CN118029529A - Hollow multi-bolt ball grid connection node and installation method - Google Patents
Hollow multi-bolt ball grid connection node and installation method Download PDFInfo
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- CN118029529A CN118029529A CN202410241759.2A CN202410241759A CN118029529A CN 118029529 A CN118029529 A CN 118029529A CN 202410241759 A CN202410241759 A CN 202410241759A CN 118029529 A CN118029529 A CN 118029529A
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- 238000009434 installation Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 10
- 230000001427 coherent effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000006263 metalation reaction Methods 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
- E04B1/1906—Connecting nodes specially adapted therefor with central spherical, semispherical or polyhedral connecting element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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Abstract
本发明提出了一种焊接垫板空心多螺栓球网架连接节点及安装方法，在空心螺栓球与杆件连接位置设置有螺纹孔；所述的封板与杆件焊接在一起；所述高强螺栓从封板穿出，穿过套筒与空心螺栓球上的螺纹孔配合；所述的套筒与高强螺栓也螺纹配合，且在套筒上沿径向开设销钉孔，所述高强螺栓上沿轴向开设销钉槽，所述的销钉槽包括连续设置的第一销钉槽和第二销钉槽，第二销钉槽靠近螺栓头部，且第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；第二销钉槽的深度大于第一销钉槽；销钉穿过销钉孔与销钉槽滑动接触，当销钉滑动至第二销钉槽内时，空心螺栓球与杆件完成连接。
The present invention proposes a welding pad hollow multi-bolt ball grid connection node and installation method, wherein a threaded hole is arranged at the connection position between the hollow bolt ball and the rod member; the sealing plate and the rod member are welded together; the high-strength bolt passes through the sealing plate, passes through the sleeve and cooperates with the threaded hole on the hollow bolt ball; the sleeve and the high-strength bolt are also threadedly matched, and a pin hole is radially opened on the sleeve, and a pin groove is axially opened on the high-strength bolt, and the pin groove includes a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the bolt head, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt protrudes; the depth of the second pin groove is greater than the first pin groove; the pin passes through the pin hole and slides in contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball and the rod member are connected.
Description
技术领域Technical Field
本发明涉及螺栓球网架技术领域，具体涉及焊接垫块空心多螺栓球网架连接节点及应用方法。The invention relates to the technical field of bolt ball grids, and in particular to a welding pad hollow multi-bolt ball grid connection node and an application method.
背景技术Background technique
在空间网架结构中，有一些专利(例如CN92239014、CN202022453764.X、CN202022453758.4)中公开了一些采用螺栓连接空心螺栓球与杆件的节点结构，其螺栓的尾部需要采用螺母固定在空心螺栓球内，因此要求施工现场在球壳内部安装螺母，待螺栓紧固后封闭空心球壳，这样就要求在球壳表面留出一个盖板安装空间，以便用盖板连接两个半球壳或封闭球壳上的操作手口。但是连接盖板的存在限制了杆件安位置，且现场需用螺栓装和盖板将两个半球壳连接成整体，增大了施工难度。另外，以上节点均采用单个螺栓连接，其抗弯刚度、连接稳定性均有限，且当空心球壳较薄时，球壳受压易发生屈曲破坏。In the space grid structure, some patents (such as CN92239014, CN202022453764.X, CN202022453758.4) disclose some node structures that use bolts to connect hollow bolt balls and rods. The tail of the bolt needs to be fixed in the hollow bolt ball with a nut. Therefore, the construction site is required to install the nut inside the spherical shell, and the hollow spherical shell is closed after the bolts are tightened. This requires a cover plate installation space to be reserved on the surface of the spherical shell so that the cover plate can be used to connect the two hemispherical shells or close the operating hand opening on the spherical shell. However, the existence of the connecting cover plate limits the installation position of the rod, and the two hemispherical shells need to be connected into a whole with bolts and cover plates on site, which increases the difficulty of construction. In addition, the above nodes are all connected by a single bolt, and their bending stiffness and connection stability are limited. When the hollow spherical shell is thin, the spherical shell is prone to buckling failure under pressure.
发明内容Summary of the invention
针对背景技术部分存在的施工难度大、抗弯刚度、连接稳定性有限以及球壳受压易发生屈曲破坏等问题，本发明一种多个螺栓连接杆件的空心螺栓球节点形式，用于解决上述问题。In view of the problems existing in the background technology such as great construction difficulty, limited bending stiffness, connection stability and easy buckling failure of the spherical shell under pressure, the present invention provides a hollow bolt ball node form with multiple bolt-connected rods to solve the above problems.
本发明采用的技术方案如下：The technical solution adopted by the present invention is as follows:
第一方面，本发明提供了一种空心多螺栓球网架连接节点，包括空心螺栓球、套筒、销钉、高强螺栓以及封板，在空心螺栓球与杆件连接位置设置有螺纹孔；所述的封板与杆件焊接在一起；所述高强螺栓从封板穿出，穿过套筒与空心螺栓球上的螺纹孔配合；所述的套筒与高强螺栓也螺纹配合，且在套筒上沿径向开设销钉孔，所述高强螺栓上沿轴向开设销钉槽，所述的销钉槽包括连续设置的第一销钉槽和第二销钉槽，第二销钉槽靠近螺栓头部，且第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；第二销钉槽的深度大于第一销钉槽；销钉穿过销钉孔与销钉槽滑动接触，当销钉滑动至第二销钉槽内时，空心螺栓球与杆件完成连接。In the first aspect, the present invention provides a hollow multi-bolt ball grid connection node, including a hollow bolt ball, a sleeve, a pin, a high-strength bolt and a sealing plate, and a threaded hole is arranged at the connection position between the hollow bolt ball and the rod member; the sealing plate is welded to the rod member; the high-strength bolt passes through the sealing plate, passes through the sleeve and cooperates with the threaded hole on the hollow bolt ball; the sleeve and the high-strength bolt are also threadedly matched, and a pin hole is radially opened on the sleeve, and a pin groove is axially opened on the high-strength bolt, and the pin groove includes a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the bolt head, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the high-strength bolt extending out of the hollow bolt ball; the depth of the second pin groove is greater than the first pin groove; the pin passes through the pin hole and slides in contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball and the rod member are connected.
