxed circular DNA, turning handle in horizontal surface again, handle drivening rod is rotated with respect to lateral pin, connecting rod moves downward together with pressure ring and locking ring, until and anti-DNA releaxed circular DNA get out of the way the bottom surface of lower locating piece open end, this at present the open end of locating piece naturally droop, unclamp holding tightly alighting gear, alighting gear can be pulled down with it together with empty medicine-chest slave downwards, and can on fuselage, change the outfit at once and fill medicine-chest and the alighting gear of liquid according to mounting means.
In sum, the utility model can be realized being connected between alighting gear and fuselage, and not only fixing is good, and easy accessibility, quick, need to can not complete by instrument, not only simply but also laborsaving, change like this medicine-chest very convenient, can greatly improve the operating efficiency of agricultural aircraft.
For wear prevention and increase friction, further to improve the reliability of self-locking, between the described collar (7) and pressure ring (8), be provided with packing ring (9), this packing ring (9) is made by rubber, and is located on connecting rod (4).
In order to make structure compacter, and convenience and the fastness of increase connection, one side of described upper locating piece (1) end is formed with the first journal stirrup (10), the opposite side of described lower locating piece (2) corresponding end is formed with the second journal stirrup (11), described the first journal stirrup (10) fits together side by side with the second journal stirrup (11), and is hinged by bolt.
Described upper locating piece (1) and lower locating piece (2) are made by aviation aluminium, and selection is convenient like this, and cost is low, and lightweight, intensity is reliable.
In order to make the end face of anti-DNA releaxed circular DNA be combined closelyr with the bottom surface of lower locating piece, prevent that lower locating piece and connecting rod from occurring loosening, on the end face of described anti-DNA releaxed circular DNA (12), by even circumferential, be distributed with some locking teeths, this locking teeth is helical teeth (12a).
Described upper locating piece (1) and lower locating piece (2) are made by aviation aluminium.Selection is convenient like this, and cost is low, and lightweight, intensity is reliable.
Beneficial effect: the utility model can be realized firm connection the between agricultural aircraft landing gear and fuselage, and by alighting gear is carried out to easy disassembly, can to medicine-chest, change fast, thereby effectively improved the operating efficiency of aircraft, have simple in structure, operate the features such as convenient and labor-saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the lateral plan of Fig. 1.
Fig. 3 is the structural representation of upper locating piece.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the structural representation of lower locating piece.
Fig. 6 is the birds-eye view of Fig. 5.
Fig. 7 is the birds-eye view of anti-DNA releaxed circular DNA.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figures 1 to 6, upper locating piece 1 and lower locating piece 2 are all block structures of being made by aviation aluminium, and upper locating piece 1 is positioned at the top of lower locating piece 2, at the middle part of upper locating piece 1 bottom surface, are provided with positioning groove 1a, and on this, positioning groove 1a is arc top half slot upward.At the middle part of lower locating piece 2 end faces, be provided with lower positioning groove 2a, this lower positioning groove 2a is arc top half slot down, and lower positioning groove 2a and upper positioning groove 1a can form a circular hole.
As shown in Figures 1 to 6, a side in upper locating piece 1 end is formed with the first journal stirrup 10, the opposite side of lower locating piece 2 corresponding end is formed with the second journal stirrup 11, and described the first journal stirrup 10 and the second journal stirrup 11 fit together side by side, and are hinged by bolt.At upper locating piece 1, away from one end of the first journal stirrup 10, have the first opening 1b, lower locating piece 2 has the second opening 2b away from one end of the second journal stirrup 11, and the second opening 2b is corresponding with the first opening 1b, and both width are substantially equal.On described, in the first opening 1b of locating piece 1, be provided with lateral pin 3, two of this lateral pin 3 is stretched into and is fixed in locating piece 1.
As shown in Figures 1 to 7, be provided with a handle 6 below described lower locating piece 2, one end of this handle 6 is formed with 7, two collars 7 of two collars that are arranged side by side and is all sleeved on prejudicially on pin 5, and the bottom of two collars 7 is connected as a single entity.The lower end of the middle part of described pin 5 and connecting rod 4 fixes, and the axial line of the axial line of pin 5 and connecting rod 4 is perpendicular, and the upper end of connecting rod 4 is through the second opening 2b and the lateral pin 3 of lower locating piece 2, screw thread fit between connecting rod 4 and lateral pin 3.Between the described collar 7 and lower locating piece 2, be disposed with from the bottom up packing ring 9, pressure ring 8 and anti-DNA releaxed circular DNA 12, packing ring 9, pressure ring 8 and anti-DNA releaxed circular DNA 12 are all sleeved on connecting rod 4.Described packing ring 9 is made by rubber, and pressure ring 8 and anti-DNA releaxed circular DNA 12 are made of metal.End face at described anti-DNA releaxed circular DNA 12 is provided with the locking teeth that several distribute by even circumferential, and the number of locking teeth and angle of inclination are determined according to actual needs.Described locking teeth is helical teeth 12a, and this helical teeth 12a and anti-DNA releaxed circular DNA 12 are structure as a whole, and one end of helical teeth 12a is near the inner circle of anti-DNA releaxed circular DNA 12, and the other end of helical teeth 12a is near the cylindrical of anti-DNA releaxed circular DNA 12.
