CN206888352U - A kind of controllable prestressing force laminated wood string continuous beam - Google Patents
A kind of controllable prestressing force laminated wood string continuous beam Download PDFInfo
- Publication number
- CN206888352U CN206888352U CN201720753530.2U CN201720753530U CN206888352U CN 206888352 U CN206888352 U CN 206888352U CN 201720753530 U CN201720753530 U CN 201720753530U CN 206888352 U CN206888352 U CN 206888352U
- Authority
- CN
- China
- Prior art keywords
- groups
- wooden frame
- anchorage
- bearing
- presstressed reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of controllable prestressing force laminated wood string continuous beam, including two glued wooden frames；Two glued wooden frame yi word pattern arrangements, both approach ends are arranged on inverted T-shaped connector, and for inverted T-shaped connector by being fixedly connected to connecting bolt with back cover plate, back cover plate is arranged on two groups of gluing wooden frame junctions upper end；The remote end of two groups of gluing wooden frames is each provided with one group of end anchorage, and the one end of every group of end anchorage with two groups of presstressed reinforcing steels is fixedly connected, and the other end of two groups of presstressed reinforcing steels passes sequentially through stubborn device of screw thread and turns to pressure bearing wheels to be fixedly connected with junction anchorage；Junction anchorage installation is on inverted T-shaped connector；Simply supported beam is extended to continuous beam by the utility model, improve the stress of beam, the Bending moment distribution for making beam evenly, can make full use of the compression strength of glued wooden frame and the tensile strength of presstressed reinforcing steel, so as to have the function that to increase span, Reducing distortion, save material.
Description
Technical field
It the utility model is related to beam string technical field, more particularly to a kind of controllable prestressing force laminated wood string is continuous
Beam.
Background technology
Wood material is limited by raw material size and processing technology, and length is typically up to the requirement less than continuous beam, in addition, wooden structure
The ability that part banjo fixing butt jointing transmits moment of flexure is relatively low, causes node coupling stiffness insufficient, therefore, in general wooden frame is in freely-supported shape mostly
Formula, brittle break occurs, the strength of materials can not be fully utilized, and deform larger.
Under Uniform Load, common laminated wood simply supported beam reaches moment of flexure maximum in spaning middle section, from span centre to bearing,
Moment of flexure is gradually reduced caused by external load, and therefore, in addition to spaning middle section, the strength of materials in other sections can not be by abundant profit
With.Laminated wood simply supported beam is general first to there is crack in tight side defective locations, finally because of the tensile strength deficiency of material, occurs crisp
Property destroy, now, the compression strength of material not yet gives full play to.
Compared with continuous beam, the deformation of simply supported beam is much greater, and the creep of wood material, can further increase the change of beam
Shape, influence to use；In Practical Project, by Deformation control, the strength of materials fails to obtain fully the sectional dimension of many glued wooden frames
Utilize.
The content of the invention
The utility model overcomes above-mentioned the deficiencies in the prior art, there is provided a kind of controllable prestressing force laminated wood string connects
Continuous beam；The utility model improves the stress of beam, makes the Bending moment distribution of beam more equal by the way that simply supported beam is extended into continuous beam
It is even, the compression strength of glued wooden frame and the tensile strength of presstressed reinforcing steel can be made full use of, is become so as to reach increase span, reduce
Shape, the effect for saving material.
The technical solution of the utility model：
A kind of controllable prestressing force laminated wood string continuous beam, including the connection of two glued wooden frames, back cover plate, inverted T-shaped
Part, turn to stubborn device of pressure bearing wheels, screw thread；Two glued wooden frame yi word pattern arrangements, both approach ends are arranged on the T
On shape connector, by being fixedly connected to connecting bolt with the back cover plate, the back cover plate is set the inverted T-shaped connector
In glued wooden frame junction upper end described in two groups；The remote end of glued wooden frame described in two groups is each provided with one group of end anchorage, often
The one end of group end anchorage with two groups of presstressed reinforcing steels is fixedly connected, and the other end of presstressed reinforcing steel passes sequentially through screw thread described in two groups
Twist a device and turn to pressure bearing wheels and be fixedly connected with junction anchorage；The junction anchorage installation is in the shape of the falling T connector
On, the screw thread twists the lower end that a device is arranged on the glued wooden frame, and the steering pressure bearing wheels are arranged on the glued wooden frame
Upper end.
