CN211167305U

CN211167305U - Cargo handling system of chemical tanker

Info

Publication number: CN211167305U
Application number: CN201921959330.8U
Authority: CN
Inventors: 杨才华; 潘焕第; 杨建�
Original assignee: Nanjing Zhonggang Shipbuilding Co ltd
Current assignee: Nanjing Zhonggang Shipbuilding Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-04
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a cargo handling system of chemical ship, including the transfer line, the liquid cargo pump, the cargo handling piping of midship cross-tube constitution, be provided with the isolating device who cuts the transfer line on the transfer line, isolating device sets up the one side of keeping away from ship stern portion in chemical ship living area, isolating device includes the base, the benchmark frame, blind flange and removable nozzle stub, the benchmark frame is on a parallel with the axis of transfer line with the pivot axis of base swivelling joint and benchmark frame, the benchmark frame is V-arrangement and blind flange and removable nozzle stub can dismantle to be fixed on the bipartition fork end of V-arrangement, be provided with the control benchmark frame on the base and rotate respectively to the blind flange and align with the transfer line or can dismantle the rotary mechanism that can align with the transfer line of nozzle stub and transfer line, be provided with the lubricating mechanism who is used for lubricating blind flange and removable nozzle stub and the part of transfer line terminal surface butt. The utility model discloses have the technical effect that goods liquid is difficult to reveal.

Description

Cargo handling system of chemical tanker

Technical Field

The utility model belongs to the technical field of the technique of boats and ships freight system and specifically relates to a cargo handling system of chemical ship is related to.

Background

The cargo handling system of a chemical carrier is a life line for ship operations, which can carry goods other than flammable and explosive dangerous goods of oils and toxic goods that emit toxic vapors to pollute the environment, and thus must be highly safe and easy to operate to prevent the goods from leaking and polluting the environment or causing a fire to cause a marine accident.

The utility model discloses a current utility model discloses a cargo handling system of chemical ship for grant notice No. CN201325578Y, include by the transfer line, the liquid cargo pump, the cargo area loading and unloading piping that midship cross-tube is constituteed, the one end and midship cross-tube of transfer line are connected, the other end passes chemical ship living area and installs at ship stern portion, install logical bank stop valve and logical bank joint in proper order at this tip, the transfer line is close to living area department in the cargo oil district and installs isolating device, isolating device comprises blind flange group and removable nozzle stub, the blind flange is installed on the transfer line, can dismantle the nozzle stub and install between the blind flange group, be equipped with the isolation valve on the transfer line between midship cross-tube and the isolating device.

When the loading and unloading system does not work, the detachable short pipe in the isolation device is detached from the infusion pipe, and the two cut ends of the infusion pipe, which are caused by the detachable short pipe, are sealed by the blind flange groups. When the loading and unloading system works, the blind flange set of the isolating device is disassembled, the detachable short pipe is connected, the liquid cargo pump is started, the isolating valve is opened, the shore connection stop valve is opened, and cargo liquid moves to the shore through a midship cross pipe and a liquid conveying pipe to realize oil unloading; the cargo liquid is reversely driven to move, and oil filling can be realized.

The above prior art solutions have the following drawbacks: the user all needs artifical ann blind flange group and removable nozzle stub of tearing open when loading and unloading at every turn, must artifically align the axis of transfer line and blind flange group or artifically align the axis of removable nozzle stub and transfer line when tearing open and installing. In order to ensure the air tightness after connection, the length of the detachable short pipe is inevitably equal to the distance between the two cut ends of the infusion tube and is connected through a flange. Under the condition that the positions of the two ends of the infusion tube are fixed, the manual alignment of the detachable short tube and the infusion tube is inconvenient, and the end faces of the detachable short tube and the infusion tube are easy to rub and damage, so that the possibility of leakage of the cargo liquid is increased, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cargo handling system of chemical tanker, the goods liquid is difficult for revealing when loading and unloading goods liquid, and the safety in utilization is good.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a cargo handling system of chemical boat, includes the cargo handling piping that transfer line, liquid cargo pump, midship cross tube are constituteed, the one end and the midship of transfer line span union coupling, install in ship stern portion behind the other end of transfer line passes chemical boat living area, be provided with the isolating device who cuts the transfer line on the transfer line, isolating device sets up the one side of keeping away from ship stern portion in chemical boat living area, isolating device includes base, benchmark frame, blind flange and removable nozzle stub, the axis of pivot axis of benchmark frame and base swivelling joint and benchmark frame is on a parallel with the axis of transfer line, the benchmark frame is the V-arrangement and blind flange and removable nozzle stub can be dismantled and fix on the bipartition end of V-arrangement, be provided with the control benchmark frame on the base and rotate respectively to blind flange and align or can dismantle the rotary mechanism of nozzle stub and alignment, and a lubricating mechanism used for lubricating the blind flange and the part of the detachable short pipe, which is abutted against the end face of the infusion pipe, is arranged on the base.

