CN109515922B

CN109515922B - The method comprises the following steps of: tray for holding food

Info

Publication number: CN109515922B
Application number: CN201811466056.0A
Authority: CN
Inventors: 张泽盛; 朱丹飞; 张正淏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2024-02-02
Anticipated expiration: 2038-12-03
Also published as: CN109515922A

Abstract

The invention discloses a tray, which comprises a first supporting seat, a second supporting seat, a protection beam and a bearing support part, wherein the first supporting seat is provided with a first supporting seat and a second supporting seat; the first supporting seat comprises a first end beam, and a first cross beam and a second cross beam which are hinged to the two ends of the first end beam through hinges; the second supporting seat comprises a second end beam, and a third beam and a fourth beam which are hinged at two ends of the second end beam through hinges; the first end beam and the second end beam have the same structure; threaded holes are formed in two ends of each end beam; each threaded hole is spirally connected with a supporting leg; the first cross beam and the third cross beam are connected and fixed at one end of the protection beam, and the second cross beam and the fourth cross beam are connected and fixed at the other end of the protection beam; the protection beam is parallel to the first end beam and the second end beam, so that the first support seat and the second support seat are connected to form a bearing seat; the bearing support part is positioned on the bearing seat.

Description

Tray

Technical Field

The invention relates to a tray for logistics circulation, in particular to a tray.

Background

The pallet is widely applied to the logistics industry by virtue of the characteristics of standardization, high turnover, less goods loss and the like. The prior common tray is a fixed structure which is wooden or plastic and is not detachable, and comprises a tray surface and supporting legs, wherein the tray surface and the supporting legs of the wooden tray are connected and fixed through steel nails, the tray surface is assembled through a plank, a stop bar and the steel nails, the supporting legs are normally cuboid wood blocks, and a rectangular array is arranged below the tray surface. The plastic tray is usually molded by casting silicone rubber and polyvinyl resin, and has a structure similar to that of a wooden tray.

The two trays are unmatched in space and time due to the fact that goods and the trays are frequently in actual logistics turnover, the cost of using the trays is increased due to the fact that the trays are empty and transported, and the wooden and plastic trays are easy to damage in the bearing and loading and unloading processes, so that the recycling rate of the wooden and plastic trays is low, and a large amount of resources are wasted; the reinforcing operation can increase the workload, and the reinforcing material is often disposable and discarded to cause environmental pollution.

In the using process of the existing pallet, the existing pallet needs to be reinforced by itself after goods are stacked, and the phenomenon of goods damage is often caused by unbalanced gravity center lateral deviation of the goods due to the fact that the reinforcement is not tight;

in addition, with the popularization of intelligence, a pallet with positioning, tracking and safety early warning functions is also necessary for tracking goods and fine management requirements of zero inventory on a supply chain.

Disclosure of Invention

The invention aims to provide a recycling device, which can reduce the use cost, improve the efficiency of a logistics supply chain and the integrity of goods, reduce the use of logistics packaging materials and the labor workload, further reduce the social logistics cost and improve the logistics efficiency.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows:

a tray comprises a first supporting seat, a second supporting seat, a protection beam and a bearing support part; the first supporting seat comprises a first end beam, and a first cross beam and a second cross beam which are hinged to the two ends of the first end beam through hinges; the second supporting seat comprises a second end beam, and a third beam and a fourth beam which are hinged at two ends of the second end beam through hinges; the first end beam and the second end beam have the same structure; threaded holes are formed in two ends of each end beam; each threaded hole is spirally connected with a supporting leg; the first cross beam and the third cross beam are connected and fixed at one end of the protection beam, and the second cross beam and the fourth cross beam are connected and fixed at the other end of the protection beam; the protection beam is parallel to the first end beam and the second end beam, so that the first support seat and the second support seat are connected to form a bearing seat; the bearing support part is positioned on the bearing seat.

