CN219243010U

CN219243010U - Two-section sleeve telescopic lifting device

Info

Publication number: CN219243010U
Application number: CN202120223074.7U
Authority: CN
Inventors: 沈华栋; 杨卫国; 廖冬杰; 郑俊; 方元元; 李兵
Original assignee: SHANGHAI HAIXUN ELECTROMECHANICAL ENGINEERING CO LTD
Current assignee: SHANGHAI HAIXUN ELECTROMECHANICAL ENGINEERING CO LTD
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2023-06-23
Anticipated expiration: 2031-01-27

Abstract

The utility model provides a two-section sleeve telescopic lifting device, which comprises a gate valve (1) arranged at the bilge of a ship, wherein a transducer water tank (2) is arranged on the gate valve (1), a sealing guide cylinder (3) is arranged on the transducer water tank (2), an outer lifting sleeve (6) is nested in the sealing guide cylinder (3), a sealing guide sleeve (7) is arranged in the outer lifting sleeve (6), and an inner lifting sleeve (9) is nested in the sealing guide sleeve (7); the bottom of the inner lifting sleeve (9) is provided with a connecting flange (10), and the connecting flange (10) is connected with a replaceable transducer. The scheme can be achieved, the energy converter can be disassembled and assembled on the ship without water outlet, the two-section sleeve telescopic mode is adopted, a larger lifting stroke is achieved through the shorter lifting sleeve length, water cannot enter the cabin in the telescopic process, the device has a one-key automatic operation function, and in-place and stroke information can be sent to the upper layer system for display.

Description

Two-section sleeve telescopic lifting device

Technical Field

The utility model relates to the technical field of ship equipment, in particular to a telescopic lifting device for a two-section sleeve for receiving and releasing a ship underwater sound system transducer.

Background

The underwater acoustic system transducer on the ship works underwater, and in order to reduce the adverse effect of bubbles and the like on the bottom surface of the ship and nearby on the working of the transducer, the transducer needs to extend out of the bottom of the ship for a certain distance. The fixed transducer is always protruded out of the ship, so that the ship navigation is easily affected, and the maintenance is inconvenient, so that the transducer is lifted by adopting a lifting device, and the transducer can be retracted into the ship when not working. The existing common lifting device is single-section lifting, so that the total height is higher, and sometimes the installation height can be met only by penetrating through the deck on the upper layer, and difficulties are brought to arrangement and installation on a ship. The lifting device has the advantages that the lifting mode of the telescopic two sections of sleeves is adopted, the total height of the device is effectively reduced, the lifting device can adapt to ships with lower layer height, meanwhile, the lifting device is provided with the transducer box, the transducer can be disassembled and assembled in the box, and the maintenance of the transducer or the replacement of transducers of other types are facilitated.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art and provide a two-section telescopic lifting device.

The technical scheme of the utility model for solving the problems is as follows:

the two-section sleeve telescopic lifting device comprises a gate valve (1) arranged at the bilge of a ship, wherein a transducer water tank (2) is arranged on the gate valve (1), a sealing guide cylinder (3) is arranged on the transducer water tank (2), an outer lifting sleeve (6) is nested in the sealing guide cylinder (3), a sealing guide sleeve (7) is arranged inside the outer lifting sleeve (6), and an inner lifting sleeve (9) is nested in the sealing guide sleeve (7); the bottom of the inner lifting sleeve (9) is provided with a connecting flange (10), and the connecting flange (10) is connected with a replaceable transducer.

An inner sleeve spiral lifter (8) is arranged at the top of the outer lifting sleeve (6), and the inner sleeve spiral lifter (8) drives the inner lifting sleeve (9) to lift along the sealing guide sleeve (7).

A support (4) is arranged outside the sealing guide cylinder (3), an outer sleeve spiral lifter (5) is arranged at the top of the support (4), and the outer sleeve spiral lifter (5) drives an outer lifting sleeve (6) to lift along the sealing guide cylinder (3).

The gate valve (1) is provided with a proximity switch for directly detecting the flashboard of the valve in place. The approach switch can ensure that the flashboard is in place and is true, and an in-place signal of the approach switch is transmitted to the electric control system (11) to display the position state and participate in the interlocking protection function, so that the collision damage accident of the lifting sleeve and the valve flashboard caused by the operation of the descending action when the valve is not in place is prevented.

