CN212355141U - Novel environment-friendly container underframe - Google Patents

Abstract

The utility model discloses a novel environment-friendly container underframe, which comprises an underframe and a floor, wherein the underframe is formed by connecting two side beams arranged along the length direction of a container and a plurality of cross beams perpendicular to the side beams; the lower surface of the floor is provided with a bamboo floor with a film coating layer, the floor and the floor adopt a transverse splicing seam design and are fixed by floor self-tapping nails; the transverse abutted seams are in butt joint through rabbets, and the floor abutted seams fall on the cross beam. The utility model discloses the floor has reduced the steel quantity, simple to operate has also made things convenient for the dimension on follow-up container floor to protect, has improved the life on container chassis and floor. The lower surface of the floor adopts a bamboo floor covered with a film to protect the floor surface.

Description

Novel environment-friendly container underframe

Technical Field

The utility model relates to a novel environmental protection container chassis.

Background

Referring to fig. 1-4, there is shown a schematic view of the structure of a conventional container chassis.

The underframe of the existing container is formed by assembling a steel underframe and a floor 3, the underframe is divided into two side beams which are arranged along the length direction of the container, a floor middle beam 66 which is arranged at the center of a longitudinal seam 77 of the floor and a plurality of cross beams 88 which are vertical to the side beams are assembled and welded; after the assembly welding of the underframe, the front end, the rear end and the side end and the top plate is finished, the box enters a paint room to be sprayed with outer finish paint and inner finish paint of the box, after the paint is leveled and dried, a wood floor is laid on the steel frame, and the wood floor and the cross beam are fixedly connected by using self-tapping screws.

The cross-members 88 of the chassis of the tank are generally of two types: the floor comprises a conventional cross beam 11 and an elongated cross beam 22, wherein the conventional cross beam 11 is laid on the lower surface of a floor main body, the elongated cross beam is arranged at a floor joint, screws of the conventional cross beam and the floor are generally single-row screws 33 and are small in quantity, the elongated cross beam is nailed into double-row screws 44 and is large in quantity, similarly, as shown in fig. 3, a double-row nailing mode is also selected for a floor lap joint of a longitudinal splicing seam, and mainly the purpose of tightly locking two adjacent floors is achieved, so that the use performance is ensured; present case factory is when drilling the screw hole, because conventional crossbeam adds the screw hole quantity of elongated crossbeam department with the department, the difference of interval and subsection, what adopt is the separately drilling mode, the specified requirement of duplex hole quantity according to guest or screw hole are in order to avoid adding the reinforcing plate 55 of type long crossbeam, the nail is arranged and often can be changed, adopt artifical gun drill at present usually, and conventional crossbeam department screw quantity is fixed, and arrange evenly, adopt full-automatic nailer at present, only need input simple appointed, nailer alright disposable swift, it is convenient, the completion drilling of accuracy again.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel environment-friendly container underframe, which comprises an underframe and a floor, wherein the underframe is formed by connecting two side beams arranged along the length direction of a container and a plurality of cross beams perpendicular to the side beams; the method is characterized in that: the floor along the length direction of the box body is in a transverse splicing design, and is fixed on the bottom cross beam by floor nails; the transverse abutted seams are in butt joint through mortises and fall on the cross beam.

Furthermore, the length direction of the floor is consistent with the width direction of the box body, and the width direction of the floor is consistent with the length direction of the box body.

Furthermore, the rabbet butt joint is trapezoidal rabbet splicing, tooth-shaped rabbet splicing, hook-shaped rabbet lapping and inclined plane rabbet splicing.

Further, the cross-sectional shapes of the cross beams of all the underframe are consistent.

Furthermore, sealant is arranged inside the rabbet and on the upper surface of the cross beam of the underframe at the butt joint position.

Further, the floor nails are in a single row.

Furthermore, the number of the floor nails on the bottom cross beam is equal.

Further, the lower surface of the floor panel includes a floor panel coating layer.

Further, the most preferable mode of the tenon butt joint is a trapezoidal lap joint structure.

The utility model discloses the floor has reduced the steel quantity, simple to operate has also made things convenient for the dimension on follow-up container floor to protect, has improved the life on container chassis and floor. The lower surface of the floor adopts a bamboo floor covered with a film to protect the floor surface.

Drawings

FIG. 1 is a conventional box-type underframe cross beam, floor, nailing arrangement.

FIG. 2 is a schematic view of the connection between the conventional box-type elongated beam and the double rows of floor nails at the joint of the floor.

Fig. 3 is a schematic view of a conventional box-type beam and a floor by screw connection.

