CN112550566A - Cargo handling system for stainless steel chemical ship - Google Patents
Cargo handling system for stainless steel chemical ship Download PDFInfo
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- CN112550566A CN112550566A CN202011569988.5A CN202011569988A CN112550566A CN 112550566 A CN112550566 A CN 112550566A CN 202011569988 A CN202011569988 A CN 202011569988A CN 112550566 A CN112550566 A CN 112550566A
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- stainless steel
- conveying pipe
- fastening
- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
- B63B27/25—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines for fluidised bulk material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
- B63B27/34—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures using pipe-lines
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The invention relates to a cargo handling system for stainless steel chemical ships, which comprises an oil storage unit, a conveying unit and a cleaning unit, wherein the oil storage unit is used for storing oil; the oil storage unit comprises a seashore cargo hold, a plurality of ship cargo holds and an oil storage tank; the conveying unit comprises a stainless steel conveying pipe for connecting the first connecting pipe with the coastal cargo hold, an intelligent loading and unloading oil cutting device is arranged on the stainless steel conveying pipe, a first pressure sensor is arranged at the position, close to the coastal cargo hold, of the stainless steel conveying pipe, and a second pressure sensor is arranged at the position, close to the ship cargo hold, of the first connecting pipe; the cleaning unit comprises a flushing valve and a purging valve which are arranged at the position, close to the coastal cargo hold, of the stainless steel conveying pipe, the flushing valve is connected with an external water source through a pipeline, and the purging valve is connected with an external air source through a pipeline. The invention has the following advantages: the abrasion and deformation damage of the conveying pipe are avoided, the connection tightness of switching between the loading and unloading oil cutting state and the working state is guaranteed, and meanwhile the switching efficiency between the loading and unloading oil cutting state and the working state is improved.
Description
The technical field is as follows:
the invention belongs to the field of chemical ships, and particularly relates to a cargo handling system for a stainless steel chemical ship.
Background art:
the cargo handling system of a chemical carrier is a life line for a ship operation, and cargo to be carried includes not only flammable and explosive oil-type hazardous materials but also toxic materials which emit toxic vapors to pollute the environment, so that it is necessary to be highly safe and easy to operate in order to prevent leakage of the materials and pollution of the environment or marine accidents caused by fire.
At present, liquid cargos of a chemical ship are conveyed between a ship cargo hold and a coast cargo hold through a conveying pipe, however, a large amount of static electricity is easily gathered due to mutual collision and friction of the liquid cargos in the conveying process, the static electricity at a certain position of the conveying pipe is concentrated and easily blocked, the normal oil loading or unloading efficiency of a cargo loading and unloading system is influenced, meanwhile, the friction force on the inner wall of the conveying pipe at the blocked position is large, and the conveying pipe is easily worn and even deformed and damaged;
in a cargo handling system of a chemical tanker of patent No. CN201325578Y, when the cargo handling system needs to be filled with or unloaded with oil, the blind flange of the isolating device needs to be disassembled to be communicated with the conveying pipe, and when the cargo handling system does not work, the detachable short pipe of the isolating device on the conveying pipe needs to be manually disassembled, and then the blind flange is installed on the conveying pipe to cut off the conveying pipe, but at present, the structure needs an operator to manually switch the detachable short pipe and the blind flange of the isolating device, when the structure is installed, flanges at two ends of the detachable short pipe or two blind flanges and two flanges at a gap of the conveying pipe need to be fixedly connected through a plurality of circumferentially distributed bolts in sequence, the labor intensity is large, the alignment precision between the flanges is low, deviation easily occurs when the flanges are connected, great trouble is brought to the subsequent screwing and fixing of the bolts, and the connection between the flanges can not be ensured, since the chemical tanker is extremely dangerous in case of leakage of liquid cargo during transportation, it is important how to design the cargo handling system to ensure the service life of the transportation pipe and the tightness of the connection.
The invention content is as follows:
the invention aims to overcome the defects and provide a cargo handling system for a stainless steel chemical ship, which avoids the abrasion and deformation damage of a conveying pipe, ensures the connection tightness of switching between an oil handling cutting state and a working state and improves the switching efficiency between the oil handling cutting state and the working state.
The purpose of the invention is realized by the following technical scheme: a cargo handling system for stainless steel chemical ships comprises an oil storage unit, a conveying unit and a cleaning unit;
the oil storage unit comprises a coast cargo hold, a plurality of ship cargo holds and an oil storage tank, the ship cargo holds are communicated through a first connecting pipe, the oil storage tank is communicated with the ship cargo holds through a second connecting pipe and a plurality of connecting branch pipes, the oil storage tank is provided with a plurality of liquid cargo pumps, the liquid cargo pumps are sequentially connected with the corresponding connecting branch pipes, the connecting branch pipes are connected with the second connecting pipe, and the second connecting pipe is provided with an isolation valve;
the conveying unit comprises a stainless steel conveying pipe for connecting the first connecting pipe with the coastal cargo hold, an intelligent loading and unloading oil cutting device is arranged on the stainless steel conveying pipe, a first pressure sensor is arranged at the position, close to the coastal cargo hold, of the stainless steel conveying pipe, a second pressure sensor is arranged at the position, close to the ship cargo hold, of the first connecting pipe, and the first pressure sensor and the second pressure sensor are both electrically connected with the liquid cargo pump; the intelligent oil loading and unloading cut-off device comprises a roller body, a supplementary short pipe group and a flange seal section group, wherein the supplementary short pipe group and the flange seal section group are arranged on two sides of the roller body and correspondingly arranged on two sides of the roller body, the supplementary short pipe group and the flange seal section group are used for communicating or cutting off a stainless steel conveying pipe along with the rotation of the roller body, a notch which can be communicated with the supplementary short pipe group is arranged at the position, close to the intelligent oil loading and unloading cut-off device, of the stainless steel conveying pipe, conveying pipe flanges fixedly connected with the stainless steel conveying pipe are arranged at two ends of the notch, fastening mechanisms are arranged on the supplementary short pipe group and the flange seal section group, and the fastening mechanisms are used for tightly and tightly connecting the supplementary short pipe group and the flange;
the cleaning unit comprises a flushing valve and a purging valve which are arranged at the position, close to the coastal cargo hold, of the stainless steel conveying pipe, the flushing valve is connected with an external water source through a pipeline, and the purging valve is connected with an external air source through a pipeline.
