CN219282323U - Top-punching buffer device of ship elevator - Google Patents

Abstract

The utility model discloses a top buffer device of a marine lifter, which comprises a buffer seat and a buffer unit; and (3) a buffer seat: the inner lower end of the buffer seat is slidably connected with a jacking table, the bottom surface of the jacking table is provided with a groove which is bilaterally symmetrical, the inside of the groove is slidably connected with a transition block, the inside of the groove is provided with a first spring, the bottom end of the first spring is fixedly connected with the vertically corresponding transition block, the inner top wall of the buffer seat is provided with a sliding cylinder which is longitudinally symmetrical, the inside of the sliding cylinder is slidably connected with a sleeve rod, the bottom end of the sleeve rod is fixedly connected with the upper surface of the jacking table, the bottom surface of the sliding cylinder is provided with a second spring, and the bottom end of the second spring is fixedly connected with the upper surface of the jacking table; the marine lifter roof punching buffer device can transfer impact force in the vertical direction into the horizontal direction, then provides elastic buffer effect for the lifting top plate of the marine lifter from multiple aspects, ensures that the marine lifter can safely punch the roof, and has a simple and practical structure.

Description

Top-punching buffer device of ship elevator

Technical Field

The utility model relates to the technical field of marine elevators, in particular to a top-punching buffer device of a marine elevator.

Background

The lifting operation platform is a multifunctional lifting mechanical device and can be divided into a fixed type lifting mechanical device, a movable type lifting mechanical device, a guide rail type lifting mechanical device, a crank arm type lifting mechanical device, a scissor type lifting mechanical device, a chain type lifting mechanical device, a loading platform and the like, and the lifting mechanical device can be widely applied to various fields.

The marine elevator is used as the lifting machinery on the ship, and the main effect of the marine elevator is to lift and transfer other cargoes so as to lighten the carrying burden of personnel, and when the lifting top plate of the marine elevator lifts upwards to punch the top, the marine elevator can easily generate larger vibration when braking if the marine elevator is not buffered and slowed down, so that the overall stability of the marine elevator is affected.

The conventional top-punching buffer device for the marine elevator generally adopts a spring as a buffer component, and is provided with a corresponding telescopic support to directly perform buffer work in the vertical direction, so that the impact force of a lifting top plate can only be weakened in the vertical direction when the lifting top plate of the marine elevator moves upwards to punch the top, and the stability of the marine elevator is difficult to further improve on the basis, and therefore, the top-punching buffer device for the marine elevator is provided.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the top punching buffer device for the marine elevator, which can transfer the impact force in the vertical direction into the horizontal direction, and then provide elastic buffer effect for the lifting top plate of the marine elevator from multiple aspects, so that the marine elevator can safely punch the top, the structure is simple and practical, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the top buffer device of the marine elevator comprises a buffer seat and a buffer unit;

and (3) a buffer seat: the inner lower end of the buffer seat is slidably connected with a jacking table, the bottom surface of the jacking table is provided with a groove which is bilaterally symmetrical, the inside of the groove is slidably connected with a transition block, the inside of the groove is provided with a first spring, the bottom end of the first spring is fixedly connected with a vertically corresponding transition block, the inner top wall of the buffer seat is provided with a sliding cylinder which is longitudinally symmetrical, the inside of the sliding cylinder is slidably connected with a sleeve rod, the bottom end of the sleeve rod is fixedly connected with the upper surface of the jacking table, the bottom surface of the sliding cylinder is provided with a second spring, the bottom end of the second spring is fixedly connected with the upper surface of the jacking table, and the second spring is sleeved outside the vertically corresponding sleeve rod;

buffer unit: the device is arranged between the buffer seat and the jacking table, can transfer the impact force in the vertical direction into the horizontal direction, then provides elastic buffer effect for the lifting top plate of the marine elevator from multiple aspects, ensures that the marine elevator can safely punch the top, and has simple and practical structure.

Further, the transition block is an elastic rubber transition block, so that the lifting top plate of the ship lifter can be prevented from being directly and rigidly collided with the jacking table.

