CN113639957A - Device platform for underwater launch test and installation and use method - Google Patents
Device platform for underwater launch test and installation and use method Download PDFInfo
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- CN113639957A CN113639957A CN202110825869.XA CN202110825869A CN113639957A CN 113639957 A CN113639957 A CN 113639957A CN 202110825869 A CN202110825869 A CN 202110825869A CN 113639957 A CN113639957 A CN 113639957A
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- 238000001035 drying Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
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Abstract
The invention provides a device platform for an underwater launching test and an installation and use method thereof, wherein each component of the device platform is independent and has a connection relationship and is composed of different parts, the appearance of the novel device platform is cylindrical on the whole, a window, a water inlet and outlet and a cable pipeline port are arranged on a water tank, a lifting platform in the water tank can lift and drop an underwater sliding guide rail and a launching device to different depths in the water tank, the underwater sliding guide rail can realize the transverse motion of the launching device under water, the influence of boat speed on the launching model test is researched, and a mechanical device with adjustable launching distance can adjust the distance between launching cylinders by using a linear motor, and the influence of the launching distance on the model test is researched. The water tank can be sealed, the interior of the water tank is pumped into a vacuum state, and the research on similarity of cavitation numbers in the underwater launching navigation body model test is carried out.
Description
Technical Field
The invention belongs to the field of research on underwater launching technical equipment of a navigation body, and particularly relates to a device platform for an underwater launching test and an installation and use method.
Background
The underwater vehicle has various complexities and uncertainties in the underwater launching navigation process, the underwater launching test of the underwater vehicle is directly carried out, the cost is high, and the effect of interference factor influence is not obvious, so that the underwater launching test of the vehicle scaling model is performed by reducing the length-diameter ratio of the submarine-launched missile according to the similarity theory, and the advantages are shown, and related research results can provide more experimental bases for the underwater vertical launching submarine-launched missile.
The test that launches the navigation body model under water needs the support of corresponding launcher platform, the constitution that is used for carrying on the device platform of launch test under water in the past mainly is the cuboid water tank, the water tank material is ya keli clear glass, be convenient for observe and take notes experimental phenomenon, the guide rail that slides under water is placed to the water tank inside, the launcher at launch canister place installs and can realize the sideslip motion on the guide rail that slides, launch canister bottom is connected with outside air feeder with the trachea simultaneously and is gone out the water motion in order to realize gaseous promotion navigation body model, the motion of guide rail under water is connected with the belt drive through the motor above with outside water tank and is realized, can accomplish the launch test under water after the water tank water injection. High-speed cameras are placed on the front face and the side face of the cuboid water tank to record the barrel-out movement phenomenon of the sailing body model, and the projectile body model is recovered after one launching test is completed and the preparation work of the next launching test is carried out.
The preliminary launch test research under water can be carried out to launch test device platform under water before, but also has the weak point simultaneously, does not have the tank lid like the cuboid water tank top of device platform, can not satisfy sealed experimental study's condition, when launching test under water at every turn, needs to find a big cushion lid on the water tank in order to prevent that the projectile body model from flying out and bring the injury. And after each model launching, the launching device in the whole water tank, including the underwater sliding guide rail, the launching tube and the like, needs to be lifted out of the water surface through a crane, so that the drying launching tube is cleaned, the sailing body model is refilled, and the sealing treatment is carried out. The underwater launching test device platform in the prior art is not provided with a lifting platform, the speed of the experiment is influenced, the water inlet and the water outlet of the water tank are inconvenient, and the sealing condition cannot be realized, so that a novel device platform is necessary to be designed for the research of the underwater launching test.
Disclosure of Invention
The technical problem solved by the invention is as follows: in order to solve the defects in the prior art, the invention relates to a device platform for an underwater launch test and an installation and use method.
The technical scheme of the invention is as follows: a device platform for an underwater launching test comprises an outer shell, a hoisting lifting platform, an underwater sliding mechanism and a mechanical device with an adjustable interval;
the hoisting lifting platforms, the underwater sliding mechanism and the distance-adjustable mechanical device are all positioned in the shell, the two hoisting lifting platforms are symmetrically connected to two sides of the underwater sliding mechanism, and the distance-adjustable mechanical device is positioned on the underwater sliding mechanism;
the hoisting lifting platform can drive the underwater sliding mechanism to move up and down;
the underwater sliding mechanism can drive the spacing-adjustable mechanical device to move transversely;
the distance-adjustable mechanical device comprises a plurality of launching tubes, and the distance between the launching tubes can be adjusted.
