Foundation pit supporting structure
Technical Field
The utility model relates to the technical field related to foundation pit support, in particular to a foundation pit support structure.
Background
The foundation pit support is a series of measures taken in order to prevent the problems of landslide, collapse or sedimentation of soil mass in the foundation construction process of buildings or other engineering projects, and the measures may comprise underground steel support, concrete walls, retaining walls, precipitation equipment and the like so as to ensure that the engineering is carried out safely and stably.
The existing foundation pit supporting structure is mainly characterized in that two groups of retaining plates are respectively attached to the inner walls of two sides of a foundation pit, then a supporting mechanism is installed between the two groups of retaining plates, the supporting mechanism is generally provided with supporting rods on the two retaining plates, the end part of one supporting rod is provided with a sleeve, the sleeve is matched with the other supporting rod for adjustment, the sleeve and the other supporting rod are generally fixed through bolts in the prior art, but screwing or unscrewing of the bolts in the process is generally realized by means of corresponding auxiliary tools, inconvenience is brought to workers, and the subsequent dismounting efficiency is affected.
Disclosure of utility model
The utility model aims to provide a foundation pit supporting structure for solving the problems in the background art.
The foundation pit supporting structure comprises a first earth wall inserting rod, a first retaining plate, a first supporting fixing sleeve, a supporting reinforcing device, a second retaining plate, a second earth wall inserting rod, a first supporting rod, a second supporting fixing sleeve, a second supporting rod, a fixing sleeve and a positioning component, wherein the first earth wall inserting rod is connected to one side of the first retaining plate, the second earth wall inserting rod is also arranged on one side of the second retaining plate, the first supporting fixing sleeve is arranged on the other side of the first retaining plate, the second supporting fixing sleeve is arranged on the other side of the second retaining plate, one end of the first supporting rod is connected with the second supporting fixing sleeve, the fixing sleeve is fixedly arranged on the other end of the first supporting rod, one end of the second supporting rod is connected with the first supporting fixing sleeve, positioning through grooves are formed in the second supporting rod at equal intervals, circular grooves are formed in the fixing sleeve in a penetrating mode, and the second supporting rod is fixedly connected with the fixing sleeve through the positioning component.
Preferably, the positioning assembly comprises a positioning inserting column, a limiting plate, a column body, a limiting clamping block, a round table, a fixing plate, threaded holes, fastening screws, a butt joint round groove, limiting sliding grooves, an accommodating cavity groove and limiting stops, wherein the limiting plate is fixedly arranged at one end of the positioning inserting column, the column body is fixedly arranged at the other end of the positioning inserting column, the limiting clamping block is symmetrically and fixedly arranged at the side position of one end of the column body, the round table is fixedly arranged at one end of the fixing plate, the butt joint round groove is formed in the end face, far away from the fixing plate, of the round table, the butt joint round groove is symmetrically provided with the two limiting sliding grooves, the accommodating cavity groove is formed in the round table, and the limiting stops are fixedly arranged on the inner wall of the accommodating cavity groove.
Preferably, the round grooves correspond to the positioning through grooves in arrangement positions, the number of the arrangement groups is the same, and the inner diameters of the round grooves and the positioning through grooves are equal.
Preferably, the cylinder is in pin joint with the butt-joint circular groove in a matched mode, the limiting clamping block corresponds to the limiting sliding groove in position, and the limiting clamping block and the limiting sliding groove are in sliding connection in a matched mode.
Preferably, the limit stop is fixed on the inner wall of the accommodating cavity groove, and is connected with the lower end of the butt-joint circular groove, and the limit stop is separated from the limit chute.
Preferably, two threaded holes are symmetrically formed in the end face of the fixing plate, and the fixing plate is fixedly connected with the threaded holes through fastening screws.
Compared with the prior art, the utility model has the beneficial effects that:
The positioning assembly is composed of a positioning inserting column, a limiting plate, a column body, a limiting clamping block, a round table, a fixing plate, a threaded hole, a fastening screw, a butt joint round groove, a limiting sliding groove, an accommodating cavity groove and a limiting stop block, the column body and the limiting clamping block are in pin joint with the butt joint round groove, accuracy of pin joint is guaranteed through positioning of the limiting sliding groove, the limiting stop block is arranged in the accommodating cavity groove, the limiting plate is directly rotated by hands after the pin joint of the column body is completed, the limiting clamping block can be fixed by contacting the limiting stop block, the limiting plate can be directly rotated by hands during disassembly, the limiting plate can be pulled out to complete disassembly when the limiting clamping block corresponds to the limiting sliding groove, fastening and disassembly of bolts can be achieved without aid of auxiliary tools, and operation is convenient.
