Roll storage device

Abstract

The utility model discloses a roll storage device, which belongs to the technical field of shelves, and includes a main frame and a bearing assembly. The main frame includes a longitudinal beam, a transverse beam and a cross beam. Four longitudinal beams are provided, and the four longitudinal beams are distributed at the four corners of a rectangle. Two cross beams are provided, and one cross beam is provided between each of the two longitudinal beams arranged along a first straight line direction. A plurality of cross beams are provided on the cross beam, and the cross beams extend along a second straight line direction, and the plurality of cross beams are arranged at intervals along the first straight line direction. The bearing assembly is provided on the cross beam, and the bearing assembly includes two bearing plates, which extend along the first straight line direction, and the two bearing plates are spliced ​​with each other along the second straight line direction. The bearing plates are inclined downward from the outside to the inside, and the two bearing plates are provided at a first angle, and the two bearing plates jointly form a bearing surface, and the roll can be placed on the bearing surface. By adjusting the storage and access direction of the roll, the requirements for the channel width are reduced, and the space utilization rate of the warehouse is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of shelves, in particular to a roll-shaped component storage device. Background Art

[0002] In modern logistics and warehousing systems, efficient storage and management of various roll products such as paper rolls, cloth rolls, etc. is an important research topic. In order to improve storage efficiency and utilization, it is particularly important to rationally design the storage racks for roll products.

[0003] The most common roll product storage rack on the market is currently used in both flat and stereoscopic warehouses. Roll products are usually stored with the round surface facing the channel or lane. This design allows the operator fork to easily take the roll product from the channel direction.

[0004] However, the prior art has some significant defects and problems. First, this storage method requires a large width of the channel or lane to accommodate the diameter of the rolled product, resulting in low warehouse space utilization. Second, in order to ensure that the fork can stably store and retrieve the rolled product, its design and manufacturing need to consider a larger span and load capacity, which increases the design difficulty and manufacturing cost of the fork. In addition, there is a risk of the rolled product rolling or sliding during operation, affecting the safety of storage and retrieval. Utility Model Content

[0005] The utility model aims to provide a roll-shaped article storage device to solve the technical problem of low space utilization rate and high cost of the roll-shaped article storage device in the prior art.

[0006] As conceived above, the technical solution adopted by the utility model is:

[0007] A roll storage device, comprising:

[0008] A main frame, the main frame includes a longitudinal beam, a transverse beam and a span beam, four longitudinal beams are provided, the four longitudinal beams are arranged in a rectangular shape and distributed at the four corners of the rectangle, two transverse beams are provided, one transverse beam is provided between each of the two longitudinal beams arranged along the first straight line direction, both ends of the transverse beam are respectively connected to the longitudinal beams, a plurality of span beams are provided on the transverse beam, the span beams extend along the second straight line direction, and a plurality of span beams are arranged at intervals along the first straight line direction;

[0009] A load-bearing assembly, wherein the load-bearing assembly is arranged on the cross beam, and the load-bearing assembly includes two load-bearing plates, wherein the load-bearing plates extend along a first straight line direction, and the two load-bearing plates are spliced ​​with each other along a second straight line direction, and the load-bearing plates are inclined downward from the outside to the inside, and a first angle is formed between the two load-bearing plates, and the two load-bearing plates jointly form a load-bearing surface, and the roll-like member can be placed on the load-bearing surface along the first straight line direction.

[0010] Preferably, a plurality of slots are provided on the longitudinal beam, and the slots are arranged at intervals along the height direction of the longitudinal beam. Buckles are provided at both ends of the cross beam, and the buckles can be selectively engaged with the slots.

[0011] Preferably, the main frame also includes a connecting piece, one of which is provided at each end of the crossbeam, and the connecting piece includes two connecting plates which are arranged at right angles and formed integrally, one of which is welded to the side wall of the longitudinal beam, and the other is bolted to the crossbeam.