The further technical scheme of the invention is as follows: the hoisting lifting platform is longitudinally arranged along the outer shell and comprises a servo motor, a first snap ring, a motor base, a lifting screw rod, a first connecting ring, two lifting slide rods and two slide rod fixing bases; the servo motor is supported by the motor base, and the output end of the servo motor is connected with the lifting screw rod through a first clamping ring; the two lifting slide bars are symmetrically positioned at two sides of the lifting screw rod, two ends of the two lifting slide bars are respectively connected with the slide bar fixing seats, and the lifting screw rod is connected with the slide bar fixing seats through a first connecting ring; the lifting screw rod is provided with threads which are matched with one end of the underwater sliding mechanism through threads, so that the rotation of the lifting screw rod can be converted into the linear motion of the underwater sliding mechanism along the lifting screw rod.
The further technical scheme of the invention is as follows: the first connecting ring is positioned on the sliding rod fixing seat and is in bearing connection with the sliding rod fixing seat; two ends of the lifting screw rod penetrate through the inner ring of the first connecting ring and are in interference fit.
The further technical scheme of the invention is as follows: the underwater sliding mechanism is transversely arranged between the two hoisting lifting platforms along the outer shell and comprises a lifting sliding sleeve seat, a screw rod nut, a sliding guide rail, a sliding screw rod, a second connecting ring, a second clamping ring and a driving motor; the four lifting sliding sleeve seats are symmetrically distributed in pairs, a screw nut is arranged between the two lifting sliding sleeve seats on the same side, the lifting sliding sleeve seats are connected with the lifting sliding rod, and the screw nut is in threaded connection with the lifting screw rod;
two sliding guide rails and a sliding screw rod are arranged between the two groups of lifting sliding sleeve seats, the sliding screw rod is positioned between the two sliding guide rails, and the axes of the two sliding guide rails and the three sliding screw rod are parallel to each other; one end of each sliding guide rail is connected with the lifting sliding sleeve seat on one side through an end plate, the other end of each sliding guide rail is connected with one end of the motor supporting seat, and the other end of the motor supporting seat is connected with the lifting sliding sleeve seat on the other side; one end of the sliding screw rod is connected with the end plate through a second connecting ring, and the other end of the sliding screw rod is connected with the driving motor through another second connecting ring and the clamping ring in sequence; the sliding screw rod is provided with threads which are matched with the threads at the bottom of the interval adjustable mechanical device, and the axial rotation of the sliding screw rod is converted into the linear motion of the interval adjustable mechanical device along the sliding screw rod.
The further technical scheme of the invention is as follows: the underwater sliding mechanism further comprises a slide rail pillow which is positioned below the sliding guide rail and the sliding screw rod and plays a role in fixing.
The further technical scheme of the invention is as follows: the distance-adjustable mechanical device comprises a launching barrel, a linear motor, a screw rod, a launching base, a sliding rail connecting seat and a nut; the output end of the linear motor is connected with a screw rod, the screw rod is positioned in the transmitting base, and the screw rod is provided with external threads; the projectile body is arranged in the launching tube, the side surface of the launching tube is provided with an air inlet, and the bottom of the launching tube is provided with a threaded hole matched with the external thread of the screw rod; the two launching tubes are arranged on the launching base and are connected with the screw rod through threaded holes at the bottom, and when the screw rod is driven by the linear motor to move axially, the two launching tubes move oppositely or reversely, so that the distance between the launching tubes is adjustable; the emission base is connected with the sliding guide rail through the sliding rail connecting seat and connected with the sliding screw rod through the nut, and therefore transverse movement of the mechanical device with the adjustable distance is achieved.
The further technical scheme of the invention is as follows: the interval-adjustable mechanical device further comprises an emission module base plate, and the emission module base plate is located between the emission base and the slide rail connecting seat and plays a supporting role in supporting the emission base.
The further technical scheme of the invention is as follows: the outer shell comprises a steel barrel, a barrel cover, an annular lifting opening, a connecting assembly, a water inlet pipe opening, a cable pipeline, a supporting leg, a water outlet pipe opening, a screwing valve, a window assembly and a supporting plate; the top opening of the steel drum is sealed by a drum cover, and the bottom of the steel drum is stably supported by support legs; the barrel cover is provided with an annular lifting opening to facilitate opening and closing of the barrel cover, and the barrel cover is hermetically connected with the steel barrel through a connecting assembly; a window is arranged on the side surface of the steel drum, so that the progress of the test can be observed conveniently; the side wall of the steel barrel is respectively provided with a water inlet pipe orifice and a water outlet pipe orifice, the middle part of the steel barrel is provided with a sealed cable pipeline, the water outlet pipe orifice is provided with a screwing valve, and the cable pipeline is used for connecting a cable of the internal test device with external equipment.
The further technical scheme of the invention is as follows: the connecting component comprises a butterfly nut, a lifting eye bolt and a slipknot seat; the steel barrel and the barrel cover are connected through the lifting eye bolts, the lower half sections of the lifting eye bolts are rotatably connected with the slipknot seats on the steel barrel, the upper half sections of the lifting eye bolts penetrate through the barrel cover and then are fixed through the butterfly nuts, and the lifting eye bolts, the butterfly nuts and the corresponding slipknot seats which are matched with each other are distributed on the barrel cover in a plurality of groups in a uniform and circumferential mode.
