CN221163419U - Novel unmanned aerial vehicle arresting system of braking mode - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle arresting system with a novel braking mode, which comprises an arresting rope and two winding drum devices, wherein the arresting rope is arranged along the direction crossing an unmanned aerial vehicle runway, the two winding drum devices are respectively connected to two ends of the arresting rope, each winding drum device comprises a winding drum and an arresting belt, each winding drum device is provided with a hydraulic braking device, the hydraulic braking device comprises a hydraulic brake, a hydraulic pump and an oil pump motor, the oil pump motor drives the hydraulic pump to rotate to supply oil for the hydraulic brake, and the hydraulic brake generates braking force to limit the rotation of the winding drum. Compared with the existing mode of providing power by means of rotation of a winding drum device, the hydraulic pump is driven by an independent oil pump motor, the independent oil pump motor can provide reliable and enough brake oil pressure for a blocking system, the problem that braking force is limited by a hydraulic pump power source is solved, and reliability and stability of the blocking system are improved.

Description

Novel unmanned aerial vehicle arresting system of braking mode

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle arresting, in particular to an unmanned aerial vehicle arresting system with a novel braking mode.

Background

The unmanned aerial vehicle arresting system is used for enabling unmanned aerial vehicle to stop fast on the runway when falling, mainly comprises an arresting rope and two winding drum devices, wherein the arresting rope is arranged along the direction crossing the unmanned aerial vehicle runway, the two winding drum devices are respectively located at two ends of the arresting rope, and the arresting belt wound on the winding drum devices is connected with the arresting rope. Unmanned aerial vehicle arresting system is arresting the in-process, provides the braking force for unmanned aerial vehicle's quick whereabouts through hydraulic braking system.

The existing unmanned aerial vehicle arresting system braking mode: when the arresting rope is pulled by the unmanned aerial vehicle after arresting, the two arresting belts are pulled out from the respective winding drum devices under the drive of the unmanned aerial vehicle, and meanwhile, the winding drum devices are driven to rotate, and the hydraulic pump is driven to work by the rotation of the winding drum devices through chain transmission, so that the hydraulic braking system is controlled to brake the winding drum devices; and wet-type multi-disc brakes are mostly adopted as the hydraulic brakes. The braking mode has the following defects:

1. The power of the hydraulic pump depends on the rotation of the reel device, the faster the reel device rotates, the larger the oil pressure provided by the hydraulic pump, the lower the speed of the reel device gradually decreases along with the gradual speed reduction of the unmanned aerial vehicle, the lower the oil pressure provided by the hydraulic pump; the rotation speed of the hydraulic pump is greatly changed, the oil pressure stability is poor, the system reliability is low, and the braking force is limited by the power source of the hydraulic pump.

2. The wet multi-disc brake adopts a closed structure, and a circulating cooling system is added for heat dissipation; brake shoe wear is not easily detected and wear member replacement is difficult.

Disclosure of utility model

The utility model aims at: to the above-mentioned not enough of current unmanned aerial vehicle arresting system braking mode, provide the unmanned aerial vehicle arresting system of a novel braking mode, not only can provide reliable brake oil pressure for arresting system, have the heat dispersion moreover good, make things convenient for the advantage such as detection and the change operation of wearing and tearing spare.

The utility model is realized by the following technical scheme:

The utility model provides an unmanned aerial vehicle arresting system with a novel braking mode, which comprises an arresting rope and two winding drum devices, wherein the arresting rope is arranged along the direction crossing an unmanned aerial vehicle runway, the two winding drum devices are respectively connected to two ends of the arresting rope, each winding drum device comprises a winding drum and an arresting belt, each winding drum device is provided with a hydraulic braking device, the hydraulic braking device comprises a hydraulic brake, a hydraulic pump and an oil pump motor, the oil pump motor drives the hydraulic pump to rotate to supply oil for the hydraulic brake, and the hydraulic brake generates braking force to limit the rotation of the winding drum.