作为进一步的技术方案，在空心螺栓球外侧与杆件连接位置还焊接有垫板，同时在垫板上开设有供高强螺栓穿过的螺纹孔；在垫板外侧焊接加劲肋。As a further technical solution, a pad is welded on the outside of the hollow bolt ball at the connection position with the rod, and threaded holes for high-strength bolts to pass through are opened on the pad; and stiffening ribs are welded on the outside of the pad.
作为进一步的技术方案，当销钉落入第二销钉时，销钉与套筒外圈平齐。As a further technical solution, when the pin falls into the second pin, the pin is flush with the outer ring of the sleeve.
作为进一步的技术方案，所述垫板为圆形垫板，其一侧弧面、一侧平面，弧面的曲面半径与空心螺栓球的曲面半径一致，弧面紧贴空心螺栓球并与其采取坡口对接焊焊接在一起，平面与套筒紧贴。As a further technical solution, the pad is a circular pad with an arc surface on one side and a flat surface on the other side. The radius of the arc surface is consistent with the radius of the hollow bolt ball. The arc surface is tightly attached to the hollow bolt ball and is welded to it by groove butt welding. The flat surface is tightly attached to the sleeve.
作为进一步的技术方案，所述垫板直径与杆件直径一致，所述垫板厚度与空心螺栓球厚度之和最小处满足高强螺栓直径的1.1倍。As a further technical solution, the diameter of the pad is consistent with the diameter of the rod, and the minimum sum of the thickness of the pad and the thickness of the hollow bolt ball meets 1.1 times the diameter of the high-strength bolt.
作为进一步的技术方案，所述垫板与空心螺栓球开设的螺纹孔是与高强螺栓匹配并且连贯的，螺纹孔数量不限，以安装高强螺栓时互不影响为准。As a further technical solution, the threaded holes opened in the backing plate and the hollow bolt ball are matched with the high-strength bolts and are continuous. The number of threaded holes is not limited, provided that they do not affect each other when installing the high-strength bolts.
作为进一步的技术方案，所述封板上开设与垫板螺纹孔位置相同的通孔。As a further technical solution, a through hole is provided on the sealing plate at the same position as the threaded hole of the backing plate.
作为进一步的技术方案，所述空心螺栓球由两个空心半球坡口对接焊焊接组成。As a further technical solution, the hollow bolt ball is composed of two hollow hemispheres butt-welded with grooves.
第二方面，本发明还提供了一种空心多螺栓球网架连接节点的安装方法，包括以下步骤：In a second aspect, the present invention further provides a method for installing a hollow multi-bolt ball grid connection node, comprising the following steps:
S1、将两个空心半球坡口对接焊接在一起，形成空心螺栓球；S1. Butt-weld two hollow hemisphere grooves together to form a hollow bolt ball;
S2、在空心螺栓球上开设若干螺纹孔，数量及位置以安装高强螺栓时互不影响及满足规范要求为准；S2. Open several threaded holes on the hollow bolt ball. The number and position of the holes should be such that they do not affect each other when installing high-strength bolts and meet the requirements of the specification.
S3、在封板上开设通孔，位置与空心螺栓球上的螺纹孔位置相同，将高强螺栓从封板一侧穿出，用临时螺帽固定，将封板与杆件单面角焊焊接在一起；S3. Open a through hole on the sealing plate at the same position as the threaded hole on the hollow bolt ball, pass the high-strength bolt through one side of the sealing plate, fix it with a temporary nut, and weld the sealing plate and the rod together with a single-sided fillet weld;
S4、将空心螺栓球与杆件运输至施工现场，回收临时螺帽，利用辅助件将高强螺栓拧入空心螺栓球的螺纹孔中，直至销钉进入销钉槽的第二销钉槽，达到高强螺栓的锚固要求，实现高强螺栓与杆件的拧紧。S4. Transport the hollow bolt ball and the rod to the construction site, recover the temporary nut, and use auxiliary parts to screw the high-strength bolt into the threaded hole of the hollow bolt ball until the pin enters the second pin groove of the pin groove, thereby meeting the anchoring requirements of the high-strength bolt and realizing the tightening of the high-strength bolt and the rod.
作为进一步的技术方案，所述S4包括以下步骤：将套筒套至高强螺栓的螺杆上，旋转套筒至其上的销钉孔对准高强螺栓上的销钉槽，将销钉插入套筒的销钉孔上，使销钉与销钉槽接触，转动套筒，带动销钉与高强螺栓转动，当销钉与套筒平齐，达到高强螺栓的锚固要求，实现安装。As a further technical solution, S4 includes the following steps: putting a sleeve onto the screw rod of the high-strength bolt, rotating the sleeve until the pin hole on it is aligned with the pin groove on the high-strength bolt, inserting the pin into the pin hole of the sleeve so that the pin contacts the pin groove, rotating the sleeve to drive the pin and the high-strength bolt to rotate, and when the pin is flush with the sleeve, the anchoring requirements of the high-strength bolt are met and the installation is completed.
