Supporting structural member for liquid cargo pump of chemical tanker

Abstract

The invention relates to the technical field of supporting structural parts, and discloses a chemical tanker liquid cargo pump supporting structural part which comprises a cross rod, a hanging rod, a flange seat and a pump pipe, positioning sleeves are installed on the upper circumference of the inner diameter of the flange seat at equal intervals, and wedge-shaped blocks are movably installed at the bottom ends of the positioning sleeves; by rotating a worm, the worm drives a worm gear ring outside a rotating ring, a synchronous gear ring outside the rotating ring drives a plurality of groups of synchronous gears, so that a second bevel gear synchronously rotating with the synchronous gears synchronously drives a plurality of groups of corresponding first bevel gears, and a plurality of groups of screws on the inner diameter of a flange seat synchronously rotate; therefore, the positioning sleeve drives the wedge block below the positioning sleeve to abut against the outside of the pump pipe in the flange seat, the rubber sleeve on the outer side of the wedge block can elastically connect the inner wall of the flange seat and the pump pipe, and when the pump pipe expands with heat and contracts with cold through liquid, the flange seat and the pump pipe can still be firmly connected.

Description

Technical Field

[0001] The present invention relates to the technical field of supporting structural parts, in particular to a supporting structural part for a liquid cargo pump of a chemical tanker. Background Art

[0002] Different from asphalt tankers, chemical tankers have a total of 12 cargo pumps, 2 SLOP pumps, 2 ballast pumps and 1 residual liquid pump. As the cargo pump can be up to 17.91m long, according to the manufacturer's requirements, the above pumps need to be equipped with several intermediate supports and fixed on the corrugated bulkhead or transverse bulkhead. According to the equipment manufacturer's recommendation, one end of the intermediate support is connected to the flange on the pump shaft of the cargo pump, and the other end is fixed on the transverse bulkhead. The transverse bulkhead end needs to be welded with a fixed bracket or eye plate.

[0003] However, when the above-mentioned chemical tanker liquid cargo pump is installed at a designated position through a flange, after the liquid cargo pump pipe is connected to the flange, when the pump pipe is connected to the flange for use, a gap will be generated at the connection due to the environment or internal liquid characteristics, resulting in a high damage rate between the pump pipe and the flange after the pump pipe is rigidly connected. Summary of the invention

[0004] The object of the present invention is to provide a liquid cargo pump supporting structure for a chemical tanker, wherein the liquid cargo pump supporting structure can adjust the tightness of the connection between a pump pipe and a flange, thereby improving the stability of the connection between the pump pipe and the flange.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a chemical tanker liquid cargo pump supporting structure, comprising a cross bar, a hanging rod, a flange seat, and a pump pipe, wherein positioning sleeves are installed at equal intervals on the circumference of the inner diameter of the flange seat, a wedge block is movably installed on the bottom end of the positioning sleeve, a guide block is integrally formed at the bottom end of the positioning sleeve, a screw is installed on the top of the positioning sleeve through a thread, mounting blocks are fixedly installed at equal intervals on the circumferential surface of the flange seat, a first bevel gear is fixedly connected to the top of the screw, a support is fixedly installed at equal intervals on the top circumference of the flange seat, a second bevel gear is rotatably installed on one side of the support through a rotating shaft, a synchronous gear is fixedly provided on the end of the rotating shaft on one side of the second bevel gear, a rotating ring is rotatably installed on the back side of the flange seat, a synchronous gear ring and a worm wheel ring are fixedly provided on the outer circumference of the rotating ring, and a worm is installed at the bottom of the outer circumference of the flange seat.

[0006] Preferably, suspension rods are symmetrically arranged on both sides of the flange seat.

[0007] Preferably, a fixing bolt is fixedly installed at the connection between the hanger rod and the cross bar, and a reinforcement block is integrally formed at the connection between the hanger rod and the flange seat.

[0008] Preferably, a guide groove is provided at the top of the positioning sleeve, and the cross-section of the end of the guide groove and the guide block are both T-shaped structures.

[0009] Preferably, the guide block is slidably engaged in the inner wall of the guide groove.

[0010] Preferably, slots are formed on the outer circumferential surface of the flange seat at equal intervals, and the positioning sleeves slide in the inner walls of the slots.

[0011] Preferably, an annular groove is provided on the inner diameter of the flange seat, and the wedge block slides in the inner wall of the annular groove.

[0012] Preferably, the mounting blocks correspond to the slots one by one, and the outer edge of the first bevel gear is meshed with the corresponding outer edge of the second bevel gear.

[0013] Preferably, the top end of the screw rod is rotatably mounted on the top of the corresponding mounting block, and the outer edges of multiple groups of synchronous gears are respectively meshed with the outer edges of the synchronous gear ring.

