CN203643271U - Self-balancing portal surface-deformation-resistant experimental device - Google Patents
Self-balancing portal surface-deformation-resistant experimental device Download PDFInfo
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- CN203643271U CN203643271U CN201320859149.6U CN201320859149U CN203643271U CN 203643271 U CN203643271 U CN 203643271U CN 201320859149 U CN201320859149 U CN 201320859149U CN 203643271 U CN203643271 U CN 203643271U
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- door frame
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- lower flange
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Abstract
The utility model discloses a self-balancing portal surface-deformation-resistant experimental device and belongs to the technical field of constructional engineering. The device comprises a portal structure formed by rigidly connecting a portal top beam, a portal post I, a portal post II and a portal bottom beam, wherein the portal bottom beam is in a beam structure comprising an upper flange and a lower flange; multiple vertical deformation devices are arranged in the portal bottom beam; containing space used for containing the multiple vertical deformation devices is formed between the upper flange and the lower flange; a long slotted hole which is communicated with the containing space is formed in the upper flange. The self-balancing portal surface-deformation-resistant experimental device provided in the utility model is conveniently realized in a lab, is simple in structure and convenient to operate, can better simulate engineering practice and has high universality.
Description
Technical field
The utility model relates to a kind of anti-earth's surface deformation experiment device, belongs to construction engineering technical field.
Background technology
In recent years, the exploitation of China to subterranean resource and just more and more frequent to the utilization of the underground space, very easily cause the distortion such as earth's surface non-uniform settling as underground workss such as subway, tunnel and hypogees, and be in the buildings, structures, water conservancy projects, electric power pylon on these underground works tops etc. owing to being subject to the impact of earth's surface non-uniform settling, directly threaten the structural safety of buildings, bring huge hidden danger to human life and property; Can also normally use by these buildingss under affecting of earth's surface non-uniform settling, structures, water conservancy projects, electric power pylon etc.? there is which structure harm? how is damaged degree? how to repair? etc. series of problems be worth us to go further investigated research.
In prior art, also do not have the test unit of a set of closing to reality engineering to meet with the experimental study of the rear internal force of earth's surface distortion, distortion Variation Features in order to simulate superstructure; Also do not have not only can realize top loading simultaneously but also can simulate the test unit that earth's surface, bottom is out of shape.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the utility model provides the anti-earth's surface of a kind of self-equilibrating door frame deformation experiment device, is applicable to the experiment of the variation of superstructure internal force, deformation characteristics under the deformation condition of laboratory simulation earth's surface.
The utility model is achieved by the following technical solution: the anti-earth's surface of a kind of self-equilibrating door frame deformation experiment device, it comprises by door frame back timber, door frame post I, door frame post II and the door frame bottom girder portal-framed structure forming that is rigidly connected, described door frame bottom girder is the girder construction that comprises top flange and lower flange, multiple vertical deformation devices are housed in door frame bottom girder, between top flange and lower flange, be useful on the accommodation space that holds multiple described vertical deformation devices, on described top flange, have the long slot bore connecting with described accommodation space.
The junction, inner side of described door frame back timber, door frame post I, door frame post II and door frame bottom girder is fixed with tucks in pin.
Described top flange and lower flange are tabular, between top flange and lower flange, be connected with web, on described top flange and lower flange, there is bolthole, on described lower flange, there are multiple through holes, there is with the two ends of lower flange the end plate being connected with described door frame post I and door frame post II described top flange, on described top flange, lower flange and end plate, has multiple connecting holes.
Described web has twice, forms the described accommodation space that holds multiple described vertical deformation devices between twice web.
Between described web and described top flange and lower flange, be fixed with multiple stiffening rib.
Described vertical deformation device is the lifting jack vertically arranging, and it comprises cylinder body and expansion link; Described cylinder body passes from described lower flange and connects on the ground, and the upper end of described expansion link is connected with the top board that can stretch out from described long slot bore, and multiple described lifting jack are arranged in a row or number row in described accommodation space.
On described long slot bore, be coated with the cover plate edge of a wing, the bottom on the cover plate edge of a wing has plate to stretch in described accommodation space.
Described door frame back timber is " work " tee beam structure, and there is the end plate being connected with described door frame post I and door frame post II at the two ends of door frame back timber; Described door frame post I and door frame post II are " work " font rod structures.
The described pin of tucking in is by tucking in socle I and tucking in socle II perpendicular rigid " L " shape connector that is formed by connecting, the connecting end surface I of tucking in socle I outside forms right angle corner with the connecting end surface II of tucking in socle II outside, in described connecting end surface I and connecting end surface II, has multiple connecting holes.
Described tuck in socle I and tuck between the inner side of socle II be fixed with floor.
