Cable dome stay bar lower node structure and cable dome structure

Abstract

The utility model provides a stay bar lower node structure for a cable dome and a cable dome structure, and relates to the field of stay bar lower nodes, and the stay bar lower node structure for the cable dome comprises a node plate provided with a first circular opening; the connecting assembly is arranged at the first circular opening and fixedly connected with the gusset plate, the supporting rod and the gusset plate are hinged through the connecting assembly, and then the supporting rod and the gusset plate can be movably connected through the connecting assembly, so that on the premise that the node rigidity is guaranteed, the supporting rod lower node has the radial rotation capacity, and the flexibility of the supporting rod lower node is improved; the stability of the supporting rod lower joint is enhanced, the working range is enlarged, and the flexibility and adaptability of the supporting rod lower joint are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bracing bar lower node, specifically, relate to a kind of for cable dome bracing bar lower node structure and cable dome structure. BACKGROUND

[0002] At present, in prior art, the bracing bar lower node of cable dome structure is connected with ring cable, diagonal cable and bracing bar, and the node form directly affects the design and construction forming technology of structure, under the requirement of meeting node stiffness, the connecting mode of existing node cannot effectively adjust directional rotation, which has difficulty in adapting to different building shapes and meeting deformation coordination requirements, and cannot achieve ideal hinged requirements. SUMMARY

[0003] The utility model is at least to solve one of the technical problems existing in prior art or related art.

[0004] Therefore, the first aspect of the utility model provides a kind of for cable dome bracing bar lower node structure.

[0005] The second aspect of the utility model provides a kind of cable dome structure.

[0006] Therefore, the first aspect of the utility model provides a kind of for cable dome bracing bar lower node structure.

[0007] The utility model provides a kind of for cable dome bracing bar lower node structure, for cable dome bracing bar lower node structure includes node plate and connecting component, wherein node plate is equipped with first circular opening, first circular opening is the connecting place of bracing bar and connecting plate, first circular opening is equipped with connecting component, node plate is fixedly connected with connecting component, so that bracing bar and node plate can be movably connected by connecting component, under the premise of guaranteeing node stiffness, make bracing bar lower node have radial rotation ability while being able to ring micro-motion, improve the flexibility of bracing bar lower node, strengthen the stability of bracing bar lower node, expand working range, greatly improve its flexibility and adaptability.

[0008] In addition, the above technical solution for cable dome bracing bar lower node structure provided by the utility model can also have the following additional technical features:

[0009] In some technical solutions of the utility model, optionally, further comprising: node bottom plate, node bottom plate is fixedly connected with node plate, the lower side of node bottom plate is equipped with cover plate groove;Cover plate, cover plate is connected with cover plate groove;Ring cable groove, ring cable groove is arranged between node bottom plate and cover plate, and ring cable is arranged in ring cable groove.

[0010] In the technical scheme, the lower node structure of the cable dome support rod further comprises a node bottom plate and a cover plate, the node bottom plate is fixedly connected with the node plate, the lower side of the node bottom plate is provided with a cover plate groove, and the cover plate is connected with the cover plate groove, so that the structural strength of the lower node of the support rod is enhanced, the bearing capacity and stability of the lower node of the support rod are improved, and when the node bottom plate and the cover plate bear force, damage caused by local stress concentration can be prevented through the connection of the node bottom plate and the cover plate. Furthermore, the ring cable groove is arranged between the node bottom plate and the cover plate, so that the ring cable can be connected with the ring cable groove, the fixation and guidance of the ring cable are realized, the stress performance of the ring cable is optimized, and installation and maintenance are facilitated, so that the stability and reliability of the structure are ensured. In some technical schemes of the utility model, optionally, the connecting assembly comprises: a first bearing; a sealing ring, the outer side of the sealing ring is fixedly connected with the node plate, the sealing ring is wrapped on the inner wall of the first circular opening of the node plate, and the sealing ring is connected with the first bearing. In the technical scheme, the connecting assembly comprises the first bearing and the sealing ring, the sealing ring is sleeved on the first bearing, the outer side of the sealing ring is fixedly connected with the node plate, the sealing ring is wrapped on the inner wall of the first circular opening of the node plate, the sealing ring is connected with the first bearing, the sealing property is enhanced, the stability of the first bearing is ensured, the working environment of the first bearing is optimized, and the reliability of the lower node of the support rod is significantly improved.

