CN212422944U

CN212422944U - Position conversion device for fire rescue mooring unmanned aerial vehicle

Info

Publication number: CN212422944U
Application number: CN202021450978.5U
Authority: CN
Inventors: 杨志生; 张代兵; 吴正洪; 向绍华; 伍泽全; 吴刚
Original assignee: Changsha Yunzhihang Technology Co ltd
Current assignee: Changsha Yunzhihang Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-01-29
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a fire rescue moored unmanned aerial vehicle position conversion equipment, belong to the fire control technology field, be used for solving the inconvenient technical problem of maintenance, transportation and vanning of present moored unmanned aerial vehicle, the conversion equipment who adopts specifically includes the crank arm subassembly, first slewing mechanism, second slewing mechanism and is used for supplying the landing platform that moored unmanned aerial vehicle takes off and land, the one end of crank arm subassembly rotates through first slewing mechanism and installs in mooring unmanned aerial vehicle storage unit, the other end of crank arm subassembly then through the second slewing mechanism with the landing platform rotates and links to each other; the first rotating mechanism drives the crank arm assembly to rotate between an extending state and a retracting state, and the second rotating mechanism drives the lifting platform to rotate, so that the lifting platform is in a horizontal state when the crank arm assembly rotates. The utility model has the advantages of realize that the different positions of mooring unmanned aerial vehicle are nimble to be switched, and simple structure, safe and reliable.

Description

Position conversion device for fire rescue mooring unmanned aerial vehicle

Technical Field

The utility model relates to a fire control technical field refers in particular to a fire rescue moored unmanned aerial vehicle position conversion equipment.

Background

Along with the development of the world economy, the number of urban high-rise and super high-rise buildings is increasing, and once a fire disaster happens to a high-rise building with dozens of meters or even hundreds of meters, the fire-fighting problem can be met. At present traditional fire-fighting equipment such as high-pressure squirt, fire control aerial ladder, high altitude unmanned aerial vehicle all have as follows not enoughly:

(1) the traditional high-pressure water gun is difficult to reach more than 80 meters for fire extinguishing and fire rescue due to the water pressure, the structural weight of the aerial ladder and other reasons, and the existing aerial ladder fire truck is limited by the smooth degree of the area and the street, the fire fighting truck cannot arrive at a fire scene in the first time under many conditions; moreover, fire fighting is mainly carried out by firemen who are directly close to the fire scene, so that high danger is generated and unnecessary casualties are even caused sometimes;

(2) in the face of high-rise fire fighting, a plurality of fire trucks are sometimes required to perform combined operation, the preparation time is long, aerial ladders are adopted to perform high-rise rescue, and the aerial ladders are unfolded to have a slow process, so that the rescue response is slow;

(3) for the high-altitude unmanned aerial vehicle, in view of the performance parameters of the current battery, the unmanned aerial vehicle carries the load and the self weight required by fire extinguishment, the operation time length is limited, the load of fire extinguishment is less, the air operation time is short, and the air and the ground need to be reciprocated for many times; if the carried load is more, the air operation time is short, so the fire rescue unmanned aerial vehicle powered by the battery cannot carry out high-rise fire rescue operation for a long time under a large load, and the precious time of fire rescue is delayed;

(4) in the face of complex fire rescue situations, the traditional fire fighting mode is difficult to meet the diversified and configurable fire fighting requirements of window breaking, large-flow water spraying, dry powder spraying, foam spraying and the like;

(5) due to the limitation of the operation height, the traditional fire fighting means is difficult to provide emergency rescue equipment (such as gas masks, fire blankets, strong light flashlights, interphones and the like) for people trapped at high floors and in urgent need of rescue;

(6) the single-machine operation of the existing fire-fighting unmanned aerial vehicle can complete the fire-fighting operations such as dry powder spraying fire extinguishing, water spraying and the like, and the function of a fire-fighting rescue system is not fully established.

At present there is the technique that adopts mooring unmanned aerial vehicle to carry out the fire control and put out a fire, wherein mooring unmanned aerial vehicle then is located the fire engine when out of work, owing to often need carry out operations such as maintenance to mooring unmanned aerial vehicle, the event needs to shift mooring unmanned aerial vehicle on the fire engine to transport vehicle such as ground or trailer on, and then shift through artifical or lifting device etc. at present, it not only shifts inefficiency, the operation is improper moreover causes mooring unmanned aerial vehicle to fall etc. and cause the damage.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a fire rescue moored unmanned aerial vehicle position conversion equipment who simple structure, conversion are nimble and safe and reliable.