Further, the buffer unit includes boss, gyro wheel, guide bar and trapezoidal platform, the boss sets up in the upper surface center department of jacking platform, and the front and back side of boss all rotates through the round pin axle to be connected with bilateral symmetry's gyro wheel, and the inner wall upper end all is equipped with the guide bar of bilateral symmetry about the buffer seat, and transverse sliding connection has trapezoidal platform between two guide bars that vertically correspond, and the extrados of gyro wheel and the contact of the trapezoidal platform medial surface that vertically corresponds can shift the impact force of vertical direction to the horizontal direction, guarantees the stability of buffer seat through changing the direction of impact force.

Furthermore, the inner side surfaces of the trapezoid tables are obliquely arranged from top to bottom in the direction away from the boss, so that the normal development of the subsequent buffering work can be ensured.

Further, the buffer unit further comprises a third spring, the third spring is vertically symmetrically arranged on the left inner wall and the right inner wall of the buffer seat, the inner side end of the third spring is fixedly connected with the trapezoid table adjacent to the same side, the third spring is sleeved outside the guide rod adjacent to the same side, and the horizontal impact force received by the trapezoid table can be counteracted.

Further, rubber bulges which are uniformly distributed are arranged on the bottom surface of the buffer seat, so that secondary impact caused by hard collision between the buffer seat and the jacking table can be avoided.

Furthermore, the four corners of the upper surface of the buffer seat are symmetrically provided with fixing holes, so that the buffer seat can be fixed, and the stability of a working environment is ensured.

Compared with the prior art, the utility model has the beneficial effects that: the ship lifter top-punching buffer device has the following advantages:

1. when the marine elevator is pushed up, the lifting top plate of the marine elevator can be preferentially contacted with the transition block, the transition block can moderately retract into the groove to realize a primary buffering function under the influence of the elastic potential energy of the first spring, so that the lifting top plate of the marine elevator can be prevented from being directly and rigidly collided with the lifting platform, after the lifting top plate of the marine elevator gradually pushes the transition block into the groove and gradually contacts with the lifting platform, the lifting platform can move upwards along with the lifting top plate of the marine elevator and retract into the buffer seat, the sleeve rod can gradually retract into the sliding cylinder, the impact force of the lifting platform is gradually weakened through the sliding friction between the sleeve rod and the sliding cylinder, then the elastic potential energy of the second spring is matched to provide elastic buffering for the lifting top plate of the marine elevator in the vertical direction, the rubber bulge can avoid secondary impact caused by hard collision between the buffer seat and the lifting platform, and the stability of the marine elevator is ensured.

2. In the process that the boss and the roller rise along with the jacking platform, the contact point of the roller and the trapezoidal platform changes along with the boss, the trapezoidal platform is caused to transversely move along the guide rod so as to transfer the impact force in the vertical direction to the horizontal direction, the stability of the buffer seat is ensured by changing the direction of the impact force, then the impact force in the horizontal direction borne by the trapezoidal platform is counteracted by means of the elastic potential energy of the third spring, the buffer effect of the buffer device is comprehensively ensured, and the marine lifter can be safely jacked.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the present utility model in an inner cross-section.

In the figure: 1 buffer seat, 2 jacking platform, 3 recess, 4 transition piece, 5 first spring, 6 slide, 7 loop bar, 8 second spring, 9 buffer unit, 91 boss, 92 gyro wheel, 93 guide bar, 94 trapezoidal platform, 95 third spring, 10 rubber bulge, 11 fixed orifices.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: the marine lifter top-punching buffer device comprises a buffer seat 1 and a buffer unit 9;