Further: the support leg comprises a base and a connecting column, a lower threaded connecting part is arranged at the joint of the connecting column and the base, an upper threaded connecting part is arranged at the upper part of the connecting column corresponding to the lower threaded connecting part, and a unthreaded smooth column is arranged between the lower threaded connecting part and the upper threaded connecting part.

Further: the cross sections of the first end beam and the second end beam are rectangular hollow pipes, and the threaded holes are formed in the lower surfaces of the end beams.

Further: the support leg is limited to rotate by the locking mechanism; the locking mechanism comprises a first lock hole, a second lock hole, a locking bolt and an upright post; the first lock hole is formed in the baffle plate, the baffle plate is fixed on the inner side of the threaded hole, and the upright post is fixed on the outer side of the threaded hole; the second locking hole is arranged at the top of the connecting column, the front end of the locking bolt penetrates through the second locking hole to enter the first locking hole, the tail end of the locking bolt is provided with a circular ring, and the circular ring is sleeved on the upright column.

Further: the protection beam comprises a support rod and connecting plates positioned at two ends of the support rod, wherein one connecting plate is connected with the joint of the first beam and the third beam through bolts, and the other connecting plate is connected with the joint of the second beam and the fourth beam through bolts, so that the bearing seat is rectangular.

Further: the intelligent box comprises a rechargeable battery, a controller, a pressure sensor, a positioning device, a receiving and sending device and a buzzer; wherein the pressure sensor, the positioning device, the receiving and sending device and the buzzer are respectively and electrically connected with the controller; the controller, the pressure sensor and the positioning device are respectively and electrically connected with the receiving and sending device and the buzzer; the positioning device sends a signal to the controller, and the controller sends the signal to the remote terminal through the transceiver or alarms through the buzzer; the pressure sensor sends signals to the controller, and the controller sends signals to the remote terminal through the transceiver or alarms through the buzzer.

Further: and the first end beam and the second end beam are provided with logistics information storage codes, and the logistics information storage codes are used for a third party to acquire logistics information. The logistic information storage code can uniquely confirm the identity authentication of the supporting seat and provide third party logistic application system software to obtain the logistic information carrier.

Further: and light holes are formed in the lower bottom surfaces of the first end beam and the second end beam, an LED lamp strip is arranged in the first end beam and the second end beam, and the LED lamp strip is electrically connected with a rechargeable battery.

Further: the tray is provided with a protective frame, the protective frame comprises side rods, cross rods and connecting pieces, an inner regular polygon first connecting hole is formed in the axial direction of the supporting leg, and a regular polygon second connecting hole is formed in the position, corresponding to the supporting leg, of the bearing support part; the side bars penetrate through the bearing support parts and are connected with the supporting feet, cross bars are arranged between the two adjacent side bars, and the cross bars are connected with the side bars through connecting pieces.

Further: the protective cover is sleeved outside the protective frame.

Further: one side of the end beam and one side of the cross beam are provided with hooks with downward openings.

Further: the upper surface of the connecting piece of the protection beam is a horizontal plane or a groove is arranged on the upper surface of the connecting piece.

Further: the bearing support part is any one of a hard planar plate, a hard strip-shaped or block-shaped plate, cloth, a bag or mesh cloth.

The invention has the technical effects that:

the bearing seats in the pallet can be folded, the occupied space is small after folding, the number of empty pallets carried in the unit volume of the vehicle is increased, the conveying capacity is improved, and the unit conveying cost is reduced; the water purifier can be repeatedly used for a plurality of times, and the use cost is reduced; the intelligent box is arranged on the tray, so that the dynamic information of the tray and the goods can be timely known by a user, the planned execution rate and the informatization level of a supply chain are improved, and the goods damage caused by goods theft and goods loading deviation is reduced; the protection frame is added, so that the safety of goods is effectively ensured; the protective frame is sleeved with the protective cover, so that collision or dirty wetting of goods is avoided, and the protective frame is safer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.

