CN220394554U - Supporting mechanism for excavating civil foundation pit - Google Patents

Abstract

The utility model discloses a support mechanism for excavation of civil construction foundation pits, which belongs to the technical field of civil construction foundation pits. The key points of the technical solution include a support plate. The top of the support plate is provided with a pulling mechanism. The support plate The front side of the support plate is provided with a support plate, the number of the support plate is two, and support rods are provided on both sides of the front side of the support plate; the pulling mechanism includes two first taper nails, two third A through hole and a rotating plate, the first through hole is opened inside the rotating plate, the bottom of the first taper nail passes through the first through hole and extends to the bottom of the rotating plate, and the two sides of the bottom of the front side of the rotating plate Both sides are equipped with high-strength hinges, which solves the problem of existing support methods such as row piles, row piles plus anchor rods, or cast-in-situ reinforced concrete support structures to support foundation pits. Not only does the construction period be long, but also this method The amount of steel and concrete is greatly increased, and it cannot be recycled at the end of the project, resulting in a waste of resources and thus affecting the use effect.

Description

A supporting mechanism for excavation of civil construction foundation pits

Technical field

The utility model relates to the technical field of civil construction foundation pits, and in particular to a support mechanism used for excavation of civil construction foundation pits.

Background technique

A civil foundation pit is a pit excavated at the designed location of the land foundation according to the base elevation and foundation plane dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data and the conditions of buildings near the site, and waterproofing and drainage work should be done. , after the civil construction foundation pit is excavated, a supporting structure needs to be used to support the inner wall of the foundation pit.

Currently, the Chinese patent with the announcement number CN211006683U discloses a foundation pit support structure and foundation pit support components, which involves the technical field of construction engineering. The foundation pit support structure includes supporting piles, annular plate bracing and planting bars; The supporting piles and the annular plate bracing are connected through planting bars; the supporting piles are provided with mounting holes for inserting planting bars. During use, the construction personnel set the planting bars in the reserved mounting holes of the supporting piles, and then Let the annular plate bracing be connected to the supporting piles through planting bars. It can be seen from the above that planting reinforcements can connect the supporting piles and the annular plate bracing as a whole, thereby enhancing their integrity and making the stress of the foundation pit support structure more reasonable. , which can enhance the stability of the foundation pit supporting structure and reduce the pressure of the foundation pit supporting structure on the foundation soil.

Currently, foundation pits are often supported by pile rows, pile rows and anchor rods, or cast-in-situ reinforced concrete support structures. Not only does the construction period take a long time, but it also greatly increases the amount of steel bars and concrete. It cannot be recycled at the end of the project, resulting in a waste of resources.

Utility model content

The utility model provides a support mechanism for excavation of civil construction foundation pits, aiming to solve the problem of the existing support methods of pile rowing, rowing piles plus anchor rods or cast-in-situ reinforced concrete support structures for foundation pit excavation. Supporting not only takes a long construction period, but also greatly increases the amount of steel and concrete, and cannot be recycled at the end of the project, resulting in a waste of resources and thus affecting the use effect.

The utility model is realized in this way. A support mechanism for excavation of civil construction foundation pits includes a support plate. The top of the support plate is provided with a pulling mechanism. The front side of the support plate is provided with a support plate. The number of the support plates is two, and support rods are provided on both sides of the front side of the support plate;

The pulling mechanism includes two first awl nails, two first through holes and a rotating plate. The first through holes are opened inside the rotating plate, and the bottom of the first awl nail passes through the first through hole. and extends to the bottom of the rotating plate.

In order to achieve the effect of conveniently rotating the rotating plate and the support plate, as a preferred supporting mechanism for civil construction foundation pit excavation of the present invention, both sides of the front bottom of the rotating plate are provided with high-strength composites. Page, the connection between the rotating plate and the support plate is rotationally connected through a high-strength hinge.

