CN219280713U

CN219280713U - Collapse-preventing deep foundation pit supporting device for foundation engineering

Info

Publication number: CN219280713U
Application number: CN202223445484.XU
Authority: CN
Inventors: 马月明; 王林; 马月申
Original assignee: Hebei Zhongshui Construction Engineering Co ltd
Current assignee: Hebei Zhongshui Construction Engineering Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-30
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of foundation pit support, and discloses a deep foundation pit support device for collapse prevention foundation engineering, which comprises a support shell, wherein a double-shaft motor is fixedly arranged in the middle position inside the support shell, a first screw rod and a second screw rod are respectively fixedly arranged at the upper end and the lower end of an output shaft of the double-shaft motor, the first screw rod is positioned above the second screw rod, a first support plate is sleeved on the first screw rod in a threaded manner, a second support plate is sleeved on the second screw rod in a threaded manner, the upper end of the first support plate is penetrated through the support shell in a sliding manner and extends to the upper side of the support shell, a support top plate is fixedly arranged on the upper end of the first support plate, and the lower end of the second support plate is penetrated through the support shell in a sliding manner and extends to the lower side of the support shell and is fixedly provided with a support bottom plate. The utility model can automatically adjust according to the depth of the foundation pit, thereby improving the application range.

Description

Collapse-preventing deep foundation pit supporting device for foundation engineering

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a deep foundation pit support device for collapse prevention foundation engineering.

Background

The foundation pit is a soil pit excavated according to the elevation of a substrate and the plane size of the foundation, the excavation scheme is determined according to geological hydrologic data before excavation and by combining the conditions of buildings nearby the site, waterproof drainage work is carried out, a method of discharging a side slope can be used for the person with the non-deep excavation, the soil slope is stable, the gradient size of the soil slope is determined according to relevant construction regulations, the person with the deep excavation and the vicinity of the building can use a foundation pit wall supporting method, a shotcrete wall protecting method, and a large foundation pit even adopts methods such as underground continuous walls, column type bored pile interlocking and the like.

At present, when the foundation engineering is constructed, in order to prevent the problem that the foundation pit collapses, protection support treatment is needed to be carried out on the foundation pit, but the existing support device is difficult to adjust according to the depth of the foundation pit, so that the application range of the support device is lower, and further the deep foundation pit support device for the foundation engineering is provided.

Disclosure of Invention

The utility model provides a collapse-preventing deep foundation pit supporting device for foundation engineering, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a prevent deep basal pit strutting arrangement for foundation engineering that collapses, includes the support shell, the inside middle part position fixed mounting of support shell has biax motor, both ends respectively fixed mounting have first screw rod, second screw rod about the biax motor output shaft, and first screw rod is located the second screw rod top, first backplate is equipped with to the screw thread cover on the first screw rod, the screw thread cover is equipped with the second backplate on the second screw rod, first backplate upper end slip runs through in the support shell to extend to support shell top, and fixed mounting has a support top board, second backplate lower extreme slip runs through in the support shell, and extends to support shell below, and fixed mounting has a support bottom plate.

Preferably, the first support plate and the second support plate are in sliding fit with the inner wall of the support shell along the vertical direction.

Preferably, the inner rear end face of the support shell is fixedly provided with an installation transverse plate at the front side of the first support plate, the middle part of the lower end of the installation transverse plate is fixedly provided with a touch switch, and the front end of the bottom of the first support plate is fixedly provided with a touch pad at the right lower part of the touch switch.

Preferably, the touch switch is electrically connected with the double-shaft motor.

Preferably, the lower end of the supporting bottom plate is fixedly provided with four positioning inserted bars in a rectangular array.

Preferably, the first screw and the second screw are opposite in screw thread direction and same in screw thread density.

Preferably, the double-shaft motor is fixedly provided with a mounting rod at the front, the back, the left and the right, and the other end of the mounting rod is fixedly connected with the inner wall of the supporting shell.

The beneficial effects of the utility model are as follows:

1. the foundation pit can be supported through the support shell, the first support plate, the support top plate, the second support plate and the support bottom plate, the foundation pit can be adjusted according to the depth of the foundation pit, and the double-shaft motor is started to drive the first screw and the second screw to rotate so as to drive the first support plate and the second support plate to move back to back, so that the height of the foundation pit can be adjusted.

2. When the first support plate rises, the touch control plate can be driven to rise, the touch control plate is contacted with the touch control switch, the touch control switch is started, the double-shaft motor can be controlled to stop working, through the design, the maximum adjusting range of the first support plate and the second support plate can be conveniently limited, and the first support plate and the second support plate are prevented from being separated from the support shell.

The utility model can automatically adjust according to the depth of the foundation pit, thereby improving the application range.

Drawings

Fig. 1 is a perspective view of a deep foundation pit supporting device for collapse prevention foundation engineering, which is provided by the utility model.

Fig. 2 is a front view of a deep foundation pit supporting device for collapse prevention foundation engineering according to the present utility model.

Fig. 3 is a cross-sectional view of a support shell in the deep foundation pit support device for preventing collapse according to the present utility model.

Fig. 4 is a partial structural cross-sectional view of a deep foundation pit supporting device for collapse prevention foundation engineering according to the present utility model.