In the drawings:

FIG. 1 is a schematic overall structure;

FIG. 2 is a schematic diagram of the explosive structure of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 with a pre-positioning mechanism (latch structure);

FIG. 4 is a schematic view of the structure of the end beam (first or second) of FIG. 1;

FIG. 5 is a schematic view of the structure of the support foot;

FIG. 6 is a schematic view of the connection of the support feet and the end beams in use;

FIG. 7 is a schematic view of the support leg and end beam connection backhaul transport;

FIG. 8 is a schematic view of a first support or a second support in a use state;

FIG. 9 is a second schematic structural view showing the use state of the first support base or the second support base;

FIG. 10 is a schematic view of the load bearing seat in use;

FIG. 11 is a schematic view showing a return transportation state of the first support base or the second support base in FIG. 8 or FIG. 9;

FIG. 12 is a schematic view of a tray with a smart box and LED light strip;

FIG. 13 is a schematic view of a tray structure with a guard rack mounted thereon;

FIG. 14 is a schematic view of the explosive structure of FIG. 13;

FIG. 15 is a schematic of a smart system workflow;

FIG. 16 is a schematic view of a protective beam (with a pre-positioning structure on the support);

FIG. 17 is a schematic view of another guard beam;

fig. 18 is a schematic view of the shield Liang Shouna of fig. 17;

FIG. 19 is an optimized construction of the guard beam of FIG. 17;

the reference numerals of the above figures are as follows:

a load bearing seat 100; a first support base 110, a first end beam 111, a threaded hole 1110, a first beam 112, a second beam 113; a second support base 120, a second end beam 121, a third beam 122, a fourth beam 123; a latch structure 130;

a fifth cross member 140; a sixth cross member 150; an LED light strip 160; a load bearing support 200;

the support leg 300, the base 310, the connecting post 320, the lower screw connection portion 321, the upper screw connection portion 322, the smooth post 323, the regular polygon first connecting hole 330; a hook 400;

a baffle 510, a first lock hole 511, a second lock hole 520, a locking bolt 530 and a column 540;

a guard frame 600, side bars 610, side bar positioning holes 611, cross bars 620, connectors 630;

guard beams 700, grooves 710; a support bar 800, a locating pin 810, an auxiliary post 820; a threaded pipe 900.

Detailed Description

The present invention will be described in detail below with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and the description are for the purpose of illustrating the invention only and are not to be construed as unduly limiting the invention.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1-19, a pallet comprises a first support seat, a second support seat, a protection beam and a bearing support part; the first supporting seat comprises a first end beam, and a first cross beam and a second cross beam which are hinged to the two ends of the first end beam through hinges; the second supporting seat comprises a second end beam, and a third beam and a fourth beam which are hinged at two ends of the second end beam through hinges; the first end beam and the second end beam have the same structure; threaded holes are formed in two ends of each end beam; each threaded hole is spirally connected with a supporting leg; the first cross beam and the third cross beam are connected and fixed at one end of the protection beam, and the second cross beam and the fourth cross beam are connected and fixed at the other end of the protection beam; the protection beam is parallel to the first end beam and the second end beam, so that the first support seat and the second support seat are connected to form a bearing seat; the bearing support part is positioned on the bearing seat.

In the tray, two ends of a first end beam are respectively hinged (through hinges) with a first beam and a second beam, wherein the first beam and the second beam form an included angle of 0-90 degrees with the first end beam respectively at respective hinge points, and the first beam and the second beam rotate in opposite directions to form an included angle of 0 degree with the first end beam for lamination (at the moment, the first beam can be considered to be provided with magnets on a first end beam lamination surface and a second beam and a first end beam lamination surface for mutual attraction, so that the use of rope fixation can be avoided); the two ends of the second end beam are respectively hinged (through hinges) with a third beam and a fourth beam, wherein the third beam and the second beam respectively form an included angle of 0-90 degrees with the first end beam at respective hinge points, the third beam and the fourth beam rotate in opposite directions to form an included angle of 0 degree with the second end beam for lamination (at the moment, the third beam can be considered to be attracted with the second end beam lamination surface and the fourth beam and the second end beam lamination surface, and the use of rope fixation can be avoided); the folding and storing process of the bearing seat in the return transportation process is described above.

