Ventilation pipe hanging and fixing device for building construction
By designing a ventilation duct hanging fixing device with a prototypical coiling assembly and an air blowing mechanism, the multi-specification adaptability and high-strength fixation of the ventilation duct are achieved, and the insufficient fit and stability of the fixing device in the prior art is solved. The problem is that the fixing strength and stability of the ventilation duct are improved.
Patent Information
- Application Number
- CN202411572221.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2024-12-13
AI Technical Summary
On the basis of improving versatility, the existing ventilation duct hanging fixing devices are difficult to achieve profiling fixation of ventilation ducts and soft fixation of air clamps, resulting in insufficient fit and stability between the fixing device and the ventilation duct.
A ventilation duct hanging fixing device including a hanging frame, a guide shaft, a pitch adjusting member, an upper press frame, a prototypical winding assembly and an air blowing mechanism is designed to realize the imitation of the ventilation duct through prototypical entrainment and air clamping bag. The shape fixation and air clamp fixation are adjusted, the clip frame spacing and clamp arm position are used to control the fixing strength and fit of the clamp bag.
This device can be used in multi-special ventilation ducts, which improves the fixed strength and stability of the ventilation ducts, reduces the impact of vibration through air clamps, and enhances the fit and stability of the fixing device.
Smart Images
Figure CN119123182A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ventilation pipe fixing, and more specifically, to a ventilation pipe hanging and fixing device for building construction. Background Art
[0002] When installing existing ventilation ducts, it is usually necessary to set up multiple U-shaped brackets to support the ventilation ducts, and then fix the tops of the multiple U-shaped brackets on the roof of the building. However, this fixing method is easily limited by its own shape when in use and cannot be applied to different ventilation ducts.
[0003] In the prior art, a patent document with publication number CN114673831B discloses a ventilation pipe hanging and fixing device for building construction, comprising a ventilation pipe and a fixing plate, support plates are symmetrically arranged on both sides of the ventilation pipe, a bottom plate is arranged at the bottom of the ventilation pipe, and the two support plates are connected by the bottom plate; a fixing plate is arranged above each support plate, the fixing plate is slidably connected to the support plate, and the ventilation pipe is connected and fixed to the installation position through the fixing plate, and the above-mentioned fixing device is convenient for adjustment at any time according to the specifications of the ventilation pipe, thereby improving the utilization rate of the device, but the above-mentioned fixing device is not convenient for realizing the contour fixation and air clamp soft fixation of the ventilation pipe on the basis of improving the versatility of the fixing device when in use, and then it is not convenient to improve the fit between the fixing device and the ventilation pipe and the fixed stability of the ventilation pipe. Based on this, the present invention provides a ventilation pipe hanging and fixing device for building construction to solve the technical problems raised in the above-mentioned background technology. Summary of the invention
[0004] In order to overcome the shortcomings of the prior art, the present invention provides a ventilation pipe hanging and fixing device for building construction. When the present invention is used, on the one hand, it is suitable for the specification operation of ventilation pipes of various specifications. On the other hand, when the device is fixing the ventilation pipe, it can realize the contour fixation and air clamp fixation of the ventilation pipe, thereby effectively improving the fixing strength of the ventilation pipe.
[0005] To achieve the above object, the present invention provides the following technical solution: a ventilation pipe hanging and fixing device for building construction, comprising a hanging frame and also comprising: A guide shaft is rotatably connected to a hanging frame, a distance adjusting member is installed in the hanging frame, and two mirror-image fixed members are transmission-connected to the distance adjusting member; An upper pressing frame, wherein an upper pressing screw rod is rotatably connected to the hanging frame, the upper pressing screw rod is transmission-connected to the upper pressing frame, and the upper pressing frame is provided with two symmetrically arranged guide sections; The fixing component comprises a clamping frame connected to the distance adjusting member, the clamping frame is provided with a contouring retracting assembly linked to the guide shaft, the contouring retracting assembly is connected to two symmetrically arranged contouring clamping belts in a transmission manner, the two contouring clamping belts are both provided with clamping capsules, and a contouring driving assembly for driving the contouring clamping belt to move is provided inside the clamping frame; The inflation mechanism is used to control the air pressure in the clip bag.
