CN110539894A - adjustable recovery unit based on brake block - Google Patents
adjustable recovery unit based on brake block Download PDFInfo
- Publication number
- CN110539894A CN110539894A CN201910836919.7A CN201910836919A CN110539894A CN 110539894 A CN110539894 A CN 110539894A CN 201910836919 A CN201910836919 A CN 201910836919A CN 110539894 A CN110539894 A CN 110539894A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- brake
- brake pad
- fixed
- base
- 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.)
- Pending
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 230000000452 restraining effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/02—Arresting gear; Liquid barriers
- B64F1/025—Arresting gear; Liquid barriers using decelerating or arresting beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/25—Fixed-wing aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U70/00—Launching, take-off or landing arrangements
Abstract
the invention discloses an adjustable recovery device based on a brake pad, which comprises: the brake comprises a first brake disc, a rope, a hook and a second brake disc; the first brake disc and the second brake disc are fixedly connected with a rope through a hook; the first brake disc and the second brake disc are identical in structure and respectively comprise a knob, a support, a winding wheel, a steel wire rope, a separation blade, a rotating shaft, a shell, a brake pad and a base. The invention can shorten the distance of the unmanned aerial vehicle sliding recovery runway and reduce the recovery overload of the unmanned aerial vehicle; recovery unit is small, light in weight, can deploy fast in the task area to possess the ability of adjustable brake dynamics, applicable in the unmanned aerial vehicle system of multiple weight and the landing speed of taking off.
Description
Technical Field
The invention discloses an adjustable recovery device based on brake pads, and relates to the technical field of unmanned aerial vehicle recovery devices.
Background
The fixed-wing unmanned aerial vehicle mainly comprises parachute landing recovery, net collision recovery, rope hanging recovery, wheel type sliding landing and the like. The parachute landing recovery is greatly influenced by weather, and the landing point is uncontrollable when the wind speed is high; ground recovery equipment required by the modes of net collision recovery and rope hanging recovery is complex, the time for unfolding and withdrawing is long, and rapid deployment is inconvenient, for example, the Chinese patent with the application number of CN201310439325, namely a small unmanned aerial vehicle recovery mechanism; for example, chinese patent application No. CN201810709663 discloses a semi-automatic cable winding and unwinding device for a tethered unmanned aerial vehicle. The wheel type rolloff landing is a mature mode for recovering the fixed-wing unmanned aerial vehicle, is simple and reliable, but the mode needs a longer runway to be used for landing and decelerating the unmanned aerial vehicle, and has higher requirements on the runway.
In the prior art, innovations for improving the recovery effect of the unmanned aerial vehicle by improving the brake mechanism of the unmanned aerial vehicle also exist, for example, the brake mechanism of the main wheel of the unmanned aerial vehicle in the Chinese patent with the application number of CN201420828841, and the scheme comprises a release shifting fork, a steel wire rope, a release servo mechanism, an undercarriage clamping body, a brake disc and a compression spring; a shaft shoulder is arranged on one end face of the brake disc, a limiting disc is fixed on the end face of the shaft shoulder, and a limiting groove is formed in the limiting disc; a limiting rod is fixed on the landing gear clamping body and clamped in the limiting groove; the releasing shifting fork is supported on the landing gear clamping body, one end of the releasing shifting fork is clamped on two sides of the shaft shoulder and tightly hooks the limiting disc, and the other end of the releasing shifting fork is hung on the plug pin through a steel wire rope; one end of the pressure spring presses the landing gear clamping body, and the other end of the pressure spring presses the limiting disc.
However, the above-mentioned solutions do not have the capability of adjusting the braking force, and cannot be applied to various unmanned aerial vehicle systems with different takeoff weights and landing speeds, and it is also explicitly described in the above-mentioned patent application document that the above-mentioned technical solutions are applicable to a steering engine with a steering engine model number of HS-645 MG.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: to prior art's defect, provide an adjustable recovery unit based on brake block, shorten unmanned aerial vehicle and roll over and retrieve the runway distance, reduce unmanned aerial vehicle and retrieve the adjustable recovery unit based on brake block that transships, be convenient for deploy fast. This recovery unit is small, light in weight, can deploy fast in the task area to possess the ability of adjustable brake dynamics, applicable in the unmanned aerial vehicle system of multiple weight and the landing speed of taking off.
