CN214943905U - Multi-cavity combined bottom beam and cantilever door using same - Google Patents
Multi-cavity combined bottom beam and cantilever door using same Download PDFInfo
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- CN214943905U CN214943905U CN202120797994.XU CN202120797994U CN214943905U CN 214943905 U CN214943905 U CN 214943905U CN 202120797994 U CN202120797994 U CN 202120797994U CN 214943905 U CN214943905 U CN 214943905U
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- bottom beam
- fixed
- beam body
- section bar
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Abstract
The utility model discloses a multi-cavity combined bottom beam, which comprises a bottom beam body and a fixed section bar; the two side walls of the bottom beam body along the length direction of the bottom beam body are wrapped with the fixed sectional materials, the bottom beam body is tightly connected with the fixed sectional materials, and the fixed sectional materials extend along the length direction of the bottom beam body; the fixed section bar is internally provided with a plurality of reinforcing beams, the reinforcing beams divide the inside of the fixed section bar into a plurality of cavities, and heat insulation materials are filled in the cavities. Also discloses a cantilever door using the multi-cavity combined bottom beam, which comprises a portal frame, a machine head and a door body. The multi-cavity combined bottom beam and the cantilever door using the same have the advantages that heat radiation is blocked by the heat insulation material, the problem that the bottom beam body is bent and deformed due to expansion caused by heat and contraction caused by cold is solved, and therefore the cantilever door can be normally opened or closed.
Description
Technical Field
The utility model relates to a cantilever door technical field, especially a multi-chamber combination floorbar and use its cantilever door.
Background
The cantilever door is a device for opening or closing the entrance and exit of large-scale places such as various enterprises, factories and the like, and is widely applied because the cantilever door is suspended and translated above the ground without laying a track, is not limited by underground cables and sewer manhole covers, and is not afraid of rolling compaction of crawler engineering vehicles and heavy trucks. The core part of the cantilever door is a bottom beam which provides a strong rigid foundation for the whole door body, so that the door can be suspended in the air.
However, in the existing cantilever door, the bottom beam is made of a steel plate through cold bending forming, and is easy to deform when being heated in use. In the morning or afternoon, there is solar irradiation on one side of cantilever door, and the opposite side does not have solar irradiation, and there is the difference in temperature by the one side of solar irradiation and the opposite side of not being irradiated by the sun, because expend with heat and contract with cold, the floorbar will take place bending deformation, leads to the cantilever door can't normally open or close.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to provide a multi-chamber combination floorbar and use its cantilever door, heat radiation quilt thermal insulation material blocks, has solved the floorbar body because expend with heat and contract with cold and bending deformation's problem to enable the cantilever door and normally open or close.
To achieve the purpose, the utility model adopts the following technical proposal: a multi-cavity combined bottom beam comprises a bottom beam body and a fixed profile;
the two side walls of the bottom beam body along the length direction of the bottom beam body are wrapped with the fixed sectional materials, the bottom beam body is tightly connected with the fixed sectional materials, and the fixed sectional materials extend along the length direction of the bottom beam body;
the fixed section bar is internally provided with a plurality of reinforcing beams, the reinforcing beams divide the inside of the fixed section bar into a plurality of cavities, and heat insulation materials are filled in the cavities.
It is worth mentioning that the lower end of the fixing profile extends downwards and has a lower height than the sill body.
Optionally, the reinforcing beam is horizontally arranged inside the fixed profile, and two ends of the reinforcing beam are respectively and vertically and fixedly connected with two side walls of the fixed profile.
Specifically, the fixed section bar is kept away from the lateral wall of floorbar body has seted up a plurality of mounting grooves, mounting groove follows the length direction of fixed section bar extends, every along mounting groove's length direction has all seted up a plurality of installation screws, fixed section bar with between the floorbar body through the screw with installation screw fixed connection.
Preferably, the open end of the mounting groove is detachably provided with a groove cover, and the groove cover extends along the length direction of the mounting groove.
It is worth mentioning that the opening end of the mounting groove is provided with a guide rail, the guide rail extends along the length direction of the mounting groove, and the groove cover is connected with the guide rail in a sliding manner.
