CN206638506U - A kind of novel base for supporting for cantilever member loading - Google Patents
A kind of novel base for supporting for cantilever member loading Download PDFInfo
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- CN206638506U CN206638506U CN201720298953.XU CN201720298953U CN206638506U CN 206638506 U CN206638506 U CN 206638506U CN 201720298953 U CN201720298953 U CN 201720298953U CN 206638506 U CN206638506 U CN 206638506U
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- China
- Prior art keywords
- top plate
- plate
- cantilever member
- polyfluortetraethylene
- connector
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Abstract
The utility model discloses a kind of novel base for supporting for cantilever member loading, including the first top plate, the second top plate, bottom plate；Carriage and connection orienting device are provided between described the first top plate and the second top plate, while rotating device pivot is provided between the second top plate and bottom plate；Carriage includes the first polyfluortetraethylene plate and the second polyfluortetraethylene plate；First polyfluortetraethylene plate and the second polyfluortetraethylene plate are fixed by being arranged on the enclosing column of the first top plate lower edge and the second top plate top edge with the first top plate and the second top plate respectively between the first top plate and the second top plate.The utility model mainly passes through the polyfluortetraethylene plate between top plate, in cantilever member loading process, as cantilever member deforms, between top plate can mutual orientation slide, both the safety of experimental rig had been met, fixed concentrated force position is in turn ensure that, while connector has orientating function during experiment, substantially increases the stability of loading bearing.
Description
Technical field
The utility model belongs to civil construction field, and in particular to a kind of new cantilever member experiment loading bearing.
Background technology
In China, the structure type of civil engineering is increasingly being innovated and developed, and the mechanical property research of component is its section
Learn the basis of development.In the structural test of cantilever member, loading bearing is essential testing equipment, typically loads bearing
It is made up of top board, pivot and lower platen three parts.Cantilever member concentrated force loading bearing is more special, it is necessary to while meet three
Individual function:（1）In cantilever end BENDING PROCESS, bearing top board keep level, to ensure and loading equipemtn effective force；（2）
In loading procedure, lower platen can be deformed along pivot with cantilever member and occurred on bearing, and provide effective concentrated force；（3）In cantilever
In member stress bending deformation process, because bearing and loading device position can change, it is desirable to which bearing itself can possess water
Prosposition moves regulatory function, and has enough frictional force to ensure loading safety.During load test, any one function of bearing
It is unsatisfactory for requiring, can all load test is failed, there will be severe safety problem, causes unpredictable consequence.
At present, support style used in China's experiment loading equipemtn mainly has two kinds, and one kind is traditional fixed-hinged support, in addition
One kind is to slide hinged-support, and both hinged-supports are having the defects of certain during load test, it is impossible to meet cantilever member
Test requirements document.Fixed-hinged support is fixed with loading specimen position, and is deformed itself with cantilever member in loading procedure and can not be slided
Regulation, does not realize sliding function, i.e., as described herein the（3）Item function, it is impossible to meet the requirement of cantilever member load test；Rolling
Dynamic hinged-support is in loading procedure, and when cantilever test piece deformation, upper lower platen relative can pivot, and causes pivot meeting edge to dehisce
Direction is moved, and pivot even flies out when situation is serious, not only test failure, and easily cause serious test incident.
By above-mentioned analysis, existing hinged-support there are problems that in cantilever member loading procedure, and research one kind makes
It is of great significance with convenient, excellent performance cantilever member loading bearing tool.
The content of the invention
The defects of in order to overcome above-mentioned existing stand apparatus and deficiency, the utility model provide one kind and can be widely applied to
Cantilever member experiment loading bearing with oriented sliding guiding function in cantilever member concentrated force load test.
