CN114508637A - Inner flange fixing device - Google Patents
Inner flange fixing device Download PDFInfo
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- CN114508637A CN114508637A CN202210185455.XA CN202210185455A CN114508637A CN 114508637 A CN114508637 A CN 114508637A CN 202210185455 A CN202210185455 A CN 202210185455A CN 114508637 A CN114508637 A CN 114508637A
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- Prior art keywords
- fastening
- inner flange
- pipe tower
- node
- belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides an inner flange fixing device, which is arranged at an inner flange node of a single-pipe tower and comprises: the first fastening part comprises N fastening plates, the N fastening plates are fixedly arranged on the outer side of a pipeline at the node of an inner flange of the single-pipe tower in the pipeline direction of the single-pipe tower, and N is an integer larger than 1; the second fastening component comprises M fastening belts, the M fastening belts are fixedly arranged on one side, opposite to the single-pipe tower, of the N fastening plates in a direction perpendicular to the pipeline direction of the single-pipe tower, and M is an integer larger than 1. The invention can reinforce the inner flange node of the single-pipe tower, and can improve the bearing capacity of the inner flange structure.
Description
Technical Field
The invention relates to the technical field of equipment installation, in particular to an inner flange fixing device.
Background
The flange structure is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges at the inlet and outlet of the equipment for connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures.
The flange structure is divided by outer flange structure and interior flange structure, and in prior art, the inside of interior flange structure mainly setting between pipeline and pipeline is fastened and is connected through the screw, and wherein, concrete reinforcement mode is for all setting up and installing locking device in the department about the flange node, and locking device comprises two semicircle locking connection and fixes on the tower body surface, goes up and is fixed through set screw between the latch segment on the same vertical axis on locking device and the lower locking device, be fixed with a plurality of thrust blocks that prevent that locking device breaks away from the tower body in last locking device's top on the tower body. However, the diameters of the cylinders at the positions where the locking devices are arranged on the upper and lower parts of the inner flange are different, and the upper and lower locking devices need to be changed more, so that the bearing capacity of the inner flange structure in the prior art is poor.
Disclosure of Invention
The embodiment of the invention aims to provide an inner flange fixing device to solve the problem of poor bearing capacity of an inner flange structure.
In order to achieve the above object, an embodiment of the present invention provides an inner flange fixing device, including: the first fastening part comprises N fastening plates, the N fastening plates are fixedly arranged on the outer side of a pipeline at the node of an inner flange of the single-pipe tower in the pipeline direction of the single-pipe tower, and N is an integer larger than 1; the second fastening component comprises M fastening belts, the M fastening belts are fixedly arranged on one side, opposite to the single-pipe tower, of the N fastening plates in a direction perpendicular to the pipeline direction of the single-pipe tower, and M is an integer larger than 1. The invention can reinforce the inner flange node of the single-pipe tower, and can improve the bearing capacity of the inner flange structure.
One of the above technical solutions has the following advantages or beneficial effects:
according to the technical scheme of the invention, the inner flange fixing device comprises: the first fastening part comprises N fastening plates, the N fastening plates are fixedly arranged on the outer side of a pipeline at the node of an inner flange of the single-pipe tower in the pipeline direction of the single-pipe tower, and N is an integer larger than 1; the second fastening component comprises M fastening belts, the M fastening belts are fixedly arranged on one side, opposite to the single-pipe tower, of the N fastening plates in a direction perpendicular to the pipeline direction of the single-pipe tower, and M is an integer larger than 1. The invention can reinforce the inner flange node of the single-pipe tower, and can improve the bearing capacity of the inner flange structure. The inner flange fixing device is arranged at an inner flange node of the single-pipe tower, the first fastening part and the second fastening part are arranged at the inner flange node, the first fastening part is fixedly arranged on the outer side of the pipeline in the pipeline direction, the bearing capacity of the pipeline is improved, the second fastening part is fixedly arranged on one side, opposite to the pipeline, of the first fastening part in the winding and pasting mode, namely the first fastening part is bound on the outer side of the second fastening part, and the stability of the pipeline is improved. Compared with the method for fastening the inner flange node in the prior art, the embodiment of the invention can realize more efficient fixing effect on the inner flange node, solve the problem that the strength of the bolt and the stiffened plate of the inner flange node is insufficient, reduce the stress amplitude of the bolt at the inner flange node and further improve the bearing capacity of the inner flange structure.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
FIG. 1 is a block diagram of an internal flange securement device provided by the present disclosure;
FIG. 2 is a cross-sectional view of an internal flange securement device provided by the present disclosure;
fig. 3 is a partial cross-sectional view of an internal flange fixture provided by the present disclosure.
