CN216664155U

CN216664155U - A excavation supporting device for construction

Info

Publication number: CN216664155U
Application number: CN202123263512.1U
Authority: CN
Inventors: 高志广
Original assignee: Liaoning Shengjing Survey And Research Institute Co ltd
Current assignee: Liaoning Shengjing Survey And Research Institute Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-03
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a foundation pit supporting device for building construction, and belongs to the field of foundation pit supporting. A foundation pit supporting device for building construction comprises two protection plates, wherein the bottoms of the protection plates are provided with bases, the top of the base is provided with a chute, the inner wall of the chute is connected with a slide block in a sliding way, one side of the protection plate close to the inner side is fixedly provided with a support plate, the top of the supporting plate is fixedly provided with a connecting plate, a bidirectional threaded rod is arranged between the two protective plates, the outer surface of the bidirectional threaded rod is fixedly provided with a fixed ring, the circumferential outer wall of the fixed ring is in an annular structure, a plurality of rotating handles are fixedly arranged, the rotating handles are rotated to drive the threaded cylinder and the connecting plate to move, thereby leading the two protection plates to synchronously and reversely move and carrying out extrusion support on the inner wall of the foundation pit, improving the stability of the support by respectively carrying out reverse extrusion on the two protection plates through the two sides of the inner wall of the foundation pit, meanwhile, the installation speed is improved, the later-stage protection plate is convenient to loosen, and the protection plate is timely reinforced by rotating the rotating handle.

Description

A excavation supporting device for construction

Technical Field

The utility model relates to the field of foundation pit support, in particular to a foundation pit support device for building construction.

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. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The persons who do not dig deeply can use the method of putting side slope to stabilize the soil slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; 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 freezing method can be adopted for excavation and the like.

When the soil quality of the foundation pit wall is unstable, supporting structures need to be installed on two sides of the foundation pit, effective supporting is carried out on the inner side of the foundation pit, the inner wall of the foundation pit is supported through supporting columns and protecting plates respectively in the using process of a traditional foundation pit supporting device, and the supporting plates are separately arranged, so that the supporting stability is poor.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a foundation pit supporting device for building construction, which aims to solve the problems in the background technology.

2. Technical scheme

A foundation pit supporting device for building construction comprises two protection plates, wherein a base is arranged at the bottom of each protection plate, a sliding groove is formed in the top of the base, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, a supporting plate is fixedly arranged on one side, close to the inner side, of each protection plate, a connecting plate is fixedly arranged at the top of each supporting plate, a bidirectional threaded rod is arranged between the two protection plates, a fixing ring is fixedly arranged on the outer surface of the bidirectional threaded rod, the outer wall of the circumference of the fixing ring is of an annular structure, a plurality of rotating handles are fixedly arranged on the outer wall of the circumference of the fixing ring, threaded cylinders are respectively and threadedly connected to the two ends of the bidirectional threaded rod, a pressing plate is fixedly arranged on one side, close to the outer side, of each protection plate, a connecting block is fixedly arranged at the top of the pressing plate, a baffle is arranged above the baffle, the top of the baffle is of a front-back symmetrical structure, two fixing blocks are fixedly arranged above the baffle, the outer surface of the rotating shaft is provided with two lantern rings in a front-back symmetrical structure, an arc-shaped plate is arranged above the pressing plate.

Preferably, the connecting plate and the threaded cylinder are respectively in threaded connection with the bidirectional threaded rod, and the threaded cylinder is fixedly connected with the protection plate.

Preferably, the connecting block is rotatably connected with the baffle, and two ends of the rotating shaft are fixedly connected with the two fixing blocks respectively.

Preferably, the arc-shaped plate is fixedly connected with the lantern ring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the structure of the device is improved, the device can drive the threaded cylinder and the connecting plate to move by rotating the rotating handle, so that the two protection plates synchronously move in opposite directions and extrude and support the inner wall of the foundation pit, the support stability is improved by respectively extruding the two protection plates in opposite directions on two sides of the inner wall of the foundation pit, the installation speed is improved, the protection plates are convenient to loosen in the later period, and the device can be timely reinforced by rotating the rotating handle.

