WO2021147141A1 - 卡槽式钢木组合节点及安装方法 - Google Patents

卡槽式钢木组合节点及安装方法 Download PDF

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Publication number
WO2021147141A1
WO2021147141A1 PCT/CN2020/077446 CN2020077446W WO2021147141A1 WO 2021147141 A1 WO2021147141 A1 WO 2021147141A1 CN 2020077446 W CN2020077446 W CN 2020077446W WO 2021147141 A1 WO2021147141 A1 WO 2021147141A1
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Prior art keywords
steel pipe
steel
central
wooden
sleeve
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PCT/CN2020/077446
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English (en)
French (fr)
Inventor
牟犇
周万求
潘巍
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青岛理工大学
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Publication of WO2021147141A1 publication Critical patent/WO2021147141A1/zh

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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
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • 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
    • E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
    • E04B1/486—Shear dowels for wood
    • 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
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/2652—Details of nailing, screwing, or bolting
    • 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
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/2676—Connector nodes

Definitions

  • the invention relates to a building construction technology, in particular to a steel-wood composite node in the construction field and an installation method thereof.
  • the technical scheme of the invention can aim at the problems existing in the beam-column node in the existing wooden structure building, and provide a slotted steel-wood combined node.
  • the slotted steel-wood composite node of the present invention includes square wooden columns, wooden beams and beam-column connectors.
  • the beam-column connectors include a central steel pipe, a beam end steel sleeve and an external free sleeve, which are adjacent to each other up and down.
  • the wooden columns are connected by central steel pipes, and the wooden beams are connected with the central steel pipes through the beam end steel sleeves;
  • a steel plate is arranged inside the central steel pipe body.
  • the steel plate divides the inside of the central steel pipe into two upper and lower parts, which are an upper central steel pipe and a lower central steel pipe.
  • the adjacent upper wooden pillars are inserted from the open end of the upper central steel pipe, adjacent to the lower part.
  • the wooden column is inserted from the open end of the lower central steel pipe, and the central steel pipe and the wooden column are fixed by connecting pieces;
  • the side of the upper central steel pipe is provided with positioning rods, the side of the lower central steel pipe is provided with a connecting box, and a slot is provided on the connecting box;
  • the wooden beam is inserted from one end of the steel sleeve at the beam end and fixed by the connecting piece.
  • the upper connecting plate is arranged on the top surface of the other end of the steel sleeve of the beam end, the lower connecting plate is arranged on the bottom surface, the lower connecting plate is inserted into the slot, and the upper connecting plate is arranged.
  • the outer free sleeve includes four node protective sleeves and side connecting plates integrally arranged.
  • the node protective sleeve includes an upper top cover and side plates on both sides.
  • the upper top cover and the two side plates enclose a cavity with an open bottom;
  • the side plates of the adjacent node protective sleeves are connected by side connecting plates; the outer free sleeve is sleeved at the connection node of the central steel pipe and the beam end steel sleeve.
  • the composite joint is mainly made of steel components, and compared with the wooden building structure system in the prior art, the strength and stability of the joint are greatly improved, the force transmission path is clear, and the theoretical calculation is easy.
  • the steel plate divides the inner part of the central steel pipe into upper and lower parts.
  • the upper wooden column and the lower wooden column are in contact with the steel plate integrated with the central steel pipe instead of direct contact.
  • the vertical load transmitted by the beam end is transmitted from the upper wooden column through the steel plate.
  • stress concentration is avoided and the safety of force transmission is improved.
  • the upper free kit is covered on the central steel pipe with a certain contour, which can enhance the integrity of the joint and protect the joint.
  • the wooden pillars are FRP wooden pillars, and the surface of the wooden pillars is wound with a fiber-reinforced composite material layer.
  • the connecting piece is a wood screw
  • each side of the upper center steel pipe and the lower center steel pipe is provided with a center steel pipe bolt hole
  • the center steel pipe bolt holes on each side are staggered up and down, and are not arranged on a horizontal surface.
  • the performance of the wood is weakened due to the setting of bolt holes.
  • the slot has a gap in the direction perpendicular to the wooden column, which is arranged in order to reduce construction and installation requirements.
