阅读说明：本技术 一种船舶移动吊装装置 (Ship moving and hoisting device ) 是由 陈悦 赵新飞 谢仪 余佳豪 朱姣姣 崇健斌 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种船舶移动吊装装置,其结构包括履带,正反电机,双作用伸缩式液压缸等,履带与连接轴固定连接,且连接轴与底架固定连接,底架与驾驶室活动连接,正反电机与底架固定连接,且正反电机安装在防护罩内部,正反电机由踏板控制开关,底架与操纵杆活动连接,驾驶室与固定梁固定连接,且双作用伸缩式液压缸贯穿固定梁,双作用伸缩式液压缸与活动梁固定连接。本发明中,设有灵活移动的履带,实现不同吊装环境下吊装；且本发明设有双作用伸缩式液压缸,实现不同吊装距离下吊装；且本发明设有踏板、正反电机、牵引绳等,简便地实现船舶中小型物资的吊装。(The invention discloses a ship moving and hoisting device which structurally comprises a crawler belt, a positive and negative motor, a double-acting telescopic hydraulic cylinder and the like, wherein the crawler belt is fixedly connected with a connecting shaft, the connecting shaft is fixedly connected with an underframe, the underframe is movably connected with a cab, the positive and negative motor is fixedly connected with the underframe, the positive and negative motor is arranged in a protective cover, the positive and negative motor is controlled by a pedal to be switched, the underframe is movably connected with an operating rod, the cab is fixedly connected with a fixed beam, the double-acting telescopic hydraulic cylinder penetrates through the fixed beam, and the double-acting telescopic hydraulic cylinder is fixedly connected with a movable beam. In the invention, the crawler belt which can move flexibly is arranged, so that hoisting in different hoisting environments is realized; the double-acting telescopic hydraulic cylinder is arranged, so that hoisting under different hoisting distances is realized; the invention is provided with the pedal, the positive and negative motors, the traction rope and the like, and can simply and conveniently realize the hoisting of small and medium-sized materials of the ship.)

1. The utility model provides a hoist device is removed to boats and ships, includes chassis (3), driver's cabin (4) and hoisting machine constructs be provided with track (1) on chassis (3), the connecting axle with chassis (3) fixed connection, chassis (3) and driver's cabin swing joint, its characterized in that: hoisting machine constructs and sets up driver's cabin (4) top, hoisting machine constructs including haulage rope jack, haulage rope (26) and direction assembly pulley driver's cabin (4) top is provided with fixed beam (12), and double-acting telescopic pneumatic cylinder (11) run through fixed beam (12) to drive walking beam (13) and shrink, the one end of haulage rope (26) is fixed on walking beam (13), and pass through the direction assembly pulley direction, its other end and haulage rope jack are connected, haulage rope jack by footboard (6) control switch in driver's cabin (4) be provided with the anticreep lifting hook on the movable pulley of direction assembly pulley.

2. The ship moving and hoisting device of claim 1, wherein: the anticreep lifting hook includes hook (27), anticreep pole (28), rings (29), bolt (30) and nut (31), hook (27) pass through bolt (30) and nut (31) with rings (29) are connected rings (29) the lower extreme swing joint has on hook (27) anticreep pole (28).

3. The ship moving and hoisting device of claim 2, wherein: the guide pulley block includes first fixed pulley (23), second fixed pulley (24) and movable pulley (25), movable pulley (25) hang on the haulage rope, and tangent with second fixed pulley (24), first fixed pulley (23) with second fixed pulley (24) respectively with fixed beam (13) with movable beam (12) are fixed, and first fixed pulley (23) with second fixed pulley (24) are in same water flat line.

4. The ship moving and hoisting device of claim 2, wherein: double-acting telescopic hydraulic cylinder (11) comprises one-level cylinder (15), one-level piston (16), second grade cylinder (17), second grade piston (18), piston rod (19), cylinder cap (20), hydraulic oil (21), one-level piston (16) is at one-level cylinder (15) internalization, second grade piston (18) is at second grade cylinder (17) internalization, piston rod (19) and second grade piston (18) fixed connection, just cylinder cap (20) is passed to piston rod (19) one end.

5. The ship moving and hoisting device of claim 4, wherein: a control panel (22) is arranged in the cab, and the inlet and the outlet of the hydraulic oil (21) are controlled by the control panel (22).

6. The ship moving and hoisting device of any one of claims 1-5, wherein: the traction rope retracting mechanism comprises a protective cover (8), a positive and negative motor (7) is arranged in the protective cover (8), a rotating rod (9) is controlled to rotate through the positive and negative motor (7), two limiting rings (10) are arranged on the rotating rod (9), and the other end of the traction rope is fixed between the two limiting rings (10) on the rotating rod (9).

Technical Field

The invention relates to the technical field of ship engineering, in particular to a movable hoisting device for a ship.

