CN112093685A - Automatic lifting device for movable insulation box of LNG ship - Google Patents

Automatic lifting device for movable insulation box of LNG ship Download PDF

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Publication number
CN112093685A
CN112093685A CN202010699484.9A CN202010699484A CN112093685A CN 112093685 A CN112093685 A CN 112093685A CN 202010699484 A CN202010699484 A CN 202010699484A CN 112093685 A CN112093685 A CN 112093685A
Authority
CN
China
Prior art keywords
lifting device
insulation box
suspension arm
pulley
automatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010699484.9A
Other languages
Chinese (zh)
Inventor
李建锋
季舒敏
毛勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hudong Zhonghua Shipbuilding Group Co Ltd
Original Assignee
Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hudong Zhonghua Shipbuilding Group Co Ltd filed Critical Hudong Zhonghua Shipbuilding Group Co Ltd
Priority to CN202010699484.9A priority Critical patent/CN112093685A/en
Publication of CN112093685A publication Critical patent/CN112093685A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/46—Mobile jib-cranes with non-slewable jibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention relates to an automatic lifting device for a movable insulation box of an LNG ship, which comprises a bottom plate, a control box, a suspension arm, a pulley, a steel wire rope and a lifting hook, wherein one end of the suspension arm is fixedly arranged at the upper end of the bottom plate at one side of an engine room, one end of the steel wire rope is connected with a motor, the other end of the steel wire rope penetrates through the pulley to be connected with the lifting hook, the other end of the suspension arm is provided with a top fixing head, the top fixing head comprises a first top column, a second top column and a top plate, the first top column is fixedly arranged at one end of the suspension arm, one end of the second top column is fixedly connected with the center of the top plate, the other. The automatic lifting device can hoist the insulation box in the tank, is beneficial to realizing the quick transportation of the insulation box in the building process of the liquid cargo tank containment system of the LNG ship, effectively reduces the manual transportation amount and prevents the damage in the manual transportation process.