  • both the left and right sides of the beam end steel sleeve are provided with sleeve bolt holes to facilitate the fixed connection between the beam end steel sleeve and the wooden beam.
  • the connecting piece fixed between the central steel pipe and the wooden column, and the connecting piece fixed between the wooden beam and the steel sleeve at the beam end are all wood screws.
  • the side connecting plate is L-shaped; the upper top cover is an inverted L-shaped. After the steel-wood composite node is assembled, the overall structural consistency is good.
  • the upper top cover is covered outside the upper connecting plate, so that the upper connecting plate is inserted into the cavity of the upper top cover.
  • the side plates are located on both sides of the steel sleeve at the beam end, which can well limit the horizontal left and right shaking of the wooden beam and improve the joint performance. Stability and firmness.
  • Another object of the present invention is to provide a method for installing the above-mentioned card-groove type steel-wood combined node, which includes the following steps:
  • Step 1 Insert the lower wooden column (1) into the central steel pipe (3) and fix it with the connecting piece;
  • Step 2 Insert the upper wooden column (1) into the central steel pipe (3);
  • Step 3 Insert the wooden beam (2) into the steel sleeve (4) at the beam end and fix it with the connecting piece;
  • Step 4 Insert the lower connecting plate (42) of the beam end steel casing (4) into the slot (35), and at the same time make the positioning rod (33) pass through the strip hole (43) of the upper connecting plate (41), and screw it The upper nut is fixed;
  • Step 5 Put the outer free sleeve (5) on the central steel tube (3), insert the upper connecting plate (41) into the cavity of the upper top cover (53), and the side plate (54) at the beam end steel sleeve (4) ) On both sides;
  • Step 6 Fix the upper wooden column (1) and the central steel pipe (3) through the connecting piece to form a steel-wood composite node.
  • the joint of the present invention uses steel components as the main body, which greatly improves the strength and stability of the joint, and the force transmission path is clear and easy to theoretical calculation;
  • All parts of the present invention can be manufactured in batches by factory processing. There are few parts. The construction is fully assembled. The on-site installation process is simple and mainly assembled. Only some parts need to be reinforced with bolts. The construction speed is fast, and it is suitable for rapid assembly. Type installation and construction has a huge market in the prefabricated wood structure market.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is a schematic diagram of the central steel pipe structure
  • Figure 3 is a top view of the central steel pipe
  • Figure 4 is one of the structural schematic diagrams of the steel casing at the beam end
  • Figure 5 is the second structural diagram of the steel casing at the beam end
  • Figure 6 is a schematic diagram of the external free sleeve structure
  • FIG. 7 is a diagram of the installation steps of the present invention.
  • the above drawings include the following reference signs: 1. Wooden column; 2. Wooden beam; 3. Central steel pipe; 31. Steel plate; 32. Central steel pipe bolt hole; 33. Positioning rod; 34. Connecting box; 35. Slot; 36, upper center steel tube; 37, lower center steel tube; 4. beam end steel casing; 41, upper connecting plate; 42, lower connecting plate; 43, strip hole; 44,; casing bolt hole; 5. External Free sleeve; 51. Node protective sleeve; 52. Side connecting plate; 53, Upper top cover; 54, Side plate.
  • the card slot type steel-wood composite node of the present invention includes square wooden pillars 1 and wooden beams 2.
  • the wooden pillars are FRP wooden pillars, and the surface of the wooden pillars is wrapped with FRP cloth to enhance the mechanical properties of the wooden pillars.
  • It also includes a central steel pipe 3, a beam end steel sleeve 4 and an external free sleeve 5.
  • the upper and lower wooden columns are connected by the central steel pipe, the wooden beam is connected with the central steel pipe 3 through the beam end steel sleeve 4, and the outer free sleeve 5 is covered in the central steel pipe 3 and the beam end steel sleeve
  • the connection node of tube 4 is outside.
  • a steel plate 31 is arranged inside the tube body of the central steel pipe 3.
  • the steel plate 31 separates the central steel pipe 3 into two upper and lower parts, which are an upper central steel pipe 36 and a lower central steel pipe 37, and an upper central steel pipe 36 and a lower central steel pipe.
  • the central steel pipe 37 is provided with a central steel pipe bolt hole 32 on each side.