Background

The marine hoisting operation environment is severe, uncontrollable factors such as wind urgency and large waves are numerous, certain damage can be caused to hoisting equipment, the operation field is narrow, other construction machines and constructors can be arranged on the site, and the hoisting difficulty is increased. Meanwhile, the construction period is short, the construction task is heavy, the number of crossed operations is large, the equipment is complicated, and the operation space is insufficient. Although large-scale hoisting equipment is installed in many offshore hoisting operations at present, the large-scale hoisting equipment is obviously unreasonable in hoisting for the moving hoisting of some small and medium-sized materials, the cost is high, the occupied space area is large, the large-scale hoisting equipment is not easily protected due to the fact that environmental problems such as corrosion of seawater and rainwater need to be considered, and the large-scale hoisting equipment is not easily collected on site after the hoisting operation is finished. Therefore, at present, the offshore hoisting operation needs a small and medium-sized hoisting device which is convenient to move, can be flexibly used in various scenes and is easy to store and store after the operation is finished.

The invention discloses an invention patent with the application number of CN 108975175A and the name of ship hoisting device, and describes that forward and reverse motors are adopted to control threaded rod transmission to realize left and right movement of materials to be hoisted, and copper core motors are adopted to control traction ropes to shrink to realize up and down movement of the materials to be hoisted. However, the device disclosed by the patent is a fixing device, cannot be moved, has no safety measures, and is not suitable for occasions where small and medium-sized materials need to be flexibly moved during hoisting. In recent years, the marine hoisting operation has the problems that accidents frequently occur due to the fact that equipment is aged, the weight of materials exceeds the hoisting permitted range and the like, and how to flexibly move the hoisting device in a complex environment is easy to store, the safety performance of the hoisting device is enhanced, and the cost is saved is worth discussing.

Disclosure of Invention

The invention aims to solve the problems existing in the practical use of the traditional hoisting device, and provides the ship moving hoisting device which can work in different hoisting environments, effectively saves the cost, is convenient to hoist and has good safety performance.

The technical scheme of the invention is as follows:

the utility model provides a boats and ships remove hoist device, including the chassis, driver's cabin and hoisting machine construct, be provided with the track on the chassis, connecting axle and chassis fixed connection, chassis and driver's cabin swing joint, hoisting machine constructs the setting at the driver's cabin top, hoisting machine constructs including haulage rope jack, haulage rope and direction assembly pulley, be provided with the fixed beam at the driver's cabin top, the telescopic pneumatic cylinder of two effects runs through the fixed beam, and drive the movable beam and carry out the shrink, the one end of haulage rope is fixed on the movable beam, and lead through the direction assembly pulley, its other end and haulage rope jack are connected, haulage rope jack is by the footboard control switch in the driver's cabin, be provided with the anticreep lifting hook on the movable pulley of direction assembly pulley.

The invention is further improved in that: the anti-falling lifting hook comprises a hook, an anti-falling rod, a lifting ring, a bolt and a nut, the hook is connected with the lifting ring through the bolt and the nut, and the anti-falling rod is movably connected to the hook at the lower end of the lifting ring.

The invention is further improved in that: the guide pulley block comprises a first fixed pulley, a second fixed pulley and a movable pulley, the movable pulley is hung on the traction rope and is tangent to the second fixed pulley, the first fixed pulley and the second fixed pulley are fixed with the fixed beam and the movable beam respectively, and the first fixed pulley and the second fixed pulley are located on the same horizontal line.

The invention is further improved in that: the guide pulley block comprises a first fixed pulley, a second fixed pulley and a movable pulley, the movable pulley is hung on the traction rope and is tangent to the second fixed pulley, the first fixed pulley and the second fixed pulley are fixed with the fixed beam and the movable beam respectively, and the first fixed pulley and the second fixed pulley are located on the same horizontal line.

The invention is further improved in that: the double-acting telescopic hydraulic cylinder consists of a first-stage cylinder barrel, a first-stage piston, a second-stage cylinder barrel, a second-stage piston, a piston rod, a cylinder cover and hydraulic oil, wherein the first-stage piston moves in the first-stage cylinder barrel, the second-stage piston moves in the second-stage cylinder barrel, the piston rod is fixedly connected with the second-stage piston, and one end of the piston rod penetrates through the cylinder cover.

The invention is further improved in that: a control panel is arranged in the cab, and the inlet and outlet of the hydraulic oil are controlled by the control panel.

The invention is further improved in that: the traction rope retracting mechanism comprises a protective cover, a positive and negative motor is arranged in the protective cover, the rotating rod is controlled to rotate through the positive and negative motor, two limiting rings are arranged on the rotating rod, and the other end of the traction rope is fixed on the rotating rod between the two limiting rings.

