Connecting device for petroleum storage and transportation pipeline

Abstract

The utility model relates to the technical field of pipeline connecting devices, and discloses a connecting device for petroleum storage and transportation pipelines, which comprises two groups of oil pipe main bodies, and a first flange plate and a second flange plate are respectively fixed at the ends, close to each other, of the two groups of oil pipe main bodies; bolts are arranged on a plurality of groups of corresponding flange holes between the first flange plate and the second flange plate; an extending block slides on the bolt, and a spring is fixed between the extending block and the bolt; according to the connecting device for the petroleum storage and transportation pipeline, the first flange plate and the second flange plate can be connected and locked by screwing a set of hexagonal seats, multiple sets of bolts do not need to be screwed, the mounting and dismounting time is shortened, and the mounting and dismounting efficiency is improved. The labor intensity of workers is relieved, the maintenance time is shortened under the emergency maintenance condition, and the using effect of the structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connecting device technical field, concretely is a kind of connecting device for petroleum storage and transportation pipeline. BACKGROUND

[0002] As an important energy resource, petroleum occupies a pivotal position in China's national economy. With the rapid development of China's petroleum industry, the construction and operation of petroleum storage and transportation pipelines are increasingly valued. Petroleum storage and transportation pipelines are used to transport petroleum products such as crude oil and natural gas from production areas to consumption areas such as oil refineries and gas stations. Safe and efficient operation of the pipelines is of great significance to energy supply security.

[0003] During the construction and operation of petroleum storage and transportation pipelines, pipeline connecting devices play a key role. Pipeline connecting devices are used to connect segments of pipelines to form a complete oil transportation system. Currently, common pipeline connecting methods include flange connection, in which multiple sets of bolts and nuts are provided on the flange plate. The connection of multiple sets of bolts and nuts means that more time and labor are required for installation and disassembly, which not only increases the work intensity but also may prolong the repair time in emergency repair situations. Therefore, a connecting device for petroleum storage and transportation pipelines is proposed to solve the above problems. SUMMARY

[0004] To overcome the deficiencies of the prior art, the utility model provides a connecting device for petroleum storage and transportation pipelines, which solves the problem of multiple sets of bolts and nuts on the flange plate, which means that more time and labor are required for installation and disassembly, which not only increases the work intensity but also may prolong the repair time in emergency repair situations.

[0005] To achieve the above purposes, the utility model is implemented by the following technical solutions: a connecting device for petroleum storage and transportation pipelines, comprising two sets of oil pipe bodies, and a first flange plate and a second flange plate are fixed to the ends of the two sets of oil pipe bodies that are close to each other.

[0006] Multiple sets of latches are provided on the corresponding flange holes between the first flange plate and the second flange plate.

[0007] A protruding block is slidably arranged on the latch, and a spring is fixed between the protruding block and the latch.

[0008] A hexagonal seat is threadedly connected to the surface of the first flange plate through the thread teeth.

[0009] One end of the hexagonal seat is fixed with an extrusion plate.

[0010] Preferably, the surface of the plug pin is provided with a moving groove matched with the protruding block, the protruding block and the plug pin are slidably connected through the moving groove, a telescopic rod is fixed between the protruding block and the plug pin, and the spring is arranged on the surface of the telescopic rod.

[0011] Preferably, the surface of the first flange plate is fixed with a first limiting ring for limiting and blocking the hexagonal seat.

[0012] Preferably, the surface of the second flange plate close to the side of the first flange plate is provided with a sealing ring through an annular groove.

[0013] Preferably, the surface of the extrusion plate close to the first limiting ring is fixed with a second limiting ring, one side of the protruding block is provided with a clamping groove matched with the second limiting ring, and the protruding block is clamped on the second limiting ring through the clamping groove, so as to limit the protruding block in the transverse direction.