Optionally, the fixing section is divided into an upper fixing part and a lower fixing part, and the upper fixing part and the lower fixing part are connected in a buckling manner;
a plurality of reinforcing beams are formed inside the upper fixing part and the lower fixing part, the reinforcing beams divide the inside of the upper fixing part and the inside of the lower fixing part into a plurality of cavities, and heat insulation materials are filled in the cavities;
the upper fixing part and the lower fixing part are respectively provided with a plurality of mounting grooves;
the lower end of the lower fixing part extends downwards and is lower than the bottom beam body in height.
Specifically, a cantilever door uses a multi-chamber combination floorbar, including portal frame, aircraft nose and the door body, multi-chamber combination floorbar set up in the bottom of the door body leaves ground, the door body with portal frame sliding connection, the aircraft nose install in the portal frame, the aircraft nose drive the door body for portal frame horizontal migration.
The utility model has the advantages that: in the multi-chamber combination floorbar, because it has thermal insulation material to fill in the cavity of fixed section bar, when the sun shines keeping away from of fixed section bar during one side of floorbar body, thermal radiation can by thermal insulation material in the cavity blocks, and thermal radiation is difficult to transmit fixed section bar with floorbar body zonulae occludens's opposite side to guarantee that the floorbar body can not receive thermal radiation's influence and lead to warping.
The reinforcing beam is used for improving the strength of the fixed sectional material, so that the strength of the multi-cavity combined bottom beam is improved, a rigid foundation is provided for the cantilever door, the thickness of the plate surface of the fixed sectional material can be designed to be light and thin, and the phenomenon that the load on the bottom beam body is overlarge is avoided. The structure with the cavities can conveniently fill the heat insulation materials, can avoid the situation that the heat insulation materials are deviated to one side of the cavities when only one cavity is used, and can also block heat from being transferred in the height direction of the fixed sectional material.
Drawings
FIG. 1 is a front view of a multi-cavity composite bottom beam according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the portion circled by the dotted line A in the embodiment of FIG. 1;
fig. 3 is a front view of a fixing profile in an embodiment of the invention;
FIG. 4 is a schematic view of a multi-cavity composite bottom beam according to an embodiment of the present invention;
wherein: 1, a bottom beam body; 2 fixing the section bar; 21 a cavity; 22 reinforcing the beam; 23 installing a groove; 24, a groove cover; 25 guide rails; 26, an upper fixing part; 27 lower fixing part.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A multi-cavity combined bottom beam according to an embodiment of the present invention is described below with reference to fig. 1 to 4, which includes a bottom beam body 1 and a fixing profile 2;
the two side walls of the bottom beam body 1 along the length direction of the bottom beam body are wrapped with the fixed sectional materials 2, the bottom beam body 1 is tightly connected with the fixed sectional materials 2, and the fixed sectional materials 2 extend along the length direction of the bottom beam body 1;
a plurality of reinforcing beams 22 are formed inside the fixed profile 2, the plurality of reinforcing beams 22 divide the inside of the fixed profile 2 into a plurality of cavities 21, and the cavities 21 are filled with a heat insulating material.
In the multi-cavity combined bottom beam, the cavity 21 of the fixed profile 2 is filled with the thermal insulation material, when the sun irradiates on one side of the fixed profile 2 far away from the bottom beam body 1, the thermal radiation can be blocked by the thermal insulation material in the cavity 21, and the thermal radiation is difficult to be transmitted to the other side of the fixed profile 2 tightly connected with the bottom beam body 1, so that the bottom beam body 1 is ensured not to be influenced by the thermal radiation to cause deformation.
The reinforcing beam 22 is used for improving the strength of the fixed profile 2, so that the strength of the multi-cavity combined bottom beam is improved, a rigid foundation is provided for the cantilever door, the thickness of the plate surface of the fixed profile 2 can be designed to be light and thin, and the excessive load on the bottom beam body 1 is avoided. The structure of providing a plurality of cavities 21 can facilitate filling of the heat insulating material, and can prevent the heat insulating material from deviating to one side of the cavity 21 when only one cavity 21 exists, thereby causing heat insulation imbalance, and can also block heat from being transferred in the height direction of the fixed profile 2.
