Foundation pit supporting structure

Abstract

The utility model relates to the related technical field of foundation pit supporting, in particular to a foundation pit supporting structure which comprises a first soil wall inserting rod, a first soil retaining plate, a first supporting and fixing sleeve, a supporting and reinforcing device, a second soil retaining plate, a second soil wall inserting rod, a first supporting rod, a second supporting and fixing sleeve, a second supporting rod, a fixing sleeve and a positioning assembly. A positioning assembly composed of a positioning insertion column, a limiting plate, a column body, a limiting clamping block, a circular truncated cone, a fixing plate, a threaded hole, a fastening screw, a butt joint circular groove, a limiting sliding groove, a containing cavity groove and a limiting check block is arranged. The column body and the limiting clamping block are in pin joint with the butt joint circular groove, accurate pin joint is guaranteed through positioning of the limiting sliding groove, and the limiting stop block is arranged in the containing cavity groove, so that after pin joint of the column body is completed, the limiting plate is rotated with hands, the limiting clamping block makes contact with the limiting stop block or the position opposite to the limiting sliding groove, and then the mounting or dismounting process can be completed. And the convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to foundation pit support, in particular to a foundation pit support structure. Background Art

[0002] Foundation pit support is a series of measures taken during the foundation construction of buildings or other engineering projects to prevent landslides, collapses or settlement of the soil; these measures may include underground steel supports, concrete walls, retaining walls and precipitation equipment to ensure the safe and stable progress of the project.

[0003] The existing foundation pit support structure is mainly achieved by respectively attaching two sets of retaining plates to the inner walls on both sides of the foundation pit, and then installing a supporting mechanism between the two sets of retaining plates. The supporting mechanism is generally to set support rods on the two retaining plates, and a sleeve is set at the end of one of the support rods. The sleeve cooperates with the other support rod for adjustment. In the prior art, the two are generally fixed by bolts; however, in this process, tightening or loosening the bolts generally requires the use of corresponding auxiliary tools, which brings inconvenience to the staff and affects the subsequent disassembly and assembly efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a foundation pit supporting structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a foundation pit support structure, comprising a first soil wall plug rod, a first retaining plate, a first support fixing sleeve, a support reinforcement device, a second soil retaining plate, a second soil wall plug rod, a first support rod, a second support fixing sleeve, a second support rod, a fixing sleeve and a positioning assembly; one side of the first soil retaining plate is connected to the first soil wall plug rod, one side of the second soil retaining plate is also provided with the second soil wall plug rod, and the other side of the first retaining plate is provided with the first support fixing sleeve, and the other side of the second soil retaining plate is provided with the second support fixing sleeve, one end of the first support rod is connected to the second support fixing sleeve, and the other end of the first support rod is fixedly provided with a fixing sleeve, one end of the second support rod is connected to the first support fixing sleeve, and positioning through grooves are equidistantly arranged on the second support rod, a circular groove is penetrated in the fixing sleeve, and the second support rod is fixedly connected to the fixing sleeve through a positioning assembly.

[0006] Preferably, the positioning assembly includes a positioning pin, a limiting plate, a column, a limiting block, a frustum, a fixing plate, a threaded hole, a fastening screw, a docking circular groove, a limiting slide groove, a accommodating cavity groove, and a limiting block; a limiting plate is fixedly provided at one end of the positioning pin, a column is fixedly provided at the other end of the positioning pin, a limiting block is symmetrically fixedly provided on the side position of one end of the column, a frustum is fixedly provided at one end of the fixing plate, a docking circular groove is provided on the end surface of the frustum away from the fixing plate, two limiting slide grooves are symmetrically provided on the docking circular groove, a accommodating cavity groove is provided inside the frustum, and a limiting block is fixedly provided on the inner wall of the accommodating cavity groove.

[0007] Preferably, the circular groove and the positioning through groove are arranged in corresponding positions, are arranged in the same number of groups, and have the same inner diameters.

[0008] Preferably, the column is pin-connected with the docking circular groove, the position of the limiting block corresponds to the position of the limiting sliding groove, and the two are adaptively slidably connected.

