Mounting structure of PP air pipe

Abstract

The utility model provides a PP air pipe installation structure which comprises a top plate, an expansion bolt and a hanging bracket, the expansion bolt is installed on the top plate, and the bottom of the top plate is fixedly connected with the hanging bracket. A large distance is reserved between the lifting rods, then the air pipe is specifically positioned through the position-adjustable side plates and the positioning pins, the situation that the air pipe cannot be accurately clamped when the mounting positions of the lifting rods are not accurate can be prevented, the square PP air pipe is inserted into the space formed by the supporting plate and the lifting rods, the side plate structure is mounted, and the connecting columns of the side plates are inserted into the welding positions. The positioning pin is inserted into the positioning hole in the hanging rod, the end of the soft positioning pin abuts against the side face of the square PP air pipe, at the moment, the connecting column and the welding position are welded, the position of the side plate is locked, PP air pipes of different widths can be positioned, using is more flexible, the same installation structure can be compatible with air pipes of various specifications, and the material cost and the construction complexity are greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of PP air duct installation, in particular to an installation structure of a PP air duct. Background Art

[0002] PP air duct, full name polypropylene air duct, is a ventilation duct made of polypropylene (PP) material.

[0003] Its acid and alkali resistance is strong: PP air ducts can withstand the erosion of a variety of chemical substances and have good tolerance to acidic or alkaline gases, which makes it stable for use in a variety of industrial environments.

[0004] It has high strength: Compared with traditional fiberglass, PVC and other materials, PP ducts have higher strength and rigidity, can withstand greater pressure and external loads, and are not easily deformed or damaged.

[0005] When installing PP air ducts, it is often necessary to install two single hangers at fixed points on the roof using expansion bolts, and then assemble the two hangers with a support plate. The square PP air duct is directly supported by the support plate, and then the two sides of the air duct are positioned side by side by the two hangers. However, in the existing technology, due to the influence of workers' construction techniques or measurement errors, it is easy to cause the hangers to be installed in an inaccurate position on the roof, resulting in the inability to accurately position the air duct. Therefore, a PP air duct installation structure is proposed to solve the above problem. Utility Model Content

[0006] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0007] Therefore, one purpose of the present invention is to provide a PP air duct installation structure to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0008] In order to achieve the above-mentioned object, an embodiment of one aspect of the present invention provides a PP air duct installation structure, comprising a top plate, expansion bolts, and a hanger, wherein the top plate is installed with expansion bolts, the bottom of the top plate is fixedly connected to the hanger, and the bottom ends of the hangers are connected together;

[0009] The bottom end of the hanger is fixedly connected to a joint, and the bottom of the joint is fixedly connected to a suspension rod;

[0010] The bottom end of the boom is fixedly connected to a screw rod, and a support plate is sleeved on the screw rod from bottom to top;

[0011] The screw rod is threadedly connected with a fastener, and the fastener tightens the support plate;

[0012] The boom is provided with a plurality of positioning holes and a plurality of welding positions;

[0013] A positioning pin is inserted into the positioning hole, and the length of the positioning pin protruding from the inner side of the suspension rod is adjustable;

[0014] One end of the positioning pin is fixedly connected to the side plate, and both ends of the side surface of the side plate are fixedly connected to the connecting posts, and the connecting posts are first inserted into the welding position and then welded.

[0015] Preferably, from any of the above solutions, the top plate is mounted on the roof by expansion bolts, and the hangers are located on both sides of the expansion bolts.

[0016] Adopting the above technical solution: the installation structure of the PP air duct is specially used for hoisting and installing square PP air ducts. Specifically, the bottom of the PP air duct is supported by a support plate, and both sides of the PP air duct abut against positioning pins, and are positioned by a plurality of positioning pins.

[0017] Preferably, from any of the above solutions, the top plate is welded to the hanger, and the hanger is a hollow structure.

[0018] Adopting the above technical solution: there are several groups of linear arrays of the installation structure of the PP air duct, and a single group of installation structure consists of two top plates, two expansion bolts, two groups of hangers, two joints, two hangers, two screws, a single support plate, two fasteners, two side plates, four connecting columns and several positioning pins.

[0019] Preferably, any of the above solutions is that the joint is welded to the hanger rod, and the fastener is a nut with a washer.

[0020] Preferably, from any of the above solutions, the positioning hole passes through the suspension rod transversely, and the end of the positioning pin is embedded in the side plate.

[0021] When installing this structure, the top plate, hanger, hanger and screw are integrated and installed on the roof through expansion bolts. After measuring the distance at another point, another set of hangers are installed. A support plate is put on the screw at the bottom end of the hanger, and then the fasteners are tightened on the screw to tighten the support plate. The square PP air duct is inserted into the space formed by the support plate and the hanger, and the side panel structure is installed. The connecting column of the side panel is inserted into the welding position, and the locating pin is inserted into the locating hole on the hanger. The end of the soft locating pin abuts the side of the square PP air duct. At this time, the connecting column is welded to the welding position to lock the position of the side panel. In this way, the bottom of the square PP air duct abuts the support plate, and the two sides of the square PP air duct are positioned by soft rubber locating pins. The square PP air ducts are connected by flanges or welding.