Further, the inverted T-shaped connector includes mounting base, installation riser, beam side stiffener；The installation riser
It is vertical with the mounting base to be fixedly connected, and the installation riser is arranged on the midline of the mounting base, the installation
Four groups of beam side stiffeners are additionally provided between riser and the mounting base, beam side stiffener described in every two groups respectively with the peace
Fill riser and the mounting base forms one group of gluing wooden frame groove, the approach end of two glued wooden frames is arranged on the gluing
In wooden frame groove, mounting base to connecting bolt with the back cover plate by being fixedly connected.
Further, two groups of presstressed reinforcing steel grooves one and the presstressed reinforcing steel are machined with respectively at left and right sides of the installation riser
Groove one is symmetrical.
Further, the peace turns riser rear and front end and is respectively arranged with junction anchorage described in two groups, is arranged on installation
Two groups of junction anchorages of riser front end by presstressed reinforcing steel and are arranged on the glued wooden frame for installing riser rear end respectively
The end anchorage of end is fixedly connected；Two groups of junction anchorages of installation riser rear end are arranged on respectively by presstressed reinforcing steel with setting
The end anchorage in the end of the glued wooden frame of the installation riser front end is put to be fixedly connected.
Further, the screw thread, which twists a device, includes billet, regulation bearing, adjusting screw rod, steering block；The steel pad
Plate is fixedly mounted on the glued wooden frame lower end, and bearing groove is machined with the billet, is provided with the bearing groove described
Bearing is adjusted, the regulation bearing is connected with the adjusting screw rod, and the adjusting screw rod is also connected with the steering block, described turn
One group of screwed hole corresponding with the adjusting screw rod is machined with to block, two groups of positional symmetries are also machined with the steering block
Presstressed reinforcing steel groove；Screw rod end rotary screw is twisted by using spanner, makes screw rod drive steering block to move down, so as to prestressing force
Muscle carries out tensioning, and the distance moved by steering block can control the size for applying stress to presstressed reinforcing steel, to reach in advance should
Power muscle applies the purpose of stress.
Further, the steering pressure bearing wheels include bearing bottom plate, pressure-bearing riser；The bearing bottom plate is fixedly mounted on institute
Glued wooden frame upper end is stated, the pressure-bearing riser is provided with the bearing bottom plate center, two groups are machined with the pressure-bearing riser
Turn to presstressed reinforcing steel groove two.
Further, one group of beam-ends backing plate, the beam-ends are additionally provided between the glued wooden frame and the end anchorage
Two groups of presstressed reinforcing steel grooves three are machined with backing plate.
Further, it is machined with nut groove on the mounting base.