Reference numerals in the drawings: 1 supporting shell, 2 first supporting plate, 3 supporting roof, 4 second supporting plate, 5 supporting bottom plate, 6 location inserted bar, 7 biax motors, 8 first screw rod, 9 installation diaphragm, 10 touch switch, 11 touch panel, 12 second screw rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a deep foundation pit supporting device for collapse prevention of foundation engineering comprises a supporting shell 1, wherein a double-shaft motor 7 is fixedly installed in the middle position inside the supporting shell 1, a first screw rod 8 and a second screw rod 12 are fixedly installed at the upper end and the lower end of an output shaft of the double-shaft motor 7 respectively, the first screw rod 8 is located above the second screw rod 12, a first supporting plate 2 is sleeved on the first screw rod 8 in a threaded manner, a second supporting plate 4 is sleeved on the second screw rod 12 in a threaded manner, the upper end of the first supporting plate 2 penetrates through the supporting shell 1 in a sliding manner and extends to the upper side of the supporting shell 1, a supporting top plate 3 is fixedly installed, and the lower end of the second supporting plate 4 penetrates through the supporting shell 1 in a sliding manner and extends to the lower side of the supporting shell 1, and a supporting bottom plate 5 is fixedly installed.

In this embodiment, the first support plate 2 and the second support plate 4 are both attached to the inner wall of the support shell 1 in a sliding manner along the vertical direction. By the above design, the stability of the first support plate 2 and the second support plate 4 in the vertical direction can be improved.

The inner rear end face of the support shell 1 is fixedly provided with a mounting transverse plate 9 at the front side of the first support plate 2, a touch switch 10 is fixedly arranged at the middle position of the lower end of the mounting transverse plate 9, and a touch control plate 11 is fixedly arranged at the front end position of the bottom of the first support plate 2 and right below the touch switch 10. When the first support plate 2 rises, the touch control plate 11 can be driven to rise, the touch control plate 11 is contacted with the touch control switch 10, the touch control switch 10 is started, the double-shaft motor 7 can be controlled, and the double-shaft motor 7 can stop working.

The touch switch 10 is electrically connected with the double-shaft motor 7.

Four positioning inserted bars 6 are fixedly arranged at the lower end of the supporting bottom plate 5 in a rectangular array. The foundation pit is inserted into the bottom of the foundation pit through four positioning inserted bars 6, so that the stable fixing of the foundation pit can be realized.

The first screw 8 and the second screw 12 are opposite in screw flight direction and the screw flight density is the same.

The installation rods are fixedly installed on the front, the back, the left and the right of the double-shaft motor 7, and the other ends of the installation rods are fixedly connected with the inner wall of the supporting shell 1.

Working principle: the foundation pit can be supported through the support shell 1, the first support plate 2, the support top plate 3, the second support plate 4 and the support bottom plate 5, the foundation pit depth can be adjusted, the double-shaft motor 7 is started, the first screw rod 8 and the second screw rod 12 are driven to rotate, the first support plate 2 and the second support plate 4 are driven to move back, and the height of the foundation pit can be adjusted.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a prevent deep basal pit strutting arrangement for foundation engineering that collapses, includes support shell (1), its characterized in that, support shell (1) inside middle part position fixed mounting has biax motor (7), both ends are fixed mounting respectively in biax motor (7) output shaft has first screw rod (8), second screw rod (12), and first screw rod (8) are located second screw rod (12) top, first backplate (2) are equipped with to the screw thread cover on first screw rod (8), second backplate (4) are equipped with to the screw thread cover on second screw rod (12), first backplate (2) upper end slip runs through in support shell (1) to extend to support shell (1) top, and fixed mounting has a support top board (3), second backplate (4) lower extreme slip runs through in support shell (1), and extends to support shell (1) below, and fixed mounting has a support bottom board (5).

2. The collapse-preventing deep foundation pit supporting device for foundation engineering according to claim 1, wherein the first supporting plate (2) and the second supporting plate (4) are in sliding fit with the inner wall of the supporting shell (1) along the vertical direction.

3. The deep foundation pit supporting device for the collapse prevention foundation engineering according to claim 1, wherein the supporting shell (1) is arranged on the rear end face inside, an installation transverse plate (9) is fixedly installed at the front side position of the first supporting plate (2), a touch switch (10) is fixedly installed at the middle position of the lower end of the installation transverse plate (9), and a touch control plate (11) is fixedly installed at the front end position of the bottom of the first supporting plate (2) and is located right below the touch switch (10).

4. A deep foundation pit supporting device for collapse prevention according to claim 3, wherein the touch switch (10) is electrically connected with the biaxial motor (7).

5. The collapse-preventing deep foundation pit supporting device for foundation engineering according to claim 1, wherein four positioning inserting rods (6) are fixedly arranged at the lower end of the supporting bottom plate (5) in a rectangular array.

6. The collapse-preventing deep foundation pit supporting device for foundation engineering according to claim 1, wherein the threads of the first screw (8) and the threads of the second screw (12) are opposite in direction, and the threads have the same density.

7. The collapse-preventing deep foundation pit supporting device for foundation engineering according to claim 1, wherein the mounting rods are fixedly mounted on the front, back, left and right sides of the double-shaft motor (7), and the other ends of the mounting rods are fixedly connected with the inner wall of the supporting shell (1).