Multifunctional circular pipeline fixing device
By designing a multi-function circular pipeline fixing device, the main hanging steel and hanging plates are used to achieve hanging and limiting functions, the existing fixtures have solved the problem of many parts and large space occupied, and the compact layout and Low cost fixed effect.
Patent Information
- Application Number
- CN202420889761.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing circular pipeline fixtures have many components and large lateral dimensions, which leads to a large material consumption, large space occupancy and high cost, and cannot be suitable for working conditions with small space occupancy.
A multi-function circular pipeline fixing device is designed to achieve the hanging function through the main hanging steel and the hanging plate. The two limiting plates cooperate with the lower end of the hanging plate to prevent the circular pipeline from rotating and act as a radial limit. and realizes axial free expansion of the pipe through the pin sliding.
It realizes the two-in-one function of hanging and limiting, with fewer components, compact layout and small space, effectively reducing costs and wide applicability, and is suitable for the fixation of circular pipelines of power station boilers of various grades.
Smart Images
Figure CN222502979U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a circular pipeline fixing device, in particular to a multifunctional circular pipeline fixing device which can realize hanging and limiting functions in one. Background Art
[0002] In power station boiler systems, circular pipes are widely used, such as smoke and air ducts, pulverized coal pipes, etc. Most of them are located outside the furnace body and need to be fixedly connected to the rooting beams on the frame structure columns by a device, and have hanging and limiting functions. The commonly used circular pipe fixing device currently includes two hangers fixedly connected to the rooting beam, an arc-shaped pad fixedly connected to the upper side of the circular pipe and two ear plates fixedly connected to the pad, and the two hangers are connected to the two ear plates. In addition, a limit rod is connected to the middle beam, and a limit block cooperating with the limit rod is provided on the upper top of the arc-shaped pad to prevent the circular pipe from swinging laterally. This structure not only has many components and a large lateral size, but also leads to high material consumption and large space occupation, and is costly, and cannot be applied to working conditions with a small space occupation. Summary of the invention
[0003] The purpose of the utility model is to provide a multifunctional circular pipe fixing device in view of the above-mentioned deficiencies in the prior art, which not only realizes the two-in-one functions of hanging and limiting, but also has fewer parts and a compact arrangement, can effectively reduce costs, and has wide applicability.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a multifunctional circular pipe fixing device, comprising a fixed rooting beam, a main hanging steel fixedly connected to the rooting beam, a circular pipe, and an arc-shaped plate fixedly connected to the upper side of the circular pipe; it is characterized in that: slots are provided in the middle parts of the two opposite sides of the lower end of the main hanging steel, the upper end of a hanging plate is placed in the two slots and is welded and fixedly connected to the main hanging steel, two connecting plates are fixedly connected along the axial direction of the circular pipe on the arc-shaped plate, the lateral sides of the two connecting plates are fixedly connected by limit plates, the lower end of the hanging plate is placed between the two connecting plates in the axial gap and is connected by a pin shaft, and the lower end of the hanging plate and the two limit plates are arranged with a gap in the lateral direction.
[0005] The utility model plays a hanging role through the main hanging steel and the hanging plate. The two limit plates cooperate with the lower end of the hanging plate to prevent the circular pipe from rotating with the pin shaft as the origin, and play a radial limit role of the circular pipe. The pipe can achieve free expansion within a certain range of the pipeline axis by sliding in the axial direction of the pin shaft. The utility model not only realizes the two-in-one function of hanging and limiting, but also has fewer parts, compact layout, and small occupied space, which can effectively reduce costs and has wide applicability. It can be widely used for fixing circular pipes of boilers in power stations of various grades.
[0006] As a further improvement of the utility model, the main hanging steel is fixedly connected to the rooting beam in the axial and transverse directions through the supporting steel; For the main hanging steel with a longer length, the supporting steel can increase the supporting strength to ensure that the strength and deformation of the supporting steel meet the requirements;
[0007] As a further improvement of the utility model, the cross section of the main hanging steel is a hollow square steel, and sealing plates fixedly connected to the lower end of the main hanging steel are provided on both sides of the hanging plate; the inner surface of the main hanging steel is difficult to be coated with an anti-rust layer, and the sealing plate can prevent air from entering and avoid internal corrosion;
[0008] As a further improvement of the present invention, the hanging plate, the connecting plate and the limiting plate are all rectangular plates, which facilitates processing and improves the limiting effect;
[0009] In summary, the utility model not only realizes the two-in-one functions of hanging and limiting, but also has fewer components and a compact layout, which can effectively reduce costs and has wide applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is the front view of the embodiment of the utility model.
