CN214661688U - Damping buffer for laying and recovering operation of submersible - Google Patents

Abstract

The utility model provides a damping buffer for operation is retrieved in diving ware cloth, a serial communication port, at the uncompressed initial position of damping buffer, the annular boss right flank of dish spring director two (3) is blocked by the left end face of locking adjusting washer (5), the guide ring right-hand member face of dish spring director (8) is blocked by the left end face of guide bush (10), dish spring (13) this moment, dish spring two (14) have precompression power, the guide cylinder of dish spring director (8) stretches out outside the right-hand member of guide bush (10). The utility model discloses a damping buffer adopts the buffer structure of second grade dish spring, and the buffering is inhaled the shock-absorbing capacity and is strong, and the cloth that is applicable to manned submersible under the abominable sea condition is put and is only swung with the buffering in retrieving.

Description

Damping buffer for laying and recovering operation of submersible

Technical Field

The utility model belongs to the technical field of the damping buffering is put to ocean engineering equipment cloth, concretely relates to a damping buffer that is used for recovery operation is put to scuba cloth.

Background

The manned submersible mainly executes tasks of underwater investigation, geological exploration, sample collection, pipeline maintenance, salvaging and lifesaving and the like. In deep diving operation, the laying and the recovery of the manned submersible are important work flows. In the process, the submersible is influenced by the sea state of the operation area to generate swing and impact, the safety of the underwater vehicle is seriously threatened, and the working strength of operators is increased. Therefore, a buffer damper is generally arranged between the submersible and the distributing device, so that the influence of environmental load on the system is reduced, the environmental adaptability and reliability of the distributing device are improved, and automatic butt joint and interlocking under high sea conditions are met.

In the prior art, a hydraulic buffer damper is mainly adopted, the structure is complex, the reliability is low, and hydraulic oil stains have great influence on the marine environment. The conventional spiral spring type buffer damper generally adopts a spring with large rigidity, so that the stroke is short, the rigidity of the spring is small when the stroke is long, and the impact environment of high strength and large stroke for laying and recycling the manned submersible is difficult to meet. In the prior art, a purely mechanical buffer damper suitable for laying and recycling the manned submersible is not available in reference to domestic and foreign documents.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping buffer for operation is put to dive cloth and is retrieved adopts the buffer structure of second grade dish spring, and buffering shock-absorbing capacity is strong, and the buffering damping stroke is long, and pure mechanical type buffering damping structure does not produce the pollution to marine environment, and the buffering that is applicable to manned dive under the adverse sea condition is put and is retrieved stops swinging.

The utility model relates to a damping buffer for the laying and recovery operation of a submersible, which comprises a cylinder cover, a disc spring gasket, a disc spring guider II, a guide bearing II, a stop adjusting gasket, a guide rod bushing, a cylinder body component, a disc spring guider I, a guide bearing I, a guide bushing, a guide rod, a sealing ring, a disc spring I and a disc spring II, and is characterized in that,

the cylinder body component is formed by butt joint of a cylindrical left cylinder body and a cylindrical right cylinder body with openings at two ends,

the stop adjusting washer is of a ring-sheet structure and is arranged between the left cylinder body and the right cylinder body,

the left end opening of the left cylinder body is sealed by the cylinder cover,

the left end of the disc spring washer is fixedly arranged on the inner surface of the cylinder cover,

the outer wall of the disc spring guider is provided with an annular boss, the second axial direction of the disc spring guider is provided with a through stepped hole, the diameter of the left inner cylindrical surface of the stepped hole is larger than that of the right inner cylindrical surface,

the disc spring II is arranged in a hole of an inner cylindrical surface with a larger diameter at the left side of a stepped hole of the disc spring guider II, the right end of the disc spring II is propped against the stepped surface of the stepped hole, the left end of the disc spring II is propped against the right end of a disc spring gasket,

the second guide bearing is arranged on the outer cylindrical surface of the annular boss of the disc spring guider,

the disc spring guider II can slide on the cylindrical surface in the left cylinder body through the guide bearing II, the right side surface of an annular boss of the disc spring guider II is blocked by the left end surface of the stop adjusting gasket at the uncompressed initial position of the damping buffer, and the disc spring II has pre-compression force at the moment,

the left end of the guide bush is inserted into the right end opening of the right cylinder body and is fixedly installed with the right cylinder body,

