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CN-121977123-A - Low-temperature liquid filling hose and use method thereof

CN121977123ACN 121977123 ACN121977123 ACN 121977123ACN-121977123-A

Abstract

The invention discloses a low-temperature liquid filling hose and a use method thereof, and relates to the technical field of filling hoses, wherein the low-temperature liquid filling hose comprises a hose main body, an assembling unit, a joint structure, a positioning structure and a sealing structure, the joint structure is connected with one end of the hose main body through the assembling unit, and the joint structure is used for connecting one end of the hose main body with a discharge port of a transport tank car; the positioning structure is used for positioning and assembling the joint structure, and the sealing structure is used for sealing connection of the joint structure. According to the invention, the claw clamping blocks on the hose connector and the tank wagon connector are aligned with the positions of the assembly grooves, one end of the hose connector is inserted into the tank wagon connector in a sliding manner, and then the hose connector is rotated, so that the inner wall of the bent part of the claw clamping block is extruded with the inclined surface of the convex block, the hose connector and the tank wagon connector are extruded and fixed, the limiting block is pushed to be inserted into the assembly grooves in a sliding manner, the hose connector is limited and fixed, the connection stability of the hose connector and the tank wagon connector is improved, and the hose connector is convenient to detach.

Inventors

  • LI XING
  • Peng Luyin
  • Lv Xuecheng
  • ZHANG ZHAOPENG
  • CHU ZITONG
  • GUO XU
  • TIAN FUKAI
  • YU JIE
  • Jia Guanpeng
  • LIU JILONG
  • CHENG HAO
  • ZHANG HONGMING

Assignees

  • 淄博齐翔腾达化工股份有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (10)