[0022] The core structure of this device, using the above technical solution, consists of: hangers, bolts, support plates, fasteners, positioning holes, positioning pins, side panels, and connecting plates. The core advantage of this device is that it allows for a larger spacing between the hangers, and then uses the adjustable side panels and positioning pins to precisely position the air duct, preventing the air duct from being accurately positioned when the hangers are not installed accurately.

[0023] The square PP duct is inserted into the space formed by the support plate and the hanger, and the side panel structure is installed. The connecting column of the side panel is inserted into the welding position, and the positioning pin is inserted into the positioning hole on the hanger. The end of the soft positioning pin abuts the side of the square PP duct. At this time, the connecting column is welded to the welding position and the position of the side panel is locked. In this way, PP ducts of different widths can be positioned, which is more flexible to use. The same installation structure can be compatible with ducts of various specifications, greatly reducing material costs and construction complexity.

[0024] At the same time, the positioning pins are made of rubber, and multiple positioning pins are used to position the air duct. When the air duct is running, the rubber positioning pins can absorb and disperse vibration energy, effectively reducing the noise and wear caused by vibration of the air duct, and extending the service life of the air duct and the entire system.

[0025] Preferably, any of the above solutions is that the positioning pin is made of rubber, and the distance between the side plate and the suspension rod is adjustable.

[0026] The utility model utilizes a coordinated arrangement of hangers, bolts, support plates, fasteners, positioning holes, positioning pins, side plates, and connecting plates to provide a larger spacing between the hangers. The adjustable side plates and positioning pins are then used to precisely position the air duct, preventing the air duct from being misaligned when the hanger is installed. A square PP air duct is inserted into the space formed by the support plates and hangers, and the side plate structure is installed. The side plate connecting posts are inserted into the welding positions, and the positioning pins are inserted into the positioning holes on the hangers. The ends of the flexible positioning pins abut the sides of the square PP air duct, welding the connecting posts to the welding positions and locking the side plates in place. This allows for positioning of PP air ducts of varying widths, providing greater flexibility. The same installation structure can accommodate a variety of air duct specifications, significantly reducing material costs and construction complexity. In this PP air duct installation structure, the positioning pins for side positioning the PP air duct are made of rubber. Multiple positioning pins work together to position the air duct. During operation, the rubber positioning pins absorb and disperse vibration energy, effectively reducing noise and wear caused by vibration in the air duct, thereby extending the service life of the air duct and the entire system. It can cushion the vibration when the air duct shakes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0028] Figure 1It is a structural diagram of the utility model;

[0029] Figure 2 This is a schematic diagram of the structure of a single-group installation structure in the present utility model;

[0030] Figure 3 This is a schematic diagram of the structure of the positioning hole of the utility model;

[0031] Figure 4 It is a structural diagram when the utility model is implemented. DETAILED DESCRIPTION

[0032] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0034] like Figure 1-4 As shown, the installation structure of the PP air duct of the present invention includes a top plate 1, expansion bolts 2, and a hanger 3. The expansion bolts 2 are installed on the top plate 1, and the bottom of the top plate 1 is fixedly connected to the hanger 3. The bottom ends of the hangers 3 are connected together;

[0035] The bottom end of the hanger 3 is fixedly connected to a joint 4, and the bottom of the joint 4 is fixedly connected to a hanger rod 5;

[0036] The bottom end of the boom 5 is fixedly connected to a screw rod 6, and a support plate 7 is sleeved on the screw rod 6 from bottom to top;

[0037] The screw rod 6 is threadedly connected with a fastener 8, which tightens the support plate 7;

[0038] The boom 5 is provided with a plurality of positioning holes 9 and a plurality of welding positions 10;

[0039] A positioning pin 11 is inserted into the positioning hole 9, and the length of the positioning pin 11 protruding from the inner side of the suspension rod 5 is adjustable;

[0040] One end of the positioning pin 11 is fixedly connected to the side plate 12 , and both ends of the side surface of the side plate 12 are fixedly connected to the connecting posts 13 . The connecting posts 13 are first inserted into the welding position 10 and then welded.

[0041] Example 1: A roof panel 1 is mounted on the roof using expansion bolts 2, with hangers 3 located on either side of the expansion bolts 2. This PP duct mounting structure is specifically designed for hoisting and installing square PP ducts. Specifically, the bottom of the PP duct is supported by a support plate 7, and the two sides of the PP duct abut against positioning pins 11, which cooperate with multiple positioning pins 11 to maintain positioning. The roof panel 1 is welded to the hangers 3, which are hollow structures.

