A net rack and a dry coal shed

Abstract

The utility model relates to a kind of net rack and dry coal shed.This net rack includes frame body and first rustproof structure, frame body includes multiple support rods and multiple connecting pieces, connecting piece is provided with connecting slot, at least part support rod is connected in connecting slot, multiple support rods are connected with connecting piece to constitute frame body corresponding;First rustproof structure includes air bag, first connecting pipe and first piston, air bag is annularly arranged in the inner wall of connecting slot, first piston is arranged in the one end of support rod connected in connecting slot, the first end of first connecting pipe is communicated with air bag, the second end of first connecting pipe is communicated with connecting slot, when support rod enters connecting slot, first piston can push the gas in connecting slot along first connecting pipe into air bag, air bag expands to block the circumferential gap of support rod and connecting slot.By setting first rustproof structure, it can prevent external moisture from entering the connecting area of support rod and connecting piece, prevent moisture erosion from causing support rod and connecting piece to rust, reduce the risk of net rack deformation, collapse etc.

Description

Technical Field

[0001] This utility model relates to the field of coal storage technology, and in particular to a wire mesh frame and dry coal shed. Background Technology

[0002] In the field of coal storage technology, spatial grid structures are widely used in dry coal sheds to obtain large-span, large-capacity enclosed storage spaces. Existing dry coal sheds typically use multiple steel pipes assembled with bolted ball joints to form an integral grid structure, achieving a balance between lightweight and high strength.

[0003] However, the connection between the bolt ball and the steel pipe is not only the main force transmission part of the space frame structure, but also a weak point in the seal. It is prone to water ingress between the bolt ball and the steel pipe due to improper sealing and rainwater leakage. The continuous erosion of water will cause corrosion of the steel pipe and connecting parts at the connection. As the corrosion deepens, it will not only weaken the mechanical properties of the steel pipe, but also cause the connection between the steel pipe and the bolt ball to loosen. In severe cases, it may even cause safety hazards such as deformation and collapse of the space frame structure, which will significantly affect the service life and operational safety of the dry coal shed. Utility Model Content

[0004] Therefore, it is necessary to provide a space frame and dry coal shed to address the problem of poor sealing at the connection between the bolt ball and the steel pipe, which is prone to corrosion due to rainwater erosion and other reasons.

[0005] A space frame, the space frame comprising:

[0006] The frame includes multiple support rods and multiple connectors. Each connector has several connecting slots. At least some of the support rods are connected to the connecting slots. The multiple support rods and the multiple connectors are connected to each other to form the frame.

[0007] The first rust-proof structure includes an airbag, a first connecting pipe, and a first piston. The airbag is arranged in a ring on the inner wall of the connecting groove. The first piston is located at one end of the support rod connected to the connecting groove. The first end of the first connecting pipe is connected to the airbag, and the second end of the first connecting pipe is connected to the connecting groove. When the support rod enters the connecting groove, the first piston can push the gas in the connecting groove into the airbag along the first connecting pipe. The airbag expands to seal the circumferential gap between the support rod and the connecting groove.

[0008] In one embodiment, the space frame further includes a second rust-proof structure, the second rust-proof structure comprising:

[0009] A water-absorbing element is disposed between the support rod and the circumferential gap of the connecting groove, and the water-absorbing element is capable of absorbing liquid.

[0010] In one embodiment, the portion of the support rod located within the connecting groove is a connecting section, and the outer wall of the connecting section has a receiving groove, in which the water-absorbing element is received.

[0011] In one embodiment, the connector further comprises a cavity and a groove, the two ends of the groove communicating with the cavity and the connecting groove respectively, and the second rust-proof structure further comprises:

[0012] A connecting rod assembly is slidably disposed in the slide groove. The first end of the connecting rod assembly is located in the cavity, and the second end of the connecting rod assembly is located in the receiving groove. Along the extending direction of the slide groove, the second end of the connecting rod assembly is directly opposite the water-absorbing element. The water-absorbing element is configured to expand after absorbing liquid to drive the connecting rod assembly to slide toward the cavity.