The transducer water tank (2) is provided with an openable box door, a glass observation window is arranged on the box door, and a protective cover is arranged on the glass observation window. After the box door is opened, the transducer can be disassembled and assembled, a glass observation window is arranged on the box door, and a protective cover is arranged on the glass observation window, so that water leakage cannot be caused even if the glass breaks. The door setting position detection switch transmits a closing signal to the electric control system (11) for display and participates in the chain protection function, so that the gate valve (1) is prevented from being opened when the door is not closed, and water leakage into the cabin is prevented. The box body is provided with an air-permeable, water-draining and fresh water flushing interface for draining the seawater in the water tank and cleaning the tank with fresh water.

The upper end and the lower end of the inner surface of the sealing guide cylinder (3) are provided with guide rings and sealing rings. The guide ring guides the outer lifting sleeve (6), and the sealing ring seals the outer surface of the outer lifting sleeve (6) and the guide cylinder (3) to prevent water leakage in lifting movement.

The screw rod of outer sleeve screw lift (5) is set up at support (4) top, and support (4) bottom sets up thrust bearing seat, and the bearing seat supports the screw rod of outer sleeve screw lift (5), support (4) back sets up two guide rails, the nut of outer sleeve screw lift (5) is installed on the carriage, and nut and carriage back and forth movement together.

The sliding frame is provided with a single-lug long-hole eye plate, the outer lifting sleeve (6) is provided with a double-lug eye plate, and the single-lug long-hole eye plate is connected with the double-lug eye plate through a slidable pin shaft. The requirement on the parallelism of installation between the support (4) and the sealing guide cylinder can be reduced.

Sealing rings are arranged at the upper end and the lower end of the inner surface of the sealing guide sleeve (7), and the sealing rings form sealing between the sealing guide sleeve (7) and the outer surface of the inner lifting sleeve (9). The seal prevents water leakage after the gate valve is opened and ensures the seal in the movement of the inner lifting sleeve.

The nut of the inner sleeve screw lifter (8) is floatingly arranged at the top of the inner lifting sleeve (9) to drive the inner lifting sleeve (9) to move up and down; the inner lifting sleeve (9) is internally provided with a through hole, the through hole penetrates through a cable of the transducer, a screw protection cylinder is arranged near the through hole, and the screw protection cylinder is sleeved outside a screw of the inner sleeve screw lifter (8) to provide limiting and protecting functions for the screw.

The connecting flange (10) adopts a buckle type connecting mode. The transducer can be conveniently disassembled and assembled from the front.

The automatic control device is characterized in that proximity switches for position induction are arranged on a gate valve (1), a transducer water tank (2), a bracket (4) and an outer lifting sleeve (6), rotary encoders are arranged on an outer sleeve screw lifter (5) and an inner sleeve screw lifter (8), and the induction proximity switches and the encoders are connected with an electric control system (11). The electric control system (11) adopts PLC control. The automatic lifting of one key can be realized, and the automatic lifting device has the status display of the valve switch, lifting position and the like, and performs linkage protection and alarm.

A proximity switch is arranged at the watertight box door. When the watertight door is opened, there is an alarm indication and the open valve operation is not effective at this time.

Proximity switches are provided at the open and closed positions of the valve. When the on-position signal is not available, the operation of the descending lifting rod is invalid, and when the on-position signal is not available, an alarm prompt is given.

Proximity switches are arranged at the lifting rod lifting position and the lifting rod lowering position. When the lifting rod is lifted to the proper signal is not available, the operation of closing the gate valve is not effective.

The electric control system (11) is provided with a communication interface. These in-place signals are uploaded to the upper layer system for display.

The beneficial effects of the utility model are that,

1. the bottom is provided with a gate valve and a transducer water tank, and the ship can replace, repair and maintain the transducer on the water surface.

2. The two-section sleeve is telescopic, and a larger lifting stroke is obtained by a shorter lifting sleeve length.

3. The screw lifter is used for driving the expansion and contraction, the screw lifter has certain self-locking capability, and meanwhile, the screw lifter is used for transmission by virtue of threads, so that the precision is ensured, and the positioning precision is high.

