CN114954833A - Balance hoisting process for liquid tank of chemical ship - Google Patents
Balance hoisting process for liquid tank of chemical ship Download PDFInfo
- Publication number
- CN114954833A CN114954833A CN202210377681.8A CN202210377681A CN114954833A CN 114954833 A CN114954833 A CN 114954833A CN 202210377681 A CN202210377681 A CN 202210377681A CN 114954833 A CN114954833 A CN 114954833A
- Authority
- CN
- China
- Prior art keywords
- liquid tank
- saddle
- epoxy glue
- tank
- hoisting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/46—Gluing; Taping; Cold-bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Robotics (AREA)
- Transportation (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to a balanced hoisting process of a liquid tank of a chemical ship, which comprises the following specific steps: s1, fixing the liquid tank saddle at a preset installation position of the transport ship deck; s2, tying a stay cable steel wire rope on a lifting lug of the liquid tank, and lifting the liquid tank to a position right above a saddle of the liquid tank; s3, coating the epoxy glue on the inner surface of the liquid tank saddle; s4, positioning and floating stopping guide devices; s5, hoisting the liquid tank to enable the liquid tank to gradually fall; s6, the epoxy glue overflows from the inner wall of the liquid tank saddle along the positioning groove along with the gradual falling of the liquid tank, the discharging and cleaning structure discharges and collects the epoxy glue in the positioning groove, a quality inspector checks whether the coating quality of the epoxy glue is filled in the gap between the liquid tank saddle and the liquid tank, and if the gap is formed, the epoxy glue is manually supplemented in time at the gap; and S7, after the hoisting is finished, loosening the hoisting rope. The invention has the following advantages: guarantee the structural strength of chemical ship fluid reservoir, guarantee the equilibrium and the levelness of hoist and mount.
Description
The technical field is as follows:
the invention relates to the field of lifting of a liquid tank of a chemical ship, in particular to a balanced lifting process of the liquid tank of the chemical ship.
The background art comprises the following steps:
the chemical tanker is a liquid cargo tanker, namely a cargo tanker which is constructed or modified to carry various toxic, flammable, volatile or corrosive chemical substances, is one of the high-technology and high-value-added ships recognized at home and abroad, and has unique technical advantages compared with the common ships, such as excellent corrosion resistance, good mechanical properties and enough toughness at ultralow temperature, so that the construction cost of the chemical tanker is higher in all ships.
The chemical ship liquid tank has the characteristics of high technical difficulty, long construction period, high engineering investment and the like. At present when hoisting chemical liquid jar, generally at fluid reservoir jar body surface weld guide bar to and the guider of the guide bar embedding of being convenient for of welding on the fluid reservoir saddle, during the hoist and mount, with guide bar location to the guider on the chemical ship fluid reservoir, thereby make the fluid reservoir fall into the fluid reservoir saddle fast accurately in, can not influence fluid reservoir surface quality with the emergence collision contact between the fluid reservoir saddle. However, the existing hoisting process has the following defects: 1. the method is characterized in that a plurality of guide rods are welded on the surface of a chemical liquid tank, the welding thermal stress at the welding position is concentrated, the guide rods need to be cut after the lifting is finished, the structural strength of the chemical ship liquid tank is greatly influenced, the storage quality of chemicals in the liquid tank is greatly influenced by the structural strength of the chemical ship liquid tank (for example, LNG in the LNG liquid tank needs to be stored in a low-temperature environment of-163 ℃, the storage requirement is extremely high), and the leakage of the liquid tank can even happen seriously; 2. the guide rod on the surface of the liquid tank and the guide device on the saddle of the liquid tank are easy to be blocked in the guide process, so that the liquid tank is inclined in a hoisting manner, and even the guide rod and the guide device are damaged under the great collision force; 3. thereby realize excellent pressure-bearing and adhesion properties between fluid reservoir saddle and fluid reservoir through scribbling epoxy glue in the fluid reservoir saddle, can ensure each strong point atress evenly distributed of fluid reservoir, after the fluid reservoir hoists completely to the fluid reservoir saddle in, epoxy glue spills over along the lateral wall in can automatic towards the fluid reservoir saddle, shows promptly to be full of epoxy glue between fluid reservoir saddle and the fluid reservoir, needs the manual work to get rid of epoxy glue, and intensity of labour is big.