the disc spring guider I comprises a guide ring, a guide cylinder and a stop block, the guide ring is sleeved on the outer cylindrical surface of the guide cylinder and fixed with the guide cylinder, the stop block is fixedly arranged in the guide cylinder close to the right end of the guide cylinder, the guide bushing is sleeved on the guide cylinder, the outer diameter of the guide cylinder is matched with the inner diameter of the through hole of the guide bushing and can slide relatively, the guide cylinder and the guide bushing are sealed by the sealing ring,

the left end of the guide rod is inserted into the right end opening of the second step hole of the disc spring guider, the guide rod can slide in the step hole through a guide rod bushing fixed at the right end opening of the step hole, the right end of the guide rod is inserted from the left end of the first guide cylinder of the disc spring guider and is fixed with the stop block,

the disc spring is sleeved on the guide rod, the left end of the disc spring I is propped against the left end of the disc spring guide device II, the right end of the disc spring I is propped against the stop block of the disc spring guide device I,

the guide bearing I is arranged on the outer cylindrical surface of the guide ring of the disc spring guide I,

the first disc spring guider can slide on the inner cylindrical surface of the right cylinder body through the first guide bearing, the right end face of a guide ring of the first disc spring guider is blocked by the left end face of the guide bushing at the uncompressed initial position of the damping buffer, the first disc spring has pre-compression force at the moment, and a guide cylinder of the first disc spring guider extends out of the right end of the guide bushing.

Further, the material of the second guide bearing, the first guide bearing and the guide rod bushing is MC cast nylon.

The utility model has the advantages that 1) the damping buffer for the laying and recovery operation of the submersible adopts the disc spring as the powerful buffer and the damping spring, has large rigidity and strong buffering and vibration absorbing capacity, and meets the requirements of butt joint, buffering and oscillation stopping of the submersible under severe sea conditions; 2) the two-stage disc spring buffering is adopted, an ideal load displacement curve can be obtained more easily, the first-stage disc spring and the second-stage disc spring are supported by the guide bearing, the guide bearing and the guide bush at three points, the structure is simple, and the axial motion is stable; 3) the whole structure is purely mechanically buffered, and a lubrication-free bearing is adopted, so that no pollutant is generated to the marine environment; 4) the cylinder body is divided into two parts for butt joint, so that the assembly of each part of the whole buffer is facilitated, the complexity of each part can be reduced, and the processing is convenient. The mounting flange of the cylinder cover of the buffer damper is correspondingly connected with six groups of through holes and six groups of threaded holes, and the stop adjusting washer and the cylinder cover of the buffer damper are pre-compressed with the disc spring II through six groups of counter bore bolts and then pre-compressed with the disc spring I through six groups of through hole bolts of the flange on the cylinder body of the buffer damper. The initial pretightening force of the secondary disc spring buffer assembly can be adjusted by adjusting the thickness of the stop adjusting washer; 5) the first disc spring guider and the guide rod in the first-level disc spring buffering guide assembly form an E-shaped structure, the outer cylinder of the structure is used for motion guide, and the round rod of the guide rod in the structure is used for guiding the first disc spring. A second disc spring guider in the second-stage disc spring buffer assembly adopts a hollow stepped shaft, the outer cylindrical surface of the structure is used for motion guiding, and the inner surface of the inner hollow shaft is used for guiding the second disc spring and a guide rod; 6) the single disc spring can provide the force required by the buffer damping, the oscillation stopping capability is not influenced even if one disc spring does not work, and the fault tolerance rate and the reliability are high; 7) the first guide bearing, the second guide bearing and the guide bush are made of MC cast nylon, so that the bearing is light in weight, small in friction force, free of grease lubrication and pollution-free.

Drawings

FIG. 1 is a sectional view of a damping buffer for laying and retrieving a submersible according to the present invention;

FIG. 2 is a sectional structure view of the damping buffer for the deployment and recovery of the submersible according to the present invention;

FIG. 3 is a sectional structure view of the damping buffer for the deployment and recovery of the submersible according to the present invention;

FIG. 4 is a sectional structure view of the damping buffer for the deployment and recovery of the submersible according to the present invention;

in the figure, a cylinder cover 1, a disc spring gasket 2, a disc spring guider II 3, a guide bearing II 4, a stop adjusting gasket 5, a guide rod bushing 6, a cylinder body assembly 7, a left cylinder body 71, a right cylinder body 72, a disc spring guider I8, a guide bearing I9, a guide bushing 10, a guide rod 11, a sealing ring 12, a disc spring I13 and a disc spring II 14.

