CN113513027B - Foundation ditch excavation keeps off native device - Google Patents
Foundation ditch excavation keeps off native device Download PDFInfo
- Publication number
- CN113513027B CN113513027B CN202110506037.1A CN202110506037A CN113513027B CN 113513027 B CN113513027 B CN 113513027B CN 202110506037 A CN202110506037 A CN 202110506037A CN 113513027 B CN113513027 B CN 113513027B
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- retaining plate
- soil retaining
- base
- supporting
- assembly
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention is suitable for the field of foundation pit support, and provides a foundation pit excavation soil retaining device, which comprises a base and a soil retaining plate, and further comprises: positioning mechanism, positioning mechanism includes supporting mechanism and horizontal thrust subassembly: the supporting mechanism is connected between the base and the soil retaining plate and is used for supporting the soil retaining plate and adjusting an included angle between the soil retaining plate and the base; the side end face of the base is connected with a fixing assembly used for fixedly connecting the base with the ground, the horizontal thrust assembly is rotatably connected with the supporting mechanism and can horizontally move under the thrust action of the supporting mechanism, and the horizontal thrust assembly is used for driving the fixing assembly to vertically move to increase the connecting depth of the fixing assembly and the ground so as to increase the stability of the base; the partial pressure mechanism, the partial pressure mechanism is connected with the fender breast board, the partial pressure mechanism is used for carrying out the partial pressure to the fender breast board through the gravity bearing area that the increase kept off the breast board and the positive bearing capacity that shifts and keep off the breast board.
Description
Technical Field
The invention belongs to the field of foundation pit supporting and particularly relates to a foundation pit excavation soil retaining device.
Background
The foundation pit is an earth pit excavated at the designed position of the foundation according to the base elevation and the plane size of the foundation, and the foundation pit support is used for preventing the collapse of earth around the foundation pit in a mode of supporting and retaining the foundation pit through a support plate or other modes so as to ensure the life safety of constructors during excavation of the foundation pit.
The existing foundation pit excavation soil retaining device is poor in supporting force, displacement and deformation are prone to occurring under the action of gravity of a soil slope, and large-scale foundation pit supporting work cannot be carried out. In order to avoid the above technical problems, it is necessary to provide a retaining device for excavation of foundation pit with better supporting force to overcome the above-mentioned defects in the prior art.
Disclosure of Invention
The embodiment of the invention aims to provide a foundation pit excavation soil retaining device, and aims to solve the problems that the existing foundation pit excavation soil retaining device is poor in supporting force and easy to displace and deform under the action of soil slope gravity.
The embodiment of the invention is realized in such a way that the foundation pit excavation soil retaining device comprises a base and a soil retaining plate, and further comprises:
positioning mechanism, positioning mechanism includes supporting mechanism and horizontal thrust subassembly:
the supporting mechanism is connected between the base and the soil retaining plate and is used for supporting the soil retaining plate and adjusting an included angle between the soil retaining plate and the base;
the side end face of the base is connected with a fixing assembly used for fixedly connecting the base with the ground, the horizontal thrust assembly is rotatably connected with the supporting mechanism and can horizontally move under the thrust action of the supporting mechanism, and the horizontal thrust assembly is used for driving the fixing assembly to vertically move to increase the connecting depth of the fixing assembly and the ground;
the partial pressure mechanism, the partial pressure mechanism is connected with the fender breast board, the partial pressure mechanism is used for carrying out the partial pressure to the fender breast board through the gravity bearing area that the increase kept off the breast board and the positive bearing capacity that shifts and keep off the breast board.
Further technical scheme, supporting mechanism is including being used for carrying out the shoring subassembly that supports to retaining the breast board and can adjust the angle adjustment subassembly of the contained angle between retaining the breast board and base through changing the shoring subassembly to retaining the supporting position of breast board.