  • the upper and lower wooden columns are inserted from the upper and lower ends of the central steel pipe respectively, and wood screws are driven from the bolt holes to fix the wooden column and the central steel pipe; the upper and lower bolt holes are staggered.
  • the weakening of the wood performance due to the bolt holes is reduced; the upper part of the side of the central steel pipe is vertically fixed with a positioning rod 33, the lower part is fixed with a connecting box 34, and a slot 35 is provided on the connecting box.
  • the beam end steel casing 4 has a square structure, one end is provided with an upper connecting plate 41 on the top surface, a lower connecting plate 42 is provided on the bottom surface, and both left and right sides are provided with casing bolt holes 44,
  • the wooden beam is inserted from the other end of the beam end steel sleeve, and the wood screw is driven into the bolt hole to connect the wooden beam and the beam end steel sleeve.
  • the upper connecting plate is provided with a strip hole 43.
  • the slot 35 After the lower connecting plate 42 is inserted into the slot 35, the slot 35 has a certain gap in the direction perpendicular to the wooden post.
  • the outer free sleeve 5 is covered on the central steel pipe 3 with a certain contour.
  • the outer free sleeve 5 includes four node protective sleeves 51 and an L-shaped side connecting plate 52.
  • the node protective sleeve 51 has a "door"-shaped structure and includes an upper top cover 53 and side plates 54 on both sides.
  • the side plates are connected by a side connecting plate 52, and the upper top cover 53 is an inverted L-shaped structure, which encloses a cavity with the side plate 54.
  • the inner size of the outer free sleeve 5 matches the outer size of the central steel pipe 3.
  • the outer free sleeve 5 is sleeved outside the central steel pipe 1, and the upper top cover 53 is covered outside the upper connecting plate 41 so that the upper connecting plate 41 is inserted In the cavity of the upper top cover, side plates 54 are located on both sides of the beam end steel sleeve 4.