FIG. 4 is a schematic diagram of a conventional box-type floor center sill placed in the center of a longitudinal seam of a floor, wherein a sealant is applied to the upper surface of the center sill before pre-assembly, and the center sill is tightly attached to a tongue-and-groove after assembly.

Fig. 5 is a schematic structural diagram of the present invention.

Fig. 6 is the schematic view of the trapezoidal rabbet structure of the present invention.

Fig. 7 is a schematic view of the trapezoidal rabbet connection of the present invention.

Fig. 8 is a view of the trapezoidal rabbet cracking of the present invention.

Fig. 9 is a schematic view of the tooth-shaped rabbet structure of the present invention.

Fig. 10 is a schematic view of the tooth-shaped rabbet connection of the present invention.

Fig. 11 is a diagram of the tooth-shaped rabbet cracking of the utility model.

Fig. 12 is a schematic view of the hook-shaped rabbet structure of the present invention.

Fig. 13 is a schematic view of the hook-shaped rabbet connection of the present invention.

Fig. 14 is a diagram of the cracking of the hook-shaped rabbet of the utility model.

Fig. 15 is a schematic view of another hook-shaped rabbet of the present invention.

Fig. 16 is a schematic view of another hook-type rabbet connection of the present invention.

Fig. 17 is a diagram showing another form of the present invention.

Fig. 18 is a schematic view of the bevel rabbet structure of the present invention.

Fig. 19 is a schematic view of the bevel rabbet connection of the present invention.

Fig. 20 is a diagram of the bevel rabbet cracking of the present invention.

Fig. 21 is a process flow diagram of a novel environment-friendly container underframe.

In the figure, 1, a side beam, 2, a cross beam, 3, a floor, 4, a self-tapping nail of the floor, 5, a transverse splicing seam, 6, a trapezoidal rabbet, 7, a tooth rabbet, 8, a hook rabbet and 9, an inclined plane rabbet are arranged.

Detailed Description

As shown in fig. 5, the novel environment-friendly container underframe comprises an underframe and a floor 3, wherein the underframe is formed by connecting two side beams 1 which are arranged along the length direction of a container and a plurality of cross beams 2 which are perpendicular to the side beams 1; the lower surface of the floor 3 is provided with a bamboo floor with a film coating layer, and the floor 3 is designed by adopting transverse splicing. The transverse abutted seam 5 is in butt joint with a rabbet, and is fixed on the beam 2 by a floor tapping screw 4. The joints of the floor 3 are dropped on the cross beams 2.

The upper surface of the beam 2 is pre-coated with sealant, so that the sealing performance is protected doubly.

The rabbet butt joint is formed by splicing the trapezoid rabbets 6 in figures 6-8, splicing the tooth-shaped rabbets 7 in figures 9-11, overlapping the hook-shaped rabbets 8 in figures 12-14 and 15-17, and splicing the bevel rabbets 9 in figures 18-20.

The floor tenon butt joint structure has better sealing performance. Adopt the mortise butt joint, floor self-tapping nail 4 is the single row, has reduced nailing quantity, and the quantity of the floor nail of every row of crossbeam can be for the customization, and the use of the automatic nailing machine of on-line of being convenient for reduces the labour cost, improves mechanized operation, improves production efficiency.

Preferably, the trapezoidal rabbet 6 splicing design shown in fig. 6-8 is convenient for manufacturers, factory floor installation and subsequent maintenance of the container floor.

The utility model discloses with 3 rearranges in floor, cancelled vertical piece, cancelled along the long direction of case floor center sill, saved the structure of a floor center sill, reduce the kind of bottom end rail, saved broadside bottom end rail, reduced the consumption of steel. The middle beam of the floor is omitted, and the using amount of the sealant is reduced; the container underframe has no floor middle beam, saves longitudinal seam splicing seams, has better overall strength, and prolongs the service life of the container underframe and the floor thereof.

The floor 3 is not divided into left and right, the number of the floor 3 is reduced, the types of the floor 3 are reduced, and the supply and the preparation are convenient. In addition, the lower surface of the floor 3 is provided with the bamboo floor with the film coating layer to protect the floor surface, and the underframe only needs to spray asphalt paint on the steel structure part to meet the use requirement of the container body, so that the use amount of the asphalt paint is greatly reduced; the working environment of workers is improved, the sagging pollution of the water-based bottom asphalt is reduced, and the probability of poor spraying quality of the bottom asphalt is reduced.