The invention adopts the following technical scheme for solving the technical problems:
An adjustable recovery device based on a brake pad comprises a first brake disc, a rope, a hook and a second brake disc; the first brake disc and the second brake disc are fixedly connected with a rope through hooks; the first brake disc and the second brake disc are identical in structure and respectively comprise a knob, a support, a winding wheel, a steel wire rope, a blocking piece, a rotating shaft, a shell, a brake pad, a base, a brake pad mounting seat and a shell; the knob is used for adjusting the brake pad and controlling the braking force; the bracket is fixed on the base; the reel is connected with the brake pad in series through a rotating shaft; the steel wire ropes are uniformly wound on the winding wheel; the baffle is fixed on the inner side of the bracket and compresses the steel wire rope on the winding wheel; the upper end of the rotating shaft is arranged in the center of the bracket, and the lower end of the rotating shaft is arranged in the center of the base; the shell is fixed on the base and covers the outer side of the brake pad; the brake block is fixed through the brake block mounting seat, and the bottom surface of the brake block is in contact with the top surface of the base to generate friction force.
As a further preferable scheme of the invention, the knob and the bracket are connected through threads, and the up-and-down height of the knob is adjusted through the rotation of the knob along the threads.
as a further preferable aspect of the present invention, the bracket is fixed to the base by screws.
as a further preferable scheme of the invention, the two ends of the rotating shaft are respectively sleeved in the first bearing and the second bearing, the upper end of the rotating shaft is fixed in the center of the bracket, and the lower end of the rotating shaft is fixed in the center of the base, so that the rotating shaft can freely rotate along the axial direction.
As a further preferred scheme of the invention, a pressure spring is arranged between the knob and a bearing at the upper end of the rotating shaft to drive the rotating shaft to move up and down along with the knob.
As a further preferable scheme of the invention, the reel is fixed on the rotating shaft through the one-way bearing, and the bearing outer ring passes through the first key pin, so that the reel and the one-way bearing outer ring can rotate at the same speed and in the same direction; the bearing inner ring penetrates through the second key pin and is used for restraining free rotation between the reel and the rotating shaft; the reel rotates in the direction of tightening the wire rope according to the direction of the one-way bearing.
As a further preferable aspect of the present invention, the brake pad is disposed below the reel and fixed to the rotary shaft by the second key pin; the brake block and the rotating shaft rotate in the same direction at the same speed, the bottom surface of the brake block is in contact with the top surface of the base to generate friction force, the rotating shaft is driven to move up and down through the knob to adjust the friction force, and then the damping force is adjusted when the steel wire rope is loosened.
In a further preferred embodiment of the present invention, the stopper is of an elastic structure and is tightly attached to the reel, so that the wire rope is uniformly wound around the reel when the wire rope is tightened.
as a further preferable aspect of the present invention, the housing cover is disposed above the brake pad.
As a further preferable scheme of the invention, the base is provided with mounting holes and fixed on two sides of the runway through ground nails or bolts.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
(1) The invention greatly shortens the distance of the unmanned aerial vehicle from the runway and realizes the safe landing of the unmanned aerial vehicle in the limited field.
(2) The brake disc disclosed by the invention is small in size and light in weight, can be rapidly deployed in a task area, is easy to disassemble and store when not used, and does not occupy a field and a space.
(3) The brake disc can adjust the braking force, is suitable for unmanned aerial vehicle systems with different take-off weights and landing speeds, reduces the recovery overload of the unmanned aerial vehicle by changing the damping magnitude, and ensures the safety of a machine body and airborne equipment.
(4) The recovery device has the advantages of simple and firm structure, short development time, simple maintenance and strong reliability.
Drawings
FIG. 1 is a schematic view of the overall composition of the present invention;
FIG. 2 is a schematic view of the brake disc assembly of the present invention;
FIG. 3 is a functional diagram illustrating the present invention;
The airplane brake system comprises a first brake disc (left), a first hook (2), a rope (3), a second hook (4), a second brake disc (right), a knob (11), a pressure spring (12), a support (13), a first bearing (14), a rotating shaft (15), a one-way bearing (16), a first key pin (17), a second key pin (18), a steel wire rope (19), a blocking sheet (20), a winding wheel (21), a brake pad (22), a base (23), a brake pad mounting seat (24), a shell (25), a second bearing (26), an airplane state (51) and an airplane state (52) which are 2.
Detailed Description
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The technical scheme of the invention is further explained in detail by combining the attached drawings:
The invention has the overall composition schematic diagram shown in figure 1, and the adjustable recovery device based on the brake pad comprises a first brake disc (left), a first hook, a rope, a second hook and a second brake disc (right). The first brake disc (left) is fixedly connected with the first hook; the first hook is fixedly connected with the rope; the rope is fixedly connected with the second hook; the second hook is fixedly connected with the second brake disc (right).
The left and right sides of the brake disc are distinguished based on the landing direction of the airplane.
