CN215173221U - Damping and shock-absorbing stiffening beam structure - Google Patents
Damping and shock-absorbing stiffening beam structure Download PDFInfo
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- CN215173221U CN215173221U CN202121573994.8U CN202121573994U CN215173221U CN 215173221 U CN215173221 U CN 215173221U CN 202121573994 U CN202121573994 U CN 202121573994U CN 215173221 U CN215173221 U CN 215173221U
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Abstract
The utility model relates to a boiler safety technical field for a damping stiffening beam structure that shakes, include: the damping device comprises a reinforcing beam and a plurality of damping vibration attenuation mechanisms; the membrane wall pipe is characterized in that the reinforcing cross beam is arranged in parallel with the membrane wall pipe, and the reinforcing cross beam is elastically connected with the membrane wall pipe through a plurality of damping vibration attenuation mechanisms which are arranged in parallel. When the membrane wall pipe of the boiler generates transverse vibration, the damping vibration attenuation mechanism between the reinforcing beam and the membrane wall pipe is stressed, and the internal spring absorbs the transverse force generated by the membrane wall pipe vibration through elastic deformation. By the structure, the vibration of the boiler hearth is effectively reduced, and the safety of the boiler is improved; reduces the damage of the traditional rigid beam to the membrane wall pipe. And the structure has independence, can adapt to different boiler structures, and can be used only by fixedly connecting the whole structure with the membrane wall pipe.
Description
Technical Field
The utility model relates to a boiler safety technical field, concretely relates to damping stiffening beam structure.
Background
The outer side of the large-scale boiler membrane wall pipe is provided with a reinforcing beam which surrounds and is suspended on the periphery of the boiler wall of the boiler and plays a role in protecting the boiler wall. Its functions are to increase the rigidity of furnace and tail flue, reduce the vibration of furnace wall, and protect the tubes of film-type wall tubes from damage under the action of maximum instantaneous allowable pressure of boiler. The rigid beam of the existing boiler has a large section and heavy self weight, and causes burden to the bearing of the membrane wall pipe. And the position of the stiffening beam is generally arranged closer to the position of the membrane wall pipe in the existing structure, so that a large temperature difference exists between the inside and the outside of the stiffening beam, and the stiffening beam can be damaged for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a damping stiffening beam structure has solved above the position of boiler stiffening beam and the position setting of diaphragm type wall pipe nearer, lead to the inside and outside great difference in temperature of stiffening beam self, also can lead to the technical problem of the damage of stiffening beam for a long time.
The utility model provides a solve above-mentioned technical problem and provide a damping stiffening beam structure, include: the damping device comprises a reinforcing beam and a plurality of damping vibration attenuation mechanisms;
the membrane wall pipe is characterized in that the reinforcing cross beam is arranged in parallel with the membrane wall pipe, and the reinforcing cross beam is elastically connected with the membrane wall pipe through a plurality of damping vibration attenuation mechanisms which are arranged in parallel.
Optionally, the damping vibration attenuation mechanism includes an outer sleeve, a spring and an inner sleeve, the outer sleeve is welded to the reinforcing cross beam, the outer sleeve is sleeved on the inner sleeve, the inner sleeve is sleeved on the spring, one end of the spring abuts against the bottom of the inner sleeve, and the other end of the spring abuts against the bottom of the outer sleeve.
Optionally, two ends of the spring are respectively and fixedly connected with the bottom of the inner sleeve and the bottom of the outer sleeve.
Optionally, the amount of expansion and contraction when the spring is compressed is less than the maximum amount of displacement of the diaphragm wall tube due to transverse vibration.
Optionally, the stiffening beam structure further includes a triangular bracket, a right-angle side of the triangular bracket is movably connected with the side surface of the stiffening beam, the other right-angle side of the triangular bracket is fixedly connected with the membrane wall pipe, and the front surface of the stiffening beam is fixedly connected with the damping vibration attenuation mechanism.
Optionally, an arc plate is welded on the membrane wall pipe, and the tail end of the damping vibration attenuation mechanism is welded with the arc plate.
Optionally, the stiffening beam structure further includes an external steel frame, the external steel frame and the membrane wall pipe are relatively fixed in pairs, and the stiffening beam is fixedly connected to the external steel frame.
Optionally, the damping vibration attenuation mechanism is a buffering hydraulic hinge, a piston of the buffering hydraulic hinge is fixedly connected with the reinforcing cross beam, and a sleeve of the buffering hydraulic hinge is fixedly connected with the membrane wall pipe.
Optionally, a high-density oil body is filled between the piston and the sleeve, the piston moves in the sleeve to divide the interior of the sleeve into two closed spaces, and the high-density oil body flows in the two closed spaces through a small hole in the piston to block the movement speed of the piston.