[0014] Preferably, a fixing seat is fixedly installed on the back side of the flange seat, the worm is rotatably installed in the inner wall of the fixing seat, and the outer edge of the worm is meshed with the outer edge of the worm wheel ring.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention rotates the worm so that the worm drives the worm wheel ring outside the rotating ring, so that the synchronous gear ring outside the rotating ring drives multiple sets of synchronous gears, so that the second bevel gears that rotate synchronously with the synchronous gears synchronously drive multiple sets of corresponding first bevel gears, so that multiple sets of screws on the inner diameter of the flange seat rotate synchronously, so that the positioning sleeve drives the wedge block below to press against the outside of the pump pipe in the flange seat, and the rubber sleeve outside the wedge block can play an elastic connection role between the inner wall of the flange seat and the pump pipe, so that when the liquid in the pump pipe expands and contracts due to heat and cold, the connection between the flange seat and the pump pipe can still be ensured to be tight; The present invention enables the wedge block at the bottom end of the positioning sleeve to slide in the annular groove, and enables the guide block at the bottom of the positioning sleeve to slide on the guide groove. The wedge block can slide along the annular groove to fine-tune the position. In this way, after the connection between the pump pipe and the flange seat is deformed, the connection between the pump pipe and the flange seat can still be tightened by sliding adjustment of the wedge block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] FIG1 is a schematic diagram of a three-dimensional structure of the present invention; FIG2 is a schematic diagram of the back structure of the present invention; FIG3 is a schematic diagram of the side structure of the present invention; FIG4 is a schematic diagram of the structure of the rotating ring in the present invention; FIG5 is a schematic diagram of a partial enlarged structure of point A in FIG2; FIG. 6 is a schematic diagram of a partially enlarged structure of point B in FIG. 3 .

[0017] In the figure: 1, cross bar; 2, suspension rod; 3, flange seat; 4, pump pipe; 5, positioning sleeve; 6, mounting block; 7, support; 8, rotating ring; 9, fixed seat; 21, fixing bolt; 22, reinforcement block; 41, slot; 42, annular groove; 61, first bevel gear; 71, second bevel gear; 72, synchronous gear; 51, wedge block; 511, guide groove; 512, guide block; 52, screw; 81, synchronous gear ring; 82, worm wheel ring; 91, worm. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Example: This embodiment introduces a chemical tanker liquid cargo pump support structure, as shown in Figures 1 to 6, a chemical tanker liquid cargo pump support structure, including a cross bar 1, a suspension rod 2, a flange seat 3, and a pump pipe 4. The inner diameter of the flange seat 3 is evenly spaced on the circumference, and a positioning sleeve 5 is movably installed with a wedge block 51 at the bottom end of the positioning sleeve 5. A guide block 512 is integrally formed at the bottom end of the positioning sleeve 5, and a screw 52 is installed on the top of the positioning sleeve 5 through a thread; Mounting blocks 6 are fixedly installed at equal intervals on the circumference of the flange seat 3, a first bevel gear 61 is fixedly connected to the top of the screw 52, ​​a support 7 is fixedly installed at equal intervals on the top circumference of the flange seat 3, a second bevel gear 71 is rotatably installed on one side of the support 7 through a rotating shaft, a synchronous gear 72 is fixedly sleeved on the end of the rotating shaft on one side of the second bevel gear 71, a rotating ring 8 is rotatably installed on the back of the flange seat 3, a synchronous gear ring 81 and a worm wheel ring 82 are fixedly sleeved on the outer circumference of the rotating ring 8, and a worm 91 is installed on the bottom of the outer circumference of the flange seat 3; The cross bar 1 is used to hoist the flange seat 3 through the suspension rods 2 on both sides. One end of the suspension rod 2 is fixedly connected to the cross bar 1 through a fixing bolt 21, and a reinforcement block 22 is formed integrally between the other end of the suspension rod 2 and both sides of the flange seat 3 by welding, so that the flange seat 3 and the two groups of suspension rods 2 can be disassembled from the cross bar 1, and the pump pipe 4 is movable through the flange seat 3, so that the liquid cargo pump pipe 4 of the chemical tanker can be hoisted on the hull through multiple groups of horizontally equally spaced cross bars 1; By rotating the worm 91, the worm 91 drives the worm wheel ring 82 outside the rotating ring 8, so that the synchronous gear ring 81 outside the rotating ring 8 drives multiple sets of synchronous gears 72, so that the second bevel gear 71 that rotates synchronously with the synchronous gear 72 synchronously drives multiple sets of corresponding first bevel gears 61, so that multiple sets of screws 52 on the inner diameter of the flange seat 3 rotate synchronously, so that the positioning sleeve 5 drives the wedge block 51 below to press against the outside of the pump pipe 4 in the flange seat 3, and the rubber sleeve outside the wedge block 51 can play an elastic connection role between the inner wall of the flange seat 3 and the pump pipe 4, so that when the pump pipe 4 expands and contracts due to heat and cold through the liquid in the pump pipe 4, the connection between the flange seat 3 and the pump pipe 4 can still be ensured to be tight; The wedge block 51 at the bottom end of the positioning sleeve 5 can slide in the annular groove 42, and can make the guide block 512 at the bottom of the positioning sleeve 5 slide on the guide groove 511. The wedge block 51 can slide along the annular groove 42 to fine-tune the position. In this way, after the connection between the pump pipe 4 and the flange seat 3 is deformed, the connection between the pump pipe 4 and the flange seat 3 can still be tightened by sliding adjustment of the wedge block 51.

