CN219549851U

CN219549851U - Be applied to bolt anti vibration structure of petroleum pipeline axle

Info

Publication number: CN219549851U
Application number: CN202320341296.8U
Authority: CN
Inventors: 冯红波; 周光亮; 江惠涛; 刘辉梅
Original assignee: Foshan Xilongyuan Machinery Fittings Co ltd
Current assignee: Foshan Xilongyuan Machinery Fittings Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-18
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a bolt vibration-resistant structure applied to a petroleum pipeline shaft, which belongs to the technical field of petroleum pipelines and comprises a petroleum pipeline A, a sealing ring, a flange plate A, a flange plate B, a groove, a connecting plate A, a connecting plate B and a petroleum pipeline B, wherein one end of the outer side of the petroleum pipeline A is provided with the petroleum pipeline B, the sealing ring is arranged between the petroleum pipeline B and the outer wall of the petroleum pipeline A in an extrusion sealing manner, and the flange plate B is arranged on the outer side of the petroleum pipeline A in a sliding manner. After the limiting rod is driven to slide into the space between the inner sides of the opposite sliding groove A and the limiting groove B, the limiting block is loosened, so that the damping telescopic rod B and the outer spring drive the limiting block to shrink, after the limiting block slides into the inner side of the limiting groove A opposite to the outer wall of the hexagonal nut, the hexagonal nut is completely limited and locked, and after other hexagonal nuts are locked in the same way, the hexagonal nuts can be prevented from loosening, and the petroleum leakage caused by the loosening of the petroleum pipeline A and the petroleum pipeline B can be prevented.

Description

Be applied to bolt anti vibration structure of petroleum pipeline axle

Technical Field

The utility model belongs to the technical field of petroleum pipelines, and particularly relates to a bolt vibration-resistant structure applied to a petroleum pipeline shaft.

Background

Petroleum pipelines are long-distance pipelines which are mainly used for conveying a large amount of petroleum products, so that the extracted petroleum can be directly conveyed into corresponding processing factories through the petroleum pipelines, the petroleum pipelines are generally steel pipes, and pipeline ports are connected and fixed through flanges, so that a petroleum pipeline is needed.

According to the search, a patent number CN201820372687.5 is a bolt for petroleum pipelines, and the bolt for petroleum pipelines is provided with a locking disc, a pin hole and a limiting pin, so that the bolt can be limited and fixed after the nut is screwed, the phenomenon that the bolt is mounted on the petroleum pipelines and is not firm due to loosening of the nut is effectively avoided, the connection firmness between the petroleum pipelines is improved, and after the nut is screwed, the nut can be protected from being corroded and damaged by rainwater by screwing a protective cover on a protective cover, and the service life of the bolt is prolonged; the disadvantages are as follows:

when the staff uses this kind of bolt for petroleum pipeline, when carrying out fixed processing to the junction ring flange between two petroleum pipelines, slide the bolt outside with protective sheath and spring packing ring, make the back of in the pinhole is slided to protective sheath bottom both ends spacer pin, screw in nut extrusion spring packing ring and protective sheath at the bolt other end, prevent bolt and nut production not hard up, and the nut does not carry out effectual spacing fixed processing, still can lead to the vibrations that the petroleum pipeline produced when carrying a large amount of petroleum, can cause the nut to produce the gyration, spring packing ring and protective sheath produce not hard up after, cause the looseness of junction between the petroleum pipeline, and, after carrying out the connection fixed between two petroleum pipelines through a plurality of bolts, the bolt is the vibrations that produce when being in the petroleum process most easily receive two petroleum pipeline connection and cause not hard up influence.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the nut of the bolt for the petroleum pipeline is not subjected to effective limiting and fixing treatment, and the bolt is easy to vibrate to loosen, the bolt vibration-resistant structure applied to the petroleum pipeline shaft is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a be applied to bolt anti vibration structure of petroleum pipeline axle, includes petroleum pipeline A, sealing washer, ring flange A, ring flange B, recess, connecting plate A, connecting plate B and petroleum pipeline B, petroleum pipeline A outside one end is provided with petroleum pipeline B, the extrusion seal is provided with the sealing washer between petroleum pipeline B and the petroleum pipeline A outer wall, petroleum pipeline A outside sliding is provided with ring flange B, petroleum pipeline B outer wall one end fixed mounting has ring flange A, ring flange B and ring flange A outer wall all imbeds and are provided with the recess, the recess has a plurality of, and is the equidistance and encircle the setting, a plurality of recess inboardly all slides of ring flange A outer wall is provided with connecting plate A, a plurality of recess inboardly of ring flange B outer wall is provided with connecting plate B, be provided with between connecting plate A and the connecting plate B outside and be provided with between the relative recess inboard and avoid the bolt hexagonal nut to receive the not hard up anti vibration slow down mechanism that vibrations produced.

