CN212772387U - Firm type truss-like double row pile foundation ditch retaining structure - Google Patents
Firm type truss-like double row pile foundation ditch retaining structure Download PDFInfo
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- CN212772387U CN212772387U CN202021365554.9U CN202021365554U CN212772387U CN 212772387 U CN212772387 U CN 212772387U CN 202021365554 U CN202021365554 U CN 202021365554U CN 212772387 U CN212772387 U CN 212772387U
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Abstract
The utility model discloses a stable truss type double-row pile foundation pit support structure, which comprises front row steel pipe piles, the top end of the connecting plate is uniformly provided with a first steel plate, one side of the top end of the second steel plate is welded with a first supporting rod, second support rods are welded on two sides of the middle part of the first support rod, fixed cylinders are arranged on two sides of the top end of the connecting plate, the inner wall of the fixed cylinder is connected with a reinforcing rod in a sliding way, the top end of the first supporting rod is provided with a rear row of steel pipe piles, the integral stability and the strength performance of the enclosure structure can be high through the functions of the first support rod, the second support rod, the reinforcing rod and other structures, when the pressure is applied to a large external pressure, a part of stress can be buffered through the buffer layer structure between the first steel plate and the second steel plate and the action of the compression spring structure, therefore, the overall toughness of the structure is stronger, and the rigid fracture of each connecting structure can be effectively prevented.
Description
Technical Field
The utility model relates to a ground technical field specifically is a firm type truss-like double row pile foundation ditch retaining structure.
Background
The current enclosure structure of the deep foundation pit is divided from materials and can be divided into a concrete enclosure structure and a steel enclosure structure, the concrete enclosure structure comprises support piles, an underground continuous wall and the like, the steel enclosure structure comprises a section steel cement soil wall formed by an SMW construction method, a TRD construction method, a CSM construction method and the like, steel sheet piles and the like in various forms, however, the existing enclosure structure is simple and poor in strength, and is easy to break when deformed due to stress, and therefore the stable truss type double-row pile foundation pit enclosure structure is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a firm type truss-like double row pile foundation ditch envelope to solve and provide in the above-mentioned background art because current envelope is simple, intensity is relatively poor, easily takes place cracked problem when the atress produces the deformation.
In order to achieve the above object, the utility model provides a following technical scheme: a stable truss type double-row pile foundation pit support structure comprises front-row steel pipe piles, wherein a connecting assembly is mounted at the top ends of the front-row steel pipe piles, and comprises a connecting plate, a first steel plate, a buffer layer, a positioning column, a second steel plate, a first supporting rod, a second supporting rod, a fixing cylinder, a reinforcing rod, a compression spring and a rear-row steel pipe pile;
the welding of front-row steel-pipe pile top has the connecting plate, first steel sheet is evenly installed on the connecting plate top, first steel sheet top bonds there is the buffer layer, reference column has all been welded to first steel sheet top both sides, the second steel sheet has been cup jointed on reference column outside top, the welding of second steel sheet top one side has first bracing piece, the welding of first bracing piece middle part both sides has the second bracing piece, the solid fixed cylinder is all installed to connecting plate top both sides, gu fixed cylinder inner wall sliding connection has the stiffener, gu fixed cylinder inner wall one end welding has compression spring, back row steel-pipe pile is installed on first bracing piece top.
Preferably, the middle part of the outer side of the positioning column is also sleeved with a second steel plate, and a buffer layer is bonded between the two second steel plates.
Preferably, the top end of the positioning column is welded with a limiting disc.
Preferably, the bottom end of the rear row of steel pipe piles is welded with a connecting plate, and one end of the connecting plate is in a cutter shape.
Preferably, a fixing assembly is mounted at the top end of the front row of steel pipe piles, and the fixing assembly comprises a mounting block, a first bolt, a first mounting plate, a second bolt and a second mounting plate;
the mounting blocks are welded at the two ends of the first steel plate, the first bolts are installed at the top ends of the mounting blocks, the first mounting plates are welded on the two sides of the top end of the front row of steel pipe piles, the second bolts penetrate through the side faces of the first mounting plates, and one end of the outer side of each second bolt is sleeved with the corresponding second mounting plate in a threaded mode.