The further technical scheme of the invention is as follows: the installation and use method of the device platform for the underwater launching test comprises the following steps:
step 1: the installation and the arrangement of the platform internal test device are completed before the test:
opening the barrel cover, placing a slide bar fixing seat below the lifting platform on the barrel bottom supporting plate, and connecting a lifting slide bar and a lifting screw rod on the slide bar fixing seat;
connecting lifting sliding sleeve seats and screw nuts on the left side and the right side of the underwater sliding mechanism to a lifting sliding rod and a lifting screw rod, and installing and hoisting a sliding rod fixing seat above a lifting platform after fixing the lifting sliding sleeve seats and the screw rod nuts at a height inside a water tank;
the extending part of the lifting screw rod is connected with a servo motor through a clamping ring, and a motor base and the servo motor are sequentially installed to complete installation of the hoisting lifting platform;
step 2: after the installation of the hoisting lifting platform is completed, the corresponding connected lifting sliding sleeve seats and screw nuts on the two sides of the underwater sliding mechanism are also installed, and then the middle part of the underwater sliding mechanism is installed:
firstly, mounting an end plate and a motor supporting seat on the right side, then sequentially connecting two sliding guide rails, connecting a middle sliding lead screw with the end plate by using a second connecting ring, simultaneously mounting a sliding rail connecting seat of the spacing-adjustable mechanical device on the sliding guide rails, and placing a small nut seat at the bottom of the spacing-adjustable mechanical device and a nut inside the spacing-adjustable mechanical device at corresponding positions through the sliding lead screw; a slide rail pillow pad is arranged below the sliding guide rail and the sliding screw rod; the driving motor is placed on the motor supporting seat, and the driving motor is connected with one end of the sliding screw rod through a clamping ring to complete the installation of the underwater sliding mechanism;
and step 3: the mechanical device with the adjustable installation distance comprises: the launching base is placed on the launching module base plate, the underwater motor adapter plate is installed on one side of the launching base, and one side of the underwater motor adapter plate is connected with the linear motor used as a power source for adjusting the launching interval of the navigation body; after the linear motor is installed, a screw rod penetrates through an underwater motor adapter plate to be connected with the motor, the bottom of the launching tube penetrates through the screw rod in sequence and is placed on the launching base, the distance between the launching tubes is adjusted through rotation of the screw rod, and installation of a distance-adjustable mechanical device is completed;
and 4, step 4: preparation of the multi-window water tank before the test was performed:
if the test does not require the sealing condition, the barrel cover of the steel barrel is not closed, firstly, an electric wire required by the test penetrates through the cable pipeline opening from the outside to be connected to a motor of an internal test device, the requirements of the motor for respective regulation are met, the cable pipeline opening is sealed after the electric wire is connected to ensure that water does not leak, then a screwing valve at the water discharge pipe opening is closed, water is injected into the water tank from a water inlet pipe opening, the water depth in the water tank is observed through a window of the water tank, and the water injection into the water tank is stopped after the depth reaches the requirements of the test;
after the early preparation work is finished, starting an underwater launching test, opening a barrel cover and recovering the model after launching the navigation body model each time, lifting the launching barrel out of the water surface by using a hoisting lifting platform, arranging the launching barrel, reloading the navigation body model and sealing the launching barrel, and then lowering the launching device into the water to enter the next launching test;
after the test is finished, opening a screwing valve on the water discharge pipe orifice to discharge water in the water tank, arranging the internal emission test device, placing the barrel cover on the water tank and covering the barrel cover;
if the influence of different water depths on launching needs to be researched, the depth of the launching device is adjusted by using the lifting platform, or the position of the launching device relative to the water tank is fixed, the purpose of depth adjustment is realized by injecting water into the water tank and discharging water, and the purpose of researching the influence of different launching distances on a launching test is achieved by using a linear motor and a lead screw on the launching device;
the cover of the water tank is covered, the steel barrel and the cover are fixedly connected through the matching of the suspension bolts and the butterfly nuts, the water inlet and outlet pipe openings and the cable pipe opening are sealed, the interior of the water tank is sealed, and the vacuum condition is formed to carry out launching test research with similar cavitation numbers.
Effects of the invention
The invention has the technical effects that: the invention has simple installation and operation and simultaneously improves the test efficiency. The box body can be integrally sealed, and besides underwater tests, a series of experimental researches in a vacuum environment or a closed environment can be carried out. The water inlet and outlet pipes are added, and the defect of difficulty in water inlet and drainage is overcome. The design of coupling assembling makes things convenient for opening and shutting of bung to and just guarantee sealed. The hoisting device can solve the defect that the whole underwater test device needs to be hoisted in the prior art, and only the hoisting device is needed to dry and carry out test post-treatment on the underwater test device. The distance adjustable device enables the distance between the launching tubes to be adjustable, and the defect that the distance between the launching tubes is adjusted manually in the prior art is overcome.
