CN206370239U - A kind of bridge structural model device - Google Patents
A kind of bridge structural model device Download PDFInfo
- Publication number
- CN206370239U CN206370239U CN201621443897.6U CN201621443897U CN206370239U CN 206370239 U CN206370239 U CN 206370239U CN 201621443897 U CN201621443897 U CN 201621443897U CN 206370239 U CN206370239 U CN 206370239U
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- CN
- China
- Prior art keywords
- support bar
- bridge
- web member
- transverse support
- structural model
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Abstract
The utility model discloses a kind of bridge structural model device, including tie point, web member, bridge floor, girder truss, contact rod member and lower transverse support bar, the bridge floor is connected by montant with the first lower boom, the girder truss is connected with connects bearing, first lower boom is connected by connector with the second lower boom, and the lower transverse support bar is connected by oblique contact bar with upper transverse support bar.The bridge structural model device, innovative design is carried out with reference to the bridge structural model device used now, this bridge structural model device using truss structure and connects top-bottom chord with the use of list Pin structures, bridge is not only enabled to form the two-way entirety for having fine rigidity, also so that its internal web member there's almost no moment of flexure and the chord member of truss in span centre part stress than larger, and progressively reduce to bearing direction, and the stress of web member is main greatest around in bearing, in span centre part, the stress of web member is smaller, or even has theoretic " zero bar ".
Description
Technical field
The utility model is related to bridge structural model technical field, specially a kind of bridge structural model device.
Background technology
Bridge structural model device is a kind of bridge structural model for being used to study bridge structure composition and its force analysis,
It is main by top boom, montant, girder truss, web member, lower boom, transverse support bar, contact rod member, this eight portions of vertical supporting bar
It is grouped into, the species of bridge structural model device is more and more with the development of science and technology, for bridge structural model device
Demand more and more higher.
And the bridge structural model device used now also coming with some shortcomings more or less, than as now used will
It is the girder frame structure of no thrust, otherwise it is the arch truss structure for having thrust, but both of which has weak point and made
The moment of flexure for obtaining internal web member is larger, support is not provided with outside the truss plane for the single Pin having so that bridge can not form two-way
There is the entirety of fine rigidity, what is had regard lower boom as bridge floor so that want to reach rigidity requirement outside plane, then still need to increase
Connection between winding up reduces out-of-plane computational length of winding up, it is impossible to the need for meeting use, so for such case
Presence, it is now desired to carry out the innovative design of relevant device.
Utility model content
The purpose of this utility model is to provide a kind of bridge structural model device, to solve to propose in above-mentioned background technology
Or it is present use be the girder frame structure of no thrust, or be the arch truss structure for having thrust, but both of which
There is weak point and make it that the moment of flexure of internal web member is larger, support is not provided with outside the truss plane for the single Pin having so that bridge
Beam can not form the two-way entirety for having fine rigidity, and what is had regard lower boom as bridge floor so that want to reach rigidity outside plane
It is required that, then still need to increase the connection between top boom to reduce the problem of winding up out-of-plane computational length.
To achieve the above object, the utility model provides following technical scheme：A kind of bridge structural model device, including even
Contact, web member, bridge floor, girder truss, contact rod member and lower transverse support bar, the tie point is connected with top boom, and winds up
Bar is connected with montant, and the web member is connected with the first diagonal web member, and the first diagonal web member is connected with the second diagonal web member, described
Bridge floor is connected by montant with the first lower boom, and the girder truss is connected with connects bearing, and first lower boom passes through
Connector is connected with the second lower boom, and the lower transverse support bar is connected by oblique contact bar with upper transverse support bar.
It is preferred that, the top boom, contact rod member and upper transverse support bar combine to form bridge floor.
It is preferred that, the web member is the paulownia batten that a kind of bottom size is 5*6mm.
It is preferred that, the upper transverse support bar, oblique contact bar and lower transverse support bar composition list Pin structures.
It is preferred that, it is connected between the contact rod member and upper transverse support bar by riveting neck, and upper cross-brace
Bar is connected with vertical supporting bar.
Compared with prior art, the beneficial effects of the utility model are：The bridge structural model device, with reference to using now
Bridge structural model device carry out innovative design, this bridge structural model device using truss structure and with the use of list Pin tie
Structure connects top-bottom chord, not only enables bridge to form the two-way entirety for having fine rigidity, also make it that web member inside it is several
The chord member of moment of flexure and truss is not present in span centre part stress than larger, and progressively reduces to bearing direction, and web member by
Power is main greatest around in bearing, and in span centre part, the stress of web member is smaller, or even has theoretic " zero bar ", and the present apparatus will
Top boom is used as bridge floor so that want to reach rigidity requirement outside plane, and the connection for being not required to increase between top boom is winded up to reduce
The problem of out-of-plane computational length.
Brief description of the drawings
Fig. 1 is the utility model positive structure diagram；
Fig. 2 is the utility model overlooking the structure diagram；
Fig. 3 is the utility model list Pin structural representations.
