CN214832706U - Deep basal pit secondary excavation and supporting construction structure - Google Patents
Deep basal pit secondary excavation and supporting construction structure Download PDFInfo
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- CN214832706U CN214832706U CN202120366401.4U CN202120366401U CN214832706U CN 214832706 U CN214832706 U CN 214832706U CN 202120366401 U CN202120366401 U CN 202120366401U CN 214832706 U CN214832706 U CN 214832706U
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Abstract
The utility model discloses a deep basal pit secondary excavation and supporting construction structure, including the collateral branch backplate, the last fixed surface of collateral branch backplate is connected with fixed hinge, fixed hinge under the lower fixed surface of collateral branch backplate is connected with. The utility model discloses, through setting up horizontal bolt-up mechanism, can carry out nimble concatenation to supporting construction's unit, the adaptability of supporting construction structure has been improved, structure that can splice about through setting up, along with continuous excavation of deep basal pit, supporting construction's extension can in time be carried out, telescopic machanism through setting up the horizontal direction, can carry out the adaptability adjustment according to the sectional area change of foundation ditch, the security and the reliability of using have been improved, through setting up fore-and-aft telescopic machanism, supporting construction can carry out the adaptability change according to the curvature of foundation ditch, make supporting construction and foundation ditch inner wall's laminating degree more perfect, the structural stability of foundation ditch has been improved.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a deep basal pit secondary excavation and supporting construction structure.
Background
The deep foundation pit refers to a project which has an excavation depth of more than 5 meters (including 5 meters), or has a depth of less than 5 meters, but has particularly complicated geological conditions, surrounding environments and underground pipelines.
When the building foundation pit is constructed, in order to ensure the construction safety and prevent the occurrence of collapse accidents, support measures must be taken for the excavated building foundation pit. The design and construction of the building foundation pit support should comprehensively consider factors such as engineering geology and hydrogeology conditions, the type of the foundation pit, the excavation depth of the foundation pit, drainage conditions, the requirement of the peripheral environment on the displacement of the side wall of the foundation pit, the peripheral load of the foundation pit, the construction season, the service life of the support structure and the like, and reasonable design, elaborate construction and economic safety are achieved.
The excavation difficulty of the deep foundation pit is high, and excavation can be completed for multiple times, so that the secondary excavation and supporting construction structure of the deep foundation pit commonly used at present is generally a rigid connection structure, the supporting section can not change along with the construction process after the secondary excavation and supporting construction structure is used, and the construction auxiliary effect of convenience, convenience and good supporting effect can not be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the deep basal pit secondary excavation and supporting construction structure who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a secondary excavation and supporting construction structure of a deep foundation pit comprises a side branch protection plate, wherein the upper surface of the side branch protection plate is fixedly connected with an upper fixing hinge, the lower surface of the side branch protection plate is fixedly connected with a lower fixing hinge, and the side branch protection plate is movably connected with a longitudinal expansion piece through the upper fixing hinge and the lower fixing hinge;
the utility model discloses a lateral protection plate, including collateral branch backplate, left surface fixedly connected with first side fixed hinge, right side fixed hinge, lateral branch backplate, lateral branch fixed hinge, lateral branch, and lateral branch.
As a further description of the above technical solution:
the inside of vertical expansion bend extends to the top swing joint and has last telescopic link, the upper end fixedly connected with of going up the telescopic link moves about the hinge.
As a further description of the above technical solution:
the inside of vertical expansion bend extends to below swing joint has lower telescopic link, the lower movable hinge of lower telescopic link's lower fixedly connected with.
As a further description of the above technical solution:
the inside of horizontal expansion bend extends to left swing joint has left telescopic link, left telescopic link's left end fixedly connected with right activity hinge.
As a further description of the above technical solution:
the inside of horizontal expansion bend extends to right-hand swing joint and has right telescopic link, the right-hand member fixedly connected with right movable hinge of right telescopic link.
As a further description of the above technical solution:
the upper movable hinge of the longitudinal expansion piece is movably connected with the lower fixed hinge of the upper side protection plate through a pin shaft, and the lower movable hinge of the longitudinal expansion piece is movably connected with the upper fixed hinge of the lower side protection plate through a pin shaft.
As a further description of the above technical solution:
the left movable hinge of the transverse expansion piece is fixedly connected with the second side fixed hinge of the side branch protection plate through a fastening bolt and a fastening nut, and the right movable hinge of the transverse expansion piece is fixedly connected with the first side fixed hinge of the side branch protection plate through a fastening bolt and a fastening nut.
As a further description of the above technical solution:
the number of the side branch guard plate, the number of the transverse expansion pieces and the number of the longitudinal expansion pieces are a plurality, and the side branch guard plate, the transverse expansion pieces and the longitudinal expansion pieces are evenly distributed on the inner wall of the deep foundation pit.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this deep basal pit secondary excavation and supporting construction structure through setting up horizontal bolt-up mechanism, can carry out nimble concatenation to supporting construction's unit, has improved supporting construction structure's adaptability.