Through adopting above-mentioned technical scheme, the user is rotatory through rotary mechanism drive benchmark frame and thus remove the manual work from and align removable nozzle stub or blind flange and the trouble that will manual support when the screw thread spare of erection joint usefulness, and lubricated mechanism avoids removable nozzle stub and blind flange because of the friction damage between the alignment time and the transfer line, reduces the possibility that the connection back leakproofness is not good, and the possibility that goods liquid was revealed is low, convenient to use and safety.

The utility model discloses further set up to: the blind flange is provided with circular closed groove on the terminal surface of keeping away from each other, the internal diameter of closed groove equals with the internal diameter of transfer line, lubricated mechanism is including the slope lubrication plate of fixing on the base, be fixed with open-top and inside lubricated box that bears the weight of oily emollient on the lubrication plate, be provided with the lubricating sponge in the bottom inserts the lubrication box on the lubrication plate, the total four of quantity of lubrication plate just set up the four corners department at the benchmark frame respectively, blind flange and removable nozzle stub all rub with the lubricating sponge butt that corresponds when rotatory along with switching frame.

Through adopting above-mentioned technical scheme, when the benchmark frame is rotatory, blind flange and removable nozzle stub and the lubricated sponge butt friction that corresponds, the emollient of being adsorbed in lubricated sponge because of capillary action is coated on blind flange and removable nozzle stub to realize automatic lubrication, effectively reduce the blind flange or removable nozzle stub in the removal with the frictional force of infusion pipe tip, frictional damage is little.

The utility model discloses further set up to: the lubricating sponge is arranged in a roller shape and is rotationally connected with the lubricating plate, and the rotating surface of the lubricating sponge is parallel to the top surface of the lubricating plate.

Through adopting above-mentioned technical scheme, the lubricated sponge is rotatory along with the blind flange that corresponds or detachable nozzle stub, and sliding friction turns into rolling friction, and the coating is more even and better to the protectiveness of blind flange and detachable nozzle stub.

The utility model discloses further set up to: the lubricating plate is detachably connected with a sealing cover which is used for completely covering the lubricating sponge and sealing the lubricating box.

Through adopting above-mentioned technical scheme, the closing cap covers lubricated sponge and seals lubricated box completely under the normality, prevents effectively that emollient from shaking to jolting and shaking of chemical ship going and revealing convenient to use.

The utility model discloses further set up to: the rotary mechanism comprises a rotary motor fixed with one end of a rotating shaft of the reference frame, and the top surface of the base is detachably fixed with a secondary support block used for reducing the possibility that the reference frame vibrates along with the chemical ship through a threaded piece.

Through adopting above-mentioned technical scheme, the user passes through the rotating electrical machines drive benchmark frame rotatory to provide extra spacing and support through the auxiliary stay piece, further strengthen the stability after the benchmark frame rotation angle is fixed, reduce the benchmark frame and jolt and the possibility of shaking along with the jolting of chemical ship going, convenient to use.

The utility model discloses further set up to: and a damping rubber layer is fixed on the top surface of the secondary supporting block.

Through adopting above-mentioned technical scheme, the flexibility of shock attenuation rubber layer can further protect the benchmark frame, long service life.

The utility model discloses further set up to: the end fixing that the blind flange kept away from each other is had a post of grabbing, the swivelling joint has the jack catch that is used for the fixed removable nozzle stub of chucking and grabs the post on the switching frame, the jack catch sets up in pairs, be provided with the chucking part that is used for controlling the jack catch rotation on the switching frame.

Through adopting above-mentioned technical scheme, the user passes through the chucking part drive jack catch rotation, and the chucking through the jack catch realizes that blind flange and removable nozzle stub can be dismantled and fix on the benchmark frame, and it is convenient to tear open ann, overhauls the convenience.

The utility model discloses further set up to: the clamping part comprises a worm which is rotatably connected with the switching frame, the worm corresponds to the jaw setting and the axis of the worm is perpendicular to the line of the two jaws which are in the same pair, the two jaws are in the same pair, worm wheels which are meshed with the worm are fixed on the rotating shaft of the jaws, the two worm wheels are symmetrically arranged on two sides of the worm, and one end of the worm is connected with a clamping motor.