The invention content is as follows:
the invention aims to overcome the defects and provide a balanced hoisting process of a chemical ship liquid tank, so that the structural strength of the chemical ship liquid tank is ensured, and the hoisting balance and levelness are ensured.
The purpose of the invention is realized by the following technical scheme: a balanced hoisting process for a liquid tank of a chemical tanker comprises the following specific steps:
s1, fixing the liquid tank saddle at a preset mounting position of a transport ship deck, removing rusty spots, oil stains and water stains on the surface of the liquid tank saddle by using acetone, and polishing and removing oil gas with the thickness of more than 25 mu m;
s2, tying a stay cable steel wire rope on a lifting lug of the liquid tank, positioning a gantry crane and a hoisting rope in place, and hoisting the liquid tank to be right above a saddle of the liquid tank;
s3, blending and mixing the epoxy resin and the curing agent, stirring for 3-5 min by using a stirrer to form epoxy glue, and coating the epoxy glue on the inner surface of the liquid tank saddle;
s4, a positioning and floating-stopping guide device, wherein the floating-stopping guide device comprises a plurality of positioning grooves arranged on the inner wall of a liquid tank saddle, the positioning grooves are distributed on two sides of the liquid tank saddle and extend along the axial direction of the liquid tank, the positioning grooves extend upwards in an inclined manner from the outer side to the inner side of the liquid tank saddle, rollers which stretch inwards and outwards are arranged in the positioning grooves, a shaft lever is arranged in the center of each penetrating roller, the rollers are rotatably arranged on the shaft lever and rotate towards the outer wall of the liquid tank, the side walls of the positioning grooves are provided with sliding grooves which are embedded and slide at the side ends of the shaft lever, the extending direction of the sliding grooves is consistent with the extending direction of the positioning grooves, springs are arranged between the upper end parts and the lower end parts of the sliding grooves and the shaft lever, the floating-stopping guide device further comprises a discharge cleaning structure communicated with the positioning grooves, and the discharge cleaning structure is arranged at the outer side positions of the positioning grooves;
s5, hoisting the liquid tank to enable the liquid tank to fall gradually, stopping the liquid tank to fall when the distance between the lower end face of the liquid tank and the upper end face of the liquid tank saddle is 200-300 mm, adjusting the levelness of the liquid tank, wherein the allowable tolerance between the radial center line of the liquid tank saddle and the radial center line of the liquid tank is +/-5-6 mm, after the liquid tank meets the requirements of level and centering, the liquid tank continues to fall, ensuring that the liquid tank is contacted with a plurality of rollers on the floating stop guide device, and the rollers contract inwards under the action of the downward pressure of the liquid tank until the liquid tank is completely contacted with the liquid tank saddle, wherein the outer end faces of the rollers are in pressing contact with the liquid tank under the action of the elastic force of a spring;
s6, the epoxy glue overflows from the inner wall of the liquid tank saddle along the positioning groove along with the gradual falling of the liquid tank, the discharging and cleaning structure discharges and collects the epoxy glue in the positioning groove, a quality inspector checks whether the coating quality of the epoxy glue is filled in the gap between the liquid tank saddle and the liquid tank, and if the gap is formed, the epoxy glue is manually supplemented in time at the gap;
and S7, after the hoisting is finished, loosening the hoisting rope.
The invention is further improved in that: the row unloads clearance structure is including setting up a plurality of storage cavities on the fluid reservoir saddle, a plurality of storage cavities correspond the outside position that sets up at the constant head tank in proper order, and storage cavity realizes the intercommunication through first connecting pipe with the constant head tank that corresponds, the outside of fluid reservoir saddle has the glue storage box, the glue storage box passes through the second connecting pipe with the liquid storage cavity that corresponds and realizes the intercommunication, the upper end of liquid storage cavity has the row and unloads the drive group, the downside position of constant head tank is connected to the one end of first connecting pipe, and first connecting pipe is down towards the position slope of storage cavity by the constant head tank, first opening and closing valve has on the first connecting pipe, the second opening and closing valve has on the second connecting pipe.
The invention is further improved in that: the discharging driving group comprises a piston block arranged in the storage chamber and a connecting rod fixedly arranged at the center of the upper end of the piston block, and further comprises a driving motor, a driving end of the driving motor is fixedly connected with a driving screw rod, the lower end of the driving screw rod vertically penetrates through the connecting rod and is arranged in the connecting rod, the driving screw rod is coaxially arranged with the connecting rod and is in threaded fit connection with the connecting rod, and the driving motor rotates to drive the driving screw rod to make threaded transmission with the connecting rod to drive the connecting rod and the piston block to move up and down.