The invention has the beneficial effects that:

1. according to the invention, the crawler moving device is arranged, so that the crawler moving device can move freely, the ship materials can be hoisted under different hoisting environments, the center of gravity is low, and the hoisting safety coefficient is increased;

2. according to the invention, by arranging the double-acting telescopic hydraulic cylinder, the fixed beam and the movable beam, the moving distance of the movable beam can be effectively and stably adjusted, and the hoisting of ship materials under the condition of different hoisting distances is realized;

3. according to the invention, the traction rope can be conveniently and laborsaving stretched and contracted by matching the pedal, the positive and negative motors, the rotating rod and the pulley, the operation is simple, and the hoisting of ship materials is simply and conveniently realized.

Drawings

Fig. 1 is a schematic structural diagram of a ship moving and hoisting device provided by the invention;

FIG. 2 is a schematic structural view of a double-acting telescopic hydraulic cylinder according to the present invention;

fig. 3 is a schematic structural diagram of a mobile chassis according to the present invention;

fig. 4 is a schematic structural diagram of a hook according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, a ship moving and lifting device comprises an underframe 3, a cab 4 and a lifting mechanism, a crawler belt 1 is arranged on an underframe 3, a connecting shaft 2 is fixedly connected with the underframe 3, the underframe 3 is movably connected with a cab 4, an operating rod 5 for controlling the movement direction of the chassis 3 is arranged in the cab 4, the hoisting mechanism is arranged at the top of the cab 4 and comprises a traction rope retracting mechanism, a traction rope 26 and a guide pulley block, a fixed beam 12 is arranged at the top of the cab 4, a double-acting telescopic hydraulic cylinder 11 penetrates through the fixed beam 12, and drives the movable beam 13 to contract, one end of the traction rope 26 is fixed on the movable beam 13 and is guided by the guide pulley block, the other end of the traction rope is connected with a traction rope retracting mechanism, the traction rope retracting mechanism is controlled to be switched by a pedal 6 in a cab 4, and an anti-drop lifting hook is arranged on a movable pulley of the guide pulley block.

The guide pulley block comprises a first fixed pulley 23, a second fixed pulley 24 and a movable pulley 25, the movable pulley 25 is hung on a traction rope 26 and is tangent to the second fixed pulley 24, the first fixed pulley 23 and the second fixed pulley 24 are respectively fixed with the fixed beam 13 and the movable beam 12, and the first fixed pulley 23 and the second fixed pulley 24 are positioned on the same horizontal line. The anti-dropping lifting hook is welded and fixed on the movable pulley 25 and comprises a hook 27, an anti-dropping rod 28, a lifting ring 29, a bolt 30 and a nut 31, the hook 27 is connected with the lifting ring 29 through the bolt 30 and the nut 31, and the anti-dropping rod 28 is movably connected to the hook 27 at the lower end of the lifting ring 29.

The double-acting telescopic hydraulic cylinder 11 comprises a first-stage cylinder barrel 15, a first-stage piston 16, a second-stage cylinder barrel 17, a second-stage piston 18, a piston rod 19, a cylinder cover 20 and hydraulic oil 21, wherein the first-stage piston 16 moves in the first-stage cylinder barrel 15, the second-stage piston 18 moves in the second-stage cylinder barrel 17, the piston rod 19 is fixedly connected with the second-stage piston 18, one end of the piston rod 19 penetrates through the cylinder cover 20, and the control panel 22 controls the hydraulic oil 21 to enter and exit. The haulage rope jack includes the protection casing 8, is provided with positive and negative motor 7 in the protection casing 8, rotates through positive and negative motor 7 control bull stick 9, is provided with two spacing rings 10 on bull stick 9, and the other end of haulage rope 26 is fixed on the bull stick 9 between two spacing rings 10.

The working principle is as follows: and under the state that no material to be hoisted exists, the movable pulley 25 is positioned at the horizontal position with the positive and negative motor 7. When the materials to be hoisted are to be hoisted, the pedal 6 is stepped down, the forward and reverse motor 7 starts to operate to drive the rotating rod 9 to rotate, the traction rope 26 is slowly withdrawn, the materials to be hoisted, which are well fixed by the lifting hook 14, rise under the action of the traction rope 26, and the operation is simple. The lifting hook 14 is provided with an anti-falling rod 28 to prevent the materials from falling off. The control rod 5 controls the movement direction of the chassis and moves under the action of the crawler 1, the gravity center is low, and the safety factor is high. The control panel 22 controls the ingress and egress of the hydraulic oil 21. The hydraulic oil 21 enters, and the primary piston 16 drives the secondary piston 18 under the action of the hydraulic oil 21. The primary piston 16 extends to the right position, and the secondary piston 18 extends to drive the piston rod 19 and the movable beam 13 to extend. Conversely, when the hydraulic oil 21 is discharged, the secondary piston 18 retracts, and the piston rod 19 and the movable beam 13 are driven to retract. After the secondary piston 18 piston retracts to the right position, the primary piston 16 retracts, so that the displacement of hoisting materials in the horizontal direction is realized, the working efficiency is high, and the performance is stable. According to the lifting device, the lifting operation of the lifting device on materials is convenient, the safety performance is good, the cost is saved, and the lifting device has good practicability.