[0011] In some technical schemes of the utility model, optionally, the connecting assembly further comprises: a first pin shaft, the outer ring of the first pin shaft is tightly combined with the inner ring of the first bearing; the support rod is provided with a first lug plate, the first lug plate is provided with two, and the two first lug plates are arranged on the two sides of the first circular opening of the node plate; wherein the two ends of the first pin shaft are connected with the first lug plate respectively.

[0012] In the technical scheme, the connecting assembly further comprises the first pin shaft, the first bearing is sleeved on the first pin shaft, the outer ring of the first pin shaft is tightly combined with the inner ring of the first bearing, the support rod is provided with a first lug plate, the first lug plate is provided with two, the two first lug plates are arranged on the two sides of the first circular opening of the node plate, and the two ends of the first pin shaft are connected with the first lug plate respectively, so that the stability of the connection between the node plate and the support rod is enhanced, the transmission efficiency of the first bearing is optimized, the overall performance of the equipment is improved, and flexible rotation of the lower node of the support rod is realized.

[0013] In some technical schemes of the utility model, optionally, the connecting assembly further comprises: a positioning sleeve, the positioning sleeve is sleeved on the first pin shaft and located between the first lug plate and the first bearing.

[0014] In the technical scheme, the connecting assembly further comprises the positioning sleeve, the positioning sleeve is sleeved on the first pin shaft and located between the first lug plate and the first bearing, the positioning accuracy is improved, the connection between the first lug plate and the first bearing is ensured, the problems of inaccurate assembly or abnormal work of components caused by positioning errors or deformation are avoided, and the stability and reliability of the lower node of the support rod are enhanced.

[0015] Optionally, the utility model discloses some technical schemes further include: plugboard, and the oblique cable is connected with plugboard through anchor device, and one end of plugboard is equipped with second lug plate, and the node board is equipped with second round opening, and both ends of second round opening are connected with second lug plate through second pin shaft respectively.

[0016] In the technical scheme, the lower node structure of the cable dome support rod further includes a plugboard, the oblique cable is connected with the plugboard through an anchor device, one end of the plugboard is provided with a second lug plate, the node board is provided with a second round opening, and both ends of the second round opening are connected with the second lug plate through a second pin shaft respectively, the precision of the connection between the plugboard and the plug slot is improved, the installation of the plugboard and the plug slot is facilitated, the connection strength is improved, the oblique cable can stably transmit force to the support rod, and therefore the stability and safety of the whole structure are maintained.

[0017] In some technical schemes of the utility model, optionally, further include: first reinforcing rib, one end of first reinforcing rib is welded to node board, the other end of first reinforcing rib is welded to node bottom plate, wherein the number of first reinforcing rib is multiple.

[0018] In the technical scheme, the lower node structure of the cable dome support rod further includes a first reinforcing rib, one end of the first reinforcing rib is welded to the node board, and the other end of the first reinforcing rib is welded to the node bottom plate, the strength and rigidity of the connection are enhanced, and the carrying capacity and stability are improved. Wherein the number of the first reinforcing rib is multiple, which further improves the reliability of the lower node of the support rod.

[0019] In some technical schemes of the utility model, optionally, further include: second reinforcing rib, one end of second reinforcing rib is welded to support rod, the other end of second reinforcing rib is welded to first lug plate, wherein the number of second reinforcing rib is multiple.