As shown in fig. 21, a novel environment-friendly container chassis spraying process enters a coating line after the secondary sanding of the container body, and is used for the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is water-based environment-friendly epoxy zinc-rich coating with the zinc powder content of 65-90%, the thickness of a dry film is 20-40 microns, and after the spraying is finished, the paint enters a drying room, the temperature of the drying room is 40-70 ℃, the humidity is 35-85%, the wind speed is 1-3 m/s, and the drying time is 10-15 min; and then continuing to move the container chassis: the surface of the bottom cross beam and the bottom side beam is subjected to high-pressure airless spraying of an environment-friendly coating, the special coating for the bottom frame is a water-based epoxy heavy-duty anticorrosive coating, the thickness of a dry film is 50-100 micrometers, the environment-friendly coating enters a drying room after spraying is finished, the temperature of the drying room is 50-70 ℃, the humidity is 35-85%, the wind speed is 1-3 m/s, the drying time is 12-20min, then the environment-friendly bottom frame coating process of the container is finished, the next procedure is carried out, finish coating of finish paint outside the container is carried out, after drying and discharging the container, glue is coated, a bottom plate is laid, a bottom plate is scribed and drilled, then screws are.

The water-thinned epoxy zinc-rich paint consists of epoxy resin, ethyl silicate and zinc powder as main material, thickener, assistant and water.

Example 1

The utility model provides a novel environmental protection container chassis spraying technology, gets into the coating line after box secondary sanding, to the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is water-based environment-friendly epoxy zinc-rich coating with the zinc powder content of 65%, the thickness of a dry film is 20 micrometers, and after the spraying is finished, the coating enters a drying room, the temperature of the drying room is 40 ℃, the humidity is 35%, the wind speed is 1 m/s, and the drying time is 10 min; and then continuing to move the container chassis: the surfaces of the bottom cross beam and the bottom side beam are subjected to high-pressure airless spraying of environment-friendly paint, the special paint for the bottom frame is water-based epoxy heavy-duty anticorrosive paint, the thickness of a dry film is 50 micrometers, the paint enters a drying room after spraying is finished, the temperature of the drying room is 50 ℃, the humidity is 35%, the wind speed is 1 m/s, the drying time is 12min, then the coating process of the environment-friendly bottom frame of the container is finished, and the next procedure is carried out.

Example 2

The utility model provides a novel environmental protection container chassis spraying technology, gets into the coating line after box secondary sanding, to the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is a water-based environment-friendly epoxy zinc-rich coating with 90% of zinc powder content, the thickness of a dry film is 40 microns, and after the spraying is finished, the coating enters a drying room, the temperature of the drying room is 70 ℃, the humidity is 85%, the wind speed is 3 m/s, and the drying time is 15 min; and then continuing to move the container chassis: the surfaces of the bottom cross beam and the bottom side beam are subjected to high-pressure airless spraying of environment-friendly paint, the special paint for the bottom frame is water-based epoxy heavy-duty anticorrosive paint, the thickness of a dry film is 100 micrometers, the paint enters a drying room after spraying is finished, the temperature of the drying room is 70 ℃, the humidity is 85%, the wind speed is 3 m/s, the drying time is 20min, then the coating process of the environment-friendly bottom frame of the container is finished, and the next procedure is carried out.

Example 3

The utility model provides a novel environmental protection container chassis spraying technology, gets into the coating line after box secondary sanding, to the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is water-based environment-friendly epoxy zinc-rich coating with 70% of zinc powder, the thickness of a dry film is 25 micrometers, and after the spraying is finished, the paint enters a drying room, the temperature and humidity of the drying room are 50 ℃, the wind speed is 2 m/s, and the drying time is 11 min; and then continuing to move the container chassis: the surfaces of the bottom cross beam and the bottom side beam are subjected to high-pressure airless spraying of environment-friendly paint, the special paint for the bottom frame is water-based epoxy heavy-duty anticorrosive paint, the thickness of a dry film is 60 micrometers, the paint enters a drying room after spraying is finished, the temperature of the drying room is 55 ℃, the humidity is 60%, the wind speed is 2 m/s, the drying time is 15min, then the coating process of the environment-friendly bottom frame of the container is finished, and the next procedure is carried out.

Example 4

The utility model provides a novel environmental protection container chassis spraying technology, gets into the coating line after box secondary sanding, to the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is water-based environment-friendly epoxy zinc-rich coating with 70% of zinc powder, the thickness of a dry film is 25 micrometers, and after the spraying is finished, the paint enters a drying room, the temperature of the drying room is 50 ℃, the humidity is 65%, the wind speed is 1 m/s, and the drying time is 15 min; and then continuing to move the container chassis: the surfaces of the bottom cross beam and the bottom side beam are subjected to high-pressure airless spraying of environment-friendly paint, the special paint for the bottom frame is water-based epoxy heavy-duty anticorrosive paint, the thickness of a dry film is 70 micrometers, the paint enters a drying room after spraying is finished, the temperature of the drying room is 60 ℃, the humidity is 60%, the wind speed is 3 m/s, the drying time is 18min, then the coating process of the environment-friendly bottom frame of the container is finished, and the next procedure is carried out.