  • the installation method of the above-mentioned card slot type steel-wood combined node includes the following steps:
  • Step 1 Insert the lower wooden column into the central steel pipe and fix it with wood screws;
  • Step 2 Insert the upper wooden column into the central steel pipe, and fix the two without using wood screws. This is because the inner dimension of the outer free sleeve matches the outer dimension of the central steel pipe. If wood screws are installed at this time, it will cause The upper free sleeve cannot be installed;
  • Step 3 Insert the wooden beam into the steel sleeve at the beam end and fix it with wood screws
  • Step 4 Insert the lower connecting plate of the steel casing at the beam end into the slot, and at the same time pass the screw through the strip hole of the upper connecting plate, and then tighten the nut on the screw to fix it;
  • Step 5 Put the outer free sleeve on the central steel pipe, insert the upper connecting plate into the cavity of the upper top cover, and the side plates are located on both sides of the steel sleeve at the beam end;
  • Step 6 Drive wood screws to securely connect the upper wooden column with the central steel pipe.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

一种卡槽式钢木组合节点，包括方形的木柱（1）、木梁（2）、中心钢管（3）、梁端钢套管（4）和外部自由套（5），上下木柱（1）通过中心钢管（3）连接，木梁（2）通过梁端钢套管（4）与中心钢管（3）连接，外部自由套（5）套在中心钢管（3）外。还公开了该卡槽式钢木组合节点的安装方法。该卡槽式钢木组合节点以钢构件为主体，安装工序简单，提高了节点的强度和稳定性。

Description

卡槽式钢木组合节点及安装方法 技术领域
本发明涉及一种建筑构造技术，具体而言，涉及一种建筑领域的钢木组合节点及其安装方法。
背景技术
随着现代建筑行业对节能的倡导，以及人们对生活质量的追求，木结构成为建筑行业新的发展方向，具有巨大的发展前景。以木结构为主体的建筑，具有施工建造周期短、抗震性能强、绿色环保、保温节能、耐久性强等优点，越来越受到人们的青睐。
但是，现有木结构建筑在实际建造过程中，由于在结构主体节点处的木材安装前需要进行切割、挖槽等处理，处理精度要求高，处理时间长，而且梁柱连接后存在节点整体性不好、木材力学性能削弱、抗震性能下降等问题。
发明内容
本发明的技术方案能够针对现有木结构建筑中梁柱节点存在的问题,提供一种卡槽式钢木组合节点。
为了实现上述目的，本发明的卡槽式钢木组合节点，包括方形的木柱、木梁以及梁柱连接件，梁柱连接件包括中心钢管、梁端钢套管和外部自由套，其中上下相邻的木柱之间通过中心钢管连接，木梁通过梁端钢套管与中心钢管连接；
所述中心钢管管体内部设置有钢板，钢板将中心钢管内部间隔为上下两部分，分别为上中心钢管和下中心钢管，相邻的上方木柱从上中心钢管开口端插入，相邻的下方木柱从下中心钢管开口端插入，中心钢管和木柱之间通过连接件固定；上中心钢管的侧面设置定位杆，下中心钢管侧面设置连接箱体，连接箱体上设置有插槽；
木梁从梁端钢套管的一端插入并通过连接件固定，梁端钢套管的另一端的顶面上设置上连接板，底面上设置下连接板，下连接板插入插槽中，上连接板上设置有条形孔，定位杆穿过条形孔后通过螺母固定；