After the whole storage, the bag can be packed, and the taking is convenient; the protection beam and the end beam can be fixed by elastic bands, binding bands and the like and then put into a logistics packaging bag.

When the beam is needed to be used, the first beam and the third beam are connected into a fifth beam; the second cross beam and the fourth cross beam are connected into a sixth cross beam, and the protection beam is parallel to the first end beam and the second end beam and is fixed between the fifth cross beam and the sixth cross beam, so that the bearing seat is rectangular or symmetrical hourglass; according to the length of the protection beam.

The connection mode of the protection beam and the beams (the first beam, the second beam, the third beam and the fourth beam) at the two ends of the protection beam is not limited, and the protection beam can be clamped or connected by bolts, and is not limited.

In the use, the protection roof beam can effectually prevent first crossbeam and third crossbeam, second crossbeam and fourth crossbeam in the use, owing to have the collision that the vibration jolted, etc. take place, has improved the safety in utilization of bearing seat, improves overall structure's life.

The connecting end surfaces between the first beam and the third beam, and between the second beam and the fourth beam are serrated surfaces or stepped surfaces; the connecting stability can be improved, and the first cross beam, the third cross beam, the second cross beam and the fourth cross beam can be fixed firstly and then connected with the protection beam through the pre-positioning mechanism; the pre-positioning mechanism may be a latch structure or a buckle structure, which is not limited herein. The latch structure and the buckle structure may be mounted on the bottom surface or the side surface of each beam, which is not limited herein.

The lengths of the first cross beam and the third cross beam are the same or different, and the optimal condition is the same, so that the processing, the manufacturing and the connection are more convenient; the same first beam is the same or different in length from the third beam, and most preferably the same.

The bearing support part can be any one of soft materials such as a hard planar plate, a hard strip plate, cloth, a bag or mesh cloth, and the like, and is selected according to actual goods conditions, and is not limited herein.

The bearing support part is arranged on the bearing seat and is used as a tray to be used in the transportation process; the connection structure mode of the bearing support part on the bearing seat comprises the following modes

1. The bearing support part is fixed on the bearing seat through countersunk bolts;

2. at least two angular positions on the bearing support part are provided with through holes, corresponding positions of the cross beam or the end beam of the bearing seat are provided with cylinders, the through holes on the bearing support part enter the cylinders, and the bearing support part is buckled on the bearing seat; (the positions of the through holes and the cylinders can be exchanged, the through holes are arranged on the bearing seat, and the cylinders are arranged on the bearing support part);

3. magnets with opposite magnetism are respectively arranged on the bearing support part and the bearing seat, and the installation is completed through magnetic attraction;

4. or the upper surface of the cross beam or the end beam of the bearing seat is provided with a sliding groove, the corresponding position on the bearing support part is provided with a sliding block, and the sliding block slides into the sliding groove according to the direction to finish the connection of the bearing support part and the bearing seat; the connection mode is mainly used for the bearing support part of the plate or the slat board.

In order to prolong the service life, the tray is preferably made of ferrous metal, ferrous alloy or lighter weight aluminum alloy, and is more resistant to falling and collision. In order to reduce the weight, the cross beam and the end beam may be configured as hollow tubes or other hollow structures, which are not limited herein.

Two types of protection are provided herein the concrete structure of the beam:

the first structure is shown in fig. 16, grooves are formed in two ends of the protection beam, the protection beam is parallel to the first end beam and the second end beam, and is horizontally arranged between the fifth beam and the sixth beam, and the joint of the first beam and the third beam and the joint of the second beam and the fourth beam are respectively embedded into the grooves.

