CN217923611U

CN217923611U - Foundation ditch supporting construction is used with ground excavation

Info

Publication number: CN217923611U
Application number: CN202221604778.XU
Authority: CN
Inventors: 姚志超; 孙广州; 王文思; 张风磊; 朱珊珊; 梁娟; 孙本水; 巩升臣
Original assignee: Shandong Zhonglian Hengxin Engineering Group Co ltd
Current assignee: Shandong Zhonglian Hengxin Engineering Group Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-29
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a foundation ditch supporting construction for ground and ground excavation, include the base and accept the board, accept the board setting on the up end of base, it rotates the chamber to have seted up in the base, two risers of the up end symmetry fixedly connected with of base, every all rotate on the upper end inner wall of riser and be connected with a threaded rod, every the other end of a threaded rod all runs through the lower terminal surface of riser and the up end of base and rotates and connect on the inner wall that rotates the chamber, a servo motor of fixedly connected with on the inner wall that rotates the chamber. The utility model discloses, through the cooperation setting between servo motor, a threaded rod and the threaded block, the supporting plate can reciprocate the regulation for the supporting plate can support the foundation ditch of the different degree of depth, and when supporting darker foundation ditch, the supporting plate rebound can aim at the strong point of foundation ditch and support the protection, and application scope is wider.

Description

Foundation pit supporting structure for foundation and foundation excavation

Technical Field

The utility model relates to a ground protective apparatus technical field especially relates to a foundation ditch supporting construction is used with ground excavation.

Background

The foundation pit is a soil pit excavated at a foundation design position according to a base elevation and a base plane size, when the foundation pit is excavated for building, the foundation pit needs to be timely supported, otherwise, the foundation pit is easy to deform and collapse, a karst is formed by long-term chemical corrosion of soluble rocks by water, part of rock masses contain argillaceous substances and are seriously weathered, so that the upper soil layer is thick, the lower bedrock masses are broken, when the foundation pit is excavated for building in a karst area, the foundation pit is more easy to deform and collapse, and a traditional foundation pit supporting structure cannot achieve a satisfactory supporting effect easily.

In order to solve the problems, the utility model with publication number CN211285631U provides an anti-collapse reinforcing device for foundation excavation in a karst region, which belongs to the technical field of karst foundation support and comprises a base, a belt frame, a motor and a support rod; the bottom of the belt frame is rotatably provided with a driving wheel, the top of the belt frame is rotatably provided with a driven wheel, and the driving wheel is connected with the driven wheel through a belt; the driving wheel is connected with the motor; a first screw rod penetrates through the driven wheel, and the thread directions of the first screw rods on the rod bodies on the two sides of the driven wheel are opposite; the supporting rods are symmetrically arranged at two sides of the belt rack, and the top ends of the supporting rods are provided with mounting sleeves; the device can provide better support to the building foundation ditch in karst area.

However, when the device supports a deeper foundation pit, the supporting point of the foundation pit is high, but the height of the supporting plate of the device cannot be adjusted, and the supporting plate can only be abutted against the side wall of the lower end of the foundation pit, so that the supporting and supporting effect of the supporting and protecting plate on the foundation pit is poor, and the application range of the supporting and protecting plate is narrow.

In order to solve the problems, a foundation pit supporting structure for foundation and foundation excavation is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "but above-mentioned device is when supporting darker foundation ditch, and the strong point of foundation ditch uprises, but the device's supporting plate highly can't adjust, and the supporting plate can only support on the lower extreme lateral wall of foundation ditch for it is not good to the strut supporting effect of foundation ditch, the narrow defect of the application scope of supporting plate", thereby provides a foundation ditch supporting construction for ground and ground excavation.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a foundation ditch supporting construction for foundation and foundation excavation, includes the base and accepts the board, it sets up on the up end of base to accept the board, it rotates the chamber to have seted up in the base, two risers of up end symmetry fixedly connected with of base, every all rotate on the upper end inner wall of riser and be connected with a threaded rod, every the other end of a threaded rod all runs through the lower terminal surface of riser and the up end of base and rotates and connect on the inner wall that rotates the chamber, fixedly connected with servo motor on the inner wall that rotates the chamber, a servo motor's output fixedly connected with worm, a worm meshing is connected with a worm wheel, a worm wheel is fixed cup joints on a threaded rod on the left side, the left side fixedly connected with driving gear on the threaded rod, the driving gear is connected with driven gear through the tooth belt transmission, driven gear fixedly cup joints on a threaded rod on the right, every equal threaded connection has the thread piece on a, every equal fixedly connected with movable block on the lateral wall of thread piece, every the other end of movable block all runs through the lateral wall and fixed connection is on the lateral wall of riser on the lateral wall of accepting the board, the upper end of protective plate is connected with movable block supporting mechanism.

