Turnover waterproof retaining wall at upper end of foundation pit
By designing a reusable foundation pit waterproof retaining wall structure, the problems of inconvenient transportation and installation of foundation pit waterproof retaining walls as well as drainage and filtration were solved, achieving the effects of rapid installation and efficient drainage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-09
- Publication Date
- 2026-03-20
AI Technical Summary
The existing foundation pit waterproof retaining wall structure is fixed, making it difficult to transport and adjust, and it cannot effectively filter wastewater during drainage, making it inconvenient to use.
A reusable waterproof retaining wall for the upper part of a foundation pit has been designed, including a retaining wall panel, an adaptive pressure component, a diagonal bracing component, and a drainage component. It can be quickly installed and folded for storage through movable connections, and is equipped with dual filter plates for filtering drainage.
It enables convenient installation and folding storage of waterproof retaining walls, improves drainage efficiency and equipment lifespan, and simplifies the operation process.
Smart Images

Figure CN117266679B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of waterproof retaining wall, in particular to a turnover waterproof retaining wall at the upper end of foundation pit. BACKGROUND
[0002] The foundation pit is a soil pit excavated at the foundation design position according to the foundation elevation and the foundation plane size, and when excavating, the foundation pit support needs to be installed around the foundation pit. The foundation pit support is a support, reinforcement and protection measure adopted for the foundation pit side wall and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.
[0003] In the existing foundation pit construction site, many foundation pits need to be backfilled subsequently. The purpose of foundation pit excavation is to guide water geologically. In the use process, a waterproof retaining wall needs to be installed inside the foundation pit as a foundation pit support to control the operation of groundwater, such as open drainage, dewatering, water interception and recharge. However, the existing foundation pit waterproof retaining wall is mostly fixed in structure and inconvenient to transport, and needs to be repeatedly adjusted during installation and use. In addition, when treating the internal wastewater of the foundation pit subsequently, the retaining wall cannot filter and discharge the internal wastewater, which is inconvenient to use. SUMMARY
[0004] The purpose of the present application is to provide a turnover waterproof retaining wall at the upper end of foundation pit to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a turnover waterproof retaining wall at the upper end of foundation pit, which comprises:
[0006] The retaining wall plate is provided with a bottom plate on one side of the lower end, and the upper end of the bottom plate is provided as an inclined surface.
[0007] The adaptive compression assembly is movably arranged on one side of the retaining wall plate close to the bottom plate, and the adaptive compression assembly comprises three compression fixed plates.
[0008] The inclined strut assembly is movably arranged on one side of the retaining wall plate, and the inclined strut assembly comprises two swing legs and two telescopic legs.
[0009] The drainage assembly is movably arranged on one side of the retaining wall plate, and the drainage assembly comprises an annular rotating plate and a drainage connector.
[0010] Preferably, two damping support plates are vertically and symmetrically arranged on both sides of the upper end of the bottom plate, a self-rotation shaft is horizontally arranged between the damping support plates, damping shaft blocks are symmetrically arranged on both sides of the self-rotation shaft, and two damping shaft blocks are movably inserted into two damping support plates, respectively.
[0011] Preferably, one side of the three lower pressing fixed plates is movably sleeved with a rotating shaft, one side of the rotating shaft is in contact with the inclined surface of the bottom plate, and an anchor rod is vertically inserted into one side of the lower pressing fixed plate.
[0012] Preferably, limit blocks are arranged on one side of the lower end of the rotating shaft, a plurality of limit grooves are symmetrically arranged on one side of the inclined surface of the bottom plate, and the limit blocks of the three lower pressing fixed plates are movably inserted into one side of the limit grooves, respectively.
[0013] Preferably, the retaining wall plate is provided with a U-shaped support on one side, two pin shafts are symmetrically arranged on both sides of the U-shaped support, two swing legs are movably sleeved with the two pin shafts on one side, respectively, two telescopic legs are movably inserted into one side of the two swing legs, respectively, a plurality of adjusting holes are symmetrically arranged on the two telescopic legs, a butt joint hole is vertically arranged on one side of the swing leg, the butt joint hole of the swing leg is correspondingly arranged with the adjusting hole on one side of the telescopic leg, and a plug-in pin is inserted between the butt joint hole of the swing leg and the adjusting hole of the telescopic leg.
