阅读说明：本技术 一种便于拆装的鹤管管道连接结构 (Oil filling riser pipeline connection structure convenient to dismouting ) 是由 朱光甫 顾介飞 于 2021-06-08 设计创作，主要内容包括：本发明公开了一种便于拆装的鹤管管道连接结构,包括弯管,弯管的一端焊接有第一连接法兰,弯管的下端连接有垂管,垂管相对弯管的一端焊接有第二连接法兰,第一连接法兰的两侧固定连接有第一侧块,第二连接法兰的两侧固定连接有第二侧块,两两相对的第一侧块与第二侧块之间均连接有限位机构,限位机构包括螺栓,本发明所达到的有益效果是：本发明设置有限位机构,将限位机构的螺栓扭转进第一侧块和第二侧块之间,通过握住调节螺母的限位环,由于限位环中部为中空结构,便于手指伸入握住限位环,扭转调节螺母将调节螺母螺纹连接于螺栓上,使得第一连接法兰和第二连接法兰固定即可完成安装,无需使用特殊工具,非常方便。(The invention discloses a crane pipe connecting structure convenient to disassemble and assemble, which comprises a bent pipe, wherein one end of the bent pipe is welded with a first connecting flange, the lower end of the bent pipe is connected with a vertical pipe, one end of the vertical pipe, opposite to the bent pipe, is welded with a second connecting flange, two sides of the first connecting flange are fixedly connected with first side blocks, two sides of the second connecting flange are fixedly connected with second side blocks, a limiting mechanism is connected between every two opposite first side blocks and second side blocks, and the limiting mechanism comprises bolts, and the crane pipe connecting structure has the beneficial effects that: the invention is provided with the limiting mechanism, the bolt of the limiting mechanism is twisted between the first side block and the second side block, the limiting ring of the adjusting nut is held, the middle part of the limiting ring is of a hollow structure, so that fingers can conveniently extend into the holding of the limiting ring, the adjusting nut is twisted to connect the adjusting nut on the bolt in a threaded manner, and the first connecting flange and the second connecting flange can be fixed to finish installation without using special tools, so that the invention is very convenient.)

1. The crane pipe connecting structure convenient to disassemble and assemble is characterized by comprising an elbow (1), wherein one end of the elbow (1) is welded with a first connecting flange (2), the lower end of the elbow (1) is connected with a vertical pipe (3), one end of the vertical pipe (3) opposite to the elbow (1) is welded with a second connecting flange (4), two sides of the first connecting flange (2) are fixedly connected with a first side block (5), two sides of the second connecting flange (4) are fixedly connected with a second side block (6), two opposite sides of the first side block (5) and the second side block (6) are respectively connected with a limiting mechanism (7), each limiting mechanism (7) comprises a bolt (71), two ends of each bolt (71) are respectively provided with a water stop sheet (8), one end of each bolt (71) is in threaded connection with an adjusting nut (72), two ends of each adjusting nut (72) are respectively connected with a limiting ring (73), the utility model discloses a rubber ring, including first flange (2), the both ends middle part of first flange (2) all is connected with fixed establishment (9), fixed establishment (9) include screw rod (92), the equal fixedly connected with inserted block (93) of the inboard one end of first flange (2) relatively of screw rod (92), first annular (12) have been seted up to one side of first flange (2) second flange (4) relatively, gomphosis has one side of rubber circle (13) in first annular (12).

2. The loading arm pipe connection structure convenient to disassemble and assemble according to claim 1, characterized in that: bolt (71) all with first side piece (5) threaded connection, bolt (71) one end all runs through first side piece (5) and threaded connection in second side piece (6), bolt (71) all extend to second side piece (6) and keep away from first side piece (5) one side.

3. The loading arm pipe connection structure convenient to disassemble and assemble according to claim 1, characterized in that: spacing ring (73) middle part is hollow structure, stagnant water piece (8) all cup joint on bolt (71), are close to stagnant water piece (8) of first side piece (5) all clamp fit between nut one end and first side piece (5) of bolt (71), are close to stagnant water piece (8) of second side piece (6) all clamp fit between spacing ring (73) and second side piece (6), stagnant water piece (8) are the inflation rubber material that absorbs water.

