Building pipeline connecting structure

Abstract

The utility model relates to the field of pipelines, in particular to a building pipeline connecting structure which comprises a top plate assembly, two supporting ring assemblies connected to the top plate assembly, a detection assembly movably connected to the supporting ring assemblies and a pipeline assembly movably connected to the detection assembly. By improving the shape of the pipeline connecting structure, when the temperature inside the pipeline assembly changes, the corrugated pipe can replace the pipeline assembly to deform in the horizontal direction, so that the sliding rings located at the two ends of the corrugated pipe can oppositely move in the horizontal direction respectively, and therefore the pipeline assembly is prevented from being damaged. The original destructive deformation is replaced by the recoverable physical property of the corrugated pipe, and the two sliding rings are driven to return to the original positions again under the action of the reset assembly after a period of time, so that a worker can use the pipeline connecting structure again after completing maintenance, and the working efficiency is improved. And therefore, the service life of the whole pipeline connecting structure can be prolonged to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline field especially relates to a building pipeline connecting structure. BACKGROUND

[0002] With the acceleration of urbanization, more and more areas are building buildings, and the construction of buildings cannot be separated from the installation of pipelines, and the installation of pipelines is completed by the multi-section splicing of pipelines, and because of the special environment of the installation position, the requirements for the pipeline connecting structure are also relatively strict, requiring the pipeline connecting part to be corrosion-resistant, good in high-temperature resistance, and the connecting performance between the pipelines to be good, and no leakage phenomenon can occur.

[0003] And the connecting structure of the existing building pipeline is mostly a flange type clamp ring structure, which sets a flange ring on the connecting part of the connecting pipe, connects the two flange rings by bolts and welds the connecting part of the connecting pipe to realize the connection of the two building connecting pipes, but the pipeline usually flows through a certain temperature liquid, and under the influence of temperature, the two connecting pipes connected by flanges will inevitably produce expansion deformation due to temperature, resulting in cracking of the weld of the connecting part of the connecting pipe, causing the bolts connected on the flanges to deform, and thus causing the entire building pipeline to break. SUMMARY

[0004] In order to overcome the problem that the existing building pipeline will produce expansion deformation due to the temperature change of the liquid in the pipeline, resulting in the phenomenon that the building pipeline connected will break.

[0005] The technical scheme of the utility model is: a building pipeline connecting structure, comprising a top plate assembly, two supporting ring assemblies connected to the top plate assembly, a detection assembly movably connected to the supporting ring assembly, a pipeline assembly movably connected to the detection assembly, a reset assembly movably connected between the two detection assemblies, and a buffer assembly connected between the two detection assemblies, the supporting ring assembly is used to apply the gravity generated by the detection assembly, the pipeline assembly, the reset assembly and the buffer assembly to the top plate assembly, the detection assembly is used to obtain distance data between the detection assembly and the pipeline assembly.

[0006] The reset assembly comprises a sliding ring movably connected to the detection assembly and a rebound assembly connected to the sliding ring, and the rebound assembly is used to drive the sliding ring to move along the horizontal central axis of the detection assembly.

[0007] The buffer assembly comprises a bellows connected to the detection assembly, a fixed ring connected to the bellows, and an expansion assembly connected to the fixed ring, the fixed ring is used to connect the expansion assembly and the bellows, and the expansion assembly is used to drive the bellows to deform in the diameter direction.

[0008] As preferred, the rebound assembly comprises a plurality of first connecting heads connected to the sliding ring, a second spring connected to the first connecting head, a second connecting head connected to the second spring, a split ring connected to the second connecting head, and a plurality of split pieces connected to the split ring, the split ring is movably connected to the top plate assembly, the second spring is used to generate deformation to drive the sliding ring to move along the detection assembly, the plurality of split pieces are arranged in two groups, the two groups of split pieces are arranged adjacent to each other, and the two groups of split pieces are respectively connected to a split ring, and the split ring is connected to the bellows.