[0012] Preferably, a plurality of reinforcing rods are arranged between two adjacent longitudinal beams, and the reinforcing rods and the longitudinal beams are arranged in a triangle.

[0013] Preferably, the bearing assembly further comprises a bearing block, the bearing block is welded to the span beam, and the bearing plate is bolted to the bearing block.

[0014] Preferably, the main frame further comprises a mounting plate, the mounting plate is welded to the bottom of the span beam, and the mounting plate is bolted to the cross beam.

[0015] Preferably, a support base is provided at the bottom of the longitudinal beam, and two locking pins are provided corresponding to each of the support bases. The two locking pins are distributed on both sides of the longitudinal beam, and the locking pins can be passed through the support base and inserted into the ground.

[0016] Preferably, a locking nut is further provided corresponding to each locking pin, the locking nut is threadedly connected to the locking pin, and the locking nut can abut against the support base.

[0017] Preferably, the first angle is greater than or equal to 90 degrees and less than or equal to 180 degrees.

[0018] Preferably, a friction pad is provided on the bearing surface.

[0019] Beneficial effects of the utility model:

[0020] The roll storage device proposed by the utility model has four longitudinal beams distributed at the four corners of the rectangle, and the cross beams provide additional support between the longitudinal beams, so that the entire frame can bear the weight of the roll, and at the same time ensure the reliability and durability of the storage device in use. The multiple cross beams arranged on the cross beams further enhance the structural strength of the storage device. By extending the cross beams along the second straight line direction and arranging them at intervals, the roll can be evenly distributed on the entire storage device, avoiding deformation or damage caused by excessive local force. Through the extension of the two bearing plates along the first straight line direction and the splicing along the second straight line direction, the roll can be stably placed on an inclined bearing surface. The design of the bearing plate tilting downward from the outside to the inside uses gravity to keep the roll more firmly on the bearing surface, avoids rolling or sliding of the roll, and enhances the safety and stability of storage. The first angle between the bearing plates is set so that the two bearing plates jointly form a bearing surface adapted to the shape of the roll, which not only improves the storage stability of the roll, but also reduces the deformation of the roll during the storage process, and protects the integrity and quality of the roll. The utility model adjusts the access direction of the roll-shaped member so that its axis is parallel to the passage or lane, thereby reducing the requirement for the passage width and optimizing the space utilization of the warehouse. At the same time, due to the adjustment of the access direction, the design difficulty and manufacturing cost of the fork are also reduced accordingly, thereby saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view of the roll storage device provided by an embodiment of the utility model;

[0022] Figure 2 It is a side view of the roll storage device provided by an embodiment of the utility model;

[0023] Figure 3 It is a top view of the roll storage device provided by an embodiment of the utility model;

[0024] Figure 4 It is a structural schematic diagram of a bearing assembly provided by an embodiment of the utility model;

[0025] Figure 5 yes Figure 1 The enlarged view of point A in the middle;

[0026] Figure 6 yes Figure 1 The enlarged view of point B in the middle;

[0027] Figure 7 yes Figure 2 Enlarged view of point C in the middle.

[0028] In the figure:

[0029] 100. Rolled articles;

[0030] 10. Main frame; 11. Longitudinal beam; 111. Card slot; 12. Cross beam; 121. Buckle; 13. Cross beam; 14. Connecting plate; 15. Reinforcement rod; 16. Mounting plate; 17. Support base; 18. Locking pin; 19. Locking nut;

