CN203461102U - Undercarriage installation structure of agricultural unmanned aerial vehicle - Google Patents
Undercarriage installation structure of agricultural unmanned aerial vehicle Download PDFInfo
- Publication number
- CN203461102U CN203461102U CN201320567881.6U CN201320567881U CN203461102U CN 203461102 U CN203461102 U CN 203461102U CN 201320567881 U CN201320567881 U CN 201320567881U CN 203461102 U CN203461102 U CN 203461102U
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- China
- Prior art keywords
- locating piece
- alighting gear
- lower locating
- agricultural unmanned
- unmanned vehicle
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Abstract
The utility model discloses an undercarriage installation structure of an agricultural unmanned aerial vehicle, wherein each bottom tube (15) consists of a straight section (15A) and upwarp sections (15B) at both ends; front and rear supporting tubes (14) are arranged above the two bottom tubes (15), each supporting tube consists of a middle horizontal section (14A) and inclined sections (14B) on the left and right sides, the lower ends of the inclined sections (14B) are welded and fixed together with the straight sections (15A) of the corresponding bottom tubes (15), the upper ends of the inclined sections (14B) are connected with the horizontal sections (14A), and the horizontal section (14A) of each supporting tube (14) is connected with the vehicle body (12) through two fasteners. The structure disclosed by the utility model not only is good in stability of supporting the whole agricultural aerial vehicle, but also can be used for furthering guarantee normal landing of the agricultural aerial vehicle. In addition, according to the structure provided by the utility model, the undercarriage can be further conveniently disassembled and assembled, and the medicine chest is quickly changed, so that the operational efficiency of the aerial vehicle is effectively improved.
Description
Technical field
The utility model belongs to agricultural vehicle technology field, specifically, and the particularly alighting gear mounting structure on agricultural unmanned vehicle.
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.Agricultural carry-on alighting gear is agricultural carry-on vitals, agricultural aircraft is played to the effect of firm support.But not only moulding productive costs comparatively complicated, that processing and manufacturing difficulty is larger, spent is higher for existing agricultural aircraft landing gear, support the less stable of whole agricultural aircraft, and the bottom tube of alighting gear is generally straight tube, when the oblique lower landing of agricultural aircraft, the end of bottom tube easily penetrates in ground or in soil, thereby can affect the normal landing of agricultural aircraft, and likely cause aircraft to damage because colliding.In addition, although the connection structure between agricultural unmanned vehicle alighting gear and fuselage is comparatively firm, dismounting complex operation, and must be by instrument, not only time-consuming but also effort.In addition, existing agricultural aircraft 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, will greatly reduce the operating efficiency of aircraft like this.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of support effect good, can guarantee that agricultural aircraft normally lands, and agricultural unmanned vehicle alighting gear mounting structure that can easy disassembly.
The technical solution of the utility model is as follows: a kind of agricultural unmanned vehicle alighting gear mounting structure, comprise alighting gear (13) and fuselage (12), described alighting gear (13) has left and right two bottom tubes that are parallel to each other (15), this bottom tube (15) is comprised of the perk section (15B) of middle flat segments (15A) and rear and front end, two support tubes that are parallel to each other (14) before and after being provided with in the top of two foundation pipes (15), described support tube (14) is comprised of the tilting section (14B) of middle horizontal segment (14A) and the right and left, the lower end of described tilting section (14B) is welded and fixed mutually with the flat segments (15A) of corresponding bottom tube (15), the upper end of tilting section (14B) is connected with horizontal segment (14A), and connecting place passes through arc transition, the horizontal segment (14A) of every described support tube (14) is connected with fuselage (12) by two fasteners.
The utility model forms tower structure by two foundation pipes and two support tubes, the horizontal segment of two support tubes is fixed support to the fuselage of agricultural aircraft jointly, not only simple, the processing and fabricating of moulding easily, productive costs is lower, and weight is light, the good stability that supports whole agricultural aircraft; In addition, the two ends of the utility model bottom tube are upturned, and can effectively prevent that like this end of aircraft when landing bottom tube from penetrating in ground or in soil, thus guaranteed aircraft steadily, normally landing, avoided making the situation of aircraft collision damage to occur; In addition, the horizontal segment of every support tube is connected with fuselage by two fasteners, can guarantee the fastness that support tube is connected with fuselage, can quickly alighting gear be carried out to dismounting with it together with medicine-chest slave by this fastener again.
Described fastener has upper locating piece (1) and lower locating piece (2), upper locating piece (1) is secured by bolts in the bottom surface of fuselage (12), 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), on, lower locating piece (1, 2) upper by what cooperatively interact, lower positioning groove (1a, 2a) horizontal segment of support tube (14) (14A) is held tightly, 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), it is upper that this pressure ring (8) is sleeved on connecting rod (4), and described pressure ring (8) is subject to the compressing of the collar (7) heavy wall end, is pressed on the bottom surface of lower locating piece (2).