Further technical scheme, the shore subassembly includes the bracing piece, the one end of bracing piece is passed through horizontal thrust subassembly and is connected with the base rotation, the other end of bracing piece rotates and is connected with the removal seat, remove seat sliding connection in the spout of fender apron side terminal surface, the outside cover of bracing piece is equipped with the sleeve, the sleeve passes through connecting rod and base swing joint.
According to the technical scheme, the angle adjusting assembly is a threaded rod, the two ends of the threaded rod are rotatably connected to the support of the end face of the retaining plate side, and the threaded rod is in threaded connection with the movable seat.
Further technical scheme, the pressure divider mechanism includes two blocks of curb plates, and two blocks of curb plates rotate relatively and connect the side end face at retaining the breast board, and the both sides that keep off the breast board all have a plurality of slide bars through the extension board, the slide bar all with the lateral wall slip through connection who keeps off the breast board, every slide bar all overlaps at the inboard one end of retaining the breast board and is equipped with first elastic component, be connected with between two spinal branch boards and drive the extension board and carry out the power component relative or that remove in opposite directions, the side end face that keeps off the breast board is provided with carries out the drainage subassembly of drainage to ponding in the soil layer.
According to the technical scheme, the drainage assembly comprises drainage grooves, the drainage grooves are fixedly connected with the soil retaining plate, the side end faces of the drainage grooves are inclined relative to the side end faces of the soil retaining plate, guide rails are arranged on the side end faces of the side plates relative to each drainage groove, and drain pipes are arranged on the side end faces of the soil retaining plate and communicated with the drainage grooves.
According to a further technical scheme, the power assembly comprises a positioning rod, two sections of threads in opposite directions are arranged on the positioning rod, and the two support plates are respectively in threaded connection with the two sections of threads on the positioning rod.
According to a further technical scheme, the horizontal thrust assembly comprises a sliding block, the sliding block is connected to the guide groove in the side end face of the base in a sliding mode, one end of the supporting rod is connected with the sliding block in a rotating mode, and a second elastic component is connected between the sliding block and the side wall of the guide groove.
Further technical scheme, fixed subassembly includes the inserted bar, the side end face of base rotates and is connected with gear sleeve, inserted bar and gear sleeve screw thread through connection, the side end face fixedly connected with rack of slider, rack and gear sleeve meshing transmission, thereby gear sleeve's lateral wall is connected with and is used for carrying on spacing messenger's rack and gear sleeve meshing's spacing subassembly all the time to the rack.
According to a further technical scheme, the limiting assembly comprises a limiting block, the limiting block is rotatably connected with one end of the gear sleeve, and the rack is connected with the limiting block in a sliding mode.
Compared with the prior art, the invention has the following beneficial effects:
according to the foundation pit excavation retaining device provided by the embodiment of the invention, the base is connected with the ground through the fixing assembly, the retaining plate supports the soil slope, the supporting mechanism is adjusted according to the volume of the soil slope, so that the included angle between the retaining plate and the base can be changed, the supporting strength of the retaining plate of the supporting mechanism is improved, the gravity bearing area of the retaining plate is increased through the pressure dividing mechanism, meanwhile, the front bearing force of the retaining plate is dispersed to other directions, so that the bearing force of the retaining plate can be effectively increased, when the retaining plate pushes the horizontal thrust assembly to move horizontally under the gravity action of the soil slope, the horizontal thrust assembly pushes the fixing assembly to be inserted into the ground, so that the fastening force of the base and the ground is increased, and the stability of the whole foundation pit excavation retaining device is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged schematic view of the area A in FIG. 1;
FIG. 4 is a schematic view showing the connection between the soil guard plate and the drainage groove in the present invention;
FIG. 5 is a schematic view of the connection between the gear sleeve and the limiting block according to the present invention.