[0009] As preferred, the expansion assembly comprises a connecting cone block connected to the fixed ring, a mounting frame connected to the connecting cone block, a rotating shaft movably connected to the mounting frame, and a guide fan blade connected to the rotating shaft, the connecting cone block is used to drive the bellows to deform in the diameter direction, and the guide fan blade is used to guide the liquid entering the inside of the connecting cone block to be discharged from another connecting cone block.

[0010] As preferred, the detection assembly comprises a connecting sleeve movably connected to the sliding ring, a plurality of sliding grooves formed in the connecting sleeve, and a pneumatic assembly connected to the connecting sleeve, the sliding grooves are used to drive the sliding ring to move along the connecting sleeve, and the pneumatic assembly is used to transport gas to obtain distance data between the detection assembly and the pipeline assembly.

[0011] As preferred, the pneumatic assembly comprises a gas bag ring connected to the connecting sleeve, a plurality of connecting gas pipes connected to the gas bag ring, an inflation bag connected to the connecting gas pipe, a limiting ring connected to the connecting sleeve, a plurality of expansion grooves formed in the connecting sleeve, and a plurality of laser ranging receivers connected to the inflation bag, the laser ranging receivers are one-to-one corresponding to the connecting gas pipes, the connecting gas pipes are used to transport the gas in the inflation bag to the inflation bag, and the expansion grooves are used to limit the expansion range of the inflation bag on the connecting sleeve.

[0012] As preferred, the pipeline assembly comprises a pipe body movably connected to the connecting sleeve, a plurality of limiting pieces connected to the pipe body, and a laser ranging sensor connected to the limiting piece, the limiting pieces are one-to-one corresponding to the expansion grooves, the laser ranging sensor is electrically connected to the laser ranging receiver, and the laser ranging sensor and the laser ranging receiver are used to directly obtain distance data between the expansion grooves and the gas bag ring, and the limiting pieces are used to adjust the pipe body to move only along the connecting sleeve.

[0013] As preferred, the said top plate assembly comprises a top supporting assembly connected with the connecting rope, a fixed strip connected with the top supporting assembly, and an anti-separation assembly connected with the fixed strip, the top supporting assembly is used to connect the building pipe connecting structure with the using surface, and the anti-separation assembly is used to prevent the separation phenomenon between the fixed supporting ring at the lower end and the fixed supporting ring at the upper end.

[0014] As preferred, the said top plate assembly comprises a top supporting assembly connected with the connecting rope, a fixed strip connected with the top supporting assembly, and an anti-separation assembly connected with the fixed strip, the top supporting assembly is used to connect the building pipe connecting structure with the using surface, and the anti-separation assembly is used to prevent the separation phenomenon between the fixed supporting ring at the lower end and the fixed supporting ring at the upper end.

[0015] As preferred, the said top supporting assembly comprises a rotating head connected with the connecting rope, a fixed top plate movably connected with the rotating head, a connecting block connected with the fixed top plate, and a plurality of mounting holes formed in the fixed top plate, the rotating head is used to keep the connecting rope in a taut state.

[0016] As preferred, the said anti-separation assembly comprises a positioning sleeve connected with the fixed strip, a positioning rod movably connected with the positioning sleeve, a fixed frame connected with the positioning rod, and a plurality of first springs connected between the fixed frame and the positioning sleeve, the positioning rod is used to drive the positioning sleeve to move in the vertical direction, and the fixed frame is connected with the fixed supporting ring at the lower end.

[0017] The utility model discloses beneficial effect has:

[0018] 1, the utility model discloses a shape of pipe connecting structure is improved, when the inside of pipe assembly produces temperature change, the bellows can replace pipe assembly and produce deformation in horizontal direction, to cause the sliding ring at the both ends of bellows can respectively move in the horizontal direction to each other, and this is through the overcoming of bellows's recoverable physical property to replace the original destructive deformation, and after a period of time through the action of reset component, drive two sliding rings to return to the original position, so that the staff can use the pipe connecting structure again after completing maintenance, and then can improve the service life of whole pipe connecting structure to a certain extent.