The invention is further improved in that: intelligent loading and unloading oil cutting device still includes the base, two brackets have on the base, two brackets are located the both sides position of roll body respectively, the base has the motor near one side end of roll body, the driving gear has on the motor shaft of motor, the one end that the roll body is close to the motor has driven gear, driving gear and driven gear intermeshing transmission, the roll body is rotatable the setting on two brackets along with the transmission of motor to drive and supply short nest of tubes and flange seal section group rotation realization and stainless steel conveyer pipe be connected or cut off.
The invention is further improved in that: the supplement short pipe group comprises a supplement short pipe body and short pipe flange sections arranged at two side ends of the supplement short pipe body, the supplement short pipe body and the stainless steel conveying pipe are consistent in inner diameter and are communicated, the short pipe flange sections at two ends of the supplement short pipe body are in sealed fastening connection with the corresponding conveying pipe flanges through a fastening mechanism, and the supplement short pipe body and the roller body are fixedly connected through a first connecting frame;
the flange seal section group comprises two flange seal sections, the two flange seal sections are fixedly connected with the roller body through the second connecting frame, and the two flange seal sections are connected with the conveying pipe flanges at the two ends of the stainless steel conveying pipe in a sealing and fastening mode through the fastening mechanisms along with the rotation of the roller body.
The invention is further improved in that: the fastening mechanism comprises a plurality of fastening groups arranged on the outer circumferences of a short pipe flange section and a flange sealing section, the fastening groups are distributed on the short pipe flange section and the flange sealing section in an equi-circumference mode, the outer diameters of the short pipe flange section, the flange sealing section and a conveying pipe flange are all larger than the outer diameter of a stainless steel conveying pipe, rubber sealing layers are arranged on the end faces of the short pipe flange section and the flange sealing section, which are in contact with the conveying pipe flange, and a sensor is arranged on the top center axis position of the short pipe flange section and the flange sealing section, which is matched with the conveying pipe flange;
the fastening group comprises a fastening shell arranged on the outer circumference of the flange section of the short pipe and the flange sealing section, an inward concave groove is arranged on the end face of the fastening shell close to the flange of the conveying pipe, a cam fastening body is arranged in the groove, a speed reducing motor is arranged in the fastening shell, a gear shaft is arranged between a driving shaft A of the speed reducing motor and the cam fastening body, one end of the gear shaft penetrates through the fastening shell and is fixedly connected with the cam fastening body, the gear shaft is eccentrically and fixedly connected with the fastening shell, the other end of the gear shaft is provided with an inward concave long groove, the end of the gear shaft is sleeved on the driving shaft A of the speed reducing motor, the driving shaft A is provided with a plurality of convex ribs arranged along the extension direction of the driving shaft A, the inner wall of the long groove is provided with a limit groove matched with the convex ribs, the convex ribs are matched with the limit groove to realize the limit of the gear shaft and the driving, the end face of the gear shaft close to the gear is a threaded face, the gear shaft and the gear are mutually matched for transmission to enable the gear shaft to horizontally move on a driving shaft A of the speed reducing motor, then the cam fastening body at one end of the gear shaft is driven to move towards the direction of the conveying pipe flange, and the speed reducing motor rotates to drive the gear shaft to rotate to enable the cam fastening body to be tightly attached to the back face of the conveying pipe flange, fixed and locked.
The invention is further improved in that: the thickness of the rubber sealing layer is 10mm-20 mm.
The invention is further improved in that: the cam fastening body is provided with a protruding block extending inwards from one side end far away from the gear shaft, and the back of the conveying pipe flange is provided with a ring groove for embedding the protruding block.
The invention is further improved in that: when the motor rotates to drive the roller body to rotate, the supplement short pipe group rotates to the notch of the stainless steel conveying pipe and is fixedly connected with the stainless steel conveying pipe through the fastening mechanism, and the conveying work of the cargo handling system is realized; when the motor rotates to drive the roller body to rotate, the flange seal section group rotates to the notch of the stainless steel conveying pipe and is fixedly connected with the stainless steel conveying pipe through the fastening mechanism, and then the cargo handling system is cut off.