[0006] As a preferred technical solution of the present invention, the distance adjusting member includes a distance adjusting screw rod rotatably connected between the inner surfaces of the hanging frames, and the distance adjusting screw rod is symmetrically provided with positive thread segments and negative thread segments, and the positive thread segments and negative thread segments are respectively connected to the two clamping frames in a transmission manner, and the distance adjusting screw rod is arranged in parallel with the guide shaft rod.
[0007] As a preferred technical solution of the present invention, the contour driving assembly includes a pressing platform, an upper clamping arm and a lower clamping arm, the pressing platform is slidably connected to the clamping frame, the inner wall of the pressing platform is slidably connected to a guide section at a corresponding position, a group of guide rods are installed on the back of the upper clamping arm and the lower clamping arm, the upper clamping arm is slidably connected to the pressing platform through the guide rods on its back, the lower clamping arm is slidably connected to the clamping frame through the guide rods on its back, a side clamping guide column is installed on the lower clamping arm, the side clamping guide column is slidably connected to the upper clamping arm, a side clamping screw rod is rotatably connected to the side clamping guide column and at a position corresponding to the bottom of the upper clamping arm, and the side clamping screw rod is transmission connected to the clamping frame.
[0008] As a preferred technical solution of the present invention, the contoured winding assembly includes an active reel and a driven reel rotatably connected between the inner surfaces of the clamping frame, the clamping frame is provided with a linkage module, the active reel and the driven reel are linked with the guide shaft through the linkage module, the first clamping wheel that fits the contoured clamping belt is rotatably connected between the inner surfaces of the upper clamping arm and the lower clamping arm and at positions corresponding to the two contoured clamping belts, and the second clamping wheel is also rotatably connected to positions on the upper clamping arm and at positions corresponding to the two contoured clamping belts.
[0009] As a preferred technical solution of the present invention, the linkage module includes a hollow shaft rotatably connected to the clamping frame, the interior of the hollow shaft is fixed with a hollow groove with openings at both ends and slidably connected to the guide shaft, the cross-sections of the guide shaft and the hollow groove are both regular polygons, a transmission shaft is rotatably connected to the clamping frame, bevel gears are installed on the transmission shaft and the hollow shaft, the two bevel gears are meshed with each other, the transmission shaft is connected to the driving reel through a first chain belt, and the driving reel is connected to the driven reel through a second chain belt.
[0010] As a preferred technical solution of the present invention, the contoured clamping belt is a steel belt, the clamping bag is made of silicone, an air cavity is fixedly opened inside the clamping bag, and a cavity connected to the air cavity is fixedly opened inside the active reel.
[0011] As a preferred technical solution of the present invention, the inflation mechanism includes an air box installed on the top of the hanging frame, the inner wall of the air box is slidably connected with an inflation seat, a transmission screw is rotatably connected between the inner surfaces of the air box, the transmission screw is slidably connected to the inflation seat, an inflation cavity is fixedly arranged between the inflation seat and the air box, the inflation cavity is connected with a three-way connecting pipe, a pressure gauge is installed on the three-way connecting pipe, the other two ends of the three-way connecting pipe are respectively rotatably connected with the cavities in the two fixed components, a one-way air inlet valve connected to the inflation cavity is installed on the air box, and a normal pressure hole is provided on the air box corresponding to the rear side of the inflation seat.
[0012] As a preferred technical solution of the present invention, a plurality of regularly distributed threaded hangers are installed on the hanger frame.
[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. When the present invention is used, on the one hand, it is suitable for the specification operation of ventilation pipes of various specifications. On the other hand, when the device fixes the ventilation pipe, it can realize the contour fixation and air clamp fixation of the ventilation pipe, thereby effectively improving the fixing strength of the ventilation pipe.
[0014] 2. The present invention can quickly and synchronously adjust the relative distances between the upper clamp arm and the lower clamp arm and the clamp frame by setting the side clamp screw rod. By synchronously adjusting the positions of the upper clamp arm and the lower clamp arm, the fixing depth and fixing area of the upper clamp arm and the lower clamp arm to the ventilation pipe can be adjusted. By adjusting the fixing depth and fixing area of the ventilation pipe by the upper clamp arm and the lower clamp arm, the fixing stability and fixing strength of the ventilation pipe can be effectively adjusted. When fixing, the air blowing mechanism sufficiently blows pressure to the inside of the three-way connecting pipe. When the inside of the three-way connecting pipe is sufficiently blown, the fixing strength of the clamp bag to the ventilation pipe and the fit between the clamp bag and the ventilation pipe can be effectively controlled.