[0014] Preferably, a coarse filter box is horizontally arranged at the lower end of one side of the retaining wall plate away from the bottom plate, a coarse filter plate is movably inserted into the coarse filter box, a drainage hole is vertically arranged at the lower end of the center of the retaining wall plate, and the drainage hole is in communication with the coarse filter box.
[0015] Preferably, an annular groove is arranged on one side of the retaining wall plate close to the drainage hole and away from the coarse filter box, a center table is arranged in the annular groove, an installation table is arranged in the center of the center table, and an annular rotating plate is movably sleeved with the center table and inserted into the annular groove.
[0016] Preferably, a dial ring is horizontally arranged in the center of the annular rotating plate through a plurality of supporting arms, the dial ring is movably sleeved with the installation table, a prismatic slot is vertically arranged in the center of the installation table, a prismatic plug is movably inserted into the prismatic slot through a screw rod, two constraint plates are symmetrically arranged on both sides of the prismatic plug, and one side of the two constraint plates is in contact with one side of the dial ring.
[0017] Preferably, a spring box is arranged on one side of the supporting arm of the annular rotating plate, a spring slot is vertically arranged in the spring box, a positioning rod is movably inserted into the spring slot in the center of the spring box, a pressing plate is horizontally arranged in the spring slot, a positioning spring is movably sleeved with the positioning rod on the upper end of the pressing plate, a positioning hole is vertically arranged in the center of one side of the two constraint plates, and the positioning rod is movably inserted into the positioning hole on one side of the spring box close to the constraint plate.
[0018] Preferably, the drainage connector is arranged on one side of the annular rotating plate, a fine filter plate is movably inserted into one side of the drainage connector, the diameter of the filter hole of the fine filter plate is smaller than that of the coarse filter plate, and the drainage connector is correspondingly arranged with the drainage hole when drainage is needed.
[0019] Compared with the prior art, the present application has the following advantages:
[0020] Through setting the bottom plate and the pressing assembly on the retaining wall plate, cooperating with the movable connecting inclined support assembly during the installation of the retaining wall plate, the quick and stable installation of the bottom and the side is realized, and the folding storage is convenient after use, space is saved, and the turnover use is facilitated, in addition, under the adjustment cooperation of the drainage assembly, the quick adjustment can be realized when drainage is needed, and the double filtration of the drained mud water can be realized, so that the excessive loss of water and soil is avoided, and the service life of the drainage equipment is improved, the operation is simple, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a structural side view of the present application;
[0022] Figure 2 is a first perspective view of the structure of the present application;
[0023] Figure 3 is a second perspective view of the structure of the present application;
[0024] Figure 4 is a schematic view of the A part of the structure of the present application; Figure 3
[0025] Figure 5 is a schematic view of the folding state of the pressing fixed plate of the present application;
[0026] Figure 6 is an exploded view of the connection between the ring-shaped rotating plate and the retaining wall plate of the present application;
[0027] Figure 7 is a schematic view of the B part of the present application; Figure 6
[0028] Figure 8 is a connection schematic view of the positioning rod of the present application.
[0029] In the drawing: retaining wall plate 1, bottom plate 2, self-rotating shaft 3, pressing fixed plate 5, limiting block 6, limiting groove 7, U-shaped support 8, swing support leg 9, telescopic support leg 10, adjusting hole 11, plug-in pin 12, coarse filter box 13, coarse filter plate 14, drainage hole 15, ring-shaped groove 16, center table 17, mounting table 18, ring-shaped rotating plate 19, knob ring 20, prismatic plug 21, restraint plate 22, spring box 23, positioning rod 24, positioning spring 25, positioning hole 26, drainage connector 27, fine filter plate 28. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0031] Please refer to the attached Figures 1-8 The application provides the following five preferred embodiments.
