CN206571157U - A kind of bent columns and bent structure - Google Patents

A kind of bent columns and bent structure Download PDF

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Publication number
CN206571157U
CN206571157U CN201720083158.9U CN201720083158U CN206571157U CN 206571157 U CN206571157 U CN 206571157U CN 201720083158 U CN201720083158 U CN 201720083158U CN 206571157 U CN206571157 U CN 206571157U
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China
Prior art keywords
bent
bent columns
main body
bearing diagonal
template bearing
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CN201720083158.9U
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Chinese (zh)
Inventor
王昊
苗源
蔡义波
闫霞
李永霞
胡世君
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China Aerospace Construction Group Co Ltd
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China Aerospace Construction Group Co Ltd
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Abstract

The utility model provides a kind of bent columns and bent structure, belong to building field, bent columns include bent columns main body, auxiliary support structure and multiple supporting plates, multiple supporting plates are respectively arranged in bent columns main body, length direction of multiple supporting plates along bent columns main body is arranged at intervals, supporting construction includes earth anchor, the first template bearing diagonal and the second template bearing diagonal, and earth anchor is arranged at intervals with bent columns main body, and bent columns main body is connected by the first template bearing diagonal and the second template bearing diagonal with earth anchor;Bent structure includes beam and two bent columns as above, and two bent columns are respectively arranged in the two ends of beam.The bent columns that the utility model is provided are provided with auxiliary support structure beside bent columns main body, earth anchor inserts ground, then bent columns main body and earth anchor are connected by the first template bearing diagonal and the second template bearing diagonal, earth anchor can form the effect of Auxiliary support to bent columns main body, lift stability when bent columns are installed, it is to avoid rock.

