CN216766484U - Anti-bearing structure of furred ceiling - Google Patents
Anti-bearing structure of furred ceiling Download PDFInfo
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- CN216766484U CN216766484U CN202220056586.3U CN202220056586U CN216766484U CN 216766484 U CN216766484 U CN 216766484U CN 202220056586 U CN202220056586 U CN 202220056586U CN 216766484 U CN216766484 U CN 216766484U
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- connecting rod
- suspended ceiling
- support structure
- adapter
- suspender
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000005034 decoration Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a suspended ceiling anti-support structure which comprises an adapter, a suspender and a connecting rod. The jib is vertical direction setting, the upper and lower downside of adaptor respectively with the one end of jib is connected, jib top one end is connected with the floor, jib below one end is connected with furred ceiling panel. The connecting rod is arranged in the horizontal direction, the left side, the right side, the front side and the rear side of the adapter are respectively connected with one end of the connecting rod, and one end of the connecting rod, which is close to the wall body, is connected with the wall body. The suspended ceiling anti-support structure breaks the overlong (larger than 1.5 m) suspender through the adapter, so that the length of the suspender is not larger than 1.5m, the requirement of vertical suspender deflection is met, and meanwhile, the connecting rod is arranged in the horizontal direction through the adapter and is anchored on a wall body, so that the mechanical requirement of anti-support in the horizontal direction is met. This anti-bearing structure of furred ceiling is when satisfying the mechanical requirement, and the use of the steel that has significantly reduced has reduced the anti-cost that supports of furred ceiling.
Description
Technical Field
The utility model relates to the technical field of suspended ceilings, in particular to a suspended ceiling anti-support structure.
Background
Big space furred ceiling receives ascending thrust or under the effect of burden wind pressure, because long and thin jib rigidity is not enough, can lead to furred ceiling support system to produce upwards or lateral deformation, especially under the earthquake load effect, can lead to furred ceiling support system unbalance, furred ceiling panel unevenness to suffer serious destruction even. The 'acceptance standard for construction quality of architectural decoration project' GB50210 requires that 'when the length of a suspender is more than 1.5m, a counter support is arranged'; the technical code of public building suspended ceiling engineering JGJ345 requires that when the length of the suspender is more than 1.5m, the anti-support is arranged. When the boom length is greater than 2.5m, a steel structure conversion layer "should be provided. The length of the large-space suspended ceiling hanging rod is 3-10 meters, the conversion layer or the anti-support system is made of materials such as angle steel, channel steel and steel pipes, the specification and the model are various, the material is seriously wasted, and the construction period is remarkably prolonged.
Disclosure of Invention
The utility model mainly aims to provide a suspended ceiling anti-support structure, aiming at reducing the cost of suspended ceiling anti-support.
In order to achieve the purpose, the utility model provides a suspended ceiling anti-support structure which comprises an adapter, a suspender and a connecting rod. The jib is vertical direction setting, the upper and lower downside of adaptor respectively with the one end of jib is connected, jib top one end is connected with the floor, jib below one end is connected with furred ceiling panel. The connecting rod is arranged in the horizontal direction, the left side, the right side, the front side and the rear side of the adapter are respectively connected with one end of the connecting rod, and one end of the connecting rod, which is close to the wall body, is connected with the wall body.
Optionally, an internal thread through hole is formed between the upper side surface and the lower side surface of the adapter piece, and grooves are formed in the left side surface, the right side surface, the front side surface and the rear side surface of the adapter piece respectively.
Optionally, the suspender is a full-wire suspender, and the full-wire suspender rotatably penetrates through the internal thread through hole to be connected with the adaptor.
Optionally, a bonding layer is arranged in the groove, and one end of the connecting rod is inserted into the groove and is connected with the adapter through the bonding layer.
Optionally, the adhesive layer is a structural adhesive.
Optionally, the adaptor is cuboid or cuboid.
Optionally, the connecting rod is round steel.
Optionally, the hanger bar is connected to the floor by expansion bolts.
Optionally, the connecting rod is connected with the wall body through an expansion bolt or a chemical anchor bolt.
In the scheme of the utility model, the suspended ceiling reverse support structure cuts off the overlong (more than 1.5 m) suspender through the adapter, so that the length of the suspender is not more than 1.5m, and the requirement of vertical suspender deflection is met, and meanwhile, the adapter is provided with the connecting rod in the horizontal direction and is anchored on a wall body, so that the mechanical requirement of the reverse support in the horizontal direction is met. This anti-bearing structure of furred ceiling is when satisfying the mechanical requirement, and the use of the steel that has significantly reduced has reduced the anti-cost that supports of furred ceiling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a three-dimensional schematic view of an embodiment of an adapter of the present invention;
FIG. 4 is a three-dimensional schematic diagram of an embodiment of the present invention.