In order to solve the technical problem, the utility model provides a technical scheme does:

a position conversion device for a fire rescue mooring unmanned aerial vehicle comprises a crank arm assembly, a first rotating mechanism, a second rotating mechanism and a lifting platform for lifting the mooring unmanned aerial vehicle, wherein one end of the crank arm assembly is rotatably installed in a mooring unmanned aerial vehicle storage unit through the first rotating mechanism, and the other end of the crank arm assembly is rotatably connected with the lifting platform through the second rotating mechanism; the first rotating mechanism drives the crank arm assembly to rotate between an extending state and a retracting state, and the second rotating mechanism drives the lifting platform to rotate, so that the lifting platform is in a horizontal state when the crank arm assembly rotates.

As a further improvement of the above technical solution:

the crank arm assembly comprises a first crank arm and a second crank arm, one end of the first crank arm is connected with the first rotating mechanism, the other end of the first crank arm is rotatably connected with one end of the second crank arm, and the other end of the second crank arm is connected with the second rotating mechanism; and a telescopic piece is arranged between the first crank arm and the second crank arm.

The telescopic piece comprises a telescopic oil cylinder or a telescopic air cylinder or a telescopic electric cylinder.

The crank arm assembly comprises a Z-shaped crank arm.

First pivot mechanism includes first swing cylinder and first connecting plate, first swing cylinder is fixed in the mooring unmanned aerial vehicle storage unit, the output of first swing cylinder pass through first connecting plate with the one end of cranking arm subassembly links to each other.

The first swing cylinder is provided with a first position detection member for detecting a rotation angle of the first swing cylinder.

First rotation mechanism is including rotating seat, pivot, gear, rack, slide and telescoping cylinder, it is fixed in to rotate the seat on the unmanned aerial vehicle storage unit moors, the pivot fastening is in just rotate on the crank arm subassembly and install in rotate on the seat, the gear install in one side or both sides of pivot, rack slidable mounting in on the slide and with gear engagement, the flexible end of telescoping cylinder with the one end of rack links to each other, is used for the drive the rack is in slide on the slide.

The second rotating mechanism comprises a second swinging cylinder and a second connecting plate, the second swinging cylinder is fixed at the other end of the crank arm assembly, and the output end of the second swinging cylinder is connected with the lifting platform through the second connecting plate.

And a second position detection piece is arranged on the second swinging cylinder and used for detecting the rotation angle of the second swinging cylinder.

The second swinging cylinder is connected with the inclination angle sensor and is used for adjusting the rotating direction and the angle according to the detected inclination angle value.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a fire rescue mooring unmanned aerial vehicle position conversion equipment, through the cooperation of first slewing mechanism and second slewing mechanism, make rise and fall platform and crank arm assembly between form the linkage, and then realize the switching between container (or fire vehicle's carriage etc.) and ground position of mooring unmanned aerial vehicle on the platform that rises and falls, be convenient for mooring unmanned aerial vehicle's vanning, ground maintenance and transportation etc. work, can guarantee to rise and fall the platform all the time in the in-process of switching simultaneously and be in the horizontality, thereby guarantee the safety and stability of mooring unmanned aerial vehicle on the platform that rises and falls; the whole structure is simple, the position conversion is flexible, safe and reliable.

The utility model discloses a fire rescue moors unmanned aerial vehicle position conversion equipment sets up the crank arm subassembly to the multistage and the centre adds the extensible member, makes the position between each crank arm change through the flexible of extensible member, realizes the automatic switch-over of moor unmanned aerial vehicle between different positions, such as vanning position (the container is located the vehicle or subaerial) and ground, vanning position and trailer position (trailer position is higher than ground), or the switching between ground and the trailer position etc. to realize the seamless butt joint between work such as moor unmanned aerial vehicle vanning, ground maintenance, trailer transportation; the structure is simple, the operation is simple and convenient, and the realization is easy.

Drawings

Fig. 1 is a perspective view of a first embodiment of the device of the present invention.

Fig. 2 is a second perspective view of the device according to the first embodiment of the present invention.

Fig. 3 is a front view structural diagram of the position a of the device of the present invention in the second embodiment.

Fig. 4 is a perspective view of the position a of the device according to the second embodiment of the present invention.

Fig. 5 is a front view structural diagram of the position B of the device of the present invention in the second embodiment.

Fig. 6 is a side view of the device of the present invention in position B in the second embodiment.

Fig. 7 is a perspective view of the device of the present invention at position B in the second embodiment.