Detailed Description
The following description of the exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, includes various details of the embodiments of the application for the understanding of the same, which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Referring to fig. 1, fig. 1 is a structural diagram of an internal flange fixing device according to the present disclosure, as shown in fig. 1, including: the first fastening part 11 comprises N fastening plates, the N fastening plates are fixedly arranged on the outer side of the pipeline at the node of the inner flange of the single-pipe tower in the pipeline direction of the single-pipe tower, and N is an integer larger than 1; the second fastening member 12 includes M fastening bands, the M fastening bands are fixedly disposed on the opposite sides of the N fastening plates facing the single-tube tower in a direction perpendicular to the pipeline of the single-tube tower, and M is an integer greater than 1.
In fig. 1, the component structure and function of the inner flange fixing device are illustrated, and of course, the inner flange fixing device is disposed at an inner flange node of the single-pipe tower, and the selection of the inner flange node, that is, the inner flange fixing device is disposed at the inner flange node, may be to test the stress at the selected inner flange node, and to set the inner flange fixing device at the inner flange node whose bearing capacity needs to be improved.
The first fastening member 11 includes N fastening plates, and the N fastening plates are fixedly disposed outside an inner flange node of a pipeline in a pipeline direction of the single pipe tower, that is, the N fastening plates are disposed in parallel with each other. The N fastening plates may be cross sections of the inner flange nodes at the symmetrical centers in the pipeline direction, that is, the N fastening plates have equal lengths in the up and down directions with the cross section of the inner flange node as a starting point, so as to improve the stability of the pipeline at the inner flange node.
In addition, the N fastening plates included in the first fastening component 11 may be made of a carbon fiber material, or may be made of other materials capable of improving the strength of the flange node in the pipeline, which is not limited in this embodiment of the present invention.
It should be noted that, the gap between the N fastening plates may be set according to the actual size of the pipeline, for example: the distance between the above-mentioned fastening plates included in the first fastening part 11 at the node of the inner flange should be 10 mm or more.
It will be appreciated that a certain anchoring length is required in the course of the above-described first fastening part setting, and that the reinforcing effect increases with the above-described increase in the thickness of the first fastening part within a certain range.
The second fastening member 12 includes M fastening tapes, and the M fastening tapes are fixedly disposed on the opposite sides of the N fastening plates facing the single-tube tower in a direction perpendicular to the pipeline of the single-tube tower, that is, the M fastening tapes are fixedly disposed on the outer sides of the N fastening plates, and of course, the M fastening tapes may be disposed by being wound around the fastening plates or being welded to the fastening plates, so that the second fastening member 12 may be disposed according to the actual size and actual requirements of the single-tube tower, and the embodiment of the present invention is not limited thereto.
The M fastening tapes included in the second fastening member 12 may be made of a carbon fiber material, or may be made of other materials having a good fixing effect with the first fastening member 11, and the embodiment of the present invention is not limited thereto.
Referring to fig. 2, fig. 2 is a cross-sectional view of the inner flange fixing device, where the inner diameter of the single-pipe tower, i.e., the wall surface of the interior of the pipeline, the middle diameter of the single-pipe tower is fixed by bolts or other fastening members, and the first fastening member and the second fastening member are disposed at the outer diameter of the single-pipe tower.
Referring to fig. 3, fig. 3 is a partial sectional view of the inner flange fixing apparatus, in which the first fastening member 11 is attached to an outer diameter of a single-pipe tower, and the second fastening member 12 is fixedly installed in a direction perpendicular to a pipeline direction of the single-pipe tower on a side of the first fastening member 11 facing the single-pipe tower, that is, the second fastening member 12 is attached to the first fastening member 11.
In this embodiment, the first fastening member 11 is fixedly disposed at the outer side of the pipeline at the inner flange node of the single pipe tower in the pipeline direction of the single pipe tower, so as to improve the carrying capacity at the inner flange node of the pipeline, and the second fastening member 12 is fixedly disposed at the opposite side of the fastening plate facing the single pipe tower in the pipeline direction perpendicular to the single pipe tower, so as to improve the carrying capacity at the inner flange node of the single pipe tower, and the inner flange fixing device is disposed at the inner flange node corresponding to the single pipe tower, so as to improve the carrying capacity of the inner flange structure.