The beneficial effects of the utility model are: the anti-earth's surface of the self balancing device deformation experiment device that the utility model proposes can directly apply top vertically or horizontal loading; Also can directly apply deformation of bottom; Can apply upper load and bottom deformation simultaneously.Experimental provision of the present utility model has solved the problems that deformation test research in anti-earth's surface faces at present, has realized the deformation experiment research of the anti-earth's surface of laboratory simulation superstructure.The self-equilibrating door frame bottom girder top flange middle part fluting of the utility model to designed, designed, realizes non-uniform settling space, the perforate of door frame bottom girder lower flange is placed to vertical deformation device simultaneously, can realize simulation ground settlement non-uniform settling; Can realize the experiment of earth's surface distortion on superstructure impact; Superstructure prominent earth's surface of meeting in the time of normal operating condition be can realize and (deformation feature) lower its internal force, the test of distortion Variation Features are out of shape; Can realize top loads with earth's surface, bottom and is out of shape and synchronizes experiment.It is convenient that the anti-earth's surface of the self-equilibrating door frame deformation experiment device that the utility model proposes is realized in laboratory, simple structure, and simple operation, can better model engineering reality, and the utility model has versatility.
Brief description of the drawings
According to drawings and embodiments the utility model is further illustrated below.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model door frame bottom girder vertical view;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 is the utility model door frame bottom girder upward view;
Fig. 5 is the utility model door frame bottom girder cover plate vertical view;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the utility model door frame bottom girder stereographic map;
Fig. 8 is the utility model door frame pillar construction schematic diagram;
Fig. 8 a is the sectional view of the utility model door frame column;
Fig. 8 b is the end plate schematic diagram of door frame column;
Fig. 8 c is the side wing edge schematic diagram of door frame column;
Fig. 9 is the utility model door frame beam structure schematic diagram;
Fig. 9 a is the sectional view of the utility model door frame back timber;
Fig. 9 b is the end plate schematic diagram of door frame back timber;
Fig. 9 c is the vertical view of door frame back timber;
Fig. 9 d is the upward view of door frame back timber;
Figure 10 is that the utility model is tucked in leg structure schematic diagram;
Figure 10 a is that the utility model is tucked in leg structure front view;
Figure 10 b is the left view of Figure 10 a;
Figure 10 c is the right view of Figure 10 a;
Figure 10 d is the vertical view of Figure 10 a;
Figure 11 is the utility model vertical deformation device schematic diagram;
Figure 12 is the practical state reference map of the utility model.
In figure, a-door frame back timber; B-door frame post I; C-door frame post II; D-door frame bottom girder; E-tucks in pin; E1, tuck in socle I, e2, tuck in socle II, e3, floor, e4, connecting end surface I, e5, connecting end surface II; F-vertical deformation device; F1, top board, f2, expansion link, f3, cylinder body; K-earth anchor hole; G-charger; S-test component;
1, top flange, 2, lower flange, 3, web, 4, through hole, 5, bolthole, 6, long slot bore, 7, stiffening rib, 8, plate, 9, the cover plate edge of a wing, 10, connecting hole.
Embodiment
The anti-earth's surface of a kind of self-equilibrating door frame deformation experiment device as shown in Figure 1 to 11, it comprises the portal-framed structure forming that is rigidly connected by door frame back timber a, door frame post I b, door frame post II c and door frame bottom girder d, described door frame bottom girder d is the girder construction that comprises top flange 1 and lower flange 2, multiple vertical deformation device f are housed in door frame bottom girder d, between top flange 1 and lower flange 2, be useful on the accommodation space that holds multiple described vertical deformation device f, on described top flange 1, have the long slot bore 6 connecting with described accommodation space.The edge of a wing refers to plane or flat board in the utility model, as the upper and lower plane of door frame back timber, bottom girder, and the side plane of door frame post.Because door frame back timber, bottom girder, and door frame post adopts " work " tee beam shelf structure more, and the plane of above-mentioned position is stretched out to two edges place, thus claim " edge of a wing ", by all planes and the slab construction of the above-mentioned position of acute pyogenic infection of finger tip, the edge of a wing.
This door frame can be fixed by earth anchor and ground, in the time that door frame bottom girder top flange is sealed with the cover plate edge of a wing 9, the self-equilibrating that can realize in plane loads, loading load is >1000KN, need to install additional and tuck in pin e in the junction, inner side of door frame back timber a, door frame post I b, door frame post II c and door frame bottom girder d, realize the reinforcement to node.When not adding while tucking in state, load load and be≤1000KN.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 7, described top flange 1 and lower flange 2 are tabular, between top flange 1 and lower flange 2, be connected with web 3, on described top flange 1 and lower flange 2, there is bolthole 5, there are on the ground multiple earth anchor hole k, when experiment, can realize the fixing of door frame and earth's surface by the reserved anchor hole in door frame bottom girder two ends as required.On described lower flange 2, there are multiple through holes 4 that pass through for lifting jack, there is with the two ends of lower flange 2 end plate being connected with described door frame post I b and door frame post II c described top flange 1, on described top flange 1, lower flange 2 and end plate, there are multiple connecting holes 10, for being connected with door frame other parts.