2. Compared with the prior art, this deep basal pit secondary excavation and supporting construction structure through setting up the structure that can splice from top to bottom, along with the continuous excavation of deep basal pit, can in time carry out supporting construction's expansion.
3. Compared with the prior art, this kind of deep basal pit secondary excavation and supporting construction structures through setting up the telescopic machanism of horizontal direction, can carry out the adaptability adjustment according to the sectional area change of foundation ditch, has improved security and the reliability of using.
4. Compared with the prior art, this deep basal pit secondary excavation and supporting construction structure through setting up fore-and-aft telescopic machanism, and supporting construction can carry out the adaptability according to the curvature of foundation ditch and change, makes supporting construction and foundation ditch inner wall's laminating degree more perfect, has improved the structural stability of foundation ditch.
Drawings
Fig. 1 is a schematic view of the overall structure of a deep foundation pit secondary excavation and supporting construction structure provided by the utility model;
fig. 2 is a front view of a deep foundation pit secondary excavation and supporting construction structure provided by the utility model;
fig. 3 is a right side view of the deep foundation pit secondary excavation and supporting construction structure provided by the utility model;
fig. 4 is a top view of the deep foundation pit secondary excavation and supporting construction structure provided by the utility model;
fig. 5 is the utility model provides a deep basal pit secondary excavation and supporting construction structure's bottom view.
Illustration of the drawings:
1. a side branch guard plate; 2. a transverse expansion device; 3. a longitudinal expansion device; 4. a pin shaft; 5. a hinge is fixed; 6. a hinge is fixed at the lower part; 7. an upper movable hinge; 8. a lower movable hinge; 9. an upper telescopic rod; 10. a lower telescopic rod; 11. fastening a bolt; 12. fastening a nut; 13. a left telescoping rod; 14. a right telescopic rod; 15. a left movable hinge; 16. a right movable hinge; 17. the hinge is fixed on the first side; 18. the second side is fixed with a hinge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the utility model provides a pair of deep basal pit secondary excavation and supporting construction structure: comprises a collateral protection plate 1 which is directly contacted with the inner wall of a foundation pit to improve the supporting force, the upper surface of the collateral protection plate 1 is fixedly connected with an upper fixed hinge 5, the lower surface of the collateral protection plate 1 is fixedly connected with a lower fixed hinge 6, the collateral protection plate 1 is movably connected with a longitudinal expansion device 3 through the upper fixed hinge 5 and the lower fixed hinge 6, the inner part of the longitudinal expansion device 3 extends to the upper part and is movably connected with an upper telescopic rod 9, the upper end of the upper telescopic rod 9 is fixedly connected with an upper movable hinge 7, the inner part of the longitudinal expansion device 3 extends to the lower part and is movably connected with a lower telescopic rod 10, the lower end of the lower telescopic rod 10 is fixedly connected with a lower movable hinge 8, the upper movable hinge 7 of the longitudinal expansion device 3 is movably connected with the lower fixed hinge 6 of the collateral protection plate 1 above through a pin shaft 4, the lower movable hinge 8 of the longitudinal expansion device 3 is movably connected with the upper fixed hinge 5 of the collateral protection plate 1 below through a pin shaft 4, for adjusting the distance and angle between the upper and lower side supporting plates 1,
a first side fixed hinge 17 is fixedly connected to the rear side surface of the side branch protection plate 1 close to the left side surface, a second side fixed hinge 18 is fixedly connected to the rear side surface of the side branch protection plate 1 close to the right side surface, a transverse expansion piece 2 is fixedly connected to the side branch protection plate 1 through a first side fixed hinge 17 and a second side fixed hinge 18, a left telescopic rod 13 is movably connected to the inner part of the transverse expansion piece 2 extending to the left side, a right movable hinge 16 is fixedly connected to the left side of the left telescopic rod 13, a right telescopic rod 14 is movably connected to the inner part of the transverse expansion piece 2 extending to the right side, a right movable hinge 16 is fixedly connected to the right end of the right telescopic rod 14, a left movable hinge 15 of the transverse expansion piece 2 is fixedly connected to the second side fixed hinge 18 of the side branch protection plate 1 through a fastening bolt 11 and a fastening nut 12, a right movable hinge 16 of the transverse expansion piece 2 is fixedly connected to the first side fixed hinge 17 of the side branch protection plate 1 through a fastening bolt 11 and a fastening nut 12, for adjusting the angle and spacing between adjacent side branch protective plates 1.
The number of collateral branch backplate 1, horizontal expansion bend 2 and vertical expansion bend 3 has a plurality of, and evenly arranges at the inner wall of deep basal pit for guarantee that the deep basal pit inner wall receives even supporting force effect.