Detailed Description

The following structural description and the accompanying drawings further describe the specific technical scheme of the invention.

As shown in the attached drawing 1, the utility model discloses a damping buffer for operation is retrieved in diving ware cloth put, including cylinder cap (1), dish spring packing ring (2), dish spring director two (3), guide bearing two (4), locking adjusting washer (5), guide bar bush (6), cylinder body subassembly (7), dish spring director (8), guide bearing one (9), guide bush (10), guide bar (11), sealing washer (12), dish spring one (13) and dish spring two (14).

The cylinder body 7, the cylinder covers 1 at two ends of the cylinder body and the guide bush (10) form a buffer damper body, and the cylinder body 7 is formed by butting a left cylinder body 71 and a right cylinder body 72 and supports the whole structure. The disc spring washer 2 is of a cylindrical structure with a flange at one end, one end of the disc spring washer 2 with the flange is installed on the inner surface of the buffer cylinder cover 1, the other end of the cylindrical structure supports a second disc spring 14, and the second disc spring 14 is formed by combining a plurality of groups of disc springs in an involutory combination mode. The second disc spring guider 3 is internally provided with a guide hole for guiding the second disc spring 14. The inner diameter of the guide hole is larger than the diameter of the cylindrical end of the disc spring washer 2. The outer part of the disc spring guider II 3 is connected with the guide bearing II 4 through a counter bore screw, and the disc spring guider II 3 and the guide bearing II 4 can slide in the left cylinder body 71. And the disc spring washer 2, the disc spring II 14, the disc spring guider II 3 and the guide bearing II 4 form a secondary disc spring buffer assembly.

The stop adjusting washer 5 is installed between the connecting flanges of the left cylinder 71 and the right cylinder 72 to stop the disc spring guide II 3. The initial pretightening force of the secondary disc spring buffer component can be adjusted by adjusting the thickness of the stop adjusting washer 5. The guide rod bush 6 is installed in the right end hole of the disc spring guide 3 to guide the guide rod 11. The disc spring guider I8 is connected with the guide bearing I9 through a counter bore screw, and can slide left and right in the right cylinder body 72. The guide bush 10 is installed on the right end opening of the right cylinder body 72 and guides the movement of the disc spring guide I8. A packing 12 is installed between the guide bush 10 and the disc spring guide 8 to prevent the inner grease from overflowing. The disc spring I13 is arranged on the guide rod 11, and two ends of the disc spring I are supported by the disc spring guider II 3 and the disc spring guider I8. The guide rod bushing 6, the disc spring guider I8, the guide bearing I9, the guide bushing 10, the guide rod 11 and the disc spring I13 form a primary disc spring buffering assembly.

The working principle of a specific embodiment of the damping bumper for deploying and retrieving a diving instrument according to the present invention will be described in detail below. As shown in fig. 2, the disc spring guide 8 compresses the disc spring 13 by an external load, the disc spring guide 8 moves leftward together with the guide bearing 9, and the guide rod 11 slides leftward in the guide rod bushing 6. The second disc spring guider 3 is supported by the first disc spring 13 to compress the second disc spring 14, and the second disc spring guider 3 and the second guide bearing 4 move leftwards together. The first disc spring 13 and the second disc spring 14 have different rigidity, so that the axial compression distance is different. The axial moving distance of the disc spring I13 is a1, the axial moving distance of the disc spring II 14 is b1, and the distance c1 between the disc spring guide II 3 and the disc spring guide I8.

As shown in fig. 3, the disc spring guide 8 continues to compress the disc spring 13 under the external load, the disc spring guide 8 and the guide bearing 9 continue to move leftward together, and the guide rod 11 also slides leftward in the guide rod bush 6. The second disc spring guider 3 is supported by the first disc spring 13 to compress the second disc spring 14, and the second disc spring guider 3 and the second guide bearing 4 continue to move leftwards together. The axial moving distance of the disc spring I13 is a2, the axial moving distance of the disc spring II 14 is b2, at the moment, the distance c2 between the disc spring guide II 3 and the disc spring guide I8 is 0, the disc spring guide I8 and the disc spring guide II 3 are in rigid contact, the disc spring I13 cannot be compressed continuously, and external loads directly act on the disc spring II 14.