It should be noted that, the arrangement of the fixing device for the inner flange joint can reduce the maximum tensile force of the bolts of the inner flange joint, for example: through the arrangement of the 1200 mm carbon fiber first fastening part, the maximum tensile force of the bolts at the inner flange joints can be reduced by 20% to 30%, and when the reinforced inner flange joints and the bolts at the unreinforced inner flange joints reach the same tensile force, the load required by the reinforced inner flange joints is 20% to 40% higher than that of the unreinforced joints, namely the bearing capacity is improved by 20% to 40%.
In addition, under the action of larger load, the stress at the carbon fiber plate can reach 300Mpa, which shows that the carbon fiber plate on the tensile side plays an obvious role in sharing the tensile force in the bending process of the cylinder, and under the action of smaller load, the carbon fiber plate is increased, so that the prestress loss of the high-strength bolt can be reduced, and the possibility of fatigue failure is reduced.
As an alternative embodiment, the N fastening plates have the same length in the up-down direction from the cross section where the inner flange node is located.
In this embodiment, the symmetry points of the N fastening plates in the vertical direction are located on the same plane, and the plane is the cross section of the inner flange node, so that the N fastening plates have the same extension length in the up-down direction with the cross section of the inner flange node as the starting point, that is, the N fastening plates have the same installation length in the up-down direction with the cross section of the inner flange node as the starting point. Through the arrangement of the structure, the length of the first fastening part above and below the inner flange joint is equal, and the stability of the inner flange structure is improved.
As an optional implementation manner, the length of the N fastening plates arranged in the up-down direction is greater than or equal to the length of the diameter of the single-tube tower, taking the cross section of the inner flange joint as a starting point.
At the corresponding inner flange joint, the length of the first fastening member arranged in the upper and lower directions at the inner flange joint with the section as a starting point may be obtained by the following formula:
Lc＝max(150t+200，D)
where Lc is a length of one-side extension of the first fastening member, t is a thickness of the first fastening member, and D is a diameter of the cylindrical body in millimeters.
The length of the first fastening member provided in both the upper and lower directions from the cross section at the inner flange joint may be determined by first obtaining a diameter length of the single pipe tower and auxiliary data, wherein the auxiliary data is specifically 150 times a thickness of the first fastening member plus 200, and the unit is a millimeter, and determining a length of the first fastening member extending in one side by comparing the diameter length of the single pipe tower and the size of the auxiliary data, and the specific value is one of the diameter length of the single pipe tower and the larger auxiliary data.
It should be noted that, the bending moment of the first fastening member may be measured by using 300Mpa as a stress, and the bending moment of the first fastening member may be multiplied by a reduction coefficient, which may be 0.8.
In this embodiment, the length of the first fastening member needs to be determined according to the size of the single-pipe tower and the thickness of the fastening member, and similarly, the width of the first fastening member needs to be selected according to the actual situation of the pipeline, the length and the width of the first fastening member should not be too large, the first fastening member with too long length may reduce the stability of the inner flange fixing device for the single-pipe tower, and the first fastening member with too wide width may reduce the stability of the first fastening member when the first fastening member is installed. In the embodiment of the invention, the size of the first fastening part is set, so that the stability of the inner flange structure is improved.
As an alternative embodiment, the M fastening bands are divided into a first group of fastening bands and a second group of fastening bands, wherein the first group of fastening bands are located on the cross section where the inner flange node is located, and the first group of fastening bands are fixedly arranged on the opposite side of the N fastening plates facing the single-pipe tower in a direction perpendicular to the pipeline direction of the single-pipe tower; the second group of fastening belts are positioned below the section where the inner flange joint is positioned, and the second group of fastening belts are fixedly arranged on one side, opposite to the single-pipe tower, of the N fastening plates in a direction perpendicular to the pipeline direction of the single-pipe tower.
The M fastening tapes are divided into the first group of fastening tapes and the second group of fastening tapes, wherein the first group of fastening tapes and the second group of fastening tapes are respectively positioned above and below the section where the inner flange node is positioned, and are fixedly arranged on the opposite sides of the N fastening plates facing the single-pipe tower in a direction perpendicular to the pipeline direction of the single-pipe tower, that is, the first group of fastening tapes and the second group of fastening tapes can be fixed on the outer sides of the fastening plates in a winding or sticking manner.
The number of the first fastening bands and the second fastening bands may be determined according to the length of the fastening plate and the size of the single-tube tower, the number of the second fastening bands and the size of the single-tube tower may be determined according to the length of the fastening plate and the size of the single-tube tower, and the first fastening bands and the second fastening bands may be symmetrically distributed on a cross section where the inner flange joint is located.