In the scheme, the hydraulic pump is driven by the independent oil pump motor, compared with the existing mode of relying on the rotation of the winding drum device to provide power, the independent oil pump motor can provide reliable and enough brake oil pressure for the arresting system, the problem that the braking force is limited by a hydraulic pump power source is solved, and the reliability and stability of the arresting system are improved.

In some embodiments, the hydraulic brake includes a brake pad for synchronously applying positive pressure to both sides of the brake disc and a brake disc synchronously rotating with the spool. The brake disc is rigidly connected with the winding drum device, the brake is connected to the base, braking torque is provided by positive pressure between the brake and the brake disc, the brake is driven by oil pressure provided by the hydraulic oil pump, different positive pressures are obtained by changing the oil pressure, and different braking forces are obtained, so that the purpose of controllable blocking speed is achieved.

In some embodiments, the hydraulic brake is a single disc dry brake. The single-disc dry brake is in an open space, the brake and the brake disc are directly or indirectly connected to the base, air convection is smooth, heat dissipation performance is good, and a circulating cooling system is not required to be added; and the wear condition of the brake shoe is easier to detect in the open space, and the wearing part is easier to replace.

In some embodiments, the drum is disposed on a main axis of revolution, the arresting band is wound on the drum, and the arresting band is connected to the arresting cable.

In some embodiments, two ends of the rotary main shaft are respectively in rotary support through rotary supporting seats, and the rotary supporting seats are arranged on the base.

In some embodiments, one end of the swivel spindle is provided with a drive disc for driving the swivel spindle in reverse. The design is convenient for winding the blocking band on the winding drum after the blocking is finished.

In some embodiments, the hydraulic brake device comprises two hydraulic brakes, and the two hydraulic brakes are connected with the hydraulic pump through an oil pipe assembly. By using two hydraulic brakes, the braking force on the spool can be increased.

In some embodiments, two of the hydraulic brakes are symmetrically arranged with respect to the axis of the spool. The design can lead the stress of the brake disc to be better.

In some embodiments, the hydraulic brake device further comprises a brake oil station, the inlet of the hydraulic pump being in communication with the brake oil station.

In some embodiments, the oil pump motor is powered by a diesel generator. Therefore, the blocking system can be suitable for places without power grid power supply, such as the field.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. The hydraulic braking device of the unmanned aerial vehicle arresting system adopts an independent oil pump motor, the oil pump motor is connected with a hydraulic pump, the oil pump motor is powered by a diesel generator, compared with the existing braking mode, the rotating speed of the hydraulic pump is independent of the rotation of a winding drum device, the oil pump motor can provide continuous and controllable power, so that the hydraulic pump can provide enough and reliable braking oil pressure for the arresting system, the fluctuation of an oil pressure value is small, and the system is more stable;

2. The hydraulic brake adopts a single-disc dry brake, a brake disc is rigidly connected with a winding drum device, the brake is connected to a base, braking torque is provided by positive pressure between the brake and the brake disc, the brake is driven by hydraulic oil pump to provide oil pressure, different positive pressures are obtained by changing the oil pressure, and different braking forces are obtained, so that the aim of controllable blocking speed is fulfilled; the single-disc dry brake is in an open space, the brake and the brake disc are directly or indirectly connected to the base, air convection is smooth, heat dissipation performance is good, and a circulating cooling system is not required to be added; and the wear condition of the brake shoe is easier to detect in the open space, and the wearing part is easier to replace.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic top view of a novel braking system of the present utility model;

Fig. 2 is a schematic diagram of a braking mode of the spool device in the present utility model.

In the drawings, the reference numerals and corresponding part names:

1-arresting ropes, 2-winding drum devices, 21-winding drums, 22-arresting belts, 23-rotating main shafts, 3-unmanned plane runways, 4-hydraulic braking devices, 41-braking oil stations, 42-oil pump motors, 43-hydraulic pumps, 44-oil pipe assemblies, 45-braking brakes, 46-braking discs, 5-rotating supporting seats, 6-bases and 7-driving discs.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two), unless otherwise specifically defined.