Fig. 8 is a perspective view of the device of the present invention at position C in the second embodiment.

Fig. 9 is a second perspective view of the device of the present invention in position C in the second embodiment.

The reference numbers in the figures denote: 1. a crank arm assembly; 101. a Z-shaped crank arm; 102. a first crank arm; 103. a second crank arm; 2. a first rotating mechanism; 201. a first swing cylinder; 202. a first connecting plate; 203. a rotating seat; 204. a rotating shaft; 205. a gear; 206. a rack; 207. a slide base; 208. a telescopic cylinder; 3. a second rotating mechanism; 301. a second swing cylinder; 302. a second connecting plate; 4. a landing platform; 401. a tilt sensor; 5. a telescoping member.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments.

The first embodiment is as follows:

as shown in fig. 1 and 2, the position conversion device for the fire rescue mooring unmanned aerial vehicle of the embodiment includes a crank arm assembly 1, a first rotating mechanism 2, a second rotating mechanism 3, and a landing platform 4 for the mooring unmanned aerial vehicle to take off and land, wherein one end of the crank arm assembly 1 is rotatably installed in a storage unit (such as a carriage of a fire fighting vehicle, a container, etc.) of the mooring unmanned aerial vehicle through the first rotating mechanism 2, and the other end of the crank arm assembly 1 is rotatably connected with the landing platform 4 through the second rotating mechanism 3; the first rotating mechanism 2 drives the crank arm assembly 1 to rotate between an extended state and a retracted state, and the second rotating mechanism 3 drives the landing platform 4 to rotate, so that the landing platform 4 is in a horizontal state when the crank arm assembly 1 rotates. Specifically, the crank arm assembly 1 comprises a Z-shaped crank arm 101, wherein when the Z-shaped crank arm 101 is in an extended state, the landing platform 4 is at a position on the ground or on a trailer or the like; when the Z-shaped crank arm 101 is in the retracted state, the landing platform 4 is located inside the carriage of the container or fire-fighting vehicle (in-box state); through the cooperation of above-mentioned first slewing mechanism 2 and second slewing mechanism 3 for take off and land platform 4 and crank arm subassembly 1 between form the linkage, and then realize the switching of mooring unmanned aerial vehicle on the platform 4 of taking off and land between container (or fire vehicle's carriage etc.) and ground position or trailer position, be convenient for mooring unmanned aerial vehicle's vanning, work such as ground maintenance transports, can guarantee simultaneously that the platform 4 of taking off and land is in the horizontality all the time at the in-process that switches, thereby guarantee the safety and stability of mooring unmanned aerial vehicle on the platform 4 of taking off and land. Of course, mooring unmanned aerial vehicle is fastened on landing platform 4 through corresponding fastening components, and its corresponding fastening components can adopt mounts such as hydraulic push rods to fix mooring unmanned aerial vehicle's fixed undercarriage. The whole structure is simple, the operation is simple and convenient, and the realization is easy.

As shown in fig. 1 and fig. 2, in this embodiment, the first rotating mechanism 2 includes a rotating base 203, a rotating shaft 204, a gear 205, a rack 206, a sliding base 207, and a telescopic cylinder 208, the rotating base 203 is fixed in the container, the rotating shaft 204 passes through and is fastened on the Z-shaped crank arm 101, wherein the rotating shaft 204 is rotatably installed on the rotating base 203, the two gears 205 are fixedly installed on two sides of the rotating shaft 204, a bottom surface of the rack 206 is slidably installed on the sliding base 207, a top surface of the rack 206 is engaged with the gear 205, and a telescopic end of the telescopic cylinder 208 is connected with one end of the rack 206 for driving the rack 206 to slide on the sliding base 207, and the gear 205 is driven to rotate by a linear motion of the rack 206, so that the rotating shaft 204 rotates the Z-shaped crank arm 101, thereby realizing a rotation of the Z-shaped crank arm 101 between. The first rotating mechanism 2 has simple structure and simple and reliable operation.