Described web 3 has twice, forms the described vertical accommodation space that holds multiple described vertical deformation device f between twice web 3.
Between described web 3 and described top flange 1 and lower flange 2, be fixed with multiple stiffening rib 7.
As shown in Figure 1, shown in Figure 11, described vertical deformation device f is the lifting jack vertically arranging, and it comprises cylinder body f3 and expansion link f2; Described cylinder body f3 passes from described lower flange 2 and connects on the ground, the upper end of described expansion link f2 is connected with the top board f1 that can stretch out from described long slot bore 6, multiple described lifting jack are arranged in a row or number row in described accommodation space, and multiple top board f1 are linked to be a horizontal plane at initial position and form support.Lifting by multiple vertical deformation device f can be simulated earth's surface non-uniform settling.
As shown in Figure 5, Figure 6, on described long slot bore 6, be coated with the cover plate edge of a wing 9, the plate 8 stretching in described accommodation space is arranged at the bottom on the cover plate edge of a wing 9, forms " T " font cover plate.When carrying out loading experiment chamber in structure single shaft, plane, the accommodation space on door frame bottom girder can be covered with " T " font cover plate.The cover plate edge of a wing 9 can be a monoblock, can be also that polylith is stitched together.
As shown in Figure 8, Figure 9, described door frame back timber a is " work " tee beam structure, and there is the end plate being connected with described door frame post I b and door frame post II c at the two ends of door frame back timber a; Described door frame post I b and door frame post II c are " work " font rod structures.Door frame back timber a, door frame post I b are useful on on door frame post II c the connecting hole being connected with door frame other parts.
Shown in Figure 10, the described pin e that tucks in is by tucking in socle I e1 and tucking in socle II e2 perpendicular rigid " L " shape connector that is formed by connecting, the connecting end surface I e4 that tucks in socle I e1 outside forms right angle corner with the connecting end surface II e5 that tucks in socle II e2 outside, on described connecting end surface I e4 and connecting end surface II e5, there are multiple connecting holes 10, for being connected with door frame other parts.Described tuck in socle I e1 and tuck between the inner side of socle II e2 be fixed with floor e3.
When use, as shown in Fig. 1, Figure 12, first install self-equilibrating door frame, can realize free load test in plane,
Door frame bottom girder top flange cover plate is taken down, hydraulic jack is passed to door frame bottom girder lower flange preformed hole, be positioned in the long slot bore 6 of opening in advance top flange, now can simulate by the lifting of hydraulic jack the non-uniform settling simulation that realizes earth's surface, lower goalkeeper's beam can be realized non-uniform settling; In door frame bottom girder d top flange 1, accommodation space described in multiple hydraulic jack are put into is arranged in a row or number row, long slot bore 6 stretches out top board f1, utilizes the lifting of hydraulic jack to realize earth's surface non-uniform settling, can realize the experiment of superstructure anti-earth's surface distortion.Test component s is placed on door frame bottom girder, on door frame back timber a, door frame post I b or door frame post II c, install charger g additional, test component s is exerted pressure and can realize deformation experiment research in anti-earth's surface under unidirectional load action, also can realize deformation experiment research in anti-earth's surface under bidirectional load effect.
In the time carrying out in structure single shaft, plane loading experiment, T shape cover plate on door frame bottom girder can be covered; Door frame bottom girder d is connected and fixed by earth anchor and ground, and charger g can be fixed on door frame back timber a and realize vertical loading; Charger g is fixed on door frame post I b or door frame post II c can realize horizontal direction loading; Charger g is fixed on door frame back timber a and door frame post I b or door frame post II c simultaneously can realize biaxial loadings in plane.When experiment, can realize the fixing of door frame and earth's surface by the reserved anchor hole in door frame bottom girder two ends as required.
Claims (10)
1. the anti-earth's surface of a self-equilibrating door frame deformation experiment device, it is characterized in that: it comprises by door frame back timber (a), door frame post I (b), door frame post II (c) and door frame bottom girder (d) portal-framed structure forming that is rigidly connected, described door frame bottom girder (d) is the girder construction that comprises top flange (1) and lower flange (2), multiple vertical deformation devices (f) are housed in door frame bottom girder (d), between top flange (1) and lower flange (2), be useful on the accommodation space that holds multiple described vertical deformation devices (f), on described top flange (1), there is the long slot bore (6) connecting with described accommodation space.
