Enclosed storage yard support device and enclosed storage yard

Abstract

The application relates to the technical field of stockyards, and discloses a closed stockyard supporting device and a closed stockyard. The closed stockyard supporting device comprises a supporting mechanism, a plurality of columns and a working platform. The plurality of columns are suitable for being installed in the middle region of the closed stockyard and are arranged equidistantly along the longitudinal direction of the closed stockyard. The working platform is arranged on the plurality of columns and extends along the arrangement direction of the plurality of columns. A stacking mechanism is arranged on the working platform and can move along the working platform. One end of the stacking mechanism is suitable for being connected with a feeding mechanism of the closed stockyard, and the other end is used for stacking. The stacking mechanism is provided with at least two, which are independently arranged on the two sides of the working platform. The two stacking mechanisms are independently arranged on the two sides of the working platform and can move along the working platform, can uniformly store the materials in the closed stockyard, and the two stacking mechanisms do not interfere with each other, so that the working efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stockyard, in particular to a closed stockyard support device and a closed stockyard. BACKGROUND

[0002] With the increasing emphasis on environmental protection, sustainable development, operating cost competitiveness and other aspects at home and abroad, closed stockyards have begun to appear and have some applications in power plants, building materials, metallurgy, grain and other industries, and have obvious advantages over open stockyards in environmental protection, consumption reduction, emission reduction, energy saving, land saving and stable production.

[0003] The existing closed stockyard is provided with a stock storage area extending along the longitudinal direction thereof, and the stock storage area is enclosed by a net rack. First, a feeding mechanism is used to transport the material to a stacking mechanism, and then the stacking mechanism lifts the material to a certain height and then drops it into the stock storage area for storage.

[0004] The disadvantage is that the installation position of the stacking mechanism is fixed, the height and angle of the transported material are limited, the actual storage space is limited, and the material is not evenly arranged in the stock storage area, resulting in low storage capacity and low work efficiency. SUMMARY

[0005] Therefore, the present application provides a closed stockyard support device and a closed stockyard to solve the problem of uneven arrangement of materials in the stock storage area of the closed stockyard and low work efficiency.

[0006] In a first aspect, the present application provides a closed stockyard support device, comprising: a support mechanism comprising a plurality of columns and a working platform; the plurality of columns are adapted to be installed in the middle region of the closed stockyard and are arranged equidistantly along the longitudinal direction of the closed stockyard; the working platform is provided on the plurality of columns and extends along the arrangement direction of the plurality of columns; a stacking mechanism is provided on the working platform and is movable along the working platform; one end of the stacking mechanism is adapted to be connected with a feeding mechanism of the closed stockyard, and the other end is used for stacking; the stacking mechanism is provided with at least two, which are independently provided on both sides of the working platform.

[0007] Beneficial effects: the two stacking mechanisms are independently provided on both sides of the working platform and are movable along the working platform, which can uniformly store the material in the closed stockyard, and the two stacking mechanisms do not interfere with each other, which can effectively improve the work efficiency. When one of the stacking mechanisms needs to be repaired or fails, the other stacking mechanism can continue to realize the stacking operation, improve the fault tolerance of the closed stockyard support device, and reduce the operation and maintenance cost. Since the stacking mechanism is provided on the working platform of the support mechanism, the stacking height is not limited by the height of the stacking mechanism itself, and under the condition that the mechanical angle of the stacking mechanism is certain, the stacking height of the stacking mechanism can be significantly increased, and the storage capacity can be improved.

[0008] In an alternative embodiment, the working platform comprises a first platform and a second platform; the first platform is arranged on top of the plurality of columns, and the lower surface of the first platform is provided with a pair of first tracks along the arrangement direction of the plurality of columns; the second platform is arranged at the middle position in the height direction of the plurality of columns; and the upper surface of the second platform is provided with at least a pair of second tracks along the arrangement direction of the plurality of columns; and the two stockpiling mechanisms are respectively slidably connected with the pair of first tracks and the pair of second tracks.