In order to achieve the effect of conveniently placing the second taper nail, as a preferred supporting mechanism for civil construction foundation pit excavation of the present invention, a fixing box is fixedly connected to the bottom of the front side of the support plate, and the fixing box has There are several placement holes inside. A second awl nail is placed inside the placement hole. The bottom of the second awl nail extends to the inside of the placement hole.

In order to achieve the effect of limiting the position of the second cone nail, as a supporting mechanism for civil construction foundation pit excavation of the present invention, a first magnet is embedded inside the fixed box, and the second cone nail is embedded in the interior of the fixing box. The surface of the nail is magnetically attracted to the first magnet.

In order to achieve the effect of conveniently connecting the support block and the support plate, as a preferred supporting mechanism for civil construction foundation pit excavation of the present invention, a second through hole is provided inside the support plate, and the third through hole is provided inside the support plate. The number of the two through holes is several, and the front side of the support plate is fixedly connected with the limiting ring.

In order to achieve the effect of connecting the support plate and the support plate, as a preferred support mechanism for civil construction foundation pit excavation of the present invention, a limit button is provided on the front side of the support plate, and the limit button The back side passes through the support plate and is threadedly connected to the internal thread of the support plate.

In order to achieve the effect of facilitating the rotation of the support rods, as a preferred support mechanism for excavation of civil construction foundation pits of the present invention, both sides of the front side of the support plate are fixedly connected with rotating frames, and the support rods rotate Connected to the inside of the turntable, the front side of the support rod is fixedly connected with a handle.

In order to achieve the effect of conveniently extending the telescopic rod, as a supporting mechanism for civil construction foundation pit excavation of the present invention, a telescopic rod is provided at the bottom of the support rod, and the top of the telescopic rod extends to the inside of the support pole and is threadedly connected to the inside of the support pole. The surface of the telescopic rod is fixedly connected with a screwing column. The number of the screwing columns is four. The bottom of the telescopic rod is rotationally connected with a support block.

In order to achieve the effect of limiting the position of the support pole, as a preferred support mechanism for civil construction foundation pit excavation of the present invention, second magnets are fixedly connected to both sides of the front side of the support plate, and the second magnet is fixedly connected to both sides of the front side of the support plate. The two magnets are magnetically attracted to the surface of the support rod.

In order to achieve the effect of limiting the position of the first taper nail, as a preferred supporting mechanism for civil construction foundation pit excavation of the present invention, a third magnet is embedded inside the support rod.

Compared with the existing technology, the beneficial effects of this utility model are:

This support mechanism for civil construction foundation pit excavation supports the support plate using support rods, telescopic rods, support blocks and support plates, and the rotating plate and the first taper nail pull the support plate so that the support plate can be supported. The board supports the inner wall of the foundation pit, pull up the first and second taper nails, connect the support plate and the support plate, and then magnetically attract the support rod and the second magnet to store it, and then move the turning plate to After flipping over, the support plate can be easily transported and recycled, which avoids the existing support methods of pile rowing, rowing piles plus anchor rods or cast-in-situ reinforced concrete support structures to support the foundation pit. , not only the construction period is long, but also it greatly increases the amount of steel bars and concrete, and it cannot be recycled at the end of the project, causing a waste of resources.

Description of the drawings

Figure 1 is an overall structural diagram of the support mechanism used for civil construction foundation pit excavation according to the present invention;

Figure 2 is a schematic diagram of the three-dimensional connection of the pulling mechanism in the present utility model;

Figure 3 is a schematic three-dimensional structural diagram of the fixed box in the utility model;

Figure 4 is a three-dimensional exploded schematic diagram of the support plate and the limit button of the utility model;

Figure 5 is a schematic diagram of the three-dimensional connection between the support rod and the second magnet in the utility model;

Figure 6 is a schematic diagram of the three-dimensional connection between the support rod and the rotating frame in the utility model;

Figure 7 is a schematic diagram of the three-dimensional connection between the telescopic rod and the support rod in the utility model.