Example 5

The utility model provides a novel environmental protection container chassis spraying technology, gets into the coating line after box secondary sanding, to the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is water-based environment-friendly epoxy zinc-rich coating with the zinc powder content of 80%, the thickness of a dry film is 40 micrometers, and after the spraying is finished, the paint enters a drying room, the temperature of the drying room is 65 ℃, the humidity is 80%, the wind speed is 1.5 m/s, and the drying time is 12 min; and then continuing to move the container chassis: the surfaces of the bottom cross beam and the bottom side beam are subjected to high-pressure airless spraying of environment-friendly paint, the special paint for the bottom frame is water-based epoxy heavy-duty anticorrosive paint, the thickness of a dry film is 80 microns, the paint enters a drying room after spraying is finished, the temperature of the drying room is 60 ℃, the humidity is 40%, the wind speed is 3 m/s, the drying time is 15min, then the coating process of the environment-friendly bottom frame of the container is finished, and the next procedure is carried out.

Example 6

The utility model provides a novel environmental protection container chassis spraying technology, gets into the coating line after box secondary sanding, to the container chassis: carrying out high-pressure airless spraying on the surfaces of the bottom cross beam and the bottom side beam, wherein the environment-friendly coating is water-based environment-friendly epoxy zinc-rich coating with the zinc powder content of 85%, the thickness of a dry film is 35 microns, and after the spraying is finished, the paint enters a drying room, the temperature of the drying room is 50 ℃, the humidity is 70%, the wind speed is 2.5 m/s, and the drying time is 15 min; and then continuing to move the container chassis: the surfaces of the bottom cross beam and the bottom side beam are subjected to high-pressure airless spraying of environment-friendly paint, the special paint for the bottom frame is water-based epoxy heavy-duty anticorrosive paint, the thickness of a dry film is 90 microns, the paint enters a drying room after spraying is finished, the temperature of the drying room is 60 ℃, the humidity is 60%, the wind speed is 1.5 m/s, the drying time is 16min, then the coating process of the environment-friendly bottom frame of the container is finished, and the next procedure is carried out.

The novel spraying process saves the use of asphalt paint, replaces the asphalt paint with the box paint, ensures the appearance of the box body, reduces the cost, and ensures the sealing performance of the chassis by matching with the novel chassis. And a pit station of bottom asphalt is cancelled, and automatic spraying is directly completed on a paint line, so that stations are reduced, and the labor cost is reduced. Because bottom pitch and case paint supply for different suppliers, avoided the hidden danger of mutual dening caused by chassis paint problem, can't find the problem of the object of claim. The novel spraying process can improve the waterproof, moistureproof and anticorrosive performances of the chassis paint. The environment is more protected, and the box body is more beautiful.

Claims (8)

1. A novel environment-friendly container underframe comprises an underframe and a floor, wherein the underframe is formed by connecting two side beams which are arranged along the length direction of a container and a plurality of cross beams which are perpendicular to the side beams; the method is characterized in that: the floor along the length direction of the box body is in a transverse splicing design, and is fixed on the bottom cross beam by floor nails; the transverse abutted seams are in butt joint through mortises and fall on the cross beam.

2. The new environmentally friendly container chassis of claim 1, wherein: the floor laid by the underframe is transversely laid, the length direction of the floor is consistent with the width direction of the box body, and the width direction of the floor is consistent with the length direction of the box body.

3. The new environmentally friendly container chassis of claim 1, wherein: the rabbet butt joint is formed by splicing a trapezoid rabbet, a tooth-shaped rabbet, a hook-shaped rabbet lap joint and an inclined plane rabbet.

4. The new environmentally friendly container chassis of claim 1, wherein: the cross-sectional shapes of the cross beams of the underframe are consistent.

5. The new environmentally friendly container chassis of claim 3, wherein: and sealant is arranged inside the rabbet and on the upper surface of the underframe beam at the butt joint part.

6. The new environmentally friendly container chassis of claim 1, wherein: the floor nails are in a single row.

7. The new environmental protection container chassis of claim 6, wherein: the number of the floor nails is equal.

8. The new environmentally friendly container chassis of claim 1, wherein: the lower surface of the floor comprises a floor film layer.

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