CN111005455A - A kind of modular building prestressed tenon joint structure and construction method - Google Patents

A kind of modular building prestressed tenon joint structure and construction method Download PDF

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Publication number
CN111005455A
CN111005455A CN201911281059.1A CN201911281059A CN111005455A CN 111005455 A CN111005455 A CN 111005455A CN 201911281059 A CN201911281059 A CN 201911281059A CN 111005455 A CN111005455 A CN 111005455A
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tenon
mortise
modular building
fixedly connected
steel pipe
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CN111005455B (en
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姜坤
解莎莎
王鑫
张媛媛
李浩然
李显峰
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MCC Tiangong Group Corp Ltd
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MCC Tiangong Group Corp Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

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

Abstract

The invention relates to the technical field of modular building structures and discloses a modular building prestress mortise and tenon joint structure and a construction method. The invention can be used as a node applied in a modular building structure through the prestress mortise-tenon joint, the node adopts a mode that a steel pipe penetrates through the node and the modular building structure, a steel wire penetrates through the steel pipe, the steel wire is tensioned in advance and concrete is poured to generate prestress so as to fasten and connect the nodes, and then the modular building units are quickly fastened and connected together, so that the modular building module can be quickly assembled and disassembled, and the effect of improving the construction efficiency and quality of the modular building is achieved.

