CN216233525U

CN216233525U - Fiber-reinforced polyurethane tray

Info

Publication number: CN216233525U
Application number: CN202022700161.5U
Authority: CN
Inventors: 马艳刚; 韩玮; 王建军; 周扬春
Original assignee: BASF SE
Current assignee: BASF SE
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2022-04-08
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a fiber-reinforced polyurethane tray, which comprises a tray body, wherein the tray body comprises a support, an upper beam, a lower beam and top planks, the bottom end of the tray body consists of a plurality of supports, the supports are symmetrically arranged on two side edges and the middle part of the tray body, the top end and the bottom end of each support are respectively provided with a groove, the upper grooves arranged on the top end and the lower grooves arranged on the bottom end are mutually staggered, the upper beam matched with the upper grooves is clamped in the upper grooves arranged on the top end, the upper beam penetrates through the supports on the corresponding side edges, the lower beam matched with the lower grooves is clamped in the lower grooves arranged on the bottom end, the lower beam penetrates through the supports on the corresponding side edges, and the top end of the upper beam is horizontally paved with the top planks in parallel.

Description

Fiber-reinforced polyurethane tray

Technical Field

The utility model relates to the technical field of trays, in particular to a fiber-reinforced polyurethane tray.

Background

The trays used in modern industry for carrying articles generally have the following drawbacks: the material is wood, common plastic or iron, the wood tray is easy to decay after being wetted, the iron nails used for assembling are easy to expose outside to damage the appearance of the product, and the iron nails can be generally recycled for three to five times and then scrapped when being used under normal conditions, so a large amount of wood is consumed; the common plastic pallet has the advantages of low strength, low bearing capacity, poor size fixing flexibility, high mould cost, easy aging and low durability, and particularly under a high-temperature environment, the bearing strength of the pallet is also influenced, and the recycling process has great limitation; the iron pallet or the aluminum pallet is heavy in weight, high in price, large in influence on transportation cost and capable of wasting a large amount of steel resources, and the pallet is mainly produced in a welding or casting mode and cannot be maintained at all once being damaged. From the above situation, in the existing logistics process, the purpose of sustainable recycling cannot be achieved by the existing tray, and great waste is caused to resources.

The application publication number is CN 208931904U's chinese utility model patent discloses a polyurethane tray, including tray girder, tray support and tray panel, wherein the tray girder of joint in the recess of tray support top and bottom is parallel arrangement each other respectively.

However, the development of pallets for carrying articles in modern industries has not been fully realized. There is therefore a continuing need to develop new pallets to better suit the performance requirements of modern industrial load carrying articles.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the fiber-reinforced polyurethane tray which is reasonable in structural design, strong in bearing capacity and high in strength. All documents of the present invention describe the orientation in terms of the use of the tray.

The technical scheme adopted by the utility model for solving the problems is as follows: a fiber-reinforced polyurethane tray comprises a tray body, wherein the tray body comprises a support, an upper beam, a lower beam and a top plank,

the bottom end of the tray body is composed of a plurality of supporting seats, the supporting seats are symmetrically arranged on the two side edges and the middle part of the tray body, the top ends and the bottom ends of the supporting seats are respectively provided with a groove, the upper grooves arranged on the top ends and the lower grooves arranged on the bottom ends are staggered with each other,

the upper beam matched with the upper groove is clamped in the upper groove arranged at the top end and penetrates through the support at the corresponding side edge,

the lower beam matched with the lower groove is clamped in the lower groove arranged at the bottom end and penetrates through the support at the corresponding side edge,

and a plurality of top planks are horizontally paved on the top end of the upper beam in a parallel manner.

Advantageous effects

1. Because the fibre reinforced polyurethane tray has that bearing capacity is big, compressive strength and tensile strength are high, can effectual dampproofing and waterproofing, anticorrosive, do not receive external environment influence, consequently sustainable recycling can be realized to this tray.

