CN218291982U

CN218291982U - Slope protection device for underground foundation pit of building engineering

Info

Publication number: CN218291982U
Application number: CN202222665311.2U
Authority: CN
Inventors: 陈生成; 关永莹; 郭彬荣; 杨华华
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-13
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a bank protection device for building engineering's underground foundation ditch, it includes the bottom plate, bottom plate up end intermediate junction has the riser, notch and scalable connection have first expansion plate have been seted up on riser upper portion, the side is crisscross to be installed to the side and is pressed the protection device around on the first expansion plate, bottom plate bottom face cartridge has a plurality of bottom inserted bars. The utility model discloses simple structure, the structure is clear understandable, struts the foundation ditch lateral wall through telescopic side pressure backplate, easy operation, and it is effectual to strut, can contract, and reduction space occupies, can highly adjust the device whole, can be applicable to the excavation supporting of the different degree of depth, and the practicality is strong, is worth using widely.

Description

Slope protection device for underground foundation pit of building engineering

Technical Field

The utility model belongs to the technical field of the dust device, especially, relate to a bank protection device for building engineering's underground foundation ditch.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof drainage work is carried out, a method for placing a side slope can be used for people who do not excavate deeply to stabilize the soil slope, the size of the slope is determined according to relevant construction regulations, people who excavate deeper and nearby buildings can use a foundation pit wall supporting method and a concrete injection wall protecting method, and a large foundation pit even adopts methods such as interlocking of an underground continuous wall and a column type bored concrete pile to prevent the collapse of the outer side soil layer; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold air freezing excavation and the like can be adopted, and meanwhile, in order to prevent the collapse of the side wall of the foundation pit, a foundation pit supporting device is generally used for supporting the wall.

Through retrieval, chinese patent No. CN 214783987U discloses a foundation pit supporting apparatus for construction engineering, which can support the side wall of a foundation pit through a supporting plate by inserting a helical blade into the soil layer when in use, but the above-described apparatus can only support the single side of the foundation pit, cannot support the two walls of the foundation pit at the same time, is not high in supporting strength and troublesome in installation, cannot be adjusted according to the depth of the foundation pit, and is not strong in practicality, and thus, a slope protection apparatus for an underground foundation pit for construction engineering is required.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned background art, the utility model provides a slope protection device for building engineering's underground excavation.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model relates to a bank protection device for building engineering's underground foundation ditch, it includes the bottom plate, bottom plate up end intermediate junction has the riser, notch and scalable first expansion plate of being connected with have been seted up on riser upper portion, the side is crisscross to be installed and is protected the device around on the first expansion plate, bottom plate bottom end face cartridge has a plurality of bottom inserted bars.

Furthermore, the side pressure protection devices comprise cylinders which are fixedly arranged on the first expansion plates in a penetrating mode, threaded rods penetrate through the cylinders in a rotating mode through threads, one ends of the threaded rods are connected with rotating joints, the other ends of the threaded rods are connected with first rotating handles, the side pressure protection plates are fixedly connected with the rotating joints, rod sleeves are sleeved on the outer surfaces of the cylinders in a rotating mode, a plurality of first rotating seats which are uniformly distributed are arranged on the outer surfaces of the rod sleeves, a plurality of second rotating seats are fixedly arranged on the side pressure protection plates, pressure protection rods are connected between the first rotating seats and the second rotating seats in a rotating mode, the side pressure protection devices installed on the first expansion plates in a front-back side staggered mode are identical in structure, and a plurality of side insertion rods are connected to the side pressure protection plates in the front-back side pressure protection devices away from one side end faces.

Furtherly, the side is vertical wears to be equipped with first vertical screw rod and first guide arm around on the first expansion plate, first vertical screw rod lower extreme stretch into in the riser and rotate with the bottom lateral wall in the riser and be connected, first vertical screw rod and first expansion plate pass through the screw thread and rotate the connection, first vertical screw rod upper end is connected with the second and changes the handle, the lower extreme of first guide arm stretches into in the riser.

Furthermore, a second expansion plate is installed in the upper end of the side pressure protection plate in a telescopic mode, a second vertical screw rod and a second guide rod vertically penetrate through the front side and the rear side of the second expansion plate, the lower end of the second vertical screw rod is rotatably connected with the side wall of the bottom in the side pressure protection plate, a third rotating handle is fixedly connected to the upper end of the second vertical screw rod, and the lower end of the second guide rod extends into the side pressure protection plate.