[0009] Preferably, the limit stopper is fixed on the inner wall of the accommodating cavity groove, and the limit stopper is connected to the lower end of the docking circular groove, and the limit stopper is separated from the position of the limit sliding groove.

[0010] Preferably, two threaded holes are symmetrically arranged on the end surface of the fixing plate, and the fixing plate is threadedly connected and fixed to the threaded holes by fastening screws.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] A positioning assembly consisting of a positioning column, a limiting plate, a column, a limiting block, a frustum, a fixing plate, a threaded hole, a fastening screw, a docking circular groove, a limiting slide, a accommodating cavity groove, and a limiting block is set; the column and the limiting block are pinned to the docking circular groove, the limiting slide is used to position to ensure the accuracy of the pinning, and a limiting block is set inside the accommodating cavity groove, so that after the column is pinned, the limiting plate can be directly rotated by hand to make the limiting block contact the limiting block to complete the fixation; when disassembling, the limiting plate can also be directly rotated by hand, and when the limit block corresponds to the limit slide position, the limit plate can be pulled out to complete the disassembly; this process does not require the aid of auxiliary tools to achieve the tightening and disassembly of the bolts, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the plane structure of a foundation pit support structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the support rod and the positioning assembly of the utility model;

[0015] Figure 3 This is a schematic diagram of the left side structure of the positioning component of the utility model;

[0016] Figure 4 It is a schematic diagram of the right side structure of the positioning component of the utility model;

[0017] Figure 5 It is a schematic diagram of the internal structure of the truncated table of the utility model.

[0018] In the figure: the first earth wall plug rod 1, the first earth retaining plate 2, the first supporting fixing sleeve 3, the supporting reinforcement device 4, the second earth retaining plate 5, the second earth wall plug rod 6, the first supporting rod 7, the second supporting fixing sleeve 8, the second supporting rod 9, the positioning groove 10, the fixing sleeve 11, the circular groove 12, the positioning plug column 1301, the limiting plate 1302, the column 1303, the limiting block 1304, the round table 1305, the fixing plate 1306, the threaded hole 1307, the fastening screw 1308, the docking circular groove 1309, the limiting slide groove 1310, the accommodating cavity groove 1311, and the limiting block 1312. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model are described clearly and completely below. The embodiments of the utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 5The utility model provides a technical solution: a foundation pit support structure, for the foundation pit support structure includes a first soil wall plug rod 1, a first retaining plate 2, a first support fixing sleeve 3, a support reinforcement device 4, a second retaining plate 5, a second soil wall plug rod 6, a first support rod 7, a second support fixing sleeve 8, a second support rod 9, a fixing sleeve 11 and a positioning assembly; one side of the first retaining plate 2 is connected with the first soil wall plug rod 1, one side of the second retaining plate 5 is also provided with the second soil wall plug rod 6, and the other side of the first retaining plate 2 is provided with the first support fixing sleeve 3, and the other side of the second retaining plate 5 is provided with the second support fixing sleeve 8, one end of the first support rod 7 is connected with the second support fixing sleeve 8, and the other end of the first support rod 7 is fixedly provided with a fixing sleeve 11, one end of the second support rod 9 is connected with the first support fixing sleeve 3, and positioning sleeves are equidistantly arranged on the second support rod 9 The through groove 10 and the fixing sleeve 11 are penetrated by a circular groove 12, and the second support rod 9 and the fixing sleeve 11 are fixedly connected by a positioning component, which is composed of a positioning plug 1301, a limiting plate 1302, a column 1303, a limiting block 1304, a truncated table 1305, a fixing plate 1306, a threaded hole 1307, a fastening screw 1308, a docking circular groove 1309, a limiting slide 1310, a accommodating cavity 1311, and a limiting block 1312; the column 1303 and the limiting block 1304 are pin-connected with the docking circular groove 1309, and the positioning is ensured by the limiting slide 1310; and a limiting block 1312 is set inside the accommodating cavity 1311, so that the column 1303 can be fixed by rotating to the position of the limiting block 1312 after the pin connection is completed, and can be disassembled by rotating to the relative position with the limiting slide 1310.