[0020] In the technical scheme, the lower node structure of the cable dome support rod further includes a second reinforcing rib, one end of the second reinforcing rib is welded to the support rod, and the other end of the second reinforcing rib is welded to the first lug plate, the strength and rigidity of the connection are enhanced, and the carrying capacity and stability are improved. Wherein the number of the second reinforcing rib is multiple, which further improves the reliability of the lower node of the support rod.

[0021] In some technical schemes of the utility model, optionally, the cover plate and the cover plate groove are connected through a plurality of bolts.

[0022] In the technical scheme, the cover plate and the cover plate groove are connected through a plurality of bolts, the firmness of the connection is improved, subsequent disassembly is facilitated, and the flexibility between the cover plate and the cover plate groove is improved.

[0023] The second aspect of the utility model provides a cable dome structure, comprising: a plurality of the lower node structure for cable dome strut in any prior art. Therefore, the cable dome structure has all the beneficial effects of the strut lower node, and the same will not be repeated here. The additional aspects and advantages of the utility model will be partially given in the following description, some will become apparent from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the following drawings of which:

[0025] Figure 1 A front view according to one embodiment of the utility model is shown.

[0026] Figure 2 A top view according to one embodiment of the utility model is shown.

[0027] Wherein, Figure 1 With Figure 2 The correspondence between the reference signs and the component names in the drawings is as follows:

[0028] 102 node plate, 106 node bottom plate, 108 cover plate, 110 ring cable groove, 112 plugboard, 114 second pin shaft, 116 first reinforcing rib, 118 second reinforcing rib, 120 diagonal cable, 1022 insertion slot, 1042 first bearing, 1044 sealing ring, 1046 first pin shaft, 1048 positioning sleeve, 1050 first ear plate, 1122 second ear plate. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described in detail below in conjunction with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0030] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0031] The following refers to Figures 1 to 2 Describes the lower node structure for cable dome strut and cable dome structure according to some embodiments of the utility model.

[0032] In view of the above, the first aspect of the utility model provides a kind of for cable dome strut lower node structure, comprising: node plate 102, node plate 102 is equipped with first circular opening;Connecting assembly, connecting assembly is equipped at first circular opening, with node plate 102 fixed connection, strut and node plate 102 are hinged by connecting assembly.

[0033] The utility model provides a kind of for cable dome strut lower node structure, for cable dome strut lower node structure includes node plate 102 and connecting assembly, wherein node plate 102 is equipped with first circular opening, first circular opening is the connecting place of strut and connecting plate, first circular opening is equipped with connecting assembly, node plate 102 is fixedly connected with connecting assembly, to let strut and node plate 102 can be movably connected by connecting assembly, under the premise of guaranteeing node rigidity, let strut lower node have the ability of radial rotation and the ability of annular micro-motion, improve the flexibility of strut lower node, strengthen the stability of strut lower node, expand the working range, greatly improve its flexibility and adaptability.

[0034] In addition, the utility model provides the above-mentioned embodiment for cable dome strut lower node structure can also have the following additional technical features:

[0035] In some embodiments of the utility model, further comprising: node bottom plate 106, node bottom plate 106 is fixedly connected with node plate 102, the lower side of node bottom plate 106 is equipped with cover plate groove;Cover plate 108, cover plate 108 is connected with cover plate groove;Ring cable groove 110, ring cable groove 110 is arranged between node bottom plate 106 and cover plate 108, and ring cable is arranged in ring cable groove 110.

[0036] In the embodiment, for cable dome strut lower node structure further includes node bottom plate 106 and cover plate 108, node bottom plate 106 is fixedly connected with node plate 102, and the lower side of node bottom plate 106 is equipped with cover plate groove, cover plate 108 is connected with cover plate groove, so it can enhance the structural strength of strut lower node, improve the carrying capacity and stability of strut lower node, and when node bottom plate 106 and cover plate 108 bear force, via the connection of node bottom plate 106 and cover plate 108, it can prevent the damage caused by local stress concentration.And, ring cable groove 110 is arranged between node bottom plate 106 and cover plate 108, to let ring cable can be connected with ring cable groove 110, realize the fixation and guidance of ring cable, optimize the stress performance of ring cable, and it is convenient to install and maintain, ensure the stability and reliability of structure. Preferably, ring cable groove 110 is arranged at the connecting place of node bottom plate 106 and cover plate 108.