2. The tray is reasonable in design, simple in structure and strong in bearing capacity, the overall use strength and the service life of the tray are greatly improved, and meanwhile, the tray is convenient to maintain because the connecting mode is bonding and blind rivet adding.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings required in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural view of a fiber-reinforced polyurethane tray according to an embodiment of the present invention.

Fig. 2 is a first side view of a fiber reinforced polyurethane pallet according to an embodiment of the present invention.

Fig. 3 is a second side view of a fiber reinforced polyurethane pallet according to an embodiment of the present invention.

Fig. 4 is a schematic top view of a fiber reinforced polyurethane pallet according to an embodiment of the present invention.

Fig. 5 is a schematic view of a main beam of a fiber reinforced polyurethane tray according to an embodiment of the present invention.

1. A tray body; 2. a support; 3. an upper beam; 4. a lower beam; 5. top planking; 5-1, carrying out edge top paving; 5-2, middle top planking; 6. a groove; 6-1, arranging a groove; 6-2, lower groove; and 7, blind rivets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The utility model provides a fiber-reinforced polyurethane tray, which comprises a tray body, wherein the tray body comprises a support, an upper beam, a lower beam and a top plank,

In a preferred embodiment, the upper grooves and the lower grooves extend in planes which are at an angle of 90 ° to one another in a staggered manner. Further preferably, the upper groove is a groove extending in a longitudinal direction and the lower groove is a groove extending laterally in an orthogonal direction; or the upper groove is a groove extending in a lateral direction and the lower groove is a groove extending longitudinally in an orthogonal direction.

In a preferred embodiment, the top deck comprises: the two edge top planks are symmetrically arranged on two side edges of the top end of the upper beam; and a plurality of middle top planks which are arranged between the two edge top planks at intervals. Preferably, the number of the middle top planks is seven, and the middle top planks are uniformly arranged between the two edge top planks at equal intervals. Preferably, the outer corners of the edge top decking are rounded.

In a preferred embodiment, at least two of the top planks have a rough surface formed of mastic quartz sand. This adhesive type quartz sand refers to quartz sand mixed with an adhesive and is a material known in the art. Such a rough surface may increase the coefficient of friction of the top deck, thereby better functioning as a slip resistant. Meanwhile, the used quartz sand has high hardness, so that the deterioration of the anti-skid effect of the tray and the residue of a plurality of solid fragments on the surface of the tray caused by the crushing of the quartz sand by goods can be avoided. Preferably, the at least two top decks having a rough surface are arranged adjacent to or spaced apart from each other. More preferably, the at least two top decks having the rough surface are middle top decks disposed adjacent to or spaced apart from each other.

In a preferred embodiment, the number of the upper beam and the lower beam is three, and the number of the support is nine. Preferably, the upper beam and the lower beam are both hollow, and both ends of the upper beam and the lower beam are respectively sealed by sealing caps to prevent foreign matters or organisms from entering the beam holes.

In a preferred embodiment, the upper beam is fixedly connected with the two side edges and the middle part of the top plank through blind rivets.

In a preferred embodiment, the upper beam and the lower beam are respectively adhered to the contact surfaces of the supports through adhesives.

Optionally, a two-dimensional code scanning area is fixed on the side edge of the support in the middle of one side of the tray body, and a communication module, such as an RFID radio frequency identification tag, a GPS/beidou global positioning system, is fixed on the support in the middle of the tray body. Preferably, two side edges of the GPS communication module are respectively connected with the support through a fixing bolt and a sealing glue. Through above-mentioned two-dimensional code scanning area or RFID system, the completion warehouse entry operation that the goods can be convenient fast, through 5G LAN or the bluetooth LAN that founds, can realize the automatic turnover of factory endogenous product material, through the communication module of customization, people can conveniently know and track the humiture environment that goods position and goods were located at palm terminal.