[0013] The second piston is disposed at the first end of the connecting rod assembly;

[0014] The second connecting pipe has a first end connected to the cavity and a second end connected to the connecting groove. The cavity contains oil. When the connecting rod assembly slides under the drive of the water-absorbing element, the second piston can push the oil along the second connecting pipe into the connecting groove.

[0015] In one embodiment, the diameter of the first piston gradually decreases along the direction away from the support rod to form a guide surface with a conical structure.

[0016] In one embodiment, the linkage assembly includes:

[0017] The connecting rod body is slidably disposed within the groove;

[0018] The first elastic element has one end connected to or abutting against one end of the slide groove, and the other end of the first elastic element is connected to or abutting against the connecting rod body. The first elastic element is configured to drive the connecting rod body to slide and reset towards the connecting groove.

[0019] In one embodiment, the second rust-proof structure further includes:

[0020] The third connecting pipe has its first end connected to the cavity and its second end connected to the outer surface of the connector.

[0021] In one embodiment, the second rust-proof structure further includes:

[0022] A sealing plug is placed at the second end of the third connecting pipe.

[0023] A dry coal shed includes a base, a vibration damping structure, and a grid frame as described above, wherein both ends of the grid frame are respectively connected to the two bases via the vibration damping structure, and the vibration damping structure is configured to absorb the vibration of the grid frame.

[0024] In one embodiment, the vibration damping structure includes:

[0025] A pad is provided at one end of the space frame;

[0026] The base has a slot, the movable plate is slidably disposed in the slot, one end of the second elastic member is connected to the movable plate, and the other end of the second elastic member is connected to the bottom of the slot.

[0027] A transmission rod is inserted through the base, with one end of the transmission rod connected to the pad and the other end connected to the movable plate.

[0028] The aforementioned space frame, by incorporating a first anti-rust structure, achieves immediate sealing upon installation as the support rods are installed to the connectors, thus improving construction efficiency. After expansion, the airbags completely seal the gaps at the joints, effectively preventing external rainwater, moisture, and other dampness from entering the connection area between the support rods and connectors. This prevents moisture erosion that could lead to rust on the support rods and connectors, ensuring the mechanical properties of the support rods and connectors, effectively reducing the risk of space frame deformation and collapse, and extending the service life of the space frame. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a dry coal shed provided in an embodiment of the present invention.

[0030] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0031] Figure 3 This is a partial structural diagram of a space frame provided in an embodiment of the present invention.

[0032] Figure 4 for Figure 3 A magnified view of a section at point B.

[0033] The above figures include the following reference numerals:

[0034] 1. Space frame;

[0035] 11. Support rod; 111. Connecting section; 1111. Receiving groove;

[0036] 12. Connector; 121. Connecting groove; 122. Cavity; 123. Slide groove;

[0037] 13. First rust-proof structure; 131. Airbag; 132. First connecting pipe; 133. First piston; 1331. Guide surface;

[0038] 14. Second rust-proof structure; 141. Water-absorbing component; 142. Connecting rod assembly; 1421. Connecting rod body; 1422. First elastic component; 143. Second piston; 144. Second connecting pipe; 145. Third connecting pipe; 146. Sealing plug;

[0039] 2. Base;

[0040] 3. Vibration damping structure; 31. Pad plate; 32. Movable plate; 33. Second elastic element; 34. Transmission rod. Detailed Implementation

[0041] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0042] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0044] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0046] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0047] like Figure 1 , Figure 3 As shown, one embodiment of this utility model provides a space frame 1, which includes a frame body and a first anti-rust structure 13. The frame body includes multiple support rods 11 and multiple connectors 12. The connectors 12 have connecting grooves 121, and at least some of the support rods 11 are connected to the connecting grooves 121. The multiple support rods 11 are correspondingly connected to the connectors 12 to form the frame body. The first anti-rust structure 13 includes an airbag 131, a first connecting pipe 132, and a first piston 133. The airbag 131 is arranged in a ring shape. On the inner wall of the connecting groove 121, a first piston 133 is disposed at one end of the support rod 11 connected to the connecting groove 121. The first end of the first connecting pipe 132 is connected to the airbag 131, and the second end of the first connecting pipe 132 is connected to the connecting groove 121. When the support rod 11 enters the connecting groove 121, the first piston 133 can push the gas in the connecting groove 121 into the airbag 131 along the first connecting pipe 132. The airbag 131 expands to seal the circumferential gap between the support rod 11 and the connecting groove 121.