The invention is further improved in that: the fastening step of the fastening mechanism includes:
s1, when the flange seal section of the short pipe flange section or the flange seal section group of the supplementary short pipe group rotates and is jointed with the conveying pipe flange of the stainless steel conveying pipe until the flange seal section and the conveying pipe flange are overlapped, a sensor on the short pipe flange section or the flange seal section detects information and transmits the information to a controller, the controller sends a signal instruction for stopping the rotation of the roller body to a motor, and at the moment, the short pipe flange section or the flange seal section is correspondingly jointed with the conveying pipe flange;
s2, the controller sends signal instructions to the driving motors of the plurality of fastening groups, at the moment, the driving motors rotate to drive the gears to rotate, the gear and the gear shaft are meshed for transmission so as to drive the cam fastening body at one end of the gear shaft to move towards the direction of the conveying pipe flange, at the moment, the controller sends a signal instruction of stopping running to the driving motor and a signal instruction of starting running to the speed reducing motor, the speed reducing motor rotates 180 degrees so that the convex block of the cam fastening body rotates to the back of the conveying pipe flange, the controller sends a signal instruction of stopping running to the speed reducing motor and then sends a signal instruction of starting reverse running to the driving motor, and the driving motor rotates reversely, make gear and gear shaft meshing transmission and drive the ring groove removal at the conveyer pipe flange back of the cam fastening body of gear shaft, until the cam fastening body card in the ring groove, driving motor stall to accomplish the fastening connection of stub pipe flange section or flange seal section and conveyer pipe flange.
Compared with the prior art, the invention has the following advantages:
1. the conveying pipe for loading and unloading oil adopts a stainless steel conveying pipe structure, the surface of stainless steel is smooth, the friction of liquid goods on the stainless steel conveying pipe is reduced, the phenomenon of electrostatic concentration in the stainless steel conveying pipe is reduced, and the blockage in the stainless steel conveying pipe is avoided.
2. Liquid cargo is comparatively gathering in discharge gate department, consequently take place to block up in the pipeline position that is close to boats and ships cargo hold or coast cargo hold easily, set up first pressure sensor in the position that stainless steel conveyer pipe is close to the coast cargo hold in this application, the position that is close to boats and ships cargo hold at first connecting pipe sets up second pressure sensor, a jam condition for both positions department of real-time supervision, in case the discovery pressure value is greater than certain numerical value after, then the corresponding flow that reduces the liquid cargo pump, make the velocity of flow of liquid cargo in the pipeline be not more than 5.5m/s, avoid the pipeline to be close to the inside jam condition that takes place in the position of boats and ships cargo hold or coast cargo hold, guarantee cargo handling system's normal operating work and.
3. Adopt intelligent loading and unloading oil cutting device, the accurate counterpoint between the intelligent realization flange, avoid taking place the off normal between delivery pipe flange and short tube flange section or the flange seal section, it is fixed that accurate counterpoint is automatic to realize the locking after finishing, replace the artifical operating procedure who screws up bolt mounting flange of tradition, when liberating the labour, it is more firm to make the connection between two flanges, improve the loading and unloading oil and cut off the switching efficiency under the operating condition, the rubber seal layer between two flanges improves the gas tightness under the clamping action of fastening group greatly simultaneously, avoid the liquid goods in the delivery pipe to leak and polluted environment and poison the staff.
Description of the drawings:
fig. 1 is a schematic structural view of a cargo handling system for a stainless steel chemical ship according to the present invention.
Fig. 2 is a schematic structural diagram of an intelligent cargo oil handling cutoff device of a cargo handling system for stainless steel chemical ships according to the present invention, and a schematic structural diagram of a delivery pipe in a connected operating state.
FIG. 3 is a schematic structural view of a notch of a stainless steel delivery pipe of the cargo handling system for a stainless steel chemical ship according to the present invention.
Fig. 4 is a schematic structural diagram of an intelligent cargo oil handling cutting device of the cargo handling system for stainless steel chemical ships according to the present invention.
Fig. 5 is an enlarged schematic view of structure a in fig. 2.
Fig. 6 is a schematic view of the connection between the cam fastener and the gear shaft and the gear motor in fig. 5.
Fig. 7 is a sectional view taken along line a-a in fig. 6.
Reference numbers in the figures:
1-oil storage unit, 2-conveying unit and 3-cleaning unit;
11-coast cargo hold, 12-ship cargo hold, 13-oil storage tank, 14-first connecting pipe, 15-second connecting pipe, 16-connecting branch pipe, 17-cargo storage pump, 18-isolation valve;
21-a stainless steel conveying pipe, 22-an intelligent oil loading and unloading cutting device, 23-a first pressure sensor, 24-a second pressure sensor, 25-a notch and 26-a conveying pipe flange;
221-roller body, 222-supplement short pipe group, 223-flange seal section group, 224-controller, 225-fastening mechanism, 226-base, 227-bracket, 228-motor, 229-driving gear, 2210-driven gear;
2221-supplement short pipe body, 2222-short pipe flange section and 2223-first connecting frame;
2231-flange seal segment, 2232-second connecting frame;
2251-fastening group, 2252-rubber seal, 2253-sensor, 2254-fastening housing, 2255-groove, 2256-cam-fastening body, 2257-gear motor, 2258-drive shaft a, 2259-toothed shaft, 2260-elongated slot, 2261-rib, 2262-limit slot, 2263-drive motor, 2264-drive shaft B, 2265-gear, 2266-thread face, 2267-lug, 2268-ring slot;
31-flushing valve, 32-purging valve.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship, such as one based on the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the structure or unit indicated must have a specific orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise specified and limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, so that those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.