[0037] In some embodiments of the utility model, connecting assembly includes: first bearing 1042, sealing ring 1044, the outside of sealing ring 1044 is fixedly connected with node plate 102, sealing ring 1044 is wrapped in the inner wall of the first circular opening of node plate 102, and sealing ring 1044 is connected with first bearing.

[0038] In this embodiment, connecting assembly includes first bearing 1042 and sealing ring 1044, sealing ring 1044 is sleeved on first bearing 1042, the outside of sealing ring 1044 is fixedly connected with node plate 102, sealing ring 1044 is wrapped in the inner wall of the first circular opening of node plate 102, and sealing ring 1044 is connected with first bearing 1042, wherein first bearing 1042 is coaxial with sealing ring 1044, the sealing property is enhanced, the stability of first bearing 1042 is guaranteed, the working environment of first bearing 1042 is optimized, and the reliability of the node under the strut is significantly improved.

[0039] Specifically, the outer ring of first bearing 1042 is fixed relative to sealing ring 1044, and the two are welded, abutted or interference-fitted Preferably, first bearing 1042 is a radial spherical bearing.

[0040] Optionally, sealing ring 1044 is of metal material, and sealing ring 1044 is connected with first bearing 1042 by welding.

[0041] Optionally, sealing ring 1044 is of rubber material, sealing ring 1044 is abutted with first bearing 1042, sealing ring 1044 and node plate 102 are fixed by the radial pressure of first bearing, that is, sealing ring 1044 and first bearing 1042 are interference-fitted, and then fixed. In some embodiments of the utility model, connecting assembly further includes: first pin shaft 1046, the outer ring of first pin shaft 1046 is tightly fitted with the inner ring of first bearing 1042; the strut is provided with first ear plate 1050, the first ear plate 1050 is provided with two, and the two first ear plates 1050 are arranged on the two sides of the first circular opening of node plate 102; wherein the two ends of first pin shaft 1046 are connected with first ear plate 1050 respectively.

[0042] In this embodiment, connecting assembly further includes first pin shaft 1046, first bearing 1042 is sleeved on first pin shaft 1046, the outer ring of first pin shaft 1046 is tightly fitted with the inner ring of first bearing 1042, the strut is provided with first ear plate 1050, the first ear plate 1050 is provided with two, and the two first ear plates 1050 are arranged on the two sides of the first circular opening of node plate 102; wherein the two ends of first pin shaft 1046 are connected with first ear plate 1050 respectively, first pin shaft is coaxial with first bearing, the stability of the connection between node plate 102 and the strut is enhanced, the transmission efficiency of first bearing 1042 is optimized, the overall performance of the equipment is improved, and flexible rotation of the node under the strut is realized.

[0043] It can be understood that the first pin shaft 1046 itself has a certain radial rotation capability, however, the strut cannot be moved in the ring direction by only the first pin shaft 1046, and through the radial spherical plain bearing, the first pin shaft 1046 sleeved on the radial spherical plain bearing can be moved in the ring direction. The principle is similar to a seesaw, the gravity of the strut acts on the first pin shaft 1046, and the first pin shaft 1046 will tilt to the side with more force based on the force condition, and the radial spherical plain bearing can use its own characteristics to drive the first pin shaft 1046 to move in the ring direction, and then find a better force point.