[0048] This space frame 1 is composed of multiple support rods 11 connected one-to-one with multiple connectors 12. Specifically, at least some of the support rods 11 are inserted into the connecting grooves 121 of the connectors 12, and the entire space frame 1 is formed through the node-type connection of multiple support rods 11 and multiple connectors 12. This type of space frame 1, which uses connectors 12 as nodes to connect the support rods 11, can realize a large-span column-free space, meeting the needs of dry coal sheds for enclosed storage space; connecting at least some of the support rods 11 into the connecting grooves 121 of the connectors 12 facilitates rapid on-site installation and shortens the construction period.

[0049] Specifically, the support rod 11 is a steel pipe, which is connected in a reasonable layout with the connector 12 to form the space frame 1, taking into account both its light weight and strong load-bearing capacity.

[0050] In an optional embodiment, the connecting groove 121 has an internal thread, and at least a portion of the support rod 11 has an external thread on its outer periphery, with at least a portion of the support rod 11 threadedly connected to the connecting groove 121 of the connector 12. The threaded connection has stable mechanical properties, which can meet the high strength requirements of the support rod 11 and the connector 12, and reduce the risk of loosening at the connection between the support rod 11 and the connector 12.

[0051] In other embodiments, at least a portion of the support rod 11 is interference-fitted with the connecting groove 121.

[0052] It should be noted that TEKLA-STRUCTURES software was used for 3D parametric modeling and collision detection, combined with 3D3S and Midas software for segmented stress verification and buckling analysis to ensure the stability of space frame 1 during the design phase. 3D3S software was used to verify the internal forces of space frame 1 segmentally, combined with Midas / SAP2000 for buckling analysis and half-span live load verification. Steel usage was optimized and reduced by 30%. During construction, space frame 1 was divided into three independent areas. The central section used a steel truss lifting method as the starting frame, while the remaining sections were constructed using... The structure is assembled in small, modular units at high altitudes and equipped with a four-level prestressed steel wire rope cable system with a tension of 30KN-200KN to counteract horizontal thrust. All connectors 12 are connected with high-precision bolt ball joints with a deviation of ≤1mm. During construction and installation, the stability is further improved by real-time positioning and correction using a total station. The roof is constructed with closely spaced purlins and overlapping sealed aluminum-magnesium-manganese panels to form a continuous wind-resistant surface layer, ultimately ensuring the structure remains stable under wind loads of 29.4m / s and peak ground acceleration of 0.33g, maximizing the stability of the space frame 1.

[0053] During assembly of this space frame 1, the support rod 11 is gradually inserted into the connecting groove 121. Simultaneously, the first piston 133, located at one end of the support rod 11 connected to the connecting groove 121, is gradually inserted into the connecting groove 121. As the first piston 133 moves toward the bottom of the connecting groove 121, it compresses the gas in the connecting groove 121, forcing the gas to enter the annular airbag 131 through the first connecting pipe 132. After the gas enters the airbag 131, the airbag 131 expands due to the increased internal pressure, tightly filling the circumferential gap between the support rod 11 and the connecting groove 121, forming a physical barrier. The expansion of the airbag 131 is automatically driven when the support rod 11 is inserted, requiring no additional operation or external energy. The airbag 131 gradually expands as the support rod 11 is inserted, achieving a seal upon installation and improving construction efficiency. After expansion, the airbag 131 completely seals the gap at the connection, effectively preventing external rainwater, moisture, and other water from entering the connection area between the support rod 11 and the connector 12. This prevents water erosion that could cause corrosion of the support rod 11 and the connector 12, ensuring the mechanical properties of the support rod 11 and the connector 12, effectively reducing the risk of deformation and collapse of the space frame 1, and extending the service life of the space frame 1.

[0054] In an optional embodiment, the inner wall of the connecting groove 121 is provided with an annular receiving groove, and the airbag 131 is housed in the annular receiving groove. The annular receiving groove can define the installation position of the airbag 131. When installing the airbag 131, it can be embedded into the annular receiving groove without the need for a complex fixing device, thus reducing the assembly difficulty.