Adopt above technical scheme, between two support tubes of alighting gear and fuselage by all around totally four fasteners link together: the upper locating piece of fastener 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 upward movement, when pressure ring 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 by pressure ring, 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, turning handle in horizontal surface again, handle drivening rod is rotated with respect to lateral pin, connecting rod moves downward together with pressure ring, until pressure ring gets 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 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.
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.
As preferably, between the perk section (15B) of described bottom tube (15) and ground, there is the angle of 20～35 °.
For selection convenience, reduce costs, and when guaranteeing in-use performance expendable weight and guarantee intensity as much as possible, described support tube (14) and bottom tube (15) are made by aviation aluminum pipe, the external diameter of this support tube (14) and bottom tube (15) is 28mm, and wall thickness is 1～1.5mm.
In order to guarantee to beautify outward appearance on the basis of in-use performance, strengthen resistance to abrasion, to save production cost, at the outside face of described support tube (14) and bottom tube (15), by plastic-blasting, be formed with protective layer, the thickness of protective layer is 0.1mm.
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.
Beneficial effect: the utility model supports the good stability of whole agricultural aircraft, can realize firm connection the between agricultural unmanned vehicle alighting gear and fuselage, can guarantee that again agricultural aircraft normally lands; In addition, the utility model can also be changed medicine-chest rapidly by alighting gear is carried out to easy disassembly, thereby has effectively improved the operating efficiency of aircraft.
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 fastener.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is the structural representation of upper locating piece.
Fig. 6 is the upward view of Fig. 5.
Fig. 7 is the structural representation of lower locating piece.
Fig. 8 is the birds-eye view of Fig. 7.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1 and Figure 2, the utility model is comprised of alighting gear 13, fuselage 12 and fastener three parts, and fuselage 12 is positioned at the top of alighting gear 13.Described alighting gear 13 comprises two of the front and back support tube being parallel to each other 14 and two of the left and right bottom tube being parallel to each other 15, and each support tube 14 is supported by corresponding bottom tube 15.Described support tube 14 and bottom tube 15 are made by aviation aluminum pipe, and this support tube 14 and bottom tube 15 external diameters are all preferably 28mm, and wall thickness is 1～1.5mm.Outside face at described support tube 14 and bottom tube 15 is all formed with protective layer by plastic-blasting, and the thickness of this protective layer is 0.1mm.
As shown in Figure 1 and Figure 2, described bottom tube 15 is comprised of the perk section 15B of middle flat segments 15A and rear and front end, has the angle of 20～35 ° between perk section 15B and ground.Two support tubes that are parallel to each other 14 before and after being provided with above two foundation pipes 15, described support tube 14 is comprised of the tilting section 14B of middle horizontal segment 14A and the right and left, the lower end of described tilting section 14B is welded and fixed mutually with the flat segments 15A of corresponding bottom tube 15, the upper end of tilting section 14B is connected with horizontal segment 14A, and connecting place passes through arc transition.The horizontal segment 14A of every described support tube 14 is connected with fuselage 12 by two fasteners respectively, four fasteners in same level by the rectangular distribution.
As shown in Figures 1 to 8, described fastener has upper locating piece 1 and lower locating piece 2, upper locating piece 1 is secured by bolts in the bottom surface of fuselage 12, upper locating piece 1 and lower locating piece 2 are all block structures of being made by aviation aluminium, upper locating piece 1 is positioned at the top of lower locating piece 2, middle part in upper locating piece 1 bottom surface is 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, upper and lower locating piece 1,2 is held the horizontal segment 14A of support tube 14 tightly by the upper and lower positioning groove 1a, the formed circular hole of 2a that cooperatively interact.
As shown in Figures 1 to 8, 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 8, 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 provided with pressure ring 8, this pressure ring 8 is sleeved on connecting rod 4, and described pressure ring 8 is subject to the compressing of the collar 7 heavy wall ends, is pressed on the bottom surface of lower locating piece 2.Between the described collar 7 and pressure ring 8, be also provided with packing ring 9, this packing ring 9 is made by rubber, and packing ring 9 is also located on connecting rod 4.
Principle of work of the present utility model is as follows:
When initial, the lower locating piece 2 of four fasteners is connected with corresponding upper locating piece 1 by pin jointed end, and the open end of lower locating piece 2 naturally droops, first fuselage 12 is positioned on alighting gear 13, making four of fuselage 12 bottoms upper locating pieces 1 is that one group of upper positioning groove 1a by separately straddles on the horizontal segment 14A of corresponding alighting gear support tube 14 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 14 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 upward movements, when pressure ring 8 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 pass through the bottom surface that pressure ring 8 is tightly oppressed lower locating piece 2, thereby prevent that lower locating piece 2 and connecting rod 4 from occurring loosening, complete the assembling of alighting gear 13 and fuselage 12.