The invention is further improved in that: the liquid tank saddle is provided with a control unit which is electrically connected with the driving motor, the first opening and closing valve and the second opening and closing valve.
The invention is further improved in that: when the liquid tank is completely hoisted into the liquid tank saddle, redundant epoxy glue flows into the peripheral positioning grooves, the control unit sends a closing signal instruction to the second opening and closing valve and sends an opening signal instruction to the first opening and closing valve, meanwhile, the control unit sends a forward rotation signal instruction to the driving motor, and the piston block moves upwards in the storage chamber, so that the epoxy glue in the positioning grooves flows into the storage chamber; the control unit sends the signal instruction of antiport to driving motor, and the control unit sends the signal instruction of closing to first opening and closing valve simultaneously, sends the signal instruction of opening to the second opening and closing valve, and the piston piece is at this moment in the indoor downstream of storage chamber to press the epoxy glue in the storage chamber to storing up gluey box.
The invention is further improved in that: in step S3, when the ambient temperature is lower than 12 ℃, the mixed epoxy resin and curing agent are preheated to 20-30 ℃ by a heater.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the anti-floating guide device is arranged at the side end of the inner wall of the liquid tank saddle, when the liquid tank is hoisted into the liquid tank saddle, the outer wall of the liquid tank is contacted with the rollers at two sides, the rollers are distributed and extended along the axial direction of two sides of the liquid tank, so that a good guiding and balancing effect is achieved on the falling of the liquid tank, the rollers are rotatably arranged on the shaft rod, the friction force between the rollers and the liquid tank is reduced, meanwhile, the arrangement of the spring has a certain buffering effect on the impact generated when the liquid tank falls to the rollers, the abrasion between the surface of the liquid tank and the liquid tank saddle is avoided, and the structural strength and the surface quality of the chemical liquid tank are ensured; secondly, the structural style of cancellation at the fluid reservoir surface weld guide bar in this application adopts the structural style who ends superficial guider to set up at fluid reservoir saddle inner wall, not only avoids the chemical liquid jar to damage fluid reservoir structural strength itself because of the welding, falls completely to the fluid reservoir saddle when the fluid reservoir in addition, and the gyro wheel has certain clamp to the fluid reservoir and ends superficial effect under the spring action of spring.
2. In this application, epoxy glue flows to the constant head tank in under the extrusion force of fluid reservoir, because the direction slope of constant head tank towards the fluid reservoir, consequently epoxy glue can be along with in the first connecting tube of self action of gravity flow direction, through reciprocating and the first opening and closing valve of piston piece, opening and closing of second opening and closing valve, effectively realize epoxy glue by the constant head tank to the storage cavity, finally flow in the case to the glue storage, effectively get rid of the epoxy glue that spills over, need not operating personnel climbing and clear away on the surface of fluid reservoir saddle, and the labor intensity is reduced.
Description of the drawings:
fig. 1 is a schematic view of the installation of the liquid tank saddle and the liquid tank of the invention.
Fig. 2 is a schematic structural view of the floating stop guide device of fig. 1.
Fig. 3 is a schematic diagram of the position of the roller and the positioning groove in fig. 2.
Reference numbers in the figures:
1-a liquid tank saddle, 2-a liquid tank and 3-a floating stopping guide device;
31-positioning groove, 32-roller, 33-shaft lever, 34-sliding groove, 35-discharging cleaning structure and 36-spring;
351-storage chamber, 352-first connecting pipe, 353-glue storage box, 354-second connecting pipe, 355-first on-off valve, 356-second on-off valve, 357-discharge driving group, 3571-piston block, 3572-driving screw, 3573-connecting rod and 3574-driving motor.
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.