The utility model has the advantages that relative to prior art：
The utility model is by first, being placed in inverted T-shaped connector by the glued wooden frame of single span and beam side stiffener being formed
Glued wooden frame groove in, glued wooden frame back places back cover plate, by level to connecting bolt by laminated wood and end coupling
It is linked to be entirety, forms continuous beam；By turn to pressure bearing wheels control presstressed reinforcing steel it is linear, formed broken line, can according to external load form,
Broken line shape is adjusted, makes it better against external load；
The utility model is connected by junction anchorage with the installation riser of inverted T-shaped connector, by prestressing force, by both sides
Glued wooden frame be fastened in attachment means；
For the utility model end anchorage by being connected with beam-ends billet by presstressed reinforcing steel, presstressed reinforcing steel does not produce bearing
Moment of flexure；
The utility model applies prestressing force to presstressed reinforcing steel by the screw rod and steering block of transverse stretching device, and realizes
Regulate and control at any time to prestressed before loading and during use；
The utility model is in the stress of continuous beam, back cover plate and presstressed reinforcing steel tension, beam bottom inverted T-shaped connector
Bottom plate is pressurized with glued wooden frame, to undertake hogging moment；In girder span, by the presstressed reinforcing steel tension at beam bottom, glued wooden frame is pressurized
To undertake sagging moment；
The utility model unites the connection between the anchoring of presstressed reinforcing steel and each component, can adjust presstressed reinforcing steel
Bending moment diagram of the line style with continuous beam under outer load action it is close, so as to form the more rational steel and wood composite of stress by curved structure
Part；By carrying out live splicing to connecting bolt, stress is reliable, easy for construction, it is easy to forms prestressing force gluing wooden frame superstructure knot
Structure system, it is easy to promote, is a kind of new situations of assembled timber buildings.
Two glued wooden frames can be linked to be a continuous beam by the utility model end connecting device, compared with simply supported beam,
Stress performance is more preferable；With reference to controllable prestressing technique, by the screw rod and steering block of bottom, prestressing force can be applied, and in fact
Regulate and control at any time to prestressed before loading and during use now；It is combined with assembled, and then realizes that overall assembled is pre-
Stress laminated wood beam string Structural Floor System, is easy to promote.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of invention.
Brief description of the drawings
Fig. 1 is two groups of gluing wooden frames junction structural representation of the present utility model；
Fig. 2 is the top view of two groups of gluing wooden frames junction of the present utility model；
Fig. 3 is the upward view of two groups of gluing wooden frames junction of the present utility model；
Fig. 4 is overall structure diagram of the present utility model；
Fig. 5 is the structural representation that screw thread twists a device in the utility model；
Fig. 6 is the structural representation of steering block in the utility model；
Fig. 7 is the upward view of steering block in the utility model；
Fig. 8 is the structural representation of inverted T-shaped connector in the utility model；
Fig. 9 is the side view of inverted T-shaped connector in the utility model；
Figure 10 is the top view of inverted T-shaped connector in the utility model；
Figure 11 is the upward view of inverted T-shaped connector in the utility model；
Figure 12 is the structural representation that pressure bearing wheels are turned in the utility model；
Figure 13 is the side view that pressure bearing wheels are turned in the utility model；
Figure 14 is the top view that pressure bearing wheels are turned in the utility model.
In figure：1- gluing wooden frames；2- back cover plates；3- inverted T-shaped connectors；4- turns to pressure bearing wheels；5- screw threads twist a device；
6- is to connecting bolt；7- end anchorages；9- screw threads twist a device；10- presstressed reinforcing steels；11- junctions anchorage；12- beam-ends backing plates
31- mounting bases；32- installs riser；33- beams side stiffener；34- gluing wooden frame grooves；35- presstressed reinforcing steels groove one；36- nuts
Groove；41- bearing bottom plates；42- pressure-bearing risers；43- presstressed reinforcing steels groove three；91- billets；92- adjusts bearing；93- adjusting screw rods；
94- steering blocks；95- presstressed reinforcing steels groove two.
Embodiment
The utility model is described in detail below with reference to accompanying drawing.