Description of reference numerals: 100 an adaptor; 110 an internally threaded through-hole; 120 grooves; 200 a boom; 300 connecting rods; 400 expansion bolts; 500 keel systems; 600 ceiling panel; 700 walls; 800 floor slab; 900 bonding layers.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a suspended ceiling counter support.
In an embodiment of the present invention, as shown in fig. 1, 2, 3 and 4, a suspended ceiling counter-support structure includes an adapter 100, a hanger bar 200, and a link 300. The suspender 200 is arranged in the vertical direction, the upper side and the lower side of the adapter 100 are respectively connected with one end of the suspender 200, the uppermost end of the suspender 200 is connected with the floor slab 800, and the lowermost end of the suspender 200 is connected with the ceiling panel 600. The connecting rod 300 is horizontally arranged, the left side, the right side, the front side and the rear side of the adapter 100 are respectively connected with one end of the connecting rod 300, and one end of the connecting rod 300 close to the wall body 700 is connected with the wall body 700.
The reverse support suspender is a pressure bar, and according to a pressure bar Euler formula:
in the formula, Fcr is critical force, E is compression bar elastic modulus, I is compression bar section moment of inertia, l0Calculate the length for the strut. According to the Euler formula, when the height of the upper space of the suspended ceiling exceeds the length of 1.5m required by the specification, only a horizontal pull node needs to be arranged at the position to ensure that the calculated length of the hanger rod does not exceed the original l0And (4) finishing. When the length of the suspended ceiling suspender is not more than 1.5m, the common suspender is phi 8 round steel, and the section inertia moment is 0.02cm4When the suspended ceiling boom exceeds 1.5m, for example, reaches 3m, the reverse support boom needs to reach 4 times the original section moment of inertia to maintain the original critical force Fcr. If the conventional reversed supporting hanger rod L30 × 3mm angle steel is adopted, the section inertia moment is 1.46cm4The inertia moment of the cross section of the prior phi 8 suspender is 73 times that of the prior phi 8 suspender, thereby causing great waste of materials.
In the scheme of the utility model, the suspended ceiling anti-support structure cuts off the overlong (more than 1.5 m) suspender 200 through the adapter 100, so that the length of the suspender 200 is not more than 1.5m, and the requirement of deflection of the vertical suspender 200 is met, and meanwhile, the adapter 100 is provided with the connecting rod 300 in the horizontal direction and is anchored on the wall body 700, so that the mechanical requirement of anti-support in the horizontal direction is met. This anti-bearing structure of furred ceiling is when satisfying the mechanical requirement, and the use of the steel that has significantly reduced has reduced the anti-cost that supports of furred ceiling.
In one embodiment, an internally threaded through-hole 110 is provided between the upper and lower sides of the adaptor 100, and grooves 120 are provided on the left, right, front, and rear sides of the adaptor 100, respectively.
In one embodiment, the hanger bar 200 is a full-wire hanger bar that is rotatably connected to the adaptor 100 through the internally threaded through-hole 110. The diameter of the full-thread hanger rod can be 6-12 mm, the diameter of the internal thread through hole 110 in the adapter 100 is matched with the diameter of the full-thread hanger rod, and the full-thread hanger rod can penetrate through the internal thread through hole 110 in a long-distance rotating mode and can also be disconnected and inserted into the adapter 100 in an up-and-down rotating mode.
In one embodiment, an adhesive layer 900 is disposed in the groove 120, and one end of the connecting rod 300 is inserted into the groove 120 and connected to the adaptor 100 through the adhesive layer 900.
In one embodiment, the connecting rod 300 is a round steel, the diameter of the round steel can be 4-8 mm, and the groove 120 on the adapter 100 is slightly larger than the diameter of the round steel.
In one embodiment, the bonding layer 900 is a structural adhesive, which has a positive tensile bonding strength of 30MPa or more, can bear a large load, and is resistant to aging, fatigue, and corrosion.
In one embodiment, the adapter 100 is rectangular or cubic. The rectangular or cubic adapter 100 has six sides, which is well suited for implementation of the present solution.
In one embodiment, the hanger bar 200 is connected to the floor slab 800 by expansion bolts 400. The hanger bar 200 may be welded to the threaded end of the expansion bolt 400.
In one embodiment, the connecting rod 300 is connected to the wall 700 by an expansion bolt 400 or a chemical anchor. Expansion bolts 400 or chemical bolts are of the type specification of M8-M24 according to specific space dimensions.