[0055] In one specific implementation, the connector 12 can be divided into two sub-connectors. Each sub-connector has a sub-connecting groove, a sub-annular receiving groove, and a first sub-groove. One end of the first sub-groove communicates with the sub-connecting groove, and the other end communicates with the sub-annular receiving groove. When the two sub-connectors are fastened together, the two sub-connecting grooves join to form a connecting groove 121, the two first sub-grooves join to form a first groove, and the two sub-annular receiving grooves join to form an annular receiving groove. During assembly, the airbag 131 is placed in a sub-annular receiving groove, and the first connecting tube 132 is placed in a first sub-groove, with the first end of the first connecting tube 132 communicating with the opening of the airbag 131 and fixed by adhesive bonding. The other end of the first connecting tube 132 communicates with the sub-connecting groove and is also fixed by adhesive bonding. After assembly, the two sub-connectors are fastened together and welded together.

[0056] Optionally, the airbag 131 and the first connecting tube 132 are integrally formed. By forming the airbag 131 and the first connecting tube 132 in one piece, there is no need for subsequent assembly of the first connecting tube 132 and the airbag 131, avoiding the connection gaps that exist in traditional assembly methods, preventing gas leakage, ensuring that the airbag 131 can expand stably and easily seal the circumferential gap between the support rod 11 and the connecting groove 121.

[0057] Optionally, the space frame 1 further includes a second rust-proof structure 14, which includes a water-absorbing element 141. The water-absorbing element 141 is disposed between the support rod 11 and the connecting groove 121 in a circumferential gap, and can absorb liquid. When external moisture leaks through the first rust-proof structure 13 into the space between the support rod 11 and the connecting groove 121, the water-absorbing element 141 can absorb the liquid, preventing the liquid from accumulating between the support rod 11 and the connecting groove 121, thus preventing the support rod 11 and the connecting element 12 from rusting due to moisture accumulation, and further reducing the risk of corrosion of the support rod 11 and the connecting element 12.

[0058] Optionally, the portion of the support rod 11 located within the connecting groove 121 is a connecting section 111. The outer wall of the connecting section 111 is recessed to form a receiving groove 1111, or the inner wall of the connecting groove 121 is recessed to form a receiving groove 1111, or both the outer wall of the connecting section 111 and the inner wall of the connecting groove 121 are recessed to form a receiving groove 1111. The water-absorbing component 141 is housed within the receiving groove 1111. The receiving groove 1111 provides a space for the water-absorbing component 141 without occupying additional space, and provides an installation reference for the water-absorbing component 141. During installation, it is simple and quick to place the water-absorbing component 141 into the receiving groove 1111.

[0059] In this embodiment, the inner wall of the connecting section 111 is recessed to form a receiving groove 1111. It should be noted that the specific arrangement of the receiving groove 1111 depends on the actual needs, and this embodiment does not limit it.

[0060] Specifically, the absorbent component 141 is made of modified rubber or polymer material.

[0061] Optionally, such as Figure 4 As shown, the connector 12 also has a cavity 122 and a slide groove 123. The two ends of the slide groove 123 are respectively connected to the cavity 122 and the connecting groove 121. The second anti-rust structure 14 also includes a connecting rod assembly 142, a second piston 143, and a second connecting pipe 144. The connecting rod assembly 142 is slidably disposed in the slide groove 123. The first end of the connecting rod assembly 142 is located in the cavity 122, and the second end of the connecting rod assembly 142 is located in the receiving groove 1111. Along the extending direction of the slide groove 123, the second end of the connecting rod assembly 142 is connected to the suction... The water-absorbing component 141 is positioned directly opposite the liquid absorber 141, which is configured to expand after absorbing liquid to drive the connecting rod assembly 142 to slide toward the cavity 122. The second piston 143 is located at the first end of the connecting rod assembly 142. The first end of the second connecting pipe 144 is connected to the cavity 122, and the second end of the second connecting pipe 144 is connected to the connecting groove 121. The cavity 122 contains oil. When the connecting rod assembly 142 slides under the drive of the water-absorbing component 141, the second piston 143 can push the oil along the second connecting pipe 144 into the connecting groove 121.