[0044] In other words, the first ear plate 1050 and the node plate 102 are connected only through the first pin shaft 1046 without the participation of the radial spherical plain bearing, and the node as a whole can also have a certain radial rotation capability at the connection, which is the physical characteristic of the pin shaft connection. In this place, by arranging the radial spherical plain bearing, the node as a whole can not only rotate radially at the connection, but also has the capability of moving in the ring direction due to the physical characteristic of the inner ring of the radial spherical plain bearing, so that the node can better simulate the hinged requirements at the node under stress, adjust the stress balance state of the node, and then adjust and optimize the internal force distribution state of the cable dome.

[0045] Preferably, the two ends of the first pin shaft 1046 are fixedly connected with the first ear plate 1050 respectively. Specifically, the two ends of the first pin shaft 1046 are fixedly connected with the first ear plate 1050 respectively by welding.

[0046] Preferably, the first pin shaft 1046 passes through the first bearing 1042, and the first bearing 1042 is located at the midpoint of the length of the first pin shaft 1046. Specifically, the first pin shaft 1046 is fixedly connected with the inner ring of the first bearing 1042.

[0047] In some embodiments of the utility model, the connecting assembly further comprises: a positioning sleeve 1048, the positioning sleeve 1048 is sleeved on the first pin shaft 1046 and located between the first ear plate 1050 and the first bearing 1042.

[0048] In this embodiment, the connecting assembly further comprises a positioning sleeve 1048, the positioning sleeve 1048 is sleeved on the first pin shaft 1046, and the positioning sleeve 1048 is located between the first ear plate 1050 and the first bearing 1042, wherein the positioning sleeve is coaxial with the first bearing, the positioning accuracy is improved, the connection between the first ear plate and the first bearing 1042 is ensured, the problems of inaccurate assembly or abnormal work of components caused by positioning errors or deformation are avoided, and the stability and reliability of the lower node of the strut are enhanced.

[0049] In some embodiments of the utility model, still include: plugboard 112, oblique cable 120 is connected with plugboard 112 through anchor, one end of plugboard is equipped with second lug plate 1122, node board is equipped with second round opening, both ends of second round opening are connected with second lug plate 1122 through second pin shaft 114 respectively.

[0050] In this embodiment, the lower node structure for cable dome support rod further includes plugboard 112, one end of plugboard 112 is equipped with second lug plate 1122, oblique cable 120 is connected with plugboard through anchor, node board is equipped with second round opening, both ends of second round opening are connected with second lug plate 1122 through second pin shaft 114 respectively, improve the precision of plugboard 112 and the connection of insertion slot 1022, the installation of plugboard 112 and insertion slot 1022 is convenient, improve the connection strength, ensure that oblique cable 120 can stably transmit force to support rod, thereby keeping the stability and safety of the whole structure.

[0051] Optionally, both ends of the second round opening can be hinged to the second lug plate 1122 through the second pin shaft 114.

[0052] In some embodiments of the utility model, still include: first reinforcing rib 116, one end of first reinforcing rib 116 is welded in node board 102, the other end of first reinforcing rib 116 is welded in node bottom plate 106, wherein the number of first reinforcing rib 116 is multiple. In this embodiment, the lower node structure for cable dome support rod further includes first reinforcing rib 116, one end of first reinforcing rib 116 is welded in node board 102, the other end of first reinforcing rib 116 is welded in node bottom plate 106, the strength and rigidity of connection are enhanced, and the carrying capacity and stability are improved.

[0053] In some embodiments of the utility model, still include: second reinforcing rib 118, one end of second reinforcing rib 118 is welded in support rod, the other end of second reinforcing rib 118 is welded in first lug plate 1050, wherein the number of second reinforcing rib 118 is multiple.

[0054] In this embodiment, the lower node structure for cable dome support rod further includes second reinforcing rib 118, one end of second reinforcing rib 118 is welded in support rod, the other end of second reinforcing rib 118 is welded in first lug plate 1050, the strength and rigidity of connection are enhanced, and the carrying capacity and stability are improved.

[0055] In the embodiment, the cover plate 108 is connected with the cover plate groove through a plurality of bolts, which improves the connection firmness, facilitates subsequent disassembly, and improves the flexibility between the cover plate 108 and the cover plate groove.