In the drawings: the device comprises a base 1, a soil retaining plate 2, a support rod 3, a movable seat 4, a threaded rod 5, a side plate 6, a sliding rod 7, a first spring 8, a positioning rod 9, a drainage groove 10, a guide rail 11, a drain pipe 12, a sliding block 13, a limiting block 14, a rack 15, an inserted bar 16, a gear sleeve 17 and a second spring 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments. (the first and second elastic members may be elastic telescopic sleeves or springs in the present invention, and as a preferred embodiment of the present invention, in the following embodiments, the first and second elastic members are the first and second springs 8 and 18, respectively)
As shown in fig. 1, the retaining device for excavation of foundation pit provided by the invention comprises a base 1 and a retaining plate 2, and further comprises:
positioning mechanism, positioning mechanism includes supporting mechanism and horizontal thrust subassembly:
the supporting mechanism is connected between the base 1 and the retaining plate 2 and is used for supporting the retaining plate 2 and adjusting an included angle between the retaining plate 2 and the base 1;
the side end face of the base 1 is connected with a fixing assembly used for fixedly connecting the base 1 with the ground, the horizontal thrust assembly is rotatably connected with the supporting mechanism and can horizontally move under the thrust action of the supporting mechanism, and the horizontal thrust assembly is used for driving the fixing assembly to vertically move to increase the connecting depth of the fixing assembly and the ground so as to increase the stability of the base 1;
the pressure dividing mechanism is connected with the soil blocking plate 2 and is used for dividing the pressure of the soil blocking plate 2 by increasing the gravity bearing area of the soil blocking plate 2 and transferring the front bearing capacity of the soil blocking plate 2;
this excavation retaining device of foundation ditch, be connected base 1 through fixed subassembly and ground, it struts to the soil slope to keep off native board 2, the square adjustment supporting mechanism according to the soil slope can change the contained angle between retaining board 2 and base 1 in order to improve the support intensity that supporting mechanism kept off native board 2, the bearing capacity that can effectively increase retaining board 2 is dispersed to other directions to the positive bearing capacity that keeps off native board 2 simultaneously through the gravity bearing area of partial pressure mechanism increase retaining board 2, when retaining board 2 pushes horizontal thrust subassembly horizontal migration under the soil slope action of gravity, horizontal thrust subassembly promotes fixed subassembly and inserts to ground, thereby increase the anchorage force of base 1 and ground, increase whole excavation retaining device's steadiness.
In an embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the support mechanism includes: the top bracing assembly is used for supporting the soil blocking plate 2, and the angle adjusting assembly can adjust the included angle between the soil blocking plate 2 and the base 1 by changing the supporting position of the top bracing assembly on the soil blocking plate 2; support fender native board 2 through the shore subassembly, through the angle adjustment subassembly adjust the angle of keeping off native board 2 and base 1 within a definite time contained angle with the support intensity that improves supporting mechanism fender native board 2.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the top bracing assembly includes a supporting rod 3, one end of the supporting rod 3 is rotatably connected to the base 1 through a horizontal thrust assembly, the other end of the supporting rod 3 is rotatably connected to a moving seat 4, the moving seat 4 is slidably connected to a sliding groove on an end face of the retaining plate 2, a sleeve is sleeved on an outer side of the supporting rod 3, and the sleeve is movably connected to the base 1 through a connecting rod; thereby bracing piece 3 is connected with retaining plate 2 and supports retaining plate 2, the sleeve that 3 jackets of bracing piece were established passes through connecting rod and 1 swing joint of base, can support bracing piece 3 through the connecting rod to improve the support intensity of bracing piece 3.
In the embodiment of the present invention, the angle adjusting component may be an electric telescopic rod or a threaded rod, as shown in fig. 1, as a preferred embodiment of the present invention, the angle adjusting component is a threaded rod 5, both ends of the threaded rod 5 are rotatably connected to a support on the end face of the side of the soil retaining plate 2, and the threaded rod 5 is in threaded connection with the movable seat 4; rotating threaded rod 5, threaded rod 5 with remove 4 threaded connection on the seat, so threaded rod 5 drives and removes seat 4 and slide in the spout of retaining the 2 side end faces of earth board to adjust the contained angle between base 1 and the retaining board 2 and keep off the support intensity of earth board 2 with the improvement supporting mechanism.
