Self-standing steel chimney damper

Abstract

The utility model belongs to the technical field of chimneys, and particularly relates to a self-standing steel chimney damper which comprises symmetrically-arranged fixing rings, a winding shaft is rotationally connected between the fixing rings at the top end, the fixing rings at the lower portion are fixedly connected through a sliding rod, the two fixing rings are fixedly connected through a friction plate, and the friction plate is fixedly connected with the winding shaft. A shell is slidably connected to the outer surfaces of the friction plate and the sliding rod, a friction block is slidably connected into the shell and makes contact with the friction plate, a traction rope is fixedly installed at the top end of the friction block, the traction rope penetrates through the shell and extends to the outer side of the shell, and the end, away from the friction block, of the traction rope is wound and fixed to the outer surface of the winding shaft. According to the self-standing steel chimney damper, the pulling rope is arranged to pull the friction block and increase the pressure between the friction block and the friction plate, so that the friction force between the friction block and the friction plate can be increased, the damping force can be increased, and the damping can be changed through the arrangement.

Description

TECHNICAL FIELD

[0001] The utility model belongs to chimney technical field especially relates to a self -supporting steel chimney damper. BACKGROUND

[0002] Self -supporting steel chimney is the cylinder body under not adding any additional stress support condition, with the foundation together constitute a stable structure steel chimney, since self -supporting steel chimney is generally higher, usually will install damper to resist the harm of wind force, damper is the device that provides the resistance of movement, reduces the movement energy.

[0003] For example, the Chinese patent with publication number CN217557878U discloses a self-supporting steel chimney damper, belonging to the technical field of dampers, to solve the problem that existing dampers are easily eroded by rainwater and have a short service life when exposed components such as springs are exposed to the outside, and the removal operation is cumbersome when the damper is partially damaged, comprising a chimney, a mounting base, a damper mechanism, and a mounting seat. The mounting base is a circular ring structure and is fixedly connected to the outer periphery of the chimney. One end of the damper mechanism is fixedly connected to the outer periphery of the chimney, and the other end of the damper mechanism is fixedly connected to the mounting base. The mounting seat is provided with multiple groups, and the upper end of the mounting seat is provided with a threaded hole structure. The mounting seat is a C-shaped structure and is fixedly connected to the outer periphery of the chimney. The utility model protects the damper, reduces the degree of erosion of the damper, prolongs the service life of the damper, facilitates the removal and replacement of the damper, and further increases the stability of the chimney. However, the damping size of the device cannot be adjusted, and the damping provided by the damping mechanism will gradually decrease over time, so a device that can adjust the damping is needed. SUMMARY

[0004] The utility model aims at the above -mentioned technical problem, provides a self -supporting steel chimney damper, reaches the effect that can adjust the damping size.

[0005] Therefore, the utility model provides a self-supporting steel chimney damper, which comprises a chimney, and symmetrically arranged fixing rings. A winding shaft is rotatably connected between the fixing rings at the top. The fixing rings at the bottom are fixedly connected by a sliding rod. The two fixing rings are fixedly connected by a friction plate. An outer shell is slidably connected to the outer surfaces of the friction plate and the sliding rod. A friction block is slidably connected inside the outer shell. The friction block is in contact with the friction plate. A traction rope is fixedly installed at the top of the friction block. The traction rope penetrates through the outer shell and extends to the outside of the outer shell. One end of the traction rope away from the friction block is wound and fixed to the outer surface of the winding shaft.

[0006] Preferably, the upper surface of the shell is fixedly provided with a support frame, the middle portion of the support frame is rotationally connected with a center sleeve, the outer surface of the center sleeve is fixedly provided with a winding wheel, the traction rope is wound around the outer surface of the winding wheel, the outer surface of the center sleeve is fixedly sleeved with a one-way ratchet ring, the upper surface of the shell is provided below the one-way ratchet ring with a one-way ratchet plate, the middle portion of the center sleeve is provided with a lead groove, the inside of the lead groove is slidably connected with a lead column, one end of the lead column is fixedly provided with a pull rope, the pull rope is wound around the outer surface of the winding shaft, the other end of the lead column is fixedly provided with a return spring, and the return spring is fixedly connected with the shell.

[0007] Preferably, the one-way ratchet plate is slidably connected with the shell, the one-way ratchet plate and the shell are fixedly connected through a tension spring, and the number of the winding shafts is two, one outer surface of the winding shafts is wound with a pull rope, and the pull rope is fixedly connected with the one-way ratchet plate.

[0008] Preferably, the number of the friction plates is multiple, the multiple friction plates are equidistantly distributed upwards and downwards, the upwards and downwards pull ropes are combined into one and are wound around the winding shaft, and the upwards and downwards pull ropes are combined into one and are wound around the winding shaft.

[0009] Preferably, the bottom end of the shell is provided with a bearing groove, the friction block is slidably connected with a bearing block, the upper surface of the bearing block is fixedly provided with a protrusion at four corners, the middle portion of the shell is slidably connected with a connecting plate, the protrusion is fixedly connected with the connecting plate, and the traction rope is fixedly connected with the connecting plate.