In the figure, 1. Support plate; 2. Pulling mechanism; 201. First taper nail; 202. First through hole; 203. Rotating plate; 3. Support plate; 4. Fixed box; 5. Support rod; 6. Turntable; 7. High-strength hinge; 8. Placement hole; 9. First magnet; 10. Second through hole; 11. Limit ring; 12. Limit button; 13. Handle; 14. Twist column; 15 , the second magnet; 16. the support block; 17. the telescopic rod; 18. the third magnet; 19. the second taper nail.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical" The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise clearly and specifically limited.

Please refer to Figures 1-7. The present utility model provides a technical solution: a support mechanism for excavation of civil construction foundation pits, including a support plate 1. The top of the support plate 1 is provided with a pulling mechanism 2, and the front of the support plate 1 There are support plates 3 on the side, the number of support plates 3 is two, and support rods 5 are provided on both sides of the front side of the support plate 1;

The pulling mechanism 2 includes two first awl nails 201, two first through holes 202 and a rotating plate 203. The first through holes 202 are opened inside the rotating plate 203, and the bottom of the first awl nail 201 passes through the first through hole. The hole 202 extends to the bottom of the rotating plate 203 .

In this embodiment: by supporting the support plate 1 using the support rod 5, the telescopic rod 17, the support block 16 and the support plate 3, the rotating plate 203 and the first taper nail 201 pull the support plate 1, so that The support plate 1 supports the inner wall of the foundation pit, pull up the first taper nail 201 and the second taper nail 19, connect the support plate 3 and the support plate 1, and then magnetically attract the support rod 5 to the second magnet 15 To store and then flip the rotating plate 203 backward, the support plate 1 can be conveniently transported, recycled and reused, thus avoiding the existing common use of rowing piles, rowing piles plus anchor rods or using cast-in-situ reinforced concrete supporting structures. The use of supporting methods to support the foundation pit not only takes a long construction period, but also greatly increases the amount of steel bars and concrete, and cannot be recycled at the end of the project, causing a waste of resources.

As a technical optimization solution of the present invention, high-strength hinges 7 are provided on both sides of the front bottom of the rotating plate 203. The connection between the rotating plate 203 and the support plate 1 is rotationally connected by the high-strength hinges 7.

In this embodiment, the rotating plate 203 is rotationally connected to the support plate 1 through the high-strength hinge 7 so that the rotating plate 203 can rotate, thereby achieving the effect of conveniently rotating the rotating plate 203 and the supporting plate 1 .

As a technical optimization solution of the present invention, a fixing box 4 is fixedly connected to the bottom of the front side of the support plate 1. A placement hole 8 is provided inside the fixing box 4. The number of the placement holes 8 is several. There are several placement holes 8 placed inside the placement hole 8. The bottom of the second taper nail 19 extends to the inside of the placement hole 8 .

In this embodiment, by inserting the second taper nail 19 into the placement hole 8, the second taper nail 19 can be placed, thereby achieving the effect of convenient placement of the second taper nail 19.

As a technical optimization solution of the present invention, a first magnet 9 is embedded inside the fixed box 4 , and the surface of the second taper nail 19 is magnetically attracted to the first magnet 9 .

In this embodiment, through the magnetic attraction between the second taper nail 19 and the first magnet 9 , the position of the second taper nail 19 can be limited, thereby achieving the effect of limiting the position of the second taper nail 19 .

As a technical optimization solution of the present invention, a plurality of second through holes 10 are provided inside the support plate 3 , and a limiting ring 11 is fixedly connected to the front side of the support plate 3 .

In this embodiment, by moving the support block 16 to the inside of the limiting ring 11, the support block 16 and the support plate 3 can be connected, thereby achieving the effect of conveniently connecting the support block 16 and the support plate 3.

As a technical optimization solution of the present invention, a limit button 12 is provided on the front side of the support plate 3, and the rear side of the limit button 12 passes through the support plate 3 and is threadedly connected to the interior of the support plate 1.

