CN209581858U - A kind of contraction undercarriage - Google Patents
A kind of contraction undercarriage Download PDFInfo
- Publication number
- CN209581858U CN209581858U CN201821761480.3U CN201821761480U CN209581858U CN 209581858 U CN209581858 U CN 209581858U CN 201821761480 U CN201821761480 U CN 201821761480U CN 209581858 U CN209581858 U CN 209581858U
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- China
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- bottom plate
- contraction
- undercarriage
- connecting rod
- fixedly connected
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Abstract
The utility model discloses a kind of contraction undercarriages, it is related to undercarriage field, the undercarriage of takeoff and landing for unmanned plane, including constriction device, bottom bar and support frame, constriction device includes bottom plate, sliding block, first connecting rod, the second connecting rod, power input, support frame includes sleeve, loop bar and the first spring, and power input includes cam, motor and second spring, and the bottom surface of bottom plate is provided with sliding slot；By the way that sliding slot sliding block and power input are arranged on base plate interior, with the movement of movable slider under the action of power input, then pass through the effect of the second connecting rod, drive the contraction of support frame, reduce the flight resistance during unmanned plane during flying, reduce energy consumption；By covering the effect of rod sleeve and the first spring, when unmanned plane is when dropping to ground, the effect of damping can achieve, reduce injury of the vibration to unmanned plane.
Description
Technical field
The utility model relates to undercarriage field more particularly to a kind of contraction undercarriages.
Background technique
Unmanned plane is the not manned vehicle operated using radio robot and self-contained program's control device.Current nothing
Man-machine to be widely used in the fields such as aerial reconnaissance, monitoring, communication, antisubmarine, electronic interferences, undercarriage is the main composition portion of unmanned plane
Point, the supporting role during unmanned plane landing to unmanned plane is primarily served, it can also be with when air crash accident occurs for unmanned plane
Play certain buffer function；But there is also problems once for existing undercarriage:
1, undercarriage is directly fixedly connected with drone body, not can be carried out folding, during unmanned plane during flying, undercarriage
It will increase the flight resistance of unmanned plane, energy consumption is big；
2, undercarriage does not have shock-absorbing function.
Utility model content
The purpose of this utility model is that devises a kind of contraction undercarriage to solve the above-mentioned problems.
The utility model achieves the above object through the following technical schemes:
A kind of contraction undercarriage, for the takeoff and landing of unmanned plane, a kind of contraction undercarriage includes constriction device and four
A support frame；
Constriction device includes:
Bottom plate, unmanned plane are mounted on the top of bottom plate, and the bottom surface quadrangle of bottom plate is fixedly installed with two pieces of connecting plates, each
Connecting plate is provided with through-hole, and the upper end of each support frame is respectively and fixedly provided with first connecting shaft, and the two of first connecting shaft
End is may be rotatably mounted at respectively in the through-hole of two connecting plates, and the bottom surface both ends of bottom plate are provided with sliding slot；
Two pieces of sliding blocks, every piece of sliding block can be slidably mounted in a sliding slot, and two pieces of sliding blocks are solid away from the side at bottom plate center
Surely there is second connecting shaft；
First connecting rod, first connecting rod are mounted on the inside of bottom plate, the both ends of first connecting rod respectively with two pieces of sliding blocks
Side close to bottom plate center is fixedly connected；
Two second connecting rods, the both ends of every second connecting rod are provided with through-hole, wherein close to the two of two pieces of sliding blocks
It is fixedly installed with a third connecting shaft in the middle part of a support frame, a third connecting shaft and second connecting shaft can turn respectively
It is dynamic to be mounted in the through-hole at a second connecting rod both ends；
Power input, power input are connect with two first connecting rods close to the side at bottom plate center.
Further, a kind of contraction undercarriage further includes two foundation bars, and two foundation bars are parallel with two springs, Mei Gezhi
Support includes sleeve, loop bar and the first spring, and the upper end of sleeve is fixedly connected with first connecting shaft, the first both ends of the spring point
It is not fixedly connected with the upper end of the inside top surface of sleeve and loop bar, the upper end of loop bar is placed in the inside of sleeve, under each loop bar
End is provided with mounting groove, and every foundation bar side face is provided with two pieces of link blocks, and every piece of link block is provided with through-hole, a company
Connect it is rotatably mounted in the through-hole of block have a third connecting shaft, the both ends of a third connecting shaft respectively with mounting groove
Both ends are fixedly connected.