The balance hoisting process for the liquid tank of the chemical tanker comprises the following specific steps:
s1, fixing the liquid tank saddle 1 at a preset installation position of a transport ship deck, removing rusty spots, oil stains and water stains on the surface of the liquid tank saddle 1 by using acetone, and polishing and removing oil gas with the thickness of more than 25 mu m;
s2, tying a stay cable wire rope on a lifting lug of the liquid tank 2, placing a gantry crane and a hoisting rope in place, and hoisting the liquid tank 2 to a position right above a liquid tank saddle 1 as shown in figure 2;
s3, blending and mixing the epoxy resin and the curing agent, stirring for 3-5 min by using a stirrer to form epoxy glue, and coating the epoxy glue on the inner surface of the liquid tank saddle 1;
s4, a positioning and floating-stopping guide device 3, as shown in FIG. 2 and FIG. 3, the floating-stopping guide device 3 includes a plurality of positioning grooves 31 disposed on the inner wall of the liquid tank saddle 1, the plurality of positioning grooves 31 are distributed on both sides of the liquid tank saddle 1 and extend along the axial direction of the liquid tank 2, the positioning grooves 31 extend upwards from the outside to the inside of the liquid tank saddle 1, the positioning grooves 31 have inside and outside telescopic rollers 32, a shaft rod 33 is disposed through the center of the rollers 32, the rollers 32 are rotatably disposed on the shaft rod 33, the rollers 32 rotate towards the outer wall of the liquid tank 2, the side wall of the positioning grooves 31 has a sliding groove 34 embedded and sliding at the side end of the shaft rod 33, the extending direction of the sliding groove 34 is consistent with the extending direction of the positioning grooves 31, springs 36 are disposed between the upper and lower ends of the sliding groove 34 and the shaft rod 33, the floating-stopping guide device 3 further includes a discharging and cleaning structure 35 communicated with the positioning grooves 31, the discharging and cleaning structure 35 is arranged at the outer side position of the positioning groove 31;
s5, hoisting the liquid tank 2 to enable the liquid tank 2 to gradually fall, stopping the liquid tank 2 to fall when the distance between the lower end face of the liquid tank 2 and the upper end face of the liquid tank saddle 1 is 200-300 mm, adjusting the levelness of the liquid tank 2, wherein the allowable tolerance between the radial center line of the liquid tank saddle 1 and the radial center line of the liquid tank 2 is +/-5-6 mm, after the liquid tank 2 meets the requirements of level and centering, the liquid tank 2 continuously falls to ensure that the liquid tank 2 is contacted with the plurality of rollers 32 on the floating stop guide device 3, the plurality of rollers 32 contract inwards under the action of the downward pressure of the liquid tank 2 until the liquid tank 2 is completely contacted with the liquid tank saddle 1, and at the moment, the outer end faces of the plurality of rollers 32 are in pressing contact with the liquid tank 2 under the action of the elastic force of the spring 36;
s6, the epoxy glue overflows from the inner wall of the liquid tank saddle 1 along the positioning groove 31 along with the gradual falling of the liquid tank 2, the discharging and cleaning structure 35 discharges and collects the epoxy glue in the positioning groove 31, a quality inspector checks whether the coating quality of the epoxy glue is filled in the gap between the liquid tank saddle 1 and the liquid tank 2, and if the gap is formed, the epoxy glue is timely and manually supplemented at the gap;
and S7, after the hoisting is finished, loosening the hoisting rope.
According to the invention, the anti-floating guide device 3 is arranged at the side end of the inner wall of the liquid tank saddle 1, when the liquid tank 2 is hoisted into the liquid tank saddle 1, the outer wall of the liquid tank 2 is in contact with the rollers 32 at the two sides, the rollers 32 are distributed and extended along the axial direction at the two sides of the liquid tank 2, and a good guiding balance effect is achieved on the falling of the liquid tank 2, as the rollers 32 are rotatably arranged on the shaft lever 33, the friction force between the rollers 32 and the liquid tank 2 is reduced, and meanwhile, the arrangement of the spring 36 has a certain buffering effect on the impact generated when the liquid tank 2 falls to the rollers 32, so that the abrasion between the surface of the liquid tank 2 and the liquid tank saddle 1 is avoided, and the structural strength and the surface quality of the chemical liquid tank are ensured; secondly, cancel in this application at the structural style of fluid reservoir 2 surface welding guide bar, adopt and set up the structural style who ends superficial guider 3 at 1 inner wall of fluid reservoir saddle, not only avoid the chemical liquid jar to damage fluid reservoir 2 structural strength itself because of the welding, fall in fluid reservoir 2 completely moreover to fluid reservoir saddle 1 in, gyro wheel 32 has certain clamp to the fluid reservoir 2 and ends superficial effect under spring 36's elastic force effect.
