RU113423U1 - ARRANGEMENT AND SELECTION DEVICE FOR FLEXIBLE LONG TOWED ANTENNA - Google Patents

Abstract

A device for setting-sampling (UPV) of a flexible extended towed antenna (GPBA), containing a winch in the form of a drum with flanges and a drive for its rotation, a tubular storage in the form of a set of pipes interconnected with flanges, at the entrance of which a winch is installed, bypass rollers, a traction mechanical device with a tensioner, passing through the tubular storage and bypass rollers, technological gripper cuffs of the GPBA and a technological drum installed at the outlet of the tubular storage, characterized in that it is equipped with a return pipeline of a mechanical traction device, and one of the winch drum flanges is equipped with an additional compartment for rewinding a mechanical traction devices, while the traction mechanical device is made in the form of a cable passing through a tubular storage, bypass rollers and a return pipeline and with the help of a tensioner closed in a loop on the rim of the additional compartment, thrust bushings are installed on the cable with a step n, and the technological cuffs for grips are installed on the GPBA section, located in the tubular storage, and fixed along its length with an interval multiple of n, and the inner diameter of each technological gripping sleeve is equal to the minimum outer diameter of the GPBA, its outer diameter is less than the inner diameter of the tubular storage, the sum of the outer diameter of the technological gripping sleeve and the outer diameter of the thrust sleeve is greater than the inner diameter of the tubular storage, and the outer diameter of the GPBA and the outer diameter of the thrust sleeve are less than the inner diameter of the tubular storage, while the radius of the rim of the additional compartment is equal to the winding radius

Description

The utility model relates to hydroacoustic technology and relates to the creation of devices for setting and retrieving (UPV) flexible extended towed antennas (GPAA) in submarines and surface ships.

GPBA is intended for receiving hydroacoustic information, its preliminary processing and transmission to on-board equipment to form a fan of directivity and secondary processing. The towed antennas have a length significantly greater than the linear dimensions of the carrier ship and, with the help of a tug cable, are separated from the ship by a distance sufficient to reduce the level of their own ship interference. GPBA is usually assembled from antenna modules for technological reasons.

The necessary manipulations associated with the release and cleaning of gas-pressure balloons are carried out using setting and sampling devices (UPV). Such devices [Yu.A. Koryakin, S.A. Smirnov, G.V. Yakovlev, Ship hydroacoustic equipment, St. Petersburg, “Nauka”, 2004, p. 62] are intended for storage, etching at sea for work on the intended purpose, towing and reeling of GPBA after the end of work. As a rule, the UPV includes a winch, on the drum of which a cable-tug and GPBA are sequentially connected in one linear system, and, in some cases, an overpass for the GPBA, in which part of the GPBA is wound. This overpass is an extended cylindrical shell (tubular storage) through which the GPBA leaves the winch in the stream.

Known towed by the ship GPBA containing acoustic receivers of sound pressure and electronic devices for pre-processing and sealing information located inside a sealed hose shell filled with liquid or pseudo-liquid (gel) filler (RF patents No. 2136019 from 08.27.1999, No. 2229734 from 05.27.2004) . The length of such antennas can range from several tens to several hundred meters. Depending on the setting method and the type of towing vessel, such antennas are placed on the ship either on the UPV winch drum, or partially on the drum, and partly in the tubular storage providing evacuation (etching) of the GPBA from the winch when it is placed overboard. In a number of design solutions, the winch and tubular storage form a single sealing circuit, in a number of others - the winch and tubular storage are leaky. [Yu.A. Koryakin, S. A. Smirnov, G. V. Yakovlev, Ship hydroacoustic equipment, S. Petersburg, “Nauka”, 2004, p. 62]. For etching the antenna, a hydrodynamic method is used, in which an excess (relative to the external hydrostatic) pressure is created in the sealing circuit of the winch - the tubular storage, or only in the tubular storage. On GPBA, due to the presence of a pressure gradient in the water flow, a tractive effort arises, directed, like the flow, to the exit from the tubular storage [RF patent No. 2171197 from 01.24.2000]. When the winch is turned on for setting, GPBA is etched from the tubular storage.

However, when the pressure drop is created only in the tubular storage, the known setting method is effective only when the GPBA is completely in the tubular storage, and only its tow cable is located on the winch. A significant difference in the diameters of the GPAA (60-80 mm) and the tug cable (15-20 mm) and the significantly greater radial stiffness of the tug cable allows you to create an effective stuffing box seal at the inlet of the tubular storage [RF patent No. 2171197 from 01.24.2000] and provide when the pump is turned on, the traction necessary for setting the GPAA. At the same time, if the GPBA moving speed in the tubular storage is greater than or equal to the linear speed of the towing cable being drained from the winch, then the GPBA will be set up “tightly” and no slack will form on the towing cable still on the winch (“bays” "). Those. In this case, a prerequisite for the successful installation of the GPBA is (in addition to creating the necessary pulling force on the GPBA shell), providing a linear etching speed of the tug cable from the winch, less than or equal to the GPBA moving velocity in the tubular storage, determined by the pressure gradient when an excess pressure is created in it pressure. At the same time, the braking force due to the interference between the tug cable being removed from the winch should be less than the traction force on the GPAA.