Has the advantages that: the utility model provides a damping stiffening beam structure that cushions, include: the damping device comprises a reinforcing beam and a plurality of damping vibration attenuation mechanisms; the membrane wall pipe is characterized in that the reinforcing cross beam is arranged in parallel with the membrane wall pipe, and the reinforcing cross beam is elastically connected with the membrane wall pipe through a plurality of damping vibration attenuation mechanisms which are arranged in parallel. When the membrane wall pipe of the boiler generates transverse vibration, the damping vibration attenuation mechanism between the reinforcing beam and the membrane wall pipe is stressed, and the internal spring absorbs the transverse force generated by the membrane wall pipe vibration through elastic deformation. By the structure, the vibration of the boiler hearth is effectively reduced, and the safety of the boiler is improved; reduces the damage of the traditional rigid beam to the membrane wall pipe. And the structure has independence, can adapt to different boiler structures, and can be used only by fixedly connecting the whole structure with the membrane wall pipe.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic front view of a damping and shock-absorbing stiffening beam according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial connection structure of a first embodiment of the damping and reinforcing beam structure of the present invention;
FIG. 3 is a schematic structural diagram of a damping and shock-absorbing stiffening beam according to a second embodiment of the present invention;
fig. 4 is a schematic view of a local connection structure of a second embodiment of the damping and shock-absorbing reinforcing beam structure of the present invention.
Description of reference numerals: the device comprises a triangular bracket 1, a reinforcing cross beam 2, an outer sleeve 3, a membrane wall tube 4, a spring 5, an inner sleeve 6 and an arc plate 7.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, the utility model provides a damping stiffening beam structure, include: a reinforcing beam 2 and a plurality of damping vibration attenuation mechanisms; the reinforcing beam 2 and the membrane wall tube 4 are arranged in parallel, and the reinforcing beam 2 and the membrane wall tube 4 are elastically connected through a plurality of damping vibration attenuation mechanisms which are arranged in parallel. When the membrane-wall tube 4 of the boiler generates transverse vibration, the damping mechanism between the reinforcing beam and the membrane-wall tube 4 is stressed, and the internal spring 5 absorbs the transverse force generated by the vibration of the membrane-wall tube 4 through elastic deformation. By the structure, the vibration of the boiler hearth is effectively reduced, and the safety of the boiler is improved; reducing damage to the membrane wall tube 4 from conventional stiffening beams. And the structure has independence, can adapt to different boiler structures, and only needs to be fixedly connected with the membrane wall pipe 4 when in use. In addition, because damping vibration attenuation mechanism has certain length for pull open the distance between strengthening beam 2 and the boiler, prevent that there is great difference in temperature inside and outside strengthening beam self, avoid long-term difference in temperature to lead to the damage of strengthening beam.
Optionally, the damping vibration attenuation mechanism includes an outer sleeve 3, a spring 5 and an inner sleeve 6, the outer sleeve 3 is welded to the reinforcing beam 2, the outer sleeve 3 is sleeved on the inner sleeve 6, the inner sleeve 6 is sleeved on the spring 5, one end of the spring 5 is abutted to the bottom of the inner sleeve 6, and the other end of the spring is abutted to the bottom of the outer sleeve 3. The outer sleeve 3, the spring 5 and the inner sleeve 6 form a damping vibration attenuation mechanism, when the membrane wall tube 4 vibrates, the inner sleeve 6 can be driven to vibrate together, and the inner sleeve 6 can transmit the vibration to the reinforcing cross beam 2 through the spring 5, so that the damping buffering effect on the boiler is achieved.
Optionally, two ends of the spring 5 are respectively and fixedly connected with the bottom of the inner sleeve 6 and the bottom of the outer sleeve 3. The spring 5 is positioned in the outer sleeve, one end of the spring is fixedly connected with the bottom end of the outer sleeve, the outer sleeve is fixedly connected with the reinforcing cross beam 2, the other end of the spring is fixedly connected with the bottom end of the inner sleeve, the outer sleeve is sleeved on the inner sleeve, and therefore the inner sleeve can slide in the outer sleeve, and the spring 5 is used for transmitting force to achieve the effect of vibration reduction.
