CN211201703U - Large cantilever door - Google Patents

Abstract

The utility model discloses a large-scale cantilever door, including gatepost, cantilever door main part comprises upper beam, floorbar, both sides roof beam to and connect the stand between upper beam and floorbar and constitute, its characterized in that its axial fixedly connected with square girder steel is followed to the floorbar both sides, the correspondence of square girder steel top is provided with a plurality of groups and supports the riser, it is right trapezoid to support the riser, wherein support the base of riser with square girder steel fixed connection, the stile with stand fixed connection. The utility model discloses structural strength is big, the base girder is difficult for bending deformation.

Description

Large cantilever door

Technical Field

The utility model relates to a door technical field specifically relates to a large-scale cantilever door.

Background

The cantilever door is a door which is free of wheels, contacts the ground, runs tracks, and is suspended to move without pre-buried guide rails. At present, a door body of a cantilever door is generally formed by connecting an upright post with a door frame, the door frame is formed by an upper beam, a bottom beam and two side beams, and the upright post is connected between the upper beam and the bottom beam through a screw. Generally, the upright post is of a hollow structure, the bottom end of the upright post is sealed, a screw hole is formed in the bottom end of the upright post, and the upright post is fixed between the upper beam and the bottom beam through a screw, so that the structure is simple.

In the prior art, the bottom beam of the cantilever door is mostly made of aluminum alloy. For the cantilever door applied to a large factory building or a warehouse and with the total length of more than 30 meters, the support strength of the aluminum alloy bottom beam is difficult to meet the use requirement, and particularly, when the sun is directly irradiated, the bending deformation phenomenon can occur under the influence of thermal expansion and cold contraction.

Disclosure of Invention

The utility model aims at solving the defects of the prior art, providing a large cantilever door which has large structural strength, is suitable for a door opening with more than 30 meters and effectively prevents the bending deformation of a bottom beam.

The utility model discloses an adopt following technical solution to realize above-mentioned purpose:

a large cantilever door comprises a door post and a cantilever door main body arranged on the door post, wherein the cantilever door main body consists of an upper beam, a bottom beam, two side beams and a stand column connected between the upper beam and the bottom beam.

More preferably, the bottom beam is a single extruded aluminum profile, and the square steel beams on the two sides of the bottom beam are connected end to end.

More preferably, a main cavity arranged along the axial direction is arranged in the bottom beam, and a plurality of auxiliary cavities formed by supporting plates at intervals are arranged between the outer wall of the bottom beam and the main cavity.

More preferably, the bottom of the main cavity body is of an open structure, an installation guide groove is arranged in the middle of the top of the inner side of the main cavity body, the installation guide groove is a square groove with an opening at the bottom, and the lower edge of the square groove is bent inwards and horizontally.

More preferably, a safety baffle is arranged on the outer side of the square steel beam.

More preferably, the top of the upper beam is provided with a plurality of barbed wire brackets, and the barbed wire brackets are provided with barbed wire protective nets.

More preferably, an installation support is fixedly connected between two adjacent groups of supporting vertical plates along the bevel edge of the supporting vertical plates, the installation support comprises a plurality of parallel transverse rod pieces and a plurality of parallel longitudinal rod pieces, and each transverse rod piece and each longitudinal rod piece form a grid-shaped installation support.

More preferably, a wire netting fence is laid on the mounting bracket.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. the square steel beams are arranged on the two sides of the bottom beam main body, so that the connection strength of the bottom beam is improved, the cantilever door can be suitable for a large door opening with the length of more than 30 meters, and the application space of the cantilever door is expanded; simultaneously, through the reinforcing of square girder steel to the floorbar, effectively reduce expend with heat and contract with cold the phenomenon, avoid the bent floorbar that sunshine directly penetrates and lead to.

2. The utility model discloses it supports the riser to correspond at square girder steel top and be provided with a plurality of groups, it is right trapezoid to support the riser, wherein support the base of riser with square girder steel fixed connection, the stile with stand fixed connection follows its hypotenuse fixedly connected with installing support between adjacent two sets of support risers, adopts this structure not only can utilize the stand to play a lifting action to square girder steel, prevents square girder steel bending deformation, and along inclined plane dispersion to both sides square girder steel with the weight of installing support in addition, further reduces the stress that the floorbar bore, prevents bending deformation.

3. The utility model provides a bottom beam structure is provided with a plurality of vice cavitys that form by the connecting plate interval between the bottom beam and the main cavity body, can disperse the perpendicular decurrent gravity of the door body to each vice cavity and main cavity body along the backup pad around, effectively alleviates the stress at bottom beam main part top, prevents that the bottom beam top from being extruded deformation, need not the mesh that its mechanical properties of reinforcing can be realized to the bodiness bottom beam lateral wall, effective reduction in production cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged detail view of fig. 1.

Fig. 3 is a schematic view of a partial structure of the present invention.

Fig. 4 is a side view of fig. 1.

Fig. 5 is a schematic view of the connection structure between the bottom beam and the square steel beam of the present invention.

Description of reference numerals: 1. the device comprises door columns, 2 parts of upper beams, 3 parts of bottom beams, 3-1 parts of main cavities, 3-2 parts of connecting plates, 3-3 parts of auxiliary cavities, 3-4 parts of installation guide grooves, 4 parts of upright columns, 5 parts of square steel beams, 6 parts of supporting vertical plates, 7 parts of safety baffles, 8 parts of walking wheel sets, 9 parts of barbed rope supports, 10 parts of barbed rope protective nets, 11 parts of installation supports, 12 parts of wire netting fences.