Description

Automatic lifting device for movable insulation box of LNG ship
Technical Field
The invention relates to the field of ship building equipment, in particular to an automatic lifting device for a movable insulation box of an LNG ship.
Background
In the process of constructing the liquid cargo tank by the thin film type LNG ship, the liquid cargo containment system is constructed for main work, and the liquid cargo containment system mainly comprises a main insulating box, a secondary insulating box, a main invar steel and a secondary invar steel, is used for heat insulation and pressure maintaining, prevents the liquid natural gas inside from absorbing heat from the cargo tank, and keeps the stability of the liquid natural gas. The main work of the liquid cargo containment system is installation of an insulation box, the insulation box coated with epoxy resin glue is required to be installed on a ship body, in order to realize construction of the liquid cargo containment system, a scaffold platform is arranged in a cabin and is about 8 layers, and before the insulation box is installed, the corresponding insulation box is required to be carried into a corresponding scaffold layer.
In the prior art, the elevator on the scaffold is generally matched with a manual trolley for carrying, so that the workload is large, the efficiency is low, and a large crane cannot be normally used in a cabin.
Disclosure of Invention
In order to facilitate the installation of the insulation boxes on the corresponding layers of scaffolds in the cabin, the invention provides a movable automatic insulation box lifting device for an LNG ship, and the technical purpose of the invention is realized by the following technical scheme:
the movable insulation box automatic lifting device for the LNG ship structurally comprises a bottom plate, a suspension arm, a pulley, a steel wire rope and a lifting hook, wherein one end of the suspension arm is fixedly arranged at the upper end of the bottom plate on one side of an engine room, the pulley is arranged at the upper end of the suspension arm, a motor is arranged on one side of the suspension arm, one end of the steel wire rope is connected with the motor, and the other end of the steel wire rope penetrates through the pulley; the other end of the suspension arm is provided with a top fixing head.
Furthermore, the top fixing head comprises a first top column, a second top column and a top plate, the first top column is installed and fixed at one end of the suspension arm, one end of the second top column is fixedly connected with the center of the top plate, and the other end of the second top column is hinged inside one end of the first top column.
Further, one side of roof still is equipped with the buffer board, and the buffer board adopts rubber materials, before carrying out insulating case hoist and mount, will push up the solid head and withstand the bulkhead, and the roof can guarantee the roof laminating bulkhead according to the angle rotation appropriate angle of bulkhead, and the buffer board further reduces the destruction of roof to the bulkhead.
Furthermore, one end of the bending arm is movably inserted at the upper end of the suspension arm base.
Furthermore, a plurality of bolt holes are formed in the side wall of the suspension arm base in the vertical direction, the lower end of the bending arm is also provided with a bolt hole, a bolt is further arranged between the bending arm and the suspension arm base, the bolt is simultaneously inserted into the bolt hole in the bending arm and the bolt hole in the suspension arm base, the height of the bending arm relative to the suspension arm base can be changed according to needs, and finally the position of the bending arm inserted into the suspension arm base is fixed through the bolt.
Furthermore, the pulley includes first pulley, second pulley, and the second pulley is installed in the middle part of the arm that bends, and first pulley is installed between the arm that bends and the top solid head, and the lifting hook passes through wire rope and hangs and first pulley below.
Furthermore, the bottom of the bottom plate is provided with a travelling wheel.
Further, the bottom plate is further provided with an engine room, an electrical cabinet, a control cabinet and a battery compartment, the electrical cabinet is mounted at the upper end of the engine room, the motor is mounted and fixed inside the electrical cabinet, the battery compartment is arranged at one end of the bottom plate on one side of the engine room, the control cabinet is mounted and fixed at the upper end of the battery compartment, and the upper end of the control cabinet is further provided with a control panel.
Furthermore, a control box is arranged in the control cabinet, a power module, an Msp430 main control unit, a Zigbee communication module and a motor driving module are arranged in the control box, and the control panel is connected with the control box.
Furthermore, an encoder is further arranged on the motor and connected with the control box.
Further, the encoder is an absolute value encoder.
Furthermore, the reinforcing rods are further arranged below the bending arms, and the reinforcing rods are obliquely supported below the bending arms and used for reinforcing the strength of the bending arms.
The automatic lifting device has the beneficial effects that the insulation box can be hoisted in the tank through the automatic lifting device, the quick transportation of the insulation box in the building process of the liquid cargo tank containment system of the LNG ship is facilitated, the manual transportation amount is effectively reduced, and the damage in the manual transportation process is prevented.
Drawings
Fig. 1 is a three-dimensional perspective view of an automatic movable insulated box hoist for an LNG ship according to the present invention.
Fig. 2 is a front view of the movable insulated box automatic lifting apparatus of the LNG ship of the present invention.
Fig. 3 is a plan view of the movable insulated box automatic lifting apparatus of the LNG ship of the present invention.
Fig. 4 is a three-dimensional perspective view of the tack head in the present invention.
Fig. 5 is a front view of the head of the present invention.
Fig. 6 is a schematic diagram of the electrical control system of the present invention.