[0031] 20. Carrying assembly; 201. First angle; 21. Carrying plate; 210. Carrying surface; 22. Carrying block. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0036] See also Figures 1 to 3The roll storage device provided in the embodiment of the utility model includes a main frame 10 and a bearing assembly 20. Among them, the main frame 10 includes a longitudinal beam 11, a cross beam 12 and a span beam 13. There are four longitudinal beams 11, which are arranged in a rectangular shape and distributed at the four corners of the rectangle. There are two cross beams 12, and a cross beam 12 is arranged between each of the two longitudinal beams 11 arranged along the first straight line direction. The two ends of the cross beam 12 are respectively connected to the longitudinal beams 11. A plurality of span beams 13 are arranged on the cross beam 12, and the span beams 13 extend along the second straight line direction. The plurality of span beams 13 are arranged at intervals along the first straight line direction; the bearing assembly 20 is arranged on the span beam 13, and the bearing assembly 20 includes two bearing plates 21, which extend along the first straight line direction, and the two bearing plates 21 are spliced ​​with each other along the second straight line direction. The bearing plates 21 are inclined downward from the outside to the inside, and the two bearing plates 21 are arranged at a first angle 201. The two bearing plates 21 jointly form a bearing surface 210, and the roll 100 can be placed on the bearing surface 210 along the first straight line direction.

[0037] In this embodiment, the main frame 10 is placed horizontally. For the convenience of description in conjunction with the drawings, the directions below are described in accordance with the directions shown in the drawings, but are not limited thereto.

[0038] Four longitudinal beams 11 are distributed at the four corners of the rectangle, and the cross beams 12 provide additional support between the longitudinal beams 11, so that the entire main frame 10 can bear the weight of the roll 100, while ensuring the reliability and durability of the storage device in use. The multiple cross beams 13 arranged on the cross beams 12 further enhance the structural strength of the storage device. By extending the cross beams 13 along the second straight line direction and arranging them at intervals, the roll 100 can be evenly distributed on the entire storage device, avoiding deformation or damage caused by excessive local force. By extending the two bearing plates 21 along the first straight line direction and splicing them along the second straight line direction, the roll 100 can be stably placed on an inclined bearing surface 210. The design of the bearing plate 21 tilting downward from the outside to the inside uses gravity to keep the roll 100 more firmly on the bearing surface 210, avoiding rolling or sliding of the roll 100, and enhancing the safety and stability of storage. The first angle 201 between the bearing plates 21 is set so that the two bearing plates 21 together form a bearing surface 210 adapted to the shape of the roll 100, which not only improves the storage stability of the roll 100, but also reduces the deformation of the roll 100 during storage, thereby protecting the integrity and quality of the roll 100. The utility model reduces the requirements for the width of the channel and optimizes the space utilization of the warehouse by adjusting the storage and access direction of the roll 100 so that its axis is parallel to the channel or lane. At the same time, due to the adjustment of the storage and access direction, the design difficulty and manufacturing cost of the fork are also reduced accordingly, thereby saving costs.

[0039] Generally speaking, the roll 100 can be a commonly used paper roll, cloth roll, metal roll, etc., which will not be described in detail here. It is understandable that since the columnar member and the roll 100 have similar geometric features and encounter the same problems when storing, the storage device provided in this embodiment can also be applied to the columnar member, which is not limited here.

[0040] In the actual operation site, due to the different on-site environments and actual needs of different occasions, the required storage height of the roll 100 is also different, and needs to be adjusted according to the on-site working conditions. Therefore, a plurality of slots 111 are provided on the longitudinal beam 11, and the slots 111 are arranged at intervals along the height direction of the longitudinal beam 11. Buckles 121 are provided at both ends of the crossbeam 12, and the buckles 121 can be selectively engaged with the slots 111, so that the installation position of the crossbeam 12 can be flexibly adjusted according to actual needs, thereby improving the adaptability of the storage device and meeting the storage requirements of different occasions. The coordinated cooperation of the buckles 121 and the slots 111 simplifies the installation and adjustment process, without the need for additional tools or complicated operating steps, and facilitates the operator to adjust the position of the crossbeam 12, thereby achieving the change of the storage height of the roll 100, and improving the operating efficiency.

[0041] Furthermore, in order to improve the stability and safety of the cross beam 12 and prevent the buckle 121 from slipping off after being engaged, thus causing a potential safety hazard, the storage device further includes a limit pin, and a positioning hole is provided on each buckle 121. After the buckle 121 is engaged with the slot 111, the limit pin is inserted into the positioning hole, thereby limiting the cross beam 12 and preventing the buckle 121 from slipping off, thereby providing higher safety.