  1. 1. A low-temperature liquid filling hose, characterized by comprising the following steps: A hose body (1); The assembly units (2) are arranged at two ends of the hose main body (1); The connector structure (3) is connected with one end of the hose main body (1) through the assembling unit (2), and the connector structure (3) is used for connecting one end of the hose main body (1) with a discharge hole of the transport tank car; the positioning structure (4) is arranged on the joint structure (3), and the positioning structure (4) is used for positioning and assembling the joint structure (3); the sealing structure (5), the sealing structure (5) is arranged in the joint structure (3), and the sealing structure (5) is used for sealing connection of the joint structure (3).
  2. 2. A cryogenic liquid filling hose according to claim 1, wherein the joint structure (3) comprises: a hose joint (31), wherein the hose joint (31) is arranged at one end of the hose main body (1); a tank wagon joint (32), the tank wagon joint (32) being arranged on one side of the hose joint (31); the mounting flange (33), the said mounting flange (33) is fixedly connected to one end of the tank wagon joint (32), the said mounting flange (33) is used for fixedly connecting the tank wagon joint (32) with transport tank wagon; The claw clamping block (34), the claw clamping block (34) is fixedly connected to one end of the hose joint (31) opposite to the tank wagon joint (32), and the claw clamping block (34) is arranged in a claw shape; and the assembly groove (35) is formed in one end, opposite to the hose joint (31) and the tank wagon joint (32), of the assembly groove (35), and the position of the assembly groove (35) corresponds to that of the claw clamping block (34).
  3. 3. A cryogenic liquid filling hose according to claim 2, wherein the joint structure (3) further comprises: The lug (36) is fixedly connected to one end of the hose joint (31) and one end of the tank wagon joint (32), and one end of the lug (36) is arranged in an inclined plane; The mounting groove (37) is arranged on the hose joint (31), and the mounting groove (37) corresponds to the position of the assembling groove (35) on the tank wagon joint (32); The limiting block (38) is arranged in the mounting groove (37) in a sliding and penetrating mode, and the limiting block (38) and the assembly groove (35) on the tank wagon joint (32) are arranged in a sliding and penetrating mode; the elastic block (39), one end of the elastic block (39) is fixedly connected to the inner wall of the mounting groove (37), and the other end of the elastic block (39) is fixedly connected with one end of the limiting block (38).
  4. 4. A cryogenic liquid filling hose according to claim 3, wherein the positioning structure (4) comprises: the movable grooves (41) are formed in the inner wall of one end of the tank wagon joint (32), and the movable grooves (41) are arranged in an annular array at equal intervals; the positioning block (42) is arranged in the tank wagon joint (32), and one end of the positioning block (42) is attached to the outer wall of one end of the hose joint (31); the mounting shaft (43) is fixedly connected to the inner wall of the movable groove (41), and the mounting shaft (43) and the other end of the positioning block (42) are rotatably inserted; the torsion spring (44), the torsion spring (44) activity cup joints in the one end of installation axle (43), torsion spring (44) set up in movable groove (41).
  5. 5. A cryogenic liquid filling hose according to claim 4, wherein the positioning structure (4) further comprises: The fixed block (45), the fixed block (45) is fixedly connected to one end of the positioning block (42); The fixing ring (46), the fixing ring (46) is fixedly connected to the hose joint (31), and the outer wall of the fixing ring (46) is attached to the fixing block (45); the clamping groove (47) is formed in the outer wall of the fixed ring (46), the clamping groove (47) is formed in an annular groove, and the clamping groove (47) and one end of the positioning block (42) are arranged in a sliding penetrating mode; The through grooves (48) are formed in the fixing ring (46), the through grooves (48) are formed in the annular array at equal intervals, and the positions of the through grooves (48) correspond to the positions of the positioning blocks (42).
  6. 6. A cryogenic liquid filling hose according to claim 5, wherein the sealing structure (5) comprises: the mounting ring (51) is fixedly connected to the inner wall of the tank wagon joint (32), and the inner wall of the mounting ring (51) is arranged in a horn shape; The connecting port (52) is fixedly connected to one end of the mounting ring (51), the connecting port (52) is arranged in a horn shape, and one end of the connecting port (52) is arranged in a sliding penetrating way with the inner cavity of the hose joint (31); A protrusion (53), wherein the protrusion (53) is arranged on the connection port (52), and the protrusion (53) is arranged in an arc shape; The sealing ring (54) is fixedly connected to the outer wall of the connecting port (52), and the sealing ring (54) is attached to the inner wall of one end of the hose joint (31); the extrusion ring (55), the one end fixed connection of extrusion ring (55) fixed connection in hose nipple (31), extrusion ring (55) are corresponding with protruding (53) position.
  7. 7. The low-temperature liquid filling hose according to claim 6, wherein one end of the torsion spring (44) is fixedly connected to the outer wall of the positioning block (42), the other end of the torsion spring (44) is fixedly connected to the inner wall of the movable groove (41), the mounting ring (51) corresponds to one end of the hose connector (31), the connecting port (52) is made of an elastic material, and the protrusion (53) is annularly and circumferentially arranged on the connecting port (52).
  8. 8. A cryogenic liquid filling hose according to claim 1, characterized in that the hose body (1) comprises: a rubber hose (6), wherein the rubber hose (6) is arranged inside the hose main body (1); the braiding layer (7) is sleeved on the outer wall of the rubber hose (6), and the braiding layer (7) is formed by braiding double-layer stainless steel wires; the inner vacuum heat insulation layer (8), the inner vacuum heat insulation layer (8) is arranged outside the braiding layer (7), and the inner vacuum heat insulation layer (8) is arranged in a double-layer stainless steel corrugated pipe; the middle-layer heat-preservation buffer layer (9), the middle-layer heat-preservation buffer layer (9) is filled inside and outside the inner-layer vacuum heat-insulation layer (8); the outer layer protection sleeve (10), the outer layer protection sleeve (10) is sleeved outside the middle layer heat preservation buffer layer (9), and the outer layer protection sleeve (10) is made of wear-resistant polyurethane materials.
  9. 9. A cryogenic liquid filling hose according to claim 1, characterized in that the fitting unit (2) comprises: The pipe clamp (21), the pipe clamp (21) is fixedly connected to two ends of the hose main body (1), and one end of the pipe clamp (21) is fixedly connected with the hose joint (31); and the connecting flange (22) is fixedly connected to one end of the other pipe hoop (21).
  10. 10. A method of using a cryogenic liquid filled hose according to any one of claims 1-9, comprising the steps of: Step S1, by moving a hose joint (31) at one end of a hose main body (1) to a tank wagon joint (32), rotating the hose joint (31) so that the hose joint (31) and a claw clamping block (34) on the tank wagon joint (32) are aligned with the position of an assembling groove (35); Step S2, along with the movement of the hose joint (31), enabling the hose joint (31) and the claw clamping blocks (34) on the tank wagon joint (32) to pass through corresponding assembly grooves (35), enabling one end of the hose joint (31) to be inserted into the tank wagon joint (32) in a sliding mode, enabling one end of the hose joint (31) to extrude the positioning block (42) to rotate, and enabling the positioning block (42) to rotate into the movable groove (41); Step S3, an extrusion ring (55) at one end of the hose connector (31) extrudes the connecting port (52) so that the connecting port (52) deforms towards the inner side, one end of the connecting port (52) is inserted into an inner cavity at one end of the hose connector (31) in a sliding manner, and one end of the connecting port (52) extrudes the inner wall of the hose connector (31) by utilizing the elastic action of the connecting port (52); S4, rotating the hose joint (31) to drive the claw clamping blocks (34) to rotate together, so that the inner wall of the claw clamping blocks extrudes the bumps (36) on the hose joint (31) and the tank wagon joint (32) and extrudes and fixes the hose joint (31) and the tank wagon joint (32); S5, along with the rotation of the hose connector (31), one end of the hose connector (31) moves in the tank wagon connector (32), one end of the tank wagon connector (32) is pushed by extrusion to the limiting block (38) so that the through groove (48) moves to the positioning block (42), the bottom of the positioning block (42) is inserted into the clamping groove (47) in a sliding way, the fixing block (45) is attached to the outer wall of the fixing ring (46), and the hose connector (31) and the tank wagon connector (32) are limited in the horizontal direction; And S6, when the limiting block (38) on the hose joint (31) rotates to be aligned with the assembly groove (35) on the tank wagon joint (32), the limiting block (38) is pushed to slide into the assembly groove (35) by utilizing the elastic action of the elastic block (39), and the hose joint (31) and the tank wagon joint (32) are assembled and connected.