Further, power input includes cam, motor and two second springs, the fixed company in the inside of motor and bottom plate
It connects, the center of rotation of cam is fixedly connected with the shaft of motor, and cam is contacted with the first connecting plate close to the side at bottom plate center
Connection, the both ends of every spring are fixedly connected with the inner side of the first end of one piece of sliding block and shell respectively, and every spring is equal
Place and tensional state.
The utility model has the beneficial effects that:
1, it by the way that sliding slot sliding block and power input are arranged on base plate interior, drives and slides under the action of power input
The movement of block, then pass through the effect of the second connecting rod, the contraction of support frame is driven, the flight resistance during unmanned plane during flying is reduced
Power reduces energy consumption；
2, by covering the effect of rod sleeve and the first spring, when unmanned plane is when dropping to ground, it can achieve damping
Effect reduces injury of the vibration to unmanned plane.
Detailed description of the invention
Fig. 1 is a kind of perspective view for shrinking undercarriage of the utility model；
Fig. 2 is a kind of schematic diagram of internal structure for shrinking undercarriage insole board of the utility model；
Fig. 3 is a kind of structural schematic diagram for shrinking support frame in undercarriage of the utility model；
Wherein corresponding appended drawing reference are as follows:
1- unmanned plane, 2- bottom plate, 201- sliding slot, 3- constriction device, 301- second spring, 302- motor, 303- cam,
304- sliding block, 305- first connecting rod, the second connecting rod of 306-, 307- connecting plate, 4- support frame, 401- bottom bar, 402- installation
Slot, 403- loop bar, 404- sleeve.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment 1, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of contraction undercarriage are a kind of for the takeoff and landing of unmanned plane 1
Shrinking undercarriage includes constriction device 3 and four support frames 4；
Constriction device 3 includes:
Bottom plate 2, unmanned plane 1 are mounted on the top of bottom plate 2, and the bottom surface quadrangle of bottom plate 2 is fixedly installed with two pieces of connecting plates
307, each connecting plate 307 is provided with through-hole, and the upper end of each support frame 4 is respectively and fixedly provided with first connecting shaft, and one
The both ends of one connecting shaft are may be rotatably mounted at respectively in the through-hole of two connecting plates 307, and the bottom surface both ends of bottom plate 2 are provided with cunning
Slot 201；
Two pieces of sliding blocks 304, every piece of sliding block 304 can be slidably mounted in a sliding slot 201, and two pieces of sliding blocks 304 deviate from bottom plate
The side at 2 centers is fixed with second connecting shaft；
First connecting rod 305, first connecting rod 305 are mounted on the inside of bottom plate 2, the both ends difference of first connecting rod 305
It is fixedly connected with two pieces of sliding blocks 304 close to the side at 2 center of bottom plate；
Two second connecting rods 306, the both ends of every second connecting rod 306 are provided with through-hole, wherein close to two pieces of cunnings
Two support frames, 4 middle part of block 304 is fixedly installed with a third connecting shaft, a third connecting shaft and one second connection
Axis is may be rotatably mounted at respectively in the through-hole at 306 both ends of the second connecting rod；
Power input, power input are connect with two first connecting rods 305 close to the side at 2 center of bottom plate.
Power input passes through band movable slider 304 and slides in sliding slot 201, and support frame 4 and sliding block 304 pass through the second connection
Bar 306 connects, and the second connecting rod 306 can be rotated relative to sliding block 304 and support frame 4, and sliding block 304 passes through the second connecting rod 306
The contraction of support frame 4 is driven, the flight resistance in 1 flight course of unmanned plane is reduced, reduces energy consumption.
Embodiment 2, as shown in Figure 1, Figure 3:
The present embodiment the difference from embodiment 1 is that: a kind of contraction undercarriage further includes two foundation bars 401, two foundation bars
401 is parallel with two springs, each support frame 4 include sleeve 404, loop bar 403 and the first spring, the upper end of sleeve 404 with
Piece first connecting shaft is fixedly connected, and the first both ends of the spring is solid with the upper end of the inside top surface of sleeve 404 and loop bar 403 respectively
Fixed connection, the upper end of loop bar 403 are placed in the inside of sleeve 404, and the lower end of each loop bar 403 is provided with mounting groove 402, and every
401 side of bottom bar is provided with two pieces of link blocks, and every piece of link block is provided with through-hole, can be rotated in the through-hole of a link block
A piece third connecting shaft is installed, the both ends of a third connecting shaft are fixedly connected with the both ends of a mounting groove respectively.