外部自由套包括一体设置的四个节点保护套和侧连接板，节点保护套包括上部顶盖和两侧的侧板，上部顶盖与两个侧板围成一个底端开口的空腔；相邻的节点保护套的侧板之间通过侧连接板连接；外部自由套套在中心钢管和梁端钢套管连接节点处。
本组合节点以钢构件为主体，相对于现有技术中的木建筑结构体系，大大提高了节点的强度和稳定性，传力途径明确，易于理论演算。钢板将中心钢管内部间隔为上下两部分，上方木柱和下方木柱之间通过与中心钢管一体的钢板接触，而不直接接触，梁端传递的竖向荷载，由上木柱通过钢板传递到下木柱全截面上，避免了应力集中，提高了传力安全性。上部自由套件以一定轮廓罩在中心钢管上，可以增强节点的整体性，并保护节点。
优选地，木柱为FRP木柱，木柱表面缠绕纤维增强复合材料层。
优选地，连接件为木螺钉，上中心钢管和下中心钢管每个侧面上均设有中心钢管螺栓孔，每个侧面上的中心钢管螺栓孔上下交错分布，不设置在一个水平面上，减小了由于设置螺栓孔对木材性能的削弱。
优选地，下连接板插入插槽内后，插槽在垂直于木柱的方向有空隙，这样设置是为了降低施工安装要求。
优选地，梁端钢套管的左右两个侧面皆设置套管螺栓孔，便于梁端钢套管与木梁的固定连接。
优选地，中心钢管和木柱之间固定的连接件，以及木梁与梁端钢套管之间固定的连接件，皆为木螺钉。
优选地，侧连接板为L型；上部顶盖为倒立的L型，钢木组合节点组装完成后，从整体上看结构一致性好。
上部顶盖罩在上连接板外，使上连接板插在上部顶盖的空腔中，侧板位于梁端钢套管的两侧，可很好地限制木梁的横向左右晃动，提高了节点的稳定性和牢固性。
本发明的另一个目的是提供一种上述卡槽式钢木组合节点的安装方法，包括以下步骤：
步骤一：将下方木柱(1)插入中心钢管(3)中并通过连接件固定；
步骤二：将上方木柱(1)插入中心钢管(3)中；
步骤三：将木梁(2)插入梁端钢套管(4)中并通过连接件固定；
步骤四：将梁端钢套管(4)的下连接板(42)插入插槽(35)中，同时使定位杆(33)穿过上连接板(41)的条形孔(43)，并拧上螺母固定；
步骤五：将外部自由套(5)套在中心钢管(3)上，使上连接板(41)插在上部顶盖(53)的空腔中，侧板(54)位于梁端钢套管(4)的两侧；
步骤六：将上方木柱(1)与中心钢管(3)通过连接件固定，形成钢木组合节点。
本发明具有以下有益效果：
(1)本发明的节点以钢构件为主体，大大提高了节点的强度和稳定性，传力途径明确，易于理论演算；
(2)本发明的插槽设计预留空间，提高了安装容错率，降低了施工要求；
(3)本发明所有部件都可由工厂加工批量生产，部件少，在施工上为全装配式安装，现场安装工序简单，以组装为主，仅部分需要螺栓加固，施工速度快，适用于快速装配式安装建设，在装配式木结构市场中具有巨大市场。
附图说明
图1是本发明结构示意图；
图2是中心钢管结构示意图；
图3是中心钢管俯视图；
图4是梁端钢套管结构示意图之一；
图5是梁端钢套管结构示意图之二；
图6是外部自由套结构示意图；
图7是本发明安装步骤图；
其中，上述附图包括以下附图标记：1、木柱；2、木梁；3、中心钢管；31、钢板；32、中心钢管螺栓孔；33、定位杆；34、连接箱体；35、插槽；36、上中心钢管；37、下中心钢管；4、梁端钢套管；41、上连接板；42、下连接板； 43、条形孔；44、；套管螺栓孔；5、外部自由套；51、节点保护套；52、侧连接板；53、上部顶盖；54、侧板。
具体实施方式
下面结合附图对本发明作进一步说明。
如图1所示，本发明的卡槽式钢木组合节点，包括方形的木柱1和木梁2，木柱为FRP木柱，木柱表面缠绕有FRP布，以增强木柱的力学性能；还包括中心钢管3、梁端钢套管4和外部自由套5，上下木柱通过中心钢管连接，木梁通过梁端钢套管4与中心钢管3连接，外部自由套5罩在中心钢管3与梁端钢套管4的连接节点外。
如图2-3所示，中心钢管3管体内部设置有钢板31，钢板31将中心钢管3内部间隔为上下两部分，分别为上中心钢管36和下中心钢管37，上中心钢管36和下中心钢管37每个侧面均设有中心钢管螺栓孔32，上下木柱分别从中心钢管上下两端插入，从螺栓孔内打入木螺钉将木柱与中心钢管固定连接；上下螺栓孔交错分布，减小了由于设置螺栓孔对木材性能的削弱；中心钢管的侧面的上部垂直固定有定位杆33，下部固定有连接箱体34，连接箱体上设置有插槽35。
如图4-5所示，梁端钢套管4为方形结构，一端的顶面上设置有上连接板41，底面上设置有下连接板42，左右两个侧面均设置有套管螺栓孔44，木梁从梁端钢套管的另一端插入，从螺栓孔内打入木螺钉将木梁与梁端钢套管连接固定，上连接板上设置有条形孔43，安装时，将下连接板42插入插槽35中的同时使定位杆33穿过条形孔43，然后在定位杆33上拧紧螺母固定。
下连接板42插入插槽35后，插槽35在垂直于木柱的方向有一定的空隙。