Description

Modular building prestress mortise and tenon joint structure and construction method
Technical Field
The invention relates to the technical field of modular building structures, in particular to a prestressed mortise and tenon joint structure of a modular building and a construction method.
Background
The modular building is an important trend of development of building industry in recent years, as one of building forms with the highest prefabrication degree in the assembly type building, the modular building gradually develops into a hotspot of building industrialization in China with unique advantages of construction, management and green environmental protection, the modular structure building has the advantages of high integration degree, rapidness and high efficiency in assembly and the like, and connection nodes among modules have obvious influence on the overall performance of a mechanism, so that the modular building is very important in relation to the design of the nodes, the development process of the modular building structure at home and abroad researches on the structural form of the connection nodes from a component assembly level, a modular structure level and a modular building level, and various forms of modular building structure connection nodes have appeared at home and abroad at present and are applied to practical engineering.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a modularization building prestressing force mortise-tenon joint structure, includes the unit module, the edges and corners fixedly connected with mortise of unit module, be provided with the tenon between the adjacent mortise, all be provided with machining hole on tenon and the mortise, the outside of unit module is provided with the steel pipe, the steel pipe runs through machining hole, the outside of unit module is provided with the steel wire.
Preferably, the surface of steel pipe is provided with two sleeves, two through connecting rod fixed connection, two between the sleeve pipe the same mounting panel of sheathed tube front fixedly connected with, the front fixedly connected with application of force handle of mounting panel.
Preferably, two the equal fixedly connected with guide ring in one side that the sleeve pipe was kept away from each other, two the equal threaded connection in one side that the sleeve pipe was kept away from each other has the control screw who is located the guide ring inboard, two the equal fixedly connected with control knob in one end that control screw kept away from each other, the one end that control screw kept away from control knob runs through sleeve pipe fixedly connected with rolling disc, the ring channel has been seted up on the surface of rolling disc, two fixedly connected with is located the installation slide rail of control screw top on the inner wall of one side that the sleeve pipe was kept away from each other, the internal surface sliding connection of installation slide rail has the stripper bar, the one end fixedly connected with rubber grip block that control knob was kept away from to the stripper bar, the front and the back of stripper.
Preferably, the length of the control screw is not less than eight centimeters, and the length of the thread on the outer surface of the control screw is not less than six centimeters.
Preferably, the shape of the upper surface of the force application handle is arc-shaped, and the radian of the upper surface of the force application handle is between one hundred fifty degrees and one hundred eighty degrees.
The invention provides a preparation method of a modular building prestress mortise and tenon joint structure, which comprises the following steps:
s1, mechanically manufacturing the tenon and the mortise, and forming mechanical processing holes on the surfaces of the tenon and the mortise according to the proper size;
s2, fixing the mortises with the end corners of the unit modules in a bolt or welding mode, wherein eight mortises are formed in each unit module;
s3, penetrating steel wires into the steel tube through the machining hole, wherein the steel wires penetrate in the vertical direction, the front direction, the rear direction and the left direction and the right direction;
s4, tightening the steel wire by applying external force, and pouring concrete into the steel pipe;
and S5, after concrete is poured, the steel wires are loosened, and the pre-tightening tension is released, namely the unit modules are tightly connected together through the nodes.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can be used as a node applied in a modular building structure through the prestress mortise-tenon joint, the node adopts a mode that a steel pipe penetrates through the node and the modular building structure, a steel wire penetrates through the steel pipe, the steel wire is tensioned in advance and concrete is poured to generate prestress so as to fasten and connect the nodes, and then the modular building units are quickly fastened and connected together, so that the modular building module can be quickly assembled and disassembled, and the effect of improving the construction efficiency and quality of the modular building is achieved.
(2) According to the invention, the two sleeves are sleeved on the outer surface of the steel pipe, the control screw rod is flexibly rotated through the control knob, the rotating disc is moved towards one side close to the steel pipe while rotating through the rotation of the control screw rod, the extrusion rod and the rubber clamping plate are controlled to move towards the steel pipe through the traction rod through the movement of the rotating disc, so that the effect of clamping and fixing the steel pipe by adhering the steel pipe is achieved, the effect of conveniently operating the steel pipe to be inserted into a machining hole is achieved, and the effect of improving the operation efficiency is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the tenon, mortise and steel pipe of the present invention;
FIG. 4 is a schematic view of the tenon and mortise construction of the present invention;
FIG. 5 is a schematic view of the construction of the cell module and mortise of the present invention;
FIG. 6 is a front view of the sleeve of the present invention;
fig. 7 is a schematic top view of the bushing of the present invention.
In the figure: 1. a unit module; 2. a tenon; 3. mortises; 4. a steel pipe; 5. machining a hole; 6. a steel wire; 7. a sleeve; 8. mounting a plate; 9. a force application handle; 10. a guide ring; 11. controlling the screw; 12. a control knob; 13. rotating the disc; 14. an annular groove; 15. installing a slide rail; 16. an extrusion stem; 17. a rubber clamping plate; 18. a drawbar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, a modularization building prestressing force mortise and tenon joint structure, including unit module 1, the edges and corners fixedly connected with mortise 3 of unit module 1, be provided with tenon 2 between the adjacent mortise 3, all be provided with machining hole 5 on tenon 2 and the mortise 3, unit module 1's the outside is provided with steel pipe 4, steel pipe 4 runs through machining hole 5, unit module 1's the outside is provided with steel wire 6, steel pipe 4's surface is provided with two sleeve pipes 7, through connecting rod fixed connection between two sleeve pipes 7, the same mounting panel 8 of the positive fixedly connected with of two sleeve pipes 7, the positive fixedly connected with application of force handle 9 of mounting panel 8, the shape of application of force handle 9 upper surface is the arc, the radian of application of force handle 9 upper surface is between one hundred fifty degrees to one hundred eighty degrees, play the effect of being convenient for the hand snatchs.
The two sleeves 7 are mutually far away from one side of the guide ring 10, the two sleeves 7 are mutually far away from one side of the guide ring 11, the length of the control screw 11 is not less than eight centimeters, the thread length of the outer surface of the control screw 11 is not less than six centimeters, the two sleeves 11 are mutually far away from one end of the control screw 12, the control screw 11 is fixedly connected with the control knob 12, one end of the control knob 12 far away from the control screw 11 penetrates through the sleeve 7 and is fixedly connected with the rotating disc 13, the annular groove 14 is formed in the outer surface of the rotating disc 13, the two sleeves 7 are mutually far away from one side of the inner wall of the inner.
The invention provides a preparation method of a modular building prestress mortise and tenon joint structure, which comprises the following steps:
s1, mechanically manufacturing the tenon 2 and the mortise 3, and forming mechanical processing holes 5 on the surfaces of the tenon 2 and the mortise 3 according to the proper size;
s2, fixing the mortises 3 with the end corners of the unit modules 1 in a bolt or welding mode, and arranging eight mortises 3 in each unit module 1;
s3, penetrating the steel pipe 4 into the steel wire 6 through the machining hole 5, and penetrating the steel wire 6 in the vertical direction, the front and back direction and the left and right direction;
s4, tensioning the steel wire 6 by applying external force, and pouring concrete into the steel pipe 4;
and S5, after concrete is poured, the steel wire 6 is loosened, and the pre-tightening tension is released, namely the unit modules 1 are tightly connected together through the nodes.
The invention can be used as a node applied in a modular building structure through the prestress mortise-tenon joint, the steel pipe 4 penetrates through the node and the modular building structure, the steel wire 6 is penetrated in the steel pipe 4, prestress is generated by pre-tensioning the steel wire 6 and pouring concrete, so as to fasten and connect the nodes, and further the modular building units are quickly fastened together, so that the modular building module can be quickly assembled and disassembled, and the effect of improving the construction efficiency and quality of the modular building is achieved.
According to the invention, the two sleeves 7 are sleeved on the outer surface of the steel pipe 4, the control screw 11 is flexibly rotated through the control knob 12, the rotation of the control screw 11 enables the rotating disc 13 to move towards one side close to the steel pipe 4 while rotating, the rotating disc 13 moves to control the extrusion rod 16 and the rubber clamping plate 17 to move towards the steel pipe 4 through the traction rod 18, so that the steel pipe 4 is clamped and fixed by being attached to the steel pipe, the effect of conveniently operating the steel pipe 4 to be inserted into the machining hole 5 is achieved, and the effect of improving the operation efficiency is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (6)