[0042] See also Figure 2 and Figure 7 Regarding the specific structure of the main frame 10, the main frame 10 also includes a connector. Each end of the crossbeam 12 is provided with a connector. The connector includes two connecting plates 14 that are arranged at right angles and are integrally formed. One of the connecting plates 14 is welded to the side wall of the longitudinal beam 11, and the other connecting plate 14 is bolted to the crossbeam 12. One of the connecting plates 14 is welded to the side wall of the longitudinal beam 11, and has higher strength and stability; the other connecting plate 14 is connected to the crossbeam 12 by bolts to facilitate installation and disassembly, simplifying the on-site assembly process, making the construction of the device faster and more efficient, and also convenient for later maintenance and overhaul work. The design of the two connecting plates 14 being integrally formed ensures the strength and rigidity of the connecting parts. The two connecting plates 14 are arranged at right angles. On the one hand, they can be fitted with the crossbeam 12 and the longitudinal beam 11 at the same time, and have a higher space utilization rate; on the other hand, the connecting plates 14 with a right-angle design have higher bending and shear resistance, making the connection between the crossbeam 12 and the longitudinal beam 11 more secure, and can effectively resist various forces applied from the outside to prevent the connection from loosening or deformation.

[0043] See also Figure 1 and Figure 6 Specifically, the main frame 10 also includes a mounting plate 16, which is welded to the bottom of the span beam 13 and is bolted to the cross beam 12. The design of the mounting plate 16 makes the connection between the span beam 13 and the cross beam 12 more secure, reduces the possibility of structural loosening and deformation, and improves the bearing capacity and stability of the storage device. The mounting plate 16 is connected to the cross beam 12 by bolts, making the installation and disassembly process simpler and faster. It is convenient for operators to assemble and adjust, saving time and labor costs, improving work efficiency, and also facilitating later maintenance and replacement. The mounting plate 16 is welded to the bottom of the span beam 13 and is bolted to the cross beam 12, so that the force distribution of the entire structure is more uniform. Welding provides a strong fixing effect, while the bolt connection enables the stress to be effectively dispersed, reduces the stress concentration phenomenon, and improves the durability and safety of the overall structure.

[0044] In order to improve the stability of the entire main frame 10, a plurality of reinforcing rods 15 are arranged between two adjacent longitudinal beams 11. The reinforcing rods 15 and the longitudinal beams 11 are arranged in a triangle. The plurality of reinforcing rods 15 are distributed between adjacent longitudinal beams 11, which can evenly disperse the weight of the stored items, improve the overall bearing capacity of the frame, and ensure that it still has high stability under high load conditions. The reinforcing rods 15 and the longitudinal beams 11 are arranged in a triangular structure, which can effectively absorb and disperse energy through the stability unique to its geometric shape, reduce the impact of vibration on the main frame 10 and the roll 100, and improve the seismic resistance of the overall device.

[0045] See also Figure 1 and Figure 5In some cases, when storing heavy-weight rolled-like components 100 such as steel coils, the main frame 10 may be subjected to uneven force from top to bottom, causing the main frame 10 to fall over, thereby causing a safety accident. Therefore, a support base 17 is provided at the bottom of the longitudinal beam 11, and two locking pins 18 are provided corresponding to each support base 17. The two locking pins 18 are distributed on both sides of the longitudinal beam 11. The locking pins 18 can be penetrated through the support base 17 and inserted into the ground, thereby enhancing the overall stability of the main frame 10. The support base 17 increases the contact area between the longitudinal beam 11 and the ground, so that when the storage device bears heavy-weight rolled-like components 100, the load can be more evenly distributed to the ground, reducing the situation of excessive local force. The locking pins 18 are inserted into the ground through the support base 17, which can firmly fix the main frame 10 and prevent it from falling over due to uneven force from top to bottom. Especially when storing heavy-weight rolled-like components 100 such as steel coils, the locking pins 18 provide additional stability and safety, reducing the potential risk of safety accidents. The two locking pins 18 are respectively located on both sides of the longitudinal beam 11. By passing through the support base 17 and inserting it into the ground, double protection is provided, ensuring that the main frame 10 can remain stable under various stress conditions, effectively preventing the storage device from shifting or tilting during transportation and use, and improving the safety of the entire device.