In this embodiment, the M fastening bands are divided into the first group of fastening bands and the second group of fastening bands, the first group of fastening bands is located above the cross section where the inner flange joint is located, the second group of fastening bands is located corresponding to the first group of fastening bands, the second group of fastening bands is located below the cross section where the inner flange joint is located, and the first group of fastening bands and the second group of fastening bands are both fixedly arranged on the opposite side of the fastening plate facing the single-tube tower in a direction perpendicular to the pipeline direction of the single-tube tower. The arrangement of the structure improves the stability of the inner flange structure.
As an optional embodiment, the first set of fastening belts includes three fastening belts, which are respectively disposed at a first position, a second position and a third position above the section where the inner flange node is located, and the first set of fastening belts is fixedly disposed at the first position, the second position and the third position of the opposite side of the N fastening plates facing the single-pipe tower in a direction perpendicular to the pipeline direction of the single-pipe tower; the second group of fastening belts comprise three fastening belts which are respectively arranged at a fourth position, a fifth position and a sixth position below the section of the inner flange joint, and the second group of fastening belts are fixedly arranged at the fourth position, the fifth position and the sixth position of one side of the N fastening plates facing to the single-pipe tower in a direction vertical to the pipeline of the single-pipe tower; the first position is arranged at a position above the section where the inner flange node is located at a first distance; the second location is disposed at a second distance below a top of the number of fastening plates; the third position is disposed between the first position and the second position; the fourth position is arranged at a position below the section where the inner flange node is located at a first distance; the fifth position is arranged at a position above the bottoms of the fastening plates by a second distance; the sixth position is disposed between the fourth position and the fifth position.
In this embodiment, the first and second fastening bands are disposed at symmetrical positions with respect to the cross section of the inner flange node, that is, the first position corresponds to the fourth position, the second position corresponds to the fifth position, and the third position corresponds to the sixth position, the first and fourth positions are positions located at a first distance above and below the cross section of the inner flange node, the second and fifth positions are positions located at a second distance from the end of the fastening plate, the third position is located between the first and second positions, and the sixth position is located between the fourth and fifth positions. The setting up of this structure makes the even atress of inner flange fixing device, has improved inner flange fixing device's stable setting, and then has improved the stability to the inner flange structure.
As an optional embodiment, the N fastening plates are arranged in parallel, and a spacing distance between the N fastening plates is greater than or equal to 10 mm.
In this embodiment, the N fastening plates of the first fastening member are arranged in parallel to each other, so that the N fastening plates of the first fastening member are uniformly stressed, thereby improving the stability of the entire inner flange fixing device, and the distance between the N fastening plates is not less than 10 mm, and the distance is set to maintain the inner flange fixing device in the most stable state, so that the stability of the inner flange structure can be improved according to the arrangement of the embodiment of the present invention.
It should be noted that, the spacing distance between the N fastening plates should be greater than or equal to 10 mm, and the spacing distance between the N fastening plates should not be too large, and should be determined and set according to the actual size of the single-tube tower, which is not limited in this embodiment of the present invention.
As an alternative embodiment, the M fastening tapes are of a multilayer structure.
In this embodiment, the M fastening tapes may be of a multi-layer structure, for example: the fastening belt can be made of carbon fiber materials firstly, and then the fastening belt made of the carbon fiber materials is fixed in a manner of being wound on the fastening plate; the fastening tape may also be first made of other flexible fastening material and then fixed by winding it onto the fastening plate. Can make above-mentioned M fastening area be multilayer structure through this mode, improve the fastening effect of above-mentioned M fastening area to above-mentioned N mounting plates through setting up of this structure, and then improved the stability to the inner flange structure.
In addition, the winding or adhering layers of the M fastening tapes can be arranged into three layers.
As an alternative embodiment, the first fastening member is made of a carbon fiber material; the second fastening member is made of a carbon fiber material.
In this embodiment, the first fastening component may be made of a carbon fiber material, the second fastening component may also be made of a carbon fiber material, the carbon fiber material is selected based on the advantage of low density and high strength, and compared with other materials, carbon fiber under the same mass can exhibit high-strength tensile resistance. The embodiment of the invention can improve the bearing capacity of the inner flange structure.
The above-described embodiments should not be construed as limiting the scope of the invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations, and substitutions can be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an inner flange fixing device, sets up in the inner flange node of single-pipe tower, its characterized in that includes: the first fastening part comprises N fastening plates, the N fastening plates are fixedly arranged on the outer side of a pipeline at the node of an inner flange of the single-pipe tower in the pipeline direction of the single-pipe tower, and N is an integer larger than 1;
the second fastening component comprises M fastening belts, the M fastening belts are fixedly arranged on one side, opposite to the single-pipe tower, of the N fastening plates in a direction perpendicular to the pipeline direction of the single-pipe tower, and M is an integer larger than 1.
