Multi-stage tandem type variable spring support hanger

Abstract

The utility model provides a multistage tandem type variable spring support hanger, which relates to the field of variable spring support hangers and comprises a spring support hanger barrel, a support plate and cylindrical spiral springs, the support plate is arranged at the upper end of the spring support hanger barrel, the cylindrical spiral springs are distributed on the inner side of the spring support hanger barrel, and the cylindrical spiral springs are arranged on the support plate. The inner side of the spring support hanger barrel is sleeved with a first embedded part, the inner side of the first embedded part is sleeved with a second embedded part, serial top plates are welded to the upper ends of the first embedded part and the second embedded part, adjusting grooves are formed in the inner sides of the serial top plates, and the groove walls of the adjusting grooves are sleeved with connecting columns through fixing transverse plates; an upper movable clamping block and a lower movable clamping block are welded to the upper end and the lower end of the connecting column correspondingly. And cylindrical spiral springs are clamped on the groove surfaces of the upper movable clamping block and the lower movable clamping block. The problem that in the prior art, it is difficult to balance and support the top plate of the multi-stage sleeving nesting plate above the surrounding spring on the outer side is solved.

Description

Technical Field

[0001] The utility model relates to the field of variable spring support and hanger, in particular to a multi-stage series variable spring support and hanger. Background Art

[0002] Spring supports and hangers are mainly used in steam-water pipelines or boiler equipment in power plants, thermal displacement generated during operation, and their equipment. After searching, the prior art (application number: CN201520692673.8) records that "the load tube 11 passes through the central opening of the top plate 10, screws into the threaded hole of the indicator plate 8, and then the load plate 12 is placed on the load tube 11, and a suitable force is applied to the load plate 12. The load tube 11 transmits the force to the indicator plate 8 through the thread, and then transmits the force to the inner nested plate 6 through the inner spring 7. The top plate of the inner nested plate 6 transmits the force to the top plate 18. The force is transmitted to the middle spring 5, the middle spring 5 transmits the force to the nesting plate 4, the nesting plate 4 transmits the force to the outer spring 3, and then the three springs are synchronously compressed to the required position, the rod 13 passes through the openings on the indicator plate 8 and the positioning ear plate 15, and is locked with the positioning nut 14. After the installation on the construction site is completed, the positioning nut 14 is screwed down, and the load plate 12 will move up and down with the displacement of the pipeline, and the spring support force is used to balance the weight of the pipeline, reduce the stress of the pipeline, and increase the service life of the pipeline. However, in the prior art, it is difficult for the top plate of the multi-stage nesting plate to be balanced and supported above the outer surrounding spring. Utility Model Content

[0003] In order to overcome the defects of the prior art, a multi-stage series variable spring support hanger is provided to solve the problem that the top plate of the multi-stage nested plates in the prior art is difficult to be balanced and supported above the outer surrounding spring.

[0004] To achieve the above object, a multi-stage series variable spring hanger is provided, comprising: a spring hanger cylinder, a support plate and a cylindrical coil spring, wherein a support plate is arranged at the upper end of the spring hanger cylinder, and cylindrical coil springs are distributed inside the spring hanger cylinder.

[0005] A first embedded part is sleeved on the inner side of the spring support hanger cylinder, and a second embedded part is sleeved on the inner side of the first embedded part. A series top plate is welded on the upper ends of the first embedded part and the second embedded part. An adjustment groove is opened on the inner side of the series top plate. A connecting column is sleeved on the wall of the adjustment groove through a fixed cross plate. An upper movable block and a lower movable block are welded on the upper and lower ends of the connecting column respectively; and a cylindrical coil spring is clamped on the groove surfaces of the upper movable block and the lower movable block.

[0006] Furthermore, a base plate is welded to the lower end surface of the spring support and hanger cylinder, a drainage groove is opened on the front surface wall of the spring support and hanger cylinder, and a support pipe is welded to the lower end of the support plate.

[0007] Furthermore, the notches on the left and right sides of the spring support and hanger cylinder are provided with displacement indicator plates, a support tube runs through the middle of the displacement indicator plates, and the displacement indicator plates are embedded and plugged into the inner side of the uppermost embedded component.

[0008] Furthermore, cylindrical coil springs are distributed around the outer sides of the first embedded component and the second embedded component; and the first embedded component and the second embedded component are connected in series in multiple stages from top to bottom.

[0009] Furthermore, a connecting ring plate is welded on the lower surface of the series top plate; and a lower movable clamping block is attached to the inner groove wall of the connecting ring plate.

[0010] Furthermore, the groove surfaces of the upper movable card block and the lower movable card block are bonded with rubber pads, and elastic blocks are fixed on the upper and lower surfaces of the fixed horizontal plate; and the elastic blocks are distributed between the spacings of two adjacent groups of upper movable card blocks and lower movable card blocks.