Drawings
FIG. 1 is a front view of the entire novel device platform
FIG. 2 is a top view of the novel device platform
FIG. 3 is a front view of a multi-window cylindrical tank
FIG. 4 is a schematic view of the parts at the junction of the steel drum and the drum cover on the water tank
FIG. 5 is a schematic view of a lifting platform
FIG. 6 is a partial detail view of the elevating platform
FIG. 7 is a schematic view of an underwater glide track
FIG. 8 is a schematic view of a firing gap adjustable mechanism
FIG. 9 is a schematic diagram of the internal device components of the novel device platform
Description of reference numerals: 1-a steel barrel, 2-a barrel cover, 3-a ring-shaped lifting opening, 4-a butterfly nut, 5-a lifting bolt, 6-a slipknot seat, 7-a water inlet pipe opening, 8-a cable pipe opening, 9-a cylindrical supporting leg, 10-a water outlet pipe opening, 11-a brass screwing valve, 12-a window glass, 13-a window cover, 14-a window, 15-a supporting plate (matched with a lifting platform), 16-a supporting plate (same as above), 17-a servo motor, 18-a snap ring, 19-a motor seat, 20-a slide rod fixing seat, 21-a connecting ring (above), 22-a lifting slide rod, 23-a lifting screw rod, 24-a lifting slide rod, 25-a slide rod fixing seat, 26-a connecting ring (below) and 27-a lifting slide sleeve seat, 28-lifting sliding sleeve seats, 29-screw rod nuts, 30-end plates, 31-sliding guide rails, 32-sliding rail pillows, 33-sliding screw rods, 34-connecting rings, 35-clamping rings, 36-motor supporting seats, 37-driving motors, 38-launching cylinders, 39-linear motors, 40-underwater motor adapter plates, 41-screw rods, 42-launching bases, 43-launching module base plates, 44-sliding rail connecting seats (four in all), 45-small nut seats and 46-nuts.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-9, the present invention is a novel device platform for underwater launch tests, the front view of the novel device platform is shown in fig. 1, and fig. 2 shows the appearance of the device platform when viewed from above. The device platform comprises four parts, namely a cylindrical multi-window water tank, a hoisting lifting platform, an underwater sliding guide rail and a mechanical device with adjustable launching distance, wherein each part is independent and comprises different parts, a novel device platform is formed jointly, and the research of underwater vertical launching tests is carried out.
The appearance of cylindrical multiwindow water tank is shown as figure 3, the main part of water tank is the steel drum, there is the bung at the water tank top, four cylindricality supporting legs in bottom remain stable, the design of bung upside surface has two annular to lift by crane the mouth and be convenient for opening and shutting of bung, pass through eyebolt between bung and the steel drum and connect, eyebolt's the lower half section is connected with the slipknot seat on the steel drum, the first half section passes behind the bung and fixes through butterfly nut, supporting eyebolt, butterfly nut and the corresponding slipknot seat twelve group totally, even distribution is on the round of circumference, the schematic diagram of bolt nut and slipknot seat is as figure 4. The side of the steel drum is provided with two windows, so that the test phenomenon can be conveniently observed and recorded, the bottom and the top of the side of the steel drum are respectively provided with a water outlet and a water inlet, the water outlet is provided with a screwing valve, the middle layer is arranged at the upper position, a cable pipeline port is formed, the whole water tank can be sealed when water is not injected, and the inside of the water tank is pumped into a vacuum state to complete related experimental research. In order to place the hoisting lifting platform, the upper part and the lower part of the inner wall surface of the steel drum are symmetrically provided with supporting plates. The size of the whole cylindrical water tank is preliminarily determined to be 1.2m of the radius of the steel drum and 2m of the height of the steel drum.
The form of the lifting platform is shown in figure 5. The top is servo motor, and its effect is that the lift lead screw in the middle of the drive rotates, and the lead screw will rotate and turn into the up-and-down motion of guide rail and the inside emitter of water tank that slides under water, and the motor relies on the motor cabinet support of below, and the motor cabinet is placed and is kept whole dress to hang lift platform's stability in the backup pad of the inside top of steel drum, is connected through the snap ring between motor below and the lift lead screw. The slide bar fixing seat at the top is arranged below the clamping ring, the left side and the right side of the slide bar fixing seat are respectively and fixedly connected with a lifting slide bar, the middle of the slide bar fixing seat is connected with a lifting screw rod through a connecting ring, the bottoms of the two lifting slide bars and the lifting screw rod are also connected with another slide bar fixing seat, the slide bars are fixedly connected with the fixing seat at the bottom, and the screw rod is connected with the fixing seat through another connecting ring. The bottom slide bar fixing seat is placed on a supporting plate below the inside of the steel drum to keep stable. Fig. 6 shows a clamping ring, a connecting ring below and a connecting ring above in turn in the lifting platform. The hoisting lifting platform device is symmetrically arranged inside a water tank for carrying out underwater launching tests, and an underwater sliding guide rail and a launching device are arranged between the hoisting lifting platforms.