[0032] Embodiment one
[0033] A foundation upper end can be recycled waterproof retaining wall, retaining wall plate 1 lower end one side horizontal bottom plate 2, bottom plate 2 upper end one side is inclined surface, bottom plate 2 upper end both sides of the vertical symmetry is provided with two damping support plate, damping support plate between horizontal self rotation shaft 3, self rotation shaft 3 both sides of the symmetry is provided with damping shaft block, two damping shaft block respectively active plug two damping support plate settings, three down pressure fixed plate 5 one side respectively active sleeve self rotation shaft 3 settings, self rotation shaft 3 one side and the inclined surface of bottom plate 2 contact settings, down pressure fixed plate 5 one side vertical through plug anchor rod, if need to install retaining wall plate 1, several down pressure fixed plate 5 through the self rotation shaft 3 to the appropriate position and rotate to the ground level, through the anchor rod into the ground, the bottom of the retaining wall plate 1 is preliminarily fixed;
[0034] The damping structure is set, when the down pressure fixed plate 5 is needed to be vertically folded, the basic position will not be shaken randomly, and the damping mode can be metal or rubber friction form;
[0035] In addition, when the down pressure fixed plate 5 is folded vertically, it can slide along the self rotation shaft 3 to avoid collision with the annular rotating plate 19.
[0036] Embodiment two
[0037] On the basis of embodiment one, the bottom plate 2 is pressed by the down pressure fixed plate 5, the adaptive down pressure assembly is arranged on one side of the retaining wall plate 1 close to the bottom plate 2, the adaptive down pressure assembly comprises three down pressure fixed plates 5, the limit block 6 is arranged on one side of the center of the self rotation shaft 3, the inclined surface of the bottom plate 2 is symmetrically provided with a plurality of limit grooves 7, and the limit block 6 of the three down pressure fixed plates 5 is respectively active plug one side limit groove 7 settings, when the down pressure fixed plate 5 is horizontally and inserted into the anchor rod, the bottom plate 2 is pressed by the relative cooperation of the inclined surface, and the compaction effect of the stability of the bottom of the retaining wall plate 1 is maintained;
[0038] The left and right adjustable structure of the down pressure fixed plate 5 can select the appropriate anchoring position according to the foundation condition, and the limit block 6 and the limit groove 7 cooperate to maintain the stability after installation.
[0039] Embodiment three
[0040] On the basis of embodiment two, the posture of the retaining wall plate 1 is inclined support reinforced, the inclined support assembly is movably arranged on one side of the retaining wall plate 1, the inclined support assembly comprises two swing legs 9 and two telescopic legs 10, the one side of the retaining wall plate 1 is provided with a U-shaped support 8, two pin shafts are symmetrically arranged on the two sides of the U-shaped support 8, two swing legs 9 are movably sleeved on the two pin shafts respectively, two telescopic legs 10 are movably inserted into the two swing legs 9 respectively, a plurality of adjusting holes 11 are symmetrically formed on the two telescopic legs 10, a butt joint hole is formed on one side of the swing leg 9, the butt joint hole of the swing leg 9 is correspondingly arranged with the adjusting hole 11 on one side of the telescopic leg 10, and the plug-in pin 12 is inserted between the butt joint hole of the swing leg 9 and the adjusting hole 11 of the telescopic leg 10, the plug-in pin 12 is inserted into different adjusting holes 11 of the telescopic leg 10 to realize different extension lengths of the telescopic leg 10, and then the supporting effect of the retaining wall plate 1 is controlled;
[0041] The plug-in pin 12 is fixedly installed on one side of the swing leg 9 and the telescopic leg 10 through threads.