本发明相较传统螺栓球具有的有益效果为：Compared with the traditional bolt ball, the present invention has the following beneficial effects:
1.本发明通过设计高强螺栓、套筒的结构，各螺栓均采用单边螺栓，并采用套筒进行连接，只需转动套筒拧紧螺栓使杆件与螺栓球连接紧固，相较于采用普通螺栓的节点，方便现场施工；且可以使得空心螺栓球预先焊接成型，不需在球壁上预留大的安装孔洞，不需在球壳表面另外安装用于封闭球壳的盖板，不占用杆件的安装空间；同时，为了实现高强螺栓与套筒之间的位置锁紧与固定，在高强螺栓上沿轴向开设销钉槽，销钉槽设计成了连续设置的第一销钉槽和第二销钉槽，第二销钉槽的深度大于第一销钉槽；第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；销钉槽在高强螺栓伸出螺纹孔设定的深度时，深度突然加深，使销钉正好落入第二销钉槽内，实现高强螺栓与套筒的锁紧，同时还能确保高强螺栓在空心螺栓球内已经拧紧到位。1. The present invention designs the structure of high-strength bolts and sleeves, each bolt adopts a single-sided bolt, and is connected by a sleeve. It only needs to rotate the sleeve to tighten the bolt to connect and tighten the rod member and the bolt ball. Compared with the node using ordinary bolts, it is convenient for on-site construction; and the hollow bolt ball can be pre-welded and formed, and there is no need to reserve a large installation hole on the ball wall, and there is no need to install a cover plate for closing the ball shell on the surface of the ball shell, and the installation space of the rod member is not occupied; at the same time, in order to achieve the position locking and fixing between the high-strength bolt and the sleeve, a pin groove is axially opened on the high-strength bolt, and the pin groove is designed to be a first pin groove and a second pin groove that are continuously arranged, and the depth of the second pin groove is greater than the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; when the high-strength bolt extends out of the threaded hole to the set depth, the depth of the pin groove suddenly deepens, so that the pin just falls into the second pin groove, so that the high-strength bolt and the sleeve are locked, and at the same time, it can also ensure that the high-strength bolt has been tightened in place in the hollow bolt ball.
3.在垫板外侧焊接加劲肋，将应力分散到空心螺栓球表面，可改善空心螺栓球受力，提高空心螺栓球承载能力。3. Welding stiffening ribs on the outside of the pad can disperse the stress to the surface of the hollow bolt ball, which can improve the stress of the hollow bolt ball and increase the bearing capacity of the hollow bolt ball.
2.本发明的空心螺栓球与每个杆件之间采用多螺栓连接，使连接节点具有更好的抗弯刚度和稳定性。2. The hollow bolt ball of the present invention is connected to each rod member by multiple bolts, so that the connection node has better bending rigidity and stability.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明整体结构示意图；Fig. 1 is a schematic diagram of the overall structure of the present invention;
图2为本发明实施例各构件连接关系示意图；FIG2 is a schematic diagram of the connection relationship of various components in an embodiment of the present invention;
图3为本发明实施例结构爆炸图；FIG3 is an exploded view of the structure of an embodiment of the present invention;
图4为本发明实施例高强螺栓与套筒连接关系示意图；FIG4 is a schematic diagram of the connection relationship between a high-strength bolt and a sleeve according to an embodiment of the present invention;
图5为本发明实施例高强螺栓结构示意图；FIG5 is a schematic diagram of the structure of a high-strength bolt according to an embodiment of the present invention;
图6为本发明实施例空心螺栓球剖开后与杆件连接的结构示意图；FIG6 is a schematic structural diagram of a hollow bolt ball connected to a rod after being cut open according to an embodiment of the present invention;
图7为本发明实施例公开的结构爆炸图；FIG7 is an exploded view of the structure disclosed in an embodiment of the present invention;
图8为本发明实施例垫板的结构示意图；FIG8 is a schematic structural diagram of a pad according to an embodiment of the present invention;
图中标号：1、空心螺栓球；2、高强螺栓；3、套筒；4、销钉；5、销钉槽；6、销钉孔；7、垫板；8、封板；9、杆件；10、临时螺帽；11加劲肋。Numbers in the figure: 1. hollow bolt ball; 2. high-strength bolt; 3. sleeve; 4. pin; 5. pin groove; 6. pin hole; 7. gasket; 8. sealing plate; 9. rod; 10. temporary nut; 11. stiffening rib.
具体实施方式Detailed ways
为了能够更清楚的理解本发明，以下结合附图说明和实施例进行详细说明。需要注明的是，所给出的实施例仅为实现方式的一种，并不代表所有实施例，在不冲突的情况下，本申请的实施例及实施例中的特征可以互相组合。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的其他实施例，都属于本发明保护的范围。In order to understand the present invention more clearly, the following is a detailed description in conjunction with the accompanying drawings and embodiments. It should be noted that the given embodiment is only one implementation method and does not represent all embodiments. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the present invention.
