Fabricated suspended ceiling
By using fixed connections of web plates and flange plates at the radial and circumferential beam nodes of the prefabricated ceiling, the problem of insufficient load-bearing capacity in the existing technology is solved, achieving stability under seismic conditions and simplifying the hoisting process.
Patent Information
- Application Number
- CN202520522328.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing prefabricated ceilings use hinged connections at the joints where circumferential and radial beams intersect, which cannot provide sufficient load-bearing capacity, especially under seismic conditions, and cannot meet strength requirements.
Both radial and circumferential beams are made of cross-sectional profiles with webs and flanges. The webs and flanges are fixedly connected at the nodes by connectors to provide horizontal and vertical load-bearing capacity. The curvature can be adjusted by adjusting the angle between the circumferential and radial beams, which simplifies the hoisting process.
It improves the load-bearing capacity of prefabricated ceilings, enabling them to remain stable in the event of an earthquake, and simplifies the hoisting process.
Smart Images
Figure CN223907747U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engineering structure technical field especially relates to a fabricated ceiling. BACKGROUND
[0002] The fabricated ceiling is an important engineering structure, which utilizes an existing ceiling structure, adopts a hanger to hoist a frame beam at the bottom of a base top frame, forms a ring-shaped frame by the frame beam, and covers a corrugated plate on the ring-shaped frame to form a final fabricated ceiling. The fabricated ceiling is often used for hoisting above a storage tank and installing thermal insulation materials to insulate heat transfer between the inside and outside of the storage tank. The ring-shaped frame of the prior art is formed by a plurality of ring beams and radial beams connected to each other, and a hinged connection is generally used at the connection nodes of the ring beams and the radial beams, so that the ring beams can be flexibly used to form a circular arc. However, the hinged connection cannot provide sufficient bearing capacity, especially under seismic conditions, so that the fabricated ceiling cannot meet the strength requirement. SUMMARY
[0003] To solve at least one of the above problems, the utility model provides a fabricated ceiling.
[0004] Specifically, the utility model is implemented by the following technical solutions:
[0005] The utility model embodiment provides a fabricated ceiling, which comprises a hanger and a frame beam, the hanger hoists the frame beam at the bottom of a base top frame, the frame beam comprises radial beams, ring beams and connecting pieces, the radial beams and the ring beams are connected to each other to form a ring-shaped frame, the radial beams and the ring beams both adopt a cross section profile formed by a web plate and a wing plate, at the connection nodes of the radial beams and the ring beams, the connecting pieces are respectively connected to the web plates of the radial beams and the ring beams in correspondence, and the connecting pieces are respectively connected to the wing plates of the radial beams and the ring beams in correspondence.
[0006] In some embodiments, the ring beams are arranged in at least two layers in the radial direction of the ring-shaped frame, the end portions of the ring beams abut against the radial beams to be connected to each other, or the end portions of the radial beams abut against the ring beams to be connected to each other.
[0007] In some embodiments, at the connection nodes of the radial beams and the ring beams, the wing plates of the radial beams and the ring beams are aligned in the height direction.
[0008] In some embodiments, at the connection nodes of the radial beams and the ring beams, the radial beams or the ring beams form notches at the connection nodes to make the web plates of the radial beams and the ring beams abut in correspondence.
[0009] In some embodiments, the connecting pieces adopt angle plates, and the two connecting surfaces of the angle plates are respectively connected to the web plates of the radial beams and the ring beams in correspondence.
[0010] In some embodiments, the connecting piece is a flat plate fixedly connected inside or outside the wing plate of the radial beam and the ring beam.
[0011] In some embodiments, the hanger is arranged at least at multiple radial positions of the radial beam, wherein the hanger arranged on the radial beam near the edge region of the ring frame adopts a section steel.
[0012] In some embodiments, the hanger arranged on the radial beam away from the edge region of the ring frame adopts a round steel or a section steel.