Description

A kind of bent columns and bent structure
Technical field
The utility model is related to building field, in particular to a kind of bent columns and bent structure.
Background technology
The structure of framed bent, framed bent is following two organ timbering, above roof truss, put between the roof truss above this two organ timbering One plank forms the continuous structure in space, bent columns, as its name suggests, by rows.It is mainly used in single-storey factory building, by room Frame, pillar and basis constitute transverse plane framed bent, are the main bearing system of factory building, then pass through roof boarding, crane girder, support etc. Plane mating is tied by longitudinal member, constitutes overall space structure.Framed bent system is usually used in tall and big spacious individual layer Building such as auditorium of industrial premises, hangar and cinema etc..Its capital is connected with large-scale roof truss or truss, then coated with dress Roof boarding with formula, as needed, some framed bent building roofs there is provision of large-scale skylight, have then need longitudinally disposed hang Bicycle beam.Because the house rigidity of framed bent system is small, center of gravity is high, is subjected to dynamic load, it is therefore desirable to install intercolumniation bearing diagonal and room The flat bearing diagonal of level of cover, will also set wind-resistant column in both sides gable.
Inventor has found that existing bent columns at least have the following disadvantages under study for action:Existing framed bent rod structure is unstable, Easily rock.
Utility model content
The purpose of this utility model is to provide a kind of bent columns, not enough surely causes easily to shake to improve existing bent columns installation Dynamic the problem of.
The purpose of this utility model is to provide a kind of bent structure, not enough surely caused easily with improving existing bent columns installation The problem of rocking.
What the utility model was realized in:
Based on the first above-mentioned purpose, the utility model provides a kind of bent columns, including bent columns main body, Auxiliary support Structure and multiple supporting plates, multiple supporting plates are respectively arranged in the bent columns main body, and multiple supporting plates are described in The length direction of bent columns main body is arranged at intervals, and it is oblique that the supporting construction includes earth anchor, the first template bearing diagonal and the second template Support, the earth anchor and the bent columns main body are arranged at intervals, the bent columns main body by the first template bearing diagonal and The second template bearing diagonal is connected with the earth anchor.
The bent columns that the utility model is provided are provided with auxiliary support structure, earth anchor insertion ground beside bent columns main body Face, is then connected bent columns main body and earth anchor by the first template bearing diagonal and the second template bearing diagonal, earth anchor can be right The effect of bent columns main body formation Auxiliary support, stability when lifting bent columns are installed, it is to avoid rock;In bent structure, Bent columns are all arranged in pairs, and framed bent mechanism now just has four strong points, more steadily;And in bent frame system In, earth anchor is located at the both sides of bent frame system length direction respectively, can effectively lift the stability of bent frame system.
Further, the supporting construction is set to two groups, and two supporting constructions are along along the bent columns main body Heart line is symmetrical arranged.
Two supports make the stability that there is each bent columns foot to have, so as to lift the overall stability of bent structure.
Further, the first template bearing diagonal is located above the second template bearing diagonal, and first template is oblique Angle between support and the second template bearing diagonal is 30 degree to 70 degree.
Now connected between bent columns main body and earth anchor more firmly, and now earth anchor by the first template bearing diagonal and Supporting role of the second template bearing diagonal to bent columns main body is stronger.
Further, the angle between the first template bearing diagonal and the second template bearing diagonal is 60 degree.
Now supporting role of the earth anchor by the first template bearing diagonal and the second template bearing diagonal to bent columns main body is most strong.
Further, the first template bearing diagonal and the second template bearing diagonal pass through bolt and the framed bent respectively Post main body is connected.
First template bearing diagonal and the second template bearing diagonal make dismounting by bolt and the connection of bent columns main body and installed all It is more convenient, while can ensure to install more between the first template bearing diagonal and the second template bearing diagonal and bent columns main body Firmly.
Further, multiple screwed holes are provided with the bent columns main body, multiple screwed holes are along the bent columns The center line of main body is symmetrical arranged, and length direction of multiple screwed holes along the bent columns main body is arranged at intervals;It is described Supporting construction also includes setting respectively on the first installing plate and the second installing plate, first installing plate and second installing plate There is tapped through hole, first installing plate is connected with the first template bearing diagonal, and the first template bearing diagonal passes through described First installing plate is connected with the bent columns main body, and second installing plate is connected with the second template bearing diagonal, and described Two template bearing diagonals are connected by second installing plate with the bent columns main body.
The setting of first installing plate and the second installing plate can make the first template bearing diagonal and the second template bearing diagonal and row Connection between trestle main body more consolidates and closely, the power of bent columns main body is uniformly tiltedly propped up by the first template Support and the second template bearing diagonal pass to earth anchor, so as to avoid bent columns main body from rocking.
Further, the distance between adjacent described supporting plate is 1200 millimeters.
This is apart from most suitable.
Further, the supporting plate is set to 4, and the supporting plate close to the top of the bent columns main body with The distance on the top of the bent columns main body is less than the supporting plate and the framed bent close to the bottom of the bent columns main body The distance between bottom of post main body.