[0014] Preferably, the side of the extrusion plate away from the hexagonal seat is provided with an insertion groove, and a limiting block is arranged in the insertion groove, a through hole is formed in the limiting block, a bolt rod is arranged in the through hole, a threaded hole matched with the bolt rod is formed in the inside of the extrusion plate, one end of the bolt rod penetrates through the through hole of the limiting block and is screwed into the threaded hole formed in the extrusion plate, and the bolt rod is used for connecting and locking the extrusion plate and the limiting block.

[0015] Beneficial effects

[0016] The utility model provides a connecting device for petroleum storage and transportation pipeline.

[0017] The connecting device for petroleum storage and transportation pipeline can drive multiple plug pins to realize the connection and locking of the first flange plate and the second flange plate by screwing a group of hexagonal seats, without the need of screwing multiple bolts and nuts, so as to reduce the installation and dismounting time, reduce the labor intensity of workers, reduce the maintenance time in the case of emergency maintenance, and improve the use effect of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a plug pin structure partial sectional view of the utility model;

[0020] Figure 3 It is a whole structure expansion view of the utility model.

[0021] In the figure: 101, oil pipe body; 102, first flange; 103, second flange; 104, bolt; 105, spring; 106, telescopic rod; 107, extension block; 108, hexagonal seat; 109, first limiting ring; 110, extrusion plate; 111, second limiting ring; 112, clamping groove; 113, sealing ring; 114, limiting block; 115, bolt rod; 116, insertion slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As shown in the figure: Figure 1

[0024] A connecting device for petroleum storage and transportation pipeline, comprising two groups of oil pipe body 101.

[0025] In the embodiment: to solve the technical problems existing in the prior art, as disclosed in the background art above, "the pipeline connecting device plays a key role in the construction and operation of the petroleum storage and transportation pipeline. The pipeline connecting device is used to connect a section of pipeline to form a complete oil transportation system. At present, the common pipeline connection mode is flange connection, and a plurality of bolts and nuts are arranged on the flange. The connection of a plurality of bolts and nuts means that more time and labor are needed for installation and disassembly. This not only increases the work intensity, but also may prolong the repair time in the case of emergency repair", in combination with use, this problem is obviously a practical problem and is relatively difficult to solve.

[0026] Further:

[0027] As shown in the figure: Figures 1-3

[0028] In combination with the above content: the two groups of oil pipe body 101 are respectively fixed with first flange 102 and second flange 103 at the end close to each other;

[0029] A plurality of bolt holes corresponding between first flange 102 and second flange 103 are provided with bolt 104;

[0030] Extension block 107 is slid on bolt 104, and spring 105 is fixed between extension block 107 and bolt 104;

[0031] ​​The surface of the latch 104 is provided with a moving groove matched with the protruding block 107, the protruding block 107 and the latch 104 are slidably connected through the moving groove, the telescopic rod 106 is fixed between the protruding block 107 and the latch 104, and the spring 105 is arranged on the surface of the telescopic rod 106;

[0032] The surface of the first flange plate 102 is threadedly connected with the hexagonal seat 108 through the threaded teeth;

[0033] One end of the hexagonal seat 108 is fixed with the extrusion plate 110;

[0034] The surface of the first flange plate 102 is fixed with the first limiting ring 109 for limiting and blocking the hexagonal seat 108.

[0035] In the embodiment, when the two groups of oil pipe bodies 101 are connected through the first flange plate 102 and the second flange plate 103,

[0036] First, the second flange plate 103 on the oil pipe body 101 is corresponded to the first flange plate 102, and the flange holes of the first flange plate 102 and the second flange plate 103 are aligned, then the latch 104 is inserted through the flange holes of the first flange plate 102 and the second flange plate 103;

[0037] While the latch 104 is inserted, the protruding block 107 is pressed, so that the protruding block 107 is compressed to the latch 104, thereby facilitating the latch 104 to pass through the flange hole better;