Optionally, an arc plate 7 is welded on the membrane wall pipe 4, and the tail end of the damping vibration attenuation mechanism is welded with the arc plate 7. The outer sleeve 3, the spring 5 and the inner sleeve 6 form a damping structure of the spring 5. In the structure, one end of an outer sleeve 3 is welded on a reinforcing beam 2, and the other end is a movable end; one end of the inner sleeve 6 is welded on the arc plate 7, the other end is a movable end, and the arc plate 7 plays a role in protecting the membrane type wall pipe 4 and in transition connection; the spring 5 is arranged in the outer sleeve 3, and two ends of the spring are respectively pressed by the reinforcing beam and the inner sleeve 6 so as to achieve the purpose of vibration reduction. In which the arc plates 7 are welded to the membrane wall tube 4 as protection.
Alternatively, the amount of expansion and contraction of the spring 5 when compressed is less than the maximum amount of displacement of the diaphragm wall tube 4 due to lateral vibration. The diameters and the thicknesses of the outer sleeve 3 and the inner sleeve 6 are determined according to the outer diameter and the wire diameter of the spring 5, and the lengths are determined according to the working compression amount of the spring 5, so that the spring 5 is ensured not to be pressed and generate plastic deformation. Therefore, different boilers and vibration environments can select different springs 5 to achieve the best vibration reduction effect.
Optionally, the damping vibration attenuation mechanism is a buffering hydraulic hinge, a piston of the buffering hydraulic hinge is fixedly connected with the reinforcing beam 2, and a sleeve of the buffering hydraulic hinge is fixedly connected with the membrane wall pipe 4. The hydraulic buffer hinge adapts to the high-speed vibration speed of the boiler by a brand-new technology, so that when the membrane wall pipe 4 vibrates along with the boiler, the impact force is reduced by the hydraulic buffer technology, the comfortable effect during vibration is formed, and the high-speed rigid vibration is buffered. Ensures that no maintenance is required even under long-term use.
Optionally, a high-density oil body is filled between the piston and the sleeve, the piston moves in the sleeve to divide the interior of the sleeve into two closed spaces, and the high-density oil body flows in the two closed spaces through a small hole in the piston to block the movement speed of the piston. Along with the movement of the piston in the sleeve, high-density oil bodies flow from one side of the piston to the other side of the piston, and because the cross section of the small hole is constant, when the vibration is too large, the flow rate of the oil bodies passing through the small hole cannot completely resist the vibration, and a buffer effect is formed, so that the aim of absorbing the vibration is fulfilled. The size of the sleeve and the aperture of the small hole in the piston can be designed according to the requirement of vibration absorption.
The first embodiment is as follows:
as shown in fig. 1 and 2, a damping and shock-absorbing reinforcing beam structure includes: a reinforcing beam 2 and a plurality of damping vibration attenuation mechanisms; the reinforcing beam 2 and the membrane wall tube 4 are arranged in parallel, and the reinforcing beam 2 and the membrane wall tube 4 are elastically connected through a plurality of damping vibration attenuation mechanisms which are arranged in parallel. The stiffening beam structure further comprises a triangular bracket 1, one right-angle edge of the triangular bracket 1 is movable with the side surface of the stiffening beam 2, the other right-angle edge of the triangular bracket 1 is fixedly connected with the membrane wall tube 4, and the front surface of the stiffening beam 2 is fixedly connected with the damping vibration attenuation mechanism.
When the outer side of the membrane wall pipe 4 has no steel structure, a bracket is arranged on the membrane wall pipe 4 to support the reinforcing beam, and a fixing point is arranged at a proper position to ensure that the reinforcing beam 2 and the membrane wall pipe 4 have relative displacement. Specifically, the triangular bracket 1 serves to laterally support the reinforcing beam 2, there is a lateral vibration displacement between the membrane wall tube 4 and the reinforcing beam 2, and the triangular bracket 1 longitudinally supports the reinforcing beam 2, improving the overall strength of the reinforcing beam 2. The triangular bracket 1 and the membrane wall tube 4 are fixedly connected, and the triangular bracket 1 and the membrane wall tube 4 can transversely slide along the reinforcing cross beam 2 and longitudinally support the reinforcing cross beam 2.
Example two:
as shown in fig. 3 and 4, the damping and shock-absorbing reinforcing beam structure includes: a reinforcing beam 2 and a plurality of damping vibration attenuation mechanisms; the reinforcing beam 2 and the membrane wall tube 4 are arranged in parallel, and the reinforcing beam 2 and the membrane wall tube 4 are elastically connected through a plurality of damping vibration attenuation mechanisms which are arranged in parallel. The reinforcing beam structure further comprises an external steel frame, the external steel frame and the membrane wall pipe 4 are oppositely and fixedly arranged in pairs, and the reinforcing beam 2 is fixedly connected with the external steel frame. When the outer side of the membrane wall is provided with a steel structure, the external steel structure is utilized to additionally install the beam as a reinforcing beam. And an additional triangular bracket 1 is not required.