In figure：1st, tie point, 2, top boom, 3, montant, 4, web member, the 5, first diagonal web member, the 6, second diagonal web member, 7, bridge
Face, 8, girder truss, 9, connects bearing, the 10, first lower boom, 11, connector, the 12, second lower boom, 13, contact rod member, 14,
Upper transverse support bar, 15, riveting neck, 16, vertical supporting bar, 17, oblique contact bar, 18, lower transverse support bar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of bridge structural model device, including connection
Point 1, top boom 2, montant 3, web member 4, the first diagonal web member 5, the second diagonal web member 6, bridge floor 7, girder truss 8, connects bearing 9, first
Lower boom 10, connector 11, the second lower boom 12, contact rod member 13, upper transverse support bar 14, riveting neck 15, longitudinal bracing
Bar 16, oblique contact bar 17 and lower transverse support bar 18, tie point 1 is connected with top boom 2, and top boom 2 is connected with montant 3
Connect, top boom 2, contact rod member 13 and the combination of upper transverse support bar 14 form bridge floor 7, and web member 4 is connected with the first diagonal web member 5,
And first diagonal web member 5 be connected with the second diagonal web member 6, web member 4 is the paulownia batten that a kind of bottom size is 5*6mm, and bridge floor 7 passes through
Montant 3 is connected with the first lower boom 10, and girder truss 8 is connected with connects bearing 9, the first lower boom 10 by connector 11 with
Second lower boom 12 is connected, and lower transverse support bar 18 is connected by oblique contact bar 17 with upper transverse support bar 14, upper horizontal stroke
Single Pin structures, contact rod member 13 and upper transverse support bar are constituted to support bar 14, oblique contact bar 17 and lower transverse support bar 18
It is connected between 14 by riveting neck 15, and upper transverse support bar 14 is connected with vertical supporting bar 16.
Operation principle：, it is necessary to be carried out to whole bridge structural model device before using the bridge structural model device
Simple structure understands, and this bridge structural model device using truss structure and connects top-bottom chord with the use of list Pin structures,
Bridge is not only enabled to form the two-way entirety for having fine rigidity, the web member 4 for also causing it internal there's almost no moment of flexure, on
Transverse support bar 14, oblique contact bar 17 and lower transverse support bar 18 constitute single Pin structures, and contact rod member 13 is laterally propped up with upper
It is connected between strut 14 by riveting neck 15, upper transverse support bar 14 is connected 16 with vertical supporting bar, top boom 2, connection
Tie-rod part 13 and the combination of upper transverse support bar 14 form bridge floor, and the present apparatus regard top boom 2 as bridge floor so that want to reach outside plane
To rigidity requirement, it is not required to increase the connection between top boom 2 to reduce the problem of winding up out-of-plane computational length, here it is whole
The composition structure of individual bridge structural model device.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should
Within protection domain of the present utility model.
Claims (5)
1. a kind of bridge structural model device, including tie point（1）, web member（4）, bridge floor（7）, girder truss（8）, contact rod member
（13）With lower transverse support bar（18）, it is characterised in that：The tie point（1）With top boom（2）It is connected, and top boom（2）
With montant（3）It is connected, the web member（4）With the first diagonal web member（5）It is connected, and the first diagonal web member（5）With the second diagonal web member
（6）It is connected, the bridge floor（7）Pass through montant（3）With the first lower boom（10）It is connected, the girder truss（8）With being connected branch
Seat（9）It is connected, first lower boom（10）Pass through connector（11）With the second lower boom（12）It is connected, the lower transverse direction
Support bar（18）Pass through oblique contact bar（17）With upper transverse support bar（14）It is connected.
2. a kind of bridge structural model device according to claim 1, it is characterised in that：The top boom（2）, contact bar
Part（13）With upper transverse support bar（14）Combination forms bridge floor（7）.
3. a kind of bridge structural model device according to claim 1, it is characterised in that：The web member（4）For a kind of bottom
Portion's size is 5*6mm paulownia batten.
4. a kind of bridge structural model device according to claim 1, it is characterised in that：The upper transverse support bar
（14）, oblique contact bar（17）With lower transverse support bar（18）Constitute list Pin structures.
5. a kind of bridge structural model device according to claim 1, it is characterised in that：The contact rod member（13）With it is upper
Transverse support bar（14）Between by riveting neck（15）It is connected, and upper transverse support bar（14）With vertical supporting bar（16）Phase
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443897.6U CN206370239U (en) | 2016-12-27 | 2016-12-27 | A kind of bridge structural model device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443897.6U CN206370239U (en) | 2016-12-27 | 2016-12-27 | A kind of bridge structural model device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206370239U true CN206370239U (en) | 2017-08-01 |
Family
ID=59392682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621443897.6U Expired - Fee Related CN206370239U (en) | 2016-12-27 | 2016-12-27 | A kind of bridge structural model device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206370239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868725A (en) * | 2019-04-04 | 2019-06-11 | 同济大学建筑设计研究院(集团)有限公司 | A kind of spanning component of the two-fold linear foot bridge beam of empty stomach |
-
2016
- 2016-12-27 CN CN201621443897.6U patent/CN206370239U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868725A (en) * | 2019-04-04 | 2019-06-11 | 同济大学建筑设计研究院(集团)有限公司 | A kind of spanning component of the two-fold linear foot bridge beam of empty stomach |
| CN109868725B (en) * | 2019-04-04 | 2024-03-22 | 同济大学建筑设计研究院(集团)有限公司 | Bridge span assembly of hollow double-fold-line pedestrian bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170801 Termination date: 20171227 |