需要说明，若本发明实施例中有涉及方向性指示(诸如上、下、左、右、前、后……)，则该方向性指示仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
在本发明中，除非另有明确的规定和限定，术语“连接”、“固定”等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
针对背景技术部分存在的施工难度大、抗弯刚度、连接稳定性有限以及球壳受压易发生屈曲破坏等问题，本实施例公开了一种多个螺栓连接杆件的空心螺栓球节点形式，包括空心螺栓球、套筒、销钉、高强螺栓以及封板，在空心螺栓球与杆件连接位置设置有螺纹孔；所述的封板与杆件焊接在一起；所述高强螺栓从封板穿出，穿过套筒与空心螺栓球上的螺纹孔配合；所述的套筒与高强螺栓也螺纹配合，且在套筒上沿径向开设销钉孔，所述高强螺栓上沿轴向开设销钉槽，所述的销钉槽包括连续设置的第一销钉槽和第二销钉槽，第二销钉槽靠近螺栓头部，且第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；第二销钉槽的深度大于第一销钉槽；销钉穿过销钉孔与销钉槽滑动接触，当销钉滑动至第二销钉槽内时，空心螺栓球与杆件完成连接。In view of the problems existing in the background technology, such as great construction difficulty, bending stiffness, limited connection stability, and easy buckling failure of the spherical shell under pressure, the present embodiment discloses a hollow bolt ball node form of multiple bolt-connected rods, including a hollow bolt ball, a sleeve, a pin, a high-strength bolt and a sealing plate, wherein a threaded hole is arranged at the connection position between the hollow bolt ball and the rod; the sealing plate is welded to the rod; the high-strength bolt passes through the sealing plate, passes through the sleeve and cooperates with the threaded hole on the hollow bolt ball; the sleeve and the high-strength bolt are also threadedly matched, and a pin hole is radially opened on the sleeve, and a pin groove is axially opened on the high-strength bolt, wherein the pin groove includes a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the bolt head, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the high-strength bolt extending out of the hollow bolt ball; the depth of the second pin groove is greater than the first pin groove; the pin passes through the pin hole and slides in contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball and the rod are connected.
本发明通过设计高强螺栓、套筒的结构，各螺栓均采用单边螺栓，并采用套筒进行连接，只需转动套筒拧紧螺栓使杆件与螺栓球连接紧固，相较于采用普通螺栓的节点，方便现场施工；且可以使得空心螺栓球预先焊接成型，不需在球壁上预留大的安装孔洞，不需在球壳表面另外安装用于封闭球壳的盖板，不占用杆件的安装空间；同时，为了实现高强螺栓与套筒之间的位置锁紧与固定，在高强螺栓上沿轴向开设销钉槽，销钉槽设计成了连续设置的第一销钉槽和第二销钉槽，第二销钉槽的深度大于第一销钉槽；第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；销钉槽在高强螺栓伸出螺纹孔设定的深度时，深度突然加深，使销钉正好落入第二销钉槽内，实现高强螺栓与套筒的锁紧，同时还能确保高强螺栓在空心螺栓球内已经拧紧到位。The present invention designs the structure of high-strength bolts and sleeves, each bolt adopts a single-sided bolt, and is connected by a sleeve. It only needs to rotate the sleeve to tighten the bolt to connect and tighten the rod member and the bolt ball. Compared with the node using ordinary bolts, it is convenient for on-site construction; and the hollow bolt ball can be pre-welded and formed, and there is no need to reserve a large installation hole on the ball wall, and there is no need to install a cover plate for closing the ball shell on the surface of the ball shell, and the installation space of the rod member is not occupied; at the same time, in order to achieve the position locking and fixing between the high-strength bolt and the sleeve, a pin groove is axially opened on the high-strength bolt, and the pin groove is designed to be a first pin groove and a second pin groove that are continuously arranged, and the depth of the second pin groove is greater than the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; when the high-strength bolt extends out of the threaded hole to a set depth, the depth of the pin groove suddenly deepens, so that the pin just falls into the second pin groove, so that the high-strength bolt and the sleeve are locked, and at the same time, it can also ensure that the high-strength bolt has been tightened in place in the hollow bolt ball.
实施例一：Embodiment 1:
本实施例针对空心螺栓球的球壳厚度较小的情况，采用在空心螺栓球外焊接垫板的方式，增加空心多螺栓球与杆件连接点的强度，具体的结合附图1-图4，本实施例公开的多个螺栓连接杆件的空心螺栓球节点，包括空心螺栓球1、高强螺栓2、垫板7以及封板8，所述空心螺栓球1与垫板7焊接在一起，垫板7为了增加空心螺栓球1与杆件9连接位置的强度；同时在空心螺栓球1与垫板7开设连续螺纹孔，封板8与杆件9焊接在一起，并在封板8开设与垫板7螺纹孔对应的通孔，所述高强螺栓2从封板8穿出，利用辅助件将高强螺栓2拧入垫板7和空心螺栓球1的螺纹孔，直至销钉4与套筒3平齐，达到高强螺栓2的锚固要求，以实现空心螺栓球1与杆件9的紧固连接。In view of the situation that the shell thickness of the hollow bolt ball is relatively small, this embodiment adopts the method of welding a gasket outside the hollow bolt ball to increase the strength of the connection point between the hollow multi-bolt ball and the rod member. Specifically, with reference to Figures 1 to 4, the hollow bolt ball node of multiple bolt-connected rod members disclosed in this embodiment includes a hollow bolt ball 1, a high-strength bolt 2, a gasket 7 and a sealing plate 8. The hollow bolt ball 1 is welded with the gasket 7. The gasket 7 is used to increase the strength of the connection position between the hollow bolt ball 1 and the rod member 9. At the same time, continuous threaded holes are opened in the hollow bolt ball 1 and the gasket 7, the sealing plate 8 is welded with the rod member 9, and a through hole corresponding to the threaded hole of the gasket 7 is opened in the sealing plate 8. The high-strength bolt 2 passes through the sealing plate 8, and the high-strength bolt 2 is screwed into the threaded holes of the gasket 7 and the hollow bolt ball 1 by using auxiliary parts until the pin 4 is flush with the sleeve 3, so as to meet the anchoring requirements of the high-strength bolt 2, so as to realize the fastening connection between the hollow bolt ball 1 and the rod member 9.