Through adopting above-mentioned technical scheme, the user is rotatory through chucking motor drive worm, and it is rotatory to drive the jack catch through the worm gear meshing, easy operation and control are effectual.

To sum up, the utility model discloses a beneficial technological effect does:

1. the detachable short pipe and the blind flange do not need to be aligned manually, the friction damage is small, and the possibility of cargo liquid leakage is low;

2. the detachable short pipe and the blind flange are convenient to disassemble and install and convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of an isolation device according to an embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of a lubrication mechanism according to an embodiment.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

In the figure, 1, an infusion tube; 2. an isolation device; 21. a base; 22. a reference frame; 23. a blind flange; 231. closing the groove; 232. a grasping column; 24. a short detachable pipe; 3. a rotation mechanism; 31. a rotating electric machine; 32. a secondary support block; 321. a damping rubber layer; 4. a lubrication mechanism; 41. a lubrication plate; 42. a lubrication box; 43. a lubricating sponge; 44. a closure cap; 5. a claw; 51. a worm; 52. a worm gear; 53. the motor is clamped.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a cargo handling system of chemical tanker, including the goods handling piping system that constitutes of transfer line 1, liquid cargo pump, midship cross tube that sets up on the chemical tanker, be provided with cargo oil district and living area on the chemical tanker, the living area is close to the stern setting, and the cargo oil district sets up in midship. One end of the transfusion tube 1 is connected with a midship crossing tube, and one end of the transfusion tube 1 is arranged at the stern of the chemical boat after passing through the living area of the chemical boat. The part of the infusion tube 1 between the living area and the cargo oil area is provided with an isolation device 2, and the isolation device 2 comprises a base 21, a reference frame 22, a blind flange 23 and a detachable short tube 24.

The base 21 is horizontally fixed on the chemical boat, and the infusion tube 1 is assumed to be on the chemical boat through the bracket. The reference frame 22 is disposed in a V-shape, the reference frame 22 is rotatably connected to the base 21, and a rotating surface of the reference frame 22 is parallel to the V-shaped end surface of the reference frame 22 and perpendicular to the axis of the infusion tube 1. The infusion tube 1 is positioned at the position of the reference frame 22 and is cut off, and the two cut-off ends of the infusion tube 1 are respectively provided with a connecting flange, and a blind flange 23 used for sealing the cut-off end part of the infusion tube 1 and a detachable short tube 24 used for connecting the cut-off end part of the infusion tube 1 are detachably fixed on the two V-shaped bifurcate ends of the reference frame 22 respectively. The number of the blind flanges 23 is two, the blind flanges are sequentially arranged along the length direction of the reference frame 22, and the distance between the two end faces of the detachable short pipe 24 is equal to the distance between the end faces of the blind flanges 23 far away from each other. The base 21 is provided with a rotating mechanism 3 for a user to drive the reference frame 22 to rotate, and the base 21 is provided with a lubricating mechanism 4 for the user to locally lubricate a blind flange 23 and a detachable short pipe 24.

When the loading and unloading system is not used, the blind flange 23 and the cut-off end part of the infusion tube 1 are detachably fixed together through a screw part, the cut-off end part of the infusion tube 1 is closed, and the axis of the detachable short tube 24 is not coincident with the axis of the infusion tube 1. When a user needs to use the loading and unloading system, the threaded part is removed, the rotating mechanism 3 drives the reference frame 22 to rotate in the vertical plane until the axis of the detachable short pipe 24 coincides with the axis of the infusion tube 1, and the detachable short pipe 24 is connected with the cut-off end part of the infusion tube 1 through the threaded part. And before the detachable short pipe 24 rotates along with the reference frame 22 to be connected with the infusion tube 1, the blind flange 23 rotates along with the reference frame 22 to be connected with the infusion tube 1, and the lubricating mechanism 4 lubricates the end face part of the detachable short pipe 24 or the blind flange 23 abutted against the infusion tube 1. Through the operation, the trouble that a user manually aligns the detachable short pipe 24 and the infusion tube 1 or manually aligns the blind flange 23 and the infusion tube 1 is avoided, the lubricating mechanism 4 lubricates the part of the detachable short pipe 24 and the blind flange 23 which can rub with the cut end face of the infusion tube 1, the end face abrasion of the detachable short pipe 24 and the blind flange 23 is effectively reduced, and the possibility of cargo liquid leakage is low.