The shape of the underwater sliding guide rail is shown in figure 7, the left side and the right side of the underwater sliding guide rail are symmetrically provided with a lifting sliding sleeve seat and a screw nut, wherein the lifting sliding sleeve seat is connected on a lifting sliding rod of a lifting platform, the screw nut in the middle of the two lifting sliding sleeve seats is connected with a lifting screw rod, and supports the whole sliding guide rail and a launching device on the guide rail to realize up-and-down motion. And the end plate is arranged on one side close to the right side of the lifting sliding sleeve seat and symmetrically exists on the underwater sliding guide rail to fix the whole underwater sliding guide rail. The middle part of the underwater sliding guide rail consists of two sliding guide rails and a sliding screw rod, the guide rails are fixedly connected with the end plates, the screw rod is connected with the end plates through a connecting ring, the screw rod is provided with threads, the rotation is converted into transverse motion, and a sliding rail pillow pad for fixing is arranged below the sliding guide rails and the screw rod. The other side of the sliding guide rail is still fixedly connected with the end plate, the sliding screw rod is connected with the end plate through a connecting ring, the difference is that the side is provided with a driving motor which provides power for the transverse movement of a launching device on the underwater sliding guide rail, the motor is kept stable by a motor supporting seat below, and the part of the sliding screw rod extending out of the end plate is connected with the driving motor through a clamping ring. The right side of the driving motor is symmetrically provided with a lifting sliding sleeve seat and a screw nut which are the same as those on the left side of the underwater sliding guide rail.
The shape of the mechanical device with the adjustable launching distance is shown in the attached figure 8, the linear motor is arranged on the leftmost side of the launching device, the motor provides power for adjusting the launching distance between the elastic bodies, and meanwhile, the linear motor is connected with the launching base through the underwater motor adapter plate to keep the stable state of the linear motor. The top of transmission base is two launching tubes, the navigation body model that corresponds the internal diameter size can be loaded to the inside of launching tube, the bottom of the launching tube passes the lead screw of being connected with linear electric motor, round trip movement realizes the purpose of interval regulation on the lead screw, the air inlet has still been opened to protrusion one side bottom of launching tube, pop out the launching tube through gaseous with the navigation body model when experimental after convenient, launching tube is detachable on emitter in addition, be convenient for clear up the launching tube and load the navigation body model. The rectangular launching module base plate is arranged below the launching base and used for supporting the whole launching base, four slide rail connecting seats are fixedly connected with the corners under the base plate, a small nut seat and a nut are connected with the center position, the four slide rail connecting seats are connected to a guide rail of an underwater sliding guide rail, the whole launching device is fixed to the sliding guide rail, the small nut seat and the nut are hollow, and a sliding screw rod penetrating through the underwater sliding guide rail drives the launching device to achieve transverse horizontal movement.
The test device composition in the water tank of the novel device platform for underwater launching test is shown in the attached figure 9, the hoisting lifting platform is arranged at the positions of two sides, the middle part of the hoisting lifting platform is provided with an underwater sliding guide rail and a launching device with adjustable space, two sides of the underwater sliding guide rail are connected with the hoisting lifting platform, and the lower part of the launching device is connected with the sliding guide rail. The lifting platform can realize the up-and-down motion of the underwater sliding guide rail and the launching device, the launching device can be lifted out of the water surface by the lifting platform during the test to finish the preparation work of filling the navigation body model and the like, the water surface is lowered, the depth under the water surface can be adjusted to carry out the launching test, the underwater sliding guide rail can realize the transverse motion of the launching device, and the test research on the underwater launching influence of the boat speed on the navigation body model is carried out.
The novel test rig platform of the present invention is further described below in the detailed description and the accompanying drawings.
When the novel device platform for the underwater launching test is used for the underwater launching test of the navigation body model, the specific use method is as follows:
(1) before testing, the installation preparation work of the platform of the novel device is firstly made, the barrel cover of the water tank is opened, and the installation and the arrangement of the testing device in the platform are firstly completed. Firstly, a lower sliding rod fixing seat of a lifting platform is placed on a supporting plate, a lifting sliding rod and a lifting screw rod are connected with the supporting plate, then lifting sliding sleeve seats and screw rod nuts on the left side and the right side of an underwater sliding guide rail are connected to the lifting sliding rod and the lifting screw rod, and the lifting sliding sleeve seats and the screw rod nuts are fixed at a height inside a water tank and then the upper sliding rod fixing seat is installed. The part that the lift lead screw stretches out is connected with servo motor through the snap ring, installs motor cabinet and motor in proper order, accomplishes the installation of dress lift platform.