[0021] Working principle: In actual use, first use the fastening screws 1308 to install the fixing plate 1306 on the bottom of the fixing sleeve 11. When the second support rod 9 extends into the fixing sleeve 11, the positioning slot 10 and the circular slot 11 are matched and the positioning pin 1301 is inserted into the circular slot 11. When inserting, rotate the limiting plate 1302 by hand. When the limiting block 1304 corresponds to the limiting slide slot 1310, the pin connection can be completed. At this time, the column 1303 is connected with the circular slot 11. 309, and then directly rotate the limit plate 1302 by hand to allow the limit block 1304 at the end of the column 1303 to be stuck on the limit block 1312 in the accommodating cavity groove 1311 to complete the fastening. When disassembling, rotate the limit plate 1302 in the same way to allow the limit block 1304 to move away from the limit block 1312. When the position of the limit block 1304 corresponds to the limit slide groove 1310, the limit plate 1302 can be pulled out to complete the disassembly.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foundation pit support structure, characterized in that: The invention comprises a first soil wall plugging rod (1), a first soil retaining plate (2), a first supporting and fixing sleeve (3), a supporting and reinforcing device (4), a second soil retaining plate (5), a second soil wall plugging rod (6), a first supporting rod (7), a second supporting and fixing sleeve (8), a second supporting rod (9), a fixing sleeve (11) and a positioning assembly; one side of the first soil retaining plate (2) is connected to the first soil wall plugging rod (1), one side of the second soil retaining plate (5) is also provided with the second soil wall plugging rod (6), and the other side of the first soil retaining plate (2) is provided with the first supporting and fixing sleeve (3), and the second A second supporting fixing sleeve (8) is provided on the other side of the retaining plate (5); one end of the first supporting rod (7) is connected to the second supporting fixing sleeve (8), and a fixing sleeve (11) is fixedly provided on the other end of the first supporting rod (7); one end of the second supporting rod (9) is connected to the first supporting fixing sleeve (3), and positioning through grooves (10) are equidistantly provided on the second supporting rod (9); a circular groove (12) is penetrated through the fixing sleeve (11), and the second supporting rod (9) and the fixing sleeve (11) are fixedly connected via a positioning assembly.

2. A foundation pit support structure according to claim 1, characterized in that: The positioning assembly comprises a positioning pin (1301), a limiting plate (1302), a column (1303), a limiting block (1304), a truncated table (1305), a fixing plate (1306), a threaded hole (1307), a fastening screw (1308), a docking circular groove (1309), a limiting slide groove (1310), a receiving cavity groove (1311), and a limiting block (1312); one end of the positioning pin (1301) is fixedly provided with the limiting plate (1302), and the other end of the positioning pin (1301) is fixedly provided with the column (1312). 303), a limit block (1304) is symmetrically fixedly arranged at the side position of one end of the column (1303), a round table (1305) is fixedly arranged at one end of the fixed plate (1306), a docking circular groove (1309) is arranged on the end surface of the round table (1305) away from the fixed plate (1306), and the docking circular groove (1309) is symmetrically arranged with two limit sliding grooves (1310), and an accommodating cavity groove (1311) is arranged inside the round table (1305), and a limit block (1312) is fixedly arranged on the inner wall of the accommodating cavity groove (1311).

3. A foundation pit support structure according to claim 1, characterized in that: The circular groove (12) and the positioning through groove (10) are arranged at corresponding positions, have the same number of groups, and have the same inner diameters.

4. A foundation pit support structure according to claim 2, characterized in that: The column (1303) is pin-connected with the docking circular groove (1309), and the position of the limiting block (1304) corresponds to the position of the limiting sliding groove (1310), and the two are adaptively slidably connected.

5. A foundation pit support structure according to claim 2, characterized in that: The limit stopper (1312) is fixed to the inner wall of the accommodating cavity groove (1311), and the limit stopper (1312) is connected to the lower end of the docking circular groove (1309).

6. A foundation pit support structure according to claim 2, characterized in that: Two threaded holes (1307) are symmetrically arranged on the end surface of the fixing plate (1306), and the fixing plate (1306) is threadedly connected and fixed to the threaded holes (1307) by means of fastening screws (1308).

Images