With large GPBA apertures, when most of the GPBA is wound on the winch drum, and the smaller is in the tubular storage, problems arise in which the known method is difficult to implement for the following reasons. Unlike the tug cable for GPBA, it is not possible to install a packing gland, as this will lead to damage to the HPA membrane and the displacement of the functional nodes of the HPA within the membrane. Moreover, due to the lack of a single sealing loop, it becomes impossible to synchronize the time-varying linear speeds of the winding of the antenna from the winch and its movement under the action of a pressure gradient in the tubular storage.

Due to the lack of synchronization of the GPBA etching rates from the winch (V _GPBA ) and the V _POT flow rate in the tubular storage, in the case of V _GPBA > V _POT , the _GPBA’s “run-up” of sludges (“bay”), its bending and jamming at the entrance to the injector, as well as a GPBA kink when approaching the end flange .. At V _GPBA <V _POT , the traction force decreases, the winch slows down the setting and the GPBA stops in the tubular storage. Thus, the installation of GPBA using the described system, which does not have a common sealing circuit for the winch and tubular storage, is practically impossible.

The noted difficulties were partially eliminated in the device (US patent No. 5788222 dated 08/04/1998) for setting up and sampling GPBA antenna modules in a tubular storage, in which antenna modules are tested under high pressure. The GPBA antenna module is tens of meters long, while the GPBA is hundreds of meters

The device according to US patent No. 5788222 from 08/04/1998, are the closest analogues in technical solution to the proposed device and method

The pulling force on the antenna module GPBA e in this device is not created by the flow of water, but using a mechanical traction device.

Mechanical traction device includes a tubular storage formed from a set of pipes that are rigidly and hermetically connected to each other by flanges. The inner diameter of the extended tubular storage is larger than the outer diameter of the GPBA antenna module. Two winches are installed at the inlet and outlet of the tubular storage, each in the form of a drum with flanges and a rotation drive.

The nose end of the GPAA antenna module is attached to a friction-resistant flat ribbon, the width of the tape is sufficient to accommodate the GPAA antenna module on it, so that the total size of the tape thickness and the diameter of the GPAA in the cross section were smaller than the inner diameter of the tubular storage. The friction-resistant tape has a lateral flexibility sufficient to repeat the shape of the inner surface of the portion of the tubular storage with which it is in contact and prevents frictional contact of the GPBA antenna module with the inner surface of the tubular storage during pulling, and thereby protects it from scratches and damage. The tape is several inches shorter than the tubular storage. Prior to installation in a tubular storage, the GPBA antenna module is located on an extended roller tray.

Due to the force of gravity, the GPBA antenna module has contact with the surface of the traction belt and, when the winch rotates, due to the friction force, is pulled through the tubular storage. Depending on the operation (provision of the GPBA antenna module in the tubular storage or evacuation from it), one of the two winches is switched on, and the second is in the neutral position. A mechanical traction device is a tape passed through a tubular storage and two cables connected to it, one of which has a detachable connection (tensioner) that regulates the tension of the system, which drives the tape when winding or winding on the drum of the corresponding winch. The technological capture cuff on the tape of the mechanical traction device captures the bow (when tightening) or stern (when etching) connectors of the GPBA antenna module. Bypass rollers are installed on both ends of the tubular storage to facilitate the winding of cables on the drums of both independent winches.

Thus, the method of staging a sample of the prototype device includes the following operations:

- installation of the tape of the traction mechanical device in the tubular storage

- connection of end cables, prewound reels of setting and retrieval winches with tape ends

- creating an interference fit with a tensioner

- fixing the technological cuff capture on the tape of a mechanical traction device,

- manual inclusion of the winch setting the mechanical traction device and dragging the antenna module GPBA into the tubular storage

- manual inclusion of a winch of a sample of the traction device and the evacuation of the antenna module GPBA from the tubular storage

The main task to be solved by the prototype is to reduce the complexity of the operations of placing and retrieving the GPBA antenna module into a tubular storage, since in comparison with previous solutions, where at least 3 people were needed to manipulate the antenna. The operating mode of the winches is determined by one operator controlling the setting process using a foot drive.

The disadvantage of this device is the placement of the GPBA antenna module before installation in a tubular storage on an extended roller tray that is not connected with a staging-sampling device, the need to use two independent winches as a drive, and the need for manual mechanical fastening of the GPBA module to the traction conveyor belt for each manipulation. Another drawback of the prototype solution is the design of the mechanical traction device, which contains a flat ribbon and manually attached cables to it, which makes it impossible to use it for automatic hauling of ships on ships in various operating conditions, for example, under water.