The anti-seismic damping telescopic rod A is fixedly arranged between the outer side of the connecting plate A and the outer side of the connecting plate B and is provided with a plurality of damping telescopic rods A which are arranged in an equidistant encircling mode, springs are arranged on the outer side of the damping telescopic rods A in a matched mode, rubber plates are fixedly arranged between the two ends of the outer wall of the connecting plate A and the inner wall of the corresponding groove, the rubber plates are in extrusion contact with each other, and the rubber plates are made of butadiene rubber.

The limiting locking mechanism comprises a limiting groove A, a limiting groove B, a sliding groove A, a locking frame, a limiting rod, a sliding groove B, a damping telescopic rod B and a limiting block, wherein the locking frame is arranged at the other end of the outer side of the hexagon nut in a sliding mode, the limiting rod is fixedly installed on the upper side and the lower side of one end of the outer wall of the locking frame, the limiting groove B is embedded in one end of the outer wall of the connecting plate A and is provided with the limiting groove B, the limiting grooves B are formed in a plurality of mode and are equidistantly arranged in a surrounding mode, the sliding groove A is formed in a plurality of mode, the limiting rod is arranged in a mode of being equidistantly in a surrounding mode in a sliding mode, the damping telescopic rod B is fixedly installed at the upper end and the lower end of the outer wall of the hexagon nut in a matched mode, a spring is arranged at the outer side of the damping telescopic rod B in a matched mode, the limiting block is fixedly installed at the other end of the outer wall of the damping telescopic rod, the upper side and the lower side of the outer wall of the locking frame is embedded in the sliding groove B in the matched mode, the sliding groove B is arranged on the periphery of the outer wall of the hexagon nut, the limiting groove A is arranged in a mode, the inner side of the sliding groove B is in a matched sliding mode, and the limiting rod is arranged in the sliding mode is matched with the limiting groove A is arranged between the limiting groove A is in the sliding portion.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. this kind of be applied to bolt anti vibration structure of petroleum pipeline axle is through being provided with the rubber slab, can make a large amount of petroleum pass through the junction between petroleum pipeline A and the petroleum pipeline B, and constantly strike the inner wall, when producing vibrations to the junction between petroleum pipeline A and the petroleum pipeline B, connecting plate A and connecting plate B will constantly extrude damping telescopic link A and outside spring shrink rebound again between the recess inner wall, make damping telescopic link A and outside spring with the junction between petroleum pipeline A and the petroleum pipeline B, when weakening the vibrations that connecting plate A and connecting plate B produced, butadiene rubber material rubber slab between connecting plate A and connecting plate B outer wall both ends and the relative recess inner wall will produce great friction each other, with a part vibrations offset, hexagonal nut and bolt can not receive great vibrations and produce gyration to loosen between messenger's connecting plate A and the connecting plate B, improve and can avoid receiving great vibrations and produce not hard up to hexagonal nut and bolt, cause the leakage of oil.

