Captive lifting device for aerostat

FIELD: aerostatics.

SUBSTANCE: proposed captive lifting device has three captive cables; first end section of each cable is secured to aerostat envelope and second end is connected with ground winch mechanism. Inclined bearing surfaces of device are located radially relative to aerostat pad center; they are inclined in direction from center of this pad outside. Each bearing surface is provided with carriage mechanism including the carriage and pressure roller located above carriage. Second end section of each captive cable is passed between pressure roller and carriage and is rigidly secured in upper part of inclined bearing surface. Each carriage is engageable with flexible transfer device which is used for control of motion of carriage over inclined bearing surface; this device includes drive pulley, driven pulley secured in upper part of inclined bearing surface and run of transmission which are oriented along inclined bearing surface.

EFFECT: increased service life of aerostat; enhanced stability of aerostat.

2 cl, 1 dwg

 

The invention relates to balloon technique, namely, devices, providing the ascent and descent tethered balloons with haziness shell natural form, adapted for meteorological equipment and environmental laboratory at the height of holiday destinations, accommodation information and promotional materials, etc.

Known tethered lifting device for a balloon, which include slings attached to the membrane of the balloon with the natural form, incorporated into a single node leash and tie the rope, one end of which is connected to the node a leash, and the second with a ground-based winch mechanism [see, for example, RU 1808766]or tie ropes, one end of each of which is connected to the node a leash, and the other one of the ground-based winch mechanisms placed on the balloon platform [see, for example, WO 03074356, WO 0066424].

The disadvantage of the considered structures is the low stability of the balloon in vertical and horizontal planes, due to the fact that the binding of the balloon toward the earth is at one point node leash that kept attached to the shell slings.

Known tethered lifting device for balloon [EN 2028249], which is selected by the authors as the closest analogue. This device has a tethered Tr is si, the upper ends of which are attached directly to the circular streamline the shell of the balloon and evenly distributed along its perimeter. The lower end of each cable is connected to one of the ground-based winch mechanisms placed on the balloon platform.

Consider the unit contributes to the stability of the position of the balloon, because the binding of the balloon to the ground is carried out at several points using a tethered cables, the opposite ends of which are secured to the balloon envelope and the space. However, in the process of ascent and descent of the balloon changing the angle of circumference of the shell upper sections of tie cables, which leads to wear of the material of the shell, and consequently, to decrease the life of the balloon.

The objective of the invention is to increase the life of the balloon while ensuring the stability of the position of the balloon during its ascent and descent.

The problem is solved in that the tie lifting device for a balloon containing at least three tie rope, one end section of each of which is attached to the membrane of the balloon, and the other is connected with the ground winch mechanism according to the invention contains placed on the balloon platform sloping support surface, the number of which corresponds to the icesto tie cables, these support surfaces are located radially relative to the center of the specified site and have a inclination in the direction from the center of the balloon site out, each support surface is Dobby mechanism, including installed to move up and down on the supporting surface of the carriage and a pressure roller located above the carriage, the second end section of each tie cable skipped between the pressure roller and the carriage and rigidly fixed in the upper part of the inclined support surface, with each carriage cooperates with the flexible transmission mechanism governing the movement of the carriage along the inclined support surface and including a drive pulley, which used drum ground winch mechanism, a driven pulley fixed in the upper part of the inclined support surface, and branch transfer, oriented along the inclined support surface in the area from its base to its top, one of which is connected to the opposite ends of the carriage, and the other passed through the carriage.

In the particular case of the complete device as a drum of each of the flexible transmission used one of the multiple sections of the drum ground winch mechanism, with each flexible gear the mechanism includes a pulley ground deflecting device, located at the base of the inclined bearing surface, with which the position of the branches pass from the oriented along the earth's surface in the area from the drum before the said pulley is changed to a position oriented along the inclined support surface in the area from the specified pulley to the upper part of the inclined support surface.

The principal difference between the claimed device from known devices is the presence of moving up and down the inclined bearing surfaces of the Dobby mechanisms that control the position of the tie cables, each of which one end section attached to the membrane of the balloon, skipped between the carriage and the pressure roller Dobby mechanism and the other end section rigidly mounted in the upper part of the inclined support surface. During this movement each Dobby mechanism operates ground-based winch mechanism through a flexible transmission.

In the inventive device depending on the position of the carriage on an inclined supporting surface changes the position of the clamp tie the rope to the surface, and, accordingly, changes the ratio of the lengths of the sections harness cable from the point it down to the points of fastening the opposite end sections on the shell and in the upper part of the support surface is the surface, this changes the height of the balloon relative to the surface of the earth, but remains the same angle of circumference of the shell of the balloon top sites tethered cables.

Use in the inventive device, at least three attached to the membrane tethered cables, each of which communicates with one of the inclined supporting surfaces located on the balloon platform radially relative to its center, the fixation of the position of the balloon relative to the earth at several points. Thus to achieve greater stability of the position of the balloon and ensure its uniform motion during ascent and descent, it is appropriate to tie the ends of the cables were evenly distributed around the perimeter of the membrane of the balloon, and support columns located on the balloon platform at the same distance from each other.