Referring to fig. 2 and 3, a circular closing groove 231 is arranged on the end surface of the blind flange 23 close to the cut end of the infusion tube 1, and the inner diameter of the closing groove 231 is equal to the inner diameter of the infusion tube 1. The lubricating mechanism 4 includes a lubricating plate 41 fixed to the base 21 in an inclined manner, a lubricating box 42 fixed to the lubricating plate 41, the lubricating box 42 being hollow and open at the top, and an oil lubricant being loaded in the lubricating box 42. The lubricating plate 41 is provided with a lubricating sponge 43 with the bottom end inserted into the lubricating box 42, the lubricating sponge 43 is arranged in a roller shape, and the axis of the lubricating sponge 43 is parallel to the length direction of the lubricating plate 41. The number of the lubricating plates 41 is four, and the lubricating plates 41 are respectively arranged beside four corners of the reference frame 22, and a sealing cover 44 which completely covers the lubricating sponge 43 and the lubricating box 42 is detachably fixed on the lubricating plates 41 through a screw.

The lubricant in the lubrication box 42 is adsorbed on the lubrication sponge 43 due to capillary action, when the reference frame 22 rotates, the end faces of the corresponding blind flange 23 and the detachable short pipe 24 rub against the lubrication sponge 43 and drive the lubrication sponge 43 to rotate, and the lubricant is further attached to the part of the blind flange 23 and the detachable short pipe 24, which is abutted against the infusion tube 1. The lubricant reduces the likelihood of frictional damage occurring when the blind flange 23 or the detachable stub 24 is rotated with the reference frame 22 into alignment with the fluid line 1, and the likelihood of leakage of cargo fluid is low regardless of which of the detachable stub 24 or the blind flange 23 is connected to the fluid line 1. Under normal state, the lubricating sponge 43 is completely covered by the closing cover 44, and the lubricating box 42 is closed by the closing cover 44, so that the lubricant cannot leak due to the bump of the chemical ship in the process of travelling, and the use is convenient.

Referring to fig. 1, the rotating mechanism 3 includes a rotating motor 31 fixed to one end of a rotating shaft of the reference frame 22, the top surface of the base 21 is detachably fixed with two sub-supporting blocks 32 through screws, the two sub-supporting blocks 32 are symmetrically disposed on two sides of the reference frame 22, and one of the sub-supporting blocks 32 abuts against the reference frame 22. A cushion rubber layer 321 is fixed to the top surface of the sub-supporting block 32, and the cushion rubber layer 321 abuts on the side of the reference frame 22 away from the infusion tube 1. The user drives the reference frame 22 to rotate through the rotating motor 31, the possibility that the reference frame 22 vibrates along with the jolt of the chemical ship in advance is reduced through the support of the auxiliary supporting block 32 for the reference frame 22, the reference frame 22 can be further protected through the flexibility of the damping rubber block layer, the service life is long, and the use is convenient.

Referring to fig. 3 and 4, a cylindrical gripping column 232 coaxial with the blind flange 23 is fixed on the end surface of the blind flange 23 away from each other, a jaw 5 is rotatably connected on the reference frame 22, the jaws 5 are arranged in pairs, and the rotating surface of the jaw 5 is parallel to the rotating surface of the reference frame 22. The number of the clamping jaws 5 is three pairs and is respectively arranged corresponding to the detachable short pipe 24 and the blind flange 23, the three pairs of clamping jaws 5 are respectively used for clamping two middle parts of the gripping column 232 and the detachable short pipe 24, and the gap between the clamping jaws 5 and the corresponding blind flange 23 is enough for a user to install and fix the blind flange 23 and the screw part at the cut-off end part of the infusion tube 1. The opposite surfaces of the clamping jaws 5 are provided with sawtooth grooves for increasing friction force, and the switching frame is provided with a clamping part for a user to control the rotation of the clamping jaws 5. The clamping part comprises a worm 51 which is rotatably connected with the switching frame, the worm 51 is arranged between the two claws 5 of the same pair, and the axis of the worm 51 is vertical to the connecting line of the two claws 5 of the same pair. A worm wheel 52 meshed with a worm 51 is fixed on the rotating shaft of the two claws 5 on the same line, and one end of the worm 51 is connected with a clamping motor 53.

The user drives the worm 51 to rotate through the chucking motor 53, and the jaws 5 are driven to mutually approach or mutually depart from each other to rotate through the meshing of the worm wheel 52 and the worm 51, so that the jaws 5 clamp the corresponding middle parts of the grasping columns 232 and the detachable short pipe 24, and further the blind flange 23 and the detachable short pipe 24 are fixed on the reference frame 22. And the blind flange 23 and the detachable short pipe 24 can be replaced at will when needed, and the maintenance is convenient.