buffer seat 1: the inner lower end of the marine lifting jack is slidably connected with a jacking table 2, the bottom surface of the jacking table 2 is provided with a groove 3 which is bilaterally symmetrical, the inner part of the groove 3 is slidably connected with a transition block 4, the inner part of the groove 3 is provided with a first spring 5, the bottom end of the first spring 5 is fixedly connected with the vertically corresponding transition block 4, the inner top wall of the buffer seat 1 is provided with a sliding cylinder 6 which is bilaterally symmetrical, the inner part of the sliding cylinder 6 is slidably connected with a sleeve rod 7, the bottom end of the sleeve rod 7 is fixedly connected with the upper surface of the jacking table 2, the bottom surface of the sliding cylinder 6 is provided with a second spring 8, the bottom end of the second spring 8 is fixedly connected with the upper surface of the jacking table 2, the second spring 8 is sleeved outside the vertically corresponding sleeve rod 7, the transition block 4 is an elastic rubber transition block, when the marine lifting jack is stamped, the inner part of the marine lifting jack can be preferentially contacted with the transition block 4, at the moment, the elastic potential energy of the first spring 5 can moderately shrink into the inner part of the groove 3 to realize a preliminary buffer function so as to avoid the ship lifting jack from being directly connected with the jacking table 2 through the upper surface of the jacking table 2, the top plate 2 gradually moves up and gradually along with the lifting jack 2, the inner part of the sliding cylinder 6 gradually moves up and gradually along with the lifting jack 2 through the sliding rod 6 in the vertical direction, and gradually moves up and down the inner part of the lifting jack 2 along with the lifting jack top plate 2;

buffer unit 9: the buffer unit 9 comprises a boss 91, rollers 92, guide rods 93 and a trapezoid table 94, wherein the boss 91 is arranged at the center of the upper surface of the jacking table 2, the front side and the rear side of the boss 91 are respectively connected with the rollers 92 which are bilaterally symmetrical through pin shafts in a rotating way, the upper ends of the left inner wall and the right inner wall of the buffer seat 1 are respectively provided with the guide rods 93 which are bilaterally symmetrical, the trapezoid table 94 is transversely and slidably connected between the two guide rods 93 which are vertically corresponding, the outer cambered surface of the rollers 92 is contacted with the inner side surface of the trapezoid table 94 which is vertically corresponding, the inner side surface of the trapezoid table 94 is obliquely arranged from top to bottom in a direction away from the boss 91, the buffer unit 9 also comprises a third spring 95, the third spring 95 is arranged on the left inner wall and the right inner wall of the buffer seat 1 in an up-down symmetrical way, the inner ends of the third springs 95 are fixedly connected with the trapezoid-shaped platforms 94 adjacent to the same side, the third springs 95 are sleeved outside the guide rods 93 adjacent to the same side, in the process that the boss 91 and the roller 92 ascend along with the jacking platform 2, the contact points of the roller 92 and the trapezoid-shaped platforms 94 change, the trapezoid-shaped platforms 94 are caused to transversely move along the guide rods 93 so as to transfer impact force in the vertical direction to the horizontal direction, the stability of the buffer seat 1 is guaranteed by changing the direction of the impact force, and then the impact force in the horizontal direction, received by the trapezoid-shaped platforms 94, is counteracted by means of elastic potential energy of the third springs 95, so that the buffer effect of the buffer device is comprehensively guaranteed.

Wherein: the bottom surface of the buffer seat 1 is provided with evenly distributed rubber bulges 10, so that secondary impact caused by hard collision between the buffer seat 1 and the jacking table 2 can be avoided, and the stability of the ship elevator is ensured.

Wherein: the four corners of the upper surface of the buffer seat 1 are symmetrically provided with fixing holes 11, and an external bolt penetrates through the fixing holes 11 to connect the buffer seat 1 with a corresponding installation part above the marine elevator, so that the buffer device is fixed, and the stability of a working environment is ensured.