[0015] 3. The present invention can quickly adjust the layout position of the press plate on the clamp frame by setting the press plate and the guide section. By changing the layout position of the press plate on the clamp frame, the relative distance between the upper clamp arm and the lower clamp arm can be quickly adjusted. By adjusting the relative distance between the upper clamp arm and the lower clamp arm, the device is suitable for fixing ventilation pipes of various specifications.
[0016] 4. When the present invention is installed, a plurality of threaded hangers are connected to the installation platform in the building, and the installation height and horizontal state of the hanger frame are limited. By setting the positive thread segment and the negative thread segment, the two clamping frames can be synchronously approached or moved away from each other. By the approach or distance of the two clamping frames, the distance between the two clamping frames is quickly changed. By changing the distance between the two clamping frames, the two clamping frames can effectively fix the ventilation pipe from both sides of the ventilation pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of a ventilation pipe hanging and fixing device for building construction according to the present invention; Figure 2 For the present invention Figure 1 A schematic diagram of the local enlarged structure at point A in the middle; Figure 3 For the present invention Figure 1 A schematic diagram of the structure from another perspective; Figure 4 For the present invention Figure 3 A schematic diagram of the local enlarged structure at B in the middle; Figure 5 It is a schematic diagram of the structure of the clamp capsule and the pressing platform of the present invention; Figure 6 It is a structural schematic diagram of the clamping frame and the pressing platform of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the air box of the present invention; Figure 8 It is a schematic structural diagram of the second clamping wheel and the guide rod of the present invention.
[0018] In the figure: 1. hanging frame; 2. guide shaft; 3. distance adjusting member; 4. upper pressure frame; 5. upper pressure screw; 6. guide section; 7. clamping frame; 8. contour clamping belt; 9. clamping bag; 10. pressing table; 11. upper clamping arm; 12. lower clamping arm; 13. guide rod; 14. side clamping guide column; 15. side clamping screw; 16. active reel; 17. driven reel; 18. first clamping wheel; 19. second clamping wheel; 20. normal pressure hole; 21. hollow shaft; 22. transmission shaft; 23. air box; 24. air inflation seat; 25. transmission screw; 26. air inflation chamber; 27. three-way connecting pipe; 28. threaded hanging rod; 29. one-way air inlet valve; 30. normal pressure hole; 31. barometer. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] like Figures 1 to 8 As shown, the present invention provides a ventilation pipe hanging and fixing device for building construction, comprising a hanging frame 1, on which a plurality of regularly distributed threaded hanging rods 28 are installed; During installation, a plurality of threaded suspension rods 28 are connected to the installation platform in the building and define the installation height and horizontal state of the suspension frame 1; Also includes: The guide shaft 2 is rotatably connected to the hanging frame 1, and a distance adjusting member 3 is installed in the hanging frame 1. The distance adjusting member 3 is transmission-connected to two fixed parts arranged in mirror image; The upper pressing frame 4 is rotatably connected to the hanging frame 1 with an upper pressing screw rod 5, which is transmission-connected to the upper pressing frame 4. The upper pressing frame 4 is provided with two symmetrically arranged guide sections 6; The fixing part includes a clamping frame 7 connected to the distance adjusting member 3; The distance adjusting member 3 includes a distance adjusting screw rod rotatably connected to the inner surface of the hanging frame 1, and a positive thread segment and a negative thread segment are symmetrically arranged on the distance adjusting screw rod, and the positive thread segment and the negative thread segment are respectively connected to the two clamping frames 7 in a transmission manner, and the distance adjusting screw rod is arranged in parallel with the guide shaft rod 2; By setting the positive thread segment and the negative thread segment, the two clamping frames 7 can be synchronously moved closer to each other or moved away from each other, and the distance between the two clamping frames 7 can be quickly changed by the approach or distance of the two clamping frames 7; By changing the distance between the two clamp frames 