Furthermore, four groups of first rotating seats on the outer surface of the rod sleeve are uniformly arranged, and four groups of pressure protection rods are correspondingly arranged.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses structural design is novel, and is rational in infrastructure, and its bottom plate is fixed well in the foundation ditch after, holds first pivot handle and rotates the screw rod, and the screw rod is worn to establish through the screw rotation in the drum, and the screw rod rotates and to promote screw rod and the side pressure backplate of connecting and move towards keeping away from first expansion plate direction, until side pressure backplate and foundation ditch lateral wall butt, in adding the foundation ditch lateral wall with the side inserted bar, realizes the fixed of side pressure backplate, and the side that sets up the pressure backplate can strengthen the side protective strength of side pressure backplate;

2. the second rotating rod is held by a hand and the first vertical screw rod is rotated, the first vertical screw rod is rotationally connected with the first telescopic plate through threads, and the first vertical screw rod rotates to push the first telescopic plate to do vertical lifting motion for height adjustment of the side pressure protecting plate, so that the whole device is suitable for foundation pits with different depths;

3. to darker foundation ditch, hold the third and change the handle and rotate the vertical screw rod of second, the vertical screw rod of second passes through the screw rotation with the second expansion plate and is connected, and the vertical screw rod of second rotates and to promote the second expansion plate and shift up, can improve the bulk height of side pressure backplate, can realize the strutting of darker foundation ditch lateral wall, and the practicality is strong.

To sum up, the utility model discloses simple structure, the structure is clearly understandable, struts the foundation ditch lateral wall through telescopic side pressure backplate, and easy operation is strutted effectually, can contract, and reduction space occupies, can highly adjust the whole device, can be applicable to the excavation supporting of the different degree of depth, and the practicality is strong, is worth using widely.

Drawings

Fig. 1 is a schematic perspective view of a slope protection device for an underground foundation pit of a construction project according to the present invention;

fig. 2 is a schematic view of a rear perspective three-dimensional structure of a slope protection device for an underground foundation pit of a building engineering of the present invention;

fig. 3 is a schematic top view of the slope protection device for an underground foundation pit of a building engineering of the present invention;

fig. 4 is a schematic left-side view structural diagram of the slope protection device for an underground foundation pit of a building engineering of the present invention;

fig. 5 is the utility model relates to a front view structure schematic diagram of a slope protection device for building engineering's underground excavation.

In the figure: 1-bottom inserted bar, 2-vertical plate, 3-bottom plate, 4-first expansion plate, 5-first rotating handle, 6-side inserted bar, 7-side pressure guard plate, 8-second expansion plate, 9-rotary joint, 10-second rotary seat, 11-pressure guard bar, 12-screw, 13-first rotary seat, 14-rod sleeve, 15-cylinder, 16-side pressure guard device, 17-first guide rod, 18-second guide rod, 19-second vertical screw, 20-third rotating handle, 21-first vertical screw and 22-second rotating handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer" and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships are also changed accordingly. The parts of the present invention not described in detail are the known techniques of those skilled in the art.

As shown in fig. 1-5, the utility model relates to a slope protection device for building engineering's underground foundation ditch, it includes

bottom plate

3, 3 up end intermediate junction of bottom plate has

riser

2, 2 upper portions of riser have been seted up the notch and scalable be connected with first expansion plate 4, side pressure protection device 16 is installed in the side cross around on

first expansion plate

4, 3 bottom face cartridges of bottom plate have a plurality of bottom inserted bars 1. The utility model is used for strutting of foundation ditch among the building engineering, during the concrete use, arrange bottom plate 3 in the foundation ditch, bottom in a plurality of bottom inserted bar 1 that 3 bottom faces of bottom plate are connected insert the foundation ditch, bottom plate 3 is fixed well in the foundation ditch, 3 up end intermediate junction of bottom plate have

riser

2, 2 upper ends of riser are connected with first expansion plate 4, the side cross is installed in the side pressure and is protected device 16 around on the first expansion plate 4, protect device 16 through the side pressure and strut the foundation ditch left and right sides, realize strutting of two walls of foundation ditch, avoid the foundation ditch to sink.

In this embodiment, the side pressure protection device 16 includes a cylinder 15 fixedly disposed on the first expansion plate 4, a screw 12 penetrates through the cylinder 15 through thread rotation, one end of the screw 12 is connected with a rotary joint 9, the other end of the screw is connected with a first rotating handle 5, the rotary joint 9 is fixedly connected with a side pressure protection plate 7, a rod sleeve 14 is rotatably sleeved on the outer surface of the cylinder 15, a plurality of first rotating seats 13 uniformly distributed are disposed on the outer surface of the rod sleeve 14, a plurality of second rotating seats 10 are fixedly disposed on the side pressure protection plate 7, a pressure protection rod 12 is rotatably connected between the first rotating seats 13 and the second rotating seats 10, the side pressure protection devices 16 alternately disposed on the front side and the rear side of the first expansion plate 4 have the same structure, and a plurality of side insertion rods 6 are connected to the end surfaces of the side pressure protection plates 7 in the front side and rear side pressure protection devices 16, which are opposite to each other. During the application, after bottom plate 3 is fixed well in the foundation ditch, hold first commentaries on classics handle 5 and rotate screw rod 12, screw rod 12 is rotated through the screw thread and is worn to establish in drum 15, so, screw rod 12 rotates and to promote screw rod 12 and the side pressure backplate 7 of connecting and move towards keeping away from first expansion plate 4 direction, until side pressure backplate 7 and foundation ditch lateral wall butt, add side inserted bar 6 in the foundation ditch lateral wall, realize the fixed of side pressure backplate 7, the side of side pressure backplate 7 is protected intensity can be strengthened in the setting of pressure protection pole 12.