[0046] Furthermore, a locking nut 19 is provided corresponding to each locking pin 18, and the locking nut 19 is threadedly connected to the locking pin 18, and the locking nut 19 can abut against the support base 17. The locking nut 19 is threadedly connected to the locking pin 18 and abuts against the support base 17, providing an additional fixing force to limit the locking pin 18, effectively preventing the locking pin 18 from loosening due to vibration or other external forces, and further improving the stability of the locking pin 18.

[0047] See also Figure 4 Regarding the bearing assembly 20, the bearing assembly 20 also includes a bearing block 22, the bearing block 22 is welded to the cross beam 13, and the bearing plate 21 is bolted to the bearing block 22. By adding the bearing block 22 to the bearing assembly 20, welding the bearing block 22 to the cross beam 13, and then bolting the bearing plate 21 to the bearing block 22, the structure of the entire bearing assembly 20 is made more stable. The welded bearing block 22 provides a solid foundation, enhances the connection strength between the bearing plate 21 and the cross beam 13, and effectively prevents the loosening or displacement of the bearing plate 21. The bolt connection design between the bearing plate 21 and the bearing block 22 makes the installation and disassembly of the bearing plate 21 very convenient. When the bearing plate 21 needs to be replaced or adjusted, it only needs to loosen the bolts to operate, which reduces the complexity and time cost of maintenance work and improves the convenience of operation.

[0048] See also Figure 3During storage, some rolls 100 are relatively long. In order to improve the stability of the rolls 100 during placement, multiple bearing assemblies 20 are provided for the same roll 100, so that the load is evenly distributed and the storage stability of the roll 100 is improved. Furthermore, in order to improve the space utilization and further optimize the bearing effect of the bearing assembly 20, a shorter bearing plate 21 is provided at each end of the roll 100, and a longer bearing plate 21 is provided in the middle of the roll 100, so as to meet the force distribution of the roll 100, so that the bearing plate 21 is evenly loaded and has a better bearing effect.

[0049] Furthermore, a shock-absorbing pad is provided between the bearing block 22 and the bearing plate 21. The shock-absorbing pad can effectively absorb and disperse the vibration and impact force from the roll 100. The shock-absorbing pad acts as a buffer layer, which can reduce the vibration transmitted to the main frame 10, thereby reducing the risk of damage to the entire storage device and the roll 100, and protecting the safety of the equipment and products. In this embodiment, the shock-absorbing pad is a spring pad, which has a strong spring elastic effect and a high shock-absorbing effect. In other embodiments, the shock-absorbing pad can also be a rubber pad, etc., which will not be described in detail here.

[0050] In addition, in order to prevent the roll 100 on the bearing surface 210 from shaking or even falling, causing a safety accident, a friction pad is provided on the bearing surface 210. The friction pad can effectively increase the friction between the roll 100 and the bearing surface 210, prevent the roll 100 from shaking during storage and movement, reduce the possibility of accidental sliding, and ensure the safe storage of the roll 100. In this embodiment, the friction pad is a rubber pad, and the surface of the rubber pad has a large friction coefficient, which can effectively prevent slipping. In addition, the rubber pad also has a certain elastic force, which can achieve a shock-absorbing effect to protect the roll 100. In other embodiments, the friction pad can also be a frosted pad, etc., which is not limited here.