Fig. 1 shows an embodiment of a cargo handling system for stainless steel chemical ships according to the present invention, which includes an oil storage unit 1, a conveying unit 2, and a cleaning unit 3;
the oil storage unit 1 comprises a coast cargo hold 11, a plurality of ship cargo holds 12 and an oil storage tank 13, wherein the ship cargo holds 12 are communicated through a first connecting pipe 14, the oil storage tank 13 is communicated with the ship cargo holds 12 through a second connecting pipe 15 and a plurality of connecting branch pipes 16, the oil storage tank 13 is provided with a plurality of liquid cargo pumps 17, the liquid cargo pumps 17 are sequentially connected with the corresponding connecting branch pipes 16, the connecting branch pipes 16 are connected with the second connecting pipe 15, and the second connecting pipe 15 is provided with an isolation valve 18;
the conveying unit 2 comprises a stainless steel conveying pipe 21 for connecting the first connecting pipe 14 with the coastal cargo hold 11, an intelligent loading and unloading oil cutting device 22 is arranged on the stainless steel conveying pipe 21, a first pressure sensor 23 is arranged at the position, close to the coastal cargo hold 11, of the stainless steel conveying pipe 21, a second pressure sensor 24 is arranged at the position, close to the ship cargo hold 12, of the first connecting pipe 14, and the first pressure sensor 23 and the second pressure sensor 24 are both electrically connected with the liquid cargo pump 17; as shown in fig. 2, the intelligent oil handling and cutting device 22 includes a roller body 221, and a supplementary short tube group 222 and a flange seal group 223 disposed on both sides of the roller body 221, and further includes a controller 224, the supplementary short tube group 222 and the flange seal group 223 are disposed on both sides of the roller body 221 correspondingly, and the supplementary short tube group 222 and the flange seal group 223 communicate or cut off the stainless steel delivery tube 21 along with the rotation of the roller body 221, as shown in fig. 3, a notch 25 capable of communicating with the supplementary short tube group 222 is disposed at a position of the stainless steel delivery tube 21 close to the intelligent oil handling and cutting device 22, delivery tube flanges 26 fixedly connected to the stainless steel delivery tube 21 are disposed at both ends of the notch 25, and fastening mechanisms 225 are disposed on the supplementary short tube group 222 and the flange seal group 223, and the fastening mechanisms 225 hermetically connect the supplementary short tube group 222 and the flange seal group 223 with the corresponding delivery tube flanges 26;
the cleaning unit 3 comprises a flushing valve 31 and a purging valve 32 which are arranged at the position of the stainless steel conveying pipe 21 close to the coastal cargo hold 11, wherein the flushing valve 31 is connected with an external water source through a pipeline, and the purging valve 32 is connected with an external air source through a pipeline.
The conveying pipe for loading and unloading oil adopts a stainless steel conveying pipe structure, the surface of stainless steel is smooth, the friction of liquid goods on the stainless steel conveying pipe is reduced, the phenomenon of electrostatic concentration in the stainless steel conveying pipe is reduced, and the blockage in the stainless steel conveying pipe is avoided.
Wherein, the liquid cargo comparatively gathers in discharge gate department, consequently take place to block up in the pipeline position that is close to boats and ships cargo hold 12 or coast cargo hold 11 easily, set up first pressure sensor 23 in the position that stainless steel conveyer pipe 21 is close to coast cargo hold 11 in this application, set up second pressure sensor 24 in the position that first connecting pipe 14 is close to boats and ships cargo hold 12, a jam condition for the jam condition of real-time supervision both positions department, in case discover after the pressure value is greater than certain numerical value, then corresponding reduction liquid cargo pump 17's flow, make the velocity of flow of liquid cargo in the pipeline be not more than 5.5m/s, avoid the pipeline to be close to boats and ships cargo hold 12 or coast cargo hold 11's the inside jam condition that takes place of position, guarantee goods handling system's normal operating work and life.
The chemical tanker cargo handling system in the present application operates as follows:
1. when the cargo handling system does not work, the intelligent oil handling cutting device 22 is switched to a cutting state, the two ends of the stainless steel conveying pipe 21 in the gap 25 are sealed, the residual liquid cargo slag in the stainless steel conveying pipe 21 is prevented from flowing out, and the isolation valve 18, the flushing valve 31 and the purging valve 32 are closed;
2. when the cargo handling system is filled with oil, the intelligent loading and unloading oil cutting device 22 is switched to a working state, so that the stainless steel conveying pipe 21 is communicated, the isolating valve 18 is opened, the liquid cargo pump 17 works to suck the liquid cargo in the coastal cargo hold 11, one part of the liquid cargo flows to the ship cargo hold 12, the other part of the liquid cargo flows to the oil storage tank 13, and a valve (not shown in the figure) corresponding to the ship cargo hold 12 can be arranged on the first connecting pipe 14 to selectively convey the liquid cargo to the oil storage tank 13 or the ship cargo hold 12; when the cargo handling system is unloading, liquid cargo in the oil storage tank 13 or the ship cargo hold 12 may be transferred into the shore cargo hold 11 by a draw-off pump (not shown, in principle, in line with the liquid cargo pump) near the shore cargo hold 11.