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1 and 2, the novel braking unmanned aerial vehicle arresting system provided in the embodiment of the present application includes an arresting rope 1 and two drum devices 2, the arresting rope 1 is disposed along a direction crossing an unmanned aerial vehicle runway 3, the two drum devices 2 are respectively connected to two ends of the arresting rope 1, each drum device 2 includes a drum 21 and an arresting belt 22, each drum device 2 is provided with a hydraulic braking device 4, the hydraulic braking device 4 includes a hydraulic brake, a hydraulic pump 43 and an oil pump motor 42, the oil pump motor 42 drives the hydraulic pump 43 to rotate to supply oil to the hydraulic brake, and the hydraulic brake generates braking force to limit rotation of the drum 21.

The hydraulic pump 43 is driven by an independent oil pump motor 42, and compared with the existing mode of providing power by means of rotation of a winding drum device, the independent oil pump motor 42 can provide reliable and enough brake oil pressure for a blocking system, solves the problem that braking force is limited by a hydraulic pump power source, and improves the reliability and stability of the blocking system.

According to some embodiments of the application, the hydraulic brake comprises a brake 45 and a brake disc 46, the brake disc 46 rotates synchronously with the drum 21, the brake 45 being used to apply positive pressure synchronously to both sides of the brake disc 46. The brake disc 46 is rigidly connected with the winding drum device 2, the brake 45 is connected on the base 6, braking torque is provided by positive pressure between the brake 45 and the brake disc 46, the brake 45 is driven by oil pressure provided by the hydraulic pump 43, different positive pressures are obtained by changing the oil pressure, and different braking forces are obtained, so that the purpose of controllable blocking speed is achieved.

Specifically, the brake disc 46 is fixedly disposed on the main shaft 23 of the drum 21 by bolts, the main body of the brake 45 is fixedly disposed on the base 6, and two brake shoes in the brake 45 are respectively located on both sides of the brake disc 46. When the oil pump motor 42 drives the hydraulic pump 43 to rotate for supplying oil to the hydraulic brake, the hydraulic oil pushes two brake pistons in the brake 45 to synchronously act, and the brake pistons are used for pushing the brake shoes to the brake disc 46, so that the brake shoes are contacted with the brake disc 46 and positive pressure is generated, and the brake of the winding drum 21 is realized.

According to some embodiments of the application, the hydraulic brake is a single disc dry brake. The single-disc dry brake is in an open space, the brake 45 and the brake disc 46 are directly or indirectly connected to the base 6, air convection is smooth, heat dissipation performance is good, and a circulating cooling system is not required to be added; and the wear condition of the brake shoe is easier to detect in the open space, and the wearing part is easier to replace.

According to some embodiments of the application, the winding drum 21 is disposed on the rotating main shaft 23 such that the winding drum 21 rotates synchronously with the rotating main shaft 23, the arresting band 22 is wound on the winding drum 21, and the arresting band 22 is connected to the arresting cable 1.

According to some embodiments of the present application, two ends of the rotary main shaft 23 are respectively rotatably supported by rotary supporting seats 5, and the rotary supporting seats 5 are fixedly connected to the base 6 by bolts. In order to flexibly rotate the rotary main shaft 23, a bearing is provided in the rotary support base 5, and the end of the rotary main shaft 23 is supported by the bearing.

According to some embodiments of the application, one end of the main shaft 23 is provided with a driving disc 7, and the driving disc 7 is used for driving the main shaft 23 to rotate reversely. The design is convenient for winding the blocking band on the winding drum after the blocking is finished. Specifically, a driving motor may be disposed on the base 6 and connected with the driving disc 7 in a belt transmission or chain transmission manner, so as to drive the winding drum 21 to rotate reversely to retract the blocking belt.

According to some embodiments of the application, the hydraulic brake device 4 comprises two hydraulic brakes, which are connected to the hydraulic pump 43 by means of an oil line assembly 44, so as to communicate with an oil line. By using two hydraulic brakes, the braking force on the spool can be increased.

According to some embodiments of the application, the two hydraulic brakes are symmetrically arranged with respect to the axis of the drum 21. The design can lead the stress of the brake disc to be better. It will of course be appreciated that the number of hydraulic brakes may be arranged more depending on the actual amount of space above the foundation 6.

