CN219860301U

CN219860301U - Mechanical arm

Info

Publication number: CN219860301U
Application number: CN202320880698.5U
Authority: CN
Inventors: 唐树备
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-10-20
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a mechanical arm, in particular to the technical field of mechanical arms, which comprises a protective bottom cover, wherein a crane body is arranged in the protective bottom cover, the crane body comprises a slewing mechanism and a mechanical arm body, and a stabilizing mechanism is arranged between the bottom end of the slewing mechanism and the protective bottom cover; according to the utility model, the stabilizing mechanism is arranged, when the crane body is used on the sea for operation, the crane body on the sea can pitch, roll and heave along with sea waves, at the moment, the corresponding supporting cylinders are controlled to be started for expansion and contraction, and the installation base and the offshore platform can synchronously pitch, roll and heave along with the pitching, rolling and heave of the sea waves in cooperation with the rotation installation of the universal joint and the universal rotation effect of the universal joint, so that the fixed top seat is relatively stable, the slewing mechanism and the mechanical arm body in the crane body keep relatively stable, the suspended load is prevented from being collided with a deck easily due to such movements, and the safety of operation is threatened.

Description

Mechanical arm

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm.

Background

The offshore platform crane is mainly used on an offshore platform, is equipment for loading and unloading cargoes and lifting personnel on the offshore platform, is one of the most important production and safety equipment in offshore oil production, and generally comprises a slewing mechanism and a mechanical arm, and can perform three actions of lifting, slewing and luffing of the whole crane, so that lifting is realized;

unlike a typical land-based crane, which is typically fixed to a ship platform, the motion of the platform itself can have a strong influence on the motion of the load, and in operation, the marine crane can pitch, roll and heave with the sea wave, and these motions will cause the load to swing, especially in the lifting process, such motion of the platform can easily cause the lifted load to collide with the deck again, thereby threatening the safety of the operation.

Disclosure of Invention

The present utility model is directed to a mechanical arm, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the mechanical arm comprises a protective bottom cover, wherein a crane body is arranged in the protective bottom cover, the crane body comprises a slewing mechanism and a mechanical arm body, and a stabilizing mechanism is arranged between the bottom end of the slewing mechanism and the protective bottom cover;

the stabilizing mechanism comprises a mounting base and a mounting top seat, a plurality of stabilizing components distributed in an annular array are arranged between the mounting base and the mounting top seat, and each stabilizing component comprises two stabilizing pieces distributed symmetrically;

the stabilizer comprises a fixed base and a fixed top seat, wherein the fixed base and the fixed top seat are distributed up and down, the fixed base is fixedly arranged at the top end of an installation base, the fixed top seat is fixedly arranged at the bottom end of the installation top seat, first rotating columns are fixedly arranged in the middle of opposite sides of the fixed base and the fixed top seat, universal joints are rotatably arranged on opposite sides of the first rotating columns, air cylinder seats are arranged on opposite sides of the universal joints, second rotating shafts are fixedly arranged in the middle of opposite sides of the air cylinder seats, one sides of the second rotating shafts, far away from the air cylinder seats, are rotatably arranged in the corresponding universal joints, and supporting air cylinders are fixedly arranged between the air cylinder seats.

Preferably, the two stabilizing pieces and the mounting top seat in the same stabilizing assembly are in a triangular distribution structure.

Preferably, adjacent stabilizing pieces and mounting bases in two adjacent stabilizing assemblies are in a triangular distribution structure.

Preferably, the crane body is fixedly arranged at the top end of the installation top seat through a slewing mechanism.

Preferably, the outside integrated into one piece of installation base has the fixed protruding of annular array distribution, set up the fixed groove of wearing that corresponds with fixed protruding on the protection bottom cover.

Preferably, the movable clamp is provided with a protection plate on the protection bottom cover, and the protection plate is provided with a plurality of annular arrays distributed.

Preferably, the outside integrated into one piece of guard plate has the card frame, offer the draw-in groove that corresponds with the card frame on the protection bottom cover, card frame activity joint is in the draw-in groove that corresponds.