In the figure, 1, fixing the head; 2. a first pulley; 3. a bending arm; 4. a second pulley; 5. a hook; 6. a reinforcing bar; 7. a wire rope; 8. a first latch; 9. a boom base; 10. a base plate; 11. an electric motor; 12. an electrical cabinet; 13. a control panel; 14. a control cabinet; 15. a traveling wheel; 16. a nacelle; 17. a battery compartment; 18. a pin hole; 19. a control box; 101. a first top pillar; 102. a second bolt; 103. a top plate; 104. a buffer plate; 105. and a second top pillar.
Detailed Description
The technical solution of the present invention is further explained below with reference to specific embodiments:
an automatic hoisting device for a movable insulation box of an LNG ship is shown in figures 1-5 and comprises a bottom plate 10, a suspension arm, a pulley, a steel wire rope 7, a lifting hook 5, a cabin 16, an electrical cabinet 12, a control cabinet 14 and a battery bin 17, wherein a travelling wheel 15 is arranged at the bottom of the bottom plate 10 and is used for moving the hoisting device in the embodiment. The electrical cabinet 12 is installed at the upper end of the nacelle 16, the motor 11 is installed and fixed inside the electrical cabinet 12, and the motor 11 is further provided with an encoder which is an absolute value encoder, and the encoder is connected with the control box 19. The battery cabin 17 is arranged at one end of a bottom plate on one side of the cabin 16, the control cabinet 14 is fixedly installed at the upper end of the battery cabin 17, a control box 19 is arranged in the control cabinet 14, a power module, an Msp430 main control unit, a Zigbee communication module and a motor driving module are arranged in the control box 19, and the control panel is connected with the control box 19. The upper end of the control cabinet 14 is also provided with a control panel 13, and the control panel 13 is provided with a switch button, an ascending control button, a descending control button and an emergency stop button. The electrical cabinet 12, the control cabinet 14, the cabin 16 and the battery compartment 17 are all arranged at one end of the base plate 10 to play a ballast effect, and the corresponding suspension arm is arranged at the other end of the base plate 10.
Specifically, the suspension arm comprises a bending arm 3 and a suspension arm base 9, the suspension arm base 9 is welded and fixed on the bottom plate 10, one end of the bending arm 3 is inserted into the upper end of the suspension arm base 9, a plurality of bolt holes 18 are formed in the side wall of the upper end of the suspension arm base 9, the bolt holes 18 are arranged in the vertical direction, bolt holes (not shown in the figure) are also formed in the lower end of the bending arm 3, the bolt holes 8 in the lower end of the bending arm 3 and the bolt holes 18 in the suspension arm base 9 are inserted through a first bolt, connection and fixation between the bending arm 3 and the suspension arm base 9 are achieved, the height of the bending arm 3 relative to the suspension arm base 9 can be adjusted as required, and the fixing. The lower part of the bending arm 3 is also provided with a reinforcing rod 6, and the reinforcing rod 6 is obliquely supported below the bending arm 3 to support the structure of the bending arm 3.
First pulley 2 installs between the solid head 1 of bending arm 3 and top, and second pulley 4 installs at the middle part of bending arm 3, and lifting hook 5 hangs the below with first pulley 2 through wire rope 7, and wire rope 7 passes first pulley 2's top and second pulley 4's top in proper order, and lifting hook 5 is connected to wire rope 7's one end, and motor 11 is connected to wire rope 7's other one end, pulls wire rope 7 through motor winding formula and realizes lifting hook 5's lift.
The electric control system mainly comprises a control panel, an encoder, an Msp430 main control unit, a Zigbee communication module and a motor drive module, wherein the encoder is arranged on a motor 11 and connected with the Msp430 main control unit to accurately control the lifting height and the descending height of a lifting hook 5, as shown in FIG. 6; the control panel 13 is connected with the Msp430 main control unit and used for realizing human-computer interaction; the Msp430 main control unit is connected with the motor driving module, the Msp430 main control unit transmits a control signal to the motor driving module for controlling the rotating speed and the steering direction of the motor 11, and the Msp430 main control unit is connected with the Zigbee communication module for communication data transmission.
The lifting device has two working modes: a single hoisting mode and a multi-station combined hoisting mode. In actual use, according to specific working conditions, when the lifted insulation box exceeds the rated lifting capacity of a single lifting device, a plurality of lifting devices are required to be connected for lifting, the main lifting device becomes a master machine, and other lifting devices assisting the lifting devices become slave machines. In a multi-linkage hanging mode, the master-slave control mode is used, and the master machine and the slave machine are communicated through respective Zigbee communication modules, so that data transmission between the master machine and the slave machine is realized. In the multi-linkage mode, the lifting speed and direction of the hook 5 of the master are controlled by the master itself, and the lifting speed and direction of the hook 5 of the slave are also controlled by the master.
Because the lifting arm of the utility model does not execute the lifting task, the lifting device is prevented from falling down when the insulating box is lifted, the upper end of the lifting arm needs to be abutted against the bulkhead when in use, the cabin walls are different in shape and may have inclined cabin walls, so that the top fixing head 1 is arranged at one end of the suspension arm, the top fixing head 1 comprises a first top column 101, a second top column 105 and a top plate 103, the first top column 101 is installed and fixed at one end of the suspension arm, one end of the second top column 105 is fixedly connected with the center of the top plate 103, the other end of the second top column 105 is hinged inside one end of the first top column 101 through a second bolt 102, in order to prevent the top plate 103 from scratching the cabin walls, a buffer layer 104 is arranged on one side of the top plate 103, the buffer layer 104 is made of rubber blocks, when the boom is required to abut against the bulkhead, the bumper layer 104 abuts directly against the bulkhead, so that on one hand, the bulkhead is protected, and on the other hand, friction between the top plate 103 and the bulkhead is increased.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.