4. The nut of the screw lifter can float slightly, so that the requirement on installation accuracy is reduced, the side force possibly applied to the nut is reduced, and the abrasion of the nut is reduced.

5. The double-layer sealed watertight guide cylinder is adopted, and the watertight seal can be ensured in the telescoping process.

6. The transducer is fixed by adopting the plug-in lock catch, and the transducer can be quickly and conveniently disassembled from the front.

7. The device has a one-key automatic operation function, and can send in-place and travel information to an upper layer system for display.

Drawings

The utility model is described in detail below with reference to the drawings and the detailed description;

fig. 1 is an overall split schematic view of a lifting device according to the present utility model.

FIG. 2 is a schematic illustration of a split view of a middle gate valve and transducer tank according to the present utility model;

FIG. 3 is a schematic view of a seal cartridge according to the present utility model;

FIG. 4 is a schematic view of a split of the bracket and outer sleeve screw lift of the present utility model;

FIG. 5 is a schematic view of an outer sleeve screw elevator driven outer elevator sleeve according to the present utility model;

FIG. 6 is a schematic view of an inner sleeve screw elevator driven inner lifting sleeve in accordance with the present utility model;

figure 7 is a schematic illustration of a split guide sleeve of an outer lifting sleeve according to the utility model;

FIG. 8 is a schematic view of the structural subdivision of the inner lifting sleeve of the present utility model;

fig. 9 is a schematic view of a quick assembly disassembly of the connecting flange according to the utility model.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

The embodiment of the telescopic lifting device with two sleeves according to the utility model shown in fig. 1 comprises a gate valve 1 arranged at the bilge of a ship, a transducer water tank 2 is arranged on the gate valve 1, a sealing guide cylinder 3 is arranged on the transducer water tank 2, a support 4 is arranged outside the sealing guide cylinder 3, an outer sleeve screw lifter 5 is arranged at the top of the support 4, an outer lifting sleeve 6 is driven by the outer sleeve screw lifter 5 to lift along the sealing guide cylinder 3, a sealing guide sleeve 7 is arranged inside the outer lifting sleeve 6, an inner sleeve screw lifter 8 is arranged at the top of the outer lifting sleeve 6, an inner lifting sleeve 9 is driven by the inner sleeve screw lifter 8 to lift along the sealing guide sleeve 7, a connecting flange 10 is arranged at the bottom of the inner lifting sleeve 9, a transducer can be installed in the transducer water tank 2, and an electric control system 11 adopts PLC control, can realize one-key automatic lifting and has a valve switch, lifting position and the like state display.

As shown in fig. 2, the transducer water tank 2 is installed on the gate valve 1 by adopting a fastener, a sealing gasket 12 between the transducer water tank 2 and the gate valve can prevent water leakage from entering the cabin, a tank door 13 is arranged on one side of the transducer water tank, the transducer can be put in or taken out by opening the tank door, an annular groove is formed in the tank door 13, a sealing ring 14 is arranged in the tank door, water can be sealed in the transducer water tank 2, a glass observation window 16 with a seal is arranged on the tank door 13, the condition of water level in the transducer water tank 2 and the like can be observed, a protective cover 15 with a seal is arranged outside the glass observation window 16, water can be prevented from entering the cabin when the protective cover 15 is closed, the transducer water tank 2 is also provided with three ball valves 17, one at the bottom is used for draining water, one of the two tops is used for ventilation to accelerate the draining speed, and the other is used for accessing fresh water to clean the transducer and the transducer water tank 2.

As shown in fig. 3, the guiding sealing cylinder 3 is installed on the transducer water tank 2 by adopting a fastener, the guiding cylinder 3 is sealed by a sealing ring, water leakage into a cabin is prevented, a guiding ring 18 and a sealing ring 19 which can be taken out and maintained are respectively arranged at the upper end and the lower end in the sealing guiding cylinder 3, the guiding ring 18 can enable the outer lifting sleeve 6 to lift along the sealing guiding cylinder 3, sealing grooves are respectively formed in the inner ring and the outer ring of the sealing ring 19, and sealing rings are respectively formed with the outer surface of the outer lifting sleeve 6 and the inner surface of the sealing guiding cylinder 3 to prevent water leakage into the cabin after the gate valve is opened.