[0011] Furthermore, the series top plate, the adjustment groove, the upper movable block connecting column and the lower movable block constitute a balanced supporting structure of the spring support and hanger cylinder.

[0012] The beneficial effect of the utility model lies in that the multi-stage series variable spring support and hanger of the utility model utilizes movable clamping blocks to penetrate and connect in the series top plate grooves at the upper ends of multiple groups of embedded parts, and the upper and lower cylindrical coil springs are supported by the upper and lower groups of movable clamping blocks, so that the series top plates are balanced and supported by the cylindrical coil springs, which facilitates the stable connection of multiple groups of series top plates with the cylindrical coil springs, avoids the inclination and tilting of the springs inside the variable spring support and hanger, ensures the balance of the bearing force of the multi-stage series variable spring support and hanger, and improves the stability effect of the multi-stage series connection of the variable spring support and hanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of a multi-stage series variable spring support hanger according to an embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the multi-stage series variable spring support and hanger according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the partial cross-section connection structure of the series top plate and the movable block in an embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the top structure of the series-connected top plates according to an embodiment of the utility model.

[0017] In the figure: 1. spring support hanger cylinder; 11. base plate; 12. drainage groove; 2. support plate; 21. support pipe; 3. displacement indicator plate; 4. cylindrical coil spring; 5. series top plate; 51. connecting ring plate; 52. adjustment groove; 53. fixed cross plate; 54. elastic block; 6. first embedded part; 61. second embedded part; 7. upper movable block; 71. connecting column; 72. lower movable block; 73. rubber pad. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a multi-stage series variable spring support hanger, comprising: a spring support hanger cylinder 1, a support plate 2 and a cylindrical coil spring 4. The support plate 2 is arranged at the upper end of the spring support hanger cylinder 1, and the cylindrical coil spring 4 is distributed inside the spring support hanger cylinder 1.

[0019] A first insert 6 is sleeved on the inner side of the spring support and hanger cylinder 1, and a second insert 61 is sleeved on the inner side of the first insert 6. A series top plate 5 is welded to the upper ends of the first insert 6 and the second insert 61. An adjustment groove 52 is opened on the inner side of the series top plate 5. A connecting column 71 is sleeved on the groove wall of the adjustment groove 52 through a fixed cross plate 53. An upper movable clamp 7 and a lower movable clamp 72 are welded to the upper and lower ends of the connecting column 71 respectively; and the groove surfaces of the upper movable clamp 7 and the lower movable clamp 72 are clamped with a cylindrical coil spring 4.

[0020] Working principle: Through the multi-stage serially inserted embedded parts in the spring support and hanger cylinder 1, the cylindrical coil spring 4 is distributed on the outside of each stage of the embedded parts, and the upper movable block 7 and the lower movable block 72 connected through the series top plate 5 at the upper end of the embedded parts are used to clamp the cylindrical coil spring 4, so that the cylindrical coil spring 4 is accurately supported on the outside of the embedded parts, which is convenient for the embedded parts to prevent tilting and falling, and ensure the stability and balance of the multi-stage serial variable spring support and hanger support.

[0021] In this embodiment, a base plate 11 is welded to the lower end surface of the spring support and hanger cylinder 1, a drainage groove 12 is opened on the front surface wall of the spring support and hanger cylinder 1, and a support pipe 21 is welded to the lower end of the support plate 2.

[0022] As a preferred embodiment, the drainage groove 12 facilitates the drainage of water entering the cylinder, thereby preventing water accumulation from corroding the cylindrical coil spring 4 and reducing the service life of the cylindrical coil spring 4.

[0023] In this embodiment, the left and right notches of the spring support and hanger cylinder 1 are provided with displacement indicator plates 3, the middle of which is penetrated by a support tube 21; and the displacement indicator plates 3 are embedded and plugged into the inner side of the uppermost embedded component.

[0024] As a preferred implementation, the displacement indicator plate 3 facilitates observation of the support position of the spring hanger to determine the load capacity of the spring hanger and avoid damage or failure of the spring hanger due to excessive load.

[0025] In this embodiment, cylindrical coil springs 4 are distributed around the outsides of the first embedded component 6 and the second embedded component 61; and the first embedded component 6 and the second embedded component 61 are connected in series in multiple stages from top to bottom.

[0026] As a preferred implementation, multiple sets of embedded parts can be connected in series according to actual production needs to realize multi-stage series spring support and hanger, thereby improving the supporting effect of the spring support and hanger.

[0027] In this embodiment, a connecting ring plate 51 is welded to the lower surface of the series top plate 5 ; and a lower movable clamping block 72 is attached to the inner groove wall of the connecting ring plate 51 .