The working principle is as follows: when the side branch protective plate fixing device is used, a side branch protective plate 1 is fixed at the edge of an upper opening of a deep foundation pit, then a transverse expansion piece 2 is fixed at the other end of the transverse expansion piece 2 according to the trend of the inner wall of the deep foundation pit through a fastening bolt 11 and a fastening nut 12, a side branch protective plate 1 with a certain angle is fixed at the other end of the transverse expansion piece 2 through the fastening bolt 11 and the fastening nut 12, the side branch protective plate 1 and the transverse expansion piece 2 are fixed in sequence according to the mode until the upper opening end of the deep foundation pit is encircled into a ring, then the expansion link of the transverse expansion piece 2 is adjusted to lead the ring to be regular, then a longitudinal expansion piece 3 is movably connected at a lower fixed hinge 6 of each side branch protective plate 1 through a pin shaft 4, then the lower movable end of the longitudinal expansion piece 3 is movably connected with a corresponding number of side branch protective plates 1 through pin shafts 4, and then each side branch protective plate 1 is fixedly connected through the transverse expansion piece 2 according to the same mode, and the extension of the telescopic rod of the transverse expansion device 2 is adjusted to enable the whole supporting structure to be more attached to the inner wall of the deep foundation pit, and the supporting structure is continuously excavated and expanded along with the deep foundation pit, so that a good construction supporting effect can be achieved on the deep foundation pit.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a deep basal pit secondary excavation and supporting construction structures, includes collateral branch backplate (1), its characterized in that: the upper surface of the side branch protection plate (1) is fixedly connected with an upper fixing hinge (5), the lower surface of the side branch protection plate (1) is fixedly connected with a lower fixing hinge (6), and the side branch protection plate (1) is movably connected with a longitudinal expansion piece (3) through the upper fixing hinge (5) and the lower fixing hinge (6);
the utility model discloses a lateral protection plate, including collateral branch backplate (1), the trailing flank of collateral branch backplate (1) just is close to the fixed hinge (17) in first side of left flank fixedly connected with, the trailing flank of collateral branch backplate (1) just is close to the fixed hinge (18) in right flank fixedly connected with second side, collateral branch backplate (1) is through the fixed hinge (17) in first side and the horizontal expansion bend (2) of the fixed hinge (18) fixedly connected with in second side.
2. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the inner part of the longitudinal expansion piece (3) extends to the upper part and is movably connected with an upper expansion rod (9), and an upper movable hinge (7) is fixedly connected with the upper end of the upper expansion rod (9).
3. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the inner part of the longitudinal expansion piece (3) extends to the lower part and is movably connected with a lower expansion rod (10), and the lower end of the lower expansion rod (10) is fixedly connected with a lower movable hinge (8).
4. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the inside of horizontal expansion bend (2) extends to left swing joint has left telescopic link (13), the left end fixedly connected with right activity hinge (16) of left telescopic link (13).
5. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the inside of horizontal expansion bend (2) extends to right-hand swing joint and has right telescopic link (14), the right-hand member fixedly connected with right movable hinge (16) of right telescopic link (14).
6. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the upper movable hinge (7) of the longitudinal expansion piece (3) is movably connected with the lower fixed hinge (6) of the side support plate (1) above through a pin shaft (4), and the lower movable hinge (8) of the longitudinal expansion piece (3) is movably connected with the upper fixed hinge (5) of the side support plate (1) below through the pin shaft (4).
7. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the left movable hinge (15) of the transverse expansion piece (2) is fixedly connected with the second side fixed hinge (18) of the side branch protection plate (1) through a fastening bolt (11) and a fastening nut (12), and the right movable hinge (16) of the transverse expansion piece (2) is fixedly connected with the first side fixed hinge (17) of the side branch protection plate (1) through the fastening bolt (11) and the fastening nut (12).
8. The secondary excavation and supporting construction structure of the deep foundation pit according to claim 1, characterized in that: the number of the side branch guard plates (1), the number of the transverse expansion pieces (2) and the number of the longitudinal expansion pieces (3) are a plurality, and the side branch guard plates, the transverse expansion pieces and the longitudinal expansion pieces are evenly distributed on the inner wall of the deep foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366401.4U CN214832706U (en) | 2021-02-08 | 2021-02-08 | Deep basal pit secondary excavation and supporting construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366401.4U CN214832706U (en) | 2021-02-08 | 2021-02-08 | Deep basal pit secondary excavation and supporting construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214832706U true CN214832706U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120366401.4U Active CN214832706U (en) | 2021-02-08 | 2021-02-08 | Deep basal pit secondary excavation and supporting construction structure |
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| Country | Link |
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| CN (1) | CN214832706U (en) |
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2021
- 2021-02-08 CN CN202120366401.4U patent/CN214832706U/en active Active
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