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CN-224201339-U - Heat supply pipeline connecting device

CN224201339UCN 224201339 UCN224201339 UCN 224201339UCN-224201339-U

Abstract

The utility model discloses a heat supply pipeline connecting device, which relates to the technical field of heat supply pipeline connecting devices and comprises a corrugated compensator consisting of a compensator main body, a connecting flange and a fixed sleeve seat, a pull rod assembly and a positioning assembly, wherein the pull rod assembly comprises a threaded pull rod, an end nut, a fastening nut and an adjusting nut, and the positioning assembly is used for keeping the adjusting positions of a plurality of adjusting nuts consistent. The adjusting positions of the adjusting nuts can be kept consistent through the positioning assembly, stable guarantee is provided for subsequent use of the ripple compensator, meanwhile, the adjusting positions of the adjusting nuts can be rapidly judged through the graduated scale on the guide rod, so that the adjusting efficiency of the adjusting nuts can be effectively improved, and in the subsequent maintenance and inspection process, inspection personnel can conveniently and rapidly judge the shrinkage condition of the ripple compensator, so that the operation condition of a heating pipeline can be better mastered.

Inventors

  • MA BIN
  • YU YONGXIN
  • WANG CHONGLIN
  • FAN JU
  • DONG HUIYU

Assignees

  • 新疆华电高昌热电有限公司

Dates

Publication Date
20260505
Application Date
20250612

Claims (6)

  1. 1. The utility model provides a heating pipeline connecting device, includes ripple compensator (1) and pull rod subassembly (2) by compensator main part (101), flange (102), fixed sleeve seat (103) constitution, flange (102) symmetry are fixed in compensator main part (101) both ends, fixed sleeve seat (103) annular is fixed in flange (102) outside, its characterized in that, pull rod subassembly (2) are connected in the middle of two fixed sleeve seats (103) of alignment on two flange (102), pull rod subassembly (2) include screw thread pull rod (201), tip nut (202), fastening nut (203), adjusting nut (204); The threaded pull rod (201) penetrates through two horizontally aligned fixed sleeve seats (103), end nuts (202) are symmetrically connected to the outer sides of two ends of the threaded pull rod (201) in a threaded mode and are attached to the fixed sleeve seats (103), fastening nuts (203) and adjusting nuts (204) are distributed between the two fixed sleeve seats (103) and are in threaded connection with the threaded pull rod (201), the fastening nuts (203) and the adjusting nuts (204) are distributed to attach to the two fixed sleeve seats (103) and are used for achieving connection and fixation of the threaded pull rod (201) and the fixed sleeve seats (103), and the adjusting nuts (204) are used for adjusting the shrinkage position away from the fixed sleeve seats (103) to determine the compensator main body (101); The outer sides of the plurality of threaded pull rods (201) of the plurality of groups of pull rod assemblies (2) are also provided with positioning assemblies (3), and the positioning assemblies (3) are used for keeping the positions regulated by the plurality of regulating nuts (204) consistent.
  2. 2. A heating pipe connection according to claim 1, characterized in that the positioning assembly (3) comprises a mobile ring (301), a positioning socket (302); The movable rings (301) are distributed between the two connecting flanges (102) and sleeved on the outer side of the compensator main body (101), the number and the positions of the positioning sleeve seats (302) are in one-to-one correspondence with the number and the positions of the threaded pull rods (201) and are fixed on the outer side of the movable rings (301), and the positioning sleeve seats (302) are sleeved on the outer side of the threaded pull rods (201); The positioning sleeve seat (302) is distributed between the fastening screw cap (203) and the adjusting screw cap (204), and the outer side of the threaded pull rod (201) is positioned between the fastening screw cap (203) and the positioning sleeve seat (302) and is also in threaded connection with the positioning screw cap (205); The movable ring (301) drives the plurality of positioning sleeve seats (302) to move along the outer walls of the plurality of threaded pull rods (201) for positioning the adjusting positions of the plurality of adjusting nuts (204), and the positioning nuts (205) and the adjusting nuts (204) are attached to two ends of the positioning sleeve seats (302) for realizing the position fixing of the positioning sleeve seats (302).
  3. 3. A heating pipe connection device according to claim 2, characterized in that a fixing seat (104) is fixed on the outer side of the connecting flange (102) where the adjusting nut (204) is close to, and a guide rod (105) extending to the outer side of the compensator main body (101) is fixed on the fixing seat (104); a sliding sleeve seat (303) is further fixed on the outer side of the movable ring (301), and the sliding sleeve seat (303) is in sliding sleeve connection with the outer side of the guide rod (105); the inner diameter of the through hole on the sliding sleeve seat (303) is matched with the outer diameter of the guide rod (105), and the inner diameter of the through hole on the positioning sleeve seat (302) is larger than the outer diameter of the threaded pull rod (201).
  4. 4. A heating pipe connection device according to claim 3, wherein the fixing base (104) and the guide rod (105) are provided with a plurality of groups along the circumferential direction, the fixing base (104) and the fixing sleeve base (103) are distributed along the circumferential dislocation, and the number of the sliding sleeve bases (303) is matched with the number of the guide rod (105).
  5. 5. A heating pipe connection according to claim 3, characterized in that the guide rod (105) is provided with a scale on the outside, and the position of the sliding sleeve seat (303) corresponding to the scale position is used for marking the distance between the adjusted adjusting nut (204) and the connecting flange (102).
  6. 6. A heating pipe connection according to claim 2, characterized in that the inner diameter of the moving ring (301) is larger than the outer diameter of the compensator body (101).