[0010] Preferably, the inner side of the uppermost fixed ring is fixedly provided with a power source, and the power source is drivingly connected with the winding shaft through a gear.

[0011] The self-standing steel chimney damper has the advantages that:

[0012] 1. The self-standing steel chimney damper can increase the friction force between the friction block and the friction plate by setting the traction rope to pull the friction block and increasing the pressure between the friction block and the friction plate, thereby increasing the damping force, and the size of the damping force can be changed through the setting.

[0013] 2. The self-standing steel chimney damper can limit the winding wheel to only rotate in one direction through the traction rope sleeved on the surface of the winding wheel and provided with the one-way ratchet ring coaxial with the winding wheel, so that the friction force between the friction block and the friction plate can only increase and cannot decrease, and when displacement occurs, the pull rope moves relative to the shell, so that the pull rope can be more tightened and the damping force can be increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2The shell connection schematic diagram in the utility model;

[0016] Figure 3 The shell half-section schematic diagram in the utility model;

[0017] Figure 4 The center sleeve connection schematic diagram in the utility model;

[0018] Figure 5 The lead screw connection schematic diagram in the utility model.

[0019] The marks in the figure indicate that:

[0020] 1, chimney; 2, fixed ring; 3, winding shaft; 4, sliding rod; 5, friction plate; 6, shell; 7, friction block; 8, traction rope; 9, support frame; 10, center sleeve; 11, winding wheel; 12, one-way ratchet ring; 13, one-way ratchet plate; 14, lead groove; 15, lead screw; 16, pull rope; 17, return spring; 18, tension spring; 19, pull rope; 20, bearing groove; 21, bearing block; 22, protrusion; 23, connecting plate; 24, power source. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings Figures 1-5 The application will be further described in detail.

[0022] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0023] The self-standing steel chimney damper disclosed by the embodiments of the present application comprises a chimney 1 and symmetrically arranged fixed rings 2, wherein a winding shaft 3 is rotatably connected between the fixed rings 2 at the top, the fixed rings 2 at the bottom are fixedly connected through a sliding rod 4, the two fixed rings 2 are fixedly connected through a friction plate 5, an outer shell 6 is slidably connected to the outer surfaces of the friction plate 5 and the sliding rod 4, a friction block 7 is slidably connected inside the outer shell 6, the friction block 7 is in contact with the friction plate 5, a traction rope 8 is fixedly installed at the top of the friction block 7, the traction rope 8 penetrates through the outer shell 6 and extends to the outside of the outer shell 6, and the end of the traction rope 8 away from the friction block 7 is wound and fixed to the outer surface of the winding shaft 3. The winding shaft 3 can be rotated to pull the friction block 7 to move upward, so as to increase the pressure between the friction block 7 and the friction plate 5, and further increase the friction, so as to increase the damping effect.

[0024] Based on the above structure,

[0025] In one of the embodiments, the upper surface of the shell 6 is fixedly installed with a support frame 9, the middle part of the support frame 9 is rotationally connected with a center sleeve 10, the outer surface of the center sleeve 10 is fixedly installed with a winding wheel 11, the traction rope 8 is wound on the outer surface of the winding wheel 11, the outer surface of the center sleeve 10 is fixedly sleeved with a one-way ratchet ring 12, the upper surface of the shell 6 is provided below the one-way ratchet ring 12 with a one-way ratchet plate 13, the middle part of the center sleeve 10 is provided with a lead groove 14, the inside of the lead groove 14 is slidably connected with a lead column 15, one end of the lead column 15 is fixedly installed with a pull rope 16, the pull rope 16 is wound on the outer surface of the winding shaft 3, the other end of the lead column 15 is fixedly installed with a return spring 17, and the return spring 17 is fixedly connected with the shell 6. Specifically, by setting the one-way ratchet ring 12 and the one-way ratchet plate 13, it can be ensured that the winding wheel 11 can only rotate in one direction, so that the pressure between the friction block 7 and the friction plate 5 can only increase and cannot decrease.

[0026] In the embodiment, by such a setting, it can be ensured that the friction between the friction block 7 and the friction plate 5 cannot decrease.

[0027] Based on the above structure,

[0028] In one of the embodiments, the one-way ratchet plate 13 is slidably connected with the shell 6, the one-way ratchet plate 13 and the shell 6 are fixedly connected through a tension spring 18, and the number of the winding shafts 3 is two. One of the winding shafts 3 has a pull rope 19 wound on the outer surface thereof, and the pull rope 19 is fixedly connected with the one-way ratchet plate 13. Specifically, by such a setting, the one-way ratchet plate 13 can be moved in position, so that it can be separated from the one-way ratchet ring 12.

[0029] In the embodiment, by such a setting, it can be ensured that after the one-way ratchet plate 13 is separated from the one-way ratchet ring 12, the friction plate 5 can be reset.

