CN216360722U

CN216360722U - Foundation pit supporting device for constructional engineering

Info

Publication number: CN216360722U
Application number: CN202123198065.6U
Authority: CN
Inventors: 蔡仲华; 张志宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-22
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of constructional engineering, and particularly discloses a foundation pit supporting device for constructional engineering, wherein a first supporting plate is arranged above the left side of a base, a supporting rod is arranged between the base and the first supporting plate, a second supporting plate is arranged below the first supporting plate, a third supporting plate is arranged between the first supporting plate and the second supporting plate, the upper end and the lower end of the third supporting plate are both provided with bulges, first grooves are formed in the positions, corresponding to the bulges, of the first supporting plate and the second supporting plate, and the bulges are clamped in the first grooves; when the foundation pit is supported, the side wall of the foundation pit can be completely supported through the first supporting plate, the second supporting plate and the third supporting plate, the middle position of the side wall of the foundation pit is ensured not to be in a hollow state, the middle position of the side wall of the foundation pit is prevented from collapsing, and the supporting effect of the side wall of the foundation pit is good.

Description

Foundation pit supporting device for constructional engineering

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a foundation pit supporting device for constructional engineering.

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 and drainage work is performed, a side slope can be placed for people who do not excavate deeply, the soil slope is stable, the slope is determined according to relevant construction regulations, the outer side soil layer is prevented from collapsing when excavation is deeper and nearby the buildings, a foundation pit supporting method and the like can be used, and a foundation pit supporting device is usually used for supporting a wall in order to prevent the side wall of the foundation pit from collapsing.

A excavation supporting device for building engineering of prior art development, an excavation supporting device for building engineering like CN214783987U, this utility model is when using, can be through inserting helical blade into the soil layer, and then play the stabilization to the foundation ditch, make the stability ability of foundation ditch higher, and excavation supporting device is when using, the position and the angle control range of backup pad are bigger, it is comparatively convenient to make use, but it has following weak point in the use, be in the fretwork state between base and the backup pad, only prop the top and the bottom of foundation ditch lateral wall well, can not prop the lateral wall of foundation ditch well completely, its fretwork department easily takes place to collapse.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a foundation ditch supporting device for building engineering, includes base, first backup pad and bracing piece, the left side top of base is provided with first backup pad, be provided with the bracing piece between base and the first backup pad, the below of first backup pad is provided with the second backup pad, be provided with the third backup pad between first backup pad and the second backup pad, the upper and lower both ends of third backup pad all are provided with the arch, first recess has been seted up for bellied position on first backup pad and the second backup pad, protruding joint is in first recess, bellied right side sets up fastening bolt.

As a further scheme of the present invention, a telescopic rod is further disposed between the first support plate and the second support plate, the upper end and the lower end of the telescopic rod are respectively and fixedly connected to the first support plate and the second support plate, a second groove is disposed on the third support plate at a position opposite to the telescopic rod, and the third support plate is clamped in the second groove.

As a further scheme of the present invention, an installation plate is disposed at a middle position of a right sidewall body of the first support plate, first screws are disposed at front and rear ends of the installation plate, a top of the support rod is movably inserted into the first screws, and first nuts are disposed outside the first screws.

As a further scheme of the present invention, a sliding block is disposed at the bottom of the supporting rod, a third groove is disposed at the left side of the sliding block, a second screw rod is disposed inside the third groove, the bottom of the supporting rod is movably inserted into the second screw rod, the front end and the rear end of the second screw rod both extend to the outer side of the sliding block, and second nuts are disposed at the front end and the rear end of the second screw rod.

As a further scheme of the present invention, a sliding groove is formed in a position of the upper surface of the base, which is opposite to the sliding block, a plurality of threaded holes are formed in the bottom of the sliding groove, and a third screw rod is arranged on the sliding block.

As a further scheme of the present invention, a fixed block is disposed right above the base, fourth screws are disposed at four corners of the fixed block, and the fourth screws pass through the base and extend to a position below the base.

As a further aspect of the present invention, the bottom of the second supporting plate is fixedly connected to the base, and the lower surface of the base and the left sidewall of the first supporting plate, the second supporting plate, and the third supporting plate are all provided with saw-teeth.

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

according to the utility model, the first supporting plate is arranged above the left side of the base, the second supporting plate is arranged below the first supporting plate, the third supporting plate is arranged between the first supporting plate and the second supporting plate, when the foundation pit is supported, the side wall of the foundation pit can be completely supported through the first supporting plate, the second supporting plate and the third supporting plate, the middle position of the side wall of the foundation pit is ensured not to be in a hollow state, the middle position of the side wall of the foundation pit is prevented from collapsing, and the supporting effect of the side wall of the foundation pit is better.