(2) After the installation of the hoisting lifting platform is completed, the lifting sliding sleeve seats and the screw nuts on two sides of the underwater sliding guide rail which are correspondingly connected are also installed, then the middle part of the underwater sliding guide rail is installed, the end plate and the motor supporting seat on the right side are installed firstly, then the two sliding guide rails are connected in sequence, the middle sliding screw rod is connected with the end plate by the connecting ring, meanwhile, the sliding rail connecting seat of the launching device is installed on the sliding rail in advance, the small nut seat and the nut also penetrate through the sliding screw rod to be placed at the corresponding position, the launching module base plate of the launching device is connected with the small nut seat, and the sliding rail pillow is installed below the sliding guide rail and the screw rod. The driving motor is placed on the motor supporting seat, and the part extending out of the motor and the part extending out of the end plate of the sliding screw rod are connected through a clamping ring. And after all installation works are ready, the underwater sliding guide rail is installed.
(3) The installation process of the mechanical device with the adjustable launching distance is carried out next, when the underwater sliding guide rail is installed in the previous step, the slide rail connecting seat, the nut and the launching module base plate of the launching device are installed, then the installation work to be done is to place the launching base on the base plate, then the underwater motor adapter plate is installed on one side of the launching base, and one side where the motor adapter plate is installed is connected with the linear motor used as a power source for adjusting the launching distance of the navigation body. After the linear motor is installed, the screw rod penetrates through the underwater motor adapter plate to be connected with the motor, the bottom of the launching tube penetrates through the screw rod in sequence to be placed on the launching base, the bottom structure of the launching tube can ensure that the launching tube is fixed on the launching base, and the launching distance is adjusted through screw rod transmission. The installation of the mechanical device with the adjustable transmitting space is completed, so far, the installation of the internal test device of the novel device platform is completed.
(4) After the internal test device is installed, the preparation work of the multi-window water tank before the test is finished. If the test does not require the sealing condition, the barrel cover of the steel barrel can not be closed, firstly, an electric wire required by the test penetrates through the cable pipeline opening from the outside to be connected to a motor of an internal test device, the requirements of the motor for respective regulation are met, the cable pipeline opening is sealed after the electric wire is connected to ensure that water does not leak, then a screwing valve at the water discharge pipe opening is closed, water is injected into the water tank from the water inlet pipe opening, the water depth in the water tank is observed through a window of the water tank, and the water injection into the water tank is stopped after the depth meets the requirements of the test. After the early-stage preparation work of the underwater launching test is completed by utilizing the novel device platform, the underwater launching test is started, the barrel cover is opened after the sailing body model is launched at each time, the model is recovered, the hoisting lifting platform is utilized to lift the underwater launching device out of the water surface, the launching tubes are arranged, the sailing body model is reloaded and the launching tubes are sealed, then the launching device is lowered into the water, and the next launching test is carried out.
After the test is finished, the screwing valve on the water discharge pipe opening is opened, water in the water tank is discharged, the internal launching test device is arranged, and the barrel cover is placed on the water tank and covered well. If the influence of different water depths on the launching needs to be researched, the depth of the launching device can be adjusted by utilizing the lifting platform, the position of the launching device relative to the water tank can also be fixed, the purpose of depth adjustment is realized by injecting water and draining water into the water tank, and the purpose of researching the influence of different launching distances on a launching test is achieved by utilizing a linear motor and a lead screw on the launching device. The cover of the water tank is covered, the steel barrel and the cover are fixedly connected through the matching of the suspension bolts and the butterfly nuts, the water inlet and outlet pipe openings and the cable pipe opening are sealed, the interior of the water tank is sealed, and the vacuum condition is formed to carry out launching test research with similar cavitation numbers.
Claims (10)
1. A device platform for an underwater launching test is characterized by comprising an outer shell, a hoisting lifting platform, an underwater sliding mechanism and a mechanical device with adjustable space;
the hoisting lifting platforms, the underwater sliding mechanism and the distance-adjustable mechanical device are all positioned in the shell, the two hoisting lifting platforms are symmetrically connected to two sides of the underwater sliding mechanism, and the distance-adjustable mechanical device is positioned on the underwater sliding mechanism;
the hoisting lifting platform can drive the underwater sliding mechanism to move up and down;
the underwater sliding mechanism can drive the spacing-adjustable mechanical device to move transversely;
the distance-adjustable mechanical device comprises a plurality of launching tubes, and the distance between the launching tubes can be adjusted.