In an embodiment of the invention, the brake disc composition of the invention is schematically shown in fig. 2, and the first brake disc (left) and the second brake disc (right) have the same structure and consist of a knob, a pressure spring, a bracket, a first bearing, a rotating shaft, a one-way bearing, a first key pin, a second key pin, a steel wire rope, a baffle, a reel, a brake pad, a base, a shell and a second bearing. The knob is used for adjusting the brake pad and controlling the braking force; the bracket is fixed on the base; the reel is connected with the brake pad in series through a rotating shaft; the steel wire ropes are uniformly wound on the winding wheel; the baffle is fixed on the inner side of the bracket and compresses the steel wire rope on the winding wheel; the upper end of the rotating shaft is arranged in the center of the bracket, and the lower end of the rotating shaft is arranged in the center of the base; the shell is fixed on the base and covers the outer side of the brake pad; the brake block is fixed through the brake block mounting seat, and the bottom surface of the brake block is in contact with the top surface of the base to generate friction force.
As a further preferred scheme of the invention, the knob is connected with the bracket through threads, and the up-and-down height of the knob can be adjusted; the bracket is fixed on the base through screws.
The bearing is emboliaed respectively at pivot both ends, and the upper end is fixed in the support center, and the lower extreme is fixed in the base center, realizes that the pivot can freely rotate along the axial. A pressure spring is arranged between the knob and a bearing at the upper end of the rotating shaft to drive the rotating shaft to move up and down along with the knob. The reel is fixed on the rotating shaft through the one-way bearing, and the bearing outer ring penetrates through the first key pin, so that the reel and the one-way bearing outer ring can rotate in the same direction and at the same speed; the bearing inner ring penetrates through the second key pin and is used for restraining free rotation between the reel and the rotating shaft, and therefore the reel can only rotate according to the direction of the one-way bearing and the direction of tightening the steel wire rope.
As the preferred scheme in the specific embodiment, the brake pad is arranged below the winding wheel and fixed on the rotating shaft through the second key pin, so that the brake pad and the rotating shaft rotate at the same speed and in the same direction, the bottom surface of the brake pad is contacted with the top surface of the base to generate friction force, the friction force drives the rotating shaft to move up and down through the knob, the size of the friction force can be adjusted, and the adjustment of the damping size when the steel wire rope is loosened is realized.
Preferably, the blocking piece is of an elastic structure and is tightly attached to the winding wheel, so that the steel wire rope can be uniformly wound on the winding wheel when being tightened.
as the preferred scheme in the concrete embodiment, the shell covers above the brake block, prevents the contact part of the brake block and the base from directly contacting air, prevents dust and water, and prolongs the service life of the brake disc.
As the preferable scheme in the specific embodiment, the base is provided with mounting holes, and can be quickly fixed on the two sides of the runway by adopting ground nails or bolts.
in one embodiment of the present invention, the device is functionally schematically illustrated with reference to fig. 3, wherein the aircraft state 51 represents the aircraft landing direction and the state of the recovery device at that time; the aircraft state 52 represents the position of the aircraft and the state of the recovery device after the aircraft has been parked. According to the technical scheme, the brake force is adjusted through the brake disc, so that the unmanned aerial vehicle system is suitable for unmanned aerial vehicle systems with different take-off weights and landing speeds, the recovery overload of the unmanned aerial vehicle is reduced by changing the damping magnitude, and the safety of a machine body and airborne equipment is guaranteed. The invention provides an adjustable recovery device based on brake pads, which shortens the distance of a runway for recovery of unmanned aerial vehicles by sliding off, reduces recovery overload of the unmanned aerial vehicles and is convenient for rapid deployment. This recovery unit is small, light in weight, can deploy fast in the task area to possess the ability of adjustable brake dynamics, applicable in the unmanned aerial vehicle system of multiple weight and the landing speed of taking off.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. the utility model provides an adjustable recovery unit based on brake block which characterized in that: comprises a first brake disc, a rope, a hook and a second brake disc; the first brake disc and the second brake disc are fixedly connected with a rope through hooks;
The first brake disc and the second brake disc are identical in structure and respectively comprise a knob, a support, a winding wheel, a steel wire rope, a blocking piece, a rotating shaft, a shell, a brake pad, a base, a brake pad mounting seat and a shell;
The knob is used for adjusting the brake pad and controlling the braking force;
The bracket is fixed on the base;
The reel is connected with the brake pad in series through a rotating shaft;
the steel wire ropes are uniformly wound on the winding wheel;
the baffle is fixed on the inner side of the bracket and compresses the steel wire rope on the winding wheel;
the upper end of the rotating shaft is arranged in the center of the bracket, and the lower end of the rotating shaft is arranged in the center of the base;
the shell is fixed on the base and covers the outer side of the brake pad;
The brake block is fixed through the brake block mounting seat, and the bottom surface of the brake block is in contact with the top surface of the base to generate friction force.