Further, the intelligent oil handling cutting device 22 further includes a base 226, two brackets 227 are provided on the base 226, the two brackets 227 are respectively located at two sides of the roller body 221, a motor 228 is provided at one side end of the base 226 close to the roller body 221, a driving gear 229 is provided on a motor shaft of the motor 228, a driven gear 2210 is provided at one end of the roller body 221 close to the motor 228, the driving gear 229 and the driven gear 2210 are in mesh transmission, the roller body 221 is rotatably provided on the two brackets 227 along with the transmission of the motor 228, and drives the supplement short pipe group 222 and the flange seal section group 223 to rotate so as to connect or disconnect the stainless steel conveying pipe 21.
Further, as shown in fig. 4, the supplementary stub pipe set 222 includes a supplementary stub pipe body 2221 and stub pipe flange sections 2222 disposed at both side ends of the supplementary stub pipe body 2221, the supplementary stub pipe body 2221 is in accordance with and communicated with the inner diameter of the stainless steel conveying pipe 21, the stub pipe flange sections 2222 at both ends of the supplementary stub pipe body 2221 are in sealed fastening connection with the corresponding conveying pipe flanges 26 by a fastening mechanism 225, and the supplementary stub pipe body 2221 is fixedly connected with the roller body 221 by a first connecting frame 2223;
the flange seal section group 223 includes two flange seal sections 2231, the two flange seal sections 2231 are fixedly connected with the roller body 221 through the second connecting frame 2232, and the two flange seal sections 2231 are connected with the conveying pipe flanges 26 at the two ends of the stainless steel conveying pipe 21 through the fastening mechanism 225 in a sealing and fastening manner along with the rotation of the roller body 221.
In the application, the driving gear 229 and the driven gear 2210 are driven to be meshed with each other for transmission through the action of the motor 228, so that the roller body 221 rotates on the bracket 227, wherein the driving gear 229 and the driven gear 2210 can drive the roller body 221 to rotate through a conveying belt or a conveying chain, without limitation, and the roller body 221 rotates, so that the switching connection of the positions of the supplement short pipe group 222, the flange seal section group 223 and the notch 25 of the stainless steel conveying pipe 21 can be realized.
When the supplementary short pipe group 222 is connected with the conveying pipe flange 26 of the stainless steel conveying pipe 21, the stainless steel conveying pipe 21 is conducted, and when the flange seal section group 223 is connected with the conveying pipe flange 26 of the stainless steel conveying pipe 21, the stainless steel conveying pipe 21 is cut off, so that the working state and the cutting state of the cargo handling system can be switched rapidly, and the switching efficiency is greatly improved.
Further, as shown in fig. 5, the fastening mechanism 225 includes a plurality of fastening groups 2251 disposed on the outer circumferences of the short pipe flange section 2222 and the flange sealing section 2231, the plurality of fastening groups 2251 are distributed on the short pipe flange section 2222 and the flange sealing section 2231 in an equal circumference, the outer diameters of the short pipe flange section 2222, the flange sealing section 2231 and the delivery pipe flange 26 are all larger than the outer diameter of the stainless steel delivery pipe 21, the rubber sealing layers 2252 are disposed on the end surfaces of the short pipe flange section 2222, the flange sealing section 2231, which are in contact with the delivery pipe flange 26, and the sensors 2253 are disposed on the top central axis positions of the short pipe flange section 2222 and the flange sealing section 2231, which are engaged with the delivery pipe flange 26;
the fastening group 2251 includes a fastening housing 2254 disposed on the outer circumference of the short pipe flange segment 2222 and the flange sealing segment 2231, the fastening housing 2254 has an inwardly recessed groove 2255 on the end surface thereof near the transmission pipe flange 26, a cam fastening body 2256 is disposed in the groove 2255, a speed reduction motor 2257 is disposed in the fastening housing 2254, a gear shaft 2259 is disposed between the driving shaft a2258 of the speed reduction motor 2257 and the cam fastening body 2256, as shown in fig. 6 and 7, one end of the gear shaft 2259 penetrates the fastening housing 2254 and is fixedly connected to the cam fastening body 2256, the gear shaft 2259 is eccentrically and fixedly connected to the fastening housing 2254, the other end of the gear shaft 2259 has an inwardly recessed elongated groove 2260 and the end of the gear shaft 2259 is sleeved on the driving shaft a 8 of the speed reduction motor 2257, the driving shaft a2258 has a plurality of ribs 2261 disposed along the extending direction of the driving shaft a2258, the inner wall of the elongated groove 2260 has a retaining groove 2262 for retaining the retaining of the rib 2262, and the retaining groove 2268 for retaining the circumferential direction of the gear shaft 2268, the fastening housing 2254 further has a driving motor 2263 therein, a gear 2265 is fixedly connected to a driving shaft B2264 of the driving motor 2263, an end surface of the gear shaft 2259 close to the gear 2265 is a threaded surface 2266, the gear shaft 2259 and the gear 2265 are mutually matched and driven to horizontally move the gear shaft 2259 on a driving shaft a2258 of the reducing motor 2257, so as to drive the cam fastening body 2256 at one end of the gear shaft 2259 to move toward the conveying pipe flange 26, and at this time, the reducing motor 2257 rotates to drive the gear shaft 2259 to rotate, so that the cam fastening body 25256 is tightly fixed and locked with the back surface of the conveying pipe flange 26.
Further, the thickness of the rubber sealing layer 2252 is 10mm to 20 mm.