[0019] 2. The utility model discloses a connecting cone block in the shape of a circular truncated cone is used to make the corrugated pipe expand in the horizontal direction, and the diameter of the corrugated pipe can be expanded synchronously, so that the internal space of the corrugated pipe can be expanded, the pressure of the liquid entering the corrugated pipe can be buffered by the expanded corrugated pipe, and the generation of water hammer can be reduced, and the liquid entering the connecting cone block can be quickly guided by the guide fan blade in the connecting cone block, so that the stability of the liquid entering the corrugated pipe can be improved to a certain extent.

[0020] 3. The utility model discloses a second spring is used to drive the sliding ring to slide on the connecting sleeve, so that the sliding ring can extrude the air bag ring connected to the connecting sleeve, and the air bag ring is deformed to inflate the air bag, and the air in the air bag ring is sent to the air bag, so that the air bag is deformed, and the air bag is expanded in the expansion groove to press the limiting sheet, so that whether the connecting pipe body is separated can be judged by detecting whether the limiting sheet is moved, and the detection device needs not to be opened continuously in the prior art, so that the use cost of the detection device can be greatly reduced, and the maintenance cost of the building pipeline can be reduced. DRAWINGS

[0021] Figure 1 The first three-dimensional structure schematic view of the building pipeline connecting structure of the utility model is shown.

[0022] Figure 2 The second three-dimensional structure schematic view of the building pipeline connecting structure of the utility model is shown.

[0023] Figure 3 The three-dimensional structure schematic view of the top plate assembly of the building pipeline connecting structure of the utility model is shown.

[0024] Figure 4 The three-dimensional structure schematic view of the supporting ring assembly of the building pipeline connecting structure of the utility model is shown.

[0025] Figure 5 The three-dimensional structure schematic view of the first detection assembly of the building pipeline connecting structure of the utility model is shown.

[0026] Figure 6 The three-dimensional structure schematic view of the reset assembly of the building pipeline connecting structure of the utility model is shown.

[0027] Figure 7 The three-dimensional structure schematic view of the buffer assembly of the building pipeline connecting structure of the utility model is shown.

[0028] Figure 8 A three-dimensional structure schematic view of a second detection assembly of the building pipeline connecting structure is shown.

[0029] Figure 9 A local enlarged schematic view of A of the building pipeline connecting structure is shown.

[0030] Figure 10 A three-dimensional structure schematic view of a buffer assembly of the building pipeline connecting structure is shown.

[0031] The figure mark is explained: 1, top plate assembly; 2, supporting ring assembly; 3, detection assembly; 4, pipeline assembly; 5, reset assembly; 6, buffer assembly; 101, fixed top plate; 102, connecting block; 103, mounting hole; 104, rotating head; 105, fixed strip; 106, positioning sleeve; 107, positioning rod; 108, first spring; 109, fixed frame; 201, connecting sheet; 202, fixed supporting ring; 203, supporting rope frame; 204, connecting rope; 205, locking bolt; 301, limiting ring; 302, connecting sleeve; 303, sliding groove; 304, air bag ring; 305, connecting air pipe; 306, inflatable bag; 307, expansion groove; 308, laser ranging receiver; 401, pipe main body; 402, limiting sheet; 403, laser ranging sensor; 501, sliding ring; 502, first connecting head; 503, second spring; 504, second connecting head; 505, split ring; 506, split sheet; 601, bellows; 602, fixed ring; 603, connecting cone block; 604, mounting frame; 605, rotating shaft; 606, guide fan blade. DETAILED DESCRIPTION

[0032] The utility model is further explained in connection with the drawings and examples.