2. This kind of be applied to bolt anti vibration structure of petroleum pipeline axle is through being provided with the jam frame, can make the staff pull the stopper again and drive damping telescopic link B and outside spring expansion, will prevent the jam frame outside to drive the back between the opposite spout A of gag lever post slip and the spacing inslot B, loosen the stopper, make damping telescopic link B and outside spring drive the stopper shrink, make the stopper slide in the spacing inslot A back relative to the hex nut outer wall, carry out complete spacing locking with the hex nut, improve through the spacing locking of jam frame back to the hex nut, can not produce not hard up effect easily.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional view of a bolt anti-vibration structure of the present utility model;

FIG. 2 is a schematic diagram of the enlarged structure of FIG. 2A in accordance with the present utility model;

FIG. 3 is a schematic diagram showing a front perspective structure of the anti-loosening frame;

fig. 4 is a schematic diagram showing a front perspective structure of a connecting plate B in the utility model.

The marks in the figure: 1. petroleum pipeline A; 101. a seal ring; 2. a flange plate A; 3. a flange B; 301. a groove; 302. damping telescopic rod A; 4. a connecting plate A; 401. a rubber plate; 402. a bolt; 403. a hexagonal nut; 404. a limit groove A; 405. a limit groove B; 5. a connecting plate B; 501. a chute A; 6. an anti-loosening frame; 601. a limit rod; 602. a chute B; 603. damping telescopic rod B; 604. a limiting block; 7. petroleum pipeline B.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

embodiment one: referring to fig. 1-4, a bolt vibration-proof structure applied to a petroleum pipeline shaft comprises a petroleum pipeline A1, a sealing ring 101, a flange plate A2, a flange plate B3, a groove 301, a connecting plate A4, a connecting plate B5 and a petroleum pipeline B7, wherein one end of the outer side of the petroleum pipeline A1 is provided with the petroleum pipeline B7, the sealing ring 101 is arranged between the petroleum pipeline B7 and the outer wall of the petroleum pipeline A1 in an extrusion sealing manner, the flange plate B3 is arranged on the outer side of the petroleum pipeline A1 in a sliding manner, the flange plate A2 is fixedly arranged at one end of the outer wall of the petroleum pipeline B7, the grooves 301 are all embedded into the grooves 301, the grooves 301 are formed in an equidistant surrounding manner, the inner sides of the grooves 301 of the outer wall of the flange plate A2 are all provided with the connecting plate A4 in a sliding manner, the inner sides of the grooves 301 of the outer wall of the flange plate B3 are all provided with the connecting plate B5 in a sliding manner, a limit locking mechanism capable of locking hexagonal nuts to prevent loosening is arranged between the connecting plate A4 and the outer side of the connecting plate B5, and the inner sides of the opposite grooves 301 are provided with a vibration-proof and damping mechanism for preventing the hexagonal nuts of the bolts from loosening due to vibration.

Referring to fig. 1, 2, and 4, further, the anti-seismic mitigation mechanism is composed of a damping telescopic rod a302, a rubber plate 401, a bolt 402, and a hexagonal nut 403;