1.一种模块化建筑预应力榫卯节点结构,包括单元模块(1),其特征在于,所述单元模块(1)的棱角处固定连接有榫眼(3),所述相邻榫眼(3)之间设置有榫头(2),所述榫头(2)和榫眼(3)上均设置有机械加工孔(5),所述单元模块(1)的外侧设置有钢管(4),所述钢管(4)贯穿机械加工孔(5),所述单元模块(1)的外侧设置有钢丝(6)。1. A modular building prestressed tenon and mortise joint structure, comprising a unit module (1), characterized in that a mortise (3) is fixedly connected at the edge and corner of the unit module (1), and the adjacent mortise (3) A tenon (2) is arranged between the tenon (2) and the tenon (3), and a machined hole (5) is arranged on both the tenon (2) and the mortise (3), and a steel pipe (4) is arranged on the outer side of the unit module (1). The steel pipe (4) penetrates through the machining hole (5), and a steel wire (6) is arranged on the outer side of the unit module (1). 2.根据权利要求1所述的一种模块化建筑预应力榫卯节点结构,其特征在于,所述钢管(4)的外表面设置有两个套管(7),两个所述套管(7)之间通过连接杆固定连接,两个所述套管(7)的正面固定连接有同一个安装板(8),所述安装板(8)的正面固定连接有施力把手(9)。2. The prestressed tenon-mortise joint structure of a modular building according to claim 1, wherein the outer surface of the steel pipe (4) is provided with two sleeves (7), and the two sleeves are (7) are fixedly connected by connecting rods, the front surfaces of the two sleeves (7) are fixedly connected with the same mounting plate (8), and the front surfaces of the mounting plates (8) are fixedly connected with a force applying handle (9). ). 3.根据权利要求2所述的一种模块化建筑预应力榫卯节点结构,其特征在于,两个所述套管(7)相互远离的一侧均固定连接有导向环(10),两个所述套管(7)相互远离的一侧均螺纹连接有位于导向环(10)内侧的控制螺杆(11),两个所述控制螺杆(11)相互远离的一端均固定连接有控制旋钮(12),所述控制螺杆(11)远离控制旋钮(12)的一端贯穿套管(7)固定连接有转动盘(13),所述转动盘(13)的外表面上开设有环形槽(14),两个所述套管(7)相互远离一侧的内壁上固定连接有位于控制螺杆(11)上方的安装滑轨(15),所述安装滑轨(15)的内表面滑动连接有挤压杆(16),所述挤压杆(16)远离控制旋钮(12)的一端固定连接有橡胶夹持板(17),所述挤压杆(16)的正面和背面均通过牵引杆(18)滑动连接在环形槽(14)的内表面上。3. The prestressed mortise-and-mortise joint structure of a modular building according to claim 2, wherein a guide ring (10) is fixedly connected to one side of the two sleeves (7) away from each other, and the two A control screw (11) located on the inner side of the guide ring (10) is threadedly connected to one side of each of the sleeves (7) away from each other, and a control knob is fixedly connected to one end of the two control screws (11) away from each other (12), the end of the control screw (11) away from the control knob (12) is fixedly connected with a rotating disk (13) through the sleeve (7), and an annular groove (13) is formed on the outer surface of the rotating disk (13). 14), a mounting slide rail (15) located above the control screw (11) is fixedly connected to the inner wall of the two sleeves (7) on one side away from each other, and the inner surface of the mounting slide rail (15) is slidably connected There is a squeezing rod (16), the end of the squeezing rod (16) away from the control knob (12) is fixedly connected with a rubber clamping plate (17), the front and the back of the squeezing rod (16) are pulled by traction The rod (18) is slidably attached to the inner surface of the annular groove (14). 4.根据权利要求3所述的一种模块化建筑预应力榫卯节点结构,其特征在于,所述控制螺杆(11)的长度不小于八厘米,所述控制螺杆(11)外表面的螺纹长度不小于六厘米。4. The prestressed tenon-mortise joint structure of a modular building according to claim 3, wherein the length of the control screw (11) is not less than eight centimeters, and the thread on the outer surface of the control screw (11) is not less than eight centimeters. Not less than six centimeters in length. 5.根据权利要求2所述的一种模块化建筑预应力榫卯节点结构,其特征在于,所述施力把手(9)上表面的形状为弧形,所述施力把手(9)上表面的弧度在一百五十度至一百八十度之间。5. The prestressed tenon-mortise joint structure of a modular building according to claim 2, wherein the upper surface of the force applying handle (9) has an arc shape, and the force applying handle (9) has an arc shape. The arc of the surface is between one hundred and fifty degrees to one hundred and eighty degrees. 6.一种模块化建筑预应力榫卯节点结构及施工方法,其特征在于,包括以下步骤:6. a modular building prestressed tenon joint structure and construction method, is characterized in that, comprises the following steps: S1、机械制造榫头(2)和榫眼(3),并根据合适尺寸大小对榫头(2)和榫眼(3)表面开设机械加工孔(5);S1, mechanically manufacture the tenon (2) and the tenon (3), and open a machined hole (5) on the surface of the tenon (2) and the tenon (3) according to the appropriate size; S2、将榫眼(3)通过螺栓或焊接方式与单元模块(1)端角固定,每个单元模块(1)设置榫眼(3)八个;S2. Fix the mortise (3) with the end corner of the unit module (1) by means of bolts or welding, and each unit module (1) is provided with eight mortise (3); S3、将钢管(4)通过机械加工孔(5)穿入钢丝(6),竖直、前后和左右三个方向均穿入钢丝(6);S3. The steel pipe (4) is inserted into the steel wire (6) through the machined hole (5), and the steel wire (6) is inserted into the steel wire (6) in the vertical, front and rear and left and right directions; S4、通过施加外力将钢丝(6)拉紧后,向钢管(4)中灌入混凝土;S4. After the steel wire (6) is tightened by applying an external force, concrete is poured into the steel pipe (4); S5、灌入混凝土后,松开钢丝(6),其预紧的拉力释放即通过节点将单元模块(1)紧密连接在一起。S5. After pouring in the concrete, loosen the steel wire (6), and the release of its pre-tightening tension means that the unit modules (1) are tightly connected together through the nodes.
CN201911281059.1A 2019-12-13 2019-12-13 A modular building prestressed mortise and tenon joint structure and construction method Active CN111005455B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501993A (en) * 2020-05-07 2020-08-07 沈荣芳 Splicing type building steel frame assembly structure and assembly method thereof
CN115043092A (en) * 2022-07-22 2022-09-13 天元建设集团有限公司 Mortise and tenon type steel pipe bundle capable of being positioned
US20240368878A1 (en) * 2021-07-23 2024-11-07 Cnqc Intelligent Construction (Hk) Limited Connection systems and methods for cubic structures