[0011] Figure 2 for Figure 1 AA section view.
[0012] Figure 3 for Figure 1 Enlarged view of point C.
[0013] Figure 4 for Figure 2 BB cross-section enlarged view.
[0014] Figure 5 for Figure 1 Main view of the middle main hanging steel section.
[0015] Figure 6 for Figure 2 DD cross-sectional enlarged view. DETAILED DESCRIPTION
[0016] The utility model is further described below in conjunction with the accompanying drawings.
[0017] like Figures 1 to 6As shown, a multifunctional circular pipe fixing device of this embodiment comprises a fixed rooting beam 1, a main hanging steel 2 welded and fixedly connected to the rooting beam, a circular pipe 3, and an arc plate 4 welded and fixedly connected to the upper side of the circular pipe; the cross section of the main hanging steel 2 is a hollow square steel, and notches 5 are arranged in the middle of the two opposite sides of the lower end of the main hanging steel 2, and the upper end of a hanging plate 6 is placed in the two notches 5 and is welded and fixedly connected to the main hanging steel 2, and sealing plates 7 fixedly connected to the lower end of the main hanging steel 2 are arranged on both sides of the hanging plate 6. The main hanging steel 2 is axially and transversely The arc plate 4 is welded and fixedly connected to the rooting beam 1 through the supporting steel sections 8 and 9; two connecting plates 10 are welded and fixedly connected along the axial direction of the circular pipe on the arc plate 4, and the lateral sides of the two connecting plates 10 are welded and fixedly connected through the limit plates 11. The lower end of the hanging plate 6 is placed between the two connecting plates 10 in the axial gap and is connected to the two connecting plates 10 through the pin 12. The pin 12 slides through the two connecting plates 10 and the hanging plate 6, and the lower end of the hanging plate 6 and the two limit plates 11 are arranged with a gap in the lateral direction; the hanging plate 6, the connecting plate 10 and the limit plate 11 are all rectangular plates;
[0018] The utility model plays a hanging role through the main hanging steel 2 and the hanging plate 6 connected to the rooting beam 1. The two limit plates 11 cooperate with the lower end of the hanging plate 6 to prevent the circular pipe 3 from rotating with the pin shaft 12 as the origin, and play a radial limit role of the circular pipe; the axial gap between the lower end of the hanging plate 6 and the two connecting plates 10 can enable the circular pipe 3 to achieve free expansion within a certain range of the pipeline axial direction by sliding in the axial direction of the pin shaft, thereby ensuring the normal use of the circular pipe 3; the inner surface of the main hanging steel 2 is difficult to be coated with an anti-rust layer, and the sealing plate 7 can prevent air from entering to avoid internal corrosion;
[0019] The utility model not only realizes the two-in-one function of hanging and limiting, but also has fewer parts, compact arrangement, and small space occupation, which can effectively reduce costs and has wide applicability, and can be widely used for fixing circular pipes of boilers in power stations of various grades;
[0020] The above embodiments are used for illustration, but it should be understood that the above embodiments are only used for the purpose of example and description, and are not intended to limit the present invention to the scope of the described embodiments.
Claims
1. A multifunctional circular pipe fixing device, comprising a fixed rooting beam, a main hanging steel connected to the rooting beam, a circular pipe, and an arc plate connected to the upper side of the circular pipe; characterized in that: Notches are provided in the middle of the two opposite sides of the lower end of the main hanging steel, the upper end of a hanging plate is placed in the two notches and is welded and fixedly connected to the main hanging steel, two connecting plates are axially fixedly connected to the circular pipe on the arc plate, and the lateral sides of the two connecting plates are fixedly connected by limit plates, the lower end of the hanging plate is placed between the two connecting plates in the axial gap and is connected by a pin shaft, and the lower end of the hanging plate and the two limit plates are arranged with a gap in the lateral direction.
2. A multifunctional circular pipe fixing device as claimed in claim 1, characterized in that: The main hanging steel is fixedly connected to the rooting beam via the supporting steel in the axial and transverse directions.
3. A multifunctional circular pipe fixing device as claimed in claim 1 or 2, characterized in that: The cross section of the main hanging steel is a hollow square steel, and sealing plates fixedly connected to the lower end of the main hanging steel are provided on both sides of the hanging plate.
4. A multifunctional circular pipe fixing device as claimed in claim 3, characterized in that: The hanging plate, connecting plate and limiting plate are all rectangular plates.