What the purpose of this utility model was realized in：
A kind of hinged base device for cantilever member experiment, including the first top plate 1, the second top plate 2, bottom plate 3；Described
Be provided with carriage and connection orienting device between first top plate 1 and the second top plate 2, at the same the second top plate 2 and bottom plate it
Between be provided with rotating device pivot 4；
Described carriage includes the first polyfluortetraethylene plate 7 and the second polyfluortetraethylene plate 8；Described first poly- four
The polyfluortetraethylene plate 8 of PVF plate 7 and second is between the first top plate 1 and the second top plate 2, respectively by being arranged on the first top
The enclosing column of the lower edge of plate 1 and the top edge of the second top plate 2 is fixed with the first top plate 1 and the second top plate 2；
Described the first polyfluortetraethylene plate 7 and the second polyfluortetraethylene plate 8 is respectively embedded in the lower edge of the first top plate 1
In the top edge enclosing column of edge enclosing column and the second top plate 2；
Described connection orienting device includes the first connector 5 and the second connector 6；The first described connector 5 and
Two connectors 6 realize first by interior wear in the first top plate bottom matrix groove and in embedded second top plate upper female groove
Top plate 1 connects with the guiding of the second top plate 2；
The bottom of the first described top plate 1 and the top of the second top plate 2 are correspondingly arranged on the first top plate bottom matrix groove
With the second top plate upper female groove；The first described top plate bottom matrix groove and the opening of the second top plate upper female groove
Place is less than groove insied width；
Described the first connector 5 and the second connector 6 is the strip for being respectively arranged with top flange, lower flange and web
The connection of I-shaped structure, top flange and web is set and the setting that connects of web and lower flange is 1/4 that radius is 3mm
Arc structure.
Described rotating device pivot 4 is embedded between the second top plate 2 and bottom plate 3；The second described top plate 2 and bottom plate 3
Between plate body on be correspondingly arranged on the pivot fixing groove of semi-circular recesses shape, rotating device pivot 4 is embedded in pivot fixing groove.
Positive beneficial effect：The utility model mainly passes through the polyfluortetraethylene plate between the first top plate 1 and the second top plate 2
7th, 8, in cantilever member loading process, as cantilever member deforms, can mutually it determine between the first top plate 1 and the second top plate 2
To slip, the safety of experimental rig had both been met, in turn ensure that fixed concentrated force position, while connector 5 during testing,
6 have orientating function, substantially increase the stability of loading bearing.
Brief description of the drawings
Fig. 1 is the structural representation in the utility model；
Fig. 2 is the structural profile in the utility model；
Fig. 3 is the section of structure in utility model；
Fig. 4 is the pivot structure schematic diagram in utility model；
Fig. 5 is the concave channels structural representation in utility model；
Fig. 6 is the enclosing column structural representation in utility model；
Fig. 7 is the connecting-piece structure schematic diagram in utility model；
Fig. 8 is the connecting-piece structure schematic diagram in utility model；
It is in figure：First top plate 1, the second top plate 2, bottom plate 3, rotating device pivot 4, the first connector 5, the second connector
6th, the first polyfluortetraethylene plate 7, the second polyfluortetraethylene plate 8.
Embodiment
The present invention is described in further details below in conjunction with the drawings and the specific embodiments.
