CN219367014U

CN219367014U - Nested type variable spring support and hanger

Info

Publication number: CN219367014U
Application number: CN202320387020.3U
Authority: CN
Inventors: 谭延伟; 杨德生
Original assignee: Shandong Jianeng Technology Co ltd
Current assignee: Shandong Jianeng Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-18
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a nested variable spring support and hanger, and belongs to the technical field of support and hanger. The device solves the defects of high installation height and limited displacement of the traditional variable spring support and hanger in the prior art. The main structure of the spring-loaded support comprises a bottom plate, an indicating plate, a top plate and a load pipe, wherein the bottom plate is connected with the top plate through a spring cylinder body, a hole is formed in the spring cylinder body, the indicating plate is arranged in the spring cylinder body, the two ends of the indicating plate extend out of the hole, the load pipe passes through the top plate and then is connected with the indicating plate through threads, and a first spring supporting mechanism and a second spring supporting mechanism are arranged in the spring cylinder body between the indicating plate and the bottom plate. The utility model is mainly used for pipelines.

Description

Nested type variable spring support and hanger

Technical Field

The utility model belongs to the technical field of supporting and hanging frames, and particularly relates to a nested variable spring supporting and hanging frame.

Background

The variable spring support hanger is widely applied to industries such as petrochemical industry, chemical industry, electric power and the like for supporting pipelines or equipment, and the NB/T47039-2013 standard adopted by the domestic variable spring support hanger at present has some defects and limiting conditions in practical application and cannot completely meet the use requirements of the site.

The prior variable spring support and hanger has the following defects in installation: the first installation height is high, and the first installation height cannot be used in some occasions with low installation heights; the second displacement is limited, and the displacement is not usable more than 60 mm.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a nested variable spring support hanger, which can ensure that springs nested together synchronously move to maintain the supporting force on a pipeline when the pipeline supported by the support hanger moves due to expansion caused by heat and contraction caused by cold, so that the pipeline stress is reduced, and the service life of the pipeline is prolonged.

In order to achieve the above purpose, the present utility model is realized by adopting the following technical scheme:

the utility model provides a changeable spring of nested formula support gallows, includes bottom plate, pilot plate, roof and loading pipe, the bottom plate passes through the spring barrel and is connected with the roof, is equipped with the hole on the spring barrel, and the pilot plate is installed in the spring barrel and the hole is stretched out at both ends, and the loading pipe passes through threaded connection with the pilot plate after the roof, installs first spring supporting mechanism and second spring supporting mechanism in the spring barrel that is located between pilot plate and the bottom plate.

Preferably, a third spring supporting mechanism is further installed in the spring cylinder.

Preferably, a positioning lug plate is arranged on the outer side of the spring cylinder body, and the rod penetrates through the indicating plate and is connected with the positioning lug plate through a positioning nut.

Preferably, the first spring supporting mechanism comprises an inner spring and a spring guide tube, the spring guide tube is connected with the indicating plate in a welded mode, the spring guide tube is arranged in the inner spring, and the upper end of the inner spring is in contact with the indicating plate.

Preferably, the second spring supporting mechanism comprises a middle spring and an inner nested plate, the inner nested plate is installed in the middle spring, the inner spring is installed in the inner nested plate, the lower end of the inner spring is placed on the first bottom plate of the inner nested plate, and the upper end of the middle spring is in contact with the first top plate of the inner nested plate.

Preferably, the third spring supporting mechanism comprises an outer layer spring and a nested plate, the nested plate is installed in the outer layer spring, the middle spring is installed in the nested plate, the lower end of the middle spring is placed on a second bottom plate of the nested plate, and the upper end of the outer layer spring is in contact with a second top plate of the nested plate.