As shown in fig. 4, the outer sleeve screw lifter 5 is installed at the top of the bracket 4, the thrust bearing 21 is arranged at the bottom of the bracket to provide support and limit for the screw rod of the outer sleeve screw lifter 5 and reduce the swing of the screw rod, the nut 20 of the outer sleeve screw lifter 5 is installed on the sliding frame 23 by using a fastener, the sliding frame 23 is supported and guided by the guide rails 22 at two sides, thus the rigidity can be effectively improved, the shake of the nut 20 is reduced, and the single lug 24 is installed on the sliding frame 23 and can move up and down along with the nut 20 to drive the outer lifting sleeve 6.

As shown in fig. 5, the double ear seat 25 is connected with the outer lifting sleeve 6 by a fastener, the single ear seat 24 is provided with a long hole, the double ear seat 25 is provided with a round hole and penetrates into the pin shaft 27, the pin shaft 27 is also nested in the sliding block 26, the outer lifting sleeve 6 can axially move along with the nut 20, and because the sliding block 26 can slide in the long hole of the single ear seat 24, and meanwhile, a certain gap is reserved between the single ear seat 24 and the ear seat of the double ear seat 25, when the installation of the outer spiral lifter and the outer lifting sleeve is not parallel, certain compensation can be performed through the gaps, so that the sealing guide cylinder 3 is prevented from being blocked or excessively worn due to overlarge radial stress of the outer lifting sleeve 6.

As shown in fig. 6, the inner sleeve screw lifter 8 is mounted on the double ear seat plate 25 of the outer lifting sleeve 6, moves together with the outer lifting sleeve 6, the nut 28 of the inner sleeve screw lifter 8 is long waist-shaped and buried in the square hole of the cover plate 29 of the inner lifting sleeve 9, the inner lifting sleeve 9 can move up and down along with the nut 28 by being limited on the cover plate 29 through the pressing plate 30, the nut 28 can be prevented from being blocked or excessively worn due to the mounting position error of the inner sleeve screw lifter because the nut 28 can slightly move in the gap of the square hole, the through hole a of the transducer cable is opened on the cover plate 29, the cable can pass through the transducer cable, the bracket 31 is arranged at the periphery of the through hole a and used for fixing the cable tow chain to protect the cable, the guide long rail 32 is arranged at the inner side of the outer lifting sleeve 6, and the square groove is opened on the cover plate 29 and matched with the guide long rail 32, so that the inner lifting sleeve 9 can be prevented from rotating around the cylinder axis.

As shown in fig. 7, the lower end of the outer lifting sleeve 6 is provided with a sealing guide sleeve 32 for guiding the up-down movement of the inner lifting sleeve 9, the upper and lower parts of the sealing guide sleeve are respectively provided with a sealing ring, wherein the sealing ring 33 of the outer ring is sealed with the inner ring of the outer lifting sleeve 6, the sealing ring 34 of the inner ring is sealed with the outer ring of the inner lifting sleeve 9, after the gate valve is opened, water can be prevented from leaking into the cabin, and the sealing guide sleeve 32 can be detached from the lower end of the outer lifting sleeve 6 so as to be convenient for replacing the sealing ring.

As shown in fig. 8, the lower end of the inner lifting sleeve 9 is welded with a flange seat plate 35, the opening C on the flange seat plate 35 can pass through the transducer cable, the orifice has a larger chamfer D, the transducer cable can conveniently penetrate into the opening C from the upper side, the flange seat plate 35 is also provided with a support rod 36 for supporting the lower end of the protective sleeve 37, the upper end of the protective sleeve 37 is connected with the nut of the inner sleeve screw lift 9 and surrounds the screw of the inner sleeve screw lift 9, the lower end of the screw is provided with a nylon slide block 38, and the swinging of the lower end of the screw during operation can be reduced.