[0051] Regarding the degree of the first angle 201 formed between the two bearing plates 21, the degree of the first angle 201 is greater than or equal to 90 degrees and less than or equal to 180 degrees. The first angle 201 can ensure that the roll 100 has a larger contact area on the bearing surface 210 within the above-mentioned angle range, provide better stability, help to disperse the weight of the roll 100, and prevent it from sliding or rolling. It can prevent the roll 100 from sliding due to the first angle 201 being too large, resulting in poor stability; and it can prevent the first angle 201 from being too small, resulting in a small contact area of ​​the bearing surface 210 and low space utilization. In this embodiment, the degree of the first angle 201 is set to 154 degrees, which is suitable for the size of most rolls 100 and enables the bearing surface 210 to have a higher space utilization. In other embodiments, the degree of the first angle 201 is set according to actual conditions and is not limited here.

[0052] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A roll storage device, characterized in that: include: A main frame (10), the main frame (10) comprising a longitudinal beam (11), a transverse beam (12) and a span beam (13), four longitudinal beams (11) being arranged in a rectangular shape and distributed at the four corners of the rectangle, two transverse beams (12) being arranged, one transverse beam (12) being arranged between each of the two longitudinal beams (11) arranged along a first straight line direction, two ends of the transverse beam (12) being respectively connected to the longitudinal beam (11), a plurality of span beams (13) being arranged on the transverse beam (12), the span beams (13) extending along a second straight line direction, and a plurality of the span beams (13) being arranged at intervals along the first straight line direction; A bearing assembly (20), the bearing assembly (20) being arranged on the span beam (13), the bearing assembly (20) comprising two bearing plates (21), the bearing plates (21) extending along a first straight line direction, the two bearing plates (21) being spliced ​​with each other along a second straight line direction, the bearing plates (21) being inclined downward from the outside to the inside, the two bearing plates (21) being arranged at a first angle (201) therebetween, the two bearing plates (21) jointly forming a bearing surface (210), and the roll-shaped member (100) being able to be placed on the bearing surface (210) along the first straight line direction.

2. The roll storage device according to claim 1, characterized in that: The longitudinal beam (11) is provided with a plurality of slots (111), the slots (111) being arranged at intervals along the height direction of the longitudinal beam (11), and buckles (121) are provided at both ends of the cross beam (12), the buckles (121) being capable of selectively engaging with the slots (111).

3. The roll storage device according to claim 1, characterized in that: The main frame (10) further comprises a connecting member, one of the connecting members being provided at each end of the cross beam (12), the connecting member comprising two connecting plates (14) arranged at right angles and formed integrally, one of the connecting plates (14) being welded to the side wall of the longitudinal beam (11), and the other of the connecting plates (14) being bolted to the cross beam (12).

4. The roll storage device according to claim 1, characterized in that: A plurality of reinforcing rods (15) are arranged between two adjacent longitudinal beams (11), and the reinforcing rods (15) and the longitudinal beams (11) are arranged in a triangle.

5. The roll storage device according to claim 1, characterized in that: The bearing assembly (20) further comprises a bearing block (22), wherein the bearing block (22) is welded to the span beam (13), and the bearing plate (21) is bolted to the bearing block (22).

6. The roll storage device according to claim 1, characterized in that: The main frame (10) further comprises a mounting plate (16), wherein the mounting plate (16) is welded to the bottom of the cross beam (13), and the mounting plate (16) is bolted to the cross beam (12).

7. The roll storage device according to claim 1, characterized in that: A support base (17) is provided at the bottom of the longitudinal beam (11), and two locking pins (18) are provided corresponding to each of the support bases (17). The two locking pins (18) are distributed on both sides of the longitudinal beam (11), and the locking pins (18) can be passed through the support base (17) and inserted into the ground.

8. The roll storage device according to claim 7, characterized in that: A locking nut (19) is also provided corresponding to each locking pin (18); the locking nut (19) is threadedly connected to the locking pin (18); and the locking nut (19) can abut against the support base (17).

9. The roll storage device according to any one of claims 1 to 8, characterized in that: The first angle (201) is greater than or equal to 90 degrees and less than or equal to 180 degrees.

10. The roll storage device according to any one of claims 1 to 8, characterized in that: A friction pad is provided on the bearing surface (210).

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