The protection beam effectively ensures that the connection of the first beam and the third beam and the connection of the second beam and the fourth beam are stable, and the use is safer and more reliable.

The second structure is shown in fig. 17 and 18, and another structure of the protective beam is provided, which is mainly used for preventing the fifth beam and the sixth beam from being impacted by the side surfaces; the concrete structure of the support rod comprises a support rod, wherein the support rod is parallel to a first end beam and a second end beam, two ends of the support rod are propped against the joint of the first beam and a third beam and the joint of the second beam and a fourth beam, and a positioning pin (or a bolt) penetrates through the first beam or the third beam, the second beam or the fourth beam to be connected with the support rod. The connecting stability can be improved under the action of external force on four surfaces among the first beam, the second beam, the third beam and the fourth beam. Improve the stability of crossbeam and conduct the external force that the crossbeam received to the bracing piece. In order to make the connection strength of the positioning pin or the bolt more stable, the threaded pipe 900 is arranged among the first beam, the second beam, the third beam and the fourth beam, so that the connection strength of the bolt or the positioning pin and the supporting rod can be improved, and the transportation stability is ensured. The length of the guard beam is not limited herein.

The supporting legs are connected through threads, the height of the supporting legs can be adjusted, and in return transportation, the lower threads of the supporting legs are screwed into the threaded holes, so that the supporting legs are prevented from being damaged by collision, and the supporting legs can be formed by turning threads on the outer surfaces of cylindrical rod-shaped materials so as to realize supporting function; or other structures, the specific structure of which is not limited herein.

A specific structure of the support foot is provided herein: the support leg comprises a base and a connecting column, a lower threaded connecting part is arranged at the joint of the connecting column and the base, an upper threaded connecting part is arranged at the upper part of the connecting column corresponding to the lower threaded connecting part, and a unthreaded smooth column is arranged between the lower threaded connecting part and the upper threaded connecting part.

The rubber layer is arranged on the bottom surface of the base of the supporting leg, which is in contact with the ground, the rubber material is anti-skid and wear-resistant, and the tray plays a small-range automatic high-low balance role in the uneven ground, so that the levelness of the bearing support part is maintained.

The screw thread of the supporting leg provided herein is divided into a lower screw thread connecting part and an upper screw thread connecting part; the smooth column is arranged between the two threaded connection parts, and the thread structure is not arranged, so that the reason is that: when the support leg is in use, the support leg is connected with the end beam (first or second) through the upper threaded part, so that the support leg plays a supporting role, and the lower threaded connection part of the support leg is connected with the end beam (first or second) during return transportation, and the support leg part is hidden into the end beam (first or second); in the two-process conversion process, the middle light pillar can realize conversion very fast, so that the time is saved, the epitaxial occupied volume of the supporting legs is reduced, and the volume is miniaturized.

In order to reduce weight, the cross sections of the first end beam and the second end beam are rectangular hollow tubes, wherein threaded holes are formed in the lower surface of the end beams. Offer and connect more conveniently at the lower surface, can set up the thickness of lower surface more than the upper surface generally, hollow tube inside can be as the accommodation space of supporting legs, multiple purposes.

In addition, in order to avoid vibration of the supporting leg when the supporting leg is used as a support, the threaded connection is not tight enough, a locking mechanism is added, and the supporting leg is limited to rotate through the locking mechanism. The concrete structure comprises a first lock hole, a second lock hole, a locking bolt and an upright post; the first lock hole is formed in the baffle plate, the baffle plate is fixed on the inner side of the threaded hole, and the upright post is fixed on the outer side of the threaded hole; the second locking hole is arranged at the top of the connecting column, the front end of the locking bolt penetrates through the second locking hole to enter the first locking hole, the tail end of the locking bolt is provided with a circular ring, and the circular ring is sleeved on the upright column.