When installing bent columns main body, a part for bent columns main body can submerge ground end, and support is set in this way Plate can be more uniformly stressed bent columns main body, and distance of the supporting plate apart from ground is slightly larger, can match somebody with somebody with auxiliary support structure Close, enough positions are reserved to auxiliary support structure.
Further, the bent columns also include Lv's hook, Lv's hook include the first bar and the second bar, first bar and The angle that second bar is respectively arranged between the top of the bent columns main body, and first bar and second bar is 90 degree.
The setting of Lv's hook makes bent columns more facilitate in movement, when mobile, and only need to tangle Lv's hook just can be with framed bent Post main body is moved, meanwhile, it is also to tangle Lv's hook just bent columns main body can be stood on end when mounted.
Based on the second above-mentioned purpose, the utility model additionally provides a kind of bent structure, including the as above institute of beam and two The bent columns stated, two bent columns are respectively arranged in the two ends of the beam.
The bent columns that the utility model is provided are provided with auxiliary support structure, earth anchor insertion ground beside bent columns main body Face, is then connected bent columns main body and earth anchor by the first template bearing diagonal and the second template bearing diagonal, earth anchor can be right The effect of bent columns main body formation Auxiliary support, stability when lifting bent columns are installed, it is to avoid rock.
Compared with prior art, the beneficial effect of the utility model realization is:
The bent columns that the utility model is provided are provided with auxiliary support structure, earth anchor insertion ground beside bent columns main body Face, is then connected bent columns main body and earth anchor by the first template bearing diagonal and the second template bearing diagonal, earth anchor can be right The effect of bent columns main body formation Auxiliary support, stability when lifting bent columns are installed, it is to avoid rock;In bent structure, Bent columns are all arranged in pairs, and framed bent mechanism now just has four strong points, more steadily;And in bent frame system In, earth anchor is located at the both sides of bent frame system length direction respectively, can effectively lift the stability of bent frame system.
The bent columns that the utility model is provided are provided with auxiliary support structure, earth anchor insertion ground beside bent columns main body Face, is then connected bent columns main body and earth anchor by the first template bearing diagonal and the second template bearing diagonal, earth anchor can be right The effect of bent columns main body formation Auxiliary support, stability when lifting bent columns are installed, it is to avoid rock.
Brief description of the drawings
Fig. 1 shows the schematic diagram for the bent columns that the utility model embodiment 1 is provided;
Fig. 2 shows the schematic diagram for the auxiliary support structure that the utility model embodiment 1 is provided;
Fig. 3 shows the first installing plate sectional view that the utility model embodiment 1 is provided;
Fig. 4 shows the schematic diagram for Lv's hook that the utility model embodiment 1 is provided;
Fig. 5 shows the schematic diagram for the bent structure that the utility model embodiment 2 is provided.
In figure:101- bent columns main bodys;102- auxiliary support structures;103- supporting plates;104 Lv's hooks;105- earth anchors;106- First template bearing diagonal;107- the second template bearing diagonals;The installing plates of 108- first;The installing plates of 109- second;110- tapped through holes; The bars of 111- first;The bars of 112- second;113- beams.
Embodiment
The structure of framed bent, framed bent is following two organ timbering, above roof truss, put between the roof truss above this two organ timbering One plank forms the continuous structure in space, bent columns, as its name suggests, by rows.It is mainly used in single-storey factory building, by room Frame, pillar and basis constitute transverse plane framed bent, are the main bearing system of factory building, then pass through roof boarding, crane girder, support etc. Plane mating is tied by longitudinal member, constitutes overall space structure.Framed bent system is usually used in tall and big spacious individual layer Building such as auditorium of industrial premises, hangar and cinema etc..Its capital is connected with large-scale roof truss or truss, then coated with dress Roof boarding with formula, as needed, some framed bent building roofs there is provision of large-scale skylight, have then need longitudinally disposed hang Bicycle beam.Because the house rigidity of framed bent system is small, center of gravity is high, is subjected to dynamic load, it is therefore desirable to install intercolumniation bearing diagonal and room The flat bearing diagonal of level of cover, will also set wind-resistant column in both sides gable.Inventor has found under study for action, existing bent columns At least have the following disadvantages:Existing framed bent rod structure is unstable, easily rocks.
In order that above mentioned problem is improved, the utility model provides a kind of bent columns, including bent columns main body, auxiliary Supporting construction and multiple supporting plates, multiple supporting plates are respectively arranged in the bent columns main body, multiple supporting plate edges The length direction of the bent columns main body is arranged at intervals, and the supporting construction includes earth anchor, the first template bearing diagonal and the second mould Plate bearing diagonal, the earth anchor is arranged at intervals with the bent columns main body, and the bent columns main body is tiltedly propped up by first template Support and the second template bearing diagonal are connected with the earth anchor.The bent columns that the utility model is provided are set beside bent columns main body It is equipped with auxiliary support structure, earth anchor insertion ground, then by the first template bearing diagonal and the second template bearing diagonal by bent columns master Body and earth anchor are connected, and earth anchor can form the effect of Auxiliary support to bent columns main body, steady when lifting bent columns are installed It is qualitative, it is to avoid to rock;In bent structure, bent columns are all arranged in pairs, and framed bent mechanism now just has four supports Point, more steadily;And in bent frame system, earth anchor is located at the both sides of bent frame system length direction respectively, can effectively it be lifted The stability of bent frame system.