The upper beam, the lower beam, the support and the top floor plate are all made of fiber reinforced polyurethane composite materials. Preferably, the fibrous reinforcing material is selected from: glass fibers, glass mats, carbon fibers, polyester fibers, natural fibers, aromatic polyaramid fibers, basalt fibers, and nylon fibers, and combinations thereof.

The following description will explain embodiments of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.

Fig. 1 illustrates a schematic structural view of one embodiment of a fiber reinforced polyurethane tray of the present invention. Fig. 2 illustrates a first side view of a fiber reinforced polyurethane pallet of the present invention. Fig. 3 illustrates a second side view of the fiber reinforced polyurethane pallet of the present invention. Fig. 4 illustrates a top view of a fiber reinforced polyurethane tray of the present invention. Fig. 4 illustrates a schematic of a main beam of a fiber reinforced polyurethane tray of the present invention.

As shown in fig. 1 to 5, the fiber reinforced polyurethane pallet comprises a pallet body 1, the pallet body 1 comprises a pedestal 2, an upper beam 3, a lower beam 4 and a top deck 5,

the bottom end of the tray body 1 is composed of nine support seats 2, the support seats 2 are symmetrically arranged on two side edges and the middle part of the tray body 1, the top end and the bottom end of each support seat 2 are respectively provided with a groove 6, an upper groove 6-1 arranged on the top end is a groove extending in the longitudinal direction, a lower groove 6-2 arranged on the bottom end is a groove extending transversely in the orthogonal direction,

the upper beam 3 matched with the upper groove 6-1 is clamped in the upper groove 6-1 arranged at the top end, the upper beam 3 penetrates through the support 2 at the corresponding side edge,

the lower beam 4 matched with the lower groove 6-2 is clamped in the lower groove 6-2 arranged at the bottom end, the lower beam 4 penetrates through the support 2 at the corresponding side edge,

nine top planks 5 are horizontally paved on the top end of the upper beam 3 in a parallel manner.

In the fiber-reinforced polyurethane pallet of the present invention, the top deck 5 includes: two edge top planks 5-1 symmetrically arranged on two side edges of the top end of the upper beam 3; and seven middle top planks 5-2, which are equally spaced and uniformly arranged between the two edge top planks 5-1.

In the fiber-reinforced polyurethane pallet of the present invention, the upper beam 3 and the top deck 5 are fixedly connected at both sides and the middle thereof by blind rivets 7.

The specific working process is as follows: the nine supports 2 are symmetrically arranged, so that the firmness of the tray body 1 can be guaranteed; meanwhile, the upper groove 6-1 at the top end of the support 2 and the lower groove 6-2 at the bottom end are staggered in the orthogonal direction, so that the upper beam 3 and the lower beam 4 are clamped with the support 2 more firmly, and the tray body is higher in bearing capacity and strength; in addition, the upper beam 3 and the lower beam 4 respectively penetrate through the supports 2, so that the supports 2 on the corresponding sides can be fixed and connected more tightly and firmly.

Test examples

1. Measuring method

The fork lift test: GB/T4995-2014 intermodal general flat pallet performance requirements and test selection

Stacking test: GB/T4996-2014 combined transport universal flat pallet test method

2. Measurement results

2.1 examples of the utility model

The results of the fork lift test and stacking test of the fiber reinforced polyurethane pallets of the present invention (having a weight of 21.37Kg, as shown in FIGS. 1-5) are shown in Table 1:

table 1 fork lift test and stack test results for pallets of the utility model

Wherein L is₁And L₂Representing the distance between adjacent pedestals (i.e., the fork aperture width).

From the results, the tray has better integral strength and rigidity, so that the integral mechanical property and the service life of the tray are greatly improved.