[0020] Among them, the flange seat 3 is symmetrically provided with hangers 2 on both sides, and the connection between the hangers 2 and the cross bar 1 is fixedly installed with fixing bolts 21, and the connection between the hangers 2 and the flange seat 3 is integrally formed with a reinforcement block 22. The cross bar 1 hangs the flange seat 3 through the hangers 2 on both sides. One end of the hanger 2 is fixedly connected to the cross bar 1 by the fixing bolts 21, and the other end of the hanger 2 is integrally formed with the two sides of the flange seat 3 by welding. Reinforcement blocks 22 are formed, so that the flange seat 3 and the two groups of hangers 2 can be disassembled from between the cross bars 1.

[0021] Among them, a guide groove 511 is provided on the top of the positioning sleeve 5, and the end section of the guide groove 511 and the guide block 512 are both T-shaped structures. The guide block 512 is slidably engaged in the inner wall of the guide groove 511, and slots 41 are respectively and evenly spaced through the outer circumferential surface of the flange seat 3. The positioning sleeve 5 slides in the inner wall of the slot 41, and an annular groove 42 is provided on the inner diameter of the flange seat 3. The wedge block 51 slides in the inner wall of the annular groove 42. The wedge block 51 at the bottom end of the positioning sleeve 5 can slide in the annular groove 42, and can make the guide block 512 at the bottom of the positioning sleeve 5 slide on the guide groove 511, and the wedge block 51 can slide along the annular groove 42 to fine-tune the position. In this way, after the connection between the pump pipe 4 and the flange seat 3 is deformed, the connection between the pump pipe 4 and the flange seat 3 can still be tightened by sliding adjustment of the wedge block 51.

[0022] Among them, the mounting block 6 corresponds to the slot 41 one by one, the outer edge of the first bevel gear 61 is meshed with the outer edge of the corresponding second bevel gear 71, the top end of the screw 52 is rotatably mounted on the top of the corresponding mounting block 6, and the outer edges of multiple sets of synchronous gears 72 are respectively meshed with the outer edges of the synchronous gear ring 81. By rotating the worm 91, the worm 91 drives the worm wheel ring 82 outside the rotating ring 8, and the synchronous gear ring 81 outside the rotating ring 8 drives multiple sets of synchronous gears 72, so that the second bevel gear 71 that rotates synchronously with the synchronous gear 72 synchronously drives multiple sets of corresponding first bevel gears 61, so that the multiple sets of screws 52 on the inner diameter of the flange seat 3 rotate synchronously.

[0023] Among them, a fixing seat 9 is fixedly installed on the back of the flange seat 3, and a worm 91 is rotatably installed in the inner wall of the fixing seat 9, and the outer edge of the worm 91 is meshed with the outer edge of the worm wheel ring 82. The positioning sleeve 5 drives the wedge block 51 below to press against the outside of the pump pipe 4 in the flange seat 3, and the rubber sleeve on the outside of the wedge block 51 can play an elastic connection role between the inner wall of the flange seat 3 and the pump pipe 4. In this way, when the pump pipe 4 expands and contracts due to the liquid in the pump pipe 4, the connection between the flange seat 3 and the pump pipe 4 can still be ensured to be tight.