In the embodiment of the present invention, as shown in fig. 1 to 2, as a preferred embodiment of the present invention, the pressure-dividing mechanism includes two side plates 6, the two side plates 6 are relatively rotatably connected to a side end surface of the soil-blocking plate 2, both sides of the soil-blocking plate 2 are connected to a plurality of sliding rods 7 through support plates, the sliding rods 7 are slidably connected to a side wall of the soil-blocking plate 2, one end of each sliding rod 7 on an inner side of the soil-blocking plate 2 is sleeved with a first spring 8, a power assembly for driving the support plates to move relatively or oppositely is connected between the two support plates, and a drainage assembly for draining accumulated water in a soil layer is disposed on the side end surface of the soil-blocking plate 2; can increase the gravity bearing area who keeps off native board 2 through curb plate 6, drive two extension boards through power component and relative or the motion in opposite directions, so two extension boards drive its fixed connection's slide bar 7 and keep off native board 2 relative slip to change the contained angle between two curb plates 6 and the fender native board 2, change the direction of force of two curb plates 6, provide the horizontal support power through first spring 8 and slide bar 7 to curb plate 6.
In the embodiment of the present invention, the drainage assembly may be a filtering hole or a drainage groove disposed on the side end surface of the retaining plate 2, as shown in fig. 1, as a preferred embodiment of the present invention, the drainage assembly includes a drainage groove 10, the drainage groove 10 is fixedly connected to the retaining plate 2, the side end surface of the drainage groove 10 is disposed obliquely with respect to the side end surface of the retaining plate 2, the side end surface of the side plate 6 is disposed with respect to each drainage groove 10 with a guide rail 11, the side end surface of the retaining plate 2 is disposed with a drainage pipe 12, and the drainage pipe 12 is communicated with the drainage groove 10; ponding in the earth is drained through guide rail and drainage groove 10 on retaining plate 2, and ponding in the soil layer is discharged through drain pipe 12 at last, reduces this foundation ditch excavation and keeps off the bearing capacity of soil device.
In the embodiment of the invention, the power assembly can be an electric telescopic rod and a threaded telescopic sleeve which are connected between two support plates, as shown in fig. 1-2, the power assembly comprises a positioning rod 9, two sections of threads in opposite directions are arranged on the positioning rod 9, the two support plates are respectively in threaded connection with the two sections of threads on the positioning rod 9, so that the positioning rod 9 is rotated, and the two support plates are driven by the positioning rod 9 to move oppositely or oppositely.
In the embodiment of the present invention, the horizontal thrust assembly may be a roller or a slider slidably connected in a guide groove on a side end surface of the base 1, as shown in fig. 1 and fig. 3, as a preferred embodiment of the present invention, the horizontal thrust assembly includes a slider 13, the slider 13 is slidably connected in a guide groove on a side end surface of the base 1, one end of the support rod 3 is rotatably connected with the slider 13, and a second spring 18 is connected between the slider 13 and a side wall of the guide groove; the sliding block 13 is pushed by the top support component to slide along the guide groove on the side end face of the base 1, the sliding block 13 compresses the second spring 18 to contract, and meanwhile, the sliding block 13 drives the rack 15 to move.
In the embodiment of the present invention, a gear sleeve 17 is rotatably connected to a side end surface of the base 1, the fixing component may be a cross bar fixedly connected to an inner side wall of the gear sleeve 17, a vertical bar is slidably connected to an inside of the gear sleeve 17 in a penetrating manner, a guide groove is spirally arranged on an outer side wall of the vertical bar, the cross bar is slidably connected to the guide groove, as shown in fig. 3, as a preferred embodiment of the present invention, the fixing component includes an inserted bar 16, the inserted bar 16 is in threaded penetrating connection with the gear sleeve 17, a rack 15 is fixedly connected to a side end surface of the slider 13, the rack 15 is in meshing transmission with the gear sleeve 17, and a limiting component for limiting the rack 15 so that the rack 15 and the gear sleeve 17 are always meshed is connected to an outer side wall of the gear sleeve 17; rack 15 drives gear sleeve 17 and rotates, so gear sleeve 17 and inserted bar 16 screw drive, so inserted bar 16 moves in vertical direction, increases the fastening power on base 1 and ground through inserted bar 16, increases whole foundation ditch excavation soil blocking device's steadiness.