Preferably, support protection machanism and include spliced pole and No. two threaded rods, spliced pole fixed connection is in the up end of accepting the board, accept No. two servo motor of fixedly connected with on the upper end inner wall of board, no. two servo motor's output end fixedly connected with worm No. two, no. two worm meshes and is connected with No. two worm wheels, no. two worm wheels are fixed to be cup jointed at No. two threaded rods, be provided with two sections opposite screw threads on No. two threaded rods, no. two threaded rods run through spliced pole and symmetrical threaded connection have two U-shaped boards, two the equal fixedly connected with backplate of one end that the U-shaped board carried on the back mutually.

Preferably, the four corners of the lower end face of the base are fixedly connected with electric telescopic supporting cylinders and tip fixing rods, and the side wall of each tip fixing rod is fixedly connected with a transverse plate.

Preferably, the left side wall and the right side wall of the connecting column are symmetrically and fixedly connected with two limiting telescopic rods, and each telescopic end of each limiting telescopic rod is fixedly connected to the side wall of the supporting plate.

Preferably, every all set up threaded hole on the U template, no. two threaded rods and screw hole threaded connection, the equal fixedly connected with limiting plate in both ends of No. two threaded rods.

Preferably, slide holes are formed in the opposite sides of the two vertical plates, and the moving block is connected in the slide holes in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

through the cooperation setting between a servo motor, a threaded rod and the thread piece, the supporting plate can reciprocate the regulation for the supporting plate can support the foundation ditch of the different degree of depth, and when supporting darker foundation ditch, the supporting plate rebound can aim at the strong point of foundation ditch and support the protection, and application scope is wider.

Drawings

Fig. 1 is a schematic front structural view of a foundation pit supporting structure for foundation and foundation excavation provided by the utility model;

fig. 2 is a schematic view of a top view structure of a pressing plate in the foundation pit supporting structure for foundation and foundation excavation provided by the utility model;

fig. 3 is an enlarged view of a point a of fig. 2 according to the present invention.

In the figure: the automatic adjustable type worm rack comprises a base 1, a bearing plate 2, a rotating cavity 3, a servo motor 4, a worm 5, a driving gear 6, a driven gear 7, a threaded rod 8, a vertical plate 9, a threaded block 10, a connecting column 11, a servo motor 12, a worm 13 II, a protective plate 14, a U-shaped plate 15, a threaded rod 16 II, an electric telescopic supporting cylinder 17 and a pointed end fixing rod 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a foundation ditch supporting structure for excavation of ground and foundation, including base 1 and socket plate 2, socket plate 2 sets up on the up end of base 1, it rotates chamber 3 to have seted up in base 1, two risers 9 of the symmetrical fixedly connected with of up end of base 1, all rotate on the upper end inner wall of every riser 9 and be connected with threaded rod 8, the other end of every threaded rod 8 all runs through the lower terminal surface of riser 9 and the up end of base 1 and rotates and connect on the inner wall that rotates chamber 3, fixedly connected with servo motor 4 on the inner wall that rotates chamber 3, output fixedly connected with worm 5 of servo motor 4, worm 5 meshes and is connected with a worm wheel, a worm wheel is fixed to connect on threaded rod 8 on the left side, fixed the cup joints driving gear 6 on threaded rod 8 on the left side, driving gear 6 is connected with driven gear 7 through the cingulde belt transmission, driven gear 7 is fixed to cup joint on threaded rod 8 on the right side, equal threaded rod 8 on every threaded rod has threaded block 10, all fixedly connected with movable block on the lateral wall of every movable block and the movable block is connected with movable block through the supporting plate and can support the backplate that the supporting mechanism is suitable for the deep supporting point of foundation ditch supporting plate 14, it can go up and down and support the supporting mechanism to move, the lateral wall of foundation ditch supporting plate, it is suitable for a supporting mechanism, 14.

Wherein, support protection machanism and include spliced pole 11 and No. two threaded rods 16, spliced pole 11 fixed connection is in the up end of accepting board 2, be fixedly connected with servo motor 12 No. two on the upper end inner wall of accepting board 2, no. two output end fixedly connected with worms 13 of servo motor 12, no. two worm 13 meshes and is connected with the worm wheel No. two, no. two worm wheel are fixed to be cup jointed at threaded rod No. two 16, be provided with two sections opposite screw threads on No. two threaded rod 16, no. two threaded rod 16 run through spliced pole 11 and symmetrical threaded connection have two U type boards 15, two equal fixedly connected with backplate 14 that the one end that U type board 15 carried on the back mutually, two backplate 14 back of the body mutually move, support on the foundation ditch lateral wall, protect the support to the foundation ditch.

Wherein, the equal fixedly connected with in lower terminal surface four corners of base 1 supports cylinder 17 and tip dead lever 18 electronic flexible, equal fixedly connected with diaphragm on the lateral wall of every tip dead lever 18, and use tools smashes four diaphragms downwards together for tip dead lever 18 inserts the underground, fixes whole device.

Wherein, equal two spacing telescopic links of symmetry fixedly connected with on the lateral wall about spliced pole 11, the equal fixed connection of the flexible end of every spacing telescopic link is on the lateral wall of a backplate 14, and spacing telescopic link can prevent that U template 15 from following No. two threaded rod 16 and together rotate.