[0062] When external moisture seeps into the space between the support rod 11 and the connecting groove 121, the absorbent 141 in the receiving groove 11 absorbs the liquid and expands. After the absorbent 141 expands, its increased volume pushes the connecting rod assembly 142 to slide along the extension direction of the slide groove 123 toward the cavity 122, thereby causing the second piston 143 to slide. When the second piston 143 slides, it pushes the oil in the cavity 122, forcing the oil to enter the connecting groove 121 through the second connecting pipe 144. The oil flows in the connecting groove 121 and covers the contact surface between the support rod 11 and the connecting groove 121, forming an oil film. The oil film can isolate moisture and air, block electrochemical corrosion and oxidation reactions, and further delay the rusting process.

[0063] Specifically, the oil can be rust-preventive oil or lubricating oil.

[0064] In one specific implementation, the connector 12 can be divided into two sub-connectors. Each sub-connector has a sub-cavity, a sub-slide groove, and a second sub-groove machined on it. One end of the sub-slide groove communicates with the sub-cavity, and the other end communicates with the sub-connecting groove. One end of the second sub-groove communicates with the sub-cavity, and the other end of the first sub-groove communicates with the sub-connecting groove. When the two sub-connectors are engaged, the two sub-cavities join to form cavity 122, the two sub-slide grooves join to form slide groove 123, the two sub-connecting grooves join to form connecting groove 121, and the two second sub-grooves join to form a second groove. During assembly, the connecting rod assembly 142 is placed in a sub-slide groove, and the second connecting pipe 144 is placed in a second sub-groove, with the first end of the second connecting pipe 144 communicating with the sub-cavity and fixed by adhesive bonding. The other end of the second connecting pipe 144 communicates with the sub-connecting groove and is also fixed by adhesive bonding. After assembly, the two sub-connectors are engaged and welded together.

[0065] Optionally, such as Figure 3 , Figure 4 As shown, the diameter of the first piston 133 gradually decreases in the direction away from the support rod 11 to form a guide surface 1331 with a conical structure. When the support rod 11 is inserted into the connecting groove 121, the guide surface 1331 of the first piston 133 first contacts the second end of the connecting rod assembly 142. As the support rod 11 continues to penetrate deeper, the guide surface 1331 with a conical structure can gradually push the connecting rod assembly 142 to slide along the slide groove 123 towards the cavity 122, preventing the connecting rod assembly 142 from extending out of the connecting groove 121 and interfering with the outer wall of the support rod 11, which would cause the support rod 11 to be obstructed when inserted into the connecting groove 121. When the insertion depth of the connecting rod is such that the connecting rod assembly 142 is directly opposite the receiving groove 1111, the connection is complete.

[0066] Optionally, such as Figure 4As shown, the connecting rod assembly 142 includes a connecting rod body 1421 and a first elastic element 1422. The connecting rod body 1421 is slidably disposed within the slide groove 123. One end of the first elastic element 1422 is connected to or abuts against one end of the slide groove 123, and the other end of the first elastic element 1422 is connected to or abuts against the connecting rod body 1421. The first elastic element 1422 is configured to drive the connecting rod body 1421 to slide and reset towards the connecting groove 121. When the support rod 11 is connected in place, the connecting rod body 1421 can move towards the connecting groove 121 under the drive of the first elastic element 1422 to reset to its initial position, ensuring that the water-absorbing element 141 can effectively push the connecting rod body 1421 to slide after expansion, thus ensuring the normal operation of the second rust-proof mechanism.

[0067] In an alternative embodiment, such as Figure 4 As shown, the first elastic element 1422 is sleeved on the outer periphery of the connecting rod body 1421. A limiting part is protruding on the outer periphery of the connecting rod body 1421. One end of the elastic element is connected to or abuts against the end of the slide groove 123 near the cavity 122, and the other end of the elastic element is connected to or abuts against the limiting part.