[0013] In some embodiments, the adjacent hangers are connected in a V-shaped cable-stayed manner.
[0014] In some embodiments, the radial beam comprises a primary radial beam and a secondary radial beam, the primary radial beam and the secondary radial beam are arranged along the circumference of the ring frame, and the ring beam is arranged at least in two layers along the radial direction of the ring frame, wherein the primary radial beam extends between the center of the ring frame and the outermost ring beam, each layer of the ring beam is discontinuously abutted on both sides of the primary radial beam, and the secondary radial beam extends only between different layers of the ring beam and is abutted on the side of the ring beam at the end close to the center of the ring frame.
[0015] According to the embodiments of the utility model, the section profile with a web plate and a wing plate is selected as the radial beam and the ring beam, at the mutual connection position of the radial beam and the ring beam, the web plates of the radial beam and the ring beam are fixedly connected correspondingly through the connecting piece, thereby sufficient horizontal bearing capacity is provided between the radial beam and the ring beam, and the wing plates of the radial beam and the ring beam are fixedly connected correspondingly, thereby sufficient vertical bearing capacity is provided between the radial beam and the ring beam; at the same time, the arc of the ring frame can be flexibly adjusted by only adjusting the horizontal angle of mutual abutment of the ring beam and the radial beam, and the bearing capacity of the ring frame is not adversely affected, and the hoisting process is also simplified.
[0016] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS
[0017] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the application and, together with the specification, serve to explain the principles of the application.
[0018] Figure 1 is a partial view of the ring frame in the first embodiment of the utility model;
[0019] Figure 2 is Figure 1 is a partial enlarged view of an embodiment at A in the ring frame;
[0020] Figure 3 is Figure 2View in direction I-I-II of Fig. 1;
[0021] Figure 4 is Figure 1 Partial enlarged view in another embodiment at B;
[0022] Figure 5 is Figure 4 View in direction II-II-II of Fig. 1;
[0023] Figure 6 is Figure 1 Partial enlarged view in another embodiment at A;
[0024] Figure 7 is Figure 6 View in direction I-I-II of Fig. 1;
[0025] Figure 8 is Figure 1 Partial enlarged view in another embodiment at B;
[0026] Figure 9 is Figure 8 View in direction II-II-II of Fig. 1;
[0027] Figure 10 is a partial schematic view of the boom in the first embodiment of the present application.
[0028] Reference signs:
[0029] 11: inner ring beam; 12: outer ring beam; 21: main radial beam; 22: secondary radial beam; 31: web plate; 32: wing plate; 41: corner plate; 42: flat plate; 51: first boom; 52: second boom. DETAILED DESCRIPTION
[0030] The present application will now be discussed with reference to a number of embodiments. It should be appreciated that these embodiments are discussed merely to provide a better understanding of, and thus to facilitate the implementation of, the present application, and are not intended to suggest any limitation as to the scope of the present application.
[0031] As used herein, the term "includes" and its variants are to be read as open-ended terms that mean "includes, but is not limited to"; the term "embodiment" and "one embodiment" are to be read as "at least one embodiment"; the term "another embodiment" is to be read as "at least one other embodiment"; the term "first", "second", etc. can refer to different or identical objects; the term "set" is not limited to direct or indirect connection, nor to a specific connection manner. Other explicit and implicit definitions can also be included below.
[0032] Specific numerical values or ranges may be mentioned in the following description. It should be understood that these values and ranges are merely exemplary and may be helpful in putting the ideas of this invention into practice. However, the description of these examples is not intended to limit the scope of this invention in any way. These values or ranges may be set differently depending on the specific application scenario and requirements.