The working principle of the top-punching buffer device of the marine elevator provided by the utility model is as follows: the buffer seat 1 is connected with the installation part correspondingly arranged above the ship elevator by using an external bolt through the fixing hole 11, the buffer device is fixed, the stability of the working environment is ensured, when the ship elevator is stamped, the lifting top plate of the ship elevator is preferentially contacted with the transition block 4, the transition block 4 is moderately contracted into the groove 3 under the influence of the elastic potential energy of the first spring 5 to realize the primary buffer function, so that the lifting top plate of the ship elevator is prevented from directly and rigidly colliding with the lifting platform 2, after the lifting top plate of the ship elevator gradually pushes the transition block 4 into the groove 3 and gradually contacts with the lifting platform 2, the lifting platform 2 moves upwards along with the lifting top plate of the ship elevator and is contracted into the buffer seat 1, the sleeve rod 7 is gradually contracted into the sliding cylinder 6 in the process, the impact force of the jacking table 2 is weakened gradually through sliding friction between the sleeve rod 7 and the sliding cylinder 6, then elastic buffering is provided for the lifting top plate of the marine elevator in the vertical direction through the cooperation of the elastic potential energy of the second spring 8, in the process that the boss 91 and the roller 92 ascend along with the jacking table 2, the contact point of the roller 92 and the trapezoid table 94 changes along with the lifting, the trapezoid table 94 is promoted to transversely move along the guide rod 93 so as to transfer the impact force in the vertical direction to the horizontal direction, the stability of the buffer seat 1 is ensured through changing the direction of the impact force, then the impact force in the horizontal direction, received by the trapezoid table 94, is counteracted by the elastic potential energy of the third spring 95, the buffering effect of the buffer device is comprehensively ensured, the rubber bulge 10 can avoid the hard collision between the buffer seat 1 and the jacking table 2 to cause secondary impact, the stability of the ship elevator is ensured.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. Marine lift dashes a buffer, its characterized in that: comprises a buffer seat (1) and a buffer unit (9);

buffer seat (1): the inner lower end of the buffer seat (1) is slidably connected with a jacking table (2), the bottom surface of the jacking table (2) is provided with a groove (3) which is bilaterally symmetrical, the inside of the groove (3) is slidably connected with a transition block (4), the inside of the groove (3) is provided with a first spring (5), the bottom end of the first spring (5) is fixedly connected with the vertically corresponding transition block (4), the inner top wall of the buffer seat (1) is provided with a sliding cylinder (6) which is bilaterally symmetrical, the inside of the sliding cylinder (6) is slidably connected with a sleeve rod (7), the bottom end of the sleeve rod (7) is fixedly connected with the upper surface of the jacking table (2), the bottom surface of the sliding cylinder (6) is provided with a second spring (8), and the bottom end of the second spring (8) is fixedly connected with the upper surface of the jacking table (2), and the second spring (8) is sleeved outside the vertically corresponding sleeve rod (7);

buffer unit (9): is arranged between the buffer seat (1) and the jacking table (2).

2. The marine riser ram buffer of claim 1 wherein: the transition block (4) is an elastic rubber transition block.

3. The marine riser ram buffer of claim 1 wherein: the buffer unit (9) comprises a boss (91), rollers (92), guide rods (93) and a trapezoid table (94), wherein the boss (91) is arranged at the center of the upper surface of the jacking table (2), the front side and the rear side of the boss (91) are respectively connected with the rollers (92) which are bilaterally symmetrical through pin shafts in a rotating mode, the upper ends of the left inner wall and the right inner wall of the buffer seat (1) are respectively provided with the guide rods (93) which are bilaterally symmetrical, the trapezoid table (94) is transversely connected between the two guide rods (93) which are vertically corresponding in a sliding mode, and the extrados of the rollers (92) are in contact with the inner side surfaces of the trapezoid table (94) which is vertically corresponding.

4. A marine riser ram buffer as claimed in claim 3, wherein: the inner side surfaces of the trapezoid tables (94) are all obliquely arranged from top to bottom in a direction away from the boss (91).

5. A marine riser ram buffer as claimed in claim 3, wherein: the buffer unit (9) further comprises a third spring (95), the third spring (95) is vertically symmetrically arranged on the left inner wall and the right inner wall of the buffer seat (1), the inner side ends of the third spring (95) are fixedly connected with trapezoid tables (94) adjacent to the same side, and the third spring (95) is sleeved outside the guide rods (93) adjacent to the same side.

6. The marine riser ram buffer of claim 1 wherein: rubber bulges (10) which are uniformly distributed are arranged on the bottom surface of the buffer seat (1).

7. The marine riser ram buffer of claim 1 wherein: fixing holes (11) are symmetrically formed in four corners of the upper surface of the buffer seat (1).

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