With reference to shown in Fig. 1-Figure 14, a kind of controllable prestressing force laminated wood disclosed in the present embodiment string continuous beam, including
Two glued wooden frames 1, back cover plate 2, inverted T-shaped connector 3, steering pressure bearing wheels 4, screw thread twist a device 9；Two laminated woods
The yi word pattern of beam 1 is arranged, and both approach ends are arranged on the inverted T-shaped connector 3, and the inverted T-shaped connector 3 is by connecting bolt
6 are fixedly connected with the back cover plate 2, and the back cover plate 2 is arranged on the glued junction upper end of wooden frame 1 described in two groups；Two groups
The remote end of the glued wooden frame 1 is each provided with one group of end anchorage 7, every group of end anchorage 7 with two groups of presstressed reinforcing steels 10
One end is fixedly connected, and the other end of presstressed reinforcing steel 10 described in two groups passes sequentially through screw thread and twists a device 9 and turn to pressure bearing wheels 4 with connecting
The place's of connecing anchorage 11 is fixedly connected；The junction anchorage (11) is arranged on the inverted T-shaped connector 3, and the screw thread twists a dress
Put 9 lower ends for being arranged on the glued wooden frame 1, the upper end for turning to pressure bearing wheels 4 and being arranged on the glued wooden frame 1；Due to right
Connecting bolt is located at the outside of glued wooden frame, it is not necessary to perforate is carried out to laminated wood, from the intensity that ensure that section to the full extent；
On the other hand, together with the longitudinal pressure applied with presstressed reinforcing steel, ensured with applying transverse pressure to connecting bolt by back cover plate
The globality of continuous beam and the rigidity of node.
Specifically, the inverted T-shaped connector 3 includes mounting base 31, installation riser 32, beam side stiffener 33；The peace
Riser 32 is vertical with the mounting base 31 is fixedly connected for dress, and the riser 32 of installing is arranged on the mounting base 31
Midline, four groups of beam side stiffeners 33, beam described in every two groups are additionally provided between the installation riser 32 and the mounting base 1
Side stiffener 33 forms one group of gluing wooden frame groove 34, two glue with the installation riser 32 and the mounting base 31 respectively
The approach end for closing wooden frame 1 is arranged in the glued wooden frame groove 34, and mounting base 31 passes through to connecting bolt 6 and the back lid
Plate 2 is fixedly connected.
Specifically, the left and right sides of installation riser 32 is machined with two groups of presstressed reinforcing steel grooves 1 and the prestressing force respectively
Muscle groove 1 is symmetrical.
Specifically, installation riser 32 rear and front end is respectively arranged with junction anchorage 11 described in two groups, peace is arranged on
Two groups of junction anchorages 11 of dress riser 32 front end by presstressed reinforcing steel 10 and are arranged on installation riser 32 rear end respectively
The end anchorage 7 of the end of glued wooden frame 1 is fixedly connected；Two groups of junction anchorages 11 for being arranged on installation riser 32 rear end divide
Do not fixed and connected by the end anchorage of presstressed reinforcing steel 10 and the end for the glued wooden frame 1 for being arranged on installation riser 32 front end
Connect.
Specifically, the screw thread, which twists a device 9, includes billet 91, regulation bearing 92, adjusting screw rod 93, steering block 94；
The billet 91 is fixedly mounted on the lower end of glued wooden frame 1, and bearing groove, the bearing groove are machined with the billet 91
Inside be provided with it is described regulation bearing 92, it is described regulation bearing 92 be connected with the adjusting screw rod 93, the adjusting screw rod 93 also with
The steering block 94 connects, and is machined with one group and the 93 corresponding screwed hole of adjusting screw rod on the steering block 94, described turn
The presstressed reinforcing steel groove 2 95 of two groups of positional symmetries is also machined with to block 94, by rotating adjusting screw rod, adjusting screw rod is being adjusted
Rotated in bearing, drive the up and down motion of steering block, the motion by adjusting steering block finally adjusts prestressed application direction.
Specifically, the steering pressure bearing wheels 4 include bearing bottom plate 41, pressure-bearing riser 42；The bearing bottom plate 41 fixes peace
Mounted in the glued upper end of wooden frame 1, the pressure-bearing riser 42, the pressure-bearing riser 42 are provided with the center of bearing bottom plate 41
On be machined with two groups of presstressed reinforcing steel grooves 3 43.
Specifically, one group of beam-ends backing plate 12, the beam are additionally provided between the glued wooden frame 1 and the end anchorage 7
Two groups of muscle grooves are machined with the backing plate 12 of end.
