CN219033237U - Karst area foundation excavation anti-collapse reinforcing apparatus - Google Patents
Karst area foundation excavation anti-collapse reinforcing apparatus Download PDFInfo
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- CN219033237U CN219033237U CN202223503061.9U CN202223503061U CN219033237U CN 219033237 U CN219033237 U CN 219033237U CN 202223503061 U CN202223503061 U CN 202223503061U CN 219033237 U CN219033237 U CN 219033237U
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- foundation excavation
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Abstract
The utility model relates to the technical field of foundation reinforcement and discloses a collapse-preventing reinforcement device for foundation excavation in karst areas, which comprises a first bottom plate and a second bottom plate, wherein one end of the top of the first bottom plate is provided with a main shaft, the outer side of a sliding rail is provided with a sliding block, the top of the sliding block is provided with a supporting plate, two sides of the supporting plate are rotatably connected with electric hydraulic rods, the top of the supporting plate is provided with a rotating shaft, the outer side of the top of the rotating shaft is provided with a top plate, and the top plate is slidably connected with the top end of the electric hydraulic rod.
Description
Technical Field
The utility model relates to the technical field of foundation reinforcement, in particular to a collapse-preventing reinforcement device for foundation excavation in karst areas.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation, when a building foundation pit is excavated, the foundation pit needs to be supported in time, otherwise, the foundation pit is easy to deform and collapse, and the traditional foundation pit supporting structure is built in the foundation pit on site through the supporting plates and the inclined struts. The karst is formed by chemical corrosion of soluble rocks such as limestone, marl and dolomite for a long time, part of the rock mass contains argillaceous and is more severely weathered, so that the upper soil layer is thicker, the lower bedrock rock mass is broken, and the karst is easier to deform and collapse when a building foundation pit is excavated in a karst area due to the characteristic of the karst, so that a reinforcing and supporting device is needed.
The publication number is: the Chinese patent of CN217629962U discloses a collapse-preventing reinforcement device for foundation excavation in karst areas, which comprises: the bottom plate is provided with pressing plates at the left side and the right side; the pressing plate direction changing mechanism comprises a sliding plate and a bearing seat; the bottom plate is connected with a bearing seat through a sliding plate, a round sleeve is connected in the bearing seat in a rotating manner, the outer wall of the round sleeve is connected with the pressing plate through a connecting plate, a matching groove is formed in the inner wall of the round sleeve, a cylinder is connected in a sliding manner in the round sleeve, an extension plate arranged on the outer wall of the cylinder is connected in the matching groove in a sliding manner, one side of the cylinder is fixedly connected with a threaded rod, a template is connected on the bearing seat, and the threaded rod is connected in a rotating manner in a threaded hole formed in the template. The utility model provides a karst area foundation excavation prevents clamp plate direction change mechanism that reinforcing apparatus set up makes the clamp plate can demonstrate with multiple angle for the clamp plate laminating foundation ditch is convenient for stabilize support reinforcement foundation ditch.
From an analysis of the above technical solution, it is known that: some foundation pit sides have certain inclination, and traditional foundation pit supporting structure is difficult to reach satisfactory supporting effect.
Disclosure of Invention
The utility model aims to provide a collapse-preventing reinforcement device for foundation excavation in karst areas, which aims to solve the problem that the two sides of a foundation pit provided in the background art have a certain inclination, and a traditional foundation pit supporting structure is difficult to achieve a satisfactory supporting effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a karst area foundation excavation reinforcing apparatus that collapses, includes first bottom plate and second bottom plate, first bottom plate top one end is equipped with the main shaft, the main shaft outside rotates and is connected with the second bottom plate, first bottom plate and second bottom plate top both sides are equipped with the slide rail, the slide rail outside is equipped with the slider, the slider top is equipped with the backup pad, the backup pad both sides rotate and are connected with electric hydraulic stem, the backup pad top is equipped with the pivot, the pivot top outside is equipped with the roof, roof and electric hydraulic stem top sliding connection.
Further, first bottom plate and second bottom plate top central authorities are equipped with preceding hydraulic stem, preceding hydraulic stem piston rod one end and slider fixed connection, preceding hydraulic stem stiff end are equipped with the baffle, slide rail keeps away from baffle one end and is equipped with the stopper.
Further, a chute is formed in the joint of the bottom of the top plate and the electric hydraulic rod, a rotating shaft hinge is connected in a sliding mode in the chute, the rotating shaft hinge is connected with the top of the piston rod of the electric hydraulic rod in a rotating mode, and limiting blocks are arranged at two ends of the chute.