Drawings

Fig. 1 is a schematic structural view of a foundation pit supporting apparatus for construction work;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at B in FIG. 1;

FIG. 4 is an enlarged view of a portion of the structure at C in FIG. 1;

fig. 5 is a schematic structural diagram of the installation of the first support plate, the second support plate and the third support plate.

In the figure: 1. a base; 101. a chute; 102. a threaded hole; 2. a first support plate; 201. mounting a plate; 202. a first screw; 203. a first nut; 3. a support bar; 4. a second support plate; 5. a third support plate; 501. a protrusion; 502. fastening a bolt; 503. a second groove; 6. a first groove; 7. a telescopic rod; 8. a slider; 801. a third groove; 802. a second screw; 803. a second nut; 9. a third screw; 10. a fixed block; 11. and a fourth screw.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, a foundation pit supporting device for building engineering includes a base 1, a first supporting plate 2 and a supporting rod 3, the first supporting plate 2 is disposed above the left side of the base 1, the supporting rod 3 is disposed between the base 1 and the first supporting plate 2, the second supporting plate 4 is disposed below the first supporting plate 2, the third supporting plate 5 is disposed between the first supporting plate 2 and the second supporting plate 4, when supporting a foundation pit, the side wall of the foundation pit can be completely supported by the first supporting plate 2, the second supporting plate 4 and the third supporting plate 5, so as to ensure that the middle position of the side wall of the foundation pit is not in a hollow state, avoid the middle position of the side wall of the foundation pit from collapsing, the supporting effect of the side wall of the foundation pit is good, the upper and lower ends of the third supporting plate 5 are both provided with protrusions 501, and the first grooves 6 are disposed on the first supporting plate 2 and the second supporting plate 4 opposite to the protrusions 501, protruding 501 joint is in first recess 6, and the right side of protruding 501 sets up fastening bolt 502, and in the installation of third backup pad 5, hug closely protruding 501 in first recess 6 to through fastening bolt 502 with the upper and lower both ends fixed mounting of third backup pad 5 on first backup pad 2 and second backup pad 4, ensure that third backup pad 5 can not take place to empty at the in-process that uses.

In fig. 1 and 5, a telescopic rod 7 is further disposed between the first support plate 2 and the second support plate 4, the upper and lower ends of the telescopic rod 7 are respectively fixedly connected to the first support plate 2 and the second support plate 4, a second groove 503 is disposed on the third support plate 5 at a position corresponding to the telescopic rod 7, the third support plate 5 is clamped in the second groove 503, the first supporting plate 2 and the second supporting plate 4 can be ensured to be fixed together all the time through the telescopic rod 7, thereby further enhancing the structural strength of the whole supporting device, according to the foundation pits with different depths, the third supporting plates 5 with different sizes are selected to ensure that the third supporting plates 5 can completely support the middle position of the side wall of the foundation pit, the middle position of the side wall of the foundation pit is not in a hollow state, thereby can not lead to the intermediate position of foundation ditch lateral wall to take place to collapse, whole strutting arrangement's strong adaptability.

In fig. 1 and 2, a mounting plate 201 is disposed at a middle position of a right side wall body of the first support plate 2, first screws 202 are disposed at front and rear ends of the mounting plate 201, a top of the support rod 3 is movably inserted into the first screws 202, and first nuts 203 are disposed outside the first screws 202.

In fig. 1 and 4, a sliding block 8 is arranged at the bottom of the supporting rod 3, a third groove 801 is formed in the left side of the sliding block 8, a second screw 802 is arranged inside the third groove 801, the bottom of the supporting rod 3 is movably inserted into the second screw 802, the front end and the rear end of the second screw 802 extend to the outer side of the sliding block 8, and second nuts 803 are arranged at the front end and the rear end of the second screw 802.

In fig. 1 and 4, a sliding groove 101 is formed in the upper surface of the base 1 relative to the position of the sliding block 8, a plurality of threaded holes 102 are formed in the bottom of the sliding groove 101, a third screw 9 is arranged on the sliding block 8, in the installation process of the whole supporting device, the first supporting plate 2 and the third supporting plate 5 can be correspondingly adjusted according to the depths of different foundation pits, it is ensured that the side walls of the foundation pits are completely supported by the first supporting plate 2, the second supporting plate 4 and the third supporting plate 5, the first nut 203, the second nut 803 and the third screw 9 are unscrewed through rotation, the first supporting plate 2 is located at the top of the foundation pit, the position of the sliding block 8 relative to the sliding groove 101 is correspondingly adjusted, it is ensured that the first supporting plate 2 is supported by the supporting rod 3, and the first supporting plate 2 cannot fall off from the side walls of the foundation pits.