Preferably, the top end of the outer side of the fixed cylinder is provided with a threaded hole corresponding to the second bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the effect through structures such as first bracing piece, second bracing piece and stiffener can make envelope overall stability high, and intensity performance is higher, when receiving great external pressure, through the buffer layer structure between first steel sheet and the second steel sheet, cooperates the effect of compression spring structure simultaneously, can cushion partly atress to can make the whole toughness of structure stronger, can effectually prevent that each connection structure from taking place the rigidity fracture.
2. First steel sheet is connected with the connecting plate through first bolt, and a solid fixed cylinder passes through the second bolted mounting on the connecting plate to change traditional welded mode, be convenient for maintain the installation of structure and the recovery work in later stage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a buffer layer mounting structure according to the present invention;
FIG. 3 is a schematic view of the stiffener mounting structure in this application;
fig. 4 is the schematic view of the installation structure of the middle installation block of the present invention.
In the figure: 1. front row steel pipe piles;
2. a connecting assembly; 201. a connecting plate; 202. a first steel plate; 203. a buffer layer; 204. a positioning column; 205. a second steel plate; 206. a first support bar; 207. a second support bar; 208. a fixed cylinder; 209. A reinforcing bar; 210. a compression spring; 211. rear row steel pipe piles;
3. a fixing assembly; 301. mounting blocks; 302. a first bolt; 303. a first mounting plate; 304. a second bolt; 305. a second mounting plate.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a stable truss type double-row pile foundation pit support structure comprises a front row of steel pipe piles 1, wherein a connecting assembly 2 is installed at the top end of the front row of steel pipe piles 1, and the connecting assembly 2 comprises a connecting plate 201, a first steel plate 202, a buffer layer 203, a positioning column 204, a second steel plate 205, a first supporting rod 206, a second supporting rod 207, a fixed cylinder 208, a reinforcing rod 209, a compression spring 210 and a rear row of steel pipe piles 211;
the top end of the front row of steel pipe piles 1 is welded with a connecting plate 201, the top end of the connecting plate 201 is uniformly provided with a first steel plate 202, the top end of the first steel plate 202 is bonded with a buffer layer 203, two sides of the top end of the first steel plate 202 are welded with positioning columns 204, the top ends of the outer sides of the positioning columns 204 are sleeved with a second steel plate 205, one side of the top end of the second steel plate 205 is welded with a first supporting rod 206, two sides of the middle part of the first supporting rod 206 are welded with a second supporting rod 207, two sides of the top end of the connecting plate 201 are mounted with a fixed cylinder 208, the inner wall of the fixed cylinder 208 is connected with a reinforcing rod 209 in a sliding mode, one end of the inner wall of the fixed cylinder 208 is welded with a compression spring 210, the top end of the first supporting rod 206 is mounted with a rear row of steel pipe pile 211, the, the position of the second steel plate 205 on the top end is limited, the connecting plate 201 is welded at the bottom end of the rear row of steel pipe piles 211, and one end of the connecting plate 201 is in a cutter shape, so that the rear row of steel pipe piles 211 and the front row of steel pipe piles 1 can be conveniently installed on the ground.