[0033] A building pipeline connecting structure according to Figures 1-4 As shown, including top plate assembly 1, two supporting ring assemblies 2 connected on top plate assembly 1, detection assembly 3 movably connected on supporting ring assembly 2, pipeline assembly 4 movably connected on detection assembly 3, reset assembly 5 movably connected between two detection assemblies 3 and buffer assembly 6 connected between two detection assemblies 3, and supporting ring assembly 2 is used to exert the gravity generated by detection assembly 3, pipeline assembly 4, reset assembly 5 and buffer assembly 6 on top plate assembly 1, and detection assembly 3 is used to obtain the distance data between detection assembly 3 and pipeline assembly 4;

[0034] Reset assembly 5 includes sliding ring 501 movably connected on detection assembly 3, and rebound assembly connected on sliding ring 501, and the rebound assembly is used to drive sliding ring 501 to move along the horizontal central axis of detection assembly 3;

[0035] The buffer assembly 6 comprises a bellows 601 connected to the detection assembly 3, a fixing ring 602 connected to the bellows 601, and an expansion assembly connected to the fixing ring 602, the fixing ring 602 is used to connect the expansion assembly and the bellows 601, and the expansion assembly is used to drive the bellows 601 to deform in the diameter direction.

[0036] It should be noted that when the temperature inside the pipeline assembly 4 changes, the bellows 601 will deform in the horizontal direction instead of the pipeline assembly 4, so that the sliding rings 501 located at both ends of the bellows 601 can move in opposite directions along the horizontal direction, thereby replacing the original destructive deformation by overcoming the recoverable physical properties of the bellows 601, and after a period of time, the two sliding rings 501 are driven to return to the original position by the action of the reset assembly 5, so that the staff can use the pipeline connection structure again after completing the maintenance, thereby improving the service life of the entire pipeline connection structure to a certain extent.

[0037] According to Figure 6 With Figure 10 As shown, the rebound assembly comprises a plurality of first connecting heads 502 connected to the sliding ring 501, a second spring 503 connected to the first connecting head 502, a second connecting head 504 connected to the second spring 503, a split ring 505 connected to the second connecting head 504, and a plurality of split pieces 506 connected to the split ring 505, the split ring 505 is movably connected to the top plate assembly 1, the second spring 503 is used to deform to drive the sliding ring 501 to move along the detection assembly 3, the plurality of split pieces 506 are provided in two groups, the two groups of split pieces 506 are arranged adjacent to each other, the two groups of split pieces 506 are connected to one split ring 505 respectively, and the split ring 505 is connected to the bellows 601.

[0038] It should be noted that the second spring 503 is deformed to drive the sliding ring 501 to slide on the connecting sleeve 302, so that the moving sliding ring 501 can press the air bag ring 304 connected to the connecting sleeve 302, and the air bag 306 is inflated by driving the air bag ring 304 to deform.

[0039] According to Figure 6 With Figure 10 As shown, the expansion assembly comprises a connecting cone block 603 connected to the fixing ring 602, a mounting bracket 604 connected to the connecting cone block 603, a rotating shaft 605 movably connected to the mounting bracket 604, and a guide fan blade 606 connected to the rotating shaft 605, the connecting cone block 603 is used to drive the bellows 601 to deform in the diameter direction, and the guide fan blade 606 is used to guide the liquid entering the inside of the connecting cone block 603 to be discharged from the other connecting cone block 603.

[0040] It should be noted that the connecting cone block 603 in the shape of a circular truncated cone can make the corrugated pipe 601 expand in the horizontal direction, and the diameter of the corrugated pipe 601 can be expanded synchronously, so that the internal space of the corrugated pipe 601 can be expanded, the pressure applied by the liquid entering the corrugated pipe 601 can be buffered by the expanded corrugated pipe 601, so as to reduce the generation of water hammer phenomenon, and the guide fan blades 606 in the connecting cone block 603 can guide the liquid entering the connecting cone block 603 quickly, so as to improve the stability of the liquid entering the corrugated pipe 601 to a certain extent.

[0041] According to Figures 8-9 As shown in the figure, the detection assembly 3 comprises a connecting sleeve 302 movably connected to the sliding ring 501, a plurality of sliding grooves 303 opened on the connecting sleeve 302, and a pneumatic assembly connected to the connecting sleeve 302, the sliding grooves 303 are used to drive the sliding ring 501 to move along the connecting sleeve 302, and the pneumatic assembly is used to convey gas to obtain the distance data between the detection assembly 3 and the pipeline assembly 4.

