Lift for LNG (Liquefied Natural Gas) ship

Abstract

The utility model relates to a lift for an LNG (Liquefied Natural Gas) ship, and belongs to the technical field of hoisting equipment, in particular to the technical field of marine hoisting equipment. The hoisting and lifting mechanism special for the LNG ship building environment is constructed by arranging the guide rail frame, the lifting cage, the bottom frame, the bottom guardrail, the landing door and the like, the bottom frame, the bottom guardrail and the lifting cage can adapt to different ship environments to be disassembled and assembled, the construction requirement in a narrow space is met, the lifting of the lifting cage can be controlled by adopting a PLC, and the construction efficiency is improved. The lifting cage door can run stably in a ship environment, and the lifting cage door is provided with the electric appliance chain which is configured to be safely locked, so that the safety is improved, and the maintenance frequency of a user is reduced. In addition, the attachment device is connected with the scaffold for fixation, so that the flexibility of three-section direction adjustability is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of LNG ship hoist, belong to hoisting equipment technical field, especially LNG hoisting equipment technical field. BACKGROUND

[0002] LNG ship hoist is a kind of equipment specially designed for LNG ship, mainly used for transporting goods, equipment or personnel when LNG cabin structure is built. They play an important role in the construction of cargo hold of LNG ship.

[0003] However, due to the space limitation and complex structure of LNG ship, the introduction of LNG ship hoist to realize the mixed transport of goods and people in the cargo hold is an innovation and breakthrough, which greatly improves the shipbuilding speed. Unlike the hoist used in land construction, LNG ship hoist needs to be installed on the specially designed scaffoldings densely distributed in LNG cabin and ensure its reliable operation, which is very difficult.

[0004] Therefore, it is still necessary to find a ship hoist device that can adapt to LNG ship manufacturing and be easy to install, maintain and disassemble. INVENTION CONTENTS

[0005] To solve the above problems, the utility model provides a kind of LNG ship hoist, comprising:

[0006] Guide rail frame, with vertically arranged guide rail;

[0007] Cage, through cage guide column and sliding block movably connected to the guide rail frame;

[0008] Chassis, set in the bottom of guide rail and placed on the ground, the chassis includes standard section chassis, buffer frame, chassis vice frame connected in turn, the standard section chassis connects the bottom of guide rail frame; the buffer frame is provided with buffer spring;

[0009] Attachment device, fixed to scaffold, the attachment device includes attachment adjustment frame, attachment front frame movably connected to both sides of attachment adjustment frame, and buckle connection frame arranged on attachment adjustment frame, the buckle connection frame connects guide rail frame.

[0010] Further, the two sides of the cage are respectively provided with first cage door and second cage door, the first cage door is an up-pull type door and is provided with a counterweight, the second cage door is a double-leaf swing door with both sides foldable, and the first cage door and the second cage door are both provided with punched plate.

[0011] Further, the first cage door and the second cage door are both provided with electrical interlocking and are configured to always remain in a locked state when the cage is running.

[0012] Further, the cage top is provided with an openable top door, and the periphery of the top door is provided with a top door guardrail.

[0013] Further, the marine elevator further comprises a layer door arranged at different height layers of the scaffold, the layer door comprises a layer station door and a layer station door fence arranged on both sides of the layer station door, the layer station door is a double-leaf folding door, and the layer station door is configured to be opened only when the cage stops in front of the layer station door.

[0014] Further, the standard section bottom frame comprises a center plate connected to the bottom of the guide rail and two wing plates connected to both sides of the center plate, and the two wing plates are fixed to the ground; the periphery of the bottom frame is surrounded by a bottom guardrail connected to one side of the bottom frame auxiliary frame. The bottom guardrail is provided with a guardrail door configured to be opened only when the cage moves to the bottom of the guide rail and contacts the buffer spring.

[0015] Further, the guide rail frame is sequentially provided, from top to bottom, with an upper limit bump, an upper deceleration bump, a lower deceleration bump and a lower limit bump.