2. the anti-earth's surface of self-equilibrating door frame according to claim 1 deformation experiment device, is characterized in that: the junction, inner side of described door frame back timber (a), door frame post I (b), door frame post II (c) and door frame bottom girder (d) is fixed with tucks in pin (e).
3. the anti-earth's surface of self-equilibrating door frame according to claim 1 deformation experiment device, it is characterized in that: described top flange (1) and lower flange (2) are for tabular, between top flange (1) and lower flange (2), be connected with web (3), on described top flange (1) and lower flange (2), there is bolthole (5), on described lower flange (2), there are multiple through holes (4), there is with the two ends of lower flange (2) end plate being connected with described door frame post I (b) and door frame post II (c) described top flange (1), described top flange (1), on lower flange (2) and end plate, there are multiple connecting holes (10).
4. the anti-earth's surface of self-equilibrating door frame according to claim 3 deformation experiment device, is characterized in that: described web (3) has twice, forms the described accommodation space that holds multiple described vertical deformation devices (f) between twice web (3).
5. according to the anti-earth's surface of the self-equilibrating door frame deformation experiment device described in claim 3 or 4, it is characterized in that: between described web (3) and described top flange (1) and lower flange (2), be fixed with multiple stiffening rib (7).
6. the anti-earth's surface of self-equilibrating door frame according to claim 1 deformation experiment device, is characterized in that: described vertical deformation device (f) is the lifting jack vertically arranging, and it comprises cylinder body (f3) and expansion link (f2); Described cylinder body (f3) passes and connects on the ground from described lower flange (2), the upper end of described expansion link (f2) is connected with the top board (f1) that can stretch out from described long slot bore (6), and multiple described lifting jack are arranged in a row or number row in described accommodation space.
7. according to the anti-earth's surface of the self-equilibrating door frame deformation experiment device described in claim 1 or 3, it is characterized in that: on described long slot bore (6), be coated with the cover plate edge of a wing (9), the bottom of the cover plate edge of a wing (9) has plate (8) to stretch in described accommodation space.
8. the anti-earth's surface of self-equilibrating door frame according to claim 1 and 2 deformation experiment device, it is characterized in that: described door frame back timber (a) is " work " tee beam structure, and there is the end plate being connected with described door frame post I (b) and door frame post II (c) at the two ends of door frame back timber (a); Described door frame post I (b) and door frame post II (c) are " work " font rod structures.
9. the anti-earth's surface of self-equilibrating door frame according to claim 2 deformation experiment device, it is characterized in that: the described pin (e) of tucking in is by tucking in socle I (e1) and tucking in socle II (e2) perpendicular rigid " L " shape connector that is formed by connecting, tuck in the connecting end surface I (e4) in socle I (e1) outside and tuck in connecting end surface II (e5) the formation right angle corner in socle II (e2) outside, in described connecting end surface I (e4) and connecting end surface II (e5), have multiple connecting holes (10).
10. the anti-earth's surface of self-equilibrating door frame according to claim 9 deformation experiment device, is characterized in that: described tuck in socle I (e1) and tuck between the inner side of socle II (e2) be fixed with floor (e3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859149.6U CN203643271U (en) | 2013-12-24 | 2013-12-24 | Self-balancing portal surface-deformation-resistant experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320859149.6U CN203643271U (en) | 2013-12-24 | 2013-12-24 | Self-balancing portal surface-deformation-resistant experimental device |
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| CN203643271U true CN203643271U (en) | 2014-06-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698219A (en) * | 2013-12-24 | 2014-04-02 | 中国矿业大学 | Experimental apparatus for resistance to surface deformation of self-balancing portal |
| CN109686214A (en) * | 2019-01-03 | 2019-04-26 | 中国矿业大学(北京) | A kind of surface movement and deformation simulation experiment platform |
-
2013
- 2013-12-24 CN CN201320859149.6U patent/CN203643271U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698219A (en) * | 2013-12-24 | 2014-04-02 | 中国矿业大学 | Experimental apparatus for resistance to surface deformation of self-balancing portal |
| CN103698219B (en) * | 2013-12-24 | 2015-11-11 | 中国矿业大学 | Self-equilibrating door frame anti-earth's surface deformation experiment device |
| CN109686214A (en) * | 2019-01-03 | 2019-04-26 | 中国矿业大学(北京) | A kind of surface movement and deformation simulation experiment platform |
| CN109686214B (en) * | 2019-01-03 | 2023-12-01 | 中国矿业大学(北京) | Simulation experiment platform for ground surface movement deformation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141224 |
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| EXPY | Termination of patent right or utility model |