[0056] The second aspect of the utility model provides a cable dome structure, comprising: a plurality of any one of the above embodiments for cable dome strut lower node structure.

[0057] In the claims, the specification, and the drawings of the utility model, the term "a plurality of" refers to two or more than two, unless there is an additional explicit limitation, the terms "upper", "lower" and the like indicate the orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for more convenient description of the utility model and make the description process more simple, and is not for indicating or implying that the device or element must have the described specific orientation, with a specific orientation structure and operation, therefore these descriptions cannot be understood as the limitation of the utility model; the terms "connection", "installation", "fixing" and the like should be understood in a broad sense, for example, "connection" can be the fixed connection between a plurality of objects, can also be the detachable connection between a plurality of objects, or integrally connected; it can be the direct connection between a plurality of objects, can also be the indirect connection between a plurality of objects through the intermediate medium.

[0058] In the claims, the specification, and the drawings of the utility model, the description of the terms "one embodiment", "some embodiments", "specific embodiments" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the claims, the specification, and the drawings of the utility model, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0059] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A node structure for a cable dome strut, characterized in that, include: Node plate (102), wherein the node plate (102) is provided with a first circular opening; A connecting component is provided at the first circular opening and connected to the node plate (102). The strut is hinged to the node plate (102) through the connecting component.

2. The sub-node structure for cable dome struts according to claim 1, characterized in that, Also includes: A node base plate (106) is fixedly connected to the node plate (102), and a cover plate groove is provided on the lower side of the node base plate (106). Cover plate (108), the cover plate (108) is connected to the cover plate groove; A ring cable groove (110) is provided between the node base plate (106) and the cover plate (108), and a ring cable is provided in the ring cable groove (110).

3. The sub-node structure for cable dome struts according to claim 2, characterized in that, The connection component includes: First bearing (1042); A sealing ring (1044) is fixedly connected to the node plate (102) on its outer side. The sealing ring (1044) wraps around the inner wall of the first circular opening of the node plate (102). The sealing ring (1044) is connected to the outer ring of the first bearing (1042).

4. The node structure for the lower node of a cable dome strut according to claim 3, characterized in that, The connection component also includes: The first pin (1046) has its outer ring tightly fitted with the inner ring of the first bearing (1042); The strut is provided with a first ear plate (1050), and there are two first ear plates (1050). The two first ear plates (1050) are arranged on both sides of the first circular opening of the node plate (102). The two ends of the first pin (1046) are respectively connected to the first ear plate (1050).

5. The sub-node structure for cable dome struts according to claim 4, characterized in that, The connection component also includes: A positioning sleeve (1048) is sleeved on the pin (1046) and located between the first ear plate (1050) and the first bearing (1042).

6. The sub-node structure for a cable dome strut according to claim 1, characterized in that, Also includes: The insert plate (112) and the inclined cable (120) are connected to the insert plate (112) by anchors, and one end of the insert plate is provided with a second ear plate (1122); The node plate is provided with a second circular opening, and the two ends of the second circular opening are respectively connected to the second ear plate (1122) by a second pin (114).

7. The sub-node structure for cable dome struts according to claim 2, characterized in that, Also includes: A first reinforcing rib (116) is provided, one end of which is welded to the node plate (102), and the other end of which is welded to the node base plate (106). The number of the first reinforcing ribs (116) is multiple.

8. The sub-node structure for cable dome struts according to claim 4, characterized in that, Also includes: The second reinforcing rib (118) is welded at one end to the support rod and at the other end to the first ear plate (1050). The number of the second reinforcing ribs (118) is multiple.

9. The sub-node structure for cable dome struts according to claim 2, characterized in that, The cover plate (108) and the groove of the cover plate (108) are connected by multiple bolts.

10. A cable dome structure, characterized in that, include: Multiple node structures for cable dome struts as described in any one of claims 1 to 9.

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