4. The loading arm pipe connection structure convenient to disassemble and assemble according to claim 1, characterized in that: the rubber ring is characterized in that second connecting holes (11) are formed in two sides of the rubber ring (13) and opposite to the inserting blocks (93), the inserting blocks (93) are all inserted into the second connecting holes (11), first connecting holes (10) are formed in two sides of the first connecting flange (2) and opposite to the screws (92), the first connecting holes (10) are communicated with the second connecting holes (11), the screws (92) are all inserted into the first connecting holes (10), one ends, far away from the second connecting holes (11), of the screws (92) are connected to one side of the first connecting flange (2) in a threaded mode, one ends, far away from each other, of the screws (92) are fixedly connected with twisting handles (91), and the twisting handles (91) are all arranged on the outer sides of the first connecting holes (10).

5. The loading arm pipe connection structure convenient to disassemble and assemble according to claim 1, characterized in that: a second annular groove (14) is formed in one side, opposite to the rubber ring (13), of the second connecting flange (4), and one side, far away from the first connecting flange (2), of the rubber ring (13) is embedded in the second annular groove (14).

6. The loading arm pipe connection structure convenient to disassemble and assemble according to claim 1, characterized in that: the limiting ring (73) is fixedly connected with the adjusting nut (72), the limiting ring (73) is of a hollow structure, the adjusting nut (72) is arranged on one side, far away from the first side block (5), of the second side block (6), the first through hole (17) is formed in the first side block (5), the second through hole (18) is formed in the second side block (6), and the bolts (71) are connected in a threaded mode between the first through hole (17) and the second through hole (18) in a pairwise opposite mode.

7. The loading arm pipe connection structure convenient to disassemble and assemble according to claim 1, characterized in that: the outer walls of the two sides of the first connecting flange (2) are oppositely twisted to the handle (91) and are connected with the inserting mechanism (15), the inserting mechanism (15) comprises T-shaped blocks (151), and the four T-shaped blocks (151) are respectively inserted into two ends of the twisted handle (91).

8. The easy-to-dismount/mount crane pipe connection structure according to claim 7, wherein: two liang of relative the equal fixedly connected with telescopic column (153) of one end that T type piece (151) kept away from relatively, spring (152) have all been cup jointed on telescopic column (153), the equal fixedly connected with connecting block (16) of the relative grafting mechanism (15) in both sides of first flange (2), telescopic column (153) keep away from the equal fixed connection of one end of T type piece (151) on connecting block (16).

The technical field is as follows:

the invention belongs to the technical field of crane pipe pipeline connecting fittings, and particularly relates to a crane pipe pipeline connecting structure convenient to disassemble and assemble.

Background art:

the crane pipe is a mechanical device for loading and unloading liquid in petroleum and chemical wharfs, can be used for conveying media in the pipe, such as oil, water and the like, is also called a fluid loading and unloading arm, is generally connected by adopting a vertical pipe, a bent pipe and a rotary joint, greatly improves the efficiency of liquid transmission, and also has high safety.

In the prior art, when the crane pipe is connected, the pipeline welded by the connecting flange is inconvenient to disassemble and clean, and the crane pipe is inconvenient to maintain when damaged; when the connection is carried out through the bolts, moisture can easily enter the connection part of the bolts and the flange to rust, and the connection part is easy to damage and unstable; the sealing ring at the flange joint is easy to shift and inconvenient to replace, and the sealing effect cannot be guaranteed.

The invention content is as follows:

the invention aims to provide a crane pipe connecting structure convenient to disassemble and assemble.