As shown in fig. 9, a quick connector 39 is mounted on the flange seat plate 35, a stepped hole is formed in the center of the quick connector, a transducer cable is passed through and the connecting flange 10 is centered, a threaded hole is formed in the front of the quick connector 39, a lock catch 40 can be fastened, inclined surfaces are formed on two sides of the quick connector 39 and matched with the inclined surfaces on the inner side of the lock catch 40, a sealing ring arranged at the upper end of the connecting flange 10 can be pressed on the lower surface of the quick connector 39 to form a seal, a cylindrical boss is arranged at the top of the connecting flange 10 and can be inserted into the stepped hole in the center of the quick connector to be positioned, the center opening hole can pass through the transducer cable, the upper end is designed to be square, the mounting angle of the transducer can not deflect, and after the connecting flange is firstly mounted on the transducer, the installation of the transducer can be rapidly completed by inserting or extracting the lock catch 40.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the patent claims is defined by the appended claims and their equivalents.

Claims

1. The telescopic lifting device for the two-section sleeve is characterized by comprising a gate valve (1) arranged at the bilge of a ship, wherein a transducer water tank (2) is arranged on the gate valve (1), a sealing guide cylinder (3) is arranged on the transducer water tank (2), an outer lifting sleeve (6) is nested in the sealing guide cylinder (3), a sealing guide sleeve (7) is arranged in the outer lifting sleeve (6), and an inner lifting sleeve (9) is nested in the sealing guide sleeve (7); the bottom of the inner lifting sleeve (9) is provided with a connecting flange (10), and the connecting flange (10) is connected with a replaceable transducer.

2. A two-section telescopic lifting device according to claim 1, characterized in that an inner sleeve screw lifter (8) is arranged at the top of the outer lifting sleeve (6), and the inner sleeve screw lifter (8) drives the inner lifting sleeve (9) to lift along the sealing guide sleeve (7).

3. The two-section telescopic lifting device according to claim 1, wherein a support (4) is arranged outside the sealing guide cylinder (3), an outer sleeve screw lifter (5) is arranged at the top of the support (4), and the outer sleeve screw lifter (5) drives the outer lifting sleeve (6) to lift along the sealing guide cylinder (3).

4. The telescopic lifting device with two-section sleeve according to claim 1, wherein the transducer water tank (2) is provided with an openable box door, a glass observation window is arranged on the box door, and a protective cover is arranged on the glass observation window.

5. The telescopic lifting device for the two-section sleeve according to claim 1, wherein guide rings and sealing rings are arranged at the upper end and the lower end of the inner surface of the sealing guide cylinder (3).

6. A two-section telescopic lifting device according to claim 3, wherein the top of the bracket (4) is provided with an outer sleeve screw lifter (5), the bottom of the bracket (4) is provided with a thrust bearing seat, the bearing seat supports a screw rod of the outer sleeve screw lifter (5), the back of the bracket (4) is provided with two guide rails, the bracket is provided with a sliding frame, the sliding frame is provided with a nut of the outer sleeve screw lifter (5), and the nut and the sliding frame move back and forth together.

7. The telescopic lifting device for the two-section sleeve according to claim 6, wherein the sliding frame is provided with a single-lug long-hole eye plate, the outer lifting sleeve (6) is provided with a double-lug eye plate, and the single-lug long-hole eye plate is connected with the double-lug eye plate through a slidable pin shaft.

8. The telescopic lifting device with two sleeves according to claim 1, wherein sealing rings are arranged at the upper end and the lower end of the inner surface of the sealing guide sleeve (7), and the sealing rings form a seal between the sealing guide sleeve (7) and the outer surface of the inner lifting sleeve (9).

9. A two-section telescopic lifting device according to claim 2, characterized in that the inner sleeve screw lift (8) is provided with a nut driving the inner lifting sleeve (9) up and down, the nut being floatingly mounted on top of the inner lifting sleeve (9).

10. A two-section telescopic lifting device according to claim 2, characterized in that the interior of the inner lifting sleeve (9) is provided with a through hole, the through hole passes through the cable of the transducer, a screw protection cylinder is arranged near the through hole, and the screw protection cylinder is sleeved on the screw of the inner sleeve screw lifter (8).

11. A two-section telescopic lifting device according to claim 1, characterized in that the connecting flange (10) is snap-fit.