[0028] As a preferred embodiment, the connecting ring plate 51 facilitates the limiting of the lower movable block 72 , so that the movable block 72 is located on the inner groove wall of the connecting ring plate 51 and moves up and down.

[0029] In this embodiment, the groove surfaces of the upper movable block 7 and the lower movable block 72 are bonded with rubber pads 73, and the upper and lower surfaces of the fixed cross plate 53 are fixed with elastic blocks 54; and the elastic blocks 54 are distributed between the intervals between two adjacent groups of upper movable blocks 7 and lower movable blocks 72.

[0030] As a preferred embodiment, the upper movable clamping block 7 and the lower movable clamping block 72 are clamped and fitted with the cylindrical coil spring 4 through the rubber pad 73 to ensure that the cylindrical coil spring 4 is firmly clamped into the groove surface.

[0031] In this embodiment, the series-connected top plate 5 , the adjustment slot 52 , the upper movable block 7 connecting the column 71 and the lower movable block 72 constitute a balanced support structure of the spring support and hanger cylinder 1 .

[0032] As a preferred embodiment, the balanced support structure of the spring support hanger cylinder 1 facilitates the stable connection of multiple groups of series top plates 5 with the cylindrical coil springs 4, avoids the inner springs of the variable spring support hanger from tilting or falling, and ensures the balance of the bearing force of the multi-stage series variable spring support hanger.

[0033] The multi-stage series variable spring support and hanger of the utility model can effectively solve the problem in the prior art that the top plate of the multi-stage nested plates is difficult to be balanced and supported above the outer surrounding springs, and is convenient for multiple groups of series top plates to stably connect the cylindrical coil springs, avoid the inner springs of the variable spring support and hanger from tilting and falling, ensure the balance of the bearing force of the multi-stage series variable spring support and hanger, improve the stability effect of the multi-stage series connection of the variable spring support and hanger, and is suitable for the multi-stage series variable spring support and hanger.

Claims

1. A multi-stage series variable spring hanger, comprising: A spring support and hanger cylinder (1), a support plate (2) and a cylindrical helical spring (4), wherein the support plate (2) is arranged at the upper end of the spring support and hanger cylinder (1), and the cylindrical helical spring (4) is distributed inside the spring support and hanger cylinder (1), characterized in that: A first insert (6) is sleeved on the inner side of the spring support and hanger cylinder (1), a second insert (61) is sleeved on the inner side of the first insert (6), a series top plate (5) is welded to the upper ends of the first insert (6) and the second insert (61), an adjustment groove (52) is provided on the inner side of the series top plate (5), a connecting column (71) is sleeved on the groove wall of the adjustment groove (52) through a fixed transverse plate (53), an upper movable clamping block (7) and a lower movable clamping block (72) are welded to the upper and lower ends of the connecting column (71), and a cylindrical helical spring (4) is clamped on the groove surfaces of the upper movable clamping block (7) and the lower movable clamping block (72).

2. A multi-stage series variable spring hanger according to claim 1, characterized in that: A base plate (11) is welded to the lower end surface of the spring support and hanger cylinder (1), a drainage groove (12) is provided on the front wall of the spring support and hanger cylinder (1), and a support pipe (21) is welded to the lower end of the support plate (2).

3. A multi-stage series variable spring hanger according to claim 2, characterized in that: Displacement indicating plates (3) are distributed in the notches on the left and right sides of the spring support and hanger cylinder (1), and a support tube (21) runs through the middle of the displacement indicating plate (3); and the displacement indicating plate (3) is embedded and plugged into the inner side of the uppermost embedding piece.

4. The multi-stage series variable spring hanger according to claim 1, characterized in that: The first embedded part (6) and the second embedded part (61) are both surrounded by cylindrical coil springs (4) distributed on their outer sides; and the first embedded part (6) and the second embedded part (61) are connected in series in multiple stages from top to bottom.

5. The multi-stage series variable spring hanger according to claim 1, characterized in that: A connecting ring plate (51) is welded to the lower surface of the series top plate (5); and a lower movable clamping block (72) is attached to the inner groove wall of the connecting ring plate (51).

6. The multi-stage series variable spring hanger according to claim 1, characterized in that: The groove surfaces of the upper movable card block (7) and the lower movable card block (72) are both bonded with rubber pads (73), and the upper and lower surfaces of the fixed transverse plate (53) are fixed with elastic blocks (54); and the elastic blocks (54) are distributed between the spacings of two adjacent groups of upper movable card blocks (7) and lower movable card blocks (72).

7. The multi-stage series variable spring hanger according to claim 1, characterized in that: The series top plate (5), the adjustment groove (52), the upper movable clamping block (7), the connecting column (71) and the lower movable clamping block (72) constitute a balanced support structure of the spring support and hanger cylinder (1).

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