Thus, because the use of the claimed device remains the same angle of coverage of the end sections of the tie ropes membrane of the balloon decreases the wear of the material of the shell and increases the life of the balloon. In this case, due to the fact that the fixing position of the balloon relative to the earth is carried out at several points, the proposed device provides stability to the balloon in the vertical and the horizontal planes during its ascent and descent.

The best results from the standpoint of uniformity of the ascent and descent of the balloon is achieved in the case when the drum of each of the flexible transmission mechanisms that control the movement of the carriage, used one of the multiple sections of the drum ground winch mechanism. In this case provides full coordination of the movement of the carriages, and consequently, all tie cables have the same length produced or selected areas, thereby achieve uniform motion of the balloon. In order to transmit motion from the single sections of the drum for moving along the inclined surfaces of the carriages, each flexible gear mechanism includes a pulley ground deflecting device located at the base of the inclined bearing surface, with which the position of the branches pass from the oriented along the earth's surface in the area from the drum before the said pulley is changed to a position oriented along the inclined support surface in the area from the specified pulley to the upper part of the inclined support surface.

The drawing shows a General view of the claimed device.

The device contains three tethered cable 1, the ends 2 are made in the form of the frenulum of the three cables attached to the spherical shell 3 of the balloon and rawname is but distributed along its perimeter. The device also contains three vertical posts 4 (the drawing shows one of the racks), the lower ends of which are mounted on the balloon platform 5. To said uprights 4 are rigidly attached to the inclined support surface 6 located radially relative to the center balloon platform 5 at the same distance from each other and having a slope in the direction from the center of the specified areas 5 to the outside. Mount the inclined supporting surfaces 6 to the racks 4, in particular, carried out by bonding the upper parts of these elements with each other, the Lower portions of the inclined supporting surfaces 6 fixed on the ground.

On each inclined support surface 6 is Dobby mechanism 7 including installed to move up and down at a specified reference surface 6 of the carriage 8 and the presser roller 9, is placed over the carriage 8. The second end section of each tie cable 1 skipped between the pressure roller 9 and the carriage 8 and is rigidly fixed in the upper part of the inclined support surface 6. Each carriage 8 communicates with the flexible transmission mechanism governing its movement along the inclined support surface 6. This mechanism includes a drive pulley, which used one of the sections 10 multiple drum 11 ground winch mechanism, Adamy pulley 12, attached to the upper inclined bearing surface 6, the pulley 13 ground deflecting device located at the base of the inclined support surface 6, and the branches 14 and 15 of the flexible transmission. The branches 14 and 15 of the flexible transmission section from the drum 11 to the pulley 13 is oriented along the earth's surface, and the section from the pulley 13 to the pulley 12 is oriented along the inclined support surface 6. With the branch 14 of the flexible transmission connected to the opposite ends of the carriage 8, and the other branch 15 of the flexible transmission passed through the carriage 8.

On the balloon platform 5 is a landing platform 16.

The device operates as follows.

When the balloon landing on the platform 16 of the carriage 8 are in the lower position on the inclined abutment surfaces 6 and tie cables 1 press the balloon to the platform 16. When turning on the drum 11 spawanie tie cables 1 the ends of the branches 14 of the flexible transmission, which is attached to the lower ends of the carriages 8, weaken, and the ends of the branches 14 of the flexible transmission, which is attached to the upper ends of the carriages 8, pulling them up the inclined bearing surfaces of b until it stops. While tethered cables 1 are released and under the action of aerostatic forces the balloon goes up.

When turning on the drum 11 by setting the tie cables 1 the ends of the branches 14 of the flexible transmission that PR is defined to the upper ends of the carriages 8, weaken, and the ends of the branches 14 of the flexible transmission, which is attached to the lower ends of the carriages 8, pulling them down on the bearing surfaces 6 until it stops. While tethered cables 1 are selected, pulling the balloon down and press it towards the landing platform 16.

1. Tie lifting device for a balloon containing at least three tie rope, one end section of each of which is attached to the membrane of the balloon, and the other is connected with the ground winch mechanism, characterized in that the device comprises posted on the balloon platform sloping support surface, the number of which corresponds to the number of tie cables, above a support surface located radially relative to the center of the specified site and have a inclination in the direction from the center of the balloon site out, each support surface is Dobby mechanism, including installed to move up and down on the supporting surface of the carriage and the pressure roller, located above the carriage, the second end section of each tie cable skipped between the pressure roller and the carriage and rigidly fixed in the upper part of the inclined support surface, with each carriage cooperates with the flexible transmission mechanism governing the movement of the carriage along the inclined oporn the first surface and including a drive pulley, which used drum ground winch mechanism, a driven pulley fixed in the upper part of the inclined support surface, and branch transfer, oriented along the inclined support surface in the area from its base to its top, one of which is connected to the opposite ends of the carriage, and the other passed through the carriage.

2. The device according to claim 1, characterized in that as the drum of each of the flexible transmission used one of the multiple sections of the drum ground winch mechanism, with each flexible gear mechanism includes a pulley ground deflecting device located at the base of the inclined bearing surface, with which the position of the branches pass from the oriented along the earth's surface in the area from the drum before the said pulley is changed to a position oriented along the inclined support surface in the area from the specified pulley to the upper part of the inclined support surface.



 

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