Principle of work of the present utility model is as follows:
In the bottom of agricultural aircraft fuselage (not shown in FIG.), be provided with four structures described in the utility model, upper locating piece 1 fixes by bolt and fuselage.When initial, lower locating piece 2 is connected with upper locating piece 1 by pin jointed end, and the open end of lower locating piece 2 naturally droops, first fuselage is positioned on alighting gear, making four of fuselage bottom upper locating pieces 1 is that one group of upper positioning groove 1a by separately straddles on corresponding alighting gear support tube between two, then rotate lower locating piece 2, the end face of lower locating piece 2 is gone to the bottom surface of upper locating piece 1 to be approached or laminating, the upper positioning groove 1a of the lower positioning groove 2a of lower locating piece 2 and upper locating piece 1 forms a circular hole, upper and lower locating piece is embraced the support tube of alighting gear by this circular hole, then turning handle 6 in horizontal surface, make handle 6 drivening rods 4 with respect to lateral pin 3 rotations, connecting rod 4 is together with pressure ring 8 and anti-DNA releaxed circular DNA 12 upward movements, when anti-DNA releaxed circular DNA 12 is pressed close to the bottom surface of lower locating piece 2, the handle 6 of raising one's hand in vertical plane, the pin 5 around connecting rod 4 lower ends rotates together with the collar 7 to make handle 6, because the collar 7 and pin 5 adopt eccentric manner to install, when the heavy wall end of the collar 7 turns to vertex, can realize self-locking, make the heavy wall end of the collar 7 tightly oppress the bottom surface of pressure ring 8, pressure ring 8 passes to anti-DNA releaxed circular DNA 12 by pressure, make the end face of anti-DNA releaxed circular DNA 12 tightly oppress the bottom surface of lower locating piece 2, because the end face of anti-DNA releaxed circular DNA 12 is provided with several oblique locking teeths, this locking teeth can make the end face of anti-DNA releaxed circular DNA 12 be combined more closely with the bottom surface of lower locating piece 2, thereby prevent that lower locating piece 2 and connecting rod 4 from occurring loosening, complete the assembling of alighting gear and fuselage.
After medicine liquid spray in operation process in medicine-chest, agricultural aircraft drop to assigned address, with hand, pull each handle 6 downwards, handle 6 is rotated down around pin 5, handle 6 turns over after 180 °, the thin-walled end of the collar 7 turns to extreme higher position, unclamp the compressing to pressure ring 8 and anti-DNA releaxed circular DNA 12, turning handle 6 in horizontal surface again, make handle 6 drivening rods 4 with respect to lateral pin 3 rotations, connecting rod 4 moves downward together with pressure ring 8 and anti-DNA releaxed circular DNA 12, until and anti-DNA releaxed circular DNA 12 get out of the way the bottom surface of lower locating piece 2 open ends, this at present the open end of locating piece 2 naturally droop, unclamp holding tightly alighting gear, alighting gear can be pulled down from fuselage together with empty medicine-chest downwards, and can on fuselage, change the outfit at once and fill medicine-chest and the alighting gear of liquid according to mounting means.
Claims (5)
1. the agricultural aircraft landing gear of axle and fuselage quick-change structure, it is characterized in that: the middle part of upper locating piece (1) bottom surface is provided with positioning groove (1a), in the below of upper locating piece (1), lower locating piece (2) is set, the middle part of this lower locating piece (2) end face is provided with lower positioning groove (2a), the corresponding end of one end of described upper locating piece (1) and lower locating piece (2) is hinged, the other end at upper locating piece (1) and lower locating piece (2) is equipped with opening, and is provided with lateral pin (3) in the opening of described upper locating piece (1); In the below of described lower locating piece (2), be provided with a handle (6), one end of this handle (6) has two collars that are arranged side by side (7), two collars (7) are all sleeved on pin (5) prejudicially, the lower end of the middle part of described pin (5) and connecting rod (4) fixes, the upper end of connecting rod (4) is through opening and the lateral pin (3) of lower locating piece (2), screw thread fit between connecting rod (4) and lateral pin (3); Between the described collar (7) and lower locating piece (2), be provided with pressure ring (8), this pressure ring (8) is sleeved on connecting rod (4); Between described pressure ring (8) and lower locating piece (2), be provided with anti-DNA releaxed circular DNA (12), this anti-DNA releaxed circular DNA (12) is also sleeved on connecting rod (4).
