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CN-117072763-B - Outdoor heating power pipeline support stop device

CN117072763BCN 117072763 BCN117072763 BCN 117072763BCN-117072763-B

Abstract

The invention discloses an outdoor thermal pipeline support limiting device, which belongs to the technical field of thermal pipeline installation and comprises two pre-buried parts and two mounting supports fixed on the pre-buried supports, wherein each supporting part comprises a supporting plate and an auxiliary support inserted on the supporting plate, the supporting plate and the auxiliary support are mutually perpendicular, the auxiliary support is positioned on the outer side of the pre-buried support, a driving assembly is arranged between the auxiliary support and the pre-buried support, the pre-buried parts and the two supporting parts are connected through the driving assembly to form a unit limiting device, and at least two unit limiting devices are spliced. The invention has the advantages that the stress concentration of the pipeline in a sedimentation road section can be effectively reduced in the long-time use process, and the conditions of pipeline flange leakage and pipe fitting damage are avoided, so that the life and property safety of residents around the pipeline is effectively ensured.

Inventors

  • YAN QING
  • SONG NING
  • ZHAO MINWEI
  • YANG JIE
  • GAO HUI

Assignees

  • 中国天辰工程有限公司

Dates

Publication Date
20260512
Application Date
20230816

Claims (8)

  1. 1. The limiting device for the outdoor heating pipeline bracket is characterized by comprising an embedded part and a supporting part; The embedded part comprises an embedded bracket (1) and a mounting bracket (12) fixed on the embedded bracket (1); The two support parts are respectively provided with a support plate (11) and an auxiliary support (14) inserted on the support plate (11), wherein the support plate (11) and the auxiliary support (14) are mutually perpendicular, the auxiliary support (14) is positioned at the outer side of the embedded support (1), and a driving assembly is arranged between the auxiliary support (14) and the embedded support (1); The embedded part and the two supporting parts are connected through the driving assembly to form a unit limiting device, and at least two unit limiting devices are spliced; The driving assembly comprises a first rack (31), a second rack (33) and a gear (32), when the ground subsides, the embedded bracket drives the first rack (31) to move downwards relative to the supporting plate (11), the gear (32) is driven to rotate, the gear (32) drives the second rack (33) to move upwards, the second rack (33) drives the auxiliary bracket (14) to move upwards, the auxiliary bracket (14) drives the supporting rod (2) to move upwards, and the inner top wall of the mounting groove (21) is contacted with the top of the supporting rod (2); the force generated by the weight of the pipeline acts on the mounting bracket (12) to generate downward displacement, the inner top wall of the mounting groove (21) is contacted with the top of the supporting rod (2), the supporting rod (2) is driven to move downwards, the supporting rod (2) drives the auxiliary bracket (14) to move downwards, the auxiliary bracket (14) drives the second rack (33) to move downwards, the second rack (33) drives the gear (32) to rotate, the gear (32) drives the first rack (31) to move upwards, and the first rack (31) drives the embedded bracket (1) to move upwards.
  2. 2. The outdoor heating power pipeline bracket limiting device according to claim 1, wherein an arc-shaped piece for placing a pipeline (13) is arranged at the upper end of the mounting bracket (12), a groove is formed in the upper end of the embedded bracket (1), the whole is Y-shaped, the lower end of the mounting bracket (12) is fixed in the groove of the embedded bracket (1), and the height of the upper end of the mounting bracket (12) is larger than that of the upper end of the embedded bracket (1).
  3. 3. The outdoor heating power pipeline support limiting device according to claim 1, wherein the support plate (11) is a rectangular plate, a notch matched with the embedded support (1) is formed in the middle of one side of the rectangular plate, parallel to the direction of the pipeline (13), a through hole (15) for being inserted into the auxiliary support (14) is formed in the support plate (11), the auxiliary support (14) is a rectangular column, the bottom of the auxiliary support (14) extends out of the lower surface of the support plate (11), a clamping hole is formed in the side face of the upper end portion of the auxiliary support (14), one end of the support rod (2) is clamped in the clamping hole in the horizontal direction, a mounting groove (21) is formed in the side face, perpendicular to the direction of the pipeline (13), of the mounting support (12), the other end of the support rod (2) is clamped in the mounting groove (21), and a gap is formed between the support rod (2) and the top wall of the mounting groove (21).
  4. 4. The outdoor heat power pipeline bracket limiting device according to claim 1, wherein the gear (32) is arranged on a mounting shaft (36), two ends of the mounting shaft (36) are arranged on a supporting plate (11) between the embedded bracket (1) and the auxiliary bracket (14), the mounting shaft (36) is parallel to the pipeline (13), the gear (32) is meshed with a first rack (31) and a second rack (33) respectively, the first rack (31) is vertically fixed outside the groove wall of the groove of the embedded bracket (1), and the second rack (33) is vertically fixed on the side of the auxiliary bracket (14) opposite to the mounting bracket (12).
  5. 5. The outdoor thermal pipeline bracket limiting device according to claim 1, wherein the drive assembly, the support plate (11) and the auxiliary bracket (14) which are arranged on both sides of the embedded part and the pipeline form a unit limiting device, and at least two unit limiting devices splice edges of adjacent support plates (11) along the direction of the pipeline (13) in a welding or inserting mode.
  6. 6. An outdoor heat pipe support limiting device according to claim 1, characterized in that the auxiliary support (14) is provided with a sliding groove (4) in the vertical direction opposite to the side of the mounting support (12), a sliding block (41) is placed in the sliding groove (4), the sliding block (41) is connected with the support rod (2), and the second rack (33) is fixed on the sliding block (41) in the vertical direction.
  7. 7. The outdoor heat power pipeline bracket limiting device according to claim 1, wherein the supporting rod (2) is provided with a slot (6) at one end close to the mounting bracket (12), a plug rod (61) is fixed in the slot (6), and an extension block (22) is arranged at the end, far away from the slot (6), of the plug rod (61).
  8. 8. The outdoor heat pipe support limiting device according to claim 7, wherein a clamping block (62) is arranged at one end, far away from the inserted link (61), of the extension block (22), a clamping groove (63) is formed in the groove wall of the mounting groove (21), and the clamping block (62) and the clamping groove (63) are clamped in a matching manner.