[0009] Beneficial effects: The stockpiling mechanisms are respectively slidably connected with the pair of first tracks and the pair of second tracks, which raises the height of the stockpiling mechanisms, increases the stockpiling height, and thus increases the storage capacity. The stockpiling mechanisms move at the first tracks and the second tracks, and are subjected to uniform force, so that the weight of the counterweight required by the stockpiling mechanisms is greatly reduced, and thus the weight of the entire enclosed storage yard support device is reduced, and the safety is improved.

[0010] In an alternative embodiment, the width of the first platform is greater than the width of the column; the width of the second platform is greater than the width of the first platform, and a pair of inclined struts is arranged between the outer edges of the two sides of the second platform and the column; and the inclined struts are located at the bottom of the second platform.

[0011] Beneficial effects: Through the size design of the first platform, the second platform and the column, the working space of the first platform and the second platform is increased, the net distance between the two stockpiling mechanisms is effectively reduced, the internal space of the enclosed storage yard is fully utilized, the span of the enclosed storage yard is reduced under the same storage space, and good economic benefits are achieved. Through the arrangement of the pair of inclined struts, the second platform, the inclined struts and the column form a triangular structure, which provides a vertical fulcrum for the second platform and increases the rigidity of the second platform, so that the vertical displacement of the second platform caused by the load of the stockpiling mechanisms is reduced.

[0012] In an alternative embodiment, the column comprises a first support column, a second support column and a plurality of cross beams; the first support column and the second support column are arranged opposite to each other in the height direction of the column; and the plurality of cross beams are horizontally and equidistantly arranged between the first support column and the second support column.

[0013] Beneficial effects: The column adopts the lattice column support structure composed of the first support column, the second support column and the plurality of cross beams, which improves the rigidity of the column while reducing the material consumption for manufacturing the column and the manufacturing cost and total weight of the column.

[0014] In an alternative embodiment, one of the cross beams located at the middle position in the height direction of the column horizontally extends outward to support the second platform; and the first support column and the second support column are respectively retracted inward at the second platform.

[0015] Beneficial effects: extending the cross beam outward to support the second platform can improve the support performance of the second platform and facilitate installation. The first support column and the second support column are respectively retracted inward at the second platform, which can shorten the net distance between the two stacking mechanisms, thereby shortening the space occupied by the column. Under the condition that the storage space of the enclosed storage yard is the same, the span of the enclosed storage yard is reduced, thereby reducing the material consumption of the net rack of the enclosed storage yard, reducing the use cost of the enclosed storage yard, and facilitating promotion.

[0016] In an alternative embodiment, the cross beam comprises a pair of sub-beams; the pair of sub-beams are fixed on the opposite sides of the top of the column by cast-in-place concrete; the lower surfaces of the pair of sub-beams are respectively provided with first tracks along the arrangement direction of the plurality of columns.

[0017] Beneficial effects: The pair of sub-beams are fixed on the opposite sides of the top of the column by cast-in-place concrete, and the pair of sub-beams can form a complete support, which has better support performance and improves the lateral stiffness and safety of the first track.

[0018] In an alternative embodiment, the bottom of the column is provided with a stepped foundation, which is suitable for fixed connection with the bottom working surface of the enclosed storage yard.

[0019] Beneficial effects: The stepped foundation can effectively ensure the safety and stability of the column and reduce the material consumption of the column, further reducing the manufacturing cost of the column.

[0020] In a second aspect, the present application also provides an enclosed storage yard, comprising: a pair of supports, respectively located on both sides of the enclosed storage yard, suitable for fixed connection with the ground; a net rack, both ends of which are fixed on the pair of supports; the above-mentioned enclosed storage yard support device; the middle part of the net rack in the width direction is fixed on the top of the plurality of columns; the height of the column is greater than the height of the support; a feeding mechanism, one end of which is fixedly connected with the top of the column and connected with the stacking mechanism through a conveying belt, for transporting materials.