[0068] In one alternative embodiment, such as Figure 4 As shown, the second rust-proof structure 14 also includes a third connecting pipe 145. The first end of the third connecting pipe 145 is connected to the cavity 122, and the second end of the third connecting pipe 145 is connected to the outer surface of the connector 12. When the oil level is insufficient, oil can be directly added to the cavity 122 through the third connecting pipe 145, which is simple and quick. In addition, when oil is placed in the cavity 122 in advance, when the support rod 11 is inserted into the connecting groove 121, the first piston 133 will push the connecting rod assembly 142 toward the cavity 122, causing oil to flow into the connecting groove 121 at this time, resulting in oil waste. It is possible to choose not to place oil in the cavity 122 in advance, and to inject oil into the cavity 122 through the third connecting pipe 145 after the support rod 11 is connected to the connecting groove 121.

[0069] Furthermore, such as Figure 3 As shown, the second rust-preventing structure 14 also includes a sealing plug 146, which seals the second end of the third connecting pipe 145. On the one hand, the sealing plug 146, through physical sealing, can isolate external contaminants and prevent them from entering the cavity 122 through the opening of the third connecting pipe 145 and contaminating the oil. On the other hand, by tightly sealing the third connecting pipe 145, the sealing plug 146 can prevent the oil from flowing out of the third connecting pipe 145 when the second piston 143 pushes the oil, thus ensuring the stability of the function of the second rust-preventing structure 14.

[0070] like Figure 1As shown, another embodiment of this utility model provides a dry coal shed, which includes a base 2, a vibration damping structure 3, and the aforementioned space frame 1. The two ends of the space frame 1 are respectively connected to the two bases 2 via the vibration damping structure 3, which is configured to absorb the vibration of the space frame 1. When the environment in which the space frame 1 is located is subject to continuous dynamic loads, such as vibrations generated by machinery during coal loading and unloading in the dry coal shed, such as the reciprocating motion of loaders and conveyor belts, or periodic vibrations caused by equipment operation in large industrial plants, such as fans and crushers, these loads will cause the space frame 1 to vibrate. Long-term effects can easily lead to fatigue damage to the space frame 1. The vibration damping structure 3 absorbs vibration energy, reduces the dynamic stress of the space frame 1, avoids fatigue failure, improves structural safety, and ensures the stability of the dry coal shed under dynamic loads.

[0071] Optionally, such as Figure 2 As shown, the vibration damping structure 3 includes a pad 31, a movable plate 32, several second elastic elements 33, and a transmission rod 34. The pad 31 is located at one end of the space frame 1. The base 2 has a slot, and the movable plate 32 is slidably disposed within the slot. One end of each second elastic element 33 is connected to the movable plate 32, and the other end is connected to the bottom of the slot. The transmission rod 34 passes through the base 2, with one end connected to the pad 31 and the other end connected to the movable plate 32. The vibration of the space frame 1 first acts on the pad 31 at the end. The pad 31 transmits the vibration force to the movable plate 32 within the slot of the base 2 via the transmission rod 34. When the movable plate 32 slides within the slot, it compresses or stretches the second elastic elements 33 connected to it. The deformation of the second elastic elements 33 stores vibrational kinetic energy and dissipates the energy, thus suppressing excessive vibration of the space frame 1.

[0072] In this embodiment, the second elastic element 33 is a spring. It should be noted that the number of second elastic elements 33 depends on actual needs, and this embodiment does not limit this number.

[0073] In one specific embodiment, the base 2 includes a first part and a second part. The first part has a slot, and the second part has several through holes. When the second part is aligned with the top of the first part, the several through holes communicate with the slot. First, the movable plate 32 and the second elastic member 33 are connected by welding or adhesive bonding. Then, the other end of the guide rod 34 is connected to the movable plate 32 by welding or other existing fixing methods. Next, the second part is aligned with the top of the first part, and the several guide rods 34 are inserted into the corresponding several through holes. The first part and the second part are connected by welding. Finally, one end of the guide rod 34 is connected to the pad 31 by welding or other existing fixing methods.