Description

Outdoor heating power pipeline support stop device Technical Field The invention belongs to the technical field of installation of heating power pipelines, and particularly relates to an outdoor heating power pipeline bracket limiting device. Background Because the design temperature of the outdoor heating power pipeline is higher, the generated thermal displacement and stress are also larger, and a limiting bracket is usually required to be arranged to limit the expansion of the pipeline, so that the stress level of the pipeline is reduced. Particularly, after the buried steam pipeline is subjected to ground subsidence or larger additional displacement, the pipeline can leak out of the flange due to overlarge stress, and casualties are caused by high-temperature and high-pressure steam injection, so that the life and property safety of surrounding residents is threatened. The Chinese patent with the authorized bulletin number of CN113374939B discloses an outdoor heating power pipeline support limiting device, which comprises a guide support and an embedded support, wherein a working steel pipe is fixedly arranged on the upper surface of the guide support, the embedded support is embedded underground, the embedded support is fixedly connected with the guide support, the embedded support is fixedly connected with a limiting block, the embedded support is in threaded connection with the limiting block, an embedded steel plate is fixedly arranged in the embedded support, a clamping block is aligned with a guide groove on the limiting block in the actual use process, the clamping block is driven to move towards the inside of a deep groove when being pressed down, and when the clamping block descends to the horizontal plane of a chute, the clamping block enters the chute under the action of a spring, so that the position of the guide support in the vertical direction is limited. The device inevitably encounters a road section which is easy to generate sedimentation in the actual pipeline laying process, and the embedded bracket collapses in the actual use process due to softer ground texture, so that the pipeline is locally bent to cause stress concentration, and finally fatigue damage leads to safety accidents. Therefore, there is an urgent need to develop a device to solve the above problems. Disclosure of Invention The invention aims to meet the actual demands, and provides an outdoor thermodynamic pipeline support limiting device which reduces stress concentration of a pipeline in a sedimentation section. In order to achieve the above object, a first object of the present invention is to provide a limiting device for an outdoor heat distribution pipe bracket, comprising an embedded part and a supporting part, The embedded part comprises an embedded bracket and a mounting bracket fixed on the embedded bracket; The device comprises two support parts, wherein each support part comprises a support plate and an auxiliary support inserted on the support plate, the support plate is perpendicular to the auxiliary support, the auxiliary support is positioned at the outer side of the embedded support, and a driving assembly is arranged between the auxiliary support and the embedded support; The embedded part and the two supporting parts are connected through the driving assembly to form a unit limiting device, and at least two unit limiting devices are spliced. Further, the upper end of the mounting bracket is provided with an arc-shaped sheet for placing a pipeline, the upper end of the embedded bracket is provided with a groove which is Y-shaped as a whole, the lower end of the mounting bracket is fixed in the groove of the embedded bracket, and the upper end of the mounting bracket is higher than the upper end of the embedded bracket. The support plate is a rectangular plate, a notch matched with the embedded support is formed in the middle of one side of the rectangular plate parallel to the pipeline direction, a through hole for inserting the auxiliary support is formed in the support plate, the auxiliary support is a rectangular column, the bottom of the auxiliary support extends out of the lower surface of the support plate, a clamping hole is formed in the side face of the upper end portion of the auxiliary support, one end of the support rod is clamped in the clamping hole in the horizontal direction, a mounting groove is formed in the side face, perpendicular to the pipeline direction, of the mounting support, the other end of the support rod is clamped in the mounting groove, and a gap is formed between the support rod and the top wall of the mounting groove. Further, the driving assembly comprises a first rack, a second rack and a gear, the gear is coaxially arranged on a mounting shaft, two ends of the mounting shaft are arranged on a supporting plate between the embedded support and the auxiliary support, the mounting shaft is parallel to the pipeline, the gear is meshed with the first rack and the secon