2.2 comparative example

The control tray is a tray (weighing 24.73Kg) commercially available in the prior art, which is similar to the tray of the present invention except that the upper groove at the top end of the pedestal and the lower groove at the bottom end of the pedestal are arranged parallel to each other, i.e., the upper beam and the lower beam are arranged parallel to each other. The cross-over test results are shown in table 2:

table 2 cross-lift test results for control trays

From the above results, it can be seen that the pallet of the present invention is lighter than the control pallet, saves more material, and at the same time can achieve a lower deflection value, especially a residual deflection value much lower than that of the control pallet, which is beneficial for the use of the stereoscopic warehouse.

The foregoing has described the basic principles and exemplary embodiments of the present invention. It will be appreciated by persons skilled in the art that the present invention is not limited by the embodiments described above. The foregoing description is for the purpose of illustrating the utility model. The present invention may be subject to various changes and modifications without departing from the spirit and scope of the utility model, and such changes and modifications are intended to be included within the scope of the appended claims.

Claims

1. A fiber-reinforced polyurethane tray is characterized by comprising a tray body (1), wherein the tray body (1) comprises a support (2), an upper beam (3), a lower beam (4) and a top plank (5),

the bottom end of the tray body (1) is composed of a plurality of supporting seats (2), the supporting seats (2) are symmetrically arranged at two side edges and the middle part of the tray body (1), the top end and the bottom end of each supporting seat (2) are respectively provided with a groove (6), an upper groove (6-1) arranged at the top end and a lower groove (6-2) arranged at the bottom end are mutually staggered,

the upper beam (3) matched with the upper groove (6-1) is clamped in the upper groove (6-1) arranged at the top end, the upper beam (3) penetrates through the support (2) on the corresponding side edge,

the lower beam (4) matched with the lower groove (6-2) is clamped in the lower groove (6-2) arranged at the bottom end, the lower beam (4) penetrates through the support (2) at the corresponding side edge,

the top end of the upper beam (3) is horizontally laid with a plurality of top floor boards (5) in a parallel manner.

2. A fibre-reinforced polyurethane pallet according to claim 1, characterised in that the upper grooves (6-1) and the lower grooves (6-2) extend mutually staggered in planes which are at an angle of 90 ° to each other, respectively.

3. A fibre-reinforced polyurethane pallet according to claim 1 or 2, characterised in that the upper grooves (6-1) are grooves extending in a longitudinal direction and the lower grooves (6-2) are grooves extending transversely in an orthogonal direction; or the upper groove (6-1) is a groove extending in a lateral direction and the lower groove (6-2) is a groove extending longitudinally in an orthogonal direction.

4. A fibre-reinforced polyurethane pallet according to claim 1 or 2, characterised in that the top deck (5) comprises:

two edge top planks (5-1) symmetrically arranged on two side edges of the top end of the upper beam (3); and

a plurality of middle top planks (5-2) which are arranged between the two edge top planks (5-1) at intervals.

5. A fibre-reinforced polyurethane pallet as claimed in claim 4, characterised in that the number of the middle top planks (5-2) is seven and equally spaced between the two edge top planks (5-1).

6. A fibre-reinforced polyurethane pallet according to claim 4, characterised in that at least two top planks (5) have a rough surface formed by mastic quartz sand.

7. A fibre-reinforced polyurethane pallet according to claim 6, characterised in that the at least two top planks (5) with a rough surface are arranged adjacent to each other or at a distance from each other.

8. Fibre reinforced polyurethane pallet according to claim 1 or 2, characterized in that the number of upper beams (3) and lower beams (4) is three each and the number of pedestals (2) is nine.

9. A fibre reinforced polyurethane pallet according to claim 8, characterised in that the upper and lower beams (3, 4) are hollow and sealed at both ends with respective caps.

10. The fiber reinforced polyurethane pallet according to claim 1 or 2, wherein the upper beam (3) is fixedly connected with the two sides and the middle part of the top deck (5) by blind rivets (7).

11. Fibre reinforced polyurethane pallet according to claim 1 or 2, characterized in that the upper and lower beams (3, 4) are each adhesively bonded to the contact surface of the pedestal (2).