具体地，辅助件包含套筒3和销钉4，所述套筒3上沿径向开设销钉孔6，所述高强螺栓2上沿轴向开设销钉槽5，销钉槽5包括连续设置的第一销钉槽和第二销钉槽，第二销钉槽靠近高强螺栓2的头部，且第二销钉槽的深度大于第一销钉槽；第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；即销钉槽5在高强螺栓2伸出螺纹孔设定的深度时，深度突然加深，形成所述的第二销钉槽，然后使销钉4正好落入第二销钉槽内，实现高强螺栓2与套筒3的锁紧，此时销钉4的顶部正好与套筒3的外圈平齐；所述套筒3套在高强螺栓2上，销钉4穿过销钉孔6到达销钉槽5，且销钉4与销钉槽5滑动接触。Specifically, the auxiliary part includes a sleeve 3 and a pin 4, a pin hole 6 is radially opened on the sleeve 3, and a pin groove 5 is axially opened on the high-strength bolt 2, the pin groove 5 includes a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the high-strength bolt 2, and the depth of the second pin groove is greater than the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt extends; that is, when the high-strength bolt 2 extends to the set depth of the threaded hole, the depth of the pin groove 5 suddenly deepens to form the second pin groove, and then the pin 4 falls into the second pin groove to realize the locking of the high-strength bolt 2 and the sleeve 3, and at this time, the top of the pin 4 is flush with the outer ring of the sleeve 3; the sleeve 3 is sleeved on the high-strength bolt 2, the pin 4 passes through the pin hole 6 to reach the pin groove 5, and the pin 4 is in sliding contact with the pin groove 5.
本实施例通过设计高强螺栓、套筒的结构，各个高强螺栓2均采用单边螺栓，并采用套筒3进行连接，只需转动套筒3拧紧螺栓使杆件与螺栓球连接紧固，相较于采用普通螺栓的节点，方便现场施工；且可以使得空心螺栓球预先焊接成型，不需在球壁上预留大的安装孔洞，不需在球壳表面另外安装用于封闭球壳的盖板，不占用杆件的安装空间；同时，为了实现高强螺栓2与套筒之间的位置锁紧与固定，在高强螺栓2上沿轴向开设销钉槽5，销钉槽5设计成了连续设置的第一销钉槽和第二销钉槽，第二销钉槽的深度大于第一销钉槽；第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；销钉槽在高强螺栓伸出螺纹孔设定的深度时，深度突然加深，使销钉正好落入第二销钉槽内，实现高强螺栓与套筒的锁紧；同时还能确保高强螺栓在空心螺栓球内已经拧紧到位；In this embodiment, by designing the structure of high-strength bolts and sleeves, each high-strength bolt 2 adopts a single-sided bolt and is connected by a sleeve 3. It is only necessary to rotate the sleeve 3 to tighten the bolt to connect the rod and the bolt ball. Compared with the node using ordinary bolts, it is convenient for on-site construction; and the hollow bolt ball can be pre-welded and formed, without reserving a large installation hole on the ball wall, and without installing a cover plate for closing the ball shell on the surface of the ball shell, and does not occupy the installation space of the rod; at the same time, in order to achieve the position locking and Fixing, a pin groove 5 is provided in the axial direction of the high-strength bolt 2, and the pin groove 5 is designed to be a first pin groove and a second pin groove which are continuously arranged, and the depth of the second pin groove is greater than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt extends; when the high-strength bolt extends to a set depth through the threaded hole, the depth of the pin groove suddenly deepens, so that the pin falls into the second pin groove just right, thereby realizing the locking of the high-strength bolt and the sleeve; at the same time, it can also ensure that the high-strength bolt has been tightened into place in the hollow bolt ball;
需要进一步的说明的是，由于本发明的空心螺栓球是事先焊接封闭的，因此，对于高强螺栓在连接空心螺栓球与杆件时，是否已经完全拧紧到位，很难判断，本发明则通过设计第一销钉槽的长度，使第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度，只要高强螺栓伸出空心螺栓球达到设定的长度时，使销钉就会正好落入第二销钉槽内，通过这种设计确保高强螺栓在连接空心螺栓球与杆件时完全拧紧到位。It needs to be further explained that, since the hollow bolt ball of the present invention is welded and sealed in advance, it is difficult to judge whether the high-strength bolt has been fully tightened when connecting the hollow bolt ball and the rod. The present invention designs the length of the first pin groove so that the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt extends. As long as the high-strength bolt extends out of the hollow bolt ball to a set length, the pin will fall exactly into the second pin groove. This design ensures that the high-strength bolt is fully tightened when connecting the hollow bolt ball and the rod.