In cantilever beam load test is carried out, existing loading bearing causes because self reason limits loading range
Experiment loading failure, or even there is safety problem.For applicant by researching and analysing, main cause is that loading bearing itself can not be adjusted
Section, a certain amount of horizontal slip can not occur with member bends bearing, do not reach preferably experiment loading effect.On solving
Problem is stated, applicant updates on the basis of numerous studies, finally determines and meets what cantilever member experiment loading required
Novel base for supporting.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of hinged base device for cantilever member experiment, including the first top plate 1, second
Top plate 2, bottom plate 3；Carriage is provided between described the first top plate 1 and the second top plate 2 and connects orienting device, while the
Rotating device pivot 4 is provided between two top plates 2 and bottom plate；
Described carriage includes the first polyfluortetraethylene plate 7 and the second polyfluortetraethylene plate 8；Described first poly- four
The polyfluortetraethylene plate 8 of PVF plate 7 and second is between the first top plate 1 and the second top plate 2, respectively by being arranged on the first top
The enclosing column of the lower edge of plate 1 and the top edge of the second top plate 2 is fixed with the first top plate 1 and the second top plate 2；
As shown in Fig. 2, Fig. 6, the first described polyfluortetraethylene plate 7 and the second polyfluortetraethylene plate 8 are respectively embedded in
In the top edge enclosing column of the lower edge enclosing column of one top plate 1 and the second top plate 2；
As shown in figure 5, described connection orienting device includes the first connector 5 and the second connector 6；Described first connects
The connector 6 of fitting 5 and second is worn in the first top plate bottom matrix groove and in embedded second top plate upper female groove by interior
Realize that the first top plate 1 and the guiding of the second top plate 2 connect；
The bottom of the first described top plate 1 and the top of the second top plate 2 are correspondingly arranged on the first top plate bottom matrix groove
With the second top plate upper female groove；The first described top plate bottom matrix groove and the opening of the second top plate upper female groove
Place is less than groove insied width；
As shown in Figure 7, Figure 8, the first described connector 5 and the second connector 6 are respectively to be provided with top flange, bottom wing
The connection of the strip I-shaped structure of edge and web, top flange and web is set and the connection of web and lower flange is set
For 1/4 arc structure that radius is 3mm.
As shown in Figure 2, Figure 4 shows, described rotating device pivot 4 is embedded between the second top plate 2 and bottom plate 3；Described
The pivot fixing groove of semi-circular recesses shape is correspondingly arranged on plate body between two top plates 2 and bottom plate 3, rotating device pivot 4 is embedding
Enter in pivot fixing groove；
The main function of rotating device 4 is to provide a concentrated force during loading specimen, and ensure that consolidating for concentrated force position
It is fixed；The effect of first connector 5 and the second connector 6 is the first top plate 1 of connection and the second top plate 2, and ensures polytetrafluoroethyl-ne
Along groove direction oriented sliding occurs for alkene plate；The main function of first polyfluortetraethylene plate 7 and the second polyfluortetraethylene plate 8 is to protect
Card, as cantilever member deforms, can be slided mutually in cantilever member loading process between the first top plate 1 and the second top plate 2.
Cantilever loads susceptor design calculating process
（1）Pivot bearing capacity calculation
Pivot uses Q420 steel, steel strength design load 325N/mm2, bearing diameter 35mm, length 400mm, pivot
Can bear pressure：
（2）Top plate and Floor load-bearing capacity checking computations
Top plate, bottom plate use Q420 steel, steel strength design load 325N/mm2, the contact surface of top plate and pivot grows
400mm, wide 32mm, bears pressure：
Through checking computations, the bearing bearing capacity takes above-mentioned calculating smaller value, is 2275kN.
Application method of the present utility model is that connector is installed in the groove of the first top plate 1 first, then that butter is equal
On the even polyvinyl chloride panel being applied in the second top plate 2, hold up the second top plate 2 and connector is installed into concave channels, then
It is aligned neatly by the second top plate of Level Promoting 2 with the first top plate 1, and groove direction and the direction of loaded members are debugged into level,
Then second top plate 2 is placed on to the surface of bottom plate 3 by pivot, bearing is completed, and bearing is put in into loading position i.e.
It can start to test.
The utility model is mainly poly- by the first polyfluortetraethylene plate 7, second between the first top plate 1 and the second top plate 2
Tetrafluoroethene plate 8, in cantilever member loading process, as cantilever member deforms, energy between the first top plate 1 and the second top plate 2
Enough mutual orientations slide, and have both met the safety of experimental rig, in turn ensure that fixed concentrated force position, while during experiment
First connector 5, the second connector 6 have orientating function, substantially increase the stability of loading bearing.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (7)
- A kind of 1. hinged base device for cantilever member experiment, it is characterised in that：Including the first top plate（1）, the second top plate （2）, bottom plate（3）；The first described top plate（1）With the second top plate（2）Between be provided with carriage and connection orienting device, together When the second top plate（2）Rotating device pivot is provided between bottom plate（4）.