In order to solve the above problems, the present invention provides a technical solution:

a crane pipe pipeline connecting structure convenient to disassemble and assemble comprises a bent pipe, wherein one end of the bent pipe is welded with a first connecting flange, the lower end of the bent pipe is connected with a vertical pipe, the vertical pipe is welded with a second connecting flange opposite to one end of the bent pipe, two sides of the first connecting flange are fixedly connected with first side blocks, two sides of the second connecting flange are fixedly connected with second side blocks, two opposite sides of the first side block and the second side block are connected with a limiting mechanism respectively, the limiting mechanism comprises a bolt, two ends of the bolt are provided with water stop sheets, one end of the bolt is in threaded connection with an adjusting nut, two ends of the adjusting nut are connected with limiting rings respectively, the middle parts of two ends of the first connecting flange are connected with fixing mechanisms respectively, each fixing mechanism comprises a screw rod, and one end of the screw rod opposite to the inner side of the first connecting flange is in fixed connection with an inserting block, a first annular groove is formed in one side, opposite to the second connecting flange, of the first connecting flange, and one side of the rubber ring is embedded in the first annular groove.

Preferably, the bolts are in threaded connection with the first side block, one end of each bolt penetrates through the first side block and is in threaded connection with the second side block, and the bolts extend to the second side block and are far away from one side of the first side block.

Preferably, the middle part of the limiting ring is of a hollow structure, the water stop sheets are all sleeved on the bolt, the water stop sheets close to the first side block are all clamped between one end of the nut of the bolt and the first side block, the water stop sheets close to the second side block are all clamped between the limiting ring and the second side block, and the water stop sheets are made of water-absorbing expansion rubber materials.

Preferably, the opposite insertion blocks on two sides of the rubber ring are provided with second connecting holes, the insertion blocks are inserted into the second connecting holes, the opposite screw rods on two sides of the first connecting flange are provided with first connecting holes, the first connecting holes are communicated with the second connecting holes, the two screw rods are inserted into the first connecting holes, one ends, far away from the second connecting holes, of the two screw rods are connected to one side of the first connecting flange in a threaded mode, one ends, far away from each other, of the two screw rods are fixedly connected with twisting handles, and the twisting handles are arranged on the outer sides of the first connecting holes.

Preferably, a second annular groove is formed in one side, opposite to the rubber ring, of the second connecting flange, and one side, far away from the first connecting flange, of the rubber ring is embedded in the second annular groove.

Preferably, the limiting rings are all fixedly connected with adjusting nuts, the limiting rings are of hollow structures, the adjusting nuts are all arranged on one sides, away from the first side blocks, of the second side blocks, first through holes are formed in the first side blocks, second through holes are formed in the second side blocks, and the bolts are all in threaded connection between the first through holes and the second through holes which are opposite to each other.

Preferably, the two outer walls of the first connecting flange are oppositely twisted and are connected with inserting mechanisms, each inserting mechanism comprises T-shaped blocks, and the four T-shaped blocks are respectively inserted into two ends of each twisted handle.

Preferably, every two opposite ends of the T-shaped blocks, which are away from each other, are fixedly connected with telescopic columns, springs are sleeved on the telescopic columns, connecting blocks are fixedly connected with opposite insertion mechanisms on two sides of the first connecting flange, and one ends of the telescopic columns, which are away from the T-shaped blocks, are fixedly connected to the connecting blocks.

The beneficial effects of the invention include:

1. the invention is provided with the limiting mechanism, the bolt of the limiting mechanism is twisted between the first side block and the second side block, the limiting ring of the adjusting nut is held, the middle part of the limiting ring is of a hollow structure, so that fingers can conveniently extend into the holding of the limiting ring, the adjusting nut is twisted to connect the adjusting nut on the bolt in a threaded manner, and the first connecting flange and the second connecting flange can be fixed to finish installation without using special tools, so that the invention is very convenient.

2. The rubber ring connecting device is provided with the fixing mechanism, when the rubber ring needs to be replaced, the twisting handles of the fixing mechanisms on the two sides of the first connecting flange are twisted to drive the screw rods to rotate, so that the two screw rods are mutually far away, the two inserting blocks are separated from the second connecting hole of the rubber ring, the rubber ring can be detached to be replaced, the rubber ring connecting device is very convenient, and the sealing effect is ensured.

3. The water stop sheet is made of expanded rubber, and when water exists at the joint of the bolt and the first side block and the second side block, the water stop sheet expands when encountering water to block a gap at the joint of the bolt and the first side block and the second side block, so that moisture is prevented from entering the joint of the bolt and the first side block and the second side block to cause rusting.