2. The structure of the utility model is improved, and through arranging the baffle, constructors in the foundation pit can be protected, and the condition that broken stones roll into the foundation pit to cause injury to the constructors is avoided; through setting up the arc, can block the rainwater to inside flowing into the foundation ditch from a large amount of rainwater, lead to the construction unable to go on, also can prevent simultaneously that the foundation ditch from receiving the soaking of a large amount of rainwater, lead to soil property loose, and then the initiation is collapsed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic structural view of an arcuate plate of the present invention;

the reference numbers in the figures illustrate: 1. a protection plate; 2. a base; 3. a chute; 4. a slider; 5. a support plate; 6. a connecting plate; 7. a bidirectional threaded rod; 8. a fixing ring; 9. a rotation handle; 10. a threaded barrel; 11. pressing a plate; 12. connecting blocks; 13. a baffle plate; 14. a fixed block; 15. a rotating shaft; 16. a collar; 17. an arc-shaped plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

a foundation pit supporting device for building construction comprises two protection plates 1, wherein a base 2 is arranged at the bottom of each protection plate 1, a chute 3 is formed in the top of each base 2, a sliding block 4 is connected to the inner wall of each chute 3 in a sliding manner, a support plate 5 is fixedly arranged on one side, close to the inner side, of each protection plate 1, a connecting plate 6 is fixedly arranged on the top of each support plate 5, a bidirectional threaded rod 7 is arranged between the two protection plates 1, a fixing ring 8 is fixedly arranged on the outer surface of each bidirectional threaded rod 7, a plurality of rotating handles 9 are fixedly arranged on the circumferential outer wall of each fixing ring 8 in an annular structure, threaded cylinders 10 are respectively and threadedly connected to two ends of each bidirectional threaded rod 7, a pressing plate 11 is fixedly arranged on one side, close to the outer side, of each protection plate 1, a connecting block 12 is fixedly arranged on the top of each pressing plate 11, a baffle plate 13 is arranged above each baffle plate 13, two fixing blocks 14 are fixedly arranged on the top of each baffle plate 13 in a front-back symmetrical structure, a rotating shaft 15 is arranged above each baffle plate, two lantern rings 16 are rotatably connected on the outer surface of each rotating shaft in a front-back symmetrical structure, an arc-shaped plate 17 is arranged above the pressing plate 11; in the using process, firstly, the rotating handle 9 drives the fixing ring 8 to rotate, so that the fixing ring 8 drives the bidirectional threaded rod 7 to rotate, the two sides of the threaded cylinder 10 and the connecting plate 6 at the two ends can respectively move in the rotating process of the bidirectional threaded rod 7, thereby promoting the protection plate 1 to slide along the base 2 and extruding the two sides of the inner wall of the foundation pit to play a role in supporting and protecting, at the moment, the pressing plate 11 is positioned at the top of the foundation pit, a user can protect the edge of the top of the foundation pit by turning over the baffle 13 to avoid stones or buildings from rolling into the interior of the foundation pit from the edge of the foundation pit, the constructors are hurt, when the constructors meet the rainy weather, the users can turn over the arc-shaped plate 17, the bottom of the arc-shaped plate 17 is in contact with the inner wall of the groove at the top of the pressing plate 11, so that rainwater can be blocked, and a large amount of rainwater is prevented from flowing into the foundation pit; the device can drive the threaded cylinder 10 and the connecting plate 6 to move by rotating the rotating handle 9, so that the two protection plates 1 synchronously move reversely, the inner wall of the foundation pit is extruded and supported, the support stability is improved by respectively reversely extruding the two protection plates 1 through the two sides of the inner wall of the foundation pit, the installation speed is also improved, the protection plates 1 are convenient to loosen in the later period, and the reinforcement is timely carried out by rotating the rotating handle 9; through the arrangement of the baffle 13, constructors inside the foundation pit can be protected, and the situation that broken stones roll into the foundation pit to be injured is avoided; through setting up arc 17, can block the rainwater to inside avoiding a large amount of rainwater to flow into the foundation ditch, lead to the construction unable to go on, also can prevent simultaneously that the foundation ditch from receiving the soaking of a large amount of rainwater, lead to soil property loose, and then the initiation collapses.