[0042] Embodiment four
[0043] On the basis of embodiment three, the water source near the side of the retaining wall plate 1 close to the foundation pit edge is discharged or blocked according to needs, the discharge assembly is movably arranged on one side of the retaining wall plate 1, the discharge assembly comprises an annular rotating plate 19 and a drainage connecting pipe 27, a coarse filter box 13 is horizontally arranged at the lower end of the side of the retaining wall plate 1 away from the bottom plate 2, a coarse filter plate 14 is horizontally inserted and arranged in the coarse filter box 13, a drainage hole 15 is vertically arranged at the center of the lower end of the retaining wall plate 1, and the drainage hole 15 is in communication with the coarse filter box 13, an annular groove 16 is arranged on the side of the retaining wall plate 1 close to the drainage hole 15 and away from the coarse filter box 13, a center table 17 is arranged in the center of the annular groove 16, an installation table 18 is arranged in the center of the center table 17, the annular rotating plate 19 is inserted into the annular groove 16 and movably sleeved with the center table 17, a plurality of supporting arms are horizontally arranged at the center of the annular rotating plate 19 through a plurality of supporting arms, a rotating ring 20 is arranged on one side of the annular rotating plate 19, the installation table 18 is movably sleeved with the rotating ring 20, a prismatic slot is arranged in the center of the installation table 18, a prismatic plug 21 is inserted and arranged in the prismatic slot through a screw rod, two constraint plates 22 are symmetrically arranged on the two sides of the prismatic plug 21, and one side of the two constraint plates 22 is in contact with one side of the rotating ring 20, the drainage connecting pipe 27 is in communication with one side of the annular rotating plate 19, a fine filter plate 28 is inserted and arranged in one side of the drainage connecting pipe 27, the filter hole diameter of the fine filter plate 28 is smaller than that of the coarse filter plate 14, and the drainage connecting pipe 27 is arranged in correspondence with the drainage hole 15 when drainage is needed, the drainage connecting pipe 27 is connected with the drainage hole 15 in a staggered manner when no drainage treatment is needed, a sealing rubber pad is arranged on the side of the annular rotating plate 19 in contact with the annular groove 16, the annular rotating plate 19 is rotated through the supporting arms connected with the rotating ring 20, the drainage connecting pipe 27 is connected with the drainage pipe through a flange plate on one side of the drainage connecting pipe 27 when the drainage connecting pipe 27 is in butt joint with the drainage hole 15, and safe drainage is realized under the double filtering effects of the coarse filter plate 14 and the fine filter plate 28, thereby prolonging the service life.
[0044] Embodiment five
[0045] On the basis of embodiment four, the position of the drainage connecting pipe 27 is automatically positioned and fixed, the supporting arms on one side of the annular rotating plate 19 are provided with spring boxes 23, spring slots are arranged in the spring boxes 23, positioning rods 24 are inserted and arranged in the spring slots through the spring slots in the center of the spring boxes 23, the positioning rods 24 are horizontally provided with pressing plates arranged in the spring slots, the positioning rods 24 are sleeved with positioning springs 25 arranged on the upper end of the pressing plates, positioning holes 26 are arranged in the center of one side of the two constraint plates 22, the positioning rods 24 are inserted and arranged in the positioning holes 26 on one side of the constraint plates 22 through the spring slots, the close contact of the annular rotating plate 19 is ensured through the press-fitting of the prismatic plug 21 and the two constraint plates 22, and then the drainage connecting pipe 27 is in a staggered or butt joint state with the drainage hole 15 when the spring boxes 23 are inserted into the positioning holes 26 on one side of different constraint plates 22, thereby saving labor and being convenient to operate;
[0046] When the device needs to be used in cooperation with multiple, the edges of the adjacent two retaining wall plates 1 can be provided with adhesive tape grooves for storing sealing adhesive tapes;
[0047] After use, the anchoring rod is pulled out, and the telescopic supporting leg 10 and the downward pressing fixed plate 5 are rotated and stored, so that the device occupies a small space and is convenient to transfer and reuse.