As shown in fig. 2, in the present embodiment, the second rotating mechanism 3 includes a second swing cylinder 301 (e.g., a spiral hydraulic swing cylinder) and a second connecting plate 302, the second swing cylinder 301 is fixed to the other end of the crank arm assembly 1, and the output end of the second swing cylinder 301 is connected to the landing platform 4 through the second connecting plate 302. Wherein, a second position detecting element (such as a position sensor, not shown in the figure) is arranged on the second swing cylinder 301, and is used for detecting the rotation angle of the second swing cylinder 301 to realize the monitoring of the rotation angle; meanwhile, the landing platform 4 is further provided with an inclination angle sensor 401 for detecting an inclination angle between the landing platform 4 and a horizontal plane. At Z type crank arm 101 at the wobbling in-process, the inclination between the platform 4 that rises and falls and the horizontal plane also can change this moment, through the inclination value that detects platform 4 and horizontal plane inclination, exceed certain limit (if 5 degrees) at the inclination value, the control corresponds second swing cylinder 301 and corresponds the angle at corresponding reaction swing to make platform 4 that rises and falls be in the horizontality all the time at the wobbling in-process of Z type crank arm 101, guarantee to take off and fall the security that unmanned aerial vehicle moored on platform 4.

Example two:

as shown in fig. 3 to 9, the present embodiment is different from the first embodiment in that: the first rotating mechanism 2 may also adopt the same structure as the second rotating mechanism 3, and specifically includes a first swing cylinder 201 (e.g. a spiral hydraulic swing cylinder) and a first connecting plate 202, the first swing cylinder 201 is fixed in the container, wherein the swing end of the first swing cylinder 201 is connected to one end of the Z-shaped curved arm 101 through the first connecting plate 202. In the swinging, the first swing cylinder 201 swings, and the Z-shaped crank arm 101 on the first link plate 202 is rotated between the extended state and the retracted state. In addition, a first position detecting element (e.g., a position sensor, not shown) is disposed on the first swing cylinder 201, and is used for detecting a rotation angle of the first swing cylinder 201, so as to monitor the rotation angle and ensure safety and reliability of rotation.

In this embodiment, the crank arm assembly 1 is composed of multiple crank arms, and specifically includes a first crank arm 102 and a second crank arm 103, wherein one end of the first crank arm 102 is connected to the first rotating mechanism 2, the other end of the first crank arm 102 is rotatably connected to one end of the second crank arm 103, and the other end of the second crank arm 103 is connected to the second rotating mechanism 3; a telescopic member 5 is arranged between the first crank arm 102 and the second crank arm 103. The telescopic part 5 can adopt telescopic mechanisms such as a telescopic oil cylinder, a telescopic air cylinder or a telescopic electric cylinder and the like. Specifically, above-mentioned crank arm subassembly 1 sets up the structure that extensible member 5 was add to multistage and centre, can be applicable to the switching between the different positions, like the switching between vanning position and the ground in the embodiment one, also can realize vanning position and trailer position (trailer position is higher than ground), if when the trailer position, can make the second crank arm 103 stretch out forward through the extension of extensible member 5 to adapt to the trailer position and be convenient for transport the handling such as to the mooring unmanned aerial vehicle that rises and falls on platform 4. Other details are the same as those in the first embodiment and are not described herein again.

In this embodiment, the swing of the second swing cylinder 301 may also be adjusted according to the rotation angle of the first swing cylinder 201. When the Z-shaped crank arm 101 rotates, the tilt angle between the landing platform 4 and the horizontal plane can be obtained through the rotation angle of the Z-shaped crank arm 101 and the known bending angle of the Z-shaped crank arm 101, so that the tilt angle value of the landing platform 4 can be obtained through the rotation angle of the first swing cylinder 201 detected by the first position detecting element, and the rotation adjustment of the second swing cylinder 301 can be realized, that is, the rotation of the second swing cylinder 301 is performed according to the rotation angle of the first swing cylinder 201.

As shown in fig. 3 and 4, the landing platform 4 and the tethered drone are in position a, i.e. the ground position, facilitating operations such as maintenance, transport, etc.; when the position switching is required, the lifting platform 4 is firstly operated to the position B, as shown in fig. 5-7, and is in a horizontal state; still further, the landing platform 4 and the tethered drone are in position C, the stowing position, as shown in figures 8 and 9. Of course, the above position switching device is on the vehicle, if on the ground, it is necessary to transfer the landing platform 4 and the tethered drone to the ground, then the telescopic member 5 needs to be extended to achieve the position adjustment, if there is interference between the landing platform 4 and the crank arm assembly 1, then it is possible to tilt the landing platform 4 properly without interference between the crank arm assembly 1 by adjusting the second turning mechanism 3. When switching between other different positions, the switching principle is followed.