The objective of the claimed invention is to remedy these shortcomings of the known technical solution, while the technical result is to enable staging-sampling of an extended GPBA through an unpressurized extended tubular storage using a mechanical traction device in automatic mode without mechanical mounting of the antenna to the transporting traction device and without the formation of a “harbor” resulting in damage to the GPA.

To ensure the technical result indicated, a flexible extended towed antenna (HBA) containing a winch in the form of a drum with flanges and a drive for its rotation, a tubular storage in the form of a set of interconnected pipe flanges, at the input of which a winch is installed, bypass rollers, a traction mechanical device with a tensioner passing through the tubular storage and bypass rollers, GPBA gripper cuffs and a process drum installed at the tubular outlet new signs have been introduced, namely: it is provided with a return pipe of the mechanical traction device, and one of the winch drum flanges is equipped with an additional compartment for rewinding the traction mechanical device, while the traction mechanical device is made in the form of a cable passing through the tubular storage, bypass rollers and return the pipeline, and with the help of a tensioner closed in a loop on the rim of the additional compartment, thrust bushings are installed on the cable with a step n, and technological grippers are installed veins on the GPBA section located in the tubular storage and fixed along its length with an interval multiple of n, the inner diameter of each technological capture cuff being equal to the minimum outer diameter of the GPBA, its outer diameter smaller than the inner diameter of the tubular storage, the sum of the outer diameter of the technological capture cuff and the outer diameter of the thrust sleeve is larger than the inner diameter of the tubular storage, and the outer diameter of the GPBA and the outer diameter of the thrust sleeve is smaller than the inner diameter of the tubular storage, When this additional radius equal to the radius of the rim cover the winding of the last layer GPBA on the winch drum, and a stream of the rim is perforated with a step n, and the dimensions of the perforations provide samples placing them in the thrust sleeves.

The main idea of the utility model is to create UPV, in which the antenna is pushed into the stream from the tubular storage using the thrust bushings of the mechanical traction device, which is driven by the UPV winch on which the GPAA is wound. On the rim of the additional compartment of the winch drum, two ends of the cable of the traction device, laid through the tubular storage and return pipe, are connected and connected by a tensioner into a closed loop. The rim of the additional compartment of the UPV winch serves as a drive (similar to a bicycle sprocket). When the UPV winch rotates, the thrust bushings of the mechanical traction device engage with the gripper technological cuffs mounted on the antenna and set the antenna in motion (similar to the links of the bicycle chain), moving it along the tubular storage into the stream, while the speed of the antenna being pulled from the winch and the speed of the mechanical traction device is synchronous, as they are driven by a common drive UPV winch. This eliminates the formation of a “bay”, malfunction of the UPV and provides automatic placement of the antenna from an unpressurized tubular storage into the stream.

The essence of the invention is illustrated in figure 1, 2, 3, where figure 1 shows the design of the proposed UPV, figure 2 shows a longitudinal section of a tubular storage with the joint movement along it of a cable of a mechanical traction device with thrust bushings and sections GPBA with technological cuffs , in Fig. 3, the cross section of the tubular storage, in Fig. 3 a) a section along AA and in Fig. 3 b) a section along BB.

The proposed UPV (Fig. 1) contains a winch drum 1 with flanges and a rotation drive, a tubular storage 2 in the form of a set of interconnected pipe flanges, a cable 4 of a mechanical traction device, on which stop bushings 10 are installed with n step. In one of the drum flanges 1, an additional compartment 9 is made for rewinding the cable 4. Perforation is performed in the flange 9 with a step n (not shown in FIG. 1), the samples of which correspond to the dimensions of the thrust bushings 10. The cable 4 is closed in a loop with a tensioner 5 made, for example, in in the form of a clamp. Part of the loop of the cable 4 is located in the tubular storage 2, and part, after the bypass rollers 3 in the return pipe 8. Section GPBA 7 with technological cuffs 6 capture is located in the tubular storage 2, and the rest of it is wound on the drum 1 of the winch Technological drum 11 with technological cable 12, installed at the outlet of the tubular storage 2.

The functioning of the proposed device is carried out as follows: before placing the UPV antenna winch 7 on the drum 1 on the rim of the additional compartment 9 of the drum 1, two ends of the cable of the traction device 4 are put through the tubular storage 2 and the return pipe 8 and connected by a tensioner 5 to a closed loop. The rim of the additional compartment 9, equipped with samples, acts as a drive similar to a bicycle sprocket. When the drum 1 rotates, the thrust bushings 10 mounted on the cable 4 (similar to the links of the bicycle chain) mesh with the rim of the additional compartment 9 and cause the cable 4 to move, moving it along the tubular storage 2.