Further, the bearing seat is arranged at the connecting part of the rotating shaft at the top of the supporting plate, the rotating shaft is rotationally connected inside the bearing seat, and a fixing sleeve is arranged between the bottom end of the supporting plate and the outer wall of the rotating shaft.
Further, the bottom surfaces of the first bottom plate and the second bottom plate are flush, mounting and fixing holes are formed in two sides of one end of the first bottom plate, and mounting and fixing holes are formed in two sides of one end of the second bottom plate.
Further, the sliding rail comprises two parallel rails, and the sliding rail protrudes out of the top surface of the first bottom plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the first bottom plate, the second bottom plate and the electric hydraulic rod, when the foundation excavation collapse prevention reinforcing device in a karst area is used, the first bottom plate and the second bottom plate are connected through the rotation of the main shaft, when the foundation is reinforced, the angle between the first bottom plate and the second bottom plate can be adjusted according to the supporting point, then the position of the sliding block on the sliding rail is adjusted through the advancing hydraulic rod, so that the position of the top plate is adjusted, the top plate is rotated around the rotating shaft through the extension and retraction of the electric hydraulic rod, the angle of the top plate is adjusted, the top plate can be conveniently displayed in various angles, the top plate can be attached to a foundation pit, and the foundation pit is conveniently stably supported and reinforced.
Drawings
FIG. 1 is a perspective view showing an unfolded state of a collapse-preventing reinforcement device for foundation excavation in karst areas;
FIG. 2 is a perspective view of an expanded state of the collapse preventing reinforcement device for foundation excavation in karst areas according to the present utility model;
FIG. 3 is a perspective view showing a folded state of the collapse-preventing reinforcement device for foundation excavation in karst areas according to the present utility model;
fig. 4 is a perspective view showing another view of a folded state of the collapse preventing reinforcement device for foundation excavation in karst areas according to the present utility model.
In the figure: 1-a first bottom plate; 2-sliding rails; 3-a slider; 4-supporting plates; 5-rotating shaft; 6-top plate; 7-an electric hydraulic rod; 8-a main shaft; 9-a second bottom plate; 10-advancing the hydraulic rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a karst area foundation excavation reinforcing apparatus that collapses that prevents, including first bottom plate 1 and second bottom plate 9, first bottom plate 1 top one end is equipped with main shaft 8, and main shaft 8 outside rotates and is connected with second bottom plate 9, and first bottom plate 1 and second bottom plate 9 top both sides are equipped with slide rail 2, and the slide rail 2 outside is equipped with slider 3, and slider 3 top is equipped with backup pad 4, and backup pad 4 both sides rotate and are connected with electric hydraulic stem 7, and backup pad 4 top is equipped with pivot 5, and pivot 5 top outside is equipped with roof 6, roof 6 and electric hydraulic stem 7 top sliding connection. When carrying out foundation stabilization, can adjust the angle between first bottom plate 1 and the second bottom plate 9 according to the supporting point position, then adjust the position of slider 3 on slide rail 2 through advancing hydraulic stem 10 to adjust the position of roof 6, through the extension and the withdrawal of electronic hydraulic stem 7, make roof 6 rotate round pivot 5, thereby adjust the angle of roof 6, roof 6 of being convenient for demonstrates with multiple angle, make roof 6 can laminate the foundation ditch, the stable foundation ditch of strengthening that struts of being convenient for.
The center of the tops of the first bottom plate 1 and the second bottom plate 9 is provided with an advancing hydraulic rod 10, one end of a piston rod of the advancing hydraulic rod 10 is fixedly connected with the sliding block 3, the fixed end of the advancing hydraulic rod 10 is provided with a baffle, and one end, far away from the baffle, of the sliding rail 2 is provided with a limiting block. The position of the slide 3 on the slide rail 2 is adjusted by advancing the hydraulic rod 10, thereby adjusting the position of the top plate 6.
The spout has been seted up to roof 6 bottom and electric hydraulic stem 7 junction, and sliding connection has the pivot hinge in the spout, and pivot hinge and electric hydraulic stem 7 piston rod top rotate and are connected, when adjusting the angle of roof 6, electric hydraulic stem 7 can slide in the spout along with the change of roof 6 angle, and the smooth and easy of roof 6 angle regulation of being convenient for prevents the motion interference.
Limiting blocks are arranged at two ends of the sliding groove, and the electric hydraulic rod 7 is prevented from falling off the sliding groove through the limiting blocks.
The backup pad 4 top is located pivot 5 junction portion and is equipped with the bearing frame, and pivot 5 rotates to be connected inside the bearing frame, is equipped with fixed cover between backup pad 4 bottom and the pivot 5 outer wall, can provide the guiding axle to the rotation of roof 6 through pivot 5, guarantees the stability that roof 6 supported.