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB592606A (en) * 1945-05-11 1947-09-23 Rheinallt Morgan Jones Improvements relating to constructional blocks
CN2633998Y (en) * 2003-06-27 2004-08-18 张风林 Combined integrated block
AU2005287747A1 (en) * 2004-09-21 2006-03-30 Beijing Vit Mobile Technologies Co., Ltd Sliding sheet type of variable-teeth gear
EP2971400A1 (en) * 2013-03-13 2016-01-20 SFS Intec Holding AG Nozzle and fastening element for fastening a material layer
CN109610870A (en) * 2018-12-20 2019-04-12 董立志 A kind of reinforcing support construction for architectural engineering
CN209145000U (en) * 2018-09-20 2019-07-23 中冶天工(天津)装备制造有限公司 A kind of assembling type steel structure modularization campsite building construction system
CN211850023U (en) * 2019-12-13 2020-11-03 中冶天工集团有限公司 A modular building prestressed tenon joint structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB592606A (en) * 1945-05-11 1947-09-23 Rheinallt Morgan Jones Improvements relating to constructional blocks
CN2633998Y (en) * 2003-06-27 2004-08-18 张风林 Combined integrated block
AU2005287747A1 (en) * 2004-09-21 2006-03-30 Beijing Vit Mobile Technologies Co., Ltd Sliding sheet type of variable-teeth gear
EP2971400A1 (en) * 2013-03-13 2016-01-20 SFS Intec Holding AG Nozzle and fastening element for fastening a material layer
CN209145000U (en) * 2018-09-20 2019-07-23 中冶天工(天津)装备制造有限公司 A kind of assembling type steel structure modularization campsite building construction system
CN109610870A (en) * 2018-12-20 2019-04-12 董立志 A kind of reinforcing support construction for architectural engineering
CN211850023U (en) * 2019-12-13 2020-11-03 中冶天工集团有限公司 A modular building prestressed tenon joint structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501993A (en) * 2020-05-07 2020-08-07 沈荣芳 Splicing type building steel frame assembly structure and assembly method thereof
CN111501993B (en) * 2020-05-07 2022-01-28 山东永固钢结构集团有限公司 Splicing type building steel frame assembly structure and assembly method thereof
US20240368878A1 (en) * 2021-07-23 2024-11-07 Cnqc Intelligent Construction (Hk) Limited Connection systems and methods for cubic structures
CN115043092A (en) * 2022-07-22 2022-09-13 天元建设集团有限公司 Mortise and tenon type steel pipe bundle capable of being positioned

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