2. The device platform for the underwater launching test is characterized in that the hoisting and lifting platform is longitudinally arranged along the outer shell and comprises a servo motor (17), a first clamping ring (18), a motor base (19), a lifting screw rod (23), a first connecting ring, two lifting slide rods and two slide rod fixing bases; the servo motor (17) is supported by the motor base (19), and the output end of the servo motor (17) is connected with the lifting screw rod (23) through a first clamping ring (18); the two lifting slide bars are symmetrically positioned at two sides of the lifting screw rod (23), two ends of the two lifting slide bars are respectively connected with the slide bar fixing seats, and the lifting screw rod (23) is connected with the slide bar fixing seats through a first connecting ring; the lifting screw rod (23) is provided with threads and is in threaded fit with one end of the underwater sliding mechanism, so that the rotation of the lifting screw rod can be converted into the linear motion of the underwater sliding mechanism along the lifting screw rod.
3. The device platform for underwater launch tests of claim 2, wherein the first link ring is located on the slide bar holder and is in bearing connection with the slide bar holder; two ends of the lifting screw rod (23) penetrate through the inner ring of the first connecting ring and are in interference fit.
4. The device platform for underwater launch test of claim 1, wherein the underwater sliding mechanism is arranged between two hoisting lifting platforms along the lateral direction of the outer shell, and comprises a lifting sliding sleeve seat, a screw nut (29), a sliding guide rail (31), a sliding screw rod (33), a second connecting ring (34), a second clamping ring (35) and a driving motor (37); the four lifting sliding sleeve seats are symmetrically distributed in pairs, a screw nut (29) is arranged between the two lifting sliding sleeve seats on the same side, the lifting sliding sleeve seats are connected with the lifting sliding rod, and the screw nuts (29) are in threaded connection with the lifting screw rod (23);
two sliding guide rails (31) and a sliding screw rod (33) are arranged between the two groups of lifting sliding sleeve seats, the sliding screw rod (33) is positioned between the two sliding guide rails (31), and the axes of the two sliding guide rails and the sliding screw rod are parallel to each other; one end of each sliding guide rail (31) is connected with the lifting sliding sleeve seat on one side through an end plate, the other end of each sliding guide rail is connected with one end of the motor supporting seat (36), and the other end of the motor supporting seat (36) is connected with the lifting sliding sleeve seat on the other side; one end of the sliding screw rod (33) is connected with the end plate through a second connecting ring, and the other end of the sliding screw rod is connected with the driving motor through another second connecting ring and the clamping ring in sequence; the sliding screw rod (33) is provided with threads and is in threaded fit with the bottom of the interval-adjustable mechanical device, and the axial rotation of the sliding screw rod is converted into the linear motion of the interval-adjustable mechanical device along the sliding screw rod.
5. The device platform for underwater launch test of claim 4, wherein the underwater sliding mechanism further comprises a rail pillow (32) under the sliding guide rail (31) and the sliding screw rod (33) for fixing.
6. The device platform for underwater launch test of claim 1, wherein the spacing adjustable mechanical device comprises a launch canister (38), a linear motor (39), a lead screw (41), a launch base (42), a slide rail connection seat (44) and a nut (46); the output end of the linear motor (39) is connected with a screw rod (41), the screw rod (41) is positioned inside the emission base (42), and the screw rod (41) is provided with external threads; the launching tube (38) is internally provided with an elastomer, the side surface of the launching tube is provided with an air inlet, and the bottom of the launching tube is provided with a threaded hole matched with the external thread of the screw rod (41); the two launching cylinders (38) are arranged on the launching base (42) and are connected with the screw rod (41) through bottom threaded holes, and when the screw rod (41) is driven by the linear motor (39) to axially move, the two launching cylinders (38) move in the opposite direction or in the opposite direction, so that the distance between the launching cylinders is adjustable; the emission base (42) is connected with the sliding guide rail (31) through a sliding rail connecting seat (44) and is connected with the sliding screw rod (33) through a nut (46), and therefore the transverse movement of the mechanical device with the adjustable distance is achieved.
7. The device platform for underwater launching test as recited in claim 6, characterized in that the spacing adjustable mechanical device further comprises a launching module pad (43), and the launching module pad (43) is located between the launching base (42) and the slide rail connecting seat (44) and supports the launching base (42).
8. The device platform for underwater launch tests according to claim 1, characterized in that the outer casing comprises a steel drum (1), a drum cover (2), an annular lifting opening (3), a connecting assembly, a water inlet nozzle (7), a cable conduit (8), supporting legs (9), a water outlet nozzle (10), a screw-on valve (11), a window assembly and a supporting plate; the top opening of the steel barrel (1) is sealed through the barrel cover (2), and the bottom of the steel barrel (1) is stably supported through the support legs (9); the barrel cover (2) is provided with an annular lifting opening (3) which is convenient for the barrel cover (2) to open and close, and the barrel cover is hermetically connected with the steel barrel (1) through a connecting component; a window is arranged on the side surface of the steel barrel (1) to facilitate observation of the progress of the test; a water inlet pipe orifice (7) and a water outlet pipe orifice (10) are respectively arranged on the side wall of the steel barrel (1), a sealed cable pipeline (8) is arranged in the middle of the steel barrel, a screwing valve (11) is arranged at the position of the water outlet pipe orifice (10), and the cable pipeline (8) is used for connecting an internal test device cable with external equipment.