During the first installation of GPAA 7, full GBAA is wound onto the drum 1 of the UPV winch, to the end of the GPBA 7 there is attached a technological cable 11, passed through the tubular storage 2 and secured by the second end to the technological drum 12 installed at the outlet of the tubular storage. The UPV winch in manual mode is turned on and, exhausting the interference fit, the process cable 11 onto the process drum 12, stock GPBA in the tubular storage. When GPBA is pushed from the winch drum to a length n, the winch is stopped, and at the entrance to the tubular storage 2, the gripper technological cuff 6 is mounted on the GPBA so that its front end relative to the winch mechanically contacts the rear end of the thrust sleeve 10 in relation to the winch, sequentially repeating the etching of the HPA from the drum 1 of the winch to a length of n. Cuffs 6 are secured to the GPBA section, which is in the normal mode in the tubular storage 2. When the GPBA is in the standard position in the tubular storage 2, the winch is turned off and the process cable 11 is disconnected from the GPBA, after which further GPBA settings and selections are carried out automatically .

When the winch is turned on, the thrust bushings 10 of the cable 4 of the mechanical traction device “push” the antenna 7 from the tubular storage 2 into the stream.

Since the radius of the rim of the additional compartment 9 of the mechanical traction device 4 is equal to the radius of the upper layer of GPAA 7, on the drum 1 of the winch, when the winch is turned on to position the antenna 7 in the stream, the linear speed of the cable 4 through the tubular storage 2 exactly corresponds to the linear speed of movement when winding with winches 1 of the first upper layer GPBA 7, because cable 4 and GPBA 7 are driven by a common drive - UPV winch and have one angular and linear speed. After the winch is turned on for etching, the mechanical traction device transports a portion of GPBA 7 equipped with cuffs 6 to the stream. Further setting is carried out practically without the participation of the mechanical traction device under the influence of hydrodynamic flow around the etched part of the GPBA 7, whose linear speed increases relative to the linear speed of the cable 4. Mechanical traction device does not interfere with the further formulation of GPBA 7 (figb) because the diameter of the GPAA 7 and the diameter of the cable 4 with the thrust bushings 10 are smaller than the inner diameter of the tubular storage 2. When sampling the GPAA 7, when part of the GPAA 7 with the technological grippers 6 installed on it returns, the movement of the cable 4 does not prevent the antenna from stocking. The return pipe 8 for the mechanical traction device can be laid regardless of the tracing of the tubular storage 2. Moreover, the implementation of the proposed mechanical method of setting and retrieving the GPBA allows its operation without using a hydraulic washing system, does not require the introduction of an additional winch to the mechanical traction drive to drive the mechanical traction devices and provides automatic synchronization of the etched GPA speed and the speed of the mechanical traction device roystva that prevents the formation of slack and overlaps the antenna on the winch.

Thus, the creation of a mechanical traction device, which is driven by an UPV winch, on whose drum a GPBA is wound, provides the task of automatic setting and selection of the GPBA, the task of automatically synchronizing the speeds of the GPBA and the mechanical traction device in the process of setting and selecting, provides a solution to the problem of setting the GPBA in unsealed tubular storage and eliminates the malfunction of UPV during the formulation and selection of GPBA.

Claims (1)

Arrangement-selection device (UPV) of a flexible extended towed antenna (GPBA), containing a winch in the form of a drum with flanges and a drive for its rotation, a tubular storage in the form of a set of interconnected pipe flanges, at the entrance of which a winch, bypass rollers, and a traction mechanical device are installed with a tensioner passing through the tubular storage and bypass rollers, GPBA gripping cuffs and a technological drum installed at the outlet of the tubular storage, characterized in that it is provided with a returnable mechanical traction device, and one of the flanges of the winch drum is equipped with an additional compartment for rewinding the traction mechanical device, while the traction mechanical device is made in the form of a cable passing through the tubular storage, bypass rollers and return pipe and with the help of a tensioner closed in a loop on the rim of an additional of the compartment, on the cable with a step n, thrust bushings are installed, and technological gripping cuffs are installed on the GPBA section located in the tubular storage, and fixed length along an interval that is a multiple of n, and the inner diameter of each technological capture sleeve is equal to the minimum external diameter of the GPAA, its external diameter is less than the internal diameter of the storage tube, the sum of the external diameter of the technological capture sleeve and the external diameter of the thrust sleeve is larger than the internal diameter of the storage tank, and the outer diameter of the GPAA and the outer diameter of the thrust sleeve is less than the inner diameter of the tubular storage, while the radius of the rim of the additional compartment is equal to the radius of the winding the last layer of GPAA on the winch drum, and the rim stream has perforation in increments of n, and the dimensions of the perforation samples provide the placement of thrust bushings in them.