Description

Low-temperature liquid filling hose and use method thereof Technical Field The invention relates to the technical field of filling hoses, in particular to a low-temperature liquid filling hose and a using method thereof. Background The filling hose is mainly used for conveying flammable and explosive, poisonous and harmful or high-pressure fluid, has extremely high pressure resistance and tensile strength, prevents cracking caused by overlarge pressure in the filling process, has good corrosion resistance, can resist chemical attack of filled media, and selects a hose with matched applicable temperature ranges according to the temperature of the media and the environmental temperature. When filling the hose and using, carry out fixed connection with hose one end and transport vehicle's liquid outlet through bolt and ring flange cooperation mode for fluid in the vehicle is carried by filling the hose, needs to use multiunit bolt to assemble, and complex operation is unfavorable for dismantling fast, and the vibration in the vehicle driving process can transmit threaded connection position, and long-term vibration can lead to the screw thread not hard up, and the temperature change of filling the medium can lead to hose and joint expend with heat and contract with cold simultaneously, and threaded connection's clearance can change thereupon, influences connection stability. Disclosure of Invention The invention aims to provide a low-temperature liquid filling hose and a using method thereof, so as to solve the problems in the background technology. In order to achieve the above purpose, the invention provides a technical scheme that a low-temperature liquid filling hose comprises: A hose body; the assembly units are arranged at two ends of the hose body; The connector structure is connected with one end of the hose body through the assembly unit and is used for connecting one end of the hose body with a discharge port of the transport tank car; The positioning structure is arranged on the joint structure and is used for positioning and assembling the joint structure; The sealing structure is arranged in the joint structure and is used for sealing connection of the joint structure. Preferably, the joint structure includes: The hose connector is arranged at one end of the hose main body; the tank wagon joint is arranged at one side of the hose joint; the mounting flange is fixedly connected to one end of the tank wagon joint and is used for fixedly connecting the tank wagon joint with the transport tank wagon; The claw clamping block is fixedly connected to one end, opposite to the hose joint and the tank wagon joint, of the claw clamping block, and the claw clamping block is arranged in a claw shape; the assembly groove is arranged at one end opposite to the hose connector and the tank wagon connector, and the position of the assembly groove corresponds to that of the claw clamping block. Preferably, the joint structure further comprises: The convex block is fixedly connected to one ends of the hose joint and the tank wagon joint, and one end of the convex block is arranged in an inclined plane; the mounting groove is arranged on the hose connector and corresponds to the position of the assembly groove on the tank wagon connector; the limiting block is arranged in the mounting groove in a sliding and inserting mode, and the limiting block and an assembly groove on the tank wagon joint are arranged in a sliding and inserting mode; the elastic block, the one end fixed connection of elastic block is on the mounting groove inner wall, the other end and the stopper one end fixed connection of elastic block. Preferably, the positioning structure includes: The movable grooves are arranged on the inner wall of one end of the tank wagon joint and are arranged at equal intervals in an annular array; the positioning block is arranged in the tank wagon joint, and one end of the positioning block is attached to the outer wall of one end of the hose joint; the installation shaft is fixedly connected to the inner wall of the movable groove, and the installation shaft and the other end of the positioning block are arranged in a rotary penetrating manner; The torsion spring is movably sleeved at one end of the installation shaft and is arranged in the movable groove. Preferably, the positioning structure further comprises: The fixed block is fixedly connected to one end of the positioning block; the fixing ring is fixedly connected to the hose connector, and the outer wall of the fixing ring is attached to the fixing block; the clamping groove is arranged on the outer wall of the fixed ring, is arranged in an annular groove, and is arranged in a sliding penetration way with one end of the positioning block; The through grooves are arranged on the fixing ring and are arranged at equal intervals in an annular array, and the positions of the through grooves correspond to the positions of the positioning blocks. Preferably, the se