Further, a protruding block 2267 extends inward from the side of the cam fastener 2256 away from the gear shaft 2259, and a ring groove 2268 is formed on the back of the delivery pipe flange 26 for receiving the protruding block 2267.
Further, when the motor 228 rotates to drive the roller 221 to rotate, so that the supplementary short pipe group 222 rotates to the gap 25 of the stainless steel conveying pipe 21 and is fixedly connected with the stainless steel conveying pipe 21 through the fastening mechanism 225, the conveying work of the cargo handling system is realized; when the motor 228 rotates to drive the roller 221 to rotate, the flange seal segment group 223 rotates to the notch 25 of the stainless steel conveying pipe 21 and is fixedly connected with the stainless steel conveying pipe 21 through the fastening mechanism 225, and then the goods handling system is cut off.
Further, the fastening step of the fastening mechanism 225 includes:
s1, when the short pipe flange section 2222 of the supplementary short pipe group 222 or the flange seal section 2231 of the flange seal section group 223 rotates and is attached to the conveying pipe flange 26 of the stainless steel conveying pipe 21 until the short pipe flange section 2222 or the flange seal section 2231 is overlapped, the sensor 2253 on the short pipe flange section 2222 or the flange seal section 2231 detects the information and transmits the information to the controller 224, the controller 224 sends a signal instruction to the motor 228 to stop the rotation of the roller body 221, and at this time, the short pipe flange section 2222 or the flange seal section 2231 is attached to the conveying pipe flange 26 correspondingly;
s2, the controller 224 sends a signal to the driving motors 2263 of the fastening groups 2251, and at this time, the driving motors 2263 rotate to drive the gears 2265 to rotate, so that the gears 2265 are in meshing transmission with the toothed shafts 2259 to drive the cam fastening bodies 2256 at one end of the toothed shafts 2259 to move towards the direction of the conveying pipe flange 26, at this time, the controller 224 sends a signal to stop the operation to the driving motors 2263 and a signal to start the operation to the deceleration motor 2257, the deceleration motor 2257 rotates 180 ° to rotate the protruding blocks 2267 of the cam fastening bodies 2256 to the back side of the conveying pipe flange 26, the controller 224 sends a signal to stop the operation to the deceleration motor 2257 and then sends a signal to start the reverse rotation to the driving motors 2263, the driving motors 2263 rotates in reverse direction to make the gears 2265 in meshing transmission with the toothed shafts 2259 and drive the cam fastening bodies 2256 of the toothed shafts 2259 to move towards the annular grooves 2268 on the back side of the conveying pipe flange 22626, until the cam fastener 2256 is engaged in the annular groove 2268, the driving motor 2263 is stopped, thereby completing the fastening of the short pipe flange section 2222 or the flange sealing section 2231 to the delivery pipe flange 26.
In the application, by adopting the intelligent oil loading and unloading cutting device 22, when the supplementary short pipe group 222 or the flange seal section group 223 is switched with the conveying pipe flange 26, the roller body 21 rotates to enable the short pipe flange section 2222 or the flange seal section 2231 to rotate to the conveying pipe flange 26, the sensor 2253 detects the two contacted flanges until the two flanges are accurately aligned, the roller body 21 stops rotating, the accurate alignment between the flanges is intelligently realized, and the deviation between the conveying pipe flange and the short pipe flange section or the flange seal section is avoided;
secondly, carry out fastening connection through fastening group 2251 to the flange of above-mentioned two contacts, the locking is fixed in the automatic realization, replace the operation step of traditional artifical screwed bolt fixed flange, when liberating the labour, make the connection between two flanges more firm, improve the switching efficiency under loading and unloading oil cutting off and the operating condition, the rubber sealing layer 2252 between two flanges improves the gas tightness greatly under the clamping effect of fastening group 2251 simultaneously, avoids the liquid goods in the conveyer pipe to leak and pollutes environment and poison the staff.
A plurality of fastening groups 2251 can be arranged on the side wall of the short pipe flange section 2222 or the flange sealing section 2231, and the fastening groups 2251 can simultaneously clamp two connected flanges, so as to improve the clamping force; the rotation of the driving motor 2263 causes the driving shaft B2264 to drive the gear 2265 to rotate, the gear shaft 2259 is in meshing transmission with the gear 2265, so that the gear shaft 2259 moves forward along with the rotation of the gear 2265, the cam fastener body 2256 moves towards the back of the conveying pipe flange 26, at this time, the reduction motor 2257 rotates, and as the gear shaft 2259 is engaged with the driving shaft a2258 of the reduction motor 2257, the cam fastener body 2256 rotates 180 degrees along with the rotation of the gear shaft 2259, the protruding block 2267 of the cam fastener body 2256 corresponds to the annular groove 2268 on the back of the conveying pipe flange 26, and the reverse rotation of the gear 2265 causes the gear shaft 2259 to contract inwards until the protruding block 2267 is clamped in the annular groove 2268, so that the two flanges are fastened.
With regard to the design structure of the protruding block 2267 and the annular groove 2268 on the cam fastening body 2256, the connection between the two flanges is more fastened, and during clamping, under the buffering action of the rubber sealing layer 2252 and the clamping action of the fastening group 2251, the connection stability of the two flanges is improved, the air tightness at the connection between the two flanges is ensured, and leakage of the stainless steel conveying pipe 21 during conveying is avoided.