According to some embodiments of the application, the hydraulic brake device 4 further comprises a brake oil station 41, the inlet of the hydraulic pump 43 being in communication with the brake oil station 41. The hydraulic pump 43 is driven to operate by the rotation of the oil pump motor 42, so that the hydraulic oil in the brake oil station 41 is pumped into the hydraulic brake, and the brake 45 generates braking force to the brake disc 46.

According to some embodiments of the application, the oil pump motor 42 is powered by a diesel generator. Preferably, the diesel generator may be integrated in the unmanned aerial vehicle arresting system. Further, the diesel generator may be provided on the base 6. Therefore, the blocking system can be suitable for places without power grid power supply, such as the field.

The unmanned aerial vehicle arresting system in this embodiment works as follows: when the unmanned aerial vehicle hits the area, the fuselage couple is hung with blocking rope 1, drive blocking rope 1 and remove fast, thereby drive reel 21 rotation, simultaneously, control system control oil pump motor 42 drives hydraulic pump 43 and absorbs oil from the brake oil station 41, and carry high-pressure oil to brake 45 through oil pipe assembly 44, brake 45 exerts the braking force to brake disc 46, provide braking moment through the positive pressure between brake 45 and the brake disc 46, because the rotation main shaft 23 rigid connection at brake disc 46 and reel 21 center, therefore make reel 21 receive reverse damping, reach the purpose that makes unmanned aerial vehicle brake rapidly.

The power of the hydraulic pump 43 is provided by the independent oil pump motor 42, and the system is not limited by other systems, so that the reliability and stability of the system can be improved. The brake 45 and the brake disk 46 are directly or indirectly connected to the base 6, and are in an open space, so that air convection is smooth, and the heat dissipation performance is good; and the wear condition of the brake shoe is easier to detect in the open space, and the wearing part is easier to replace.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The utility model provides a novel unmanned aerial vehicle arresting system of braking mode, its characterized in that, including arresting rope and two reel devices, arresting rope sets up along the direction that spanes unmanned aerial vehicle runway, two reel devices connect respectively in arresting rope's both ends, every reel device includes reel and arresting belt, every reel device is equipped with hydraulic braking device, hydraulic braking device includes hydraulic brake, hydraulic pump and oil pump motor, oil pump motor drive the hydraulic pump rotates for hydraulic brake fuel feeding, hydraulic brake produces braking force in order to restrict the rotation of reel.

2. The novel braking unmanned aerial vehicle arresting system of claim 1 wherein the hydraulic brake comprises a brake pad and a brake disc, the brake disc rotates synchronously with the spool, the brake pad being configured to apply positive pressure synchronously to both sides of the brake disc.

3. The novel braking unmanned aerial vehicle arresting system of claim 2 wherein the hydraulic brake is a single disc dry brake.

4. The novel braking system of claim 1, wherein the spool is disposed on a main axis of rotation, the arresting belt is wound on the spool, and the arresting belt is connected to the arresting rope.

5. The novel braking unmanned aerial vehicle arresting system according to claim 4, wherein two ends of the rotary main shaft are respectively rotatably supported through rotary supporting seats, and the rotary supporting seats are arranged on the base.

6. The novel braking unmanned aerial vehicle arresting system according to claim 5, wherein a driving disc is arranged at one end of the rotary main shaft, and the driving disc is used for driving the rotary main shaft to rotate reversely.

7. The novel braking unmanned aerial vehicle arresting system of claim 1 wherein the hydraulic braking device comprises two hydraulic brakes, the two hydraulic brakes being connected to the hydraulic pump by an oil line assembly.

8. The novel braking unmanned aerial vehicle arresting system of claim 7 wherein two of the hydraulic brakes are symmetrically disposed about the axis of the spool.

9. The novel braking unmanned aerial vehicle arresting system of claim 1 wherein the hydraulic braking device further comprises a brake oil station, the inlet of the hydraulic pump being in communication with the brake oil station.

10. The novel braking system of claim 1, wherein the oil pump motor is powered by a diesel generator.