Further, the discharging and discharging cleaning structure 35 includes a plurality of storage chambers 351 disposed on the liquid tank saddle 1, the plurality of storage chambers 351 are sequentially and correspondingly disposed at the outer side positions of the positioning grooves 31, and the storage chambers 351 and the corresponding positioning grooves 31 are communicated through the first connecting pipes 352, the outer side of the liquid tank saddle 1 is provided with a glue storage box 353, the glue storage box 353 and the corresponding liquid storage chambers 351 are communicated through the second connecting pipes 354, the upper end of the liquid storage chamber 351 is provided with a discharging and discharging driving group 357, one end of the first connecting pipe 352 is connected with the lower side position of the positioning groove 31, the first connecting pipe 352 is inclined downwards from the positioning grooves 31 to the position of the storage chambers 351, the first connecting pipe 352 is provided with a first opening and closing valve 355, and the second connecting pipe 354 is provided with a second opening and closing valve 356.
Further, the discharging driving group 357 comprises a piston block 3571 arranged in the storage chamber 351 and a connecting rod 3573 fixedly arranged at the center of the upper end of the piston block 3571, and further comprises a driving motor 3574, a driving end of the driving motor 3574 is fixedly connected with a driving screw 3572, the lower end of the driving screw 3572 vertically penetrates through the connecting rod 3573 and is arranged in the connecting rod 3573, the driving screw 3572 and the connecting rod 3573 are coaxially arranged and are in threaded fit connection, and the driving motor 3574 rotates to drive the driving screw 3572 and the connecting rod 3573 to perform threaded transmission so as to drive the connecting rod 3573 and the piston block 3571 to move up and down.
Furthermore, the liquid tank saddle 1 is provided with a control unit electrically connected with a driving motor 3574, a first on-off valve 355 and a second on-off valve 356.
Further, when the liquid tank 2 is completely lifted into the liquid tank saddle 1, the redundant epoxy glue flows into the peripheral positioning groove 31, the control unit sends a closing signal instruction to the second opening and closing valve 356 and an opening signal instruction to the first opening and closing valve 355, meanwhile, the control unit sends a forward rotation signal instruction to the driving motor 3574, and the piston block 3571 moves upwards in the storage chamber 351, so that the epoxy glue in the positioning groove 31 flows into the storage chamber 351; the control unit sends a signal instruction of reverse rotation to the driving motor 3574, and simultaneously sends a signal instruction of closing to the first opening/closing valve 355 and a signal instruction of opening to the second opening/closing valve 356, at this time, the piston block 3571 moves downwards in the storage chamber 351, so that the epoxy glue in the storage chamber 351 is pressed to the glue storage box 353.
In this application, epoxy flows in the constant head tank 31 under the extrusion force of fluid reservoir 2, because the direction slope of constant head tank 31 towards fluid reservoir 2, consequently, epoxy can be along with in the first connecting pipe 352 of self action of gravity flow direction, through reciprocating and the first opening and closing valve 355 of piston block 3571, the opening and closing of second opening and closing valve 356, effectively realize epoxy by constant head tank 31 to storage chamber 351, finally flow in the storage box 353, effectively get rid of the epoxy that spills over, the surface of climbing at fluid reservoir saddle 1 need not operating personnel clears away, and the labor intensity is reduced.
Further, in step S3, when the ambient temperature is lower than 12 ℃, the mixed epoxy resin and curing agent are preheated to 20-30 ℃ by a heater.