In this embodiment: by moving the support plate 3 to the front side of the support plate 1, passing the limit button 12 through the support plate 3, and then connecting the limit button 12 with the internal thread of the support plate 1, the support plate can be 3 is connected with the support plate 1 to achieve the effect of connecting the support plate 3 with the support plate 1.

As a technical optimization solution of the present invention, both sides of the front side of the support plate 1 are fixedly connected with the turntable 6 , the support rod 5 is rotatably connected inside the turntable 6 , and the front side of the support rod 5 is fixedly connected with the handle 13 .

In this embodiment, the support rod 5 is connected to the inside of the turret 6 through rotation, so that the support rod 5 can rotate, thereby achieving the effect of facilitating the rotation of the support rod 5 .

As a technical optimization solution of the present invention, a telescopic rod 17 is provided at the bottom of the strut 5. The top of the telescopic rod 17 extends to the inside of the strut 5 and is threadedly connected to the interior of the strut 5. The surface of the telescopic rod 17 is fixedly connected with The number of screwing columns 14 is four, and the bottom of the telescopic rod 17 is rotatably connected with a support block 16 .

In this embodiment: the telescopic rod 17 is threadedly connected to the inside of the strut 5. When the telescopic rod 17 rotates, the telescopic rod 17 can be extended outward from the inside of the strut 5, which facilitates the extension of the telescopic rod 17. Effect.

As a technical optimization solution of the present invention, second magnets 15 are fixedly connected to both sides of the front side of the support plate 1 , and the second magnets 15 are magnetically attracted to the surface of the support rod 5 .

In this embodiment, by rotating the support rod 5 until it is magnetically attracted to the second magnet 15, the position of the support rod 5 can be limited, thereby achieving the effect of limiting the position of the support rod 5.

As a technical optimization solution of the present invention, a third magnet 18 is embedded inside the support rod 5 .

In this embodiment, by inserting the first taper nail 201 into the interior of the support rod 5 so that the first taper nail 201 and the third magnet 18 are magnetically attracted, the first taper nail 201 can be limited, thereby achieving the purpose of limiting the position of the first taper nail 201 . A cone nail 201 limiting effect.

Working principle: First, move the support plate 1 to the inside of the foundation pit so that the back side of the support plate 1 is in contact with the inner wall of the foundation pit. Rotate the rotating plate 203 to make the bottom of the rotating plate 203 contact the ground. The rotating plate 203 passes through high-strength bonding. Page 7 is rotatably connected to the support plate 1 so that the rotating plate 203 can rotate. Then, pass the first taper nail 201 through the first through hole 202 and insert the first taper nail 201 into the ground. At this time, the rotating plate 203 can align with the support plate. 1. Pull, then pull the handle 13 to separate the support rod 5 from the second magnet 15, and then rotate the twisting column 14. The rotation of the twisting column 14 can drive the telescopic rod 17 to rotate, and the telescopic rod 17 passes through the thread inside the support rod 5. connection, when the telescopic rod 17 rotates, the telescopic rod 17 can be extended outward from the inside of the support pole 5. After extending the telescopic rod 17 to a suitable length, twist the limit button 12 so that the limit button 12 is connected to the support plate. 1 is detached, the support plate 3 can be removed from the front side of the support plate 1, and then the support block 16 can be moved to the inside of the limit ring 11. At this time, the support block 16 can be connected to the support plate 3, and then rotate The support rod 5 reaches a suitable angle so that the support plate 3 is in contact with the ground. Take out the second awl nail 19 from the inside of the placement hole 8 and pass it through the second through hole 10. Insert the second awl nail 19 into the ground. At this time, the support plate 3, The support block 16, the telescopic rod 17 and the support rod 5 can support the support plate 1. The support rod 5 is connected to the inside of the turntable 6 through rotation, so that the support rod 5 can rotate. After the completion of the project, the first taper nail 201 and the second taper nail 19 are pulled out, move the support plate 3 to the front side of the support plate 1, pass the limit button 12 through the support plate 3, and then connect the limit button 12 with the internal thread of the support plate 1. That's it. Limit the support plate 3 to the front side of the support plate 1, then rotate the telescopic rod 17, retract the telescopic rod 17 to the inside of the support rod 5, rotate the support rod 5 until it is magnetically attracted to the second magnet 15, and the support rod can be aligned 5 to limit the position, and then insert the first cone nail 201 into the inside of the support rod 5, so that the first cone nail 201 and the third magnet 18 are magnetically attracted, the first cone nail 201 can be limited, and then the second cone nail 201 is magnetically attracted. The nail 19 is inserted into the placement hole 8, so that the second cone nail 19 is magnetically attracted to the first magnet 9, so that the first cone nail 201 can be limited, and then the support plate 1 is separated from the inner wall of the foundation pit, and the rotating plate 203 is By folding it backward, the support plate 1 can be conveniently transported, recycled and reused, which avoids the common support methods of rowing piles, rowing piles plus anchor rods or using cast-in-situ reinforced concrete supporting structures to support the foundation. Supporting in pits not only takes a long construction period, but also greatly increases the amount of steel and concrete, which cannot be recycled at the end of the project, causing a waste of resources.