7, the two clamp frames 7 can effectively fix the ventilation pipe from both sides of the ventilation pipe; The clamp frame 7 is provided with a contoured winding assembly linked with the guide shaft 2, and the contoured winding assembly is transmission-connected with two symmetrically arranged contoured clamping belts 8, which are steel belts; By setting the steel material of the profile clamping belt 8, the structural strength of the profile clamping belt 8 is effectively improved; The two contour clamping belts 8 are both provided with clamping capsules 9; The clip capsule 9 is made of silica gel, and an air cavity is fixedly opened inside the clip capsule 9; A profiling drive assembly for driving the profiling clamping belt 8 to move is installed inside the clamping frame 7; The profiling drive assembly includes a press platform 10, an upper clamping arm 11 and a lower clamping arm 12. The press platform 10 is slidably connected to the clamping frame 7, and the inner wall of the press platform 10 is slidably connected to a guide section 6 at a corresponding position. By setting the pressing platform 10 and the guide section 6, the layout position of the pressing platform 10 on the clamping frame 7 can be quickly adjusted; By changing the layout position of the pressing platform 10 on the clamping frame 7, the relative distance between the upper clamping arm 11 and the lower clamping arm 12 can be quickly adjusted. By adjusting the relative distance between the upper clamping arm 11 and the lower clamping arm 12, the device is suitable for fixing ventilation pipes of various specifications. A set of guide rods 13 are installed on the back of the upper clamping arm 11 and the lower clamping arm 12; The upper clamp arm 11 is slidably connected to the press table 10 via a guide rod 13 on the back thereof, and the lower clamp arm 12 is slidably connected to the clamp frame 7 via a guide rod 13 on the back thereof; A side clamp guide post 14 is installed on the lower clamp arm 12, and the side clamp guide post 14 is slidably connected to the upper clamp arm 11. A side clamp screw rod 15 is rotatably connected to the side clamp guide post 14 and corresponds to the position below the upper clamp arm 11. The side clamp screw rod 15 is transmission-connected to the clamp frame 7. By setting the side clamping screw rod 15, the relative distance between the upper clamping arm 11 and the lower clamping arm 12 and the clamping frame 7 can be quickly and synchronously adjusted, and by synchronously adjusting the positions of the upper clamping arm 11 and the lower clamping arm 12, the fixing depth and fixing area of the upper clamping arm 11 and the lower clamping arm 12 to the ventilation pipe can be adjusted; The fixing depth and fixing area of the ventilation pipe are adjusted by the upper clamping arm 11 and the lower clamping arm 12, thereby effectively adjusting the fixing stability and fixing strength of the ventilation pipe; The contoured reel assembly includes a driving reel 16 and a driven reel 17 which are rotatably connected between the inner surface of the clamp frame 7. The clamp frame 7 is provided with a linkage module. The driving reel 16 and the driven reel 17 are linked with the guide shaft 2 through the linkage module. The linkage module includes a hollow shaft 21 rotatably connected to the clamp frame 7. The hollow shaft 21 is fixedly provided with a hollow groove with two ends opened and slidably connected to the guide shaft 2. The cross sections of the guide shaft 2 and the hollow groove are both regular polygons. By setting the regular polygonal cross-section of the guide shaft 2 and the hollow groove, the guide shaft 2 can continuously and effectively transmit the hollow shaft 21 during the process of changing the position of the clamp frame 7; The clamping frame 7 is rotatably connected with a transmission shaft 22, and bevel gears are installed on the transmission shaft 22 and the hollow shaft 21. The two bevel gears are meshed with each other. The transmission shaft 22 is connected to the active reel 16 through a first chain belt, and the active reel 16 is connected to the driven reel 17 through a second chain belt. A first clamping wheel 18 that fits the contour clamping belt 8 is rotatably connected between the inner surfaces of the upper clamping arm 11 and the lower clamping arm 12 and at positions corresponding to the two contour clamping belts 8. A second clamping wheel 19 is also rotatably connected to positions on the upper clamping arm 11 and at positions corresponding to the two contour clamping belts 8. The inflation mechanism is used to control the air pressure in the clip bag 9.
[0021] A cavity communicating with the air cavity is fixedly provided inside the active reel 16 .