[0024] Working principle: When in use, firstly, the cross bar 1 is hoisted to the flange seat 3 through the suspension rods 2 on both sides, one end of the suspension rod 2 is fixedly connected to the cross bar 1 through the fixing bolts 21, and the other end of the suspension rod 2 is welded with the two sides of the flange seat 3 to form a reinforcing block 22, and the pump pipe 4 is movable through the flange seat 3, so that the liquid cargo pump pipe 4 of the chemical tanker can be hoisted on the hull through multiple groups of horizontally equally spaced cross bars 1; Then, by rotating the worm 91, the worm 91 drives the worm wheel ring 82 outside the rotating ring 8, so that the synchronous gear ring 81 outside the rotating ring 8 drives multiple sets of synchronous gears 72, so that the second bevel gear 71 that rotates synchronously with the synchronous gear 72 synchronously drives multiple sets of corresponding first bevel gears 61, so that the multiple sets of screws 52 on the inner diameter of the flange seat 3 rotate synchronously, so that the positioning sleeve 5 drives the wedge block 51 below to press against the outside of the pump pipe 4 in the flange seat 3, and the rubber sleeve outside the wedge block 51 can play an elastic connection role between the inner wall of the flange seat 3 and the pump pipe 4, so that when the pump pipe 4 expands and contracts due to the liquid in the pump pipe 4, the connection between the flange seat 3 and the pump pipe 4 can still be ensured to be tight; Finally, when inspecting and adjusting the pump pipe 4 and the flange seat 3, the wedge block 51 at the bottom end of the positioning sleeve 5 can slide in the annular groove 42, and the guide block 512 at the bottom of the positioning sleeve 5 can slide on the guide groove 511, and the wedge block 51 can slide along the annular groove 42 to fine-tune the position. In this way, after the connection between the pump pipe 4 and the flange seat 3 is deformed, the connection between the pump pipe 4 and the flange seat 3 can still be tightened by sliding adjustment of the wedge block 51.

[0025] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A supporting structure for a liquid cargo pump of a chemical tanker, comprising a cross bar (1), a suspension rod (2), a flange seat (3), and a pump pipe (4), characterized in that: Positioning sleeves (5) are installed at equal intervals on the circumference of the inner diameter of the flange seat (3); a wedge block (51) is movably installed at the bottom end of the positioning sleeve (5); a guide block (512) is integrally formed at the bottom end of the positioning sleeve (5); a screw rod (52) is installed at the top of the positioning sleeve (5) through a thread; mounting blocks (6) are fixedly installed at equal intervals on the circumference of the flange seat (3); a first bevel gear (61) is fixedly connected to the top end of the screw rod (52); a support (7) is fixedly installed at equal intervals on the circumference of the top of the flange seat (3); a second bevel gear (71) is rotatably installed on one side of the support (7) through a rotating shaft; a synchronous gear (72) is fixedly sleeved at the end of the rotating shaft on one side of the second bevel gear (71); a rotating ring (8) is rotatably installed on the back side of the flange seat (3); a synchronous gear ring (81) and a worm wheel ring (82) are fixedly sleeved on the outer circumference of the rotating ring (8); and a worm (91) is installed at the bottom of the outer circumference of the flange seat (3).

2. A chemical tanker liquid cargo pump supporting structure according to claim 1, characterized in that: Suspension rods (2) are symmetrically arranged on both sides of the flange seat (3).

3. A chemical tanker liquid cargo pump supporting structure according to claim 2, characterized in that: A fixing bolt (21) is fixedly installed at the connection between the suspension rod (2) and the cross bar (1), and a reinforcement block (22) is integrally formed at the connection between the suspension rod (2) and the flange seat (3).

4. A chemical tanker liquid cargo pump supporting structure according to claim 3, characterized in that: A guide groove (511) is provided on the top of the positioning sleeve (5), and the end section of the guide groove (511) and the guide block (512) are both T-shaped structures.

5. A chemical tanker liquid cargo pump supporting structure according to claim 4, characterized in that: The guide block (512) is slidably engaged in the inner wall of the guide groove (511).

6. A chemical tanker liquid cargo pump supporting structure according to claim 5, characterized in that: Slots (41) are formed at equal intervals through the outer circumferential surface of the flange seat (3), and the positioning sleeve (5) slides in the inner wall of the slot (41).

7. A chemical tanker liquid cargo pump supporting structure according to claim 6, characterized in that: An annular groove (42) is provided on the inner diameter of the flange seat (3), and the wedge block (51) slides in the inner wall of the annular groove (42).

8. A chemical tanker liquid cargo pump supporting structure according to claim 7, characterized in that: The mounting blocks (6) correspond to the slots (41) one by one, and the outer edge of the first bevel gear (61) meshes with the outer edge of the corresponding second bevel gear (71).

9. A chemical tanker liquid cargo pump supporting structure according to claim 8, characterized in that: The top end of the screw rod (52) is rotatably mounted on the top of the corresponding mounting block (6), and the outer edges of the plurality of sets of synchronous gears (72) are respectively meshed with the outer edges of the synchronous gear ring (81).

10. A chemical tanker liquid cargo pump supporting structure according to claim 9, characterized in that: A fixing seat (9) is fixedly mounted on the back of the flange seat (3); the worm (91) is rotatably mounted in the inner wall of the fixing seat (9), and the outer edge of the worm (91) is meshed with the outer edge of the worm wheel ring (82).

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