[0042] It should be noted that the plurality of sliding grooves 303 are arranged to assist the movement of the sliding ring 501, so that the sliding ring 501 will not be skewed during movement, and the pneumatic assembly can be arranged to detect the distance between the detection assembly 3 and the pipeline assembly 4, and when the rated value is exceeded, an abnormal sound can be emitted to inform the staff.

[0043] According to Figures 8-9 As shown in the figure, the pneumatic assembly comprises a gas bag ring 304 connected to the connecting sleeve 302, a plurality of connecting gas pipes 305 connected to the gas bag ring 304, an inflation bag 306 connected to the connecting gas pipes 305, a limiting ring 301 connected to the connecting sleeve 302, a plurality of expansion grooves 307 opened on the connecting sleeve 302, and a plurality of laser ranging receivers 308 connected to the inflation bag 306, the laser ranging receivers 308 and the connecting gas pipes 305 are one-to-one corresponding, the connecting gas pipes 305 are used to convey the gas in the inflation bag 306 to the inflation bag 306, and the expansion grooves 307 are used to limit the expansion range of the inflation bag 306 on the connecting sleeve 302.

[0044] Need to explain, by the gas bag ring 304 inside the gas delivery to the inflatable bag 306, so by driving inflatable bag 306 produces deformation, and by driving inflatable bag 306 in the inside of the expansion tank 307 to make inflatable bag 306 can be pressed in the limiting sheet 402, by detecting the pressed limiting sheet 402 whether to produce position change to realize the phenomenon of the interface pipe body 401 whether to appear to judge, and by the detection method, can optimize the need to open the detection device in the prior art to a certain extent, so as to greatly reduce the use cost of the whole detection device, and then can reduce the maintenance cost of the building pipeline in maintenance.

[0045] According to Figures 8-9 As shown in the pipeline assembly 4 includes the movable connection in the connecting sleeve 302 on the pipe body 401, connected to the pipe body 401 on a number of limiting sheet 402 and connecting the limiting sheet 402 on the laser ranging sensor 403, limiting sheet 402 and expansion tank 307 set up one to one, laser ranging sensor 403 and laser ranging receiver 308 electrically connected, laser ranging sensor 403 and laser ranging receiver 308 for direct access to the distance between the expansion tank 307 and the gas bag ring 304 data, limiting sheet 402 for adjusting the pipe body 401 can only move along the connecting sleeve 302.

[0046] Need to explain, by electrically connected laser ranging sensor 403 and laser ranging receiver 308 to realize the detection of limiting sheet 402 whether to produce movement, but also can be through the corresponding limiting sheet 402 and expansion tank 307, so that the connecting sleeve 302 even if the movement phenomenon can only move in the horizontal direction, and then can greatly improve the maintenance convenience of the whole building pipeline.

[0047] According to Figure 4 As shown in the supporting ring assembly 2 includes two fixed supporting ring 202 movable connection in the detection assembly 3, connected to the two fixed supporting ring 202 on a number of locking bolts 205, connected to the fixed supporting ring 202 on the connecting sheet 201, connected to the connecting sheet 201 on the supporting rope frame 203 and movable connection in the supporting rope frame 203 on the connecting rope 204, connecting rope 204 and supporting rope frame 203 for the detection assembly 3, pipeline assembly 4, reset assembly 5 and the gravity generated by the buffer assembly 6 on the roof assembly 1.

[0048] It needs to be explained that through the setting of the locking bolt 205, the quick locking between the two fixed rings 202 is realized, and through the cooperation of the rope holder 203 arranged on the fixed ring 202 and the connecting rope 204, the gravity applied by the pipeline connecting structure can be borne by the rope holder 203 and the connecting rope 204, so that the use safety of the entire pipeline connecting structure can be improved to a certain extent.

[0049] According to Figure 3 As shown in the figure, the top plate assembly 1 includes a top support assembly connected to the connecting rope 204, a fixed strip 105 connected to the top support assembly, and a anti-disengagement assembly connected to the fixed strip 105, the top support assembly is used to connect the building pipeline connecting structure and the use surface, and the anti-disengagement assembly is used to prevent the fixed ring 202 at the lower end from being separated from the fixed ring 202 at the upper end.