Preferably, a loading plate is mounted at one end of the loading pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the outer diameter of the cylinder body of the nested plate is slightly smaller than the inner diameter of the outer layer spring, the outer diameter of the cylinder body of the inner nested plate is slightly smaller than the inner diameter of the middle spring, and the outer diameter of the cylinder body of the spring guide pipe is slightly smaller than the inner diameter of the inner layer spring, so that the spring is guided when the spring moves;

2. the outer layer springs, the middle springs and the inner layer springs have the same spring stiffness and the same height, all springs are compressed simultaneously after being stressed by the loading plate, the weight of the pipeline is balanced by the supporting force of the springs, the stress of the pipeline is reduced, and the service life of the pipeline is prolonged;

3. the utility model has simple structure, convenient installation and low installation height (the space in the height direction is reduced by nesting a plurality of springs), and is suitable for occasions with small installation height direction;

4. the displacement range is large (60-300 mm), the constant force spring can be partially replaced, and the device is particularly suitable for occasions with severe working environment and easy corrosion failure of the rotation part of the constant force spring support and hanger;

in summary, when the pipeline supported by the support hanger moves due to expansion caused by heat and contraction caused by cold, the springs nested together move synchronously to maintain the supporting force on the pipeline, so that the pipeline stress is reduced, the service life of the pipeline is prolonged, and the application range of the pipeline is wider.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an internal cross-sectional view of the present utility model.

In the figure: 1. a bottom plate; 2. a spring cylinder; 3. an outer layer spring; 4. a nested plate; 5. a middle spring; 6. an inner layer nested plate; 7. an inner layer spring; 8. an indication board; 9. a spring guide tube; 10. a top plate; 11. a load pipe; 12. a load plate; 13. a rod; 14. positioning a nut; 15. positioning the ear plate; 16. a hole; 17. a first bottom plate; 18. a first top plate; 19. a second base plate; 20. and a top plate II.

Detailed Description

The utility model will now be further illustrated by means of specific examples in connection with the accompanying drawings.

Example 1:

as shown in fig. 1-3, a nested variable spring support and hanger comprises a bottom plate 1, an indicator plate 8, a top plate 10 and a load tube 11, wherein the bottom plate 1 is welded with the top plate 10 through a spring cylinder 2, a hole 16 is formed in the spring cylinder 2, the indicator plate 8 is arranged in the spring cylinder 2, two ends of the indicator plate extend out of the hole 16, the load tube 11 passes through the top plate 10 and then is connected with the indicator plate 8 through threads, and a first spring supporting mechanism and a second spring supporting mechanism are arranged in the spring cylinder 2 between the indicator plate 8 and the bottom plate 1.

Example 2:

a positioning lug plate 15 is arranged on the outer side of the spring cylinder 2, and a rod 13 penetrates through the indication plate 8 and is connected with the positioning lug plate 15 through a positioning nut 14.

The first spring supporting mechanism comprises an inner spring 7 and a spring guide tube 9, the spring guide tube 9 is connected with the indicator plate 8 in a welded mode, the spring guide tube 9 is installed in the inner spring 7, and the upper end of the inner spring 7 is in contact with the indicator plate 8.

The second spring supporting mechanism comprises a middle spring 5 and an inner layer nested plate 6, the inner layer nested plate 6 is installed in the middle spring 5, the inner layer spring 7 is installed in the inner layer nested plate 6, the lower end of the inner layer spring 7 is placed on a first bottom plate 17 of the inner layer nested plate 6, and the upper end of the middle spring 5 is in contact with a first top plate 18 of the inner layer nested plate 6. The outer diameter of the cylinder of the nested plate 4 is slightly smaller than the inner diameter of the outer spring 3, the outer diameter of the cylinder of the inner nested plate 6 is slightly smaller than the inner diameter of the middle spring 5, and the outer diameter of the cylinder of the spring guide pipe 9 is slightly smaller than the inner diameter of the inner spring 7, which respectively plays a role in guiding the spring when the spring moves.

A loading plate 12 is mounted at one end of the loading pipe 11. The other parts are the same as in example 1.