2. An adjustable brake pad based retraction device according to claim 1, wherein: the knob is connected with the support through threads, and the height of the knob is adjusted through rotation of the knob along the threads.
3. An adjustable brake pad based retraction device according to claim 1, wherein: the support is fixed on the base through screws.
4. an adjustable brake pad based retraction device according to claim 1, wherein: the two ends of the rotating shaft are respectively sleeved in the first bearing and the second bearing, the upper end of the rotating shaft is fixed in the center of the support, the lower end of the rotating shaft is fixed in the center of the base, and the rotating shaft can freely rotate along the shaft direction.
5. An adjustable brake pad based retraction device according to claim 1, wherein: a pressure spring is arranged between the knob and a bearing at the upper end of the rotating shaft to drive the rotating shaft to move up and down along with the knob.
6. An adjustable brake pad based retraction device according to claim 1, wherein: the reel is fixed on the rotating shaft through the one-way bearing, and the bearing outer ring penetrates through the first key pin, so that the reel and the one-way bearing outer ring can rotate in the same direction and at the same speed; the bearing inner ring penetrates through the second key pin and is used for restraining free rotation between the reel and the rotating shaft;
the reel rotates in the direction of tightening the wire rope according to the direction of the one-way bearing.
7. An adjustable brake pad based retraction device according to claim 1, wherein: the brake pad is arranged below the winding wheel and is fixed on the rotating shaft through a second key pin;
The brake block and the rotating shaft rotate in the same direction at the same speed, the bottom surface of the brake block is in contact with the top surface of the base to generate friction force, the rotating shaft is driven to move up and down through the knob to adjust the friction force, and then the damping force is adjusted when the steel wire rope is loosened.
8. An adjustable brake pad based retraction device according to claim 1, wherein: the blocking piece is of an elastic structure and is tightly attached to the reel.
9. An adjustable brake pad based retraction device according to claim 1, wherein: the shell cover is arranged above the brake pad.
10. An adjustable brake pad based retraction device according to claim 1, wherein: the base is provided with mounting holes and fixed on two sides of the runway through ground nails or bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836919.7A CN110539894A (en) | 2019-09-05 | 2019-09-05 | adjustable recovery unit based on brake block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836919.7A CN110539894A (en) | 2019-09-05 | 2019-09-05 | adjustable recovery unit based on brake block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110539894A true CN110539894A (en) | 2019-12-06 |
Family
ID=68712590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910836919.7A Pending CN110539894A (en) | 2019-09-05 | 2019-09-05 | adjustable recovery unit based on brake block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110539894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112340045A (en) * | 2020-11-20 | 2021-02-09 | 江西洪都航空工业集团有限责任公司 | Net collision recovery device for small aircraft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3414333A (en) * | 1964-01-29 | 1968-12-03 | Grenobloise Etude Appl | Vehicle braking systems |
| GB1267340A (en) * | 1969-06-19 | 1972-03-15 | Gulf Western Ind Products Comp | Adjustable rotary hydraulic energy absorber |
| KR100929484B1 (en) * | 2009-07-17 | 2009-12-02 | 한국항공우주산업 주식회사 | Braking device for unmanned aerial vehicle |
| CN205203386U (en) * | 2015-11-13 | 2016-05-04 | 中国人民解放军国防科学技术大学 | Adjustable damping output device suitable for unmanned aerial vehicle hits net and retrieves |
-
2019
- 2019-09-05 CN CN201910836919.7A patent/CN110539894A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3414333A (en) * | 1964-01-29 | 1968-12-03 | Grenobloise Etude Appl | Vehicle braking systems |
| GB1267340A (en) * | 1969-06-19 | 1972-03-15 | Gulf Western Ind Products Comp | Adjustable rotary hydraulic energy absorber |
| KR100929484B1 (en) * | 2009-07-17 | 2009-12-02 | 한국항공우주산업 주식회사 | Braking device for unmanned aerial vehicle |
| CN205203386U (en) * | 2015-11-13 | 2016-05-04 | 中国人民解放军国防科学技术大学 | Adjustable damping output device suitable for unmanned aerial vehicle hits net and retrieves |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112340045A (en) * | 2020-11-20 | 2021-02-09 | 江西洪都航空工业集团有限责任公司 | Net collision recovery device for small aircraft |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191206 |
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| RJ01 | Rejection of invention patent application after publication |