[0048] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A reusable waterproof retaining wall at the upper end of a foundation pit, characterized in that: The reusable waterproof retaining wall at the upper end of the foundation pit includes: A retaining wall (1) is provided with a bottom plate (2) on one side of its lower end, and the bottom plate (2) is provided with an inclined surface on one side of its upper end. An adaptive pressing assembly is movably disposed on the side of the retaining wall plate (1) near the bottom plate (2). The adaptive pressing assembly includes three pressing fixing plates (5). The diagonal bracing assembly is movably mounted on one side of the retaining wall plate (1). The diagonal bracing assembly includes two swing legs (9) and two telescopic legs (10). The drainage assembly is movably disposed on one side of the retaining wall plate (1). The drainage assembly includes an annular rotating plate (19) and a drainage pipe (27). The bottom plate (2) has two damping support plates vertically and symmetrically arranged on both sides of its upper end. A rotation shaft (3) is horizontally arranged between the damping support plates. Damping shaft blocks are symmetrically arranged on both sides of the rotation shaft (3). The two damping shaft blocks are respectively movably inserted into the two damping support plates. The three pressing fixing plates (5) are respectively movably sleeved with the self-rotating shaft (3) on one side. The self-rotating shaft (3) is in contact with the inclined surface of the base plate (2) on one side. An anchor rod is vertically inserted through one side of the pressing fixing plate (5). Each of the self-rotating shafts (3) has a limiting block (6) on one side of the lower center, and the bottom plate (2) has several limiting grooves (7) symmetrically arranged on one side of the inclined surface. The limiting blocks (6) of the three pressing and fixing plates (5) are respectively movably inserted into the limiting grooves (7) on one side. The lower end of the baffle plate (1) away from the bottom plate (2) is provided with a coarse filter box (13) horizontally. A coarse filter plate (14) is horizontally inserted inside the coarse filter box (13). A drain hole (15) is opened through the center of the lower end of the baffle plate (1), and the drain hole (15) is connected to the coarse filter box (13). The baffle plate (1) has an annular groove (16) on the side near the drain hole (15) and away from the coarse filter box (13). A central platform (17) is provided in the center of the annular groove (16), and an installation platform (18) is provided in the center of the central platform (17). An annular rotating plate (19) is inserted into the annular groove (16) and movably sleeved on the central platform (17). The annular rotating plate (19) has a horizontally mounted actuating ring (20) at its center via several support arms. The actuating ring (20) is movably connected to the mounting platform (18). The mounting platform (18) has a prismatic groove at its center. A prismatic plug (21) is inserted into the prismatic groove via a screw. Two constraint plates (22) are symmetrically arranged on both sides of the prismatic plug (21), and one side of the two constraint plates (22) is in contact with one side of the actuating ring (20). A spring box (23) is provided on one side of the support arm of the annular rotating plate (19). A spring groove is provided inside the spring box (23). A positioning rod (24) is inserted through the spring groove in the center of the spring box (23). A pressure plate is provided horizontally inside the spring groove. A positioning spring (25) is sleeved on the upper end of the positioning rod (24) on the pressure plate. A positioning hole (26) is provided in the center of one side of each of the two constraint plates (22). The positioning rod (24) is inserted through the spring box (23) on the side near the constraint plate (22) and is set in the positioning hole (26). The drain pipe (27) is connected to one side of the annular rotating plate (19). A fine filter plate (28) is inserted into one side of the drain pipe (27). The diameter of the filter hole of the fine filter plate (28) is smaller than that of the filter hole of the coarse filter plate (14). When drainage is required, the drain pipe (27) and the drain hole (15) are set accordingly.
2. The reusable waterproof retaining wall at the upper end of a foundation pit according to claim 1, characterized in that: The retaining wall plate (1) is provided with a U-shaped bracket (8) on one side. Two pins are horizontally symmetrically arranged on both sides of the U-shaped bracket (8). Two swing legs (9) are respectively movably sleeved with two pins on one side. Two telescopic legs (10) are respectively movably inserted into one side of the two swing legs (9). Several adjustment holes (11) are symmetrically opened on both telescopic legs (10). A docking hole is opened through one side of the swing leg (9). The docking hole of the swing leg (9) is corresponding to the adjustment hole (11) on one side of the telescopic leg (10). A connecting pin (12) is inserted between the docking hole of the swing leg (9) and the adjustment hole (11) of the telescopic leg (10).
Citation Information
Patent Citations
Building foundation pit construction safety supporting structure
CN112267470A