In this embodiment, the vertical first vertical screw 21 and the first guide arm 17 of wearing to be equipped with in the side around on the first expansion plate 4, first vertical screw 21 lower extreme stretch into in riser 2 and with the interior bottom lateral wall of riser 2 rotate and be connected, first vertical screw 21 and first expansion plate 4 rotate through the screw thread and connect, first vertical screw 21 upper end is connected with the second and changes 22, the lower extreme of first guide arm 17 stretches into in the riser 2. During the application, hold second bull stick 22 and rotate first vertical screw 21, first vertical screw 21 is connected through the screw rotation with first expansion plate 4, and first vertical screw 21 rotates and to promote first expansion plate 4 and be vertical elevating movement for the altitude mixture control of side pressure backplate 7 makes whole device be applicable to the foundation ditch of the different degree of depth.

In this embodiment, a second expansion plate 8 is installed in the upper end of the side pressure protection plate 7 in an expansion manner, a second vertical screw 19 and a second guide rod 18 vertically penetrate through the front side and the rear side of the second expansion plate 8, the lower end of the second vertical screw 19 is rotatably connected with the inner bottom side wall of the side pressure protection plate 7, a third rotating handle 20 is fixedly connected to the upper end of the second vertical screw 19, and the lower end of the second guide rod 18 extends into the side pressure protection plate 7. To darker foundation ditch, hold the third and change handle 20 and rotate second vertical screw 19, second vertical screw 19 passes through the screw thread rotation with second expansion plate 8 and is connected, and second vertical screw 19 rotates and can promote second expansion plate 8 and move up, can improve the bulk height of side pressure backplate 7, can realize the strutting of darker foundation ditch lateral wall, and the practicality is strong.

Furthermore, four groups of first rotating seats 13 are uniformly arranged on the outer surface of the rod sleeve 14, four groups of pressure protection rods 11 are correspondingly arranged, and the pressure protection rods 11 can stretch and rotate along with the side pressure protection plate 7 and are used for lateral support of the side pressure protection plate 11, so that the support strength is improved.

Claims

1. The utility model provides a bank protection device for building engineering's underground excavation, its characterized in that: the novel bottom plate comprises a bottom plate (3), a vertical plate (2) is connected to the middle of the upper end face of the bottom plate (3), a notch is formed in the upper portion of the vertical plate (2), a first expansion plate (4) is connected to the upper portion of the vertical plate in a telescopic mode, side pressure protection devices (16) are installed on the first expansion plate (4) in a staggered mode from front to back, and a plurality of bottom inserting rods (1) are inserted into the bottom end face of the bottom plate (3).

2. The slope protection device for an underground foundation pit of construction engineering according to claim 1, wherein: the side pressure protection device (16) comprises a cylinder (15) which is fixedly arranged on a first expansion plate (4) in a penetrating mode, a screw rod (12) penetrates through the cylinder (15) in a rotating mode through threads, one end of the screw rod (12) is connected with a rotating joint (9), the other end of the screw rod is connected with a first rotating handle (5), the rotating joint (9) is fixedly connected with a side pressure protection plate (7), a rod sleeve (14) is sleeved on the outer surface of the cylinder (15) in a rotating mode, a first rotating seat (13) with a plurality of uniform distribution is arranged on the outer surface of the rod sleeve (14), a plurality of second rotating seats (10) are fixedly arranged on the side pressure protection plate (7), a pressure protection rod (11) is connected between the first rotating seat (13) and the second rotating seats (10) in a rotating mode, the side pressure protection device (16) installed on the front side and rear side in a staggered mode on the first expansion plate (4) is identical in structure, and the side pressure protection plate (7) on the front side and rear side are connected with a plurality of side insertion rods (6) away from one side end face.

3. The slope protection device for an underground foundation pit of construction engineering according to claim 2, wherein: first vertical screw rod (21) and first guide arm (17) are vertically worn to be equipped with in the side around on first expansion plate (4), first vertical screw rod (21) lower extreme stretch into in riser (2) and rotate with riser (2) interior bottom lateral wall and be connected, first vertical screw rod (21) and first expansion plate (4) rotate through the screw thread and connect, first vertical screw rod (21) upper end is connected with the second and changes handle (22), the lower extreme of first guide arm (17) stretches into in riser (2).

4. A slope protection device for an underground foundation pit of construction engineering according to claim 3, wherein: the side pressure backplate (7) is provided with a second expansion plate (8) in the upper end in a telescopic manner, a second vertical screw rod (19) and a second guide rod (18) are vertically arranged in the front side and the rear side of the second expansion plate (8) in a penetrating manner, the lower end of the second vertical screw rod (19) is rotatably connected with the side wall of the bottom in the side pressure backplate (7), a third rotating handle (20) is fixedly connected with the upper end of the second vertical screw rod (19), and the lower end of the second guide rod (18) extends into the side pressure backplate (7).

5. A slope protection device for an underground foundation pit of building engineering according to claim 4, wherein: four groups are uniformly arranged on the first rotating seat (13) on the outer surface of the rod sleeve (14), and four groups are correspondingly arranged on the pressure protection rod (11).