4. The rubber ring is provided with the inserting mechanism, when the T-shaped blocks of the inserting mechanism are loosened, the springs rebound to enable every two opposite telescopic columns to be close to each other, the T-shaped blocks on the two sides of the twisting handle to be close to each other, the twisting handle is limited by the T-shaped blocks, the twisting handle is prevented from being subjected to vibration and rotation deviation, the twisting handle is prevented from driving the screw rod and the inserting block to deviate, and the rubber ring is enabled to be more stable.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the joint of the limiting mechanism of the present invention;

FIG. 3 is a schematic structural view of the joint between the rubber ring and the first connecting flange according to the present invention;

FIG. 4 is a schematic view of the fastening mechanism connection of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of the present invention;

fig. 6 is a schematic structural diagram of a joint of the rubber ring and the second connecting flange.

In the figure: 1. bending the pipe; 2. a first connecting flange; 3. a vertical pipe; 4. a second connecting flange; 5. a first side block; 6. a second side block; 7. a limiting mechanism; 71. a bolt; 72. adjusting the nut; 73. a limiting ring; 8. a water stop sheet; 9. a fixing mechanism; 91. twisting a handle; 92. a screw; 93. inserting a block; 10. a first connection hole; 11. a second connection hole; 12. a first ring groove; 13. a rubber ring; 14. a second ring groove; 15. a plug-in mechanism; 151. a T-shaped block; 152. a spring; 153. a telescopic column; 16. a side block; 17. a first through hole; 18. a second via.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment: a loading arm pipeline connecting structure convenient to disassemble and assemble is characterized by comprising a bent pipe 1, a first connecting flange 2 is welded at one end of the bent pipe 1, a vertical pipe 3 is connected at the lower end of the bent pipe 1, a second connecting flange 4 is welded at one end of the vertical pipe 3 opposite to the bent pipe 1, first side blocks 5 are fixedly connected at two sides of the first connecting flange 2, second side blocks 6 are fixedly connected at two sides of the second connecting flange 4, a limiting mechanism 7 is connected between the first side block 5 and the second side block 6 which are opposite in pairs, each limiting mechanism 7 comprises a bolt 71, the bolt 71 is twisted into a position between the first side block 5 and the second side block 6, the first side block 5 and the second side block 6 can be fixed by the bolt 71, water stop sheets 8 are arranged at two ends of the bolt 71, the water stop sheets 8 are made of water-absorbing expansion rubber, the water stop sheets 8 are made of expansion rubber, when water exists at the joint of the bolt 71 and the first side block 5 and the second side block 6, the water stop sheet 8 expands when encountering water to block gaps at the joints of the bolts 71 and the first side block 5 and the second side block 6, so that moisture is prevented from entering the joints of the bolts 71 and the first side block 5 and the second side block 6 to cause rusting, one end of each bolt 71 is in threaded connection with the adjusting nut 72, two ends of each adjusting nut 72 are connected with the limiting rings 73, the tightness of each adjusting nut 72 is adjusted by holding the limiting rings 73 of the adjusting nuts 72, the middle parts of the limiting rings 73 are of a hollow structure, fingers can conveniently extend into the holding limiting rings 73, the adjusting nuts 72 can be conveniently twisted, special tools are not needed for twisting the adjusting nuts 72, the fixing mechanism 9 is quite convenient, the middle parts of two ends of the first connecting flange 2 are connected with the fixing mechanism 9, the fixing mechanism 9 comprises screw rods 92, one ends of the screw rods 92, corresponding to the inner sides of the first connecting flange 2, are fixedly connected with the insertion blocks 93, and the two screw rods 92 are far away from each other by rotating the screw rods 92, the inserted blocks 93 that drive two screw rods 92 both ends are kept away from each other for one side of rubber ring 13 breaks away from the fixed of inserted block 93, can dismantle down rubber ring 13 and change, and first annular 12 has been seted up to one side of the relative second flange 4 of first flange 2, and the gomphosis has one side of rubber ring 13 in the first annular 12, through inserted block 93, can fix one side of rubber ring 13 in first annular 12.