the screw thread connection has bolt 402 between the relative connecting plate A4 and connecting plate B5 outside, there is hex nut 403 in screw thread connection on one end of the outer wall of bolt 402, all fixed mounting has damping telescopic rod A302 between connecting plate A4 and connecting plate B5 side outer wall and the relative recess 301 inner wall, damping telescopic rod A302 has a plurality of, and be equidistant around setting, and the supporting spring that is provided with in damping telescopic rod A302 outside, all fixed mounting has rubber slab 401 between connecting plate A4 and connecting plate B5 outer wall both ends and the relative recess 301 inner wall, and be extrusion contact setting between the relative rubber slab 401, rubber slab 401 material is butadiene rubber, when the staff need connect two petroleum pipeline installation, carry petroleum pipeline A1 behind the installation place, promote behind the direction of flange dish B3 to petroleum pipeline B7 outer wall flange dish A2 in petroleum pipeline A1 outside slip, and slide a plurality of bolt 402 into behind relative connecting plate A4 and the connecting plate B5 outside, twist hex nut 403 outside at the bolt 402 outside, make hex nut 403 hug closely the connecting plate B5 outer wall fix, while extrusion petroleum pipeline B7 and petroleum pipeline A1 are sealed with the side wall A1, when the expansion joint is no longer carried out to the expansion seal between the connecting plate A1 and the petroleum pipeline B1, when the expansion joint is passed through to the expansion joint between the petroleum pipeline A1 and the petroleum pipeline B1, the outside is no vibration is broken, the expansion joint between the petroleum pipeline B1 and the side is produced between the large pipeline B1 and the expansion seal line is connected to the expansion joint between the petroleum pipeline B1 and the petroleum pipeline B1, the outside, the expansion joint is no vibration is no time, the expansion joint between the large pipeline B1 and the outside is connected with the petroleum pipeline B1 and the large pipeline B is connected to the expansion seal between the large pipeline B1 and the expansion joint is connected to the large and the expansion pipeline B1, the butadiene rubber material rubber plates 401 between the two ends of the outer walls of the connecting plates A4 and B5 and the inner walls of the opposite grooves 301 generate larger friction with each other, and offset a part of vibration, so that the hexagon nuts 403 and bolts 402 between the connecting plates A4 and B5 cannot be rotated and loosened due to larger vibration, and petroleum leakage is caused.

Referring to fig. 1-3, further, the limit locking mechanism is composed of a limit groove a404, a limit groove B405, a slide groove a501, a locking frame 6, a limit rod 601, a slide groove B602, a damping telescopic rod B603 and a limit block 604;

the other end of the outer side of the hexagonal nut 403 is provided with a locking frame 6 in a sliding manner, the upper side and the lower side of one end of the outer wall of the locking frame 6 are fixedly provided with a limiting rod 601, one end of the outer wall of the connecting plate A4 is embedded with a limiting groove B405, a plurality of limiting grooves B405 are formed in an equidistant surrounding manner, one end of the outer wall of the connecting plate B5 is embedded with and penetrates through a sliding groove A501, a plurality of sliding grooves A501 are formed in an equidistant surrounding manner, the limiting rod 601 is arranged between the opposite limiting groove B405 and the inner side of the sliding groove A501 in a sliding manner, the upper end and the lower end of the outer wall of the locking frame 6 are fixedly provided with damping telescopic rods B603, the outer side of the damping telescopic rods B603 are provided with springs in a matching manner, the other end of the outer wall of the damping telescopic rods B603 are fixedly provided with limiting blocks 604, the upper side and the lower side of one end of the outer wall of the locking frame 6 are embedded with a sliding groove B602, the periphery of the outer wall of the hexagonal nut 403 is embedded with a limiting groove A404, six limit grooves A404 are arranged, limit blocks 604 are matched and slide between a chute B602 and the inner sides of the limit grooves A404, when a worker fixes a plurality of connection plates A4 and a plurality of connection plates B5 through a hexagonal nut 403 and a bolt 402, the worker pulls the limit blocks 604 to drive a damping telescopic rod B603 and an outer side spring to be unfolded, a locking frame 6 is slid to the outer side of the hexagonal nut 403, and drives a limit rod 601 to slide between the opposite chute A501 and the inner sides of the limit grooves B405, the limit blocks 604 are loosened, the damping telescopic rod B603 and the outer side spring drive the limit blocks 604 to be contracted, the limit blocks 604 slide to the inner sides of the opposite limit grooves A404 on the outer wall of the hexagonal nut 403, after the hexagonal nut 403 is completely limited and locked, other hexagonal nuts 403 are locked in the same mode, looseness of the hexagonal nut 403 can be prevented, causing looseness between petroleum pipe A1 and petroleum pipe B7 and causing leakage of petroleum.