The utility model discloses a fire rescue moored unmanned aerial vehicle position conversion equipment sets up crank arm subassembly 1 to the multistage and the centre adds extensible member 5, makes the position between each crank arm change through the flexible of extensible member 5, realizes the automatic switch-over of moored unmanned aerial vehicle between different positions, such as vanning position (the container is located vehicle or subaerial) and ground, vanning position and trailer position (trailer position is higher than ground), or switching between ground and the trailer position and so on, thereby realize the seamless butt joint between work such as moored unmanned aerial vehicle vanning, ground maintenance, trailer transportation; the structure is simple, the operation is simple and convenient, and the realization is easy.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. The position conversion device for the fire rescue mooring unmanned aerial vehicle is characterized by comprising a crank arm assembly (1), a first rotating mechanism (2), a second rotating mechanism (3) and a lifting platform (4) for lifting the mooring unmanned aerial vehicle, wherein one end of the crank arm assembly (1) is rotatably installed in a storage unit of the mooring unmanned aerial vehicle through the first rotating mechanism (2), and the other end of the crank arm assembly (1) is rotatably connected with the lifting platform (4) through the second rotating mechanism (3); the first rotating mechanism (2) drives the crank arm assembly (1) to rotate between an extending state and a retracting state, and the second rotating mechanism (3) drives the lifting platform (4) to rotate, so that the lifting platform (4) is in a horizontal state when the crank arm assembly (1) rotates.

2. A fire rescue moored unmanned aerial vehicle position conversion device as claimed in claim 1, wherein the crank arm assembly (1) comprises a first crank arm (102) and a second crank arm (103), one end of the first crank arm (102) is connected with the first rotating mechanism (2), the other end of the first crank arm (102) is rotatably connected with one end of the second crank arm (103), and the other end of the second crank arm (103) is connected with the second rotating mechanism (3); and a telescopic piece (5) is arranged between the first crank arm (102) and the second crank arm (103).

3. A fire rescue moored unmanned aerial vehicle position conversion device as claimed in claim 2, wherein the telescoping piece (5) comprises a telescoping oil cylinder or a telescoping air cylinder or a telescoping electric cylinder.

4. Fire rescue moored unmanned aerial vehicle position conversion equipment as claimed in claim 1, characterized in that, the crank arm assembly (1) comprises a Z-shaped crank arm (101).

5. A fire rescue moored unmanned aerial vehicle position conversion equipment as claimed in any of claims 1-4, characterized in that, the first rotating mechanism (2) comprises a first swing cylinder (201) and a first connecting plate (202), the first swing cylinder (201) is fixed in the moored unmanned aerial vehicle storage unit, the output end of the first swing cylinder (201) is connected with one end of the crank arm assembly (1) through the first connecting plate (202).

6. A fire rescue moored unmanned aerial vehicle position conversion equipment as claimed in claim 5, characterized in that, the first swing cylinder (201) is provided with a first position detection piece for detecting the rotation angle of the first swing cylinder (201).

7. Fire rescue moored unmanned aerial vehicle position conversion equipment according to any one of claims 1 to 4, it is characterized in that the first rotating mechanism (2) comprises a rotating seat (203), a rotating shaft (204), a gear (205), a rack (206), a sliding seat (207) and a telescopic cylinder (208), the rotating seat (203) is fixed on the storage unit of the mooring unmanned aerial vehicle, the rotating shaft (204) is fastened on the crank arm component (1) and is rotatably installed on the rotating seat (203), the gear (205) is arranged on one side or two sides of the rotating shaft (204), the rack (206) is arranged on the sliding seat (207) in a sliding way and is meshed with the gear (205), the telescopic end of the telescopic cylinder (208) is connected with one end of the rack (206) and used for driving the rack (206) to slide on the sliding seat (207).

8. A fire rescue moored unmanned aerial vehicle position conversion device as claimed in any one of claims 1-4, wherein the second rotating mechanism (3) comprises a second swing cylinder (301) and a second connecting plate (302), the second swing cylinder (301) is fixed to the other end of the crank arm assembly (1), and the output end of the second swing cylinder (301) is connected with the landing platform (4) through the second connecting plate (302).

9. A fire rescue moored unmanned aerial vehicle position conversion device as claimed in claim 8, wherein a second position detection piece is provided on the second swing cylinder (301) for detecting a rotation angle of the second swing cylinder (301).

10. A fire rescue moored unmanned aerial vehicle position conversion device as claimed in claim 8, further comprising an inclination sensor (401) for detecting an inclination angle of the landing platform (4) with a horizontal plane, the second swing cylinder (301) being connected to the inclination sensor (401) for adjusting a rotation direction and an angle according to the detected inclination value.