After medicine liquid spray in operation process in medicine-chest, agricultural unmanned vehicle 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, 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, until pressure ring 8 gets 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 14, alighting gear 14 can be pulled down from fuselage 12 together with empty medicine-chest downwards, and can on fuselage 12, change the outfit at once and fill medicine-chest and the alighting gear of liquid according to mounting means.
Claims (8)
1. an agricultural unmanned vehicle alighting gear mounting structure, comprise alighting gear (13) and fuselage (12), it is characterized in that: described alighting gear (13) has left and right two bottom tubes that are parallel to each other (15), this bottom tube (15) is comprised of the perk section (15B) of middle flat segments (15A) and rear and front end, two support tubes that are parallel to each other (14) before and after being provided with in the top of two foundation pipes (15), described support tube (14) is comprised of the tilting section (14B) of middle horizontal segment (14A) and the right and left, the lower end of described tilting section (14B) is welded and fixed mutually with the flat segments (15A) of corresponding bottom tube (15), the upper end of tilting section (14B) is connected with horizontal segment (14A), the horizontal segment (14A) of every described support tube (14) is connected with fuselage (12) by two fasteners.
2. agricultural unmanned vehicle alighting gear mounting structure according to claim 1, it is characterized in that: described fastener has upper locating piece (1) and lower locating piece (2), upper locating piece (1) is secured by bolts in the bottom surface of fuselage (12), 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), on, lower locating piece (1, 2) upper by what cooperatively interact, lower positioning groove (1a, 2a) horizontal segment of support tube (14) (14A) is held tightly, 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), it is upper that this pressure ring (8) is sleeved on connecting rod (4), and described pressure ring (8) is subject to the compressing of the collar (7) heavy wall end, is pressed on the bottom surface of lower locating piece (2).
3. agricultural unmanned vehicle alighting gear mounting structure according to claim 1, is characterized in that: between the perk section (15B) of described bottom tube (15) and ground, have the angle of 20～35 °.
4. agricultural unmanned vehicle alighting gear mounting structure according to claim 1, it is characterized in that: described support tube (14) and bottom tube (15) are made by aviation aluminum pipe, the external diameter of this support tube (14) and bottom tube (15) is 28mm, and wall thickness is 1～1.5mm.
5. according to the agricultural unmanned vehicle alighting gear mounting structure described in claim 1 or 2 or 3 or 4, it is characterized in that: the outside face at described support tube (14) and bottom tube (15) is formed with protective layer by plastic-blasting, and the thickness of protective layer is 0.1mm.
6. agricultural unmanned vehicle alighting gear mounting structure according to claim 2, 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).
7. agricultural unmanned vehicle alighting gear mounting structure according to claim 2, 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.
8. according to the agricultural unmanned vehicle alighting gear mounting structure described in claim 2 or 6 or 7, 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 |
|---|---|---|---|
| CN201320567881.6U CN203461102U (en) | 2013-09-13 | 2013-09-13 | Undercarriage installation structure of agricultural unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567881.6U CN203461102U (en) | 2013-09-13 | 2013-09-13 | Undercarriage installation structure of agricultural unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203461102U true CN203461102U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567881.6U Expired - Fee Related CN203461102U (en) | 2013-09-13 | 2013-09-13 | Undercarriage installation structure of agricultural unmanned aerial vehicle |
Country Status (1)
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| CN (1) | CN203461102U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863549A (en) * | 2014-03-26 | 2014-06-18 | 重庆金泰航空工业有限公司 | Body supporting assembly for four-axis unmanned aircraft |
| CN103863551A (en) * | 2014-03-26 | 2014-06-18 | 重庆金泰航空工业有限公司 | Agricultural aircraft body assembly |
| CN104554714A (en) * | 2014-12-05 | 2015-04-29 | 张立 | Splitting type undercarriage for helicopter model |
| CN105523180A (en) * | 2016-02-01 | 2016-04-27 | 张琬彬 | Shock-absorbing device for unmanned aerial vehicle |
-
2013
- 2013-09-13 CN CN201320567881.6U patent/CN203461102U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863549A (en) * | 2014-03-26 | 2014-06-18 | 重庆金泰航空工业有限公司 | Body supporting assembly for four-axis unmanned aircraft |
| CN103863551A (en) * | 2014-03-26 | 2014-06-18 | 重庆金泰航空工业有限公司 | Agricultural aircraft body assembly |
| CN103863551B (en) * | 2014-03-26 | 2016-08-24 | 重庆金泰航空工业有限公司 | A kind of agricultural aircraft body assembly |
| CN103863549B (en) * | 2014-03-26 | 2016-08-24 | 重庆金泰航空工业有限公司 | A kind of four axle unmanned vehicle supporting fuselage assemblies |
| CN104554714A (en) * | 2014-12-05 | 2015-04-29 | 张立 | Splitting type undercarriage for helicopter model |
| CN105523180A (en) * | 2016-02-01 | 2016-04-27 | 张琬彬 | Shock-absorbing device for unmanned aerial vehicle |
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