[0033] As mentioned above, the existing circumferential and radial beams are connected by hinges, which cannot provide sufficient load-bearing capacity. The prefabricated ceiling proposed in the embodiments of this utility model at least partially solves the above-mentioned problems. The following will refer to... Figures 1-10 This invention describes the structure and working principle of a prefabricated ceiling according to an exemplary embodiment of the present invention. The prefabricated ceiling of this embodiment mainly includes hangers, frame beams, and connectors. Multiple frame beams are interconnected to form a ring frame. Multiple hangers suspend the frame beams at the bottom of the foundation frame. The frame beams can be classified as radial beams and circumferential beams according to their arrangement direction. The radial beams are arranged along the radial direction of the ring frame, and the circumferential beams are arranged along the circumferential direction of the ring frame. The radial beams and circumferential beams are fixedly connected at their contact points by connectors. Those skilled in the art will understand that the prefabricated ceiling of this embodiment can be used for tank engineering structures in any scenario. For ease of description, the following description uses a prefabricated ceiling for a large LNG storage tank as an example.
[0034] Unlike existing technologies, in this embodiment of the invention, both the radial and circumferential beams are profiles with cross-sectional shapes of webs 31 and flanges 32. For example, the radial and circumferential beams can be I-beams or T-beams. I-beams can be fixedly connected to each other, as can I-beams and T-beams, or T-beams and T-beams, according to the method of this invention. Through connectors, the webs 31 corresponding to the radial and circumferential beams are fixedly connected to each other, and the flanges 32 corresponding to the radial and circumferential beams are also fixedly connected to each other. Since the webs 31 extend vertically, the fixed connection between corresponding webs 31 provides sufficient horizontal load-bearing capacity for the radial and circumferential beams. Simultaneously, since the flanges 32 extend horizontally, the fixed connection between corresponding flanges 32 provides sufficient vertical load-bearing capacity for the radial and circumferential beams, thereby enabling the prefabricated ceiling to possess sufficient load-bearing strength to withstand earthquakes.
[0035] As an example, such as Figure 1As shown, the frame beams are divided into main radial beams 21, secondary radial beams 22, inner circumferential beams 11, and outer circumferential beams 12. The main radial beams 21 extend between the center of the annular frame and the outermost circumferential beams, connecting with all the circumferential beams during their extension. The secondary radial beams 22 extend only between different layers of circumferential beams; that is, one end of the secondary radial beams 22 starts at a certain circumferential beam position and does not extend to the center of the annular frame. The end of the secondary radial beams 22 near the center of the annular frame abuts against the circumferential beam side, while the end away from the center can abut against the outermost circumferential beam side, or the outermost circumferential beam can intermittently abut against the secondary radial beam side. It should be noted that the inner circumferential beams 11 and 12 are only descriptions of their relative positions. Figure 1 Only a partial schematic diagram of the ring frame is shown, which only illustrates two layers of circumferential beams, while the entire ring frame has multiple layers of circumferential beams.
[0036] exist Figure 1 In this embodiment, the inner circumferential beam 11 and the outer circumferential beam 12 are arranged radially at intervals along the ring frame. For example, the inner circumferential beam 11 and the outer circumferential beam 12 can be curved profiles, with the curvature of the profile matching the curvature of the ring frame. In another example, the inner circumferential beam 11 and the outer circumferential beam 12 can be straight profiles, requiring the angle between two adjacent straight profiles to define the curvature of the ring frame. In this case, the embodiment of this invention allows for convenient angle adjustment while maintaining unaffected load-bearing capacity.
[0037] In one embodiment, the ends of two adjacent circumferential beams abut against both sides of the radial beam. Figure 1 (At point A in the middle), the angle can be adjusted through this connecting node. For example... Figure 1 As shown, the inner circumferential beam 11 and the outer circumferential beam 12 are both connected to both sides of the main radial beam 21, and the outer circumferential beam 12 is also connected to both sides of the secondary radial beam 22.