Wherein, all set up threaded hole on every U template 15, no. two threaded rods 16 and threaded hole threaded connection, the equal fixedly connected with limiting plate in both ends of No. two threaded rods 16, the limiting plate can prevent that U template 15 from droing from No. two threaded rods 16.

Wherein, the slide opening has all been seted up to two riser 9 relative one sides, and movable block sliding connection is in the slide opening, and the movable block can slide from top to bottom in the slide opening.

The utility model discloses in, move the device to the middle of the foundation ditch that needs to support the protection, start electronic flexible support cylinder 17 earlier, make the device descend, tip dead lever 18 inserts ground under the effect of gravity this moment, use the instrument to pound four diaphragms downwards together simultaneously, make tip dead lever 18 further insert underground, fix the whole device, start servo motor 4 No. one, servo motor 4 drives a worm 5 and rotates, a worm 5 drives a threaded rod 8 on the left side through a worm wheel and rotates, a threaded rod 8 on the left side drives driving gear 6 and rotates, driving gear 6 drives driven gear 7 through the cingulum and rotates, driven gear 7 drives a threaded rod 8 on the right side and rotates, two threaded rods 8 can drive receiving plate 2 through threaded block 10 and movable block and move up, when receiving plate 2 moves to suitable height, servo motor 4 and pneumatic cylinder 18 stop working, start servo motor 12 No. two, servo motor 12 drives worm 13 and rotates No. two, no. two worm 13 drives No. two threaded rod 16 and rotates through No. two threaded rod 16, no. two threaded rod 16 drive U15 and 14 and back on the back to the back of the body, when the work of the foundation ditch side wall stops supporting plate 14 and buttresses on the work, no. two servo motor 12 and stops working; the supporting plate 14 can move up and down to adjust, can support foundation pits of different depths, and when supporting deeper foundation pits, the supporting plate 14 moves upwards to align the supporting points of the foundation pits to support and protect, so that the application range is wider.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A foundation pit supporting structure for foundation and foundation excavation comprises a base (1) and an adapting plate (2), and is characterized in that the adapting plate (2) is arranged on the upper end face of the base (1), a rotating cavity (3) is formed in the base (1), the upper end face of the base (1) is symmetrically and fixedly connected with two vertical plates (9), each vertical plate (9) is rotatably connected with a threaded rod (8) on the inner wall of the upper end, the other end of each threaded rod (8) penetrates through the lower end face of the vertical plate (9) and the upper end face of the base (1) and is rotatably connected to the inner wall of the rotating cavity (3), a servo motor (4) is fixedly connected to the inner wall of the rotating cavity (3), a worm (5) is fixedly connected to the output end of the servo motor (4), a worm wheel (5) is meshed with a worm wheel, the worm wheel is fixedly sleeved on the first threaded rod (8) on the left side, a driving gear (8) on the left side is sleeved with a driving gear (6), a transmission gear (6) is connected with a driven gear (7) through a gear, each threaded rod (7) is connected with a driven gear (10), and each threaded rod (10) is connected with a side wall of a driven gear (10), the other end of each moving block penetrates through the side wall of the vertical plate (9) and is fixedly connected to the side wall of the bearing plate (2), and the upper end face of the bearing plate (2) is connected with a supporting and protecting mechanism.

2. The foundation pit supporting structure for foundation and foundation excavation as claimed in claim 1, wherein the supporting and protecting mechanism comprises a connecting column (11) and a second threaded rod (16), the connecting column (11) is fixedly connected to the upper end face of the bearing plate (2), a second servo motor (12) is fixedly connected to the inner wall of the upper end of the bearing plate (2), a second worm (13) is fixedly connected to the output end of the second servo motor (12), the second worm (13) is meshed with a second worm wheel, the second worm wheel is fixedly sleeved on the second threaded rod (16), two sections of opposite threads are arranged on the second threaded rod (16), the second threaded rod (16) penetrates through the connecting column (11) and is symmetrically in threaded connection with two U-shaped plates (15), and two ends, opposite to each other, of the U-shaped plates (15) are fixedly connected with a supporting plate (14).

3. The foundation pit supporting structure for foundation and foundation excavation according to claim 1, wherein four corners of the lower end surface of the base (1) are fixedly connected with an electric telescopic supporting cylinder (17) and tip fixing rods (18), and a transverse plate is fixedly connected to the side wall of each tip fixing rod (18).

4. A foundation pit supporting structure for foundation and foundation excavation according to claim 2, wherein two limiting telescopic rods are symmetrically and fixedly connected to the left and right side walls of the connecting column (11), and the telescopic end of each limiting telescopic rod is fixedly connected to the side wall of the supporting plate (14).

5. The foundation pit supporting structure for foundation and foundation excavation according to claim 2, wherein each U-shaped plate (15) is provided with a threaded hole, the second threaded rod (16) is in threaded connection with the threaded hole, and two ends of the second threaded rod (16) are fixedly connected with limiting plates.

6. The foundation pit supporting structure for foundation and foundation excavation according to claim 1, wherein sliding holes are formed in opposite sides of the two vertical plates (9), and the moving block is slidably connected in the sliding holes.