[0021] Beneficial effects: The present application independently sets two stacking mechanisms on both sides of the working platform, and the two stacking mechanisms can move along the working platform, which can uniformly store materials in each space of the enclosed storage yard, and the two stacking mechanisms do not interfere with each other, which can effectively improve the work efficiency. The plurality of columns can also fix the middle part of the net rack in the width direction, and the net rack and the column do not have gaps and do not have extra storage space, which is beneficial to save the use cost. The both ends of the net rack are fixed on the pair of supports, and the height of the column is greater than the height of the support, so that the column is relatively high from the ground, and the pair of supports has a certain height from the ground, so as to save the material consumption of the net rack, improve the storage space of the enclosed storage yard, and reduce the use cost.

[0022] In an alternative embodiment, the cross section of the net rack is an arc or a broken line connected at both ends, and the middle part fixed to the column extends towards the column; the two ends of the net rack are closed and form a storage area of the enclosed storage yard with a pair of supports; and the plurality of columns divide the storage area into two independent areas.

[0023] Beneficial effects: The cross section of the net rack is set as an arc or a broken line connected at both ends, which can effectively increase the span of the storage area and increase the storage space of the storage area.

[0024] In an alternative embodiment, the middle part of the net rack is fixedly connected to the top of the support mechanism through the support embedded part.

[0025] Beneficial effects: The support embedded part is arranged at the top of the support mechanism as a support point of the middle part of the net rack, which reduces the material consumption of the net rack, increases the storage space of the storage area, and further increases the economic benefits of the enclosed storage yard. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1 FIG. 1 is a lateral cross-sectional view of an enclosed storage yard support device according to an embodiment of the present application;

[0028] Figure 2 FIG. 2 is a structural schematic view of a support mechanism in FIG. 1; Figure 1

[0029] Figure 3 FIG. 3 is a front view of a column in FIG. 1; Figure 1

[0030] Figure 4 FIG. 4 is a lateral cross-sectional view of an enclosed storage yard according to an embodiment of the present application;

[0031] Figure 5 FIG. 5 is a top view of an enclosed storage yard according to an embodiment of the present application.

[0032] Legend of reference signs:

[0033] ​​1, support mechanism; 101, column; 1011, first support column; 1012, second support column; 1013, cross beam; 10131, sub-beam; 102, working platform; 1021, first platform; 1022, second platform; 1023, first track; 1024, second track; 103, diagonal brace; 2, stacking mechanism; 3, step foundation; 4, support; 5, net rack; 6, support embedded part. DETAILED DESCRIPTION

[0034] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0035] The present application aims at the uneven arrangement of materials in the storage area of the existing closed storage yard and the low work efficiency, and proposes that two stacking mechanisms are independently arranged on the two sides of the working platform and can move along the working platform, so that the materials can be uniformly stored in the closed storage yard, the two stacking mechanisms do not interfere with each other, and the work efficiency can be effectively improved.

[0036] The embodiments of the present application will be described below with reference to the accompanying drawings. Figures 1 to 5

[0037] According to the embodiments of the present application, on the one hand, a closed storage yard support device is provided, mainly comprising: a support mechanism 1 and a stacking mechanism 2. The support mechanism 1 comprises a plurality of columns 101 and a working platform 102. The plurality of columns 101 are adapted to be installed in the middle region of the closed storage yard and are arranged equidistantly along the longitudinal direction of the closed storage yard. The working platform 102 is arranged on the plurality of columns 101 and extends along the arrangement direction of the plurality of columns 101. The stacking mechanism 2 is arranged on the working platform 102 and can move along the working platform 102. One end of the stacking mechanism 2 is adapted to be connected with a feeding mechanism of the closed storage yard, and the other end is used for stacking; the stacking mechanism 2 is provided with at least two, which are independently arranged on the two sides of the working platform 102.

[0038] ​The two stacking mechanisms 2 are respectively independently arranged on the two sides of the working platform 102 and can move along the working platform 102, and can uniformly store materials in each space of the enclosed storage yard. The two stacking mechanisms 2 do not interfere with each other, and the working efficiency can be effectively improved. When one of the stacking mechanisms 2 needs to be repaired or fails, the stacking operation can be continued through the other stacking mechanism 2, the fault tolerance of the enclosed storage yard supporting device is improved, and the operation and maintenance cost is reduced. Since the stacking mechanism 2 is arranged on the working platform 102 of the supporting mechanism 1, the stacking height is not limited by the height of the stacking mechanism 2 itself, and a support frame for the stacking mechanism 2 is not needed. Under the condition that the mechanical elevation angle of the stacking mechanism 2 is certain, the stacking height of the stacking mechanism 2 can be significantly increased, and the storage capacity is improved.