[0030] Based on the above structure,

[0031] In one of the embodiments, the number of the friction plates 5 is multiple, and the multiple friction plates 5 are equidistantly distributed upward and downward. The upper and lower pull ropes 16 are combined into one and wound on the winding shaft 3, and the upper and lower pull ropes 19 are combined into one and wound on the winding shaft 3. Specifically, by such a setting, it can be ensured that sufficient damping effect is provided.

[0032] Based on the above structure,

[0033] In one of the embodiments, the bottom end of the shell 6 is provided with a bearing groove 20, the friction block 7 is slidingly connected with a bearing block 21, the upper surface of the bearing block 21 is fixed with a protrusion 22 at four corners, the middle part of the shell 6 is slidingly connected with a connecting plate 23, the protrusion 22 is fixedly connected with the connecting plate 23, and the traction rope 8 is fixedly connected with the connecting plate 23. Specifically, through such a setting, the friction block 7 can be limited to avoid position movement.

[0034] Based on the above structure,

[0035] In one of the embodiments, the inner side of the uppermost fixed ring 2 is fixedly installed with a power source 24, and the power source 24 is drivingly connected with the winding shaft 3 through a gear. Specifically, through such a setting, the power source 24 can drive the winding shaft 3 to rotate.

[0036] The self-standing steel chimney damper of the embodiment can increase the friction force between the friction block 7 and the friction plate 5 by setting the traction rope 8 to pull the friction block 7 and increase the pressure between the friction block 7 and the friction plate 5, thereby increasing the damping force. Through such a setting, the size of the damping can be changed.

[0037] The traction rope 8 is sleeved on the surface of the winding wheel 11 and is provided with a one-way ratchet ring 12 coaxial with the winding wheel 11, thereby limiting the winding wheel 11 to only rotate in one direction, so that the friction force between the friction block 7 and the friction plate 5 can only increase and cannot decrease. At the same time, when displacement occurs, the pull rope 16 moves relative to the shell 6, so that the pull rope 16 can be more tightened and the damping can be increased.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A self-standing steel chimney damper comprising a chimney (1), characterized in that, Also include: The fixed ring (2) is symmetrically arranged, wherein the top end of the fixed ring (2) is rotatably connected with the winding shaft (3), and the lower fixed ring (2) is fixedly connected through the sliding rod (4); Two said fixed ring (2) is fixedly connected through the friction plate (5), the outer surface of the friction plate (5) and the sliding rod (4) is slidably connected with the shell (6), the inner surface of the shell (6) is slidably connected with the friction block (7), the friction block (7) is in contact with the friction plate (5), the top of the friction block (7) is fixedly installed with the traction rope (8), the traction rope (8) penetrates through the shell (6) and extends to the outside of the shell (6), the end of the traction rope (8) away from the friction block (7) is wound and fixed on the outer surface of the winding shaft (3).

2. The self-standing steel chimney damper according to claim 1, characterized in that: The upper surface of the shell (6) is fixedly installed with the support frame (9), the middle part of the support frame (9) is rotatably connected with the center sleeve (10), the outer surface of the center sleeve (10) is fixedly installed with the winding wheel (11), the traction rope (8) is wound on the outer surface of the winding wheel (11), the outer surface of the center sleeve (10) is fixedly sleeved with the one-way ratchet ring (12), the upper surface of the shell (6) is provided with the one-way ratchet plate (13) below the one-way ratchet ring (12), the middle part of the center sleeve (10) is provided with the lead groove (14), the inner surface of the lead groove (14) is slidably connected with the lead column (15), one end of the lead column (15) is fixedly installed with the pull rope (16), the pull rope (16) is wound on the outer surface of the winding shaft (3), the other end of the lead column (15) is fixedly installed with the reset spring (17), and the reset spring (17) is fixedly connected with the shell (6).

3. The self-standing steel chimney damper according to claim 2, characterized in that: The one-way ratchet plate (13) is slidably connected with the shell (6), the one-way ratchet plate (13) and the shell (6) are fixedly connected through the tension spring (18), the number of the winding shaft (3) is two, and one of the winding shaft (3) is wound with the pulling rope (19), and the pulling rope (19) is fixedly connected with the one-way ratchet plate (13).

4. The self-standing steel chimney damper according to claim 3, characterized in that: The number of the friction plate (5) is multiple, and the multiple friction plates (5) are equidistantly distributed, wherein the upper and lower pull ropes (16) are combined into a strand and wound with the winding shaft (3), and the upper and lower pulling ropes (19) are combined into a strand and wound with the winding shaft (3).

5. The self-standing steel chimney damper according to claim 4, characterized in that: The bottom end of the shell (6) is provided with a bearing groove (20), the friction block (7) is slidably connected with the bearing block (21), the upper surface of the bearing block (21) is fixedly provided with the protrusion (22), the middle part of the shell (6) is slidably connected with the connecting plate (23), the protrusion (22) is fixedly connected with the connecting plate (23), and the traction rope (8) is fixedly connected with the connecting plate (23).

6. The self-standing steel chimney damper according to claim 1, characterized in that: The inner side of the uppermost said fixed ring (2) is fixedly installed with the power source (24), and the power source (24) is connected with the winding shaft (3) through gear transmission.

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