The top end of the front row of steel pipe piles 1 is provided with a fixing assembly 3, and the fixing assembly 3 comprises an installation block 301, a first bolt 302, a first installation plate 303, a second bolt 304 and a second installation plate 305;
The working principle is as follows: when the overall enclosure structure is installed, the first steel plates 202 are uniformly placed at the installation positions corresponding to the installation blocks 301 on the connecting plates 201, the first bolts 302 are screwed, so that the first steel plates 202 are respectively fixed on the front row of steel pipe piles 1 and the rear row of steel pipe piles 211 to complete installation of the installation positions of the first supporting rods 206 and the second supporting rods 207, the fixing cylinders 208 are inserted between the first installation plates 303 and the second installation plates 305, the threaded holes in the fixing cylinders 208 are aligned to the threaded holes in the first installation plates 303, then the second bolts 304 sequentially penetrate through the first installation plates 303, the fixing cylinders 208 and the second installation plates 305, and are fixed by nuts, so that the installation of the fixing cylinders 208 with the reinforcing rods 209 is completed, and the overall enclosure structure can be high in strength and stable through the first supporting rods 206, the second supporting rods 207 and the reinforcing rods 209;
install front-row steel-pipe pile 1 and back-row steel-pipe pile 211 on the position that corresponds through the vibration and sinking, when front-row steel-pipe pile 1 and back-row steel-pipe pile 211 inboard received great pressure, extrude second steel sheet 205 through first bracing piece 206 and second bracing piece 207, thereby make second steel sheet 205 extrude buffer layer 203, make buffer layer 203 take place elastic deformation, and simultaneously, stiffener 209 both ends extrude compression spring 210 in solid fixed cylinder 208, thereby can cushion ambient pressure, thereby can effectually prevent that ambient pressure is too big, make each connection structure of envelope warp too much and break, thereby indirect reinforcing overall structure's toughness and intensity.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a firm type truss-like double row pile foundation ditch retaining structure, includes front-seat steel-pipe pile (1), its characterized in that: the connecting assembly (2) is mounted at the top end of the front row of steel pipe piles (1), and the connecting assembly (2) comprises a connecting plate (201), a first steel plate (202), a buffer layer (203), a positioning column (204), a second steel plate (205), a first supporting rod (206), a second supporting rod (207), a fixing cylinder (208), a reinforcing rod (209), a compression spring (210) and a rear row of steel pipe piles (211);
the top end of the front row of steel pipe piles (1) is welded with a connecting plate (201), the top end of the connecting plate (201) is uniformly provided with a first steel plate (202), a buffer layer (203) is bonded at the top end of the first steel plate (202), positioning columns (204) are welded on two sides of the top end of the first steel plate (202), a second steel plate (205) is sleeved at the top end of the outer side of the positioning column (204), a first supporting rod (206) is welded at one side of the top end of the second steel plate (205), second supporting rods (207) are welded on two sides of the middle part of the first supporting rod (206), the two sides of the top end of the connecting plate (201) are both provided with a fixed cylinder (208), the inner wall of the fixed cylinder (208) is connected with a reinforcing rod (209) in a sliding way, compression springs (210) are welded at one end of the inner wall of the fixed cylinder (208), and rear-row steel pipe piles (211) are mounted at the top ends of the first supporting rods (206).
2. The firm truss type double row pile foundation pit support structure of claim 1, wherein: the middle part of the outer side of the positioning column (204) is also sleeved with a second steel plate (205), and a buffer layer (203) is bonded between the two second steel plates (205).
3. The firm truss type double row pile foundation pit support structure of claim 1, wherein: the top end of the positioning column (204) is welded with a limiting disc.
4. The firm truss type double row pile foundation pit support structure of claim 1, wherein: and the bottom end of the rear row of steel pipe piles (211) is welded with a connecting plate (201), and one end of the connecting plate (201) is in a cutter shape.
5. The firm truss type double row pile foundation pit support structure of claim 1, wherein: a fixing assembly (3) is installed at the top end of the front row of steel pipe piles (1), and the fixing assembly (3) comprises an installation block (301), a first bolt (302), a first installation plate (303), a second bolt (304) and a second installation plate (305);
first steel sheet (202) both ends all weld installation piece (301), first bolt (302) are installed on installation piece (301) top, first mounting panel (303) have all been welded to front row steel-pipe pile (1) top both sides, first mounting panel (303) side is run through has second bolt (304), second bolt (304) outside one end screw thread has cup jointed second mounting panel (305).
6. A firm truss type double row pile foundation pit enclosure structure as claimed in claim 5, wherein: the top end of the outer side of the fixed cylinder (208) is provided with a threaded hole corresponding to the second bolt (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365554.9U CN212772387U (en) | 2020-07-13 | 2020-07-13 | Firm type truss-like double row pile foundation ditch retaining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365554.9U CN212772387U (en) | 2020-07-13 | 2020-07-13 | Firm type truss-like double row pile foundation ditch retaining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212772387U true CN212772387U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021365554.9U Active CN212772387U (en) | 2020-07-13 | 2020-07-13 | Firm type truss-like double row pile foundation ditch retaining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212772387U (en) |
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2020
- 2020-07-13 CN CN202021365554.9U patent/CN212772387U/en active Active
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