Drawings
FIG. 1 is a schematic plan view of a foundation pit supporting structure according to the present utility model;
FIG. 2 is a schematic perspective view of a support rod and positioning assembly according to the present utility model;
FIG. 3 is a schematic view of the left side structure of the positioning assembly of the present utility model;
FIG. 4 is a right side schematic view of the positioning assembly of the present utility model;
fig. 5 is a schematic view of the internal structure of the circular truncated cone according to the present utility model.
In the figure, a first earth wall inserting rod 1, a first earth retaining plate 2, a first supporting and fixing sleeve 3, a supporting and reinforcing device 4, a second earth retaining plate 5, a second earth wall inserting rod 6, a first supporting rod 7, a second supporting and fixing sleeve 8, a second supporting rod 9, a positioning through groove 10, a fixing sleeve 11, a circular groove 12, a positioning inserting column 1301, a limiting plate 1302, a column body 1303, a limiting clamping block 1304, a circular table 1305, a fixing plate 1306, a threaded hole 1307, a fastening screw 1308, a butt circular groove 1309, a limiting sliding groove 1310, a containing cavity groove 1311 and a limiting stop 1312.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.
Referring to fig. 1 to 5, the present utility model provides a foundation pit supporting structure, which is used for a foundation pit supporting structure and comprises a first earth wall insert rod 1, a first retaining plate 2, a first support fixing sleeve 3, a support reinforcing device 4, a second retaining plate 5, a second earth wall insert 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 component; the first earth wall inserting rod 1 is connected and arranged on one side of the first earth retaining plate 2, the second earth wall inserting rod 6 is also arranged on one side of the second earth retaining plate 5, the first supporting and fixing sleeve 3 is arranged on the other side of the first earth retaining plate 2, the second supporting and fixing sleeve 8 is arranged on the other side of the second earth retaining plate 5, one end of the first supporting rod 7 is connected and arranged with the second supporting and fixing sleeve 8, the other end of the first supporting rod 7 is fixedly provided with the fixing sleeve 11, one end of the second supporting rod 9 is connected and arranged with the first supporting and fixing sleeve 3, the second supporting rod 9 is equidistantly provided with a positioning through groove 10, circular grooves 12 are arranged in the fixing sleeve 11 in a penetrating way, the second supporting rod 9 and the fixing sleeve 11 are fixedly connected through the arranged positioning components, the positioning components consisting of a positioning inserting column 1301, a limiting plate 1302, a cylinder 1304, a limiting clamping block 1305, a fixing plate 1306, a threaded hole 1307, a fastening screw 1308, a butting circular groove 1309, a limiting chute 1310, a containing cavity 1311 and a limiting block 1312, a limiting block 1312 are arranged in a pin joint mode, and a limiting block is arranged in the positioning component which is formed by the positioning column 1301 and the limiting block 1301, and a limiting block is pin joint position is ensured, namely, the positioning block is accurately pinned joint position is realized through the circular groove 1312 and the limiting block is arranged inside the positioning through the positioning block hole through the positioning pin joint groove 1312, and the limiting block hole through the positioning pin joint groove 1301, the disassembly can be completed by rotating to the position opposite to the limit chute 1310.
In actual use, the fixing plate 1306 is mounted at the bottom of the fixing sleeve 11 by the fastening screw 1308, when the second supporting rod 9 stretches into the fixing sleeve 11, the positioning through groove 10 is matched with the round groove 11, the positioning inserting column 1301 is inserted into the round groove 11, the limiting plate 1302 is rotated by hand during insertion, the limiting clamping block 1304 is pinned with the butting round groove 1309 when corresponding to the limiting sliding groove 1310, the cylinder 1303 is matched with the butting round groove 1309, then the limiting plate 1302 is rotated by hand directly to clamp the limiting clamping block 1304 at the tail end of the cylinder 1303 on the limiting stop 1312 in the accommodating cavity groove 1311, the limiting plate 1302 is rotated during disassembly, the limiting clamping block 1304 is far away from the limiting stop 1312, and the limiting plate 1302 can be pulled out to complete disassembly when the position of the limiting clamping block 1304 corresponds to the limiting sliding groove 1310.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.