The fastening group 2251 adopts the dual-motor combination of the speed reduction motor 2257 and the driving motor 2263 to realize the circumferential rotation and the horizontal movement of the gear shaft 2259, so that the cam fastening body 2256 eccentrically connected with the gear shaft 2259 is loosened or fastened with the conveying pipe flange 26, and is fastened intelligently, and two flanges are fixed by loosening and manually tightening bolts; and the transmission mode through the gear shaft 2259 and the gear 2265 is smoother compared with the structure that the driving cylinder moves forwards and backwards.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a marine goods handling system of stainless steel chemicals which characterized in that: comprises an oil storage unit, a conveying unit and a cleaning unit;
the oil storage unit comprises a seashore cargo hold, a plurality of ship cargo holds and an oil storage tank, the ship cargo holds are communicated through a first connecting pipe, the oil storage tank is communicated with the ship cargo holds through a second connecting pipe and a plurality of connecting branch pipes, the oil storage tank is provided with a plurality of liquid cargo pumps, the liquid cargo pumps are sequentially connected with the corresponding connecting branch pipes, the connecting branch pipes are connected with the second connecting pipe, and the second connecting pipe is provided with an isolation valve;
the conveying unit comprises a stainless steel conveying pipe for connecting a first connecting pipe with a coastal cargo hold, an intelligent loading and unloading oil cutting device is arranged on the stainless steel conveying pipe, a first pressure sensor is arranged at the position, close to the coastal cargo hold, of the stainless steel conveying pipe, a second pressure sensor is arranged at the position, close to the ship cargo hold, of the first connecting pipe, and the first pressure sensor and the second pressure sensor are both electrically connected with a liquid cargo pump; the intelligent oil loading and unloading cutting device comprises a roller body, a supplementary short pipe group, a flange seal section group and a controller, wherein the supplementary short pipe group and the flange seal section group are arranged on two sides of the roller body and are correspondingly arranged on two sides of the roller body, the supplementary short pipe group and the flange seal section group are used for communicating or cutting off a stainless steel conveying pipe along with the rotation of the roller body, a notch which can be communicated with the supplementary short pipe group is arranged at a position, close to the intelligent oil loading and unloading cutting device, of the stainless steel conveying pipe, conveying pipe flanges fixedly connected with the stainless steel conveying pipe are arranged at two ends of the notch, fastening mechanisms are arranged on the supplementary short pipe group and the flange seal section group, and the fastening mechanisms are used for tightly and tightly connecting the supplementary short pipe group and the flange seal section group with the corresponding;
the cleaning unit comprises a flushing valve and a purging valve, wherein the flushing valve and the purging valve are arranged at the position, close to the coastal cargo hold, of the stainless steel conveying pipe, the flushing valve is connected with an external water source through a pipeline, and the purging valve is connected with an external air source through a pipeline.
2. The marine stainless steel chemical cargo handling system of claim 1, wherein: intelligent loading and unloading oil cutting device still includes the base, two brackets have on the base, two brackets are located the both sides position of roll body respectively, one side end that the base is close to the roll body has the motor, the driving gear has on the motor shaft of motor, the one end that the roll body is close to the motor has driven gear, driving gear and driven gear intermeshing transmission, the roll body is along with the transmission of motor rotatable setting on two brackets to it seals section group with the flange to drive supplementary short nest of tubes and rotates the realization and be connected or cut off with the stainless steel conveyer pipe.
3. The cargo handling system for stainless steel chemical ships as set forth in claim 2, wherein: the supplement short pipe group comprises a supplement short pipe body and short pipe flange sections arranged at two side ends of the supplement short pipe body, the supplement short pipe body and the stainless steel conveying pipe are consistent in inner diameter and are communicated, the short pipe flange sections at two ends of the supplement short pipe body are in sealed fastening connection with the corresponding conveying pipe flanges through fastening mechanisms, and the supplement short pipe body and the roller body are fixedly connected through a first connecting frame;
the flange seal section group comprises two flange seal sections, the two flange seal sections are fixedly connected with the roller body through a second connecting frame, and the two flange seal sections are connected with the conveying pipe flanges at the two ends of the stainless steel conveying pipe in a sealing and fastening mode through fastening mechanisms along with the rotation of the roller body.
4. The cargo handling system for stainless steel chemicals vessels of claim 3 wherein: the fastening mechanism comprises a plurality of fastening groups arranged on the outer circumferences of a short pipe flange section and a flange sealing section, the fastening groups are distributed on the short pipe flange section and the flange sealing section in an equi-circumference mode, the outer diameters of the short pipe flange section, the flange sealing section and a conveying pipe flange are all larger than the outer diameter of a stainless steel conveying pipe, rubber sealing layers are arranged on the end faces of the short pipe flange section and the flange sealing section, which are in contact with the conveying pipe flange, and a sensor is arranged on the top center axis line of the short pipe flange section and the flange sealing section, which are matched with the conveying pipe flange;
the fastening group comprises a fastening shell arranged on the outer circumference of the short pipe flange section and the flange sealing section, an inward concave groove is arranged on the end face of the fastening shell close to the conveying pipe flange, a cam fastening body is arranged in the groove, a speed reducing motor is arranged in the fastening shell, a gear shaft is arranged between a driving shaft A of the speed reducing motor and the cam fastening body, one end of the gear shaft penetrates through the fastening shell and is fixedly connected with the cam fastening body, the gear shaft is eccentrically and fixedly connected with the fastening shell, the other end of the gear shaft is provided with an inward concave long groove, the end of the gear shaft is sleeved on the driving shaft A of the speed reducing motor, a plurality of convex ribs arranged along the extension direction of the driving shaft A are arranged on the driving shaft A, a limiting groove matched with the convex ribs is arranged on the inner wall of the long groove, and the convex ribs are matched with the limiting groove to realize the limiting of the gear shaft, the fastening shell is internally provided with a driving motor, a gear is fixedly connected to a driving shaft B of the driving motor, the end face, close to the gear, of the gear shaft is a threaded face, the gear shaft and the gear are matched with each other to drive the gear shaft to horizontally move on a driving shaft A of the speed reducing motor, so that the cam fastening body at one end of the gear shaft is driven to move towards the direction of the conveying pipe flange, and the speed reducing motor rotates to drive the gear shaft to rotate to enable the cam fastening body to be tightly attached to and fixed with the back face of the conveying pipe flange and to be locked.