Description

Heat supply pipeline connecting device Technical Field The utility model relates to the technical field of heat supply pipeline connecting devices, in particular to a heat supply pipeline connecting device. Background The heat supply pipeline is a pipeline for conveying steam or hot water, the core task of the heat supply pipeline is to transfer heat energy produced by a heat source to a user, and the heat supply pipeline compensator is a key component connected between the two heat supply pipelines and used for relieving the problem of expansion caused by temperature change and contraction caused by heat expansion caused by heat contraction caused by heat change of the pipelines, so that the pipeline system can safely and stably run. When the heat supply pipeline compensator is used, the pull rod and the screw cap are used for fixing the position of the corrugated compensator and ensuring that the pretightening force of the corrugated compensator is uniformly distributed, and uneven stress of each pull rod is possibly caused by inconsistent positions of the screw cap, so that the following problems are caused: local stress concentration, namely, partial pull rod bears excessive load and can cause deformation or fracture; the offset of the compensator causes that the corrugated pipe cannot be uniformly deformed when the corrugated pipe stretches and contracts, and the tightness and the service life are affected. Based on this, in order to achieve that the nut adjustment position of the heating pipe compensator is kept consistent, a heating pipe connection device is provided. Disclosure of utility model The utility model aims to solve the problems in the background and provide a heat supply pipeline connecting device. The utility model provides a heat supply pipeline connecting device which comprises a corrugated compensator and a pull rod assembly, wherein the corrugated compensator consists of a compensator main body, a connecting flange and fixed sleeve seats, the connecting flange is symmetrically fixed at two ends of the compensator main body, the fixed sleeve seats are annularly fixed at the outer sides of the connecting flange, the pull rod assembly is connected between two fixed sleeve seats aligned on the two connecting flanges, and the pull rod assembly comprises a threaded pull rod, an end nut, a fastening nut and an adjusting nut; The end nuts are symmetrically connected with the outer sides of two ends of the threaded pull rod in a threaded mode and are attached to the fixed sleeve seats, the fastening nuts and the adjusting nuts are distributed between the two fixed sleeve seats and are in threaded connection with the threaded pull rod, the threaded pull rod is attached to the two fixed sleeve seats through the fastening nuts and the adjusting nuts, the threaded pull rod is connected and fixed with the fixed sleeve seats, and the adjusting nuts are used for adjusting the shrinkage position away from the fixed sleeve seats through the adjusting nuts and determining the compensator main body; The outer sides of the plurality of threaded pull rods of the plurality of groups of pull rod assemblies are also provided with positioning assemblies, and the positioning assemblies are used for keeping the positions regulated by the plurality of adjusting nuts consistent. As a still further proposal of the utility model, the positioning component comprises a movable ring and a positioning sleeve seat; The movable rings are distributed between the two connecting flanges and sleeved on the outer side of the compensator main body, the number and the positions of the positioning sleeve seats are in one-to-one correspondence with the number and the positions of the threaded pull rods and are fixed on the outer side of the movable rings, and the positioning sleeve seats are sleeved on the outer side of the threaded pull rods; the positioning sleeve seat is distributed between the fastening screw cap and the adjusting screw cap, and the outer side of the threaded pull rod is positioned between the fastening screw cap and the positioning sleeve seat and is also in threaded connection with the positioning screw cap; The movable ring drives the plurality of positioning sleeve seats to move along the outer walls of the plurality of threaded pull rods, and is used for positioning the adjusting positions of the plurality of adjusting nuts, and the positioning nuts and the adjusting nuts are attached to two ends of the positioning sleeve seats to fix the positions of the positioning sleeve seats. As a still further proposal of the utility model, a fixing seat is also fixed at the outer side of the connecting flange which is close to the adjusting nut, and a guide rod which extends to the outer side of the compensator main body is fixed at the fixing seat; a sliding sleeve seat is also fixed on the outer side of the movable ring, and the sliding sleeve seat is sleeved on the outer side of the guide rod in a sliding manne