[0039] Specifically, the bottom of the column 101 is fixedly installed in the middle region of the bottom surface of the enclosed storage yard. The arrangement form of the column 101 is linear. In order to reduce the manufacturing cost, a linear arrangement form is taken as an example for description in the embodiment. The number of the columns 101 and the spacing between them are mainly determined by the longitudinal length of the enclosed storage yard and the stacking mechanism 2 and its load. The specific arrangement can be determined according to specific needs, and the embodiment does not make too many limitations on this.

[0040] In one embodiment, the working platform 102 includes a first platform 1021 and a second platform 1022. The first platform 1021 is arranged on the top of the plurality of columns 101. The lower surface of the first platform 1021 is provided with a pair of first rails 1023 along the arrangement direction of the plurality of columns 101. The second platform 1022 is arranged at the middle position in the height direction of the plurality of columns 101. The upper surface of the second platform 1022 is provided with at least a pair of second rails 1024 along the arrangement direction of the plurality of columns 101. The first platform 1021 and the second platform 1022 are arranged horizontally and parallel. Correspondingly, the first rails 1023 and the second rails 1024 are also arranged parallel. The two stacking mechanisms 2 are respectively slidably connected with the pair of first rails 1023 and the pair of second rails 1024, which raises the height of the stacking mechanism 2, improves the stacking height, and thus improves the storage capacity.

[0041] The stacking mechanism 2 moves at the first rails 1023 and the second rails 1024, and the supporting mechanism 1 bears the gravity load uniformly, so that the weight of the counterweight required by the stacking mechanism 2 is greatly reduced, and thus the weight of the entire enclosed storage yard supporting device can be reduced, which is convenient for use. In addition, it can also prevent the side of the stacking mechanism 2 from overturning due to excessive weight, and improve the safety.

[0042] Specifically, the two stockpiling mechanisms 2 can be slidably connected with a pair of first tracks 1023 and a pair of second tracks 1024 by rollers. The stockpiling mechanisms 2 also need to be provided with driving mechanisms as power sources for driving the rollers to roll along the first tracks 1023 and the second tracks 1024, so as to realize the movement of the stockpiling mechanisms 2 on the working platform 102. The driving mechanisms can adopt any existing structure, and the specific settings can be made according to needs, which are not limited in the embodiment.

[0043] In one embodiment, the stockpiling mechanisms 2 can adopt cantilever stackers. The feeding mechanism of the enclosed storage yard transports materials to one end of the cantilever stacker through a conveyor belt, and the cantilever stacker sends the materials out from the other end to the enclosed storage yard for stockpiling. Of course, other conventional stockpiling mechanisms can also be selected according to needs, such as bucket wheel machines, scraper machines, etc.

[0044] The enclosed storage yard supporting device further comprises a steel cable winch for adjusting the pitch height of the stockpiling mechanisms 2. The driving mechanisms, the steel cable winch and part of the equipment of the enclosed storage yard can be directly installed on the working platform 102 for convenience.

[0045] In order to save costs and consider the structural stability of the stockpiling mechanisms 2, as shown in FIGS. 1, 2 and 3, two stockpiling mechanisms 2 are provided in the embodiment, and two pairs of second tracks 1024 are provided as an example for description. Figure 1 Figure 2 As shown in FIGS. 1, 2 and 3, two stockpiling mechanisms 2 are provided in the embodiment, and two pairs of second tracks 1024 are provided as an example for description. The four second tracks 1024 are symmetrically distributed on the upper surface of the second platform 1022. The two stockpiling mechanisms 2 are slidably connected with one first track 1023 and one pair of second tracks 1024 respectively.