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 to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A balanced hoisting process of a chemical tanker liquid tank is characterized by comprising the following specific steps:
s1, fixing the liquid tank saddle (1) at a preset installation position of a transport ship deck, removing rusty spots, oil stains and water stains on the surface of the liquid tank saddle (1) by using acetone, and polishing and removing oil gas with the thickness of more than 25 mu m;
s2, tying a stay cable steel wire rope on a lifting lug of the liquid tank (2), placing a gantry crane and a hoisting rope in place, and hoisting the liquid tank (2) to be right above a liquid tank saddle (1);
s3, blending and mixing the epoxy resin and the curing agent, stirring for 3-5 min by using a stirrer to form epoxy glue, and coating the epoxy glue on the inner surface of the liquid tank saddle (1);
s4, a positioning and floating-stopping guide device (3), wherein the floating-stopping guide device (3) comprises a plurality of positioning grooves (31) arranged on the inner wall of a liquid tank saddle (1), the positioning grooves (31) are distributed on two sides of the liquid tank saddle (1) and extend along the axial direction of a liquid tank (2), the positioning grooves (31) extend upwards in an inclined mode from the outer side to the inner side of the liquid tank saddle (1), rollers (32) which stretch inwards and outwards are arranged in the positioning grooves (31), a shaft rod (33) penetrates through the center of each roller (32), the rollers (32) are rotatably arranged on the shaft rod (33), the rollers (32) rotate towards the outer wall of the liquid tank (2), sliding grooves (34) which are embedded in the side ends of the shaft rod (33) and slide are arranged on the side walls of the positioning grooves (31), and the extending direction of the sliding grooves (34) is consistent with the extending direction of the positioning grooves (31), springs (36) are arranged between the upper end part and the lower end part of the sliding groove (34) and the shaft lever (33), the floating stopping guide device (3) further comprises a discharging and cleaning structure (35) communicated with the positioning groove (31), and the discharging and cleaning structure (35) is arranged at the outer side position of the positioning groove (31);
s5, hoisting the liquid tank (2) to enable the liquid tank (2) to gradually fall, stopping the liquid tank (2) to fall when the distance between the lower end face of the liquid tank (2) and the upper end face of the liquid tank saddle (1) is 200-300 mm, adjusting the levelness of the liquid tank (2), wherein the allowable tolerance between the radial center line of the liquid tank saddle (1) and the radial center line of the liquid tank (2) is +/-5-6 mm, after the liquid tank (2) meets the requirements of level and centering, the liquid tank (2) continuously falls to ensure that the liquid tank (2) is in contact with a plurality of rollers (32) on a floating stop guide device (3), and the rollers (32) contract inwards under the action of the downward pressure of the liquid tank (2) until the liquid tank (2) is completely in contact with the saddle (1), and at the moment, the outer end faces of the rollers (32) are in pressing contact with the liquid tank (2) under the action of the elastic force of a spring (36);
s6, the epoxy glue overflows from the inner wall of the liquid tank saddle (1) along the positioning groove (31) along with the gradual falling of the liquid tank (2), the epoxy glue in the positioning groove (31) is discharged and collected by the discharging and cleaning structure (35), a quality inspector checks whether the coating quality of the epoxy glue is full of the gap between the liquid tank saddle (1) and the liquid tank (2), and if the gap is full, the epoxy glue is manually supplemented in time at the gap;
and S7, after the hoisting is finished, loosening the hoisting rope.
2. The balanced hoisting process of the chemical tanker tank as recited in claim 1, wherein the discharging and cleaning structure (35) comprises a plurality of storage chambers (351) disposed on the tank saddle (1), the storage chambers (351) are sequentially disposed at positions corresponding to the outside of the positioning grooves (31), the storage chambers (351) are communicated with the corresponding positioning grooves (31) through first connecting pipes (352), the outside of the tank saddle (1) is provided with a glue storage box (353), the glue storage box (353) is communicated with the corresponding liquid storage chamber (351) through second connecting pipes (354), the upper end of the liquid storage chamber (351) is provided with a discharging and driving group (357), one end of the first connecting pipe (352) is connected with the lower side position of the positioning grooves (31), and the first connecting pipe (352) is inclined downwards from the positioning grooves (31) to the position of the storage chambers (351), the first connecting pipe (352) is provided with a first opening and closing valve (355), and the second connecting pipe (354) is provided with a second opening and closing valve (356).
3. The balanced hoisting process of the chemical ship liquid tank as claimed in claim 2, wherein the discharging driving group (357) comprises a piston block (3571) arranged in the storage chamber (351) and a connecting rod (3573) fixedly arranged at the center of the upper end of the piston block (3571), and further comprises a driving motor (3574), the driving end of the driving motor (3574) is fixedly connected with a driving screw (3572), the lower end of the driving screw (3572) vertically penetrates through the connecting rod (3573) and is arranged in the connecting rod (3573), the driving screw (3572) and the connecting rod (3573) are coaxially arranged and are in threaded fit connection, and the driving motor (3574) rotates to drive the driving screw (3572) and the connecting rod (3573) to perform threaded transmission so as to drive the connecting rod (3573) and the piston block (3571) to move up and down.
4. The balanced hoisting process of the chemical tanker tank according to claim 3, characterized in that the tank saddle (1) is provided with a control unit electrically connected with a driving motor (3574), a first on-off valve (355) and a second on-off valve (356).