[0050] According to Figure 3 As shown in the figure, the top support assembly includes a rotating head 104 connected to the connecting rope 204, a fixed top plate 101 movably connected to the rotating head 104, a connecting block 102 connected to the fixed top plate 101, and a plurality of mounting holes 103 opened in the fixed top plate 101, the rotating head 104 is used to keep the connecting rope 204 always in a taut state.

[0051] It needs to be explained that through the opening of the plurality of mounting holes 103 in the fixed top plate 101, the worker can quickly connect the pipeline connecting structure with the connecting surface, and at the same time, through the setting of the rotating head 104, the connecting rope 204 can be tensioned to improve the lifting stability of the connecting rope 204, and through the connecting block 102 arranged on the fixed top plate 101, there can be a certain gap between the fixed top plate 101 and the connecting surface during installation, so as to prevent the water vapor in the connecting surface from affecting the pipeline connecting structure.

[0052] According to Figure 3 As shown in the figure, the anti-disengagement assembly includes a positioning sleeve 106 connected to the fixed strip 105, a positioning rod 107 movably connected to the positioning sleeve 106, a fixed frame 109 connected to the positioning rod 107, a plurality of first springs 108 connected between the fixed frame 109 and the positioning sleeve 106, the positioning rod 107 is used to drive the positioning sleeve 106 to move in the vertical direction, and the fixed frame 109 is connected with the fixed ring 202 at the lower end.

[0053] It needs to be explained that through the movably connected positioning sleeve 106 and positioning rod 107, when the fixed ring 202 at the bottom end is disengaged, an upward force can be applied to the fixed ring 202 by the first spring 108, so that the use safety of the entire building pipeline connecting structure can be improved to a certain extent.

[0054] The embodiments of the present application are described in detail above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A building duct connection structure, characterized by: The utility model provides a kind of detection device, including top plate assembly (1), two ring holder assemblies (2) connected on top plate assembly (1), detection assembly (3) movably connected on ring holder assembly (2), pipeline assembly (4) movably connected on detection assembly (3), reset assembly (5) movably connected between two detection assemblies (3) and buffer assembly (6) connected between two detection assemblies (3), the ring holder assembly (2) is used to apply the gravity generated by detection assembly (3), pipeline assembly (4), reset assembly (5) and buffer assembly (6) on top plate assembly (1), and the detection assembly (3) is used to obtain the distance data between detection assembly (3) and pipeline assembly (4); The reset assembly (5) includes a sliding ring (501) movably connected to the detection assembly (3), a rebound assembly connected to the sliding ring (501), and the rebound assembly is used to drive the sliding ring (501) to move along the horizontal central axis of the detection assembly (3); The buffer assembly (6) includes a bellows (601) connected to the detection assembly (3), a fixed ring (602) connected to the bellows (601), and an expansion assembly connected to the fixed ring (602), the fixed ring (602) is used to connect the expansion assembly and the bellows (601), and the expansion assembly is used to drive the bellows (601) to deform in the diameter direction.

2. A building duct connection structure according to claim 1, wherein: The rebound assembly includes a plurality of first connecting heads (502) connected to the sliding ring (501), a second spring (503) connected to the first connecting head (502), a second connecting head (504) connected to the second spring (503), a split ring (505) connected to the second connecting head (504), and a plurality of split pieces (506) connected to the split ring (505), the split ring (505) is movably connected to the top plate assembly (1), the second spring (503) is used to deform to drive the sliding ring (501) to move along the detection assembly (3), and the plurality of split pieces (506) are arranged in two groups, the two groups of split pieces (506) are arranged adjacent to each other, and the two groups of split pieces (506) are respectively connected to one split ring (505), the split ring (505) is connected to the bellows (601).

3. A building duct connection structure according to claim 1, wherein: The expansion assembly includes a connecting cone block (603) connected to the fixed ring (602), a mounting bracket (604) connected to the connecting cone block (603), a rotating shaft (605) movably connected to the mounting bracket (604), and a guide fan blade (606) connected to the rotating shaft (605), the connecting cone block (603) is used to drive the bellows (601) to deform in the diameter direction, and the guide fan blade (606) is used to guide the liquid entering the inside of the connecting cone block (603) to be discharged from another connecting cone block (603).