A baffle plate is welded on the inner side of the threaded hole, a first locking hole is formed in the baffle plate, and a connecting column is welded on the outer side of the baffle plate; the second locking hole is arranged at the top of the connecting column, the front end of the locking bolt penetrates through the second locking hole to enter the first locking hole, the tail end of the locking bolt is provided with a circular ring, and the circular ring is sleeved on the upright post; the lock bolt is stopped in the vibration process of transportation, the threaded connection is prevented from moving up and down, the rear part of the lock bolt is provided with a circular ring which is sleeved on the upright post, the lock bolt is prevented from being lost and moved, and the structure is safe and reliable to use.

The best connection mode of the protection beam is provided: the protection beam comprises a support rod and connecting plates positioned at two ends of the support rod, wherein one connecting plate is connected with the joint of the first beam and the third beam through bolts, and the other connecting plate is connected with the joint of the second beam and the fourth beam through bolts, so that the bearing seat is rectangular.

The bolt passes through the first cross beam or the third cross beam and is connected with a connecting plate; the other bolt passes through the second cross beam or the fourth cross beam and is connected with the connecting plate at the other end of the supporting rod, so that the bearing seat is rectangular, the structure is easy to connect in the process of connection and use, and the supporting effect on the bearing support part in the process of transportation is good.

As shown in fig. 15, in order to ensure convenience of use and intellectualization, the first end beam and the end part of the first end beam are internally provided with an intelligent box, and the intelligent box comprises a rechargeable battery, a controller, a pressure sensor, a positioning device, a receiving and sending device, an LED lamp strip and a buzzer; the pressure sensor, the positioning device, the receiving and sending device, the LED lamp strip and the buzzer are respectively and electrically connected with the controller; the controller, the pressure sensor and the positioning device are respectively and electrically connected with the receiving and sending device, the LED lamp strip and the buzzer; the positioning device sends a signal to the controller, and the controller sends the signal to the remote terminal through the transceiver or alarms through the buzzer; the pressure sensor sends signals to the controller, and the controller sends signals to the remote terminal through the transceiver or alarms through the buzzer.

The pressure sensor can be wired or wireless, is not limited in this regard, and the controller can play a role in alarming for cargo deflection occurring in the loading or carrying process by receiving signals of the pressure sensor; secondly, the information of the loading capacity (such as full load or no load or the residual load) can be sent to a remote terminal through a receiving and sending device, so that the dynamic information of the pallet and the goods can be timely known by a user, and the planned execution rate and the informatization level of a supply chain are improved; in addition, in the transportation process, information such as unbalanced load and falling of goods caused by loading and unloading can be rapidly adopted as emergency intervention measures or as a proof material of goods loss; the user can acquire the cargo loading change condition in time;

the positioning device can transmit positioning information to the controller, the controller actively transmits or passively transmits the transportation position information of the tray to the remote terminal according to the requirement, when the tray enters and exits in the set geographic coordinate area, the positioning device can remotely transmit messages and early warning information to the application management system in real time or at fixed time, and a user can acquire the position information of the tray in time to make relevant research and judgment; the planned execution rate and the informatization level of the supply chain are improved, and the cargo damage risks caused by cargo theft and cargo loading deviation are reduced.

The controller (CPU or PLC or singlechip) is provided with a rechargeable battery, a buzzer and a pressure sensor (wired or wireless); positioning devices (GPS, position tracker), receiving and transmitting devices (GPS modules) already belong to the existing mature technology and do not need to give detailed specific models.

And the first end beam and the second end beam are provided with logistics information storage codes, and the logistics information storage codes can uniquely confirm the identity authentication of the supporting seat and provide third-party logistics application system software to acquire a logistics information carrier. The logistics information storage code comprises, but is not limited to, a bar code, a two-dimensional code or a serial number; the logistic information storage code corresponds to information of goods carried by the pallet each time stored in third-party logistic application system software. The positioning or pressure information sent by the intelligent boxes in each tray is uniquely matched with the logistics information storage codes arranged on the end beams of the trays, the generated data can be shared and managed with the stored information on the third-party logistics application system software, and terminal clients can query and manage the real-time geographic position and cargo loading state information of the corresponding trays at any time by means of the logistics information storage codes on the third-party logistics application system software, so that the problem of logistics information island is solved.