5. The balanced hoisting process of the chemical ship tank as claimed in claim 4, wherein when the tank (2) is hoisted into the tank saddle (1), the excess epoxy glue flows into the peripheral positioning groove (31), the control unit sends a closing signal instruction to the second open-close valve (356), sends an opening signal instruction to the first open-close valve (355), and simultaneously sends a forward rotation signal instruction to the driving motor (3574), and the piston block (3571) moves upwards in the storage chamber (351), so that the epoxy glue in the positioning groove (31) flows into the storage chamber (351); the control unit sends a signal instruction of reverse rotation to the driving motor (3574), simultaneously the control unit sends a signal instruction of closing to the first opening and closing valve (355), sends a signal instruction of opening to the second opening and closing valve (356), and at the moment, the piston block (3571) moves downwards in the storage chamber (351), so that epoxy glue in the storage chamber (351) is pressed to the glue storage box (353).
6. The balanced hoisting process of the chemical tanker tank according to claim 5, wherein in step S3, when the ambient temperature is lower than 12 ℃, the mixed epoxy resin and curing agent are preheated to 20-30 ℃ by a heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210377681.8A CN114954833A (en) | 2022-04-12 | 2022-04-12 | Balance hoisting process for liquid tank of chemical ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210377681.8A CN114954833A (en) | 2022-04-12 | 2022-04-12 | Balance hoisting process for liquid tank of chemical ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114954833A true CN114954833A (en) | 2022-08-30 |
Family
ID=82977819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210377681.8A Withdrawn CN114954833A (en) | 2022-04-12 | 2022-04-12 | Balance hoisting process for liquid tank of chemical ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114954833A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115959260A (en) * | 2022-12-15 | 2023-04-14 | 招商局金陵鼎衡船舶(扬州)有限公司 | Full-pressure type LPG transport ship cargo tank integrity hoisting construction process |
-
2022
- 2022-04-12 CN CN202210377681.8A patent/CN114954833A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115959260A (en) * | 2022-12-15 | 2023-04-14 | 招商局金陵鼎衡船舶(扬州)有限公司 | Full-pressure type LPG transport ship cargo tank integrity hoisting construction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114954833A (en) | Balance hoisting process for liquid tank of chemical ship | |
| CN203131213U (en) | Special submarine pipeline plugging device for ROV | |
| CN112071480A (en) | Corrosion-resistant resistance to compression type high strength deep sea cable | |
| CN201634315U (en) | Vertical grinding lifting tool for stern shaft | |
| CN111413267B (en) | Corrosion fatigue test method for mooring chain in ocean engineering | |
| JP2013086796A (en) | Device for maneuvering watercraft, and method for manufacturing the same | |
| KR101071339B1 (en) | A water pipe line carrier devices for using of barge and set up of pipe line system | |
| CN111413266A (en) | Corrosion fatigue test device for mooring chain in ocean engineering | |
| CN110789688A (en) | Floating dock for maintaining movable ship plate and method for maintaining ship bottom plate | |
| CN201504334U (en) | Oil pump hydraulic type electrode lifting device for yellow phosphorus smelting furnace | |
| CN102679055A (en) | Tensile flexible pipe | |
| CN201406012Y (en) | Double tube concentric rotating joint type marine loading arm hose crane | |
| CN210793576U (en) | Floating dock for maintaining movable ship board | |
| CN112571243A (en) | Quick rust cleaning maintenance device in steel pipe surface for building | |
| CN210127418U (en) | Supporting structure for repairing bridge pier of cross-river bridge | |
| CN103241683A (en) | Rail type pipe lifting device of lower pipes of balancing weight production line of marine pipeline | |
| CN107364542A (en) | A kind of adjustable fairlead with horizontal roller of ship assembling | |
| CN102139256B (en) | Trace liquid coating device | |
| CN116044881B (en) | Anticorrosive wind-powered electricity generation crab-bolt and production assembly quality thereof | |
| CN114319440B (en) | Floating installation operation method for inland river immersed tube | |
| CN220266715U (en) | Shaft made of resin concrete | |
| CN112762271A (en) | Method for reinforcing and repairing in-service water-permeable metal pipeline by using carbon fiber composite material | |
| CN111236359A (en) | Seawater lifting device | |
| CN215622600U (en) | A topside overhauls device under surface of water for boats and ships | |
| CN217708885U (en) | Quick connecting head assembly for crane pipe of tank car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220830 |
|
| WW01 | Invention patent application withdrawn after publication |