- A kind of 2. hinged base device for cantilever member experiment according to claim 1, it is characterised in that：Described cunning Dynamic device includes the first polyfluortetraethylene plate（7）With the second polyfluortetraethylene plate（8）；The first described polyfluortetraethylene plate（7） With the second polyfluortetraethylene plate（8）Positioned at the first top plate（1）With the second top plate（2）Between, respectively by being arranged on the first top plate （1）Lower edge and the second top plate（2）The enclosing column and the first top plate of top edge（1）With the second top plate（2）It is fixed.
- A kind of 3. hinged base device for cantilever member experiment according to claim 2, it is characterised in that：Described One polyfluortetraethylene plate（7）With the second polyfluortetraethylene plate（8）It is respectively embedded in the first top plate（1）Lower edge enclosing column and Second top plate（2）Top edge enclosing column in.
- A kind of 4. hinged base device for cantilever member experiment according to claim 1, it is characterised in that：Described company Connecing orienting device includes the first connector（5）With the second connector（6）；The first described connector（5）With the second connector（6） First top plate is realized in the first top plate bottom matrix groove and in embedded second top plate upper female groove by interior wear（1）With Second top plate（2）Guiding connection.
- A kind of 5. hinged base device for cantilever member experiment according to claim 1, it is characterised in that：Described One top plate（1）Bottom and the second top plate（2）Top be correspondingly arranged on the first top plate bottom matrix groove and the second top plate Portion's concave channels；The first described top plate bottom matrix groove and the opening of the second top plate upper female groove are less than in groove Width.
- A kind of 6. hinged base device for cantilever member experiment according to claim 4, it is characterised in that：Described A connection piece（5）With the second connector（6）It is the I-shaped knot of strip for being respectively provided with top flange, lower flange and web The connection of structure, top flange and web is set and the connection setting of web and lower flange is 1/4 circular arc knot of the radius for 3mm Structure.
- A kind of 7. hinged base device for cantilever member experiment according to claim 1, it is characterised in that：Described rotation Rotary device pivot（4）It is embedded in the second top plate（2）And bottom plate（3）Between；The second described top plate（2）And bottom plate（3）Between The pivot fixing groove of semi-circular recesses shape, rotating device pivot are correspondingly arranged on plate body（4）It is embedded in pivot fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720298953.XU CN206638506U (en) | 2017-03-26 | 2017-03-26 | A kind of novel base for supporting for cantilever member loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720298953.XU CN206638506U (en) | 2017-03-26 | 2017-03-26 | A kind of novel base for supporting for cantilever member loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638506U true CN206638506U (en) | 2017-11-14 |
Family
ID=60262159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720298953.XU Expired - Fee Related CN206638506U (en) | 2017-03-26 | 2017-03-26 | A kind of novel base for supporting for cantilever member loading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638506U (en) |
-
2017
- 2017-03-26 CN CN201720298953.XU patent/CN206638506U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200115 Address after: Room 202, building 1, Baosteel Industrial Park, northwest corner, intersection of Fuxing Road and xiayun Road, Xincheng District, Pingdingshan City, Henan Province Patentee after: Pingdingshan Baode Technology Co., Ltd Address before: Lung Cheung Road Pingdingshan city Henan province 467036 Patentee before: Henan University of Urban Construction |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200312 Address after: Room 624, floor 6, building 3, 188 ona Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 200000 Patentee after: Shanghai Deyi Construction Technology Co., Ltd Address before: Room 202, building 1, Baosteel Industrial Park, northwest corner, intersection of Fuxing Road and xiayun Road, Xincheng District, Pingdingshan City, Henan Province Patentee before: Pingdingshan Baode Technology Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20210326 |