The utility model additionally provides a kind of bent structure, including beam and two bent columns as described above, described in two Bent columns are respectively arranged in the two ends of the beam.The bent columns that the utility model is provided are provided with auxiliary beside bent columns main body Supporting construction, earth anchor insertion ground, then by the first template bearing diagonal and the second template bearing diagonal by bent columns main body and earth anchor Connect, earth anchor can form the effect of Auxiliary support, stability when lifting bent columns are installed to bent columns main body, it is to avoid Rock.
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, above in conjunction with the utility model Accompanying drawing in embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of of the present utility model embodiment of the above to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing Shown orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply institute The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality With new limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the Directly over two features and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature is special second Under levying, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level Highly it is less than second feature.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.
Embodiment 1
Referring to figs. 1 to Fig. 4, the utility model provides a kind of bent columns, including bent columns main body 101, Auxiliary support knot Structure 102 and multiple supporting plates 103, multiple supporting plates 103 are respectively arranged in bent columns main body 101, and multiple supporting plates 103 are along framed bent The length direction of post main body 101 is arranged at intervals, and it is oblique that supporting construction includes earth anchor 105, the first template bearing diagonal 106 and the second template Support 107, earth anchor 105 is arranged at intervals with bent columns main body 101, and bent columns main body 101 passes through the first template bearing diagonal 106 and the Two template bearing diagonals 107 are connected with earth anchor 105.
The bent columns that the utility model is provided are provided with auxiliary support structure 102, earth anchor on the side of bent columns main body 101 105 insertion ground, then by the first template bearing diagonal 106 and the second template bearing diagonal 107 by bent columns main body 101 and earth anchor 105 connect, and earth anchor 105 can form the effect of Auxiliary support to bent columns main body 101, steady when lifting bent columns are installed It is qualitative, it is to avoid to rock;In bent structure, bent columns are all arranged in pairs, and framed bent mechanism now just has four supports Point, more steadily;And in bent frame system, earth anchor 105 is located at the both sides of bent frame system length direction respectively, can effectively it carry Rise the stability of bent frame system.
Supporting construction is set to two groups, and center line of two supporting constructions along bent columns main body 101 is symmetrical arranged.Two branch Support makes the stability that there is each bent columns foot to have, so as to lift the overall stability of bent structure.
First template bearing diagonal 106 is located at the top of the second template bearing diagonal 107, and the first template bearing diagonal 106 and second Angle between template bearing diagonal 107 is 30 degree to 70 degree.Now connected more between bent columns main body 101 and earth anchor 105 Firmly, and now earth anchor 105 passes through the branch of the first template bearing diagonal 106 and the second template bearing diagonal 107 to bent columns main body 101 Support effect is stronger.
As the preferred scheme of the present embodiment, the angle between the first template bearing diagonal 106 and the second template bearing diagonal 107 For 60 degree.Now earth anchor 105 passes through the branch of the first template bearing diagonal 106 and the second template bearing diagonal 107 to bent columns main body 101 Support effect is most strong.
First template bearing diagonal 106 and the second template bearing diagonal 107 are connected by bolt with bent columns main body 101 respectively. First template bearing diagonal 106 and the second template bearing diagonal 107 make dismounting by bolt and the connection of bent columns main body 101 and installed all It is more convenient, while can ensure between the first template bearing diagonal 106 and the second template bearing diagonal 107 and bent columns main body 101 That installs is more firm.
Multiple screwed holes are provided with bent columns main body 101, center line of multiple screwed holes along bent columns main body 101 is symmetrical Set, and length direction of multiple screwed holes along bent columns main body 101 is arranged at intervals;Supporting construction also includes the first installing plate 108 and second installing plate 109, tapped through hole 110, the first peace are respectively arranged with the first installing plate 108 and the second installing plate 109 Dress plate 108 is connected with the first template bearing diagonal 106, and the first template bearing diagonal 106 passes through the first installing plate 108 and bent columns main body 101 connections, the second installing plate 109 is connected with the second template bearing diagonal 107, and the second template bearing diagonal 107 passes through the second installing plate 109 are connected with bent columns main body 101.
The setting of first installing plate 108 and the second installing plate 109 can make the first template bearing diagonal 106 and the second template oblique Connection between support 107 and bent columns main body 101 more consolidates and closely, allows the power of bent columns main body 101 uniform Earth anchor 105 is passed to by the first template bearing diagonal 106 and the second template bearing diagonal 107, so as to avoid bent columns main body 101 Rock.First installing plate 108 and the second installing plate 109 can set a radian, make the first installing plate 108 and the second installing plate 109 can completely fit with bent columns main body 101.
The distance between adjacent supporting plate 103 could be arranged to 1200 millimeters.This is apart from most suitable.
Supporting plate 103 is set to 4, and supporting plate 103 and bent columns main body close to the top of bent columns main body 101 The distance on 101 top be less than supporting plate 103 close to the bottom of bent columns main body 101 and bent columns main body 101 bottom it Between distance.When installing bent columns main body 101, a part for bent columns main body 101 can submerge ground end, set in this way Putting supporting plate 103 can be more uniformly stressed bent columns main body 101, and distance of the supporting plate 103 apart from ground is slightly larger, Ke Yiyu Auxiliary support structure 102 coordinates, and enough positions are reserved to auxiliary support structure 102.