Examples

As shown in fig. 1, 2 and 4, in the embodiment of the utility model, in addition to the embodiment that the rubber plate 401 is butadiene rubber, the rubber plate 401 is nitrile rubber, when the damping telescopic rod a302 and the outer spring weaken vibration generated by the connecting plate A4 and the connecting plate B5 at the joint between the petroleum pipeline A1 and the petroleum pipeline B7, the nitrile rubber plate 401 between the two ends of the outer wall of the connecting plate A4 and the connecting plate B5 and the inner wall of the opposite groove 301 generates larger friction, and when the vibration generated by the joint between the petroleum pipeline A1 and the petroleum pipeline B7 is counteracted, and the nitrile rubber plate 401 with the tear resistance characteristic generates larger friction, tear caused by larger friction force can be avoided.

Working principle: firstly, when a worker needs to connect and install two petroleum conveying pipelines, after carrying the petroleum pipeline A1 to an installation site, pushing the flange plate B3 to slide towards the outer wall flange plate A2 of the petroleum pipeline B7 in the direction of the outer wall flange plate A1 of the petroleum pipeline A1, after a plurality of bolts 402 slide between the opposite outer sides of the connecting plate A4 and the connecting plate B5, screwing the hexagonal nuts 403 on the outer sides of the bolts 402, pressing the outer walls of the petroleum pipeline B7 and the petroleum pipeline A1 to be tightly sealed with the sealing rings 101 while the hexagonal nuts 403 are tightly attached to the outer walls of the connecting plate B5 for fixing, then, pulling the limiting block 604 again by the worker to drive the damping telescopic rod B603 and the outer side springs to be unfolded, sliding the anti-loosening frame 6 to the outer sides of the hexagonal nuts 403 and driving the limiting rod 601 to slide between the opposite sliding grooves A501 and the inner sides of the limiting grooves B405, loosening the limiting block 604 to enable the damping telescopic rod B603 and the outer side springs to drive the limiting block 604 to shrink, after the limiting block 604 slides into the inner side of the limiting groove A404 opposite to the outer wall of the hexagonal nut 403, after the hexagonal nut 403 is completely limited and locked, after other hexagonal nuts 403 are locked in the same way, the hexagonal nut 403 can be prevented from rotating and loosening, finally, when a worker puts the petroleum pipeline B7 and the petroleum pipeline A1 into use, a great amount of petroleum passes through the joint between the petroleum pipeline A1 and the petroleum pipeline B7 and continuously impacts the inner wall, when vibration is generated at the joint between the petroleum pipeline A1 and the petroleum pipeline B7, the damping telescopic rod A302 and the outer spring between the connecting plate A4 and the connecting plate B5 continuously extrude and shrink and rebound again between the damping telescopic rod A302 and the outer spring between the inner wall of the groove 301, so that the joint between the petroleum pipeline A1 and the petroleum pipeline B7 is weakened while vibration generated by the connecting plate A4 and the connecting plate B5 is weakened, the butadiene rubber material rubber plates 401 between the two ends of the outer walls of the connecting plates A4 and B5 and the inner walls of the opposite grooves 301 generate larger friction with each other, and offset a part of vibration, so that the hexagon nuts 403 and bolts 402 between the connecting plates A4 and B5 cannot be rotated and loosened due to larger vibration, and petroleum leakage is caused.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Be applied to bolt anti vibration structure of petroleum pipeline axle, including petroleum pipeline A (1), sealing washer (101), ring flange A (2), ring flange B (3), recess (301), connecting plate A (4), connecting plate B (5) and petroleum pipeline B (7), petroleum pipeline A (1) outside one end is provided with petroleum pipeline B (7), it is sealed to be provided with sealing washer (101) to extrude between petroleum pipeline B (7) and the petroleum pipeline A (1) outer wall, petroleum pipeline A (1) outside sliding is provided with ring flange B (3), ring flange A (2) are fixed mounting to petroleum pipeline B (7) outer wall one end, ring flange B (3) and ring flange A (2) outer wall all imbeds and are provided with recess (301), recess (301) have a plurality of, and are the equidistance and encircle the setting, ring flange A (2) outer wall a plurality of recess (301) inboard all slides and is provided with connecting plate A (4), ring flange B (3) outer wall a plurality of recess (301) inboard all slides and is provided with connecting plate B (5), its characterized in that: limiting locking mechanisms capable of locking the hexagonal nuts to prevent loosening are arranged between the outer sides of the connecting plates A (4) and B (5), and anti-seismic mitigation mechanisms capable of preventing the hexagonal nuts of the bolts from loosening due to vibration are arranged between the inner sides of the connecting plates A (4) and B (5) and the opposite grooves (301).