Preferably, handles are fixedly arranged at the tops of the protection plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up stabilizing mean, when the marine crane body of use works, the marine crane body can pitch, roll and heave along with the wave, at this moment, control and open a plurality of corresponding supporting cylinders and stretch out and draw back, coordinate the rotation installation of the universal joint and universal rotation effect of the universal joint, make installation base and offshore platform pitch, roll and heave along with the wave synchronously, make fixed footstock relatively steady, thus make slewing mechanism and mechanical arm body in the crane body keep relatively steady state, prevent this kind of motion from easily causing the load that has already lifted to collide with deck, threat the safety of operation;

2. through setting up protection end cover, guard plate to the stabilization mechanism protection, prevent that stabilization mechanism from receiving sea water corrosion damage, promote stabilization mechanism's result of use.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic structural connection diagram of the protection bottom cover and the stabilizing mechanism in the present utility model.

Fig. 3 is a schematic structural view of the stabilizer in the present utility model.

In the figure: 1. a protective bottom cover; 2. a slewing mechanism; 3. a stabilizing mechanism; 4. a robot arm body; 5. a protection plate; 51. a clamping frame; 511. a clamping groove; 52. a handle; 31. a mounting base; 32. installing a top seat; 33. a stabilizer; 34. fixing the convex; 341. fixing the through groove; 331. a fixed base; 332. fixing a top seat; 333. a first spin column; 334. a universal joint; 335. a cylinder block; 336. a second rotation shaft; 337. and supporting the cylinder.

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.

Examples: as shown in fig. 1-3, the utility model provides a mechanical arm, which comprises a protective bottom cover 1, wherein a crane body is arranged in the protective bottom cover 1, the crane body comprises a slewing mechanism 2 and a mechanical arm body 4, and a stabilizing mechanism 3 is arranged between the bottom end of the slewing mechanism 2 and the protective bottom cover 1;

the stabilizing mechanism 3 comprises a mounting base 31 and a mounting top seat 32, and the crane body is fixedly mounted at the top end of the mounting top seat 32 through the slewing mechanism 2 to mount and fix the bottom end of the crane body and the stabilizing mechanism 3; the outer side of the mounting base 31 is integrally formed with fixing protrusions 34 distributed in an annular array, and the protective bottom cover 1 is provided with fixing through grooves 341 corresponding to the fixing protrusions 34;

in use, the fixing between the stabilizing mechanism 3 and the protective bottom cover 1 is performed by passing through the fixing protrusions 34 using the fixing bolts and screwing in the fixing through grooves 341;

a plurality of stabilizing assemblies distributed in an annular array are arranged between the mounting base 31 and the mounting top seat 32, and each stabilizing assembly comprises two symmetrically distributed stabilizing pieces 33; two stabilizing pieces 33 and the mounting top seat 32 in the same stabilizing assembly are in a triangular distribution structure; adjacent stabilizing pieces 33 and mounting bases 31 in two adjacent stabilizing assemblies are in a triangular distribution structure;

the stabilizer 33 comprises a fixed base 331 and a fixed top seat 332, the fixed base 331 and the fixed top seat 332 are vertically distributed, the fixed base 331 is fixedly installed at the top end of the installation base 31, the fixed top seat 332 is fixedly installed at the bottom end of the installation top seat 32, first rotating columns 333 are fixedly installed at the middle parts of opposite sides of the fixed base 331 and the fixed top seat 332, universal joints 334 are rotatably installed at opposite sides of the first rotating columns 333, the universal joints 334 can correspondingly rotate on the fixed base 331 and the fixed top seat 332, air cylinder seats 335 are arranged at opposite sides of the universal joints 334, second rotating shafts 336 are fixedly installed at the middle parts of opposite sides of the air cylinder seats 335, one side, far away from the air cylinder seats 335, of the second rotating shafts 336 is rotatably installed in the corresponding universal joints 334, supporting air cylinders 337 are fixedly installed between the air cylinder seats 335, and the supporting air cylinders 337 can conveniently rotate between the two universal joints 334.

The protective bottom cover 1 is movably clamped with a plurality of protective plates 5, and the protective plates 5 are distributed in an annular array manner, so that the protective plates 5 are convenient to detach;

the outer side of the protection plate 5 is integrally formed with a clamping frame 51, the protection bottom cover 1 is provided with a clamping groove 511 corresponding to the clamping frame 51, the clamping frame 51 is movably clamped in the corresponding clamping groove 511, and movable clamping between the protection bottom cover 1 and the protection plate 5 is carried out, so that the protection plate 5 is convenient to detach;

the equal fixed mounting in top of guard plate 5 has handle 52, through holding handle 52, lifts guard plate 5 and dismantles, and the staff of being convenient for gets into and protects under the cover 1 and carry out stabilizing mean 3 fixed, and protects stabilizing mean 3 through setting up under the cover 1, guard plate 5, prevents that stabilizing mean 3 from receiving the sea water corruption damage, promotes stabilizing mean 3 result of use.