The implementation principle of the embodiment is as follows: the user passes through rotating electrical machines 31 drive benchmark frame 22 rotatory for blind flange 23 and removable nozzle stub 24 are automatic and the transfer line 1 aligns along with benchmark frame 22's rotation, remove the trouble of manual alignment from, and reduce frictional resistance through adnexed emollient with the friction of the lubricated sponge 43 that corresponds during the rotation, and the wearing and tearing probability is low, and the leakproofness after the connection is good, and the possibility that the goods liquid was revealed is low, convenient to use and safety.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cargo handling system of chemical ship, includes the cargo handling piping system that transfer line (1), liquid cargo pump, midship cross tube are constituteed, the one end and midship cross tube of transfer line (1) are connected, install at ship stern portion behind the chemical ship accommodation life area is passed to the other end of transfer line (1), be provided with isolating device (2) that cut off transfer line (1) on transfer line (1), isolating device (2) set up the one side far away from ship stern portion in chemical ship accommodation life area, its characterized in that: isolating device (2) are including base (21), benchmark frame (22), blind flange (23) and removable nozzle stub (24), benchmark frame (22) is parallel to the axis of transfer line (1) with the pivot axis of base (21) swivelling joint and benchmark frame (22), benchmark frame (22) are V-arrangement setting and blind flange (23) and removable nozzle stub (24) can be dismantled and fix on the bipartition fork end of V-arrangement, be provided with on base (21) and control benchmark frame (22) and rotate respectively to blind flange (23) and transfer line (1) align or can dismantle nozzle stub (24) and transfer line (1) the rotary mechanism (3) of aligning, be provided with on base (21) and be used for lubricating blind flange (23) and removable nozzle stub (24) with lubrication mechanism (4) of the part of transfer line (1) butt.

2. A cargo handling system for a chemical tanker according to claim 1, wherein: be provided with circular closed groove (231) on the terminal surface that blind flange (23) kept away from each other, the internal diameter of closed groove (231) is equal with the internal diameter of transfer line (1), lubrication mechanism (4) are including lubricating plate (41) of slope fixing on base (21), be fixed with lubricated box (42) that open-top and inside bear the weight of oily emollient on lubricating plate (41), be provided with lubricated sponge (43) that the bottom inserted in lubricated box (42) on lubricating plate (41), the total four of quantity of lubricating plate (41) just sets up the four corners department in benchmark frame (22) respectively, blind flange (23) and removable nozzle stub (24) all with corresponding lubricated sponge (43) butt friction when rotatory along with the switching frame.

3. A cargo handling system for a chemical tanker according to claim 2, wherein: the lubricating sponge (43) is arranged in a roller shape and is rotationally connected with the lubricating plate (41), and the rotating surface of the lubricating sponge (43) is parallel to the top surface of the lubricating plate (41).

4. A cargo handling system for a chemical tanker according to claim 2, wherein: the lubricating plate (41) is detachably connected with a sealing cover (44) which is used for completely covering the lubricating sponge (43) and sealing the lubricating box (42).

5. A cargo handling system for a chemical tanker according to claim 1, wherein: the rotating mechanism (3) comprises a rotating motor (31) fixed with one end of a rotating shaft of the reference frame (22), and a secondary support block (32) used for reducing the possibility that the reference frame (22) vibrates along with the chemical ship is detachably fixed on the top surface of the base (21) through a threaded piece.

6. A cargo handling system for a chemical tanker according to claim 5, wherein: and a damping rubber layer (321) is fixed on the top surface of the secondary supporting block (32).

7. A cargo handling system for a chemical tanker according to claim 1, wherein: the end fixing that blind plate flange (23) kept away from each other has and holds column (232), swivelling joint has jack catch (5) that are used for the fixed removable nozzle stub of chucking (24) and hold column (232) on benchmark frame (22), jack catch (5) set up in pairs, be provided with the chucking part that is used for controlling jack catch (5) rotation on benchmark frame (22).

8. A cargo handling system for a chemical tanker according to claim 7, wherein: chucking part includes worm (51) with benchmark frame (22) swivelling joint, worm (51) correspond jack catch (5) setting and the axis perpendicular of worm (51) with the line of two jack catch (5) of pair, with two of pair be fixed with worm wheel (52) and two worm wheel (52) symmetries with worm (51) meshing in the pivot of jack catch (5) and set up the both sides at worm (51), the one end of worm (51) is connected with chucking motor (53).