进一步的，本实施例在垫板7的外侧还可以焊接加劲肋，将应力分散到空心螺栓球1表面，可改善空心螺栓球1受力，提高空心螺栓球1承载能力。Furthermore, in this embodiment, stiffening ribs may be welded on the outer side of the pad 7 to disperse the stress to the surface of the hollow bolt ball 1 , thereby improving the stress of the hollow bolt ball 1 and increasing the bearing capacity of the hollow bolt ball 1 .
具体地，所述垫板7为圆形垫板，一侧弧面、一侧平面，弧面的曲面半径与空心螺栓球1的曲面半径一致，弧面紧贴空心螺栓球1并与其采取坡口对接焊焊接在一起，平面与套筒3紧贴，所述垫板7直径与杆件9直径一致即可，所述垫板7厚度与空心螺栓球1厚度之和最小处满足高强螺栓2直径的1.1倍即可，所述垫板7与空心螺栓球1开设的螺纹孔是与高强螺栓2匹配并且连贯的，螺纹孔数量不限，以安装高强螺栓时互不影响为准。Specifically, the pad 7 is a circular pad with an arc surface on one side and a flat surface on the other side. The radius of the arc surface is consistent with the radius of the hollow bolt ball 1. The arc surface is close to the hollow bolt ball 1 and is welded to it by groove butt welding. The flat surface is close to the sleeve 3. The diameter of the pad 7 can be consistent with the diameter of the rod 9. The minimum sum of the thickness of the pad 7 and the thickness of the hollow bolt ball 1 can be 1.1 times the diameter of the high-strength bolt 2. The threaded holes opened in the pad 7 and the hollow bolt ball 1 are matched with the high-strength bolt 2 and are continuous. The number of threaded holes is not limited, and it is subject to not affecting each other when installing the high-strength bolts.
具体地，所述封板8上开设与垫板7螺纹孔位置相同的通孔，封板8与杆件9采取单面角焊焊接在一起。Specifically, a through hole is provided on the sealing plate 8 at the same position as the threaded hole of the backing plate 7, and the sealing plate 8 and the rod 9 are welded together by single-sided fillet welding.
具体地，所述空心螺栓球1由两个空心半球坡口对接焊接组成，且在安装杆件之前，空心螺栓球1就已经焊接完成；Specifically, the hollow bolt ball 1 is composed of two hollow hemispheres butt-welded with grooves, and the hollow bolt ball 1 has been welded before the rod is installed;
进一步的，本实施例中的空心多螺栓球网架连接节点的安装方法，包括以下步骤：Furthermore, the method for installing the hollow multi-bolt ball grid connection node in this embodiment includes the following steps:
S1、将两个空心半球坡口对接焊接在一起，形成空心螺栓球1；S1, butt-welding two hollow hemisphere grooves together to form a hollow bolt ball 1;
S2、将垫板7与空心螺栓球1坡口对接焊焊接在一起，垫板7位置与数量根据施工需要确定。再将加劲肋11采用角焊缝在垫板7与空心螺栓球1连接处；S2, butt weld the backing plate 7 and the hollow bolt ball 1 together, the position and quantity of the backing plate 7 are determined according to the construction needs. Then, fillet weld the stiffening rib 11 at the connection between the backing plate 7 and the hollow bolt ball 1;
S3、在垫板5与空心螺栓球上开设多个螺纹孔；S3, opening a plurality of threaded holes on the backing plate 5 and the hollow bolt ball;
S4、在封板8上开设通孔，位置与垫板7上的螺纹孔位置相同，将高强螺栓2从封板8一侧穿出，用临时螺帽10固定，将封板8与杆件9单面角焊焊接在一起；S4. A through hole is opened on the sealing plate 8, the position of which is the same as that of the threaded hole on the backing plate 7. The high-strength bolt 2 is passed through one side of the sealing plate 8 and fixed with a temporary nut 10. The sealing plate 8 and the rod 9 are welded together by single-sided fillet welding;
S5、将空心螺栓球1与杆件9运输至施工现场，回收临时螺帽10，利用辅助件将高强螺栓2拧入垫板7与空心螺栓球1的螺纹孔中，直至销钉4进入销钉槽5深部，达到高强螺栓2的锚固要求，实现高强螺栓2与杆件9的拧紧。S5. Transport the hollow bolt ball 1 and the rod 9 to the construction site, recover the temporary nut 10, and use auxiliary parts to screw the high-strength bolt 2 into the threaded holes of the pad 7 and the hollow bolt ball 1 until the pin 4 enters the deep part of the pin groove 5 to meet the anchoring requirements of the high-strength bolt 2 and realize the tightening of the high-strength bolt 2 and the rod 9.
具体地，所述S5包括以下步骤：将套筒3套至高强螺栓2的螺杆上，旋转套筒3至其上的销钉孔6对准高强螺栓2上的销钉槽5，将销钉4插入套筒3的销钉孔6上，使销钉4与销钉槽5接触，转动套筒3，带动销钉4与高强螺栓2转动，当销钉4与套筒3平齐，达到高强螺栓2的锚固要求，实现安装。Specifically, S5 includes the following steps: sleeve 3 is put onto the screw rod of the high-strength bolt 2, sleeve 3 is rotated until the pin hole 6 thereon is aligned with the pin groove 5 on the high-strength bolt 2, pin 4 is inserted into the pin hole 6 of sleeve 3 so that pin 4 contacts with pin groove 5, sleeve 3 is rotated to drive pin 4 and high-strength bolt 2 to rotate, and when pin 4 is flush with sleeve 3, the anchoring requirement of high-strength bolt 2 is met and installation is completed.