[0016] The utility model discloses the beneficial effect:

[0017] The utility model discloses a hoisting and lifting mechanism specially used in the ship environment, which is constructed by a guide rail frame, a cage, a bottom frame, a bottom guardrail and a layer door. The bottom frame, the bottom guardrail and the cage can be disassembled and assembled to adapt to different ship environments and meet the construction requirements in a small space. The lifting of the cage can be controlled by PLC. The cage door is provided with an electric interlock configured to be securely locked, which improves the safety and reduces the frequency of user maintenance. In addition, the utility model is fixed by connecting the scaffold through an attachment device, and the flexibility of three-section direction adjustment is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view in an embodiment of the utility model;

[0019] Figure 2 It is a structure schematic view of the guide rail frame in an embodiment of the utility model;

[0020] Figure 3 It is a structure schematic view of the bottom frame in an embodiment of the utility model;

[0021] Figure 4 It is a structure schematic view of the bottom guardrail in an embodiment of the utility model;

[0022] Figure 5 It is a structure schematic view of the attachment device in an embodiment of the utility model;

[0023] Figure 6It is a structure schematic view of the cage in an embodiment of the utility model;

[0024] Figure 7 It is a structure schematic view of the layer door in an embodiment of the utility model;

[0025] Figure 8 It is a structure schematic view of the guide rail frame bottom and the standard section bottom frame connecting part in an embodiment of the utility model;

[0026] Figure 9 It is a structure schematic view of the cage guide column in an embodiment of the utility model;

[0027] In the drawing: 1, guide rail frame; 2, cage; 3, bottom frame; 4, attachment device; 5, bottom guardrail; 6, layer door; 7, scaffold;

[0028] 11, guide rail; 12, upper deceleration bump block; 13, upper limit bump block; 14, lower deceleration bump block; 15, lower limit bump block;

[0029] 21, top door; 22, top door guardrail; 23, cage guide column; 24, driving motor;

[0030] 31, standard section bottom frame; 32, buffer frame; 33, bottom frame auxiliary frame; 34, buffer spring;

[0031] 41, attachment front frame; 42, attachment adjusting frame; 43, fastener connecting frame;

[0032] 51, guardrail door; 61, layer station door. DETAILED DESCRIPTION

[0033] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0035] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside communication. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific circumstances.

[0036] Embodiment 1

[0037] The utility model provides a kind of for LNG ship elevator, comprising:

[0038] Rail frame, with vertical direction setting guide rail 11, the guide rail 11 is preferably rack, can be fastened by three inner hex bolts on rail frame;The rail frame can be the combined structure spliced by multiple standard sections, preferably adopt 10.9 level high-strength bolt connection, to adapt to different height requirements;

[0039] Cage 2, by cage guide column 23 and sliding block movably connected to the rail frame 1, can be controlled by PLC control system and driving motor 24 to control the lifting and stopping of cage 2;Wherein, driving motor 24 is also connected cage guide column, driving motor 24 below can be provided with anti-falling device;

[0040] Chassis 3, setting at the bottom of guide rail 11 and being placed on ground, the chassis 3 includes standard section chassis 31, buffer frame 32, chassis vice frame 33 connected in sequence, the standard section chassis 31 connects the bottom of rail frame 1;The buffer frame 32 is provided with two buffer springs 34, can be contacted with two buffer springs 34 when cage 2 drops to bottom to play the effect of buffering shock absorption, effectively avoids the rigid collision damage of cage 2;

[0041] Attachment device 4, fixed on scaffold 7, the attachment device 4 includes attachment adjustment frame 42, attachment front frame 41 movably connected to both sides of attachment adjustment frame 42, buckle connection frame 43 setting in attachment adjustment frame 42, the buckle connection frame 43 connects rail frame 1.

[0042] Further, the opposite sides of the cage 2 are respectively provided with a first cage door and a second cage door;The first cage door and the second cage door are both provided with a punched plate, and the maintenance personnel can observe through the punched plate in the cage.

[0043] Further, the first cage door and the second cage door are both provided with an electrical interlock and are configured to always remain in a locked state when the cage is running; the cage 2 cannot run when the electrical interlock is in an open state, thereby ensuring the safety of the crew. The top of the cage 2 is provided with an openable top door 21, and the outer periphery of the top door 21 is provided with a top door guardrail 22, which facilitates maintenance personnel to climb onto the cage 2 above after opening the top door 21 and is protected by the top door guardrail 22; preferably, the inside of the cage 2 can be provided with an operation control panel, a light, etc.

[0044] Further, the marine elevator further comprises a layer door 6 provided at different height layers of the scaffold, the layer door 6 comprises a layer station door 61 and a layer station door guardrail provided on both sides of the layer station door 61, the layer station door 61 is a double-leaf folding door, and the layer station door is configured to be opened only when the cage stops in front of the layer station door.