Specifically, being machined with four groups of nut grooves 36 on the mounting base 31, ensure on mounting base and back cover plate
When being fixedly connected, lower end is always a plane, will not be influenceed the installation of beam because of there is part raised to the reason for connecting bolt and make
With.
Above example is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (8)
1. a kind of controllable prestressing force laminated wood string continuous beam, it is characterised in that including two glued wooden frames (1), back lids
Plate (2), inverted T-shaped connector (3), turn to stubborn device (9) of pressure bearing wheels (4), screw thread；Two glued wooden frame (1) yi word patterns
Arrangement, both approach ends are arranged on the inverted T-shaped connector (3), the inverted T-shaped connector (3) by connecting bolt (6) with
The back cover plate (2) is fixedly connected, and the back cover plate (2) is arranged on glued wooden frame (1) junction upper end described in two groups；Two
The remote end of the group glued wooden frame (1) is each provided with one group of end anchorage (7), and every group of end anchorage (7) in advance should with two groups
One end of power muscle (10) is fixedly connected, the other end of presstressed reinforcing steel (10) described in two groups pass sequentially through screw thread twist device (9) and
Pressure bearing wheels (4) are turned to be fixedly connected with junction anchorage (11)；The junction anchorage (11) is arranged on the inverted T-shaped connector
(3) on, the screw thread twists the lower end that a device (9) is arranged on the glued wooden frame (1), and the steering pressure bearing wheels (4) are arranged on
The upper end of the glued wooden frame (1).
A kind of 2. controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the T
Shape connector (3) includes mounting base (31), installation riser (32), beam side stiffener (33)；The installation riser (32) and institute
Mounting base (31) is stated vertically to be fixedly connected, and the installation riser (32) is arranged on the midline of the mounting base (31),
Four groups of beam side stiffeners (33), beam described in every two groups are additionally provided between the installation riser (32) and the mounting base (31)
Side stiffener (33) forms one group of gluing wooden frame groove (34), institute with the installation riser (32) and the mounting base (31) respectively
The approach end for stating two glued wooden frames (1) is arranged in the glued wooden frame groove (34), and mounting base (31) is by connecting bolt
(6) it is fixedly connected with the back cover plate (2).
A kind of 3. controllable prestressing force laminated wood according to claim 2 string continuous beam, it is characterised in that the installation
Two groups of presstressed reinforcing steel grooves one (35) are machined with left and right sides of riser (32) respectively, and the presstressed reinforcing steel groove one (35) is symmetrically divided
Cloth.
A kind of 4. controllable prestressing force laminated wood according to claim 2 string continuous beam, it is characterised in that the installation
Riser (32) rear and front end is respectively arranged with junction anchorage (11) described in two groups, is arranged on two groups of installation riser (32) front end
Junction anchorage (11) by presstressed reinforcing steel (10) and is arranged on the glued wooden frame (1) for installing riser (32) rear end respectively
The end anchorage (7) of end is fixedly connected；Two groups of junction anchorages (11) for being arranged on installation riser (32) rear end pass through respectively
The end anchorage of the end of glued wooden frame (1) of the presstressed reinforcing steel (10) with being arranged on described installation riser (32) front end, which is fixed, to be connected
Connect.
A kind of 5. controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the screw thread
Twisting a device (9) includes billet (91), regulation bearing (92), adjusting screw rod (93), steering block (94)；The billet (91)
Glued wooden frame (1) lower end is fixedly mounted on, bearing groove is machined with the billet (91), is provided with the bearing groove
It is described regulation bearing (92), it is described regulation bearing (92) be connected with the adjusting screw rod (93), the adjusting screw rod (93) also with
The steering block (94) is connected, and one group of screwed hole corresponding with the adjusting screw rod (93) is machined with the steering block (94),
The presstressed reinforcing steel groove two (95) of two groups of positional symmetries is also machined with the steering block (94).