Working principle: when the anti-theft device is used, the handle 52 is held by hands, the anti-theft plate 5 is lifted up to be detached, and workers enter the anti-theft bottom cover 1 to fix the stabilizing mechanism 3, wherein the anti-theft bottom cover 1 and the anti-theft plate 5 can protect the stabilizing mechanism 3, so that the stabilizing mechanism 3 is prevented from being corroded and damaged by seawater, and the using effect of the stabilizing mechanism 3 is improved;

when the crane body is used on the sea subsequently, the crane body on the sea can pitch, roll and heave along with the sea, at the moment, the corresponding supporting cylinders 337 are controlled to be opened for expansion and contraction, the installation of the universal joint 334 is matched with the rotation effect of the universal joint 334, the installation base 31 and the offshore platform can pitch, roll and heave synchronously along with the sea, the fixed top base 332 is relatively stable, the slewing mechanism 2 and the mechanical arm body 4 in the crane body are kept in a relatively stable state, the suspended load is prevented from being collided with a deck easily due to such movement, and the safety of the operation is threatened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Mechanical arm, including protection end cover (1), its characterized in that: the crane body is arranged in the protective bottom cover (1) and comprises a slewing mechanism (2) and a mechanical arm body (4), and a stabilizing mechanism (3) is arranged between the bottom end of the slewing mechanism (2) and the protective bottom cover (1);

the stabilizing mechanism (3) comprises a mounting base (31) and a mounting top seat (32), a plurality of stabilizing components distributed in an annular array are arranged between the mounting base (31) and the mounting top seat (32), and each stabilizing component comprises two stabilizing pieces (33) which are symmetrically distributed;

the stabilizer (33) comprises a fixed base (331) and a fixed top seat (332), the fixed base (331) and the fixed top seat (332) are distributed up and down, the fixed base (331) is fixedly installed at the top of the installation base (31), the fixed top seat (332) is fixedly installed at the bottom of the installation top seat (32), a first rotating column (333) is fixedly installed in the middle of the opposite sides of the fixed base (331) and the fixed top seat (332), universal joints (334) are fixedly installed on the opposite sides of the first rotating column (333) in a rotating mode, two air cylinder seats (335) are respectively arranged on the opposite sides of the universal joints (334), two second rotating shafts (336) are fixedly installed in the middle of the opposite sides of the air cylinder seats (335), one side, far away from the air cylinder seats (335), of each second rotating shaft (336) is rotatably installed in the corresponding universal joints (334), and a supporting air cylinder (337) is fixedly installed between the two air cylinder seats (335).

2. The mechanical arm of claim 1, wherein: two stabilizing pieces (33) and an installation top seat (32) in the same stabilizing assembly are in a triangular distribution structure.

3. The mechanical arm of claim 1, wherein: adjacent stabilizing pieces (33) and mounting bases (31) in two adjacent stabilizing assemblies are in triangular distribution structures.

4. The mechanical arm of claim 1, wherein: the crane body is fixedly arranged at the top end of the installation top seat (32) through the slewing mechanism (2).

5. The mechanical arm of claim 1, wherein: the outside integrated into one piece of installation base (31) has fixed protruding (34) of annular array distribution, fixed groove (341) are worn with fixed protruding (34) corresponding to offer on the protection bottom cover (1).

6. The mechanical arm of claim 1, wherein: the protection bottom cover (1) is movably clamped with a protection plate (5), and the protection plate (5) is provided with a plurality of annular arrays.

7. The mechanical arm of claim 6, wherein: the outside integrated into one piece of guard plate (5) has card frame (51), offered on the protection bottom cover (1) and blocked slot (511) that correspond with card frame (51), card frame (51) activity joint is in corresponding draw-in slot (511).

8. The mechanical arm of claim 6, wherein: handles (52) are fixedly arranged at the tops of the protection plates (5).