2. The inner flange fixing device according to claim 1, wherein the N fastening plates are arranged to have equal lengths in both the upper and lower directions, starting from a cross section where the inner flange node is located.
3. The inner flange fixing device according to claim 2, wherein the N fastening plates are arranged in a length greater than or equal to a diameter length of the single-tube tower in two directions from the section of the inner flange joint.
4. The internal flange fixing device according to claim 1, wherein the M fastening belts are divided into a first group of fastening belts and a second group of fastening belts, wherein the first group of fastening belts is located on the section where the internal flange node is located, and the first group of fastening belts are fixedly arranged on the opposite side of the N fastening plates facing the single-pipe tower in a direction perpendicular to the pipeline direction of the single-pipe tower;
the second group of fastening belts are positioned below the section where the inner flange joint is positioned, and the second group of fastening belts are fixedly arranged on one side, opposite to the single-pipe tower, of the N fastening plates in a direction perpendicular to the pipeline direction of the single-pipe tower.
5. The internal flange fixing device according to claim 4, wherein the first set of fastening belts comprises three fastening belts, which are respectively arranged at a first position, a second position and a third position above the section where the internal flange node is located, and the first set of fastening belts are fixedly arranged at the first position, the second position and the third position of the opposite side of the N fastening plates facing the single-pipe tower in a direction perpendicular to the pipeline direction of the single-pipe tower;
the second group of fastening belts comprise three fastening belts which are respectively arranged at a fourth position, a fifth position and a sixth position below the section of the inner flange joint, and the second group of fastening belts are fixedly arranged at the fourth position, the fifth position and the sixth position of one side of the N fastening plates facing to the single-pipe tower in a direction vertical to the pipeline of the single-pipe tower;
the first position is arranged at a position above the section where the inner flange node is located at a first distance;
the second location is disposed at a second distance below a top of the number of fastening plates;
the third position is disposed between the first position and the second position;
the fourth position is arranged at a position below the section where the inner flange node is located at a first distance;
the fifth position is arranged at a position above the bottoms of the fastening plates by a second distance;
the sixth position is disposed between the fourth position and the fifth position.
6. The inner flange fixing device according to claim 1, wherein the N fastening plates are arranged in parallel with each other, and a spacing distance between the plurality of fastening plates is greater than or equal to 10 mm.
7. The inner flange securing apparatus according to claim 1, wherein the M fastening strips are of a multi-layered structure.
8. The internal flange fixture device according to claim 1, wherein the first fastening member is made of a carbon fiber material;
the second fastening member is made of a carbon fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185455.XA CN114508637A (en) | 2022-02-28 | 2022-02-28 | Inner flange fixing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185455.XA CN114508637A (en) | 2022-02-28 | 2022-02-28 | Inner flange fixing device |
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| CN114508637A true CN114508637A (en) | 2022-05-17 |
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| CN202210185455.XA Pending CN114508637A (en) | 2022-02-28 | 2022-02-28 | Inner flange fixing device |
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| CN113152975A (en) * | 2021-04-22 | 2021-07-23 | 上海邮电设计咨询研究院有限公司 | Inner flange single-pipe tower with reinforced structure |
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| CN103899120A (en) * | 2012-12-29 | 2014-07-02 | 江苏北洋通讯设备有限公司 | Communication tower body with inner flanges |
| CN105626388A (en) * | 2016-03-09 | 2016-06-01 | 太原重工股份有限公司 | Tower drum and drum section thereof |
| DE102017120488A1 (en) * | 2017-09-06 | 2019-03-07 | Nordex Energy Gmbh | Tower of a wind energy plant and longitudinal reinforcement for a tower of a wind energy plant |
| CN110067256A (en) * | 2019-05-05 | 2019-07-30 | 南京林业大学 | A kind of constraint reinforcing type bamboo steel pipe structure |
| CN211143938U (en) * | 2019-06-18 | 2020-07-31 | 电联工程技术股份有限公司 | Single-pipe internal climbing flange connecting tower node reinforcing device |
| CN111075246A (en) * | 2020-01-09 | 2020-04-28 | 电联工程技术股份有限公司 | Flange joint reinforcing apparatus of tower |
| CN113152975A (en) * | 2021-04-22 | 2021-07-23 | 上海邮电设计咨询研究院有限公司 | Inner flange single-pipe tower with reinforced structure |
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