[0038] The protruding block 107 on the latch 104 is passed through the extrusion plate 110, and the latch 104 is screwed, so that the protruding block 107 on the latch 104 is corresponded to one side of the extrusion plate 110, the spring 105 rebounds and drives the protruding block 107 to move out of the latch 104 by loosening the protruding block 107, the telescopic rod 106 is fixed between the protruding block 107 and the latch 104, and the telescopic rod 106 can further limit the protruding block 107, avoiding the protruding block 107 from being separated from the moving groove of the latch 104;

[0039] Then, the hexagonal seat 108 is rotated, the hexagonal seat 108 and the first flange plate 102 are screwed, and the hexagonal seat 108 moves to the direction of the first limiting ring 109 while being rotated, the extrusion plate 110 is synchronously moved while the hexagonal seat 108 is moved, the protruding block 107 on the plurality of latches 104 is moved by the extrusion plate 110, the protruding block 107 drives the latch 104 to move, and the first flange plate 102 and the second flange plate 103 are extruded and locked;

[0040] The scheme can drive multiple sets of bolts 104 to realize the connection and locking of the first flange plate 102 and the second flange plate 103 by screwing a set of six-sided seats 108, without screwing multiple sets of bolts and nuts, reducing the installation and disassembly time, reducing the labor intensity of workers, and reducing the maintenance time in emergency maintenance, and improving the use effect of the structure.

[0041] Further more;

[0042] In an optional embodiment, a sealing ring 113 is arranged on the side of the surface of the second flange plate 103 close to the first flange plate 102 through the annular groove.

[0043] In the embodiment, the sealing ring 113 is arranged on the second flange plate 103, and when the first flange plate 102 and the second flange plate 103 are aligned and extruded and locked, the first flange plate 102 and the second flange plate 103 are extruded relative to each other to extrude and deform the sealing ring 113, and the sealing ring 113 plays a sealing role between the first flange plate 102 and the second flange plate 103, avoiding the leakage of oil from the gap between the first flange plate 102 and the second flange plate 103.

[0044] Further more;

[0045] In an optional embodiment, a second limiting ring 111 is fixed on the side of the surface of the extrusion plate 110 close to the first limiting ring 109, and a clamping groove 112 matched with the second limiting ring 111 is arranged on one side of the protruding block 107, and the protruding block 107 is clamped on the second limiting ring 111 through the clamping groove 112, for transversely limiting the protruding block 107.

[0046] In the embodiment, the clamping groove 112 is matched with the second limiting ring 111, the clamping groove 112 arranged on the protruding block 107 is clamped on the second limiting ring 111 of the extrusion plate 110, and the second limiting ring 111 can transversely limit the movement of the protruding block 107 while the extrusion plate 110 extrudes the protruding block 107, avoiding the protruding block 107 from sliding out of the surface of the extrusion plate 110 and affecting the locking effect of the bolt 104.

[0047] Further more;

[0048] In an optional embodiment, an insertion slot 116 is arranged on the side of the extrusion plate 110 away from the six-sided seat 108, and a limiting block 114 is arranged in the insertion slot 116, a through hole is arranged on the limiting block 114, a bolt rod 115 is arranged in the through hole, a threaded hole matched with the bolt rod 115 is arranged in the inside of the extrusion plate 110, one end of the bolt rod 115 penetrates through the through hole of the limiting block 114 and is screwed into the threaded hole arranged in the extrusion plate 110, for connecting and locking the extrusion plate 110 and the limiting block 114.

[0049] In the embodiment: when the hexagonal seat 108 is tightly attached to one side of the first limiting ring 109, the limiting block 114 is inserted into the slot 116, and the limiting block 114 is locked on the extrusion plate 110 through the bolt rod 115, when the limiting block 114 is inserted into the slot 116, one side of the limiting block 114 is in contact with the flange hole surface of the first flange plate 102, so that the limiting block 114 can limit the other side of the hexagonal seat 108, avoiding the movement of the hexagonal seat 108, and improving the stability of the connection between the first flange plate 102 and the second flange plate 103.