Wherein, the spacing ring 73 all with adjusting nut 72 fixed connection, the spacing ring 73 is hollow structure, adjusting nut 72 all sets up in second side piece 6 and keeps away from first side piece 5 one side, first through-hole 17 has all been seted up on first side piece 5, second through-hole 18 has all been seted up on second side piece 6, the equal threaded connection of bolt 71 is between two liang of relative first through-hole 17 and second through-hole 18, turn round bolt 71 into between first through-hole 17 of first side piece 5 and the second through-hole 18 of second side piece 6, spacing ring 73 through holding adjusting nut 72, adjust adjusting nut 72's elasticity, spacing ring 73 middle part is hollow structure, the finger of being convenient for stretches into and holds spacing ring 73, be convenient for twist round adjusting nut 72, need not to utilize special instrument to twist round adjusting nut 72, and be very convenient.

Wherein, bolt 71 all with first lateral mass 5 threaded connection, bolt 71 one end all runs through first lateral mass 5 and threaded connection in second lateral mass 6, and bolt 71 all extends to second lateral mass 6 and keeps away from first lateral mass 5 one side, twists bolt 71 and enters between first lateral mass 5 and the second lateral mass 6, and first lateral mass 5 and second lateral mass 6 can be fixed by bolt 71.

Wherein, the both sides outer wall of first flange 2 is turned round relatively 91 and is all connected with grafting mechanism 15, grafting mechanism 15 includes T type piece 151, four T type pieces 151 are pegged graft respectively in turning round the both ends of 91, when needing to change rubber ring 13, pulling T type piece 151, spring 152 and flexible post 153 are compressed, make to turn round to keep away from each other T type piece 151 of 91 both sides, turn round 91 and break away from the spacing of T type piece 151, can twist round 91 of turning round of first flange 2 both sides, drive screw rod 92 and rotate, make two screw rods 92 keep away from each other, the inserted block 93 that drives two screw rod 92 both ends are kept away from each other, make one side of rubber ring 13 break away from the fixed of inserted block 93, can dismantle down rubber ring 13 and change.

Wherein, spacing ring 73 middle part is hollow structure, water stop sheet 8 all cup joints on bolt 71, the water stop sheet 8 that is close to first side piece 5 all presss from both sides between nut one end and first side piece 5 of bolt 71, the water stop sheet 8 that is close to second side piece 6 all presss from both sides between spacing ring 73 and second side piece 6, water stop sheet 8 is the inflation rubber material that absorbs water, water stop sheet 8 is the inflation rubber material, when there is water in bolt 71 and first side piece 5 and second side piece 6 junction, water stop sheet 8 meets the water inflation, block up the gap of bolt 71 and first side piece 5 and second side piece 6 junction, it arouses to rust to avoid the moisture to get into bolt 71 and first side piece 5 and second side piece 6 junction.

Wherein, the relative inserted block 93 in rubber circle 13 both sides has seted up second connecting hole 11, inserted block 93 all pegs graft in second connecting hole 11, first connecting hole 10 has been seted up to the relative screw rod 92 in 2 both sides of first flange, first connecting hole 10 communicates with each other with second connecting hole 11, two screw rods 92 all peg graft in first connecting hole 10, 11 one end threaded connection in 2 one sides of first connecting flange are kept away from to two screw rods 92 of second connecting hole, the equal fixedly connected with of one end that two screw rods 92 kept away from each other is turned round 91, it all sets up in the outside of first connecting hole 10 to turn round 91.

Wherein, the second annular 14 has been seted up to one side of second flange 4 relative rubber circle 13, and rubber circle 13 keeps away from first flange 2 one side gomphosis in second annular 14, and with one side gomphosis of rubber circle 13 in second annular 14 of second flange 4, can be with rubber circle 13 clamping between first flange 2 and second flange 4.

Wherein, the equal fixedly connected with telescopic column 153 of one end that two liang of relative T type pieces 151 kept away from relatively, spring 152 has all been cup jointed on telescopic column 153, the equal fixedly connected with connecting block 16 of the relative grafting mechanism 15 in both sides of first connecting flange 2, telescopic column 153 keeps away from the equal fixed connection of one end of T type piece 151 on connecting block 16, loosen T type piece 151, spring 152 kick-backs and makes two liang of relative telescopic column 153 be close to each other, make to turn round T type piece 151 of 91 both sides to be close to each other, turn round the spacing of 91 by T type piece 151, avoid turning round 91 and receive vibrations rotational deviation.