When the pallet carries goods at every logistics node, related operators or equipment perform physical verification and data processing on the third-party logistics application system software corresponding to the logistics information storage code, and correct the data transmitted by the pallet intelligent box with each other, so that the whole-course continuity and integrity of logistics information are realized, and the safety and timeliness of the logistics information are improved.

In order to further improve the loading efficiency and the cargo carrying safety, light holes are formed in the lower bottom surfaces of the first end beam and the second end beam, and LED lamp strips are arranged in the first end beam and the second end beam and are electrically connected with rechargeable batteries. The LED lamp strip radiation light source can be guided by loading and unloading to distinguish loading and unloading areas of the pallet by a forklift driver, so that collision to the pallet and cargoes during forklift operation can be reduced, and loading and unloading efficiency of the pallet is improved.

As shown in fig. 13 and 14, the gravity center deviation unbalance easily occurs after the goods on the tray are stacked up, and the damage of the tray and the goods is caused by side turning collision; to further secure the article: the tray is provided with a protective frame, the protective frame comprises side rods, cross rods and connecting pieces, an inner regular polygon first connecting hole is formed in the axial direction of the supporting leg, and a regular polygon second connecting hole is formed in the position, corresponding to the supporting leg, of the bearing support part; the side bars penetrate through the bearing support parts and are connected with the supporting feet, cross bars are arranged between the two adjacent side bars, and the cross bars are connected with the side bars through connecting pieces.

The side lever bottom is provided with the side lever locating hole, and locking mechanism will stretch into the side lever of supporting legs equally and fix, guarantees the stability of protection frame.

The connecting piece adopts a three-dimensional tee joint, connecting a side rod with the two cross rods; the whole frame serves as a frame, plays a limiting role in loading cargoes, and the frame can be matched with articles such as plates, ropes, chains and cloth bags for use, so that the loading safety can be ensured.

In addition, each outer surface of the three-dimensional tee piece is plane, or a groove is arranged on each outer surface. When the trays are stacked, the supporting feet of the tray disc positioned above are directly seated on the plane of the three-dimensional tee piece or sunk into the groove (when sunk into the groove, the upper tray and the lower tray are more stable), the total weight of the tray above is vertically transferred to the supporting feet through the side rods, and the stacking of the two adjacent trays is more stable; the protective frame can effectively keep the goods in each tray from being pressed.

In addition, a protective cover is sleeved outside the protective frame. The protective cover is a cover bag with meshes or with functions of moisture resistance, collision resistance, static resistance and the like. And the bottom edge of each cover body can be provided with a button hole, so that the fixing is convenient. Effectively prevent goods from being damaged by rain and snow or scattered and lost in transportation.

The thickness, density and form of the protective cover can be changed according to the requirements of goods, besides the mesh cloth or the dampproof cover, the thickness of the protective cover (such as a sponge interlayer) can be increased, the protective cover is heat-insulating and anti-collision, and a protective cover with certain functionality is added. It is also conceivable to apply a fluorescent strip to the protective cover to alert the front and rear vehicles.

In addition, in order to match with the stability of transportation, hooks with downward openings are arranged on one side of the end beams and one side of the cross beams. The goods can be bound on the tray through the rope, so that the tray and the goods are guaranteed to be in an integrated structure.

In addition, the soft bearing support part such as a net and a bag can also be directly matched with the hook through the rope of the soft bearing support part and can be arranged on the bearing seat.

In addition, as shown in fig. 19, in this embodiment, the protection beam is improved, and an upward auxiliary upright post is added in the middle position of the protection beam, and the upright post has a supporting effect on the whole material when the bearing support part is made of soft materials (such as a net bag, soft cloth and a bag), so that the sagging of the material is avoided, and friction is generated between the upright post and the ground.