5. The cargo handling system for stainless steel chemical ships as set forth in claim 4, wherein: the thickness of the rubber sealing layer is 10mm-20 mm.
6. The cargo handling system for stainless steel chemical ships as set forth in claim 4 or 5, wherein: the cam fastening body is provided with a protruding block extending inwards from one side end far away from the gear shaft, and the back of the conveying pipe flange is provided with a ring groove for embedding the protruding block.
7. The cargo handling system for stainless steel chemical ships as recited in claim 6, wherein: when the motor rotates to drive the roller body to rotate, the supplement short pipe group rotates to the notch of the stainless steel conveying pipe and is fixedly connected with the stainless steel conveying pipe through the fastening mechanism, and the conveying work of the cargo handling system is realized; when the motor rotates to drive the roller body to rotate, the flange seal section group rotates to the notch of the stainless steel conveying pipe and is fixedly connected with the stainless steel conveying pipe through the fastening mechanism, and then the cargo handling system is cut off.
8. The cargo handling system for stainless steel chemicals vessels of claim 7 wherein: the fastening step of the fastening mechanism includes:
s1, when the flange seal section of the short pipe flange section or the flange seal section group of the supplementary short pipe group rotates and is jointed with the conveying pipe flange of the stainless steel conveying pipe until the flange seal section and the conveying pipe flange are overlapped, a sensor on the short pipe flange section or the flange seal section detects information and transmits the information to a controller, the controller sends a signal instruction for stopping the rotation of the roller body to a motor, and at the moment, the short pipe flange section or the flange seal section is correspondingly jointed with the conveying pipe flange;
s2, the controller sends signal instructions to the driving motors of the plurality of fastening groups, at the moment, the driving motors rotate to drive the gears to rotate, the gear and the gear shaft are meshed for transmission so as to drive the cam fastening body at one end of the gear shaft to move towards the direction of the conveying pipe flange, at the moment, the controller sends a signal instruction of stopping running to the driving motor and a signal instruction of starting running to the speed reducing motor, the speed reducing motor rotates 180 degrees so that the convex block of the cam fastening body rotates to the back of the conveying pipe flange, the controller sends a signal instruction of stopping running to the speed reducing motor and then sends a signal instruction of starting reverse running to the driving motor, and the driving motor rotates reversely, make gear and gear shaft meshing transmission and drive the ring groove removal at the conveyer pipe flange back of the cam fastening body of gear shaft, until the cam fastening body card in the ring groove, driving motor stall to accomplish the fastening connection of stub pipe flange section or flange seal section and conveyer pipe flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569988.5A CN112550566A (en) | 2020-12-26 | 2020-12-26 | Cargo handling system for stainless steel chemical ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569988.5A CN112550566A (en) | 2020-12-26 | 2020-12-26 | Cargo handling system for stainless steel chemical ship |
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| CN112550566A true CN112550566A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011569988.5A Pending CN112550566A (en) | 2020-12-26 | 2020-12-26 | Cargo handling system for stainless steel chemical ship |
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| CN108202843A (en) * | 2016-12-16 | 2018-06-26 | 北辰产业株式会社 | Fuel oil transfer device |
| CN211167305U (en) * | 2019-11-13 | 2020-08-04 | 南京中港船业有限公司 | Cargo handling system of chemical tanker |
| CN112096983A (en) * | 2020-09-15 | 2020-12-18 | 靖江市富源船舶配件有限公司 | Pipeline flange for boats and ships with seal structure |
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2020
- 2020-12-26 CN CN202011569988.5A patent/CN112550566A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562051A (en) * | 1977-04-26 | 1980-03-05 | Youngstown Sheet And Tube Co | Pipe coupler |
| CN101087973A (en) * | 2004-12-24 | 2007-12-12 | 洛伦佐·鲍迈奥利 | Device for coupling and releasing a pipe fitting to a flanged pipe |
| CN2818986Y (en) * | 2005-07-22 | 2006-09-20 | 武汉劲野机械有限责任公司 | Snatched claw pipe connector |
| CN201325578Y (en) * | 2008-09-25 | 2009-10-14 | 中船重工船舶设计研究中心有限公司 | Cargo handling system for chemical tanker |
| CN108202843A (en) * | 2016-12-16 | 2018-06-26 | 北辰产业株式会社 | Fuel oil transfer device |
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Application publication date: 20210326 |
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