实施例二：Embodiment 2:
本实施例主要是针对空心螺栓球1的球壳厚度较大时，无需增加垫板的情况，进行说明，即采用所示不使用垫板的空心多螺栓球网架连接节点，结合附图4-图8，球壳厚度较大时，采用所示不使用垫板的空心多螺栓球网架连接节点，包括空心螺栓球1、高强螺栓2、封板8以及杆件9,所述空心螺栓球1开设多组沿螺栓球径向的螺纹孔，封板8与杆件9焊接在一起，并开设与螺栓球螺纹孔对应的通孔，所述封板8两侧均为弧面。所述高强螺栓2从封板8穿出，在运输过程中用临时螺帽10固定，利用辅助件将高强螺栓拧入空心螺栓球1的螺纹孔，直至销钉4与套筒3平齐，达到高强螺栓2的锚固要求，以实现空心螺栓球1与杆件9的紧固连接。This embodiment is mainly for the case where the thickness of the hollow bolt ball 1 is large and there is no need to add a pad, that is, the hollow multi-bolt ball grid connection node without a pad is used. In combination with Figures 4 to 8, when the thickness of the ball shell is large, the hollow multi-bolt ball grid connection node without a pad is used, including a hollow bolt ball 1, a high-strength bolt 2, a sealing plate 8 and a rod 9. The hollow bolt ball 1 has multiple groups of threaded holes along the radial direction of the bolt ball. The sealing plate 8 is welded to the rod 9 and has through holes corresponding to the threaded holes of the bolt ball. Both sides of the sealing plate 8 are arc surfaces. The high-strength bolt 2 passes through the sealing plate 8 and is fixed with a temporary nut 10 during transportation. The high-strength bolt is screwed into the threaded hole of the hollow bolt ball 1 using an auxiliary part until the pin 4 is flush with the sleeve 3 to meet the anchoring requirements of the high-strength bolt 2, so as to achieve a tight connection between the hollow bolt ball 1 and the rod 9.
具体地，所述辅助件包含套筒3和销钉4，所述套筒3上沿径向开设销钉孔，所述高强螺栓2上沿轴向开设销钉槽5，销钉槽5包括连续设置的第一销钉槽和第二销钉槽，第二销钉槽靠近高强螺栓2的头部，且第二销钉槽的深度大于第一销钉槽；第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；即销钉槽5在高强螺栓2伸出螺纹孔设定的深度(可以是5mm)时，深度突然加深，形成所述的第二销钉槽，然后使销钉4正好落入第二销钉槽内，实现高强螺栓2与套筒3的锁紧，此时销钉4的顶部正好与套筒3的外圈平齐；所述套筒3套在高强螺栓2上，销钉4穿过销钉孔6到达销钉槽5，且销钉4与销钉槽5滑动接触。Specifically, the auxiliary part includes a sleeve 3 and a pin 4, a pin hole is radially opened on the sleeve 3, and a pin groove 5 is axially opened on the high-strength bolt 2, the pin groove 5 includes a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the high-strength bolt 2, and the depth of the second pin groove is greater than the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt extends; that is, when the high-strength bolt 2 extends out of the threaded hole to a set depth (which can be 5 mm), the depth of the pin groove 5 suddenly deepens to form the second pin groove, and then the pin 4 falls into the second pin groove to achieve the locking of the high-strength bolt 2 and the sleeve 3, at which time the top of the pin 4 is flush with the outer ring of the sleeve 3; the sleeve 3 is sleeved on the high-strength bolt 2, the pin 4 passes through the pin hole 6 to reach the pin groove 5, and the pin 4 is in sliding contact with the pin groove 5.
本实施例通过设计高强螺栓、套筒的结构，各个高强螺栓2均采用单边螺栓，并采用套筒3进行连接，只需转动套筒3拧紧螺栓使杆件与螺栓球连接紧固，相较于采用普通螺栓的节点，方便现场施工；且可以使得空心螺栓球预先焊接成型，不需在球壁上预留大的安装孔洞，不需在球壳表面另外安装用于封闭球壳的盖板，不占用杆件的安装空间；同时，为了实现高强螺栓2与套筒之间的位置锁紧与固定，在高强螺栓2上沿轴向开设销钉槽5，销钉槽5设计成了连续设置的第一销钉槽和第二销钉槽，第二销钉槽的深度大于第一销钉槽；第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度；销钉槽在高强螺栓伸出螺纹孔设定的深度时，深度突然加深，使销钉正好落入第二销钉槽内，实现高强螺栓与套筒的锁紧；同时还能确保高强螺栓在空心螺栓球内已经拧紧到位；In this embodiment, by designing the structure of high-strength bolts and sleeves, each high-strength bolt 2 adopts a single-sided bolt and is connected by a sleeve 3. It is only necessary to rotate the sleeve 3 to tighten the bolt to connect the rod and the bolt ball. Compared with the node using ordinary bolts, it is convenient for on-site construction; and the hollow bolt ball can be pre-welded and formed, without reserving a large installation hole on the ball wall, and without installing a cover plate for closing the ball shell on the surface of the ball shell, and does not occupy the installation space of the rod; at the same time, in order to achieve the position locking and Fixing, a pin groove 5 is provided in the axial direction of the high-strength bolt 2, and the pin groove 5 is designed to be a first pin groove and a second pin groove which are continuously arranged, and the depth of the second pin groove is greater than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt extends; when the high-strength bolt extends to a set depth through the threaded hole, the depth of the pin groove suddenly deepens, so that the pin falls into the second pin groove just right, thereby realizing the locking of the high-strength bolt and the sleeve; at the same time, it can also ensure that the high-strength bolt has been tightened into place in the hollow bolt ball;
需要进一步的说明的是，由于本发明的空心螺栓球是事先焊接封闭的，因此，对于高强螺栓在连接空心螺栓球与杆件时，是否已经完全拧紧到位，很难判断，本发明则通过设计第一销钉槽的长度，使第一销钉槽在高强螺栓轴线上的长度等于高强螺栓伸出空心螺栓球上的螺纹孔长度，只要高强螺栓伸出空心螺栓球达到设定的长度时，使销钉就会正好落入第二销钉槽内，通过这种设计确保高强螺栓在连接空心螺栓球与杆件时完全拧紧到位。It needs to be further explained that, since the hollow bolt ball of the present invention is welded and sealed in advance, it is difficult to judge whether the high-strength bolt has been fully tightened when connecting the hollow bolt ball and the rod. The present invention designs the length of the first pin groove so that the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole on the hollow bolt ball through which the high-strength bolt extends. As long as the high-strength bolt extends out of the hollow bolt ball to a set length, the pin will fall exactly into the second pin groove. This design ensures that the high-strength bolt is fully tightened when connecting the hollow bolt ball and the rod.