Has the advantages that: the utility model provides a damping stiffening beam structure that cushions, include: the damping device comprises a reinforcing beam and a plurality of damping vibration attenuation mechanisms; the membrane wall pipe is characterized in that the reinforcing cross beam is arranged in parallel with the membrane wall pipe, and the reinforcing cross beam is elastically connected with the membrane wall pipe through a plurality of damping vibration attenuation mechanisms which are arranged in parallel. When the membrane wall pipe of the boiler generates transverse vibration, the damping vibration attenuation mechanism between the reinforcing beam and the membrane wall pipe is stressed, and the internal spring absorbs the transverse force generated by the membrane wall pipe vibration through elastic deformation. By the structure, the vibration of the boiler hearth is effectively reduced, and the safety of the boiler is improved; reduces the damage of the traditional rigid beam to the membrane wall pipe. And the structure has independence, can adapt to different boiler structures, and can be used only by fixedly connecting the whole structure with the membrane wall pipe.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A damping and shock-absorbing reinforcing beam structure, comprising: the damping device comprises a reinforcing beam and a plurality of damping vibration attenuation mechanisms;
the membrane wall pipe is characterized in that the reinforcing cross beam is arranged in parallel with the membrane wall pipe, and the reinforcing cross beam is elastically connected with the membrane wall pipe through a plurality of damping vibration attenuation mechanisms which are arranged in parallel.
2. The damping and shock-absorbing reinforcing beam structure according to claim 1, wherein the damping and shock-absorbing mechanism comprises an outer sleeve, a spring and an inner sleeve, the outer sleeve is welded to the reinforcing beam, the outer sleeve is sleeved on the inner sleeve, the inner sleeve is sleeved on the spring, one end of the spring abuts against the bottom of the inner sleeve, and the other end of the spring abuts against the bottom of the outer sleeve.
3. The damping and shock-absorbing reinforcing beam structure according to claim 2, wherein both ends of the spring are fixedly connected with the bottom of the inner sleeve and the bottom of the outer sleeve respectively.
4. The structure of claim 2, wherein the spring is compressed and expanded by a smaller amount than the maximum displacement of the diaphragm wall tube due to transverse vibration.
5. The damping and shock-absorbing reinforcing beam structure according to claim 1, further comprising a triangular bracket, wherein one right-angle side of the triangular bracket is movably connected with the side surface of the reinforcing beam, the other right-angle side of the triangular bracket is fixedly connected with the membrane wall pipe, and the front surface of the reinforcing beam is fixedly connected with the damping and shock-absorbing mechanism.
6. The structure of claim 1, wherein the membrane wall tube is welded with an arc plate, and the end of the damping mechanism is welded with the arc plate.
7. The damping and shock-absorbing reinforcing beam structure according to claim 1, further comprising an external steel frame, wherein the external steel frame and the membrane wall pipes are fixedly arranged in pairs, and the reinforcing beam is fixedly connected with the external steel frame.
8. The structure of claim 1, wherein the damping mechanism is a hydraulic buffer hinge, a piston of the hydraulic buffer hinge is fixedly connected to the reinforcing beam, and a sleeve of the hydraulic buffer hinge is fixedly connected to the membrane-wall pipe.
9. The structure of claim 8, wherein a high-density oil body is filled between the piston and the sleeve, the piston moves in the sleeve to divide the inside of the sleeve into two closed spaces, and the high-density oil body flows in the two closed spaces through a small hole on the piston to block the movement speed of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573994.8U CN215173221U (en) | 2021-07-12 | 2021-07-12 | Damping and shock-absorbing stiffening beam structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121573994.8U CN215173221U (en) | 2021-07-12 | 2021-07-12 | Damping and shock-absorbing stiffening beam structure |
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| CN215173221U true CN215173221U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374971A (en) * | 2021-07-12 | 2021-09-10 | 辽宁绿源能源环保科技集团有限责任公司 | Damping and shock-absorbing stiffening beam structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374971A (en) * | 2021-07-12 | 2021-09-10 | 辽宁绿源能源环保科技集团有限责任公司 | Damping and shock-absorbing stiffening beam structure |
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Address after: 115000 No.121 Xinlian street, Yingkou District, China (Liaoning) pilot Free Trade Zone, Yingkou City, Liaoning Province Patentee after: Lvyuan energy and Environment Technology Group Co.,Ltd. Address before: 115000 No.121 Xinlian street, Yingkou District, China (Liaoning) pilot Free Trade Zone, Yingkou City, Liaoning Province Patentee before: Liaoning Lvyuan Energy Environmental Protection Technology Group Co.,Ltd. |
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