[0038] In one embodiment, both the circumferential beam and the radial beam are made of I-beam profiles, such as... Figure 4 and Figure 5 As shown, two outer circumferential beams 12 abut against both sides of the main radial beam 21. The flange 32 of the outer circumferential beam 12 abuts against the flange 32 of the main radial beam 21 and is at the same height. The connecting member is a flat plate 42, which is fixedly attached to the inside of the flange 32 (lower part of the figure). In another embodiment, the outer circumferential beam 12 and the flange 32 of the main radial beam 21 can be at different heights. In this case, for example, the flange 32 of the outer circumferential beam 12 can extend into the inside of the flange 32 of the main radial beam 21, and the two can also be fixedly connected by the flat plate 42.
[0039] For example, the plate 42 can also be attached and fixed from the outside of the wing plate 32 (not shown in the figure). For example, the plate 42 can be fixed only to the single wing plate 32 of the "I" profile, or it can be fixed to the double wing plate 32 of the "I" profile.
[0040] In one embodiment, such as Figure 5 As shown, a notch can be formed in the flange 32 at the connection between the circumferential beam and the radial beam, so that while the flanges 32 of the circumferential beam and the radial beam abut against each other, the web 31 of the outer circumferential beam 12 can also extend into and abut against the side of the web 31 of the main radial beam 21, thereby improving the connection strength. In another embodiment, the aforementioned notch may not be formed. In this case, although the flanges 32 of the circumferential beam and the radial beam abut against each other, there is a gap between their webs 31.
[0041] In one embodiment, the outer circumferential beam 12 and the web 31 of the main radial beam 21 are at an angle to each other, and a corner plate 41 with a corresponding angle is used as a connector. The two connecting surfaces of the corner plate 41 are fixedly connected to the web 31 of the outer circumferential beam 12 and the main radial beam 21, respectively. For example, the outer circumferential beam 12 and the web 31 of the main radial beam 21 are orthogonal to each other, and the corresponding corner plate 41 is a right-angle plate 41. In another example, the outer circumferential beam 12 and the web 31 of the main radial beam 21 form an acute angle, and an acute-angle corner plate 41 is used for fixed connection.
[0042] In one embodiment, such as Figure 2 and Figure 3 As shown, one end of the secondary radial beam 22 abuts against the inner circumferential beam 11. The secondary radial beam 22 and the flange 32 on the inner circumferential beam 11 are fixedly connected by a flat plate 42. The secondary radial beam 22 and the web 31 on the inner circumferential beam 11 are fixedly connected by a corner plate 41.
[0043] In one embodiment, both the circumferential beam and the radial beam are made of T-shaped profiles, such as... Figures 6-9 As shown, the fixed connection method between the circumferential beam and the radial beam using "T" profiles is similar to that of the "I" profile case. It should be noted that the arrangement direction of the "T" profiles in the secondary radial beam 22 and the inner circumferential beam 11 can be the same or opposite. For example... Figure 9As shown, the "T" profile of the secondary radial beam 22 is arranged in the opposite direction to the "T" profile of the inner circumferential beam 11. That is, the flanges 32 of the "T" profiles of the secondary radial beam 22 and the inner circumferential beam 11 are fitted together, while the free ends of the web 31 extend in opposite directions. In this case, the cross-sectional dimensions of the connected profiles are increased, thereby improving the load-bearing strength of the connection node. Although there is no fixed connection between the secondary radial beam 22 and the web 31 of the inner circumferential beam 11, the increased cross-sectional dimensions can compensate for the decrease in horizontal load-bearing capacity caused by the lack of a fixed connection to the web 31. Those skilled in the art will understand that when the circumferential beam and the radial beam use "I" profiles, two "I" profiles can also be stacked to increase the cross-sectional dimensions of the connection node.
[0044] In one embodiment, the upper end of the hanger is connected to the top structure of the foundation, and the lower end of the hanger is suspended at multiple radial positions on the radial beam. The hangers suspended on the radial beam near the edge of the annular frame are made of structural steel, which provides greater load-bearing strength as the edge area bears a larger load. For example, the structural steel can be angle steel, T-shaped steel, I-shaped steel, flat steel, square steel, channel steel, or other steel with good mechanical strength.