Bent columns also include Lv's hook 104, and Lv's hook 104 includes the first bar 111 and the second bar 112, the first bar 111 and the second bar 112 angles being respectively arranged between the top of bent columns main body 101, and the first bar 111 and the second bar 112 are 90 degree.Lv's hook 104 setting makes bent columns more facilitate in movement, when mobile, and only need to tangle Lv's hook 104 just can be with bent columns main body 101 movements, meanwhile, it is also to tangle Lv's hook 104 just bent columns main body 101 can be stood on end when mounted, the first bar 111 And second when being set to 90 degree between bar 112, in mobile or the first bar 111 and the second bar 112 when installing bent columns main body 101 The component vertically and horizontally being subject to is more uniform, and the injury to the first bar 111 and the second bar 112 is little, can extend it and use Life-span.
Embodiment 2
Reference picture 5, the utility model additionally provides a kind of bent structure, including beam 113 and two bent columns as above, two Individual bent columns are respectively arranged in the two ends of beam 113.
The bent columns that the utility model is provided are provided with auxiliary support structure 102, earth anchor on the side of bent columns main body 101 105 insertion ground, then by the first template bearing diagonal 106 and the second template bearing diagonal 107 by bent columns main body 101 and earth anchor 105 connect, and earth anchor 105 can form the effect of Auxiliary support to bent columns main body 101, steady when lifting bent columns are installed It is qualitative, it is to avoid to rock.
In summary, the bent columns that the utility model is provided are provided with auxiliary support structure, ground beside bent columns main body Anchor inserts ground, is then connected bent columns main body and earth anchor by the first template bearing diagonal and the second template bearing diagonal, ground Anchor can form the effect of Auxiliary support, stability when lifting bent columns are installed, it is to avoid rock to bent columns main body;In framed bent In structure, bent columns are all arranged in pairs, and framed bent mechanism now just has four strong points, more steadily;And in row In frame system, earth anchor is located at the both sides of bent frame system length direction respectively, can effectively lift the stability of bent frame system.
The bent columns that the utility model is provided are provided with auxiliary support structure, earth anchor insertion ground beside bent columns main body Face, is then connected bent columns main body and earth anchor by the first template bearing diagonal and the second template bearing diagonal, earth anchor can be right The effect of bent columns main body formation Auxiliary support, stability when lifting bent columns are installed, it is to avoid rock.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of bent columns, it is characterised in that including bent columns main body, auxiliary support structure and multiple supporting plates, multiple described Supporting plate is respectively arranged in the bent columns main body, and length direction interval of multiple supporting plates along the bent columns main body is set Put, the supporting construction includes earth anchor, the first template bearing diagonal and the second template bearing diagonal, the earth anchor and the bent columns master Body is arranged at intervals, and the bent columns main body passes through the first template bearing diagonal and the second template bearing diagonal and the earth anchor Connection.
2. bent columns according to claim 1, it is characterised in that the supporting construction is set to two groups, two branch Center line of the support structure along the bent columns main body is symmetrical arranged.
3. bent columns according to claim 1, it is characterised in that the first template bearing diagonal is located at second template Above bearing diagonal, the angle between the first template bearing diagonal and the second template bearing diagonal is 30 degree to 70 degree.
4. bent columns according to claim 3, it is characterised in that the first template bearing diagonal and second template are oblique Angle between support is 60 degree.
5. bent columns according to claim 1, it is characterised in that the first template bearing diagonal and second template are oblique Support is connected by bolt with the bent columns main body respectively.
6. bent columns according to claim 5, it is characterised in that be provided with multiple screwed holes in the bent columns main body, Center line of multiple screwed holes along the bent columns main body is symmetrical arranged, and multiple screwed holes are along the bent columns master The length direction of body is arranged at intervals;The supporting construction also includes the first installing plate and the second installing plate, first installing plate With tapped through hole is respectively arranged with second installing plate, first installing plate is connected with the first template bearing diagonal, The first template bearing diagonal is connected by first installing plate with the bent columns main body, second installing plate with it is described Second template bearing diagonal is connected, and the second template bearing diagonal is connected by second installing plate with the bent columns main body.
7. bent columns according to claim 1, it is characterised in that the distance between adjacent described supporting plate is 1200 millis Rice.
8. bent columns according to claim 7, it is characterised in that the supporting plate is set to 4, and close to the framed bent The supporting plate on the top of post main body and the distance on the top of the bent columns main body are less than close to the bent columns main body The distance between bottom of the supporting plate of bottom and the bent columns main body.
9. bent columns according to claim 1, it is characterised in that the bent columns also include Lv's hook, Lv's hook includes First bar and the second bar, first bar and second bar are respectively arranged in the top of the bent columns main body, and described Angle between one bar and second bar is 90 degree.
10. a kind of bent structure, it is characterised in that including beam and two bent columns as described in any one of claim 1 to 9, Two bent columns are respectively arranged in the two ends of the beam.
CN201720083158.9U 2017-01-20 2017-01-20 A kind of bent columns and bent structure Active CN206571157U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720083158.9U CN206571157U (en) 2017-01-20 2017-01-20 A kind of bent columns and bent structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720083158.9U CN206571157U (en) 2017-01-20 2017-01-20 A kind of bent columns and bent structure

Publications (1)

Publication Number Publication Date
CN206571157U true CN206571157U (en) 2017-10-20

Family

ID=60060572

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720083158.9U Active CN206571157U (en) 2017-01-20 2017-01-20 A kind of bent columns and bent structure

Country Status (1)

Country Link
CN (1) CN206571157U (en)

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