The first bottom plate 1 and the second bottom plate 9 bottom surface are parallel and level mutually, and the installation fixed orifices has been seted up to first bottom plate 1 one end both sides, and the installation fixed orifices has been seted up to second bottom plate 9 one end both sides, through installation fixed orifices cooperation rag bolt, can fix first bottom plate 1 and second bottom plate 9 in the foundation bottom surface, guarantees that first bottom plate 1 and second bottom plate 9 installation are fixed stable.
The slide rail 2 includes two tracks that are parallel, and slide rail 2 protrusion is in first bottom plate 1 top surface, and through the direction of two slide rails, slider 3 slip stability of being convenient for.
Working principle: when the karst area foundation excavation anti-collapse reinforcing apparatus uses, rotate through main shaft 8 and connect first bottom plate 1 and second bottom plate 9, when carrying out the foundation stabilization, can adjust the angle between first bottom plate 1 and the second bottom plate 9 according to the supporting point position, then adjust the position of slider 3 on slide rail 2 through advancing hydraulic stem 10 to adjust the position of roof 6, through the extension and the withdrawal of electronic hydraulic stem 7, make roof 6 rotate round pivot 5, thereby adjust the angle of roof 6, roof 6 of being convenient for demonstrates with multiple angle, make roof 6 can laminate the foundation ditch, the stable support of being convenient for consolidates the foundation ditch.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides a karst area foundation excavation reinforcing apparatus that collapses that prevents, includes first bottom plate (1) and second bottom plate (9), its characterized in that: first bottom plate (1) top one end is equipped with main shaft (8), main shaft (8) outside rotates and is connected with second bottom plate (9), first bottom plate (1) and second bottom plate (9) top both sides are equipped with slide rail (2), slide rail (2) outside is equipped with slider (3), slider (3) top is equipped with backup pad (4), backup pad (4) both sides rotate and are connected with electronic hydraulic stem (7), backup pad (4) top is equipped with pivot (5), pivot (5) top outside is equipped with roof (6), roof (6) and electronic hydraulic stem (7) top sliding connection.
2. The karst region foundation excavation collapse-preventing reinforcing apparatus according to claim 1, wherein: the novel sliding rail is characterized in that an advancing hydraulic rod (10) is arranged at the center of the tops of the first bottom plate (1) and the second bottom plate (9), one end of a piston rod of the advancing hydraulic rod (10) is fixedly connected with the sliding block (3), a baffle is arranged at the fixed end of the advancing hydraulic rod (10), and a limiting block is arranged at one end, far away from the baffle, of the sliding rail (2).
3. The karst region foundation excavation collapse-preventing reinforcing apparatus according to claim 1, wherein: the electric hydraulic rod is characterized in that a sliding groove is formed in the joint of the bottom of the top plate (6) and the electric hydraulic rod (7), a rotating shaft hinge is connected in a sliding manner in the sliding groove, the rotating shaft hinge is rotatably connected with the top of a piston rod of the electric hydraulic rod (7), and limiting blocks are arranged at two ends of the sliding groove.
4. The karst region foundation excavation collapse-preventing reinforcing apparatus according to claim 1, wherein: the top of the supporting plate (4) is provided with a bearing seat at the connecting part of the rotating shaft (5), the rotating shaft (5) is rotationally connected inside the bearing seat, and a fixing sleeve is arranged between the bottom of the supporting plate (4) and the outer wall of the rotating shaft (5).
5. The karst region foundation excavation collapse-preventing reinforcing apparatus according to claim 1, wherein: the bottom surfaces of the first bottom plate (1) and the second bottom plate (9) are flush, mounting and fixing holes are formed in two sides of one end of the first bottom plate (1), and mounting and fixing holes are formed in two sides of one end of the second bottom plate (9).
6. The karst region foundation excavation collapse-preventing reinforcing apparatus according to claim 1, wherein: the sliding rail (2) comprises two parallel rails, and the sliding rail (2) protrudes out of the top surface of the first bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223503061.9U CN219033237U (en) | 2022-12-27 | 2022-12-27 | Karst area foundation excavation anti-collapse reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223503061.9U CN219033237U (en) | 2022-12-27 | 2022-12-27 | Karst area foundation excavation anti-collapse reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219033237U true CN219033237U (en) | 2023-05-16 |
Family
ID=86312301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223503061.9U Active CN219033237U (en) | 2022-12-27 | 2022-12-27 | Karst area foundation excavation anti-collapse reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219033237U (en) |
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2022
- 2022-12-27 CN CN202223503061.9U patent/CN219033237U/en active Active
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