2. the agricultural aircraft landing gear of four axle according to claim 1 and fuselage quick-change structure, is characterized in that: between the described collar (7) and pressure ring (8), be provided with packing ring (9), this packing ring (9) is made by rubber, and is located on connecting rod (4).
3. the agricultural aircraft landing gear of four axle according to claim 1 and fuselage quick-change structure, it is characterized in that: a side of described upper locating piece (1) end is formed with the first journal stirrup (10), the opposite side of described lower locating piece (2) corresponding end is formed with the second journal stirrup (11), described the first journal stirrup (10) fits together side by side with the second journal stirrup (11), and is hinged by bolt.
4. the agricultural aircraft landing gear of four axle according to claim 1 and fuselage quick-change structure, is characterized in that: on the end face of described anti-DNA releaxed circular DNA (12), by even circumferential, be distributed with some locking teeths, this locking teeth is helical teeth (12a).
5. according to the agricultural aircraft landing gear of four axles and fuselage quick-change structure described in claim 1 or 2 or 3 or 4, it is characterized in that: described upper locating piece (1) and lower locating piece (2) are made by aviation aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567876.5U CN203461101U (en) | 2013-09-13 | 2013-09-13 | Quick-changing structure for undercarriage and body of four-axle agricultural aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567876.5U CN203461101U (en) | 2013-09-13 | 2013-09-13 | Quick-changing structure for undercarriage and body of four-axle agricultural aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203461101U true CN203461101U (en) | 2014-03-05 |
Family
ID=50173480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567876.5U Expired - Fee Related CN203461101U (en) | 2013-09-13 | 2013-09-13 | Quick-changing structure for undercarriage and body of four-axle agricultural aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203461101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494819A (en) * | 2014-12-12 | 2015-04-08 | 华南农业大学 | Folding quick-disassembling type multi-rotary wing unmanned aerial vehicle |
| CN109592024A (en) * | 2016-07-05 | 2019-04-09 | 金福珍 | A kind of Intelligent unattended machine |
-
2013
- 2013-09-13 CN CN201320567876.5U patent/CN203461101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494819A (en) * | 2014-12-12 | 2015-04-08 | 华南农业大学 | Folding quick-disassembling type multi-rotary wing unmanned aerial vehicle |
| CN109592024A (en) * | 2016-07-05 | 2019-04-09 | 金福珍 | A kind of Intelligent unattended machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103482068B (en) | A kind of four axle agricultural unmanned vehicle medicine liquid spray systems and fuselage combine | |
| CN203461102U (en) | Undercarriage installation structure of agricultural unmanned aerial vehicle | |
| CN203461101U (en) | Quick-changing structure for undercarriage and body of four-axle agricultural aircraft | |
| CN209567085U (en) | A kind of easy-to-mount pesticide spraying plant protection drone | |
| CN103496446B (en) | The agricultural aircraft of a kind of four axle | |
| CN203486128U (en) | Four-axis agricultural unmanned aerial vehicle undercarriage and fuselage assembly | |
| CN203461131U (en) | Four-shaft agricultural unmanned aircraft agent liquid spraying system and aircraft body combination | |
| CN203461088U (en) | Four-shaft farm-oriented unmanned aircraft fuselage positioning structure | |
| CN203461104U (en) | Connecting structure for undercarriage and fuselage of farm-oriented unmanned aerial vehicle | |
| CN203461103U (en) | Four-shaft farm-oriented aircraft undercarriage and fuselage quick-changing device | |
| CN203461107U (en) | Four-shaft farm-oriented aircraft medicine chest and fuselage assembly | |
| CN203461089U (en) | Pesticide box and combined type fuselage assembly of farm-oriented unmanned aerial vehicle | |
| CN203486135U (en) | Hybrid type fuselage and undercarriage combination structure of farm-oriented unmanned aerial vehicle | |
| CN204150809U (en) | The horizontal stranding in a kind of multi-thread footpath coils device | |
| CN203461105U (en) | Combined type fuselage support structure of farm-oriented unmanned aerial vehicle | |
| CN203486143U (en) | Four-axis agricultural aircraft pesticide spraying system and aircraft body combination structure | |
| CN205772422U (en) | A kind of manual liquid pipe hoist engine | |
| CN203461130U (en) | Chemical spraying system and composite vehicle body combination of agricultural unmanned aerial vehicle | |
| CN203461132U (en) | Composite vehicle body and chemical box combination of agricultural unmanned aerial vehicle | |
| CN203461133U (en) | Four-shaft agricultural aircraft body and agent box combination | |
| CN204021172U (en) | A kind of axis being applicable to bicycle | |
| CN207157560U (en) | A kind of integral truss-type aircraft wing structure of hanging rack | |
| CN212448161U (en) | Unmanned aerial vehicle control parameter debugging frame | |
| CN203461129U (en) | Spraying system and composite vehicle body assembly of agricultural unmanned aerial vehicle | |
| CN202542208U (en) | Foldable liquid storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20170913 |