A kind of timber truss
Technical field
This technology is related to timber structure design field there is provided a kind of light-duty wooden component, is a kind of wooden purlin specifically
Frame;The timber truss includes being superimposed the mono- Pin timber truss of at least two Pin connected firmly together, makes the material of single Pin timber truss main body
Specification only has two kinds.
Background technology
The commercial residential buildings room after the eighties in last century is built in, its roof uses the make on flat roof mostly.Due to
It is of the remote past, current generally existing attic " cold in winter and hot in summer ", rain leakage and the phenomenon such as roofing is dirty and messy.This is not only to resident's
Daily life is made troubles, while also have impact on the integrated environment in city, the construction of the ecocity advocated with country not phase
Symbol.
And can be with this problem of adequate solution by " flat-changed-into-sloping " improvement project.Timber truss is due to its high-strength light, anti-
Shock stability is good, flexible design, easy construction the features such as widely used in " flat-changed-into-sloping " improvement project.In addition in the modern times
It is to use Light wood truss structural system that wooden floor and roof system are also mostly.So timber truss has very in China's building field
Wide application prospect.
With the development of wooden roof and superstructure, building designers are while the convenience of roof system and superstructure is pursued
Also the aesthetic feeling of its spatial impression and profile is increasingly paid close attention to.So some large-span structures and cantilevered structure also just arise at the historic moment.At this
Often there are some special truss in a little complicated superstructures and roof system, these truss are in addition to by top evenly load
The load of truss transmission is also overlapped with it by other, so being difficult to be competent at using conventional Light wood truss.
In the prior art, referring to shown in Fig. 5, Fig. 6, the material specification that making timber truss is used is more, increases technique
Difficulty.In diagram, in single Pin timber truss, the pole stock that winds up, the lower edge pole stock for making lower boom 02, the making abdomen for making top boom 01
The specification of the web member material of bar 03 is all different, further, since the need for materials, waste of raw materials phenomenon is more serious.
The content of the invention
The purpose of this technology is to provide a kind of timber truss;The timber truss includes being superimposed the mono- Pin of at least two Pin connected firmly together
Timber truss, the material specification for making single Pin timber truss main body only has two kinds.
The purpose of this technology is to be achieved through the following technical solutions:
A kind of timber truss, including superposition connect firmly the mono- Pin timber truss of at least two Pin together, and single Pin timber truss includes web member
With the chord member for being arranged on web member two ends, web member and chord member are connected firmly by tooth plate, and the intersection point of web member and chord member is chord joint;Web member is made
Material be web member material only with monolithic dimension stock, the material that chord member is made is the chord member that is made up of artificial board and dimension stock
Material;Two panels dimension stock of the chord member material by a piece of artificial board and positioned at artificial board both sides be superimposed in a thickness direction connect firmly and
Into, during superposition, artificial board and the parallel longitudinal of dimension stock, surface laminating;The width of web member material is equal with the thickness of chord member material;
In chord member material in the surface of dimension stock and web member material dimension stock perpendicular.
The beneficial effect of this technology is:
During making:
1st, web member material chord pole stock is made.
The dimension stock and artificial board of span are designed not less than timber truss from length.Under web member timber-used dimension stock is direct
Material.Chord member material is made by two block specifications materials and one piece of artificial board:Artificial board and two block specifications materials are made longitudinally to be consistent,
The two sides of artificial board sticks dimension stock and can be made into chord member material.
2nd, list Pin timber truss is assembled.
Make the perpendicular of dimension stock in the surface of dimension stock and web member material in chord member material, will using tooth plate at chord joint
Chord member and web member are connected firmly.
3rd, timber truss is assembled.
The mono- Pin timber truss superpositions of at least two Pin are connected firmly together, the surface of chord member is brought into close contact completely and can be made into wood
Truss.
In use, the installation specification according to timber truss, the support one end at the two ends of timber truss is fixed hinged support, the other end
Supported for sliding hinge.
Above-mentioned timber truss, including superposition connect firmly the mono- Pin timber truss of at least two Pin together, make single Pin timber truss master
The material specification of body only has two kinds.
As the improvement to this technology, connected in chord member material between artificial board and dimension stock using cementing rear nail.Nail
Position is hammered into at chord joint.
Above-mentioned improvement, using cementing this connected mode, makes to make between sheet material and dimension stock and fully fits, connects firmly, it is ensured that
The intensity of chord member material;Nail connection is aided at the chord joint of chord member again so that single Pin timber truss main body intensity is higher.
As the further improvement to this technology, the thickness of dimension stock is 38 mm, and width is 89mm;The thickness of artificial board
Spend for 12mm, width is 89mm.
It is this to improve, from the main flow dimension stock of in the market(Thickness is 38 mm, and width is 89mm), select what is commonly used again
The artificial board blanking that thickness is 12mm is the artifical board material that width is 89mm, and according to above-mentioned, in chord member material artificial board and
Using nail connection after cementing between dimension stock, using it is cementing need to artificial board two top sizings, gel coating has certain thick
Degree, therefore can be 89mm by the thickness of two block specifications materials and one piece of artificial board cementing chord member material in a thickness direction,
Can be equal with the width of dimension stock, it is easy to use.
The pin-and-hole with the perpendicular of the dimension stock of chord member is offered on chord member, pin is arranged in pin-and-hole;Pin-and-hole position
In the midpoint of two adjacent chord joints.