[0046] In one embodiment, the width of the first platform 1021 is greater than the width of the column 101. The width of the second platform 1022 is greater than the width of the first platform 1021. The first platform 1021, the second platform 1022 and the column 101 form a I-shaped structure, which is more stable. Through the size design of the first platform 1021, the second platform 1022 and the column 101, the working space of the first platform 1021 and the second platform 1022 is also increased. The net distance between the two stockpiling mechanisms 2 is effectively reduced, the internal space of the enclosed storage yard is fully utilized, the span of the enclosed storage yard is reduced under the same storage space, and good economic benefits are obtained.

[0047] ​A pair of inclined braces 103 are arranged between the outer edges of the two sides of the second platform 1022 and the columns 101. The inclined braces 103 are arranged at the bottom of the second platform 1022. By arranging the pair of inclined braces 103, the second platform 1022, the inclined braces 103 and the columns 101 form a triangular structure, which provides a vertical fulcrum for the second platform 1022, increases the rigidity of the second platform 1022, and reduces the vertical displacement of the second platform 1022 caused by the load of the stacking mechanism 2. The columns 101 and the inclined braces 103 are made of concrete to withstand the pressure of the stacking mechanism 2 and the materials.

[0048] In one embodiment, as shown in Figure 3 The column 101 includes a first support column 1011, a second support column 1012 and a plurality of cross beams 1013. The first support column 1011 and the second support column 1012 are arranged opposite to each other along the height direction of the column 101. The plurality of cross beams 1013 are installed horizontally and equidistantly between the first support column 1011 and the second support column 1012 to form a lattice column support structure, which improves the rigidity of the column 101 while reducing the amount of material used to manufacture the column 101, thereby reducing the manufacturing cost and the total weight of the column 101.

[0049] Specifically, one of the cross beams 1013 located at the middle position in the height direction of the column 101 extends outward horizontally to support the second platform 1022, which improves the support performance of the second platform 1022 and facilitates installation. The first support column 1011 and the second support column 1012 are respectively retracted inward at the second platform 1022, so that the width of the upper end of the column 101 is smaller than the width of the lower end. This can shorten the net distance between the two stacking mechanisms 2, thereby shortening the occupied space at the upper end of the column 101. In the case of the same storage space of the enclosed storage yard, the span of the enclosed storage yard is reduced, thereby reducing the amount of material used for the net rack 5 of the enclosed storage yard, thereby reducing the use cost of the enclosed storage yard, and facilitating popularization.

[0050] In addition, the cross beam 1013 includes a pair of sub-beams 10131. One side of the pair of sub-beams 10131 is respectively fixed to the opposite sides of the top of the column 101 by the cast-in-place concrete method, which can form a complete support, has better support performance, and improves the lateral rigidity and safety of the first track 1023.

[0051] As shown in Figure 3As shown, the sub-beams 10131 can adopt an inverted L shape, and the outer side forms a vertical baffle, and the first track 1023 is fixed on the inner wall of the baffle to form a barb to prevent the stacking mechanism 2 from overturning. The first platform 1021 is fixedly arranged on the upper surface of the pair of sub-beams 10131, and the sub-beams 10131 of the plurality of columns 101 are connected to form a horizontal working plane. The two stacking mechanisms 2 are respectively located in the accommodating space formed by the pair of sub-beams 10131 and the horizontally outward extending cross beam 1013, which is compact in structure and strong in support.

[0052] In one embodiment, the column 101 is provided with a stepped foundation 3 which is adapted to be fixedly connected with the bottom working surface of the enclosed storage yard. The stepped foundation 3 is a stepped foundation with areas decreasing from bottom to top, which can be made of concrete. The bottom of the stepped foundation 3 needs to be buried underground to improve the support performance. The stepped foundation 3 can effectively ensure the safety and stability of the column 101, and can reduce the material consumption of the column 101, further reducing the manufacturing cost of the column 101. The bottom working surface of the enclosed storage yard can be directly selected as a flat ground, of course, the bottom working surface of the enclosed storage yard can also be treated according to actual needs, for example, laying a concrete pavement on the bottom working surface of the enclosed storage yard.