In some embodiments, the lower end of the fixing profile 2 extends downwards and its height is lower than the sill body 1.
Because the height of the lower end of the fixed section bar 2 is lower than that of the bottom beam body 1, the bottom beam body 1 can be protected in all directions, the bottom of the bottom beam body 1 can be prevented from being influenced by heat radiation, and the bottom beam body 1 and the fixed section bar 2 can be installed conveniently. When the fixing section bar 2 is installed, the fixing section bar can be directly used after being fixed on two side walls of the bottom beam body 1.
It should be noted that the reinforcing beam 22 is horizontally disposed inside the fixed profile 2, and two ends of the reinforcing beam 22 are respectively and vertically and fixedly connected with two side walls of the fixed profile 2.
The reinforcing beam 22 with the above structure can improve the supporting force of the two side walls of the fixing section bar 2, further improve the strength of the fixing section bar 2, and further improve the strength of the multi-cavity combined bottom beam.
Optionally, as shown in fig. 2 and 4, a plurality of mounting grooves 23 are formed in a side wall of the fixing profile 2, the side wall is away from the bottom beam body 1, the mounting grooves 23 extend along a length direction of the fixing profile 2, a plurality of mounting screw holes are formed in each mounting groove 23 along the length direction of the mounting groove 23, and the fixing profile 2 and the bottom beam body 1 are fixedly connected through screws and the mounting screw holes.
After the screw is locked into the mounting screw hole, compared with the side wall of the fixed section bar 2, the screw head of the screw is positioned in the mounting groove 23 and does not protrude outwards, so that people can be prevented from being scratched when the screw is used. A plurality of mounting screw holes are formed in the mounting groove 23 along the length direction of the mounting groove 23, so that the fixing section bar 2 is fixedly mounted on the bottom beam body 1 and is not easy to drop.
Specifically, the open end of the mounting groove 23 is detachably provided with a slot cover 24, and the slot cover 24 extends along the length direction of the mounting groove 23.
Will behind the screw lock advance corresponding installation screw, through capping 24 will mounting groove 23 covers, capping 24 has dustproof and waterproof's function, can slow down the ageing of screw, extension the life of screw.
Preferably, the open end of the mounting groove 23 is provided with a guide rail 25, the guide rail 25 extends along the length direction of the mounting groove 23, and the slot cover 24 is slidably connected with the guide rail 25.
Because the slot cover 24 is slidably connected with the guide rail 25, the slot cover 24 can be conveniently detached, so that a maintainer can conveniently check the screws in the slot cover 24.
In some embodiments, as shown in fig. 1 and 3, the fixing profile 2 is divided into an upper fixing portion 26 and a lower fixing portion 27, the upper fixing portion 26 and the lower fixing portion 27 are snap-connected;
a plurality of reinforcing beams 22 are formed inside the upper fixing portion 26 and the lower fixing portion 27, the plurality of reinforcing beams 22 divide the inside of the upper fixing portion 26 and the lower fixing portion 27 into a plurality of cavities 21, and the cavities 21 are filled with heat insulating materials;
the upper fixing portion 26 and the lower fixing portion 27 are provided with a plurality of mounting grooves 23;
the lower end of the lower fixing portion 27 extends downward and has a height lower than the bottom sill body 1.
In some embodiments, the fixing profile 2 may be formed integrally, and in other embodiments, the fixing profile 2 may also be divided into an upper fixing portion 26 and a lower fixing portion 27 which are clamped to each other.
Because the upper fixing part 26 and the lower fixing part 27 are connected by a buckle, the height of the fixing section bar 2 can be increased or decreased according to the height of the bottom beam body 1 in actual use, and the installation is convenient. The upper fixing portion 26 and the lower fixing portion 27 can be fixed to the side walls of the bottom beam body 1 through the mounting grooves 23, respectively. Since the lower end of the lower fixing portion 27 is lower than the bottom beam body 1, the bottom of the bottom beam body 1 can be prevented from being affected by heat radiation.