In the embodiment of the present invention, as shown in fig. 3, as a preferred embodiment of the present invention, the limiting component includes a limiting block 14, the limiting block 14 is rotatably connected to one end of a gear sleeve 17, and the rack 15 is slidably connected to the limiting block 14.
The foundation pit excavation retaining device is characterized in that a base 1 is connected with the ground through a fixing assembly, a retaining plate 2 supports a soil slope, a supporting mechanism is adjusted according to the volume of the soil slope, the included angle between the retaining plate 2 and the base 1 can be changed to improve the supporting strength of the retaining plate 2 of the supporting mechanism, the gravity bearing area of the retaining plate 2 is increased through a pressure dividing mechanism, meanwhile, the front bearing force of the retaining plate 2 is dispersed to other directions to effectively increase the bearing force of the retaining plate 2, when the retaining plate 2 pushes a horizontal thrust assembly to move horizontally under the action of the gravity of the soil slope, the horizontal thrust assembly pushes the fixing assembly to insert into the ground, so that the fastening force of the base 1 and the ground is increased, and the stability of the whole foundation pit excavation retaining device is improved; in the pressure divider mechanism, through the gravity bearing area that curb plate 6 increases fender native board 2, drive two extension boards through locating lever 9 and relative or the motion in opposite directions, so two extension boards drive its fixed connection's slide bar 7 and keep off native board 2 relative slip to change the contained angle between two blocks of curb plates 6 and fender native board 2, change the direction of force of two blocks of curb plates 6, provide the horizontal support power through first spring 8 and slide bar 7 to curb plate 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a foundation ditch excavation keeps off native device, includes base and fender breast board, its characterized in that still includes:
positioning mechanism, positioning mechanism includes supporting mechanism and horizontal thrust subassembly:
the supporting mechanism is connected between the base and the soil retaining plate and is used for supporting the soil retaining plate and adjusting an included angle between the soil retaining plate and the base;
the side end face of the base is connected with a fixing assembly used for fixedly connecting the base with the ground, the horizontal thrust assembly is rotatably connected with the supporting mechanism and can horizontally move under the thrust action of the supporting mechanism, and the horizontal thrust assembly is used for driving the fixing assembly to vertically move to increase the connecting depth of the fixing assembly and the ground;
the pressure dividing mechanism is connected with the soil retaining plate and is used for dividing the pressure of the soil retaining plate by increasing the gravity bearing area of the soil retaining plate and transferring the front bearing force of the soil retaining plate;
the support mechanism includes: the top support component is used for supporting the soil blocking plate; the angle adjusting component can adjust the included angle between the retaining plate and the base by changing the supporting position of the top supporting component to the retaining plate;
the top bracing assembly comprises a supporting rod, one end of the supporting rod is rotatably connected with the base through a horizontal thrust assembly, the other end of the supporting rod is rotatably connected with a moving seat, the moving seat is slidably connected in a chute on the lateral end face of the retaining plate, a sleeve is sleeved on the outer side of the supporting rod, and the sleeve is movably connected with the base through a connecting rod;
the angle adjusting assembly is a threaded rod, two ends of the threaded rod are rotatably connected to the support on the end surface of the soil retaining plate side, and the threaded rod is in threaded connection with the movable seat;
the horizontal thrust assembly comprises a sliding block, the sliding block is connected in a guide groove on the side end face of the base in a sliding mode, one end of the supporting rod is rotatably connected with the sliding block, and a second elastic component is connected between the sliding block and the side wall of the guide groove;
the fixed assembly comprises an insert rod, a gear sleeve is rotatably connected to the side end face of the base, the insert rod is in threaded penetration connection with the gear sleeve, a rack is fixedly connected to the side end face of the sliding block, the rack is in meshing transmission with the gear sleeve, and a limiting assembly used for limiting the rack so that the rack is always meshed with the gear sleeve is connected to the outer side wall of the gear sleeve;
the limiting assembly comprises a limiting block, the limiting block is rotatably connected with one end of the gear sleeve, and the rack is connected with the limiting block in a sliding mode.
2. The foundation pit excavation soil retaining device of claim 1, wherein the pressure dividing mechanism comprises two side plates, the two side plates are relatively rotatably connected to the side end face of the soil retaining plate, two sides of the soil retaining plate are respectively connected with a plurality of slide rods through support plates, the slide rods are respectively connected with the side wall of the soil retaining plate in a sliding and penetrating manner, one end of each slide rod, which is located on the inner side of the soil retaining plate, is sleeved with a first elastic member, a power assembly for driving the support plates to move relatively or oppositely is connected between the two support plates, and the side end face of the soil retaining plate is provided with a drainage assembly for draining accumulated water in a soil layer.
3. The foundation pit excavation soil retaining device of claim 2, wherein the drainage assembly comprises drainage grooves, the drainage grooves are fixedly connected with the soil retaining plate, the side end faces of the drainage grooves are obliquely arranged relative to the side end faces of the soil retaining plate, the side end faces of the side plates are provided with guide rails relative to each drainage groove, and the side end faces of the soil retaining plate are provided with drainage pipes which are communicated with the drainage grooves.
4. The foundation pit excavation soil retaining device of claim 2, wherein the power assembly comprises a positioning rod, two sections of threads in opposite directions are arranged on the positioning rod, and the two support plates are respectively in threaded connection with the two sections of threads on the positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506037.1A CN113513027B (en) | 2021-05-10 | 2021-05-10 | Foundation ditch excavation keeps off native device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506037.1A CN113513027B (en) | 2021-05-10 | 2021-05-10 | Foundation ditch excavation keeps off native device |
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| CN113513027A CN113513027A (en) | 2021-10-19 |
| CN113513027B true CN113513027B (en) | 2022-06-03 |
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| CN202110506037.1A Active CN113513027B (en) | 2021-05-10 | 2021-05-10 | Foundation ditch excavation keeps off native device |
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| CN114250792B (en) * | 2022-01-07 | 2023-03-31 | 河南中原岩土工程有限公司 | Deep foundation pit supporting device with alarming function |
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| CN112482398A (en) * | 2020-12-11 | 2021-03-12 | 胡剑 | Deep foundation pit supporting device easy for drainage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2524180A (en) * | 2012-10-23 | 2015-09-16 | Eextreme Global Ltd | A Retention device |
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|---|---|---|---|---|
| CN110158619A (en) * | 2018-03-21 | 2019-08-23 | 河南工程学院 | A kind of side slope Anti-sliding stopping structure |
| CN211421106U (en) * | 2019-12-05 | 2020-09-04 | 辽宁省晟泰岩土工程有限公司 | Adjustable assembled soil supporting construction between stake |
| CN212477748U (en) * | 2020-04-23 | 2021-02-05 | 武汉市市政工程机械化施工有限公司 | Simple foundation pit supporting structure |
| CN212641506U (en) * | 2020-05-29 | 2021-03-02 | 四川远宏济建设工程有限公司 | Water conservancy river dykes and dams construction is with keeping off native device |
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| CN112482398A (en) * | 2020-12-11 | 2021-03-12 | 胡剑 | Deep foundation pit supporting device easy for drainage |
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| CN113513027A (en) | 2021-10-19 |
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