Specifically, the method comprises the following steps: a loading arm pipeline connecting structure convenient for disassembly and assembly is characterized in that when an elbow 1 and a drop tube 3 are installed during use, a T-shaped block 151, a spring 152 and a telescopic column 153 are pulled to be compressed, so that the T-shaped blocks 151 on two sides of a twist handle 91 are far away from each other, the twist handle 91 on two sides of a first connecting flange 2 can be twisted by separating the twist handle 91 from the limit of the T-shaped block 151, the screw rods 92 are driven to rotate, the insertion blocks 93 on two ends of the two screw rods 92 are driven to be far away from each other, one side of a rubber ring 13 is pressed into a first annular groove 12 on the first connecting flange 2, the rubber ring 13 is embedded into the first annular groove 12, the twist handles 91 on two sides of the first connecting flange 2 are twisted again, the screw rods 92 are driven to rotate, the two screw rods 92 are driven to approach each other, the insertion blocks 93 on two ends of the two screw rods 92 are driven to approach each other, and the two insertion blocks 93 are inserted into a second connecting hole 11 of the rubber ring 13, one side of the rubber ring 13 can be fixed, the T-shaped block 151 is loosened, the spring 152 rebounds to enable every two opposite telescopic columns 153 to be close to each other, the T-shaped blocks 151 on the two sides of the torsion handle 91 are enabled to be close to each other, the torsion handle 91 is limited by the T-shaped block 151, the torsion handle 91 is prevented from being vibrated and rotated to be deviated, the second connecting flange 4 on one side of the vertical pipe 3 is pressed on the rubber ring 13, one side of the rubber ring 13 is pressed towards the second annular groove 14, one side of the rubber ring 13 is embedded into the second annular groove 14 of the second connecting flange 4, the rubber ring 13 can be clamped between the first connecting flange 2 and the second connecting flange 4, the water stop sheet 8 is sleeved on the bolt 71, the bolt 71 is rotated between the first side block 5 and the second side block 6, the water stop sheet 8 is made of expanded rubber, when water exists at the joint of the bolt 71 and the first side block 5 and the second side block 6, the water stop sheet 8 expands when meeting water, the gap between the connection part of the bolt 71 and the first side block 5 and the second side block 6 is blocked, moisture is prevented from entering the connection part of the bolt 71 and the first side block 5 and the second side block 6 to cause rusting, the tightness of the adjusting nut 72 is adjusted by holding the limiting ring 73 of the adjusting nut 72, the middle part of the limiting ring 73 is of a hollow structure, fingers can conveniently extend into the holding limiting ring 73 to hold the adjusting nut 72 to twist the adjusting nut 72, a special tool is not needed to twist the adjusting nut 72, the adjusting nut 72 is conveniently connected onto the bolt 71 in a threaded manner, so that the first connecting flange 2 and the second connecting flange 4 are fixed, when the bent pipe 1 and the vertical pipe 3 need to be disassembled, the adjusting nut 72 is twisted out of the bolt 71 by holding the limiting ring 73 of the adjusting nut 72, the bolt 71 is twisted out of the space between the first side block 5 and the second side block 6, the bent pipe 1 is pulled, one side of the rubber ring 13 is, can dismantle return bend 1 and plumbing 3, when needing to change rubber ring 13, pulling T type piece 151, spring 152 and flexible post 153 are compressed, make to turn round and keep away from the T type piece 151 of 91 both sides each other, turn round the spacing that 91 breaks away from T type piece 151, can twist round 91 of 2 both sides of first connecting flange, drive screw rod 92 and rotate, make two screw rods 92 keep away from each other, the inserted block 93 that drives two screw rods 92 both ends is kept away from each other, make one side of rubber ring 13 break away from the fixed of inserted block 93, can dismantle down rubber ring 13 and change.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.