As shown in fig. 4, the first disc spring guide 8 is in rigid contact with the second disc spring guide 3, the first disc spring 13 cannot be compressed any more, and an external load is directly applied to the second disc spring 14. And the disc spring guider II 3 continues to compress the disc spring II 14, the disc spring guider II 3 and the guide bearing II 4 continue to move leftwards together, and when the disc spring guider I8 completely enters the guide bushing, the compression movement is stopped.

Although the present invention has been described in connection with the preferred embodiments, the embodiments are not intended to limit the present invention. Any equivalent changes or modifications made without departing from the spirit and scope of the present invention also belong to the protection scope of the present invention. The scope of protection of the invention should therefore be determined with reference to the claims that follow.

Claims (2)

1. A damping buffer for laying and recovering a submersible comprises a cylinder cover (1), a disc spring gasket (2), a disc spring guider II (3), a guide bearing II (4), a stop adjusting gasket (5), a guide rod bushing (6), a cylinder body assembly (7), a disc spring guider I (8), a guide bearing I (9), a guide bushing (10), a guide rod (11), a sealing ring (12), a disc spring I (13) and a disc spring II (14), and is characterized in that,

the cylinder body component (7) is formed by butting a cylindrical left cylinder body (71) and a cylindrical right cylinder body (72) with two open ends,

the stop adjusting gasket (5) is of a ring-sheet structure and is arranged between the left cylinder body (71) and the right cylinder body (72),

the cylinder cover (1) seals the left end opening of the left cylinder body (71),

the left end of the disc spring washer (2) is fixedly arranged on the inner surface of the cylinder cover (1),

the outer wall of the disc spring guider II (3) is provided with an annular boss, the disc spring guider II (3) is axially provided with a through stepped hole, the diameter of the left inner cylindrical surface of the stepped hole is larger than that of the right inner cylindrical surface,

the disc spring II (14) is arranged in a left hole of a step hole of the disc spring guider II (3), the right end of the disc spring II (14) is propped against the step surface of the step hole, the left end of the disc spring II (14) is propped against the right end of the disc spring gasket (2),

the second guide bearing (4) is arranged on the outer cylindrical surface of the annular boss of the second disc spring guider (3),

the disc spring guider II (3) can slide on the inner cylindrical surface of the left cylinder body (71) through the guide bearing II (4), the right side surface of the annular boss of the disc spring guider II (3) is blocked by the left end surface of the stop adjusting gasket (5) at the uncompressed initial position of the damping buffer, and the disc spring II (14) has precompression force at the moment,

the left end of the guide bush (10) is inserted into the right end opening of the right cylinder body (72) and is fixedly installed with the right cylinder body (72),

the disc spring guider I (8) comprises a guide ring, a guide cylinder and a stop block, the guide ring is sleeved on the outer cylindrical surface of the guide cylinder and fixed with the guide cylinder, the stop block is fixedly arranged in the guide cylinder close to the right end of the guide cylinder, the guide bushing (10) is sleeved on the guide cylinder, the outer diameter of the guide cylinder is matched with the inner diameter of a through hole of the guide bushing (10) and can slide relatively, the guide cylinder and the guide bushing (10) are sealed through a sealing ring (12),

the left end of the guide rod (11) is inserted into the right end opening of the stepped hole of the disc spring guider II (3), the guide rod (11) can slide in the stepped hole through a guide rod bushing (6) fixed at the right end opening of the stepped hole, the right end of the guide rod (11) is inserted from the left end of the guide cylinder of the disc spring guider I (8) and is fixed with the stop block,

the disc spring I (13) is sleeved on the guide rod (11), the left end of the disc spring I (13) is propped against the left end of the disc spring guide device II (3), the right end of the disc spring I (13) is propped against a stop block of the disc spring guide device I (8),

the guide bearing I (9) is arranged on the outer cylindrical surface of the guide ring of the disc spring guide I (8),

the disc spring guider I (8) can slide on the inner cylindrical surface of the right cylinder body (72) through the guide bearing I (9), the right end face of a guide ring of the disc spring guider I (8) is blocked by the left end face of the guide bushing (10) at the uncompressed initial position of the damping buffer, the disc spring I (13) has pre-compression force, and the guide cylinder of the disc spring guider I (8) extends out of the right end of the guide bushing (10).

2. A jounce bumper for use in deployment and retrieval of submersibles as in claim 1 wherein the material of the second guide bearing (4), the first guide bearing (9) and the guide rod bushing (6) is MC cast nylon.

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