4. A building duct connection structure according to claim 2, wherein: The detection assembly (3) comprises a connecting sleeve (302) movably connected to a sliding ring (501), a plurality of sliding grooves (303) formed in the connecting sleeve (302), and a pneumatic assembly connected to the connecting sleeve (302), the sliding grooves (303) are used to drive the sliding ring (501) to move along the connecting sleeve (302), and the pneumatic assembly is used to convey gas to obtain distance data between the detection assembly (3) and the pipeline assembly (4).

5. A building ductwork joint structure according to claim 4, wherein: The pneumatic assembly comprises an air bag ring (304) connected to the connecting sleeve (302), a plurality of connecting air pipes (305) connected to the air bag ring (304), an inflation bag (306) connected to the connecting air pipes (305), a limiting ring (301) connected to the connecting sleeve (302), a plurality of expansion grooves (307) formed in the connecting sleeve (302), and a plurality of laser ranging receivers (308) connected to the inflation bag (306), the laser ranging receivers (308) and the connecting air pipes (305) are in one-to-one correspondence, the connecting air pipes (305) are used to convey gas inside the inflation bag (306) to the inflation bag (306), and the expansion grooves (307) are used to limit the expansion range of the inflation bag (306) on the connecting sleeve (302).

6. A building ductwork joint structure according to claim 4, wherein: The pipeline assembly (4) comprises a pipe body (401) movably connected to the connecting sleeve (302), a plurality of limiting pieces (402) connected to the pipe body (401), and a laser ranging sensor (403) connected to the limiting pieces (402), the limiting pieces (402) and the expansion grooves (307) are in one-to-one correspondence, the laser ranging sensor (403) is electrically connected to the laser ranging receiver (308), and the laser ranging sensor (403) and the laser ranging receiver (308) are used to directly obtain distance data between the expansion grooves (307) and the air bag ring (304), and the limiting pieces (402) are used to adjust the pipe body (401) to move only along the connecting sleeve (302).

7. A building duct connection structure according to claim 1, wherein: The support ring assembly (2) comprises two fixed support rings (202) movably connected to the detection assembly (3), a plurality of locking bolts (205) connected to the two fixed support rings (202), a connecting piece (201) connected to the fixed support ring (202), a support rope frame (203) connected to the connecting piece (201), and a connecting rope (204) movably connected to the support rope frame (203), and the connecting rope (204) and the support rope frame (203) are used to apply gravity generated by the detection assembly (3), the pipeline assembly (4), the reset assembly (5), and the buffer assembly (6) on the top plate assembly (1).

8. A building ductwork joint structure according to claim 7, wherein: The top plate assembly (1) comprises a top support assembly connected with a connecting rope (204), a fixing strip (105) connected with the top support assembly, and an anti-separation assembly connected with the fixing strip (105), the top support assembly is used for connecting the building pipeline connecting structure with the use surface, and the anti-separation assembly is used for preventing the separation phenomenon between the fixing ring (202) at the lower end and the fixing ring (202) at the upper end.

9. A building ductwork joint structure according to claim 8, wherein: The top support assembly comprises a rotating head (104) connected with the connecting rope (204), a fixed top plate (101) movably connected with the rotating head (104), a connecting block (102) connected with the fixed top plate (101), and a plurality of mounting holes (103) formed in the fixed top plate (101), and the rotating head (104) is used for keeping the connecting rope (204) in a taut state.

10. A building ductwork joint structure according to claim 8, wherein: The anti-separation assembly comprises a positioning sleeve (106) connected with the fixing strip (105), a positioning rod (107) movably connected with the positioning sleeve (106), a fixing frame (109) connected with the positioning rod (107), and a plurality of first springs (108) connected between the fixing frame (109) and the positioning sleeve (106), the positioning rod (107) is used for driving the positioning sleeve (106) to move in the vertical direction, and the fixing frame (109) is connected with the fixing ring (202) at the lower end.

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