Examples
One room, length =25m, width =16m, ceiling panel height =5 m. Height change of wind pressureCoefficient muz=1.17 (class a, 5m high), wind load size factor μs=0.5 (0.2 for standard enclosed buildings), basic wind pressure w0=0.30KN/m2Coefficient of gust beta at height zgz= 1.53. Then:
negative wind pressure value Wk=βgzμsμzw0=1.53×0.5×1.17×0.30=0.27KN/m2；
Anchoring bolt pullout resistance P =1.2 × 25 × 0.5 × Wk=4.05KN。
In the embodiment, the M16 expansion bolt is adopted to fix the connecting rod, the maximum allowable tension of the M16 expansion bolt is 6.00KN which is more than 4.05KN, and the requirement of the anti-pulling force of the anchor bolt is met.
The installation method of the reverse support suspended ceiling in one embodiment of the utility model comprises the following steps:
and step S1, determining the positions of the expansion bolt 400 of the hanger rod 200 fixed at the bottom of the floor slab 800 and the expansion bolt 400 of the connecting rod 300 fixed on the wall body 700 according to the drawing and the actual situation on the spot.
And step 2, drilling holes at the bottom of the floor slab 800 and the wall body 700 according to the line-releasing position, and installing expansion bolts 400.
And step S3, determining the number of the adapters 100 according to the distance between the ceiling panel 600 and the floor 800, wherein the distance between the adjacent upper and lower adapters 100 is not more than 1.5m, the adapters 100 are in threaded connection with the suspender 200, and the adapters 100 are rotated to the proper position of the suspender 200.
And step S4, welding and fixing the hanger rod 200 with the adapter 100 and the expansion bolt 400 at the bottom of the floor slab 800.
Step S5, the positions of the adapters 100 are adjusted so that each layer of adapters 100 is at the same level. The connecting rod 300 close to the wall 700 has one end connected and fixed with the adaptor 100 and the other end welded and fixed with the expansion bolt 400 of the wall 700. The two ends of the connecting rod 300, which is not close to the wall 700, are respectively connected and fixed with the adaptor 100. The connecting rod 300 has a plurality of stages, and the connecting rod 300 is installed from the top to the bottom.
And step S6, connecting the keel system 500 with the suspension rod 200 through the suspension piece, and connecting the keel system 500 with the suspended ceiling panel 600 to finish the installation of the reverse supporting suspended ceiling.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A suspended ceiling anti-support structure, comprising:
an adapter;
the hanger rod is arranged in the vertical direction, the upper side surface and the lower side surface of the adapter are respectively connected with one end of the hanger rod, the uppermost end of the hanger rod is connected with a floor slab, and the lowermost end of the hanger rod is connected with a ceiling panel;
the connecting rod, the connecting rod is the horizontal direction setting, the left and right, preceding, the trailing flank of adaptor respectively with the one end of connecting rod is connected, the one end that the connecting rod is close to the wall body with the wall body is connected.
2. A suspended ceiling counter support structure as claimed in claim 1, wherein an internally threaded through hole is provided between the upper and lower sides of the adaptor, and recesses are provided in the left, right, front and rear sides of the adaptor respectively.
3. The suspended ceiling inverted support structure of claim 2, wherein the hanger bar is an all-wire hanger bar that is rotated through the internally threaded through-hole to connect with an adapter.
4. A suspended ceiling counter support structure as claimed in claim 2, wherein an adhesive layer is provided in the recess, and one end of the tie rod is inserted into the recess and connected to the adapter by the adhesive layer.
5. A suspended ceiling counter support structure as claimed in claim 4, wherein the adhesive layer is a structural adhesive.
6. A suspended ceiling counter support structure as claimed in claim 2, wherein the adaptor is cuboid or cuboidal in shape.
7. A suspended ceiling counter support structure as claimed in claim 1, wherein the tie bar is round steel.
8. A suspended ceiling counter support structure as claimed in claim 1, wherein the hanger bar is connected to the floor by expansion bolts.
9. A suspended ceiling counter support structure as claimed in claim 1, wherein the tie bars are connected to the wall by expansion bolts or chemical anchors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220056586.3U CN216766484U (en) | 2022-01-11 | 2022-01-11 | Anti-bearing structure of furred ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220056586.3U CN216766484U (en) | 2022-01-11 | 2022-01-11 | Anti-bearing structure of furred ceiling |
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| Publication Number | Publication Date |
|---|---|
| CN216766484U true CN216766484U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220056586.3U Expired - Fee Related CN216766484U (en) | 2022-01-11 | 2022-01-11 | Anti-bearing structure of furred ceiling |
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| Country | Link |
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| CN (1) | CN216766484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233891A (en) * | 2022-07-28 | 2022-10-25 | 中建科工集团有限公司 | Support device and ceiling mounting method thereof |
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2022
- 2022-01-11 CN CN202220056586.3U patent/CN216766484U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233891A (en) * | 2022-07-28 | 2022-10-25 | 中建科工集团有限公司 | Support device and ceiling mounting method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |