CN216739660U - Safety support device for deep foundation pit excavation - Google Patents
Safety support device for deep foundation pit excavation Download PDFInfo
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- CN216739660U CN216739660U CN202220189362.XU CN202220189362U CN216739660U CN 216739660 U CN216739660 U CN 216739660U CN 202220189362 U CN202220189362 U CN 202220189362U CN 216739660 U CN216739660 U CN 216739660U
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Abstract
The utility model relates to the technical field of deep foundation pit excavation, in particular to a safety support device for deep foundation pit excavation, which comprises a bored pile and a cast-in-place pile, wherein the cast-in-place pile is arranged on the inner side of the bored pile, a support protection structure is arranged on the inner side and the outer side of the cast-in-place pile, the support protection structure comprises a vertical column pile, a drilling machine is used for drilling, then concrete is injected into the bored pile to reliably manufacture the bored pile, a first steel support and the bored pile are reliably connected through a crown beam to avoid personnel injury caused by collapse of a top-side earthwork, the cast-in-place pile, a bracket and the vertical column pile are formed by casting the concrete into a reinforcement cage, a second support plate and a third support plate are arranged at the top end of the bracket, so that the first steel support, the second steel support and the third steel support reliably support the bored pile and the cast-in-place pile, the foundation pit concrete pile is prevented from being extruded by the earthwork on the outer side of the foundation pit to damage and deform, and a waterproof plate is reliable and can prevent the inner wall of the deep foundation pit from being waterproof plate, avoid the earthwork to constantly seep water in to the foundation ditch along with the foundation ditch excavation, increase the practicality of device.
Description
Technical Field
The utility model relates to the technical field of deep foundation pit excavation, in particular to a safety support device for deep foundation pit excavation.
Background
The foundation pit is a soil pit excavated at the design position of a foundation according to the elevation of the foundation and the plane size of the foundation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof drainage work is performed, the soil slope is stabilized by using a method of placing a side slope when excavation is not deep, and the gradient of the soil slope is determined according to relevant construction regulations.
The peripheral spud pile that does not have when the foundation ditch is initially excavated, the top side collapses easily and causes the accident, and after later stage foundation ditch excavation was accomplished, the earthwork produced the side pressure on every side, damages the spud pile easily to destroy the deep basal pit of excavating the completion, the continuous outside infiltration of while foundation ditch lateral wall is unfavorable for staff to launch work, along with the foundation ditch constantly excavates the inner wall and widens in addition, constantly changes the waterproof board and wastes time and energy, reduces work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safety support device for excavating a deep foundation pit, which aims to solve the problems of easy damage of the foundation pit and water seepage of the pit wall in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a safety support device for deep basal pit excavates, includes bored concrete pile and bored concrete pile, bored concrete pile's inboard is provided with the bored concrete pile, bored concrete pile's inboard and outside are provided with support protective structure, it contains the stand stake to support protective structure, and the stand stake is located the inboard of bored concrete pile, the one end of bored concrete pile is provided with the bracket, the outside of stand stake is provided with the second steel shotcrete, the outside of stand stake is provided with the third steel shotcrete, and second steel shotcrete and third steel shotcrete respectively with the bracket laminating, the top of stand stake is provided with first steel shotcrete, both ends are provided with the hat beam about the first steel shotcrete, and the hat beam is located the top of bored concrete pile and laminates with bored concrete pile, the one end of bored concrete pile is provided with the waterproof board.
Preferably, the one end of waterproof board is provided with the mounting panel, the one end fixedly connected with slide bar of waterproof board, and slide bar and mounting panel sliding connection, the one end fixedly connected with button of mounting panel, and button and sliding plate sliding connection, the top fixedly connected with push rod of sliding plate, the one end fixedly connected with fixed plate of mounting panel, and the fixed plate is supported with second steel respectively, third steel and soil layer laminating, the inboard screwed connection of fixed plate has the bolt, and the bolt supports with second steel respectively, third steel and soil layer screwed connection.
Preferably, the top end inner side of the sliding plate is uniformly provided with jacks, the button is in sliding connection with the sliding plate through the jacks, the inner side of one end of the mounting plate is provided with a sliding groove, and the sliding strip is in sliding connection with the mounting plate through the sliding groove.
Preferably, the length of the sliding plate is smaller than that of the mounting plate.
Preferably, the bracket is a beam support which supports the second steel support and the third steel support respectively.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, the deep foundation pit can be reliably supported and protected by the waterproof plate, the upright post pile, the cast-in-place pile, the drilled pile, the first steel support, the second steel support, the third steel support, the bracket, the crown beam and the waterproof plate, and the water seepage of the inner wall of the foundation pit is avoided at the same time, the drilled pile is reliably manufactured by injecting concrete after the drilling of the drilling machine, the first steel support and the drilled pile are reliably connected through the crown beam along with downward stepped excavation, personnel injury caused by collapse of the top-side earthwork is avoided, the cast-in-place pile, the bracket and the upright post pile are formed by pouring concrete in the reinforcement cage, the second support plate and the third support plate are arranged at the top end of the bracket, so that the first steel support, the second steel support and the third steel support are sequentially distributed from top to bottom and reliably support the drilled pile and the cast-in-place pile, the concrete pile of the foundation pit is prevented from being extruded by the earthwork outside the foundation pit to be damaged and deformed, and the waterproof plate can reliably prevent the inner wall of the foundation pit from being waterproofed, avoid the earthwork to constantly seep water in to the foundation ditch along with the foundation ditch excavation, increase the practicality of device.
2. According to the utility model, through the arrangement of the button, the sliding plate, the sliding strip, the mounting plate, the waterproof plate, the bolt and the push rod, the width of the waterproof plate can be adjusted along with continuous excavation of the foundation pit, the waterproof plate is ensured to prevent the inner wall of the foundation pit from seeping outwards, when the width of the waterproof plate needs to be increased along with excavation, the button is pressed to withdraw from the sliding plate, the waterproof plate is pushed by the push rod to increase the exposed width under the matching of the sliding plate and the sliding strip which are respectively in sliding connection with the mounting plate, so that the inner wall of the foundation pit is reliably waterproof, the mounting plate and the waterproof plate are conveniently assembled and disassembled through the screw connection of the bolt and the fixing plate, and the practicability of the device is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention.
In the figure: 1-bored pile, 2-crown beam, 3-first steel support, 4-bracket, 5-upright pile, 6-cast-in-place pile, 7-second steel support, 8-third steel support, 9-waterproof plate, 10-sliding strip, 11-mounting plate, 12-sliding plate, 13-push rod, 14-button, 15-fixing plate and 16-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a safety support device for deep basal pit excavates, including bored concrete pile 1 and bored concrete pile 6, the inboard of bored concrete pile 1 is provided with bored concrete pile 6, the inboard and the outside of bored concrete pile 6 are provided with support protective structure, it contains upright post 5 to support protective structure, and upright post 5 is located the inboard of bored concrete pile 6, the one end of bored concrete pile 6 is provided with bracket 4, the outside of upright post 5 is provided with second steel shotcrete 7, the outside of upright post 5 is provided with third steel shotcrete 8, and second steel shotcrete 7 and third steel shotcrete 8 laminate with bracket 4 respectively, the top of upright post 5 is provided with first steel shotcrete 3, both ends are provided with hat beam 2 about first steel shotcrete 3, and hat beam 2 is located the top of bored concrete pile 6 and laminates with bored concrete pile 1, the one end of bored concrete pile 6 is provided with waterproof board 9.
One end of a waterproof board 9 is provided with an installation board 11, one end of the waterproof board 9 is fixedly connected with a sliding strip 10, the sliding strip 10 is in sliding connection with the installation board 11, one end of the installation board 11 is fixedly connected with a button 14, the button 14 is in sliding connection with a sliding board 12, the top end of the sliding board 12 is fixedly connected with a push rod 13, one end of the installation board 11 is fixedly connected with a fixing board 15, the fixing board 15 is respectively attached to a second steel support 7, a third steel support 8 and a soil layer, the inner side of the fixing board 15 is spirally connected with a bolt 16, and the bolt 16 is respectively spirally connected with the second steel support 7, the third steel support 8 and the soil layer, so that the waterproof board 9 is ensured to be along with the excavation of a foundation pit in the using process, and the foundation pit is reliably waterproof; jacks are uniformly arranged on the inner side of the top end of the sliding plate 12, the button 14 is in sliding connection with the sliding plate 12 through the jacks, a sliding groove is arranged on the inner side of one end of the mounting plate 11, the sliding strip 10 is in sliding connection with the mounting plate 11 through the sliding groove, and reliable fixing and stable sliding of the waterproof plate 9 are guaranteed in the using process; the length of the sliding plate 12 is smaller than that of the mounting plate 11, so that the sliding plate 12 can reliably slide on the inner side of the mounting plate 11 in the using process, and the mounting plate 11 is prevented from being divided into two parts due to penetration of the sliding plate 12; the bracket 4 is a beam support and supports the second steel support 7 and the third steel support 8 respectively, and reliable support of the second steel support 7 and the third steel support 8 is guaranteed in the using process.
The working process is as follows: the device can reliably support and protect the deep foundation pit and simultaneously avoid water seepage on the inner wall of the foundation pit, when the deep foundation pit is excavated, firstly, a drill rig drills holes on two sides, concrete is injected into the holes to form drilled piles 1, a first steel support 3 and the drilled piles 1 are connected through a crown beam 2 along with downward stepped stepwise excavation, personnel injury caused by collapse of top earthwork is avoided, after the excavation of the foundation pit is finished, a reinforcement cage is tied at the inner side of the drilled piles 1, the cast-in-place concrete forms cast-in-place piles 6 and corbels 4, finally, the reinforcement cage is tied at the inner side of the cast-in-place piles 6 to form upright piles 5, a second support plate and a third support plate are arranged at the top ends of the corbels 4, so that the first steel support 3, the second steel support 7 and the third steel support 8 are sequentially distributed from top to bottom and reliably support the drilled piles 1 and the cast-in-place piles, and the concrete piles are prevented from being extruded by the earthwork outside the foundation pit and damaged and deformed, simultaneously waterproof board 9 is reliably waterproof to deep basal pit inner wall, avoid the earthwork to constantly seep water in to the foundation ditch along with the excavation of foundation ditch, in addition can be along with the constantly excavation adjustment waterproof board 9 width of foundation ditch, guarantee that waterproof board 9 prevents the outside infiltration of foundation ditch inner wall, when need increase waterproof board 9 width along with excavating, press button 14 to withdraw from sliding plate 12 with it, under sliding plate 12 and sliding strip 10 respectively with mounting panel 11 sliding connection's cooperation, promote waterproof board 9 through push rod 13 and increase and expose the width, thereby reliably waterproof to the foundation ditch inner wall, through 16 and the convenient loading and unloading of the screw connection of fixed plate 15 to mounting panel 11 and waterproof board 9 of bolt.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a safety support device for deep basal pit excavates, includes bored pile (1) and bored concrete pile (6), its characterized in that: the inner side of the bored pile (1) is provided with a cast-in-place pile (6), the inner side and the outer side of the cast-in-place pile (6) are provided with a supporting and protecting structure, the supporting and protecting structure comprises a vertical column pile (5), and the upright post pile (5) is positioned at the inner side of the cast-in-place pile (6), one end of the cast-in-place pile (6) is provided with a bracket (4), a second steel support (7) is arranged on the outer side of the upright post pile (5), a third steel support (8) is arranged on the outer side of the upright post pile (5), and the second steel support (7) and the third steel support (8) are respectively attached to the bracket (4), a first steel support (3) is arranged at the top end of the upright post pile (5), crown beams (2) are arranged at the left end and the right end of the first steel support (3), and the crown beam (2) is positioned at the top end of the cast-in-place pile (6) and is attached to the bored pile (1), and a waterproof plate (9) is arranged at one end of the cast-in-place pile (6).
2. A safety support device for excavation of a deep foundation pit according to claim 1, wherein: the one end of waterproof board (9) is provided with mounting panel (11), the one end fixedly connected with slide bar (10) of waterproof board (9), and slide bar (10) and mounting panel (11) sliding connection, the one end fixedly connected with button (14) of mounting panel (11), and button (14) and slide plate (12) sliding connection, the top fixedly connected with push rod (13) of slide plate (12), the one end fixedly connected with fixed plate (15) of mounting panel (11), and fixed plate (15) laminate with second steel shotcrete (7), third steel shotcrete (8) and soil layer respectively, the inboard screwed connection of fixed plate (15) has bolt (16), and bolt (16) support (7), third steel shotcrete (8) and soil layer screwed connection with the second steel shotcrete (7) respectively.
3. A safety support device for excavation of a deep foundation pit according to claim 2, wherein: the inner side of the top end of the sliding plate (12) is uniformly provided with jacks, the button (14) is in sliding connection with the sliding plate (12) through the jacks, the inner side of one end of the mounting plate (11) is provided with a sliding groove, and the sliding strip (10) is in sliding connection with the mounting plate (11) through the sliding groove.
4. A safety support device for excavation of a deep foundation pit according to claim 2, wherein: the length of the sliding plate (12) is smaller than that of the mounting plate (11).
5. A safety support device for excavation of a deep foundation pit according to claim 1, wherein: the bracket (4) is a beam support and supports the second steel support (7) and the third steel support (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189362.XU CN216739660U (en) | 2022-01-24 | 2022-01-24 | Safety support device for deep foundation pit excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189362.XU CN216739660U (en) | 2022-01-24 | 2022-01-24 | Safety support device for deep foundation pit excavation |
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| Publication Number | Publication Date |
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| CN216739660U true CN216739660U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220189362.XU Active CN216739660U (en) | 2022-01-24 | 2022-01-24 | Safety support device for deep foundation pit excavation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506384A (en) * | 2022-11-23 | 2022-12-23 | 成都理工大学 | Quick layering device for ice water accumulation layer |
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2022
- 2022-01-24 CN CN202220189362.XU patent/CN216739660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506384A (en) * | 2022-11-23 | 2022-12-23 | 成都理工大学 | Quick layering device for ice water accumulation layer |
| CN115506384B (en) * | 2022-11-23 | 2023-03-17 | 成都理工大学 | Quick layering device for ice water accumulation layer |
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