[0045] Further, the standard section chassis 31 comprises a center plate connected to the bottom of the guide rail and two wing plates connected to both sides of the center plate, and the two wing plates are fixed to the ground; the outer periphery of the chassis 3 is surrounded by a bottom guardrail 5, and the bottom guardrail 5 is connected to one side of the chassis auxiliary frame 33. The bottom guardrail 5 is provided with a guardrail door 51, which is configured to be opened only when the cage moves to the bottom of the guide rail and contacts the buffer spring.

[0046] Further, the guide rail frame 1 is sequentially provided from top to bottom with an upper limit bump block 13, an upper deceleration bump block 12, a lower deceleration bump block 14, and a lower limit bump block 15; when the cage 2 rises, it will decelerate after passing through the upper deceleration bump block 12 and then stop at the upper limit bump block 13; when the cage 2 descends, it will decelerate after passing through the lower deceleration bump block 14 and then stop at the lower limit bump block 15. Preferably, the upper and lower deceleration bump blocks can be electrical protection devices that automatically cut off the power supply to stop the elevator when the cage 2 runs to the positions of the upper and lower deceleration bump blocks; and the upper and lower limit bump blocks can limit the extreme travel distance that the cage can reach after deceleration, forcing the cage to stop completely.

[0047] Generally, under the control of the PLC, when the cage 2 is in a running state, the first cage door, the second cage door, the layer station door 61, and the guardrail door 51 are all in a closed state; when the cage 2 is stopped at the bottom layer, the first cage door, the second cage door, and the guardrail door 51 can be opened; when the cage 2 is stopped at a certain layer above the bottom layer, the first cage door, the second cage door, and the corresponding layer station door 61 can be opened.

[0048] Although the utility model has disclosed as above with preferable embodiments, it is not used to limit the utility model, anyone familiar with this technology can make various changes and modifications without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model should be limited by the claims.

Claims

1. A LNG carrier elevator characterized by, The utility model relates to a ship use lifting machine, including: Rail frame, have vertical direction setting guide rail; Cage, through cage guide post and sliding block movable connection in the guide rail frame; Chassis, set up in the guide rail bottom and place on the ground, the chassis includes the standard section chassis, buffer frame, chassis vice frame that connect gradually, the standard section chassis connects the bottom of guide rail frame, the buffer frame is provided with buffer spring; Attached device, fixed in the scaffold, the attached device includes attached adjustment frame, attached front frame movable connection in the both sides of attached adjustment frame, the fastener connecting frame that sets up in attached adjustment frame, the fastener connecting frame connects the guide rail frame.

2. The LNG carrier elevator of claim 1, wherein The both sides of the cage are provided with first cage door and second cage door respectively, the first cage door is the upper pull type door and is provided with counterweight, the second cage door is the two sides can be folded double-leaf swing door, the first cage door and second cage door are provided with punched plate.

3. The LNG carrier elevator of claim 2, wherein The first cage door and second cage door are provided with electrical interlocking and are configured to always keep the locked state when the cage is running.

4. The LNG carrier elevator of claim 3, wherein The top of the cage is provided with openable top door, the outer periphery of the top door is provided with top door guardrail.

5. The LNG carrier elevator of claim 1, wherein The ship use lifting machine further includes layer door setting up in the scaffold different height layer, the layer door includes layer station door and layer station door fence setting up in the both sides of layer station door, the layer station door is the two sides can be folded double-leaf swing door, the layer station door is configured to only open when the cage reaches the layer station door and stops in front of the layer station door.

6. The LNG carrier elevator of claim 1, wherein The standard section chassis includes the center plate connecting the guide rail bottom and the two wing plates connecting the both sides of center plate, two wing plates are fixed to the ground, the outer periphery of the chassis is surrounded with bottom guardrail, and one side of the bottom guardrail is connected with the chassis vice frame.

7. The LNG carrier elevator of claim 6, wherein The bottom guardrail is provided with guardrail door, and the guardrail door is configured to open when the cage moves to the guide rail bottom and contacts the buffer spring.

8. The LNG carrier elevator of claim 1, wherein The upper limit bump block, the upper deceleration bump block, the lower deceleration bump block and the lower limit bump block are sequentially installed on the guide rail frame from top to bottom.

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