Loop bar 403 is sleeved in sleeve 404, and in loop bar 403 and sleeve 404 between setting the first spring is installed, when
Unmanned plane 1 can achieve the effect of damping when dropping to ground, reduce injury of the vibration to unmanned plane 1.
Embodiment 3, as shown in Figure 1 and Figure 2:
The present embodiment and the difference of embodiment 1 or embodiment 2 are: power input include cam 303, motor 302 and
Two second springs 301, motor 302 are fixedly connected with the inside of bottom plate 2, the center of rotation of cam 303 and the shaft of motor 302
It is fixedly connected, cam 303 and the first connecting plate 307 are connected close to the side at 2 center of bottom plate, every second spring 301
Both ends are fixedly connected with the inner side of the first end of one piece of sliding block 304 and shell respectively, every 301 Jun Chu of second spring and are drawn
Stretch state.
First connecting rod 305 is contacted close to the side at bottom plate center with cam 303, and the first end of two pieces of sliding blocks 304 passes through
Two second springs 301 are fixedly connected with the inside of bottom plate 2, and second spring 301 is constantly in tensional state, then sliding block and first
Connecting rod has the pulling force in spring contraction direction.
Claims (3)
1. a kind of contraction undercarriage, the takeoff and landing for unmanned plane, it is characterised in that: a kind of contraction undercarriage includes shrinking
Device and four support frames；
Constriction device includes:
Bottom plate, the unmanned plane are mounted on the top of the bottom plate, and the bottom surface quadrangle of the bottom plate is fixedly installed with two pieces of companies
Fishplate bar, each connecting plate are provided with through-hole, and the upper end of each support frame as described above is respectively and fixedly provided with first connecting shaft, and one
The both ends of first connecting shaft described in root are may be rotatably mounted at respectively in the through-hole of two connecting plates, the bottom surface two of the bottom plate
End is provided with sliding slot；
Two pieces of sliding blocks, every piece of sliding block can be slidably mounted in the sliding slot, and two pieces of sliding blocks deviate from bottom plate center
Side be fixed with second connecting shaft；
First connecting rod, the first connecting rod are mounted on the inside of the bottom plate, the both ends of the first connecting rod respectively with
Two pieces of sliding blocks are fixedly connected close to the side at bottom plate center；
The both ends of two second connecting rods, every second connecting rod are provided with through-hole, wherein close to the two of two pieces of sliding blocks
A third connecting shaft is fixedly installed in the middle part of a support frame as described above, a third connecting shaft and one described second connect
Spindle is may be rotatably mounted at respectively in the through-hole at second connecting rod both ends；
Power input, the power input are connect with two first connecting rods close to the side at bottom plate center.
2. a kind of contraction undercarriage according to claim 1, it is characterised in that；A kind of contraction undercarriage further includes two
Foundation bar, two foundation bars are parallel with two springs, and each support frame as described above includes sleeve, loop bar and the first spring, the set
The upper end of cylinder is fixedly connected with first connecting shaft, first both ends of the spring inside top surface with the sleeve respectively
It is fixedly connected with the upper end of the loop bar, the upper end of the loop bar is placed in the inside of the sleeve, the lower end of each loop bar
It is provided with mounting groove, the every bottom bar side is provided with two pieces of link blocks, and every piece of link block is provided with through-hole, and one
Rotatably mounted in the through-hole of the link block to have a third connecting shaft, the both ends of a third connecting shaft are respectively with one
The both ends of a mounting groove are fixedly connected.
3. a kind of contraction undercarriage according to claim 1 or 2, it is characterised in that；The power input include cam,
Motor and two second springs, the motor are fixedly connected with the inside of the bottom plate, the center of rotation of the cam with it is described
The shaft of motor is fixedly connected, and the cam and first connecting plate are connected close to the side at bottom plate center, every institute
It states the both ends of second spring to be fixedly connected with the inner side of the first end of one piece of sliding block and shell respectively, every described
Two springs place and tensional state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821761480.3U CN209581858U (en) | 2018-10-29 | 2018-10-29 | A kind of contraction undercarriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821761480.3U CN209581858U (en) | 2018-10-29 | 2018-10-29 | A kind of contraction undercarriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209581858U true CN209581858U (en) | 2019-11-05 |
Family
ID=68375885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821761480.3U Active CN209581858U (en) | 2018-10-29 | 2018-10-29 | A kind of contraction undercarriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209581858U (en) |
-
2018
- 2018-10-29 CN CN201821761480.3U patent/CN209581858U/en active Active
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