The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (10)

1. A support mechanism for excavation of civil foundation pits, including a support plate (1), characterized in that: a pulling mechanism (2) is provided on the top of the support plate (1), and the support plate (1) The front side of 1) is provided with support plates (3), the number of said support plates (3) is two, and the two sides of the front side of said support plate (1) are provided with support rods (5); The pulling mechanism (2) includes two first taper nails (201), two first through holes (202) and a rotating plate (203). The first through hole (202) is opened on the rotating plate (203). ), the bottom of the first taper nail (201) passes through the first through hole (202) and extends to the bottom of the rotating plate (203). 2. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: both sides of the front bottom of the rotating plate (203) are provided with high-strength hinges (7) , the connection between the rotating plate (203) and the support plate (1) is rotationally connected through a high-strength hinge (7). 3. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: the bottom of the front side of the support plate (1) is fixedly connected with a fixing box (4), and the fixing box (4) is fixedly connected to the bottom of the support plate (1). The box (4) is provided with several placement holes (8) inside, and a second taper nail (19) is placed inside the placement hole (8). The bottom of the taper nail (19) extends to the inside of the placement hole (8). 4. A support mechanism for civil construction foundation pit excavation according to claim 3, characterized in that: the fixed box (4) is embedded with a first magnet (9), and the second cone is embedded with a first magnet (9). The surface of the nail (19) is magnetically attracted to the first magnet (9). 5. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: a second through hole (10) is provided inside the support plate (3), and the second through hole (10) is provided in the support plate (3). There are several through holes (10), and a limiting ring (11) is fixedly connected to the front side of the support plate (3). 6. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: a limit button (12) is provided on the front side of the support plate (3), and the limit button The rear side of (12) passes through the support plate (3) and is connected with the internal thread of the support plate (1). 7. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: both sides of the front side of the support plate (1) are fixedly connected with rotating frames (6), so The support rod (5) is rotatably connected inside the turret (6), and a handle (13) is fixedly connected to the front side of the support rod (5). 8. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: a telescopic rod (17) is provided at the bottom of the support rod (5), and the telescopic rod (17) ) extends to the inside of the support rod (5) and is threadedly connected to the inside of the support rod (5). A screw post (14) is fixedly connected to the surface of the telescopic rod (17), and the screw post (14) is fixedly connected to the surface of the telescopic rod (17). The number is four, and the bottom of the telescopic rod (17) is rotatably connected with a support block (16). 9. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that: both sides of the front side of the support plate (1) are fixedly connected with second magnets (15), The second magnet (15) is magnetically attracted to the surface of the support rod (5). 10. A support mechanism for civil construction foundation pit excavation according to claim 1, characterized in that a third magnet (18) is embedded inside the support rod (5).