[0053] According to the embodiment of the present application, on the other hand, an enclosed storage yard is also provided, mainly comprising: a pair of supports 4, a net rack 5, the above-mentioned enclosed storage yard supporting device and a feeding mechanism (not shown in the figure). The pair of supports 4 are respectively located on both sides of the enclosed storage yard and are adapted to be fixedly connected with the ground. The net rack 5 is fixed at both ends on the pair of supports 4. The middle part of the net rack 5 in the width direction is fixed on the top of the plurality of columns 101. The height of the column 101 is greater than the height of the support 4. One end of the feeding mechanism is fixedly connected with the top of the column 101, and the feeding mechanism is connected with the stacking mechanism 2 through a conveying belt, and is used for transporting materials.

[0054] The present application independently sets two stacking mechanisms 2 on both sides of the working platform 102, and the two stacking mechanisms 2 can move along the working platform 102, which can uniformly store materials in each space of the enclosed storage yard, and the two stacking mechanisms 2 do not interfere with each other, which can effectively improve the working efficiency.

[0055] Compared with the structure that the net rack 5 is directly fixed on both sides of the closed storage yard in the traditional closed storage yard, the storage space between the stacking mechanism 2 and the net rack 5 cannot be effectively utilized. In the embodiment, the middle part of the net rack 5 in the width direction is fixed on the top of the plurality of columns 101. The middle part of the net rack 5 and the column 101 do not leave a gap, the gap between the net rack 5 and the stacking mechanism 2 is shortened, the storage space utilization rate is improved, and the use cost is also saved.

[0056] Specifically, the closed storage yard includes but is not limited to a coal yard, a sand yard and the like. The coal yard is taken as an example for description in the embodiment. The net rack 5 is a closed net rack 5, which can be made of steel.

[0057] In one embodiment, the cross section of the net rack 5 is an arc or a broken line shape connected at both ends, and the middle part fixed with the column 101 extends towards the column 101, which can effectively increase the span of the storage area and increase the storage space of the storage area.

[0058] In one embodiment, as shown in Figure 4 The net rack 5 is composed of two arc-shaped ends to form an M-shaped structure. The two ends of the net rack 5 are closed and form a storage area of the closed storage yard with the pair of supports 4. The plurality of columns 101 divides the storage area into two independent areas, and the two stacking mechanisms 2 respectively store materials in the two independent areas.

[0059] In addition, the distance between the top of the column 101 and the working bottom surface of the closed storage yard is 20 to 30 meters. The column 101 is relatively high, and the overall height of the net rack 5 is also increased to increase the storage height of the storage area, that is, to increase the storage capacity. At the same time, the distance that the net rack 5 extends towards the column 101 is shortened, which reduces the volume of the net rack 5 and saves the amount of steel, thereby reducing the use cost.

[0060] In one embodiment, the middle part of the net rack 5 is fixedly connected with the top of the support mechanism 1 through the support embedded part 6. The support embedded part 6 serves as a support point of the middle part of the net rack 5, which reduces the material consumption of the net rack 5, increases the storage space of the storage area, and further increases the economic benefits of the closed storage yard.

[0061] The working process of the embodiment of the present application is as follows:

[0062] First, the coal is transported to one end of the feeding mechanism by the transport vehicle, and the feeding mechanism lifts the coal by the transport belt and transports it to the transport belt at one end of the cantilever type stacker. The cantilever type stacker lifts the coal and sends it to the storage area for storage. When the height of the coal is saturated, the driving mechanism is started, and the cantilever type stacker moves along the first track 1023 and the second track 1024 to the idle area of the storage area for stacking operation until the material transportation is completed or the storage area is full.

[0063] To realize the basic function of the closed storage yard, the closed storage yard in the embodiment can also include other necessary modules or components, such as a controller, a wire, etc. It should be noted that the other necessary modules or components included in the closed storage yard can be selected from any suitable existing configuration. To clearly and simply illustrate the technical solutions provided in the embodiment, the above-mentioned parts will not be described in detail here, and the accompanying drawings are also simplified accordingly. However, it should be understood that the embodiments of the present application are not limited in scope by this.