如图6所示，外部自由套5以一定轮廓罩在中心钢管3上。外部自由套5包括四个节点保护套51和L型侧连接板52，节点保护套51为“门”字形结构，包括上部顶盖53和两侧的侧板54，相邻的节点保护套的侧板之间通过侧连接板52连接，上部顶盖53为倒立的L型结构，与侧板54围成一个空腔。外部自由套5的内侧尺寸与中心钢管3的外围尺寸相匹配，安装时，将外部自由套5套在中心钢管1外，上部顶盖53罩在上连接板41外，使上连接板41插在上部顶盖的空腔中，侧板54位于梁端钢套管4的两侧。
上述卡槽式钢木组合节点的安装方法，包括以下步骤：
第一步：将下方木柱插入中心钢管中并通过木螺钉固定；
第二步：将上方木柱插入中心钢管中，先不用木螺钉将两者固定连接，这是因为外部自由套的内侧尺寸与中心钢管的外围尺寸相匹配，如果此时打上木螺钉，将导致上部自由套无法安装；
第三步：将木梁插入梁端钢套管并通过木螺钉固定
第四步：将梁端钢套管的下连接板插入插槽中，同时使螺杆穿过上连接板的条形孔，然后在螺杆上拧紧螺母固定；
第五步：将外部自由套套在中心钢管上，使上连接板插在上部顶盖的空腔中，侧板位于梁端钢套管的两侧；
第六步：打入木螺钉将上方木柱与中心钢管固定连接。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化，如本技术方案中可以不限定木柱和木梁为为方形结构，可以为其它形状。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种卡槽式钢木组合节点，包括方形的木柱(1)、木梁(2)以及梁柱连接件，其特征在于，梁柱连接件包括中心钢管(3)、梁端钢套管(4)和外部自由套(5)，其中上下相邻的木柱(1)之间通过中心钢管(3)连接，木梁(2)通过梁端钢套管(4)与中心钢管(3)连接；
    所述中心钢管(3)管体内部设置有钢板(31)，钢板(31)将中心钢管(3)内部间隔为上下两部分，分别为上中心钢管(36)和下中心钢管(37)，相邻的上方木柱(1)从上中心钢管(36)开口端插入，相邻的下方木柱(1)从下中心钢管(37)开口端插入，中心钢管(3)和木柱(1)之间通过连接件固定；上中心钢管(36)的侧面设置定位杆(33)，下中心钢管(37)侧面设置连接箱体(34)，连接箱体(34)上设置有插槽(35)；
    木梁(2)从梁端钢套管(4)的一端插入并通过连接件固定，梁端钢套管(4)的另一端的顶面上设置上连接板(41)，底面上设置下连接板(42)，下连接板(42)插入插槽(35)中，上连接板(41)上设置有条形孔(43)，定位杆(33)穿过条形孔(43)后通过螺母固定；
    外部自由套(5)包括一体设置的四个节点保护套(51)和侧连接板(52)，节点保护套(51)包括上部顶盖(53)和两侧的侧板(54)，上部顶盖(53)与两个侧板(54)围成一个底端开口的空腔；相邻的节点保护套(51)的侧板(54)之间通过侧连接板(52)连接；外部自由套(5)套在中心钢管(3)和梁端钢套管(4)连接节点处。
  2. 根据权利要求1所述的卡槽式钢木组合节点，其特征在于，木柱(1)表面缠绕纤维增强复合材料层。
  3. 根据权利要求1或2所述的卡槽式钢木组合节点，其特征在于，上中心钢管(36)和下中心钢管(37)每个侧面上均设有中心钢管螺栓孔(32)，每个侧面上的中心钢管螺栓孔(32)上下交错分布，不设置在一个水平面上。
  4. 根据权利要求3所述的卡槽式钢木组合节点，其特征在于，梁端钢套管(4)的左右两个侧面皆设置套管螺栓孔(44)。
  5. 根据权利要求3所述的卡槽式钢木组合节点，其特征在于，中心钢管(3)和木柱(1)之间固定的连接件，以及木梁(2)与梁端钢套管(4)之间固定的 连接件，皆为木螺钉。
  6. 根据权利要求3所述的卡槽式钢木组合节点，其特征在于，下连接板(42)插入插槽(35)内后，插槽(35)在垂直于木柱(1)的方向有空隙。
  7. 根据权利要求3所述的卡槽式钢木组合节点，其特征在于，侧连接板(52)为L型。
  8. 根据权利要求3所述的卡槽式钢木组合节点，其特征在于，上部顶盖(53)为倒立的L型。
  9. 根据权利要求3所述的卡槽式钢木组合节点，其特征在于，上部顶盖(53)罩在上连接板(41)外，使上连接板(41)插在上部顶盖(53)的空腔中，侧板(54)位于梁端钢套管(4)的两侧。
  10. 权利要求1-9任一权利要求所述的卡槽式钢木组合节点的安装方法，其特征在于，包括以下步骤：
    步骤一：将下方木柱(1)插入中心钢管(3)中并通过连接件固定；
    步骤二：将上方木柱(1)插入中心钢管(3)中；
    步骤三：将木梁(2)插入梁端钢套管(4)中并通过连接件固定；
    步骤四：将梁端钢套管(4)的下连接板(42)插入插槽(35)中，同时使定位杆(33)穿过上连接板(41)的条形孔(43)，并拧上螺母固定；
    步骤五：将外部自由套(5)套在中心钢管(3)上，使上连接板(41)插在上部顶盖(53)的空腔中，侧板(54)位于梁端钢套管(4)的两侧；
    步骤六：将上方木柱(1)与中心钢管(3)通过连接件固定，形成钢木组合节点。
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