[0022] The air-inflating mechanism comprises an air box 23 installed on the top of the hanging frame 1, an air-inflating seat 24 is slidably connected to the inner wall of the air box 23, a transmission screw 25 is rotatably connected between the inner surfaces of the air box 23, the transmission screw 25 is slidably connected to the air-inflating seat 24, an air-inflating cavity 26 is fixedly arranged between the air-inflating seat 24 and the air box 23, a three-way connecting pipe 27 is connected to the air-inflating cavity 26, an air pressure gauge 31 is installed on the three-way connecting pipe 27, the other two ends of the three-way connecting pipe 27 are respectively rotatably connected to the cavities in the two fixed components, a one-way air inlet valve 29 connected to the air-inflating cavity 26 is installed on the air box 23, and a normal pressure hole 20 is provided on the air box 23 and corresponding to the rear side of the air-inflating seat 24; By setting the pressure gauge 31, the air pressure strength in the three-way connecting pipe 27 and the clip bag 9 can be monitored in real time; By adjusting the air pressure strength in the three-way connecting pipe 27 and the clip bag 9, the fixing strength of the clip bag 9 on the ventilation pipe and the fit between the clip bag 9 and the ventilation pipe can be effectively controlled; At the same time, the air clamp setting of the clamp bag 9 can effectively reduce the influence of the vibration of the ventilation pipe on the fixing strength of the fixing device and effectively maintain the fixing tightness of the fixing device.
[0023] The working principle and use process of the present invention: During installation, a plurality of threaded hangers 28 are connected to the installation platform in the building, and the installation height and horizontal state of the hanger frame 1 are limited. By setting the positive thread segment and the negative thread segment, the two clamp frames 7 can be synchronously approached or synchronously moved away from each other. By the approach or distance of the two clamp frames 7, the distance between the two clamp frames 7 is quickly changed. By changing the distance between the two clamp frames 7, the two clamp frames 7 can effectively fix the ventilation pipe from both sides of the ventilation pipe. By setting the pressing platform 10 and the guide segment 6, the layout position of the pressing platform 10 on the clamp frame 7 can be quickly adjusted. By changing the layout position of the pressing platform 10 on the clamp frame 7, the relative distance between the upper clamp arm 11 and the lower clamp arm 12 can be quickly adjusted. The relative spacing between them can be adjusted, so that the device is suitable for fixing ventilation pipes of various specifications. Through the setting of the side clamping screw rod 15, the relative spacing between the upper clamping arm 11 and the lower clamping arm 12 and the clamping frame 7 can be quickly and synchronously adjusted. Through the synchronous adjustment of the positions of the upper clamping arm 11 and the lower clamping arm 12, the fixing depth and fixing area of the ventilation pipe by the upper clamping arm 11 and the lower clamping arm 12 can be adjusted. Through the adjustment of the fixing depth and fixing area of the ventilation pipe by the upper clamping arm 11 and the lower clamping arm 12, the fixing stability and fixing strength of the ventilation pipe can be effectively adjusted. When fixing, the blowing mechanism sufficiently blows pressure to the inside of the three-way connecting pipe 27. When the inside of the three-way connecting pipe 27 is sufficiently blown, the fixing strength of the clamp bag 9 to the ventilation pipe and the fit between the clamp bag 9 and the ventilation pipe can be effectively controlled.
[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A ventilation pipe hanging and fixing device for building construction, comprising a hanging frame (1), characterized in that: Also includes: The guide shaft (2) is rotatably connected to the hanging frame (1), and a distance adjusting member (3) is installed in the hanging frame (1). The distance adjusting member (3) is transmission-connected to two fixed members arranged in mirror images; An upper pressing frame (4), the hanging frame (1) is rotatably connected to an upper pressing screw rod (5), the upper pressing screw rod (5) is drivingly connected to the upper pressing frame (4), and the upper pressing frame (4) is provided with two symmetrically arranged guide sections (6); The fixing component comprises a clamping frame (7) connected to the distance adjusting member (3), the clamping frame (7) being provided with a contouring retracting assembly linked to the guide shaft (2), the contouring retracting assembly being drivingly connected to two symmetrically arranged contouring clamping belts (8), the two contouring clamping belts (8) being provided with clamping capsules (9), and a contouring driving assembly for driving the contouring clamping belts (8) to move being provided inside the clamping frame (7); The air blowing mechanism is used to control the air pressure in the clip bag (9).