Detailed Description

The technical solution is described in detail with reference to specific embodiments below.

As shown in fig. 1-4, the utility model relates to a large cantilever door, which comprises a door post 1 and a cantilever door main body installed on the door post 1, wherein the cantilever door main body is composed of an upper beam 2, a bottom beam 3, two side beams, and a vertical column 4 connected between the upper beam and the bottom beam, square steel beams 5 are fixedly connected to two sides of the bottom beam 3 along the axial direction thereof, a plurality of groups of supporting vertical plates 6 are correspondingly arranged on the tops of the square steel beams 5, and the supporting vertical plates 6 are in a right trapezoid shape; the bottom edge of the supporting vertical plate 6 is fixedly connected with the square steel beam 5, and the vertical edge is fixedly connected with the upright post 4.

In this embodiment, the bottom beam 3 is a single extruded aluminum profile, and is convenient to produce and process. The square steel beams 5 on both sides of the bottom beam 3 are connected end to ensure that the bottom beam 3 has enough supporting strength. Preferably, the square steel beam connecting seams at the two sides of the bottom beam 3 are arranged in a staggered manner, so as to further improve the strength of the bottom beam.

Referring to fig. 5, a main cavity 3-1 is arranged on the bottom beam 3 along the axial direction, and a plurality of auxiliary cavities 3-3 formed by connecting plates 3-2 at intervals are arranged between the outer wall of the bottom beam and the main cavity 3-1; the main cavity 3-1 is of a bottom opening structure, an installation guide groove 3-4 is arranged in the center of the top of the inner side of the main cavity 3-1, the installation guide groove is a square groove with an opening at the bottom, and the lower edge of the square groove is bent inwards and horizontally. In the embodiment, the main cavity and the auxiliary cavity are arranged in the main beam, so that the weight of the bottom beam can be reduced, and the material consumption is reduced; but also can ensure that the bottom beam has enough strength. The opening structure and the installation guide groove are formed, so that the installation of the bottom beam is convenient to realize.

Preferably, the safety baffle 7 is arranged on the outer side of the square steel beam 5, and the safety baffle 7 can play a role in protection and prevent rainwater and dirt from being splashed into the bottom beam; the expansion caused by heat and contraction caused by direct sunlight irradiating the bottom beam can be avoided; meanwhile, the decorative and beautiful effects can be achieved.

Preferably, a plurality of barbed wire brackets 9 are arranged at the top of the upper beam 2, and a barbed wire protective net 10 is arranged on each barbed wire bracket 9; so as to realize the climbing and turning-over prevention function of the door.

Preferably, a mounting bracket 11 is fixedly connected between two adjacent groups of supporting vertical plates 6 along the oblique edge thereof, the mounting bracket 11 includes a plurality of parallel transverse rods and a plurality of parallel longitudinal rods, and each transverse rod and each longitudinal rod form a grid-shaped mounting bracket. In this embodiment, through setting up latticed installing support, can ensure the stable installation of each support riser, and then ensure whole cantilever door main part intensity, avoid not hard up deformation.

It is further preferred that a wire fence 12 is laid on the mounting bracket to improve the protection performance and prevent people and animals from passing through the door crack.

Compared with the prior art, the utility model provides a pair of large-scale cantilever door has following characteristics: firstly, the square steel beams are arranged on the two sides of the bottom beam main body, so that the connection strength of the bottom beam is improved, the cantilever door can be suitable for a large door opening with the length of more than 30 meters, and the application space of the cantilever door is expanded; meanwhile, the bottom beam is reinforced by the square steel beam, so that the phenomena of expansion with heat and contraction with cold are effectively reduced, and the bending of the bottom beam caused by direct sunlight is avoided; secondly, a plurality of groups of supporting vertical plates are correspondingly arranged at the tops of the square steel beams, the supporting vertical plates are in a right trapezoid shape, the bottom edges of the supporting vertical plates are fixedly connected with the square steel beams, and the vertical edges of the supporting vertical plates are fixedly connected with the upright columns.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims (8)

1. A large cantilever door comprises a door post and a cantilever door main body arranged on the door post, wherein the cantilever door main body consists of an upper beam, a bottom beam, two side beams and a stand column connected between the upper beam and the bottom beam.

2. A large cantilever door according to claim 1, wherein the bottom beam is an extruded single aluminum profile, and the square steel beams on both sides of the bottom beam are connected end to end.

3. The large cantilever door according to claim 1, wherein a main cavity is provided in the bottom beam along the axial direction, and a plurality of auxiliary cavities are provided between the outer wall of the bottom beam and the main cavity and spaced by supporting plates.

4. The large cantilever door according to claim 3, wherein the bottom of the main cavity is open, a mounting guide groove is provided at the center of the top of the inner side of the main cavity, the mounting guide groove is a square groove with an open bottom, and the lower edge of the square groove is bent horizontally inwards.

5. A large cantilever door according to claim 1, wherein a safety barrier is provided on the outside of the square steel beam.

6. The large cantilever door according to claim 1, wherein a plurality of barbed wire brackets are arranged on the top of the upper beam, and a barbed wire protective net is arranged on each barbed wire bracket.

7. A large cantilever door according to claim 1, wherein a mounting bracket is fixedly connected between two adjacent sets of vertical supporting plates along the oblique side thereof, said mounting bracket comprises a plurality of parallel transverse rod members and a plurality of parallel longitudinal rod members, each transverse rod member and each longitudinal rod member form a grid-like mounting bracket.

8. A large cantilever door according to claim 7, wherein the mounting bracket is laid with wire netting fencing.

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