[0042] Example 2: There are several groups of linear arrays of the installation structure of the PP air duct. A single group of installation structures consists of two top plates 1, two expansion bolts 2, two groups of hangers 3, two joints 4, two hangers 5, two screws 6, a single support plate 7, two fasteners 8, two side plates 12, four connecting columns 13 and several positioning pins 11. The joint 4 is welded to the hanger 5, and the fastener 8 is specifically a nut with a washer. The positioning hole 9 passes through the hanger 5 horizontally, and the end of the positioning pin 11 is embedded in the side plate 12. The material of the positioning pin 11 is rubber, and the distance between the side plate 12 and the hanger 5 is adjustable. The positioning pin 11 is made of rubber, and multiple positioning pins 11 cooperate to position the air duct. When the air duct is running, the rubber positioning pin can absorb and disperse vibration energy, effectively reduce the noise and wear of the air duct caused by vibration, and extend the service life of the air duct and the entire system. When the air duct shakes, the vibration can be buffered.

[0043] The working principle of this utility model is as follows:

[0044] When installing this structure, the top plate 1, hanger 3, hanger 5, and screw 6 are integrated and installed on the roof through expansion bolts 2. After measuring the distance at another point, another set of hangers 5 are installed. The support plate 7 is put on the screw 6 at the bottom end of the hanger 5, and then the fastener 8 is tightened on the screw 6 to tighten the support plate 7. The square PP air duct is inserted into the space formed by the support plate 7 and the hanger 5, and the side panel 12 structure is installed. The connecting column of the side panel 12 is inserted into the welding position 10, and the locating pin 11 is inserted into the locating hole 9 on the hanger 5. The end of the soft locating pin 11 abuts the side of the square PP air duct. At this time, the connecting column 13 is welded to the welding position 10 to lock the position of the side panel 12. In this way, the bottom of the square PP air duct abuts the support plate 7, and the two sides of the square PP air duct are positioned by the soft rubber locating pins 11. The square PP air ducts are connected by flanges or welding.

[0045] In summary, the installation structure of the PP air duct provided by the present invention reserves a larger spacing between the hanger 5 through the coordinated arrangement of the hanger 5, bolts 6, support plate 7, fasteners 8, positioning holes 9, positioning pins 11, side plates 12, and connecting plates 13, and then uses the adjustable side plates 12 and positioning pins 11 to specifically position the air duct, which can prevent the situation where the air duct cannot be accurately positioned when the installation position of the hanger 5 is not accurate; the square PP air duct is inserted into the space formed by the support plate 7 and the hanger 5, and the side plate 12 structure is installed. The connecting column of the side plate 12 is plugged into the welding position 10, and the positioning pin 11 is plugged into the positioning hole 9 on the hanger 5. The end of the soft positioning pin 11 abuts the side surface of the square PP air duct. At this time, the connecting column 13 is welded to the welding position 10 to lock the position of the side plate 12. In this way, PP air ducts of different widths can be positioned, which is more flexible to use. The same set of installation structures can be compatible with air ducts of various specifications, greatly reducing material cost and construction complexity.

[0046] The installation structure of the PP air duct is such that the positioning pins 11 for side positioning of the PP air duct are made of rubber. Multiple positioning pins 11 cooperate to position the air duct, which can cushion the vibration when the air duct shakes. When the air duct is running, the rubber positioning pins can absorb and disperse the vibration energy, effectively reducing the noise and wear caused by vibration of the air duct, thereby extending the service life of the air duct and the entire system.

Claims

1. A PP air duct installation structure, characterized in that: It includes a top plate, expansion bolts, and a hanger. The expansion bolts are installed on the top plate, the bottom of the top plate is fixedly connected to the hanger, and the bottom ends of the hangers are connected together; The bottom end of the hanger is fixedly connected to a joint, and the bottom of the joint is fixedly connected to a suspension rod; The bottom end of the boom is fixedly connected to a screw rod, and a support plate is sleeved on the screw rod from bottom to top; The screw rod is threadedly connected with a fastener, and the fastener tightens the support plate; The boom is provided with a plurality of positioning holes and a plurality of welding positions; A positioning pin is inserted into the positioning hole, and the length of the positioning pin protruding from the inner side of the suspension rod is adjustable; One end of the positioning pin is fixedly connected to the side plate, and both ends of the side surface of the side plate are fixedly connected to the connecting posts, and the connecting posts are first inserted into the welding position and then welded.

2. The PP air duct installation structure according to claim 1, characterized in that: The top plate is installed on the roof through expansion bolts, and the hangers are located on both sides of the expansion bolts.

3. The PP air duct installation structure according to claim 2, characterized in that: The top plate is welded to the hanger, and the hanger is a hollow structure.

4. The PP air duct installation structure according to claim 3, characterized in that: The joint is welded to the suspension rod, and the fastener is specifically a nut with a washer.

5. The PP air duct installation structure according to claim 4, characterized in that: The positioning hole passes through the suspension rod transversely, and the end of the positioning pin is embedded in the side plate.

6. The PP air duct installation structure according to claim 5, characterized in that: The positioning pin is made of rubber, and the distance between the side plate and the suspension rod is adjustable.

Images