2. A ventilation pipe hanging and fixing device for building construction according to claim 1, characterized in that: The distance adjusting member (3) comprises a distance adjusting screw rod rotatably connected to the inner surface of the hanging frame (1), the distance adjusting screw rod being symmetrically provided with a positive thread segment and a negative thread segment, the positive thread segment and the negative thread segment being respectively transmission-connected to two clamping frames (7), and the distance adjusting screw rod being arranged in parallel with the guide shaft rod (2).
3. The ventilation pipe hanging and fixing device for building construction according to claim 1 is characterized in that: The profiling drive assembly comprises a press platform (10), an upper clamping arm (11) and a lower clamping arm (12); the press platform (10) is slidably connected to the clamping frame (7); the inner wall of the press platform (10) is slidably connected to a guide section (6) at a corresponding position; a group of guide rods (13) are installed on the back of the upper clamping arm (11) and the lower clamping arm (12); the upper clamping arm (11) is slidably connected to the press platform (10) via the guide rods (13) on the back of the upper clamping arm (11); the lower clamping arm (12) is slidably connected to the clamping frame (7) via the guide rods (13) on the back of the lower clamping arm (12); a side clamping guide column (14) is installed on the lower clamping arm (12); the side clamping guide column (14) is slidably connected to the upper clamping arm (11); a side clamping screw rod (15) is rotatably connected to the side clamping guide column (14) and corresponding to the position below the upper clamping arm (11); the side clamping screw rod (15) is transmission-connected to the clamping frame (7).
4. The ventilation pipe hanging and fixing device for building construction according to claim 1 is characterized in that: The contoured winding assembly comprises an active reel (16) and a driven reel (17) rotatably connected between the inner surfaces of the clamping frame (7); a linkage module is provided on the clamping frame (7); the active reel (16) and the driven reel (17) are linked with the guide shaft (2) via the linkage module; a first clamping wheel (18) which is in contact with the contoured clamping belt (8) is rotatably connected between the inner surfaces of the upper clamping arm (11) and the lower clamping arm (12) and at positions corresponding to the two contoured clamping belts (8); and a second clamping wheel (19) is rotatably connected to positions on the upper clamping arm (11) and at positions corresponding to the two contoured clamping belts (8).
5. The ventilation pipe hanging and fixing device for building construction according to claim 1 is characterized in that: The linkage module comprises a hollow shaft (21) rotatably connected to the clamping frame (7); a hollow groove with two ends opened and slidably connected to the guide shaft (2) is fixedly provided inside the hollow shaft (21); the cross-sections of the guide shaft (2) and the hollow groove are both regular polygons; a transmission shaft (22) is rotatably connected to the clamping frame (7); bevel gears are mounted on the transmission shaft (22) and the hollow shaft (21); the two bevel gears are meshed with each other; the transmission shaft (22) is transmission-connected to the active reel (16) via a first chain belt; and the active reel (16) is transmission-connected to the driven reel (17) via a second chain belt.
6. The ventilation pipe hanging and fixing device for building construction according to claim 1 is characterized in that: The contoured clamping belt (8) is a steel belt, the clamping bag (9) is made of silicone material, an air cavity is fixedly opened inside the clamping bag (9), and a cavity connected to the air cavity is fixedly opened inside the active reel (16).
7. The ventilation pipe hanging and fixing device for building construction according to claim 1 is characterized in that: The inflation mechanism comprises an air box (23) mounted on the top of the hanging frame (1), the inner wall of the air box (23) being slidably connected to an inflation seat (24), a transmission screw (25) being rotatably connected between the inner surfaces of the air box (23), the transmission screw (25) being slidably connected to the inflation seat (24), an inflation cavity (26) being fixedly arranged between the inflation seat (24) and the air box (23), the inflation cavity (26) being connected to a three-way connecting pipe (27), a pressure gauge (31) being mounted on the three-way connecting pipe (27), the other two ends of the three-way connecting pipe (27) being rotatably connected to cavities in two fixed components respectively, a one-way air inlet valve (29) being mounted on the air box (23) and being connected to the inflation cavity (26), and a normal pressure hole (20) being provided on the air box (23) and corresponding to the rear side of the inflation seat (24).
8. The ventilation pipe hanging and fixing device for building construction according to claim 1 is characterized in that: A plurality of regularly distributed threaded suspension rods (28) are installed on the suspension frame (1).