9. The device platform for underwater launch tests according to claim 8, characterized in that said connection assembly comprises a wing nut (4), an eye bolt (5) and a slipknot seat (6); the steel barrel (1) and the barrel cover (2) are connected through the lifting bolts (5), the lower half section of each lifting bolt (5) is rotatably connected with the slipknot seat (6) on the steel barrel (1), the upper half section of each lifting bolt penetrates through the barrel cover (2) and then is fixed through the butterfly nut (4), and the lifting bolts (5), the butterfly nuts (4) and the corresponding slipknot seats (6) which are matched with each other are distributed on the barrel cover (2) in a plurality of groups in a uniform and circumferential mode.
10. The method for installing and using the device platform for underwater launch test according to claim 1, comprising the steps of:
step 1: the installation and the arrangement of the platform internal test device are completed before the test:
opening the barrel cover, placing a slide bar fixing seat below the lifting platform on the barrel bottom supporting plate, and connecting a lifting slide bar and a lifting screw rod on the slide bar fixing seat;
connecting lifting sliding sleeve seats and screw nuts on the left side and the right side of the underwater sliding mechanism to a lifting sliding rod and a lifting screw rod, and installing and hoisting a sliding rod fixing seat above a lifting platform after fixing the lifting sliding sleeve seats and the screw rod nuts at a height inside a water tank;
the extending part of the lifting screw rod is connected with a servo motor through a clamping ring, and a motor base and the servo motor are sequentially installed to complete installation of the hoisting lifting platform;
step 2: after the installation of the hoisting lifting platform is completed, the corresponding connected lifting sliding sleeve seats and screw nuts on the two sides of the underwater sliding mechanism are also installed, and then the middle part of the underwater sliding mechanism is installed:
firstly, mounting an end plate and a motor supporting seat on the right side, then sequentially connecting two sliding guide rails, connecting a middle sliding lead screw with the end plate by using a second connecting ring, simultaneously mounting a sliding rail connecting seat of the spacing-adjustable mechanical device on the sliding guide rails, and placing a small nut seat at the bottom of the spacing-adjustable mechanical device and a nut inside the spacing-adjustable mechanical device at corresponding positions through the sliding lead screw; a slide rail pillow pad is arranged below the sliding guide rail and the sliding screw rod; the driving motor is placed on the motor supporting seat, and the driving motor is connected with one end of the sliding screw rod through a clamping ring to complete the installation of the underwater sliding mechanism;
and step 3: the mechanical device with the adjustable installation distance comprises: the launching base is placed on the launching module base plate, the underwater motor adapter plate is installed on one side of the launching base, and one side of the underwater motor adapter plate is connected with the linear motor used as a power source for adjusting the launching interval of the navigation body; after the linear motor is installed, a screw rod penetrates through an underwater motor adapter plate to be connected with the motor, the bottom of the launching tube penetrates through the screw rod in sequence and is placed on the launching base, the distance between the launching tubes is adjusted through rotation of the screw rod, and installation of a distance-adjustable mechanical device is completed;
and 4, step 4: preparation of the multi-window water tank before the test was performed:
if the test does not require the sealing condition, the barrel cover of the steel barrel is not closed, firstly, an electric wire required by the test penetrates through the cable pipeline opening from the outside to be connected to a motor of an internal test device, the requirements of the motor for respective regulation are met, the cable pipeline opening is sealed after the electric wire is connected to ensure that water does not leak, then a screwing valve at the water discharge pipe opening is closed, water is injected into the water tank from a water inlet pipe opening, the water depth in the water tank is observed through a window of the water tank, and the water injection into the water tank is stopped after the depth reaches the requirements of the test;
after the early preparation work is finished, starting an underwater launching test, opening a barrel cover and recovering the model after launching the navigation body model each time, lifting the launching barrel out of the water surface by using a hoisting lifting platform, arranging the launching barrel, reloading the navigation body model and sealing the launching barrel, and then lowering the launching device into the water to enter the next launching test;
after the test is finished, opening a screwing valve on the water discharge pipe orifice to discharge water in the water tank, arranging the internal emission test device, placing the barrel cover on the water tank and covering the barrel cover;
if the influence of different water depths on launching needs to be researched, the depth of the launching device is adjusted by using the lifting platform, or the position of the launching device relative to the water tank is fixed, the purpose of depth adjustment is realized by injecting water into the water tank and discharging water, and the purpose of researching the influence of different launching distances on a launching test is achieved by using a linear motor and a lead screw on the launching device;
the cover of the water tank is covered, the steel barrel and the cover are fixedly connected through the matching of the suspension bolts and the butterfly nuts, the water inlet and outlet pipe openings and the cable pipe opening are sealed, the interior of the water tank is sealed, and the vacuum condition is formed to carry out launching test research with similar cavitation numbers.
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