A kind of 6. controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the steering
Pressure bearing wheels (4) include bearing bottom plate (41), pressure-bearing riser (42)；The bearing bottom plate (41) is fixedly mounted on the glued wooden frame
(1) upper end, the pressure-bearing riser (42) is provided with bearing bottom plate (41) center, is machined with the pressure-bearing riser (42)
Two groups of presstressed reinforcing steel grooves three (43).
A kind of 7. controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the gluing
One group of beam-ends backing plate (12) is additionally provided between wooden frame (1) and the end anchorage (7), is machined with the beam-ends backing plate (12)
Two groups of muscle grooves.
A kind of 8. controllable prestressing force laminated wood according to claim 2 string continuous beam, it is characterised in that the installation
Nut groove (36) is machined with bottom plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753530.2U CN206888352U (en) | 2017-06-26 | 2017-06-26 | A kind of controllable prestressing force laminated wood string continuous beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753530.2U CN206888352U (en) | 2017-06-26 | 2017-06-26 | A kind of controllable prestressing force laminated wood string continuous beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888352U true CN206888352U (en) | 2018-01-16 |
Family
ID=61317294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720753530.2U Active CN206888352U (en) | 2017-06-26 | 2017-06-26 | A kind of controllable prestressing force laminated wood string continuous beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206888352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268891A (en) * | 2017-06-26 | 2017-10-20 | 东北林业大学 | A kind of controllable prestressing force laminated wood string continuous beam |
-
2017
- 2017-06-26 CN CN201720753530.2U patent/CN206888352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268891A (en) * | 2017-06-26 | 2017-10-20 | 东北林业大学 | A kind of controllable prestressing force laminated wood string continuous beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107268891A (en) | A kind of controllable prestressing force laminated wood string continuous beam | |
| CN102561180B (en) | Bamboo bridge deck | |
| CN103963998B (en) | A kind of hexagonal-shaped frame primary load bearing satellite structure | |
| CN103806368B (en) | Tensile string wood arch structure | |
| CN204311761U (en) | A kind of prestressed carbon cloth reinforced concrete column tensioning equipment | |
| US11674323B2 (en) | Device and method for reinforcing round section wood beam by combination of prestressed FRP sheet and high strength steel wire rope | |
| CN103614965A (en) | Bamboo wood and concrete combined bridge deck slab | |
| CN206888352U (en) | A kind of controllable prestressing force laminated wood string continuous beam | |
| CN106958315A (en) | A kind of double limb controllable prestressing force beam string structures of large span | |
| CN206829491U (en) | A kind of prestress steel clark beam | |
| CN101487346B (en) | Transverse stretching method for prestressed fiber cloth reinforced concrete column | |
| CN203867064U (en) | Prestressed double-splice laminated wood beam | |
| CN206784768U (en) | A kind of supporting construction of building stair | |
| CN207538325U (en) | A kind of wood-aluminium alloy combination truss | |
| CN206458118U (en) | A kind of pre-stress fibre sheet combination assembled tensioning equipment | |
| CN114658257A (en) | Reinforcing device and method for loose mortise and tenon joints of historic building timber structure | |
| CN109441122A (en) | A kind of prestressed bringing device of I-beam | |
| CN206815637U (en) | A kind of controllable prestressing force beam string structure of the double limbs of large span | |
| CN103343621B (en) | Wood bamboo matter post mould assembly structure and assembly method | |
| CN106320735A (en) | Prestress anti-offset reinforcement structure applied to wooden frame and construction method of prestress anti-offset reinforcement structure | |
| CN206448153U (en) | A kind of resistant slide sheet-type support | |
| CN201217848Y (en) | Flexible supporting pad iron connecting structure | |
| CN207934292U (en) | One kind is baroclined bar truss beam string composite structure | |
| CN206458120U (en) | Combination assembling correction formula pre-stress fibre sheet material tensioning equipment | |
| CN205734792U (en) | A kind of rotary wheel of water turbine maintenance framed bent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |