CN219280717U - Novel pull-press combined type detachable spiral drill pipe diagonal bracing structure - Google Patents
Novel pull-press combined type detachable spiral drill pipe diagonal bracing structure Download PDFInfo
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- CN219280717U CN219280717U CN202320066179.5U CN202320066179U CN219280717U CN 219280717 U CN219280717 U CN 219280717U CN 202320066179 U CN202320066179 U CN 202320066179U CN 219280717 U CN219280717 U CN 219280717U
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Abstract
The utility model relates to the technical field of deep foundation pit support, in particular to a novel pull-press combined type detachable spiral drill pipe diagonal bracing structure. The diagonal bracing structure comprises a crown beam connecting support, a diagonal bracing pipe, a detachable connecting device and a spiral drill pipe pile which are sequentially connected from top to bottom; the crown beam connecting support is used for being detachably connected with the crown beam; one end of the diagonal bracing pipe is detachably connected with the crown beam connecting support, and the other end of the diagonal bracing pipe is detachably connected with the spiral drill pipe pile through the detachable connecting device. The inclined strut structure can ensure the stability of the structure in the process of excavation of the foundation pit, and the problem that the general internal support does not have the anti-pulling capability is solved by utilizing the remarkable anti-compression and anti-pulling capability of the spiral drill pipe pile, so that the stability of the later-stage underground structure in the use process can be ensured; meanwhile, the inclined support pipe can be disassembled in the later period and then recycled, so that the engineering cost is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to a novel pull-press combined type detachable spiral drill pipe diagonal bracing structure.
Background
In recent years, with the acceleration of the development process of urban construction and the rapid growth of socioeconomic performance in China, basic ground space construction cannot meet the current multi-level, three-dimensional and large-scale requirements of modern urban space, and urban architecture in China starts to develop towards deep patterns, namely, high-rise buildings, tower buildings, even skyscrapers, underground garage markets, subway tunnels and the like on the ground, so that deep foundation pit supporting systems are greatly developed.
In the current engineering application, the commonly used foundation pit supporting structure is a foundation pit guard pile and inner supporting form, and the common inner supporting structure adopts steel supports, reinforced concrete supports and the like.
However, the reinforced concrete internal support is not beneficial to the project with a tighter construction period, and the support part above the elevation of the bottom of the foundation pit is difficult to recycle after being removed, so that the resource waste and the cost increase are caused;
the inner support of the steel structure is influenced by material limitation and the like, has defects in the aspect of deformation control, and particularly in a complex surrounding environment, the single horizontal steel support form is difficult to meet the safety requirement of a foundation pit; moreover, the inner support forms of the steel supports and the reinforced concrete supports do not have the function of the anti-pulling piles, and can not provide anti-pulling force when the underground structure floats upwards due to rising of the underground water level, so that the stability of the underground structure can not be effectively guaranteed, and construction hidden danger is caused.
Disclosure of Invention
In order to solve the defects of the prior art mentioned in the background art, the utility model provides a novel pull-press combined type detachable spiral drill pipe diagonal bracing structure, which has the following technical scheme:
the novel pull-press combined type detachable spiral drill pipe diagonal bracing structure comprises a crown beam connecting support, a diagonal bracing pipe, a detachable connecting device and a spiral drill pipe pile which are sequentially connected from top to bottom; the crown beam connecting support is used for being detachably connected with the crown beam; one end of the diagonal bracing pipe is detachably connected with the crown beam connecting support, and the other end of the diagonal bracing pipe is detachably connected with the spiral drill pipe pile through a detachable connecting device.
In an embodiment, the screw drill pipe pile is provided with a water stop plate at an upper part near the inclined support pipe, so that the water stop plate is positioned below the detachable connection device when the inclined support pipe is connected with the screw drill pipe pile.
In one embodiment, the water stop plate is of a flat plate structure; the plane of the water stop plate is arranged at a certain included angle with the axial direction of the spiral drill pipe pile, so that when the spiral drill pipe pile is obliquely inserted into foundation soil, the plane of the water stop plate is horizontal.
In an embodiment, a certain distance is arranged between the detachable connection device and the water stop plate, so that the spiral drill pipe pile penetrates through the bottom plate arranged at the top of the foundation soil body and is positioned above the top surface of the bottom plate when inserted into the foundation soil body, and the water stop plate is positioned in the elevation range formed by the top surface of the bottom plate and the bottom surface of the bottom plate.
In one embodiment, the crown beam connection support is detachably connected with the crown beam through a first connection structure; the upper end of the inclined supporting pipe is connected with the crown beam connecting support through a second connecting structure.
In one embodiment, the detachable connection means is a flange connection means.
In one embodiment, the flange connection device comprises a flange plate and a plurality of bolts; the flange comprises a first flange and a second flange; the lower end of the inclined support pipe is connected with a first flange, and the upper end of the spiral drill pipe pile is connected with a second flange; the edges of the first flange plate and the second flange plate are correspondingly provided with a plurality of through holes, a plurality of bolts are matched with the through holes, and the bolts penetrate through the through holes so that the first flange plate and the second flange plate are in fastening connection.
In one embodiment, the flange connection device further comprises a flange pad; one side that first ring flange and second ring flange are close to each other is equipped with the flange pad, and first ring flange, second ring flange and flange pad's edge all have offered a plurality of through-holes corresponding, and the bolt wears to locate in the through-hole in order to make first ring flange and second ring flange fastening connection.
In an embodiment, the edges of the first flange, the second flange and the flange pad are all uniformly provided with a plurality of through holes along the circumferential direction.
Based on the above, compared with the prior art, the novel pull-press combined type detachable spiral drill pipe diagonal bracing structure provided by the utility model has the following beneficial effects:
the diagonal bracing structure provided by the utility model can ensure the stability of the structure in the foundation pit excavation process, solves the problem that the general internal support does not have the anti-pulling capability by utilizing the remarkable anti-compression and anti-pulling capability of the spiral drill pipe pile, and can ensure the stability of the later-stage underground structure in the use process; meanwhile, the inclined support pipe can be disassembled in the later period and then recycled, so that the engineering cost is effectively reduced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
For a clearer description of embodiments of the utility model or of the solutions of the prior art, the drawings that are needed in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art; the positional relationships described in the drawings in the following description are based on the orientation of the elements shown in the drawings unless otherwise specified.
Fig. 1 is a schematic front view of a diagonal bracing structure in embodiment 1 provided by the present utility model;
fig. 2 is a schematic diagram of a connection structure between a foundation pit fender post and a crown beam in embodiment 1 provided by the utility model;
fig. 3 is a schematic structural view of a diagonal bracing structure in embodiment 1 provided by the present utility model;
fig. 4 is a schematic diagram of a connection structure of a crown beam connection support, a diagonal brace pipe and a crown beam in embodiment 1 provided by the present utility model;
FIG. 5 is a schematic structural view of a flange connection device in embodiment 1 according to the present utility model;
fig. 6 is a schematic view of the structure of the screw pile according to example 1 provided by the present utility model.
Reference numerals:
1. foundation pit guard piles; 2. a crown beam; 3. a bottom plate; 4. the crown beam is connected with the support; 5. a diagonal bracing tube; 6. spiral drill pipe piles; 7. a flange connection device; 8. a water stop plate; 9. a bolt; 10. and a flange plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model; the technical features designed in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that all terms used in the present utility model (including technical terms and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model belongs and are not to be construed as limiting the present utility model; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The utility model provides a novel pull-press combined type detachable spiral drill pipe diagonal bracing structure as shown in an embodiment 1 of figures 1-6:
the diagonal bracing structure comprises a crown beam connecting support 4, a diagonal bracing pipe 5, a detachable connecting device and a spiral drill pipe pile 6 which are sequentially connected from top to bottom; the crown beam connecting support 4 is used for being detachably connected with the crown beam 2; one end of the diagonal bracing pipe 5 is detachably connected with the crown beam connecting support 4, and the other end of the diagonal bracing pipe is detachably connected with the spiral drill pipe pile 6 through the detachable connecting device.
As shown in fig. 1-2, the deep foundation pit supporting structure is: the foundation pit fender post 1 surrounds the periphery of the foundation pit, the top of the foundation pit fender post 1 is provided with a crown beam 2, an inclined strut structure is arranged on the crown beam 2, one end of the inclined strut structure is inserted on a foundation soil body, and the other end of the inclined strut structure is used for propping up the crown beam 2 so as to support and support the crown beam 2. The utility model improves the diagonal bracing structure:
when in use, the diagonal bracing structure is driven into foundation soil before excavation of the foundation pit according to a certain angle, and before construction of the diagonal bracing structure, and (3) forming holes on the foundation soil body according to the preset position and the preset angle, wherein the depth of the formed holes reaches the elevation of the bottom surface of the foundation pit. And then lowering the spiral drill pipe pile 6 to the elevation of the bottom surface of the foundation pit: the turning of the screw rod piles 6 is started until the whole screw rod piles 6 are driven into the foundation soil, and the detachable connecting device is positioned above the preset elevation of the top surface of the bottom plate 2 so as to ensure that the diagonal bracing pipe 5 can be detached. After the construction of the crown beam 2, the crown beam connecting support 4 is connected with the crown beam 2, and the crown beam connecting support 4, the inclined strut pipe 5 and the spiral drill pipe pile 6 which is driven into the foundation soil body are sequentially connected to form the inclined strut structure shown in fig. 1 and 3. And then excavating, and pouring the bottom plate 2 after the foundation pit is excavated, so that the spiral drill pipe piles 6 penetrate through the bottom plate 2 and then are inserted into a foundation soil body. Because both ends of the inclined support pipe 5 are detachably connected, after the pouring construction of the bottom plate 2 is finished, the inclined support pipe 5 can be detached and recycled, and at the moment, the spiral drill pipe pile 6 is reserved in the bottom plate 2 and foundation soil.
The diagonal bracing structure provided by the utility model has the following action modes and action effects:
on the one hand, one end of the inclined support pipe 5 is detachably connected with the crown beam connecting support 4, and the other end of the inclined support pipe 5 is detachably connected with the spiral drill pipe pile 6 through a detachable connecting device, so that the fixed connection and the detachment of the inclined support pipe 5 are realized; after the pouring of the later-stage bottom plate 2 (namely the basement bottom plate 2) is completed, the inclined support pipe 5 can be detached, and the recycling of the inclined support pipe 5 is realized.
On the other hand, the lower end of the inclined strut pipe 5 is connected with the spiral drill pipe pile 6, the bearing capacity of the spiral drill pipe pile 6 is higher than that of a common supporting pile, spiral pipe pages are arranged on the outer surface of the spiral drill pipe pile 6, after the spiral drill pipe is piled, the pipe pages are utilized for cutting and extruding soil bodies to form compact biting force and passive soil pressure, the side wall friction of the spiral drill pipe pile 6 is obviously improved, the single pile bearing capacity of the spiral drill pipe pile 6 is greatly improved, and therefore stability in a foundation pit excavation process is guaranteed.
And, after the excavation of the foundation pit is finished, the spiral drill pipe pile 6 with higher bearing capacity is reserved because the inclined strut pipe 5 part of the inclined strut structure is disassembled and recycled. After the foundation pit is excavated, the spiral drill pipe pile 6 still remains in the foundation soil body, and plays a role of a pulling-resistant pile through connection with the bottom plate 2, and when the underground water level rises to cause the basement to float upwards, the spiral drill pipe pile 6 provides pulling-resistant force.
The diagonal bracing structure provided by the utility model can ensure the stability of the structure in the foundation pit excavation process, and solves the problem that the general internal support does not have the anti-pulling capability by utilizing the remarkable anti-compression and anti-pulling capability of the spiral drill pipe pile 6, so that the stability of the later-stage underground structure in the use process can be ensured; meanwhile, the inclined support pipe 5 can be disassembled in the later period and then recycled, so that the engineering cost is effectively reduced.
It should be noted that:
as shown in fig. 3, the conventional screw pile 6 includes an inner pipe and a plurality of pipe sheets spirally arranged on the outer surface of the inner pipe. In this embodiment, the diameter of the inner tube of the selected spiral drill pipe pile 6 is 100 mm, the diameter of the inner tube plus the diameter of the pipe sheet are 200 mm, and the material of the pipe sheet is high-quality alloy, so that the spiral drill pipe pile has high fatigue resistance and shearing resistance. Other types and sizes of existing auger piles 6 may also be used by those skilled in the art in light of the above design considerations, including but not limited to embodiment solutions.
The length parameters of the inclined support pipe 5, the detachable connecting device and the spiral drilling rod pile 6 can be adjusted according to actual construction conditions, so that the detachable connecting device is positioned above the preset elevation of the top surface of the bottom plate 2 when the whole spiral drilling rod pile 6 is driven into a foundation soil body, and two ends of the inclined support pipe 5 are just connected with the crown beam 2 connecting seat and the detachable connecting device.
Preferably, the screw pile 6 is provided with a water stop plate 8 near the upper part of the diagonal bracing pipe 5, so that the water stop plate 8 is positioned below the detachable connection device when the diagonal bracing pipe 5 is connected with the screw pile 6. Due to the design, a gap is inevitably formed at the connection position of the spiral drill pipe pile 6 and the bottom plate 2, and the water stop plate 8 can isolate groundwater so as to ensure that the waterproof function of the basement is not influenced at the connection position;
further preferably, the water stop plate 8 is of a flat plate structure; the plane of the water stop plate 8 and the axial direction of the spiral drill pipe pile 6 are arranged at a certain included angle, so that when the spiral drill pipe pile 6 is obliquely inserted into the foundation soil body, the plane of the water stop plate 8 is horizontal, namely, the plane is parallel to the bottom plate 2. By the design, the waterproof effect of the water stop plate 8 can be further improved.
Further preferably, a certain distance is provided between the detachable connection device and the water stop plate 8, so that the spiral drill pipe pile 6 penetrates through the bottom plate 2 arranged at the top of the foundation soil body and is positioned above the top surface of the bottom plate 2 when inserted into the foundation soil body, and the water stop plate 8 is positioned in the elevation range formed by the top surface of the bottom plate 2 and the bottom surface of the bottom plate 2.
The height of the water stop plate 8 is positioned in the elevation range formed by the top surface of the bottom plate 2 and the bottom surface of the bottom plate 2, so that the water stop plate 8 is ensured to be completely buried in the concrete of the bottom plate 2, and the water stop plate 8 can effectively isolate the groundwater above the bottom plate 2, so that the waterproof function of a basement is ensured not to be influenced at the connection position of the bottom plate 2 and the spiral drill pipe pile 6.
Preferably, as shown in fig. 4, the crown beam connection support 4 is detachably connected with the crown beam 2 through a first connection structure; the upper end of the diagonal bracing pipe 5 is connected with the crown beam connecting support 4 through a second connecting structure.
So designed, the crown beam 2 is connected with and disconnected from the crown beam connecting support 4 by the first connecting structure design; and through a second connection structure design, the upper end of the diagonal bracing tube 5 is connected with and detached from the crown beam connection support 4.
As shown in fig. 4, in the present embodiment, the first connection structure includes a bolt 9 and a bolt hole; the crown beam connecting support 4 is provided with a bolt hole, a bolt 9 matched with the crown beam 2 is pre-embedded on the crown beam, and the crown beam connecting support 4 is detachably connected through fastening the bolt hole and the bolt 9; the second connecting structure comprises a bolt 9 and a bolt hole; bolt holes are formed in the upper end of the inclined support pipe 5 and the crown beam connecting support 4, and the upper end of the inclined support pipe 5 and the crown beam connecting support 4 are screwed and fastened on the bolt holes of the inclined support pipe 5 and the crown beam connecting support 4 through bolts 9, so that the inclined support pipe 5 and the crown beam connecting support are detachably connected.
It should be noted that those skilled in the art may also use other types of first connection structures and second connection structures to achieve the detachable connection of the components, including but not limited to embodiment solutions.
Preferably, as shown in fig. 5, the detachable connection means is a flange connection means 7. Preferably, the flange connection means 7 comprise a flange plate 10 and a plurality of bolts 9; the flange 10 includes a first flange and a second flange; the lower end of the inclined strut pipe 5 is connected with a first flange, and the upper end of the spiral drill pipe pile 6 is connected with a second flange; the edges of the first flange plate and the second flange plate are correspondingly provided with a plurality of through holes, a plurality of bolts 9 are matched with a plurality of through holes, and the bolts 9 penetrate through the through holes so that the first flange plate is in fastening connection with the second flange plate.
The flange connecting device 7 not only can realize the fastening connection of the spiral drill pipe pile 6 and the inclined strut pipe 5, but also is a detachable connection, and can realize the subsequent disassembly and recycling of the inclined strut pipe 5; and the flange connection structure is connected and fastened, and simultaneously, the fastening connection operation is simple, convenient and quick, and the use of people is convenient.
Further preferably, as shown in fig. 5, the flange connection device 7 further comprises a flange pad; the flange pad is arranged on one side, close to each other, of the first flange plate and the second flange plate, a plurality of through holes are correspondingly formed in the edges of the first flange plate, the second flange plate and the flange pad, and bolts 9 penetrate through the through holes so that the first flange plate is fixedly connected with the second flange plate. Further preferably, the edges of the first flange, the second flange and the flange pad are all uniformly provided with a plurality of through holes along the circumferential direction thereof.
The flange pads and the through holes are uniformly distributed circumferentially, so that the connection tightness and stability of the flange connection structure are further improved.
The utility model also provides a construction method of the novel pull-press combined type detachable spiral drill pipe diagonal bracing structure, which comprises the following steps:
s1, constructing a foundation pit fender pile 1;
s2, assembling parts of the diagonal bracing structure to ensure stable connection of each connecting structure;
s3, pre-pore-forming of the spiral drill pipe pile 6 is carried out: pre-perforating the foundation soil body according to a preset position and a preset angle, wherein the pre-perforating is ensured to be constructed to the position of the bottom plate 2 according to the designed position and angle, namely, the perforating depth reaches the elevation of the bottom surface of the foundation pit;
s4, lowering the spiral drilling rod pile 6, and starting drilling construction of the spiral drilling rod pile 6 at the bottom surface of the foundation pit, wherein the drilling depth of the spiral drilling rod pile is required to ensure that the position of the water stop plate 8 is positioned in an elevation range formed by the top surface of the bottom plate 2 and the bottom surface of the bottom plate 2, and the detachable connecting device is positioned above the preset elevation of the top surface of the bottom plate 2;
s5, constructing the crown beam 2;
s6, connecting the crown beam 2 with the crown beam connecting support 4;
s7, connecting the crown beam connecting support 4 with the inclined strut pipe 5 and connecting the inclined strut pipe 5 with the spiral drill pipe pile 6 to form the inclined strut structure;
s8, excavating a foundation pit;
s9, constructing the bottom plate 2;
s10, support replacement is carried out: disassembling the inclined support pipe 5;
s11, recycling the inclined supporting tube 5.
The utility model provides a concrete implementation scheme of a construction method of the novel pull-press combined type detachable spiral drill pipe diagonal bracing structure, which aims at the novel pull-press combined type detachable spiral drill pipe diagonal bracing structure provided by the embodiment:
the method comprises the following steps:
s1, constructing a foundation pit fender post 1: the construction is strictly carried out according to the design construction drawing of the foundation pit guard pile 1, and if special conditions are met, the construction is required to be discussed and researched by related personnel in time for remedying; after pile forming, the foundation pit guard pile 1 is detected according to the technical specification of building pile foundation detection (UGJ 106-2014);
s2, assembling the diagonal bracing structure, namely firstly fixing a flange plate 10 at the lower end of the diagonal bracing pipe 5 and the upper end of the spiral drill pipe pile 6 respectively, then adding a flange pad between the two flange plates 10, then penetrating bolts 9 into through holes of the flange plates 10 for screwing, ensuring the stable connection between the diagonal bracing pipe 5 and the spiral drill pipe pile 6, and finally welding a water stop plate 8 at a preset position at the upper part of the spiral drill pipe pile 6;
s3, pre-pore-forming of the spiral drill pipe pile 6 is carried out: pre-perforating the foundation soil body according to a preset position and a preset angle, wherein the pre-perforating is ensured to be constructed to the position of the bottom plate 2 according to the designed position and angle, namely, the perforating depth reaches the elevation of the bottom surface of the foundation pit;
s4, lowering the spiral drilling rod pile 6, and starting drilling construction of the spiral drilling rod pile 6 at the bottom surface of the foundation pit, wherein the drilling depth of the spiral drilling rod pile is required to ensure that the position of the water stop plate 8 is positioned in an elevation range formed by the top surface of the bottom plate 2 and the bottom surface of the bottom plate 2, and the detachable connecting device is positioned above the preset elevation of the top surface of the bottom plate 2;
s5, constructing according to the construction process of the crown beam 2, namely excavating a foundation trench, treating a pile head, pouring a cushion layer at the bottom of the crown beam 2, constructing and paying off, installing a reinforcing steel bar, forming a template, supporting, pouring concrete, removing the template and curing; in the construction process, bolts 9 matched with the crown beam connecting support 4 are pre-buried at designated positions;
s6, connecting the crown beam 2 and the crown beam connecting support 4, placing the bolt holes of the prefabricated crown beam connecting support 4 on the bolts 9 pre-buried on the crown beam connecting support 4, and tightening and fixing;
s7, connecting the crown beam connecting support 4 with the inclined strut pipe 5 and connecting the inclined strut pipe 5 with the spiral drill pipe pile 6 to form the inclined strut structure: bolt holes are formed in the upper end of the inclined support pipe 5 and the crown beam connecting support 4, bolts 9 are inserted into the bolt holes in the inclined support pipe 5 and the crown beam connecting support 4, and the inclined support pipe is screwed and fixed;
s8, excavating a foundation pit;
s9, constructing the bottom plate 2;
s10, support replacement is carried out: disassembling the inclined support pipe 5;
s11, recycling the inclined supporting tube 5.
In addition, it should be understood by those skilled in the art that although many problems exist in the prior art, each embodiment or technical solution of the present utility model may be modified in only one or several respects, without having to solve all technical problems listed in the prior art or the background art at the same time. Those skilled in the art will understand that nothing in one claim should be taken as a limitation on that claim.
Although terms such as retaining walls, crown beams, gusset pipes, etc. are used more herein, the possibility of using other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model; the terms first, second, and the like in the description and in the claims of embodiments of the utility model and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. Novel draw and press combined type and dismantle spiral drill pipe bracing structure, its characterized in that: comprises a crown beam connecting support (4), a diagonal bracing pipe (5), a detachable connecting device and a spiral drill pipe pile (6) which are sequentially connected from top to bottom;
the crown beam connecting support (4) is used for being detachably connected with the crown beam (2); one end of the inclined strut pipe (5) is detachably connected with the crown beam connecting support (4), and the other end of the inclined strut pipe is detachably connected with the spiral drill pipe pile (6) through the detachable connecting device.
2. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 1, wherein: the screw drill pipe pile (6) is provided with a water stop plate (8) at the upper part close to the inclined support pipe (5), so that the water stop plate (8) is positioned below the detachable connecting device when the inclined support pipe (5) is connected with the screw drill pipe pile (6).
3. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 2, wherein: the water stop plate (8) is of a flat plate structure;
the plane of the water stop plate (8) and the axial direction of the spiral drill pipe pile (6) form a certain included angle, so that when the spiral drill pipe pile (6) is obliquely inserted into foundation soil, the plane of the water stop plate (8) is horizontal.
4. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 2, wherein: the detachable connecting device is located above the top surface of the bottom plate (3), and the water stop plate (8) is located in the elevation range formed by the top surface of the bottom plate (3) and the bottom surface of the bottom plate (3).
5. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 1, wherein: the crown beam connecting support (4) is detachably connected with the crown beam (2) through a first connecting structure; the upper end of the diagonal bracing pipe (5) is connected with the crown beam connecting support (4) through a second connecting structure.
6. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 1, wherein: the detachable connecting device is a flange connecting device (7).
7. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 6, wherein: the flange connecting device (7) comprises a flange plate (10) and a plurality of bolts (9);
the flange plate (10) comprises a first flange plate and a second flange plate; the lower end of the inclined strut pipe (5) is connected with a first flange, and the upper end of the spiral drill pipe pile (6) is connected with a second flange;
the edges of the first flange plate and the second flange plate are respectively provided with a plurality of through holes, a plurality of bolts (9) are matched with a plurality of through holes, and the bolts (9) penetrate through the through holes so that the first flange plate is in fastening connection with the second flange plate.
8. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 7, wherein: the flange connecting device (7) further comprises a flange pad;
the flange gasket is arranged on one side, close to each other, of the first flange plate and the second flange plate, a plurality of through holes are correspondingly formed in the edges of the first flange plate, the second flange plate and the flange gasket, and bolts (9) penetrate through the through holes so that the first flange plate is in fastening connection with the second flange plate.
9. The novel pull-push combined type detachable helical drill pipe diagonal bracing structure according to claim 8, wherein: the edges of the first flange plate, the second flange plate and the flange pad are uniformly provided with a plurality of through holes along the circumferential direction of the first flange plate, the second flange plate and the flange pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320066179.5U CN219280717U (en) | 2023-01-10 | 2023-01-10 | Novel pull-press combined type detachable spiral drill pipe diagonal bracing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320066179.5U CN219280717U (en) | 2023-01-10 | 2023-01-10 | Novel pull-press combined type detachable spiral drill pipe diagonal bracing structure |
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| Publication Number | Publication Date |
|---|---|
| CN219280717U true CN219280717U (en) | 2023-06-30 |
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|---|---|---|---|
| CN202320066179.5U Active CN219280717U (en) | 2023-01-10 | 2023-01-10 | Novel pull-press combined type detachable spiral drill pipe diagonal bracing structure |
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| Country | Link |
|---|---|
| CN (1) | CN219280717U (en) |
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2023
- 2023-01-10 CN CN202320066179.5U patent/CN219280717U/en active Active
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