2. A bolt vibration-resistant structure for a petroleum pipeline shaft as claimed in claim 1, wherein: the anti-seismic mitigation mechanism consists of a damping telescopic rod A (302), a rubber plate (401), a bolt (402) and a hexagonal nut (403);

the damping telescopic rod is characterized in that bolts (402) are connected between the outer sides of the opposite connecting plates A (4) and B (5) in a threaded mode, hexagonal nuts (403) are connected to one end of the outer wall of each bolt (402) in a threaded mode, damping telescopic rods A (302) are fixedly installed between the outer walls of the side edges of the connecting plates A (4) and B (5) and the inner walls of the opposite grooves (301), and rubber plates (401) are fixedly installed between the two ends of the outer walls of the connecting plates A (4) and B (5) and the inner walls of the opposite grooves (301).

3. A bolt vibration-resistant structure for a petroleum pipeline shaft as claimed in claim 2, wherein: the limiting locking mechanism consists of a limiting groove A (404), a limiting groove B (405), a sliding groove A (501), a locking frame (6), a limiting rod (601), a sliding groove B (602), a damping telescopic rod B (603) and a limiting block (604);

the anti-loosening device is characterized in that an anti-loosening frame (6) is slidably arranged at the other end of the outer side of the hexagonal nut (403), limiting rods (601) are fixedly arranged on the upper side and the lower side of one end of the outer wall of the anti-loosening frame (6), limiting grooves B (405) are embedded in one end of the outer wall of the connecting plate A (4), sliding grooves A (501) are embedded and run through one end of the outer wall of the connecting plate B (5), damping telescopic rods B (603) are fixedly arranged at the upper end and the lower end of the outer wall of the anti-loosening frame (6), springs are arranged on the outer side of the damping telescopic rods B (603) in a matched mode, limiting blocks (604) are fixedly arranged at the other end of the outer wall of the damping telescopic rods B (603), limiting grooves B (602) are embedded in the upper side and the lower side of one end of the outer wall of the anti-loosening frame (6), and limiting grooves A (404) are embedded in the periphery of the outer wall of the hexagonal nut (403).

4. A bolt vibration-resistant structure for a petroleum pipeline shaft as claimed in claim 2, wherein: the damping telescopic rod A (302) is provided with a plurality of damping telescopic rods, the damping telescopic rods are arranged in an equidistance encircling mode, springs are arranged on the outer sides of the damping telescopic rods A (302) in a matched mode, the opposite rubber plates (401) are arranged in an extrusion contact mode, and the rubber plates (401) are made of butadiene rubber.

5. A bolt vibration-resistant structure for a petroleum pipeline shaft as claimed in claim 3, wherein: the limiting grooves B (405) are formed in a plurality of mode and are equidistantly arranged in a surrounding mode, the sliding grooves A (501) are formed in a plurality of mode and are equidistantly arranged in a surrounding mode, and the limiting rods (601) are arranged between the corresponding limiting grooves B (405) and the inner sides of the sliding grooves A (501) in a matched sliding mode.

6. A bolt vibration-resistant structure for a petroleum pipeline shaft as claimed in claim 3, wherein: six limit grooves A (404) are formed, and limit blocks (604) are arranged between the sliding groove B (602) and the inner side of the limit groove A (404) in a fit sliding manner.