Claims (11)

1. The movable automatic insulation box lifting device for the LNG ship is characterized by structurally comprising a base plate, a suspension arm, a pulley, a steel wire rope and a lifting hook, wherein one end of the suspension arm is fixedly arranged at the upper end of the base plate on one side of an engine room, the pulley is arranged at the upper end of the suspension arm, one side of the suspension arm is provided with a motor, one end of the steel wire rope is connected with the motor, and the other end of the steel wire rope penetrates through the pulley and is connected with the; and the other end of the suspension arm is provided with a top fixing head.
2. The automatic movable insulation box lifting device for the LNG carrier as claimed in claim 1, wherein the jacking head comprises a first jacking column, a second jacking column and a top plate, the first jacking column is fixedly installed at one end of the suspension arm, one end of the second jacking column is fixedly connected with the center of the top plate, and the other end of the second jacking column is hinged inside one end of the first jacking column.
3. The automatic movable insulation box lifting device for the LNG ship as claimed in claim 2, wherein a buffer plate is further arranged on one side of the top plate.
4. The automatic lifting device for the movable insulation box of the LNG ship as claimed in claim 1, wherein the suspension arm comprises a bending arm and a suspension arm base, the suspension arm base is fixedly installed at the upper end of the bottom plate, and one end of the bending arm is movably inserted into the upper end of the suspension arm base.
5. The automatic lifting device for the movable insulation box of the LNG ship as claimed in claim 4, wherein a plurality of pin holes are vertically formed in the side wall of the boom base, a pin hole is also formed in the lower end of the bending arm, and a pin is further formed between the bending arm and the boom base and is inserted into the pin hole in the bending arm and the pin hole in the boom base simultaneously.
6. The automatic insulation box lifting device for the LNG carrier to move is characterized in that the pulleys comprise a first pulley and a second pulley, the second pulley is installed in the middle of the bending arm, the first pulley is installed between the bending arm and the top fixing head, and the lifting hook is suspended below the first pulley through a steel wire rope.
7. The automatic movable insulation box lifting device for the LNG carrier as claimed in claim 1, wherein road wheels are arranged at the bottom of the bottom plate.
8. The automatic insulation box lifting device for the LNG ship, as claimed in claim 1, wherein the base plate is further provided with an engine room, an electrical cabinet, a control cabinet and a battery compartment, the electrical cabinet is mounted at an upper end of the engine room, the motor is mounted and fixed inside the electrical cabinet, the battery compartment is arranged at one end of the base plate at one side of the engine room, the control cabinet is mounted and fixed at an upper end of the battery compartment, and the upper end of the control cabinet is further provided with a control panel.
9. The automatic movable insulation box lifting device for the LNG carrier as claimed in claim 8, wherein a control box is arranged in the control cabinet, a power module, an Msp430 main control unit, a Zigbee communication module and a motor driving module are arranged in the control box, and the control panel is connected with the control box.
10. The automatic movable insulation box lifting device for the LNG carrier as claimed in claim 8, wherein an encoder is further arranged on the motor, and the encoder is connected with the control box.
11. The automatic movable insulation box lifting device for the LNG carrier as claimed in claim 4, wherein a reinforcing rod is further arranged below the bending arm, and the reinforcing rod is obliquely supported below the bending arm.
CN202010699484.9A 2020-07-20 2020-07-20 Automatic lifting device for movable insulation box of LNG ship Pending CN112093685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010699484.9A CN112093685A (en) 2020-07-20 2020-07-20 Automatic lifting device for movable insulation box of LNG ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010699484.9A CN112093685A (en) 2020-07-20 2020-07-20 Automatic lifting device for movable insulation box of LNG ship

Publications (1)

Publication Number Publication Date
CN112093685A true CN112093685A (en) 2020-12-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010699484.9A Pending CN112093685A (en) 2020-07-20 2020-07-20 Automatic lifting device for movable insulation box of LNG ship

Country Status (1)

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CN (1) CN112093685A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202785380U (en) * 2012-06-15 2013-03-13 宋鹏飞 Small crane
CN103641016A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Marine mobile crane
CN203903832U (en) * 2014-06-17 2014-10-29 昆明立云机械制造有限公司 Swing-arm type simple material transporter
CN104291234A (en) * 2014-08-25 2015-01-21 舟山中远船务工程有限公司 Portable crane used for unloading cargo oil pump
DE102013013503A1 (en) * 2013-08-16 2015-02-19 Glastec Glas und Technik GmbH Mobile lifting device
CN104444911A (en) * 2014-11-13 2015-03-25 江苏天普重工有限公司 Movable crane
CN104724623A (en) * 2013-12-18 2015-06-24 上海船厂船舶有限公司 Marine movable sundry lifting appliance
CN106744369A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 A kind of Driven by Solar Energy rubbish hangs
CN108657969A (en) * 2018-07-02 2018-10-16 山东伟红建筑安装工程有限公司 A kind of fulcrum type hoisting machine
CN208327190U (en) * 2018-03-30 2019-01-04 浙江海洋大学 A kind of cargo boom hoisting peculiar to vessel

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202785380U (en) * 2012-06-15 2013-03-13 宋鹏飞 Small crane
DE102013013503A1 (en) * 2013-08-16 2015-02-19 Glastec Glas und Technik GmbH Mobile lifting device
CN103641016A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Marine mobile crane
CN104724623A (en) * 2013-12-18 2015-06-24 上海船厂船舶有限公司 Marine movable sundry lifting appliance
CN203903832U (en) * 2014-06-17 2014-10-29 昆明立云机械制造有限公司 Swing-arm type simple material transporter
CN104291234A (en) * 2014-08-25 2015-01-21 舟山中远船务工程有限公司 Portable crane used for unloading cargo oil pump
CN104444911A (en) * 2014-11-13 2015-03-25 江苏天普重工有限公司 Movable crane
CN106744369A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 A kind of Driven by Solar Energy rubbish hangs
CN208327190U (en) * 2018-03-30 2019-01-04 浙江海洋大学 A kind of cargo boom hoisting peculiar to vessel
CN108657969A (en) * 2018-07-02 2018-10-16 山东伟红建筑安装工程有限公司 A kind of fulcrum type hoisting machine

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Application publication date: 20201218