[0050] The working principle and use process of the utility model: the connecting device for petroleum storage and transportation pipeline, when connecting two groups of oil pipe bodies 101 through the first flange plate 102 and the second flange plate 103;First, the second flange plate 103 on the oil pipe body 101 corresponds to the first flange plate 102, and the flange holes of the first flange plate 102 and the second flange plate 103 are aligned, then the bolt 104 is inserted through the flange holes of the first flange plate 102 and the second flange plate 103;When the bolt 104 is inserted, the extension block 107 is pressed, so that the extension block 107 is compressed to the bolt 104, so that the bolt 104 is better inserted through the flange hole;The bolt 104 is inserted through the bolt 104, and the extension block 107 on the bolt 104 is moved beyond the extrusion plate 110, and the bolt 104 is screwed, so that the extension block 107 on the bolt 104 corresponds to one side of the extrusion plate 110, the spring 105 is rebounded by loosening the extension block 107, and the extension block 107 is partially moved out of the bolt 104;Then rotate the hexagonal seat 108, because the hexagonal seat 108 and the first flange plate 102 are screwed, and then move to the direction of the first limiting ring 109 while rotating the hexagonal seat 108, the hexagonal seat 108 moves while moving the extrusion plate 110, and the extrusion plate 110 pulls the extension block 107 on the plurality of bolts 104 to move, so that the extension block 107 drives the bolt 104 to move, thereby extruding and locking the first flange plate 102 and the second flange plate 103.

[0051] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A connecting device for oil storage and transportation pipes, comprising two groups of oil pipe bodies (101), characterized in that, Two groups of the oil pipe body (101) are fixed with first flange plate (102) and second flange plate (103) respectively on one end close to each other; The first flange plate (102) and the second flange plate (103) are provided with a plurality of groups of flange holes corresponding to the bolt (104); The bolt (104) is slidably provided with the extension block (107), and the spring (105) is fixed between the bolt (104) and the extension block (107); The surface of the first flange plate (102) is threadedly connected with the hexagonal seat (108) by the threaded teeth; One end of the hexagonal seat (108) is fixed with the extrusion plate (110).

2. The connection device for oil storage and transportation pipes according to claim 1, characterized in that: The surface of the bolt (104) is provided with a moving groove matched with the extension block (107), the extension block (107) and the bolt (104) are slidably connected through the moving groove, the extension block (107) and the bolt (104) are fixed with the telescopic rod (106), and the spring (105) is arranged on the surface of the telescopic rod (106).

3. The connection device for oil storage and transportation pipes according to claim 2, characterized in that: The surface of the first flange plate (102) is fixed with the first limiting ring (109) for limiting and blocking the hexagonal seat (108).

4. The connection device for oil storage and transportation pipes according to claim 1, characterized in that: The surface of the second flange plate (103) is provided with the sealing ring (113) on the side close to the first flange plate (102) through the annular groove.

5. The connection device for petroleum storage and transportation pipes according to claim 1, characterized in that: The surface of the extrusion plate (110) is fixed with the second limiting ring (111) on the side close to the first limiting ring (109), one side of the extension block (107) is provided with the clamping groove (112) matched with the second limiting ring (111), and the extension block (107) is clamped on the second limiting ring (111) through the clamping groove (112) for transverse limiting of the extension block (107).

6. The connection device for petroleum storage and transportation pipes according to claim 1, characterized in that: The side, away from the hexagonal seat (108), of the extrusion plate (110) is provided with the insertion slot (116), the insertion slot (116) is provided with the limiting block (114), the limiting block (114) is provided with the through hole, the through hole is provided with the bolt rod (115), the inside of the extrusion plate (110) is provided with the threaded hole matched with the bolt rod (115), one end of the bolt rod (115) penetrates the through hole of the limiting block (114) and is screwed into the threaded hole of the extrusion plate (110), and the bolt rod (115) is used for connecting and locking the extrusion plate (110) and the limiting block (114).

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