Specifically, the connecting plate 6 and the threaded cylinder 10 are respectively in threaded connection with the bidirectional threaded rod 7, and the threaded cylinder 10 is fixedly connected with the protection plate 1.

Furthermore, the connecting block 12 is rotatably connected with the baffle 13, and two ends of the rotating shaft 15 are respectively fixedly connected with the two fixing blocks 14.

Still further, the arc-shaped plate 17 is fixedly connected with the collar 16.

The working principle is as follows: in the using process, firstly, the base 2 is placed in a foundation pit, the sliding blocks 4 at the bottom of the protection plate 1 are respectively installed in the sliding grooves 3 at the top of the base 2, the fixing rings 8 are driven to rotate through the rotating handles 9, so that the fixing rings 8 drive the bidirectional threaded rods 7 to rotate, the two sides of the threaded cylinders 10 and the two sides of the connecting plate 6 at the two ends can respectively move in the rotating process of the bidirectional threaded rods 7, the protection plate 1 is pushed to slide along the base 2, two sides of the inner wall of the foundation pit are extruded, the supporting and protecting effects are achieved, the pressing plate 11 is positioned at the top of the foundation pit at the moment, a user can protect the top edge of the foundation pit through the turnover baffle 13, stones or buildings are prevented from rolling into the interior of the foundation pit from the edge of the foundation pit, and causing injury to constructors, when rainy weather occurs, the user can enable the bottom of the arc-shaped plate 17 to be in contact with the inner wall of the top groove of the pressing plate 11 through turnover baffle 13, thereby can block the rainwater, avoid inside a large amount of rainwater inflow foundation ditch.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foundation ditch supporting device for construction, includes two guard plates (1), its characterized in that: the protection plate is characterized in that a base (2) is arranged at the bottom of the protection plate (1), a sliding groove (3) is formed in the top of the base (2), a sliding block (4) is connected to the inner wall of the sliding groove (3) in a sliding manner, a supporting plate (5) is fixedly arranged on one side of the protection plate (1) close to the inner side, a connecting plate (6) is fixedly arranged on the top of the supporting plate (5), a two-way threaded rod (7) is arranged between the two protection plates (1), a fixing ring (8) is fixedly arranged on the outer surface of the two-way threaded rod (7), a plurality of rotating handles (9) are fixedly arranged on the outer circumferential wall of the fixing ring (8) in an annular structure, threaded cylinders (10) are respectively connected to the two ends of the two-way threaded rod (7) in a threaded manner, a pressing plate (11) is fixedly arranged on one side of the protection plate (1) close to the outer side, a connecting block (12) is fixedly arranged on the top of the pressing plate (11), a baffle (13) is arranged above the pressing plate (11), the top of the baffle (13) is a front-back symmetrical structure and is fixedly arranged with two fixing blocks (14), baffle (13) top is equipped with pivot (15), pivot (15) surface is symmetrical structure rotation around personally submitting and is connected with two lantern rings (16), clamp plate (11) top is equipped with arc (17).

2. A foundation pit supporting apparatus for use in building construction according to claim 1, wherein: the connecting plate (6) and the threaded cylinder (10) are respectively in threaded connection with the bidirectional threaded rod (7), and the threaded cylinder (10) is fixedly connected with the protection plate (1).

3. A foundation pit supporting apparatus for use in building construction according to claim 1, wherein: the connecting block (12) is rotatably connected with the baffle (13), and two ends of the rotating shaft (15) are fixedly connected with the two fixing blocks (14) respectively.

4. A foundation pit supporting apparatus for use in building construction according to claim 1, wherein: the arc-shaped plate (17) is fixedly connected with the lantern ring (16).