进一步的，本实施例的套筒3两侧分别铣削成与球面和封板一致的弧面；所述套筒3套在高强螺栓2上，销钉4穿过销钉孔6到达销钉槽5，销钉4与销钉槽5滑动接触。Furthermore, both sides of the sleeve 3 of this embodiment are respectively milled into arc surfaces consistent with the spherical surface and the sealing plate; the sleeve 3 is sleeved on the high-strength bolt 2, the pin 4 passes through the pin hole 6 to reach the pin groove 5, and the pin 4 is in sliding contact with the pin groove 5.
进一步的，本实施例的封板8为圆形封板，两侧均为弧面，封板8与杆件9采取单面角焊缝焊接在一起。Furthermore, the sealing plate 8 of the present embodiment is a circular sealing plate with arc surfaces on both sides, and the sealing plate 8 and the rod 9 are welded together by a single-sided fillet weld.
进一步的，本实施例的空心螺栓球1由两个空心半球坡口对接焊接组成，且在安装杆件之前，空心螺栓球1就已经焊接完成；Furthermore, the hollow bolt ball 1 of this embodiment is composed of two hollow hemispheres butt-welded with grooves, and the hollow bolt ball 1 has been welded before the rod is installed;
本实施例提出的空心多螺栓球网架连接节点的安装方法，包括以下步骤：The installation method of the hollow multi-bolt ball grid connection node proposed in this embodiment includes the following steps:
S1、将两个空心半球坡口对接焊接在一起，形成空心螺栓球1；S1, butt-welding two hollow hemisphere grooves together to form a hollow bolt ball 1;
S2、在空心螺栓球1上开设多组螺纹孔；S2, opening a plurality of threaded holes on the hollow bolt ball 1;
S3、在封板8上开设通孔，位置与空心螺栓球1上的螺纹孔位置对应，将高强螺栓从封板8一侧穿出，用临时螺帽10固定，将封板8与杆件9单面角焊焊接在一起；S3. Open a through hole on the sealing plate 8, the position of which corresponds to the position of the threaded hole on the hollow bolt ball 1, pass the high-strength bolt through one side of the sealing plate 8, fix it with a temporary nut 10, and weld the sealing plate 8 and the rod 9 together with a single-sided fillet weld;
S4、将空心螺栓球1与杆件9运输至施工现场，回收临时螺帽10，利用辅助件将高强螺栓2拧入空心螺栓球1的螺纹孔中，直至销钉4进入钉槽5深部，达到高强螺栓2的锚固要求，实现高强螺栓2与杆件9的拧紧。S4. Transport the hollow bolt ball 1 and the rod 9 to the construction site, recover the temporary nut 10, and use auxiliary parts to screw the high-strength bolt 2 into the threaded hole of the hollow bolt ball 1 until the pin 4 enters the deep part of the nail groove 5 to meet the anchoring requirements of the high-strength bolt 2 and realize the tightening of the high-strength bolt 2 and the rod 9.
具体地，所述S5包括以下步骤：将套筒3套至高强螺栓2的螺杆上，旋转套筒3至其上的销钉孔6对准高强螺栓2上的销钉槽5，将销钉4插入套筒3的销钉孔6上，使销钉4与销钉槽5接触，转动套筒3，带动销钉4与高强螺栓2转动，当销钉4与套筒3平齐，达到高强螺栓2的锚固要求，实现安装。Specifically, S5 includes the following steps: sleeve 3 is put onto the screw rod of the high-strength bolt 2, sleeve 3 is rotated until the pin hole 6 thereon is aligned with the pin groove 5 on the high-strength bolt 2, pin 4 is inserted into the pin hole 6 of sleeve 3 so that pin 4 contacts with pin groove 5, sleeve 3 is rotated to drive pin 4 and high-strength bolt 2 to rotate, and when pin 4 is flush with sleeve 3, the anchoring requirement of high-strength bolt 2 is met and installation is completed.
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