Example 3:

a nested variable spring support and hanger is characterized in that a third spring supporting mechanism is further arranged in the spring cylinder body 2. The third spring supporting mechanism comprises an outer spring 3 and a nesting plate 4, the nesting plate 4 is arranged in the outer spring 3, a middle spring 5 is arranged in the nesting plate 4, the lower end of the middle spring 5 is placed on a second bottom plate 19 of the nesting plate 4, the upper end of the outer spring 3 is in contact with a second top plate 20 of the nesting plate 4, the lower end of the outer spring 3 is placed on the bottom plate 1, and the outer spring 3 is arranged between the spring cylinder 2 and the nesting plate 4. The outer layer springs 3, the middle springs 5 and the inner layer springs 7 have the same spring stiffness and the same height, all springs are compressed simultaneously after being stressed by the loading plate 12, the weight of the pipeline is balanced by the supporting force of the springs, the stress of the pipeline is reduced, and the service life of the pipeline is prolonged. The other portions are the same as in example 2.

The working principle of the utility model is as follows:

as shown in fig. 3, the loading tube 11 passes through the center hole of the top plate 10 and is screwed into the threaded hole of the indicating plate 8, then the loading plate 12 is placed on the loading tube 11, a proper force is applied on the loading plate 12, the loading tube 11 transmits the force to the indicating plate 8 through threads, then the force is transmitted to the inner layer nested plate 6 through the inner layer spring 7, the top plate 18 of the inner layer nested plate 6 transmits the force to the middle spring 5, the middle spring 5 transmits the force to the nested plate 4, the nested plate 4 transmits the force to the outer layer spring 3, then the three springs are synchronously compressed to the required position, the rod 13 passes through the openings on the indicating plate 8 and the positioning lug plate 15 and is locked by the positioning nut 14, after the construction site is installed, the positioning nut 14 is screwed down, the loading plate 12 moves up and down along with the displacement of the pipeline, the pipeline weight is balanced by the spring supporting force, the pipeline stress is reduced, and the service life of the pipeline is prolonged.

Claims

1. A nested variable spring support hanger is characterized in that: including bottom plate (1), instruction board (8), roof (10) and loading pipe (11), bottom plate (1) are connected with roof (10) through spring barrel (2), are equipped with hole (16) on spring barrel (2), and instruction board (8) are installed in spring barrel (2) and both ends stretch out hole (16), pass through threaded connection with instruction board (8) after loading pipe (11) pass roof (10), install first spring supporting mechanism and second spring supporting mechanism in spring barrel (2).

2. The nested variable spring hanger of claim 1, wherein: and a third spring supporting mechanism is also arranged in the spring cylinder body (2).

3. The nested variable spring hanger of claim 2, wherein: the outside of the spring cylinder body (2) is provided with a positioning lug plate (15), and the rod (13) passes through the indication plate (8) and is connected with the positioning lug plate (15) through a positioning nut (14).

4. A nested variable spring hanger according to claim 2 or 3, wherein: the first spring supporting mechanism comprises an inner layer spring (7) and a spring guide pipe (9), the spring guide pipe (9) is connected with the indication plate (8), the spring guide pipe (9) is arranged in the inner layer spring (7), and the upper end of the inner layer spring (7) is in contact with the indication plate (8).

5. The nested variable spring hanger of claim 4, wherein: the second spring supporting mechanism comprises a middle spring (5) and an inner layer nested plate (6), the inner layer nested plate (6) is installed in the middle spring (5), the inner layer spring (7) is installed in the inner layer nested plate (6), the lower end of the inner layer spring (7) is placed on a first bottom plate (17) of the inner layer nested plate (6), and the upper end of the middle spring (5) is in contact with a first top plate (18) of the inner layer nested plate (6).

6. The nested variable spring hanger of claim 5, wherein: the third spring supporting mechanism comprises an outer layer spring (3) and a nested plate (4), the nested plate (4) is installed in the outer layer spring (3), the middle spring (5) is installed in the nested plate (4), the lower end of the middle spring (5) is placed on a second bottom plate (19) of the nested plate (4), and the upper end of the outer layer spring (3) is in contact with a second top plate (20) of the nested plate (4).

7. The nested variable spring hanger of claim 6, wherein: one end of the loading pipe (11) is provided with a loading plate (12).