The connected mode, when making single Pin timber truss being assembled into timber truss, it is easy to implement.
Brief description of the drawings
The structural representation of list Pin timber truss in a kind of timber truss of Fig. 1;
The front view of list Pin timber truss in a kind of timber truss of Fig. 2;
The top view of list Pin timber truss in a kind of timber truss of Fig. 3;
The side view of list Pin timber truss in a kind of timber truss of Fig. 4;
One of Fig. 5 prior art timber truss structural representation;
Two structural representations of Fig. 6 prior art timber truss.
Embodiment
Below in conjunction with the accompanying drawings, this technology is described further:
The mono- Pin of at least two Pin together are connected firmly referring to a kind of timber truss shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, including superposition
Timber truss 1.
Single Pin timber truss 1 includes web member 3 and is arranged on the chord member 2 at the two ends of web member 3, and web member 3 and chord member 2 are solid by tooth plate
The intersection point of connection, web member 3 and chord member 2 is chord joint, and the material that web member 3 is made is the web member material only with monolithic dimension stock 201, is made
The material of chord member 2 is the chord member material being made up of artificial board 202 and dimension stock 201.
Dimension stock 201, the cross section of artificial board 202 are rectangle, and the face where rectangular long side is respectively specification
The surface of material 201 and the surface of artificial board 202, the length on the long side of rectangle is respectively the width and wood-based plate of dimension stock 201
The width of material 202, the face where rectangular short side is respectively the side and the side of artificial board 202 of dimension stock 201, rectangular
The length of shape short side is respectively the thickness of dimension stock 201 and the thickness of artificial board 202;Chord member material is by a piece of artificial board 202
It is superimposed to connect firmly in a thickness direction with the two panels dimension stock 201 positioned at the both sides of artificial board 202 and forms, during superposition, artificial board
201 and parallel longitudinal, the surface laminating of dimension stock 201;The cross section of chord member material be rectangle, rectangle parallel to artificial board
202 surfaces while the length of side be chord member material width, parallel to the side of artificial board 202 while the length of side be chord member material thickness
Degree;The width of web member material is equal with the thickness of chord member material;In chord member material in the surface of dimension stock and web member material dimension stock surface
It is perpendicular.
Chord member timber-used is in the top boom and lower boom that make list Pin timber truss.Artificial board 202 and dimension stock in chord member material
Using cementing rear nail connection between 201.Using it is cementing need to artificial board 202 two top sizings, gel coating has certain thick
Degree.Nail(Not shown in figure)Hammer into position at chord joint.
From the main flow dimension stock of in the market(Thickness is 38 mm, and width is 89mm), it is again 12mm from conventional thickness
Artificial board blanking be artifical board material that width is 89mm.By two block specifications materials and one piece of artificial board in a thickness direction
The thickness of cementing chord member material can be 89mm, can be equal with the width of dimension stock.
Artificial board is generally glued board, OSB plates, and OSB plates are selected in this case.
Obviously, the specification of web member material and the specification of dimension stock are identical, and web member uses dimension stock blanking, and upper and lower chord member is used
The direct blanking of chord member material.
During making:
1st, web member material chord pole stock is made.
The dimension stock 201 and artificial board 202 of span are designed not less than timber truss from length.Web member timber-used dimension stock is straight
Connect blanking.Chord member material is made by two block specifications materials 201 and one piece of artificial board 202:Make the block specifications material of artificial board 202 and two
201 longitudinal direction be consistent, be glued on the two sides of artificial board 202 and sticks dimension stock 201, aid in nail connect can be made into string
Pole stock, according to design size, makes web member and chord member.That follows closely hammers into position at the chord joint of single Pin timber truss 1.Pin 04 is made,
The material that pin 04 is made can select timber.
2nd, list Pin timber truss is assembled.
Make the perpendicular of dimension stock 201 in the surface of dimension stock 201 and web member material in chord member material, used at chord joint
Tooth plate connects firmly chord member and web member.The table with the dimension stock 201 of chord member 2 is opened up at the midpoint of adjacent two chord joint of single Pin timber truss 1
The perpendicular pin-and-hole 4 in face.
Method chord member and web member connected firmly using tooth plate is prior art, not shown in figure.
3rd, timber truss is assembled.
The mono- Pin timber truss 1 of at least two Pin is superimposed, using pin 04, connected firmly single Pin timber truss 1 together by pin-and-hole 4,
The surface of chord member is brought into close contact completely and can be made into timber truss.Using pin 04, single Pin timber truss 1 is connected firmly by pin-and-hole 4
The embodiment of timber truss is made together reference can be made to shown in Fig. 5 and Fig. 6.
In use, the installation specification according to timber truss, the support one end at the two ends of timber truss lower boom is fixed hinged support,
The other end supports for sliding hinge.
Above-described embodiment considers that timber truss is parallel chord truss for narration is succinct.In fact, common in existing market
The artificial board that 38 × 89mm dimension stock, thickness is 12mm is the chord member material and web member material that raw material are made, and is suitable for including
All existing Light wood truss structure types such as parallel chord truss, column, funk formula and Hao Weishi.
The beneficial effect of this technology is:
Above-mentioned timber truss, including superposition connect firmly the mono- Pin timber truss of at least two Pin together, make single Pin timber truss master
The material specification of body only has two kinds, and technique is simple, easy to make, improves the utilization rate of raw material.