It is worth explaining that, a cantilever door uses a multi-chamber combination floorbar, including portal frame, aircraft nose and the door body, multi-chamber combination floorbar set up in the bottom of the door body leaves ground, the door body with portal frame sliding connection, the aircraft nose install in the portal frame, the aircraft nose drive the door body for portal frame horizontal migration.
Cantilever door has the multi-chamber combination floorbar provides the rigidity basis, and in morning or afternoon, there is solar irradiation cantilever door's one side, and the opposite side does not have when solar irradiation, fixed section bar 2 of multi-chamber combination floorbar is because its cavity 21 intussuseption is filled with thermal insulation material, and the heat radiation quilt thermal insulation material blocks, just can avoid floorbar body 1 is because expend with heat and contract with cold and bending deformation to enable cantilever door and normally open or close.
Other configurations and operations of a multi-chamber composite bottom beam and a cantilever door using the same according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A multi-cavity combined bottom beam is characterized in that: comprises a bottom beam body and a fixed section bar;
the two side walls of the bottom beam body along the length direction of the bottom beam body are wrapped with the fixed sectional materials, the bottom beam body is tightly connected with the fixed sectional materials, and the fixed sectional materials extend along the length direction of the bottom beam body;
the fixed section bar is internally provided with a plurality of reinforcing beams, the reinforcing beams divide the inside of the fixed section bar into a plurality of cavities, and heat insulation materials are filled in the cavities.
2. A multi-cavity composite floor beam according to claim 1, wherein: the lower end of the fixing section bar extends downwards and is lower than the bottom beam body in height.
3. A multi-cavity composite floor beam according to claim 1, wherein: the reinforcing beam is horizontally arranged inside the fixed sectional material, and two ends of the reinforcing beam are respectively and vertically and fixedly connected with two side walls of the fixed sectional material.
4. A multi-cavity composite floor beam according to claim 1, wherein: the fixing section bar is far away from the side wall of the bottom beam body is provided with a plurality of mounting grooves, the mounting grooves extend along the length direction of the fixing section bar, a plurality of mounting screw holes are formed in each mounting groove along the length direction of the mounting groove, and the fixing section bar is fixedly connected with the bottom beam body through screws and the mounting screw holes.
5. A multi-cavity composite floor beam according to claim 4, wherein: the open end of the mounting groove is detachably provided with a groove cover, and the groove cover extends along the length direction of the mounting groove.
6. A multi-cavity composite floor beam according to claim 5, wherein: the open end of mounting groove is equipped with the guide rail, the guide rail is followed mounting groove's length direction extends, the capping with guide rail sliding connection.
7. A multi-cavity composite floor beam according to claim 6, wherein: the fixed section is divided into an upper fixed part and a lower fixed part, and the upper fixed part is connected with the lower fixed part in a buckling manner;
a plurality of reinforcing beams are formed inside the upper fixing part and the lower fixing part, the reinforcing beams divide the inside of the upper fixing part and the inside of the lower fixing part into a plurality of cavities, and heat insulation materials are filled in the cavities;
the upper fixing part and the lower fixing part are respectively provided with a plurality of mounting grooves;
the lower end of the lower fixing part extends downwards and is lower than the bottom beam body in height.
8. A cantilever door employing a multi-cavity composite sill according to any of claims 1 to 7, wherein: including portal frame, aircraft nose and the door body, multi-chamber combination floorbar set up in the bottom of the door body leaves ground, the door body with portal frame sliding connection, the aircraft nose install in the portal frame, the aircraft nose drive the door body for portal frame horizontal migration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797994.XU CN214943905U (en) | 2021-04-19 | 2021-04-19 | Multi-cavity combined bottom beam and cantilever door using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797994.XU CN214943905U (en) | 2021-04-19 | 2021-04-19 | Multi-cavity combined bottom beam and cantilever door using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214943905U true CN214943905U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120797994.XU Active CN214943905U (en) | 2021-04-19 | 2021-04-19 | Multi-cavity combined bottom beam and cantilever door using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214943905U (en) |
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2021
- 2021-04-19 CN CN202120797994.XU patent/CN214943905U/en active Active
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