[0045] In one embodiment, round steel is used for the lifting rods on the radial beam in areas not near the edge of the annular frame. Since these areas bear relatively smaller loads, round steel is sufficient to meet strength requirements, reducing material costs. In another embodiment, structural steel can also be used as lifting rods in areas not near the edge of the annular frame.
[0046] In one embodiment, such as Figure 10 As shown, at least in the hangers used near the edge of the annular frame, adjacent hangers are connected by a “V”-shaped diagonal bracing method. Between the vertically extending first hangers 51, the diagonally connected second hangers 52 form a continuous positive “V” and inverted “V” shape. Based on the fixed connection method of the web plate 31 and wing plate 32 in this utility model embodiment, the “V”-shaped connection method is used to prevent the ceiling from rotating as a whole.
[0047] The description of the embodiments herein, including any references to directions and orientations, is for ease of description only and should not be construed as limiting the scope of protection of this utility model. The description of preferred embodiments involves combinations of features, which may exist independently or in combination; this utility model is not particularly limited to the preferred embodiments. The scope of this utility model is defined by the claims.
[0048] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A fabricated ceiling comprising a hanger and a frame beam, the hanger hoisting the frame beam at the bottom of a base top frame, characterized in that, The frame beam comprises radial beams, hoop beams and connecting pieces, the radial beams and the hoop beams are connected to each other to form a ring-shaped frame, the radial beams and the hoop beams are both sectional profiles composed of webs and flanges, at the connection position of the radial beams and the hoop beams, the connecting pieces are respectively connected to the webs of the radial beams and the hoop beams, and the connecting pieces are respectively connected to the flanges of the radial beams and the hoop beams.
2. The assembled ceiling according to claim 1, characterized in that, The hoop beams are arranged in at least two layers in the radial direction of the ring-shaped frame, and the end portions of the hoop beams abut against the radial beams or the end portions of the radial beams abut against the hoop beams to be connected to each other.
3. The assembled ceiling according to claim 1, characterized in that, At the connection position of the radial beams and the hoop beams, the flanges of the radial beams and the hoop beams are aligned in the height direction.
4. The fabricated ceiling of claim 1, wherein, At the connection position of the radial beams and the hoop beams, the radial beams or the hoop beams are formed with notches at the connection position to make the webs of the radial beams and the hoop beams abut against each other.
5. The assembled ceiling of claim 1, wherein, The connecting pieces are angle plates, and the two connecting surfaces of the angle plates are respectively connected to the webs of the radial beams and the hoop beams.
6. The assembled ceiling of claim 1, wherein, The connecting pieces are flat plates, and the flat plates are fixedly connected to the inner sides or the outer sides of the flanges of the radial beams and the hoop beams.
7. The assembled ceiling of claim 1, wherein, The suspending rods are arranged at least at multiple radial positions of the radial beams, wherein the suspending rods arranged on the radial beams and close to the edge regions of the ring-shaped frame are made of sectional steel.
8. The assembled ceiling according to claim 7, characterized in that, The suspending rods arranged on the radial beams and not close to the edge regions of the ring-shaped frame are made of round steel or sectional steel.
9. The fabricated ceiling of claim 1, wherein, The adjacent suspending rods are connected in a "V"-shaped diagonal manner.
10. The fabricated ceiling of claim 1, wherein, The radial beams comprise main radial beams and secondary radial beams, the main radial beams and the secondary radial beams are arranged in a spaced manner along the circumferential direction of the ring-shaped frame, and the hoop beams are arranged in at least two layers in the radial direction of the ring-shaped frame, wherein the main radial beams extend between the center of the ring-shaped frame and the outermost hoop beams, each layer of the hoop beams is intermittently connected to the main radial beams on both sides, and the secondary radial beams extend only between different layers of the hoop beams and are connected to the hoop beams at the end portions close to the center of the ring-shaped frame.