[0074] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0075] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A space frame, characterized in that, The space frame (1) includes: The frame includes multiple support rods (11) and multiple connectors (12). Each connector (12) has a plurality of connecting slots (121). At least a portion of the support rods (11) are connected to the connecting slots (121). The multiple support rods (11) are correspondingly connected to the multiple connectors (12) to form the frame. The first rust-proof structure (13) includes an airbag (131), a first connecting pipe (132), and a first piston (133). The airbag (131) is arranged in a ring on the inner wall of the connecting groove (121). The first piston (133) is arranged on one end of the support rod (11) connected to the connecting groove (121). The first end of the first connecting pipe (132) is connected to the airbag (131), and the second end of the first connecting pipe (132) is connected to the connecting groove (121). When the support rod (11) enters the connecting groove (121), the first piston (133) can push the gas in the connecting groove (121) into the airbag (131) along the first connecting pipe (132). The airbag (131) expands to seal the circumferential gap between the support rod (11) and the connecting groove (121).

2. The space frame according to claim 1, characterized in that, The space frame (1) further includes a second rust-proof structure (14), which includes: A water-absorbing element (141) is disposed between the support rod (11) and the connecting groove (121) in a circumferential gap, and the water-absorbing element (141) is capable of absorbing liquid.

3. The space frame according to claim 2, characterized in that, The portion of the support rod (11) located within the connecting groove (121) is a connecting section (111). The outer wall of the connecting section (111) is recessed to form a receiving groove (1111), or the inner wall of the connecting groove (121) is recessed to form the receiving groove (1111), or both the outer wall of the connecting section (111) and the inner wall of the connecting groove (121) are recessed to form the receiving groove (1111). The water-absorbing element (141) is housed within the receiving groove (1111).

4. The space frame according to claim 3, characterized in that, The connector (12) is further provided with a cavity (122) and a groove (123), the two ends of the groove (123) being connected to the cavity (122) and the connecting groove (121) respectively, and the second rust-proof structure (14) further includes: A connecting rod assembly (142) is slidably disposed in the slide groove (123). The first end of the connecting rod assembly (142) is located in the cavity (122), and the second end of the connecting rod assembly (142) is located in the receiving groove (1111). Along the extending direction of the slide groove (123), the second end of the connecting rod assembly (142) is directly opposite the water-absorbing element (141). The water-absorbing element (141) is configured to expand after absorbing liquid to drive the connecting rod assembly (142) to slide toward the cavity (122). The second piston (143) is disposed at the first end of the connecting rod assembly (142); The second connecting pipe (144) has its first end connected to the cavity (122) and its second end connected to the connecting groove (121). The cavity (122) contains oil. When the connecting rod assembly (142) slides under the drive of the water-absorbing member (141), the second piston (143) can push the oil along the second connecting pipe (144) into the connecting groove (121).

5. The space frame according to claim 4, characterized in that, Along the direction away from the support rod (11), the diameter of the first piston (133) gradually decreases to form a guide surface (1331) with a conical structure.

6. The space frame according to claim 5, characterized in that, The link assembly (142) includes: The connecting rod body (1421) is slidably disposed within the groove (123); The first elastic element (1422) has one end connected to or abutting against one end of the slide groove (123), and the other end of the first elastic element (1422) is connected to or abutting against the connecting rod body (1421). The first elastic element (1422) is configured to drive the connecting rod body (1421) to slide and reset towards the connecting groove (121).

7. The space frame according to claim 4, characterized in that, The second rust-proof structure (14) also includes: The third connecting pipe (145) has its first end connected to the cavity (122) and its second end connected to the outer surface of the connector (12).

8. The space frame (1) according to claim 7, characterized in that, The second rust-proof structure (14) also includes: A sealing plug (146) is used to seal the second end of the third connecting pipe (145).

9. A dry coal shed, characterized in that, The device includes a base (2), a vibration damping structure (3), and a space frame (1) as described in any one of claims 1-8, wherein the two ends of the space frame (1) are respectively connected to the two bases (2) through the vibration damping structure (3), and the vibration damping structure (3) is configured to absorb the vibration of the space frame (1).

10. The dry coal shed according to claim 9, characterized in that, The vibration damping structure (3) includes: Pad (31), one end of the space frame (1) is provided with the pad (31); The base (2) has a slot, the movable plate (32) is slidably disposed in the slot, one end of the second elastic member (33) is connected to the movable plate (32), and the other end of the second elastic member (33) is connected to the bottom of the slot. A transmission rod (34) is inserted through the base (2). One end of the transmission rod (34) is connected to the pad (31), and the other end of the transmission rod (34) is connected to the movable plate (32).

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