In fig. 1, be provided with fixed block 10 directly over base 1, four corners of fixed block 10 all are provided with fourth screw rod 11, fourth screw rod 11 all passes base 1, and extend to the below of base 1, in the in-process of installing base 1, place base 1 in the bottom of foundation ditch, and hug closely base 1's left side wall body in the bottom of foundation ditch lateral wall, second backup pad 4 hugs closely on the lateral wall of foundation ditch equally, and through rotating fourth screw rod 11, make the inside of foundation ditch inserted to fourth screw rod 11's bottom, fix base 1 in the foundation ditch firmly, when guaranteeing whole supporting device's use, can not take place relative slip with between the foundation ditch, thereby further improved whole supporting device's supporting effect.

In fig. 1, the bottom of the second supporting plate 4 is fixedly connected to the base 1, the lower surface of the base 1 and the left side walls of the first supporting plate 2, the second supporting plate 4 and the third supporting plate 5 are all provided with saw-toothed shapes, in the installation process of the whole supporting device, the lower surface of the base 1 and the left side walls of the first supporting plate 2, the second supporting plate 4 and the third supporting plate 5 are all provided with saw-toothed shapes, so that the contact area between the base 1 and the bottom of the foundation pit is increased, the bottom of the base 1 can be more firmly fixed at the bottom of the foundation pit, the contact area between the first supporting plate 2, the second supporting plate 4 and the third supporting plate 5 and the side wall of the foundation pit is increased, the left sides of the first supporting plate 2, the second supporting plate 4 and the third supporting plate 5 can be more firmly fixed on the side wall of the foundation pit, and relative sliding between the whole supporting device and the foundation pit can not occur, thereby further improving the supporting effect of the whole supporting device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A foundation pit supporting device for constructional engineering comprises a base (1), a first supporting plate (2) and a supporting rod (3), a first supporting plate (2) is arranged above the left side of the base (1), a supporting rod (3) is arranged between the base (1) and the first supporting plate (2), it is characterized in that a second supporting plate (4) is arranged below the first supporting plate (2), a third supporting plate (5) is arranged between the first supporting plate (2) and the second supporting plate (4), the upper end and the lower end of the third supporting plate (5) are both provided with a bulge (501), the first supporting plate (2) and the second supporting plate (4) are provided with a first groove (6) at the position corresponding to the bulge (501), the bulge (501) is clamped in the first groove (6), and a fastening bolt (502) is arranged on the right side of the bulge (501).

2. The foundation pit supporting device for building engineering according to claim 1, wherein a telescopic rod (7) is further arranged between the first supporting plate (2) and the second supporting plate (4), and a second groove (503) is formed in the third supporting plate (5) at a position opposite to the telescopic rod (7).

3. The foundation pit supporting device for building engineering according to claim 1, wherein a mounting plate (201) is arranged in the middle of the right side wall body of the first supporting plate (2), first screws (202) are arranged at the front end and the rear end of the mounting plate (201), the top of the supporting rod (3) is movably inserted into the first screws (202), and first nuts (203) are arranged on the outer sides of the first screws (202).

4. The foundation pit supporting device for the building engineering as claimed in claim 1, wherein a sliding block (8) is arranged at the bottom of the supporting rod (3), a third groove (801) is formed in the left side of the sliding block (8), a second screw (802) is arranged inside the third groove (801), the bottom of the supporting rod (3) is movably inserted into the second screw (802), the front end and the rear end of the second screw (802) both extend to the outer side of the sliding block (8), and second nuts (803) are arranged at the front end and the rear end of the second screw (802).

5. The foundation pit supporting device for building engineering according to claim 4, wherein the upper surface of the base (1) is provided with a sliding groove (101) at a position corresponding to the sliding block (8), the bottom of the sliding groove (101) is provided with a plurality of threaded holes (102), and the sliding block (8) is provided with a third screw (9).

6. The foundation pit supporting device for building engineering according to claim 1, characterized in that a fixed block (10) is arranged right above the base (1), and four corners of the fixed block (10) are provided with fourth screws (11).

7. A foundation pit supporting device for building engineering according to claim 1, characterized in that the bottom of the second supporting plate (4) is fixedly connected to the base (1), and the lower surface of the base (1) and the left side walls of the first supporting plate (2), the second supporting plate (4) and the third supporting plate (5) are provided with saw-toothed shapes.