[0064] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. A closed-type material storage yard support device, characterized in that, include: The support mechanism (1) includes multiple columns (101) and a working platform (102); the multiple columns (101) are adapted to be installed in the middle area of ​​the enclosed storage yard and are arranged at equal intervals along the longitudinal direction of the enclosed storage yard; the working platform (102) is provided on the multiple columns (101) and extends along the arrangement direction of the multiple columns (101); A stacking mechanism (2) is provided on the working platform (102) and can move along the working platform (102); one end of the stacking mechanism (2) is adapted to be connected to the feeding mechanism of the closed storage yard, and the other end is used for stacking materials; At least two stacking mechanisms (2) are provided, each independently located on both sides of the working platform (102); The working platform (102) includes a first platform (1021) and a second platform (1022); the first platform (1021) is located on top of the plurality of columns (101), and a pair of first tracks (1023) are provided on the lower surface of the first platform (1021) along the arrangement direction of the plurality of columns (101); the second platform (1022) is located at the middle position in the height direction of the plurality of columns (101); at least a pair of second tracks (1024) are provided on the upper surface of the second platform (1022) along the arrangement direction of the plurality of columns (101); the two stacking mechanisms (2) are slidably connected to the pair of first tracks (1023) and the pair of second tracks (1024) respectively; The column (101) includes a first support column (1011), a second support column (1012), and a plurality of crossbeams (1013); the first support column (1011) and the second support column (1012) are arranged facing each other along the height direction of the column (101); the plurality of crossbeams (1013) are horizontally and equidistantly installed between the first support column (1011) and the second support column (1012); The crossbeam (1013) includes a pair of sub-beams (10131); the pair of sub-beams (10131) are fixed to the opposite sides of the top of the column (101) by cast-in-place concrete; the lower surfaces of the pair of sub-beams (10131) are respectively provided with first tracks (1023) along the arrangement direction of the plurality of columns (101). The sub-beam (10131) is inverted L-shaped with a vertical baffle on the outside. The first track (1023) is fixed on the inner wall of the baffle to form a hook, which can prevent the stacking mechanism (2) from tipping over.

2. The closed storage yard support device according to claim 1, characterized in that, The width of the first platform (1021) is greater than the width of the column (101); the width of the second platform (1022) is greater than the width of the first platform (1021), and a pair of diagonal braces (103) are provided between the outer edges of the two sides of the second platform (1022) and the column (101); the diagonal braces (103) are located at the bottom of the second platform (1022).

3. The closed storage yard support device according to claim 1, characterized in that, A crossbeam (1013) located at the middle position in the height direction of the column (101) extends horizontally outward to support the second platform (1022); the first support column (1011) and the second support column (1012) are respectively recessed inward at the second platform (1022).

4. The closed storage yard support device according to claim 3, characterized in that, The column (101) is provided with a stepped foundation (3) at the bottom, which is suitable for fixed connection with the bottom working surface of the enclosed storage yard.

5. A closed storage yard, characterized in that, include: A pair of supports (4) are located on both sides of the enclosed storage yard, and are suitable for fixed connection with the ground; The space frame (5) is fixed at both ends to a pair of supports (4); The closed storage yard support device according to any one of claims 1 to 4; the middle part of the mesh frame (5) in the width direction is fixed to the top of the plurality of columns (101); the height dimension of the column (101) is greater than the height dimension of the support (4); The feeding mechanism is fixedly connected at one end to the top of the column (101) and connected to the stacking mechanism (2) via a conveyor belt for transporting materials.

6. The enclosed storage yard according to claim 5, characterized in that, The cross-section of the grid frame (5) is an arc or zigzag shape with both ends connected, and the middle part fixed to the column (101) extends toward the column (101); the two ends of the grid frame (5) are closed, and together with a pair of supports (4), they form the storage area of ​​the closed storage yard; the multiple columns (101) divide the storage area into two independent areas.

7. The enclosed storage yard according to claim 6, characterized in that, The middle part of the space frame (5) is fixedly connected to the top of the support mechanism (1) through the support embedded part (6).

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