The above embodiments may be combined with each other, and the combination is not limited herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pallet, characterized in that: the device comprises a first supporting seat, a second supporting seat, a protection beam and a bearing support part;

the first supporting seat comprises a first end beam, and a first cross beam and a second cross beam which are hinged to the two ends of the first end beam through hinges;

the second supporting seat comprises a second end beam, and a third beam and a fourth beam which are hinged at two ends of the second end beam through hinges;

the first end beam and the second end beam have the same structure; threaded holes are formed in two ends of each end beam; the cross sections of the first end beam and the second end beam are rectangular hollow pipes, and threaded holes are formed in the lower surfaces of the end beams;

each threaded hole is spirally connected with a supporting leg;

the support leg comprises a base and a connecting column, a lower threaded connecting part is arranged at the joint of the connecting column and the base, an upper threaded connecting part is arranged at the upper part of the connecting column corresponding to the lower threaded connecting part, and a unthreaded smooth column is arranged between the lower threaded connecting part and the upper threaded connecting part;

the support leg is limited to rotate by the locking mechanism; the locking mechanism comprises a first lock hole, a second lock hole, a locking bolt and an upright post; the first lock hole is arranged on the baffle plate, the baffle plate is fixed at the inner side of the threaded hole, an upright post is fixed at the outer side of the threaded hole; the second locking hole is arranged at the top of the connecting column, the front end of the locking bolt penetrates through the second locking hole to enter the first locking hole, the tail end of the locking bolt is provided with a circular ring, and the circular ring is sleeved on the upright column;

the first cross beam and the third cross beam are connected and fixed at one end of the protection beam, and the second cross beam and the fourth cross beam are connected and fixed at the other end of the protection beam;

the protection beam is parallel to the first end beam and the second end beam, so that the first support seat and the second support seat are connected to form a bearing seat;

the bearing support part is positioned on the bearing seat;

the protection beam comprises a support rod and connecting plates positioned at two ends of the support rod, wherein one connecting plate is connected with the joint of the first beam and the third beam through bolts, and the other connecting plate is connected with the joint of the second beam and the fourth beam through bolts, so that the bearing seat is rectangular.

2. A pallet as claimed in claim 1, characterised in that: the intelligent box comprises a rechargeable battery, a controller, a pressure sensor, a positioning device, a receiving and sending device and a buzzer;

wherein the pressure sensor, the positioning device, the receiving and sending device and the buzzer are respectively and electrically connected with the controller; the controller, the pressure sensor and the positioning device are respectively and electrically connected with the receiving and sending device and the buzzer;

the positioning device sends a signal to the controller, the controller sends an alarm to the remote terminal through the transceiver or through the buzzer;

the pressure sensor sends signals to the controller, and the controller sends signals to the remote terminal through the transceiver or alarms through the buzzer.

3. A pallet as claimed in claim 2, characterised in that: and the first end beam and the second end beam are provided with logistics information storage codes, and the logistics information storage codes are used for a third party to acquire logistics information.

4. A pallet as claimed in claim 3, characterised in that: and light holes are formed in the lower bottom surfaces of the first end beam and the second end beam, an LED lamp strip is arranged in the first end beam and the second end beam, and the LED lamp strip is electrically connected with a rechargeable battery.

5. A pallet as claimed in claim 3, characterised in that: the tray is provided with a protective frame, the protective frame comprises side rods, cross rods and connecting pieces, an inner regular polygon first connecting hole is formed in the axial direction of the supporting leg, and a regular polygon second connecting hole is formed in the position, corresponding to the supporting leg, of the bearing support part;

the side bars penetrate through the bearing support parts and are connected with the supporting feet, cross bars are arranged between the two adjacent side bars, and the cross bars are connected with the side bars through connecting pieces.

6. The tray according to claim 5, wherein: one side of the end beam and one side of the cross beam are provided with hooks with downward openings.