Geotechnical engineering supporting method and supporting equipment

Abstract

The invention discloses a geotechnical engineering supporting method and supporting equipment, and relates to the technical field of geotechnical engineering.The geotechnical engineering supporting equipment comprises a plurality of supporting plates evenly arranged on the side wall of a foundation pit to be supported; the lower end of the first supporting assembly is inserted into the bottom of the foundation pit; the distance adjusting assembly is arranged at the top of the first supporting assembly; the multiple sets of supporting assemblies are evenly arranged around the distance adjusting assembly, one ends of the supporting assemblies are in sliding connection with the corresponding supporting plates in the radial direction, and the other ends of the supporting assemblies are connected with the distance adjusting assembly. The supporting point of the supporting equipment on the side wall of the foundation pit in the foundation pit can be adjusted according to actual requirements, the supporting point can be accurately adjusted, and the better supporting effect is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of geotechnical engineering, and in particular to a geotechnical engineering support method and support equipment. Background Art

[0002] With the rapid development of society, people's research on rock engineering is becoming more and more extensive, because the aspects it involves will greatly affect people's lives. For example, when excavating a tunnel, people will definitely study the rock and soil conditions of this section first.

[0003] At present, geotechnical engineering is focusing on solving rock and soil engineering problems, including foundation and foundation, slope and underground engineering, etc. As its research object, support will be applied in foundation pit construction to ensure that the side walls of the foundation pit will not collapse during the construction of the foundation pit, thus ensuring construction safety.

[0004] Most of the existing geotechnical support mechanisms have a simple structure. The existing Chinese invention patent application number is CN202110554710.9, and the title is a foundation pit support device for geotechnical engineering, comprising two contact plates rotatably connected to each other, a threaded barrel and a drill rod are provided on the contact plate, a rotating block is provided at one end of the drill rod, a vertical cavity, a movable column, a mud discharge cavity and a mud delivery assembly are provided in the drill rod and the rotating block, a fixing assembly for fixing the movable column in the vertical cavity is provided in the drill rod, two horizontal grooves and a one-way valve are provided in the drill rod, and a support assembly is provided between the two contact plates. The drill rod with transverse grooves is moved into the foundation pit, and then the mud is transported from the outside to the mud discharge cavity of the movable column in the drill rod through the connector, extension pipe and mud delivery port. The special shape of the mud delivery port on the plug block drives the plug block to move, and the mud discharge cavity on the movable column is connected to the transverse groove on the drill rod, so that the mud is discharged to the top of the drill rod. After the mud solidifies, the drill rod is stably placed in the foundation pit. In the above scheme, pouring is required to realize the fixation and support of the device. However, during the construction of the foundation pit, the position of the support point needs to be changed according to the actual situation to ensure the support effect in real time and avoid safety problems. The above technical means cannot accurately adjust to support a certain point and cannot be adjusted in real time to ensure the support effect. Summary of the invention

[0005] In order to overcome the shortcomings of the above-mentioned prior art that the support for a certain point cannot be accurately adjusted and real-time adjustment cannot be made to ensure the support effect, the main purpose of the present invention is to provide a geotechnical engineering support method and support equipment.

[0006] To achieve the above object, the present invention adopts the following technical solution, a geotechnical engineering support device, comprising:

[0007] Multiple support plates are evenly arranged on the side walls of the foundation pit to be supported;

[0008] The first support assembly is arranged at the bottom of the foundation pit, and its lower end is inserted into the bottom of the pit;

[0009] A spacing adjustment component is arranged on the top of the first supporting component;

[0010] A plurality of support components are evenly arranged around the spacing adjustment component, one end of which is slidably connected to the corresponding support plate in the radial direction, and the other end is connected to the spacing adjustment component.

[0011] The spacing adjustment component comprises:

[0012] Lower positioning plate, horizontal setting;

[0013] A first support, the lower end of which is inserted into the bottom of the foundation pit, and the upper end of which passes through the lower positioning plate and is fixedly connected to the lower positioning plate;

[0014] A first support rod, the lower end of which is vertically connected to the lower positioning plate;

[0015] The upper positioning plate is arranged parallel to the lower positioning plate, and the bottom of the upper positioning plate is vertically fixedly connected to the upper end of the first support rod.

[0016] It also includes a first rotation driving member arranged on the upper positioning plate, the upper end of the first support rod passes through the upper positioning plate and is connected to the first rotation driving member, and the first support rod is rotationally connected to the lower positioning plate.

[0017] Also includes:

[0018] The limited sliding component is fixed on the supporting plate and is hinged to a group of supporting components corresponding to the same position.

[0019] The support assembly includes two support rods, the lower end of one support rod is hinged to the upper positioning plate, and the upper end of the support rod is hinged to the sliding end of the limit sliding assembly located above in the same direction; the upper end of the other support rod is hinged to the lower positioning plate, and the lower end of the support rod is hinged to the sliding end of the limit sliding assembly located below in the same direction.

[0020] The limiting sliding assembly comprises:

[0021] The two slide rails are both vertically fixed on the upper and lower parts of the support plate and are not located on the same longitudinal line;

[0022] Two sliding blocks are slidably disposed on the two sliding rails respectively;

[0023] A fixed plate is fixed on the ground surface near the foundation pit, with one end extending above the foundation pit;

[0024] Two limiting rods, the lower ends of which respectively pass through the fixing plate and are rotatably connected to the tops of the two sliding blocks, and the two limiting rods are threadedly connected to the fixing plate;

[0025] Two first pressure elastic parts are respectively arranged in the two slide rails, one end of the first pressure elastic part is connected to the sliding block in the slide rail, and the other end is connected to one end of the slide rail close to the midline of the supporting plate.

[0026] The fixing plate is fixedly connected to the ground surface through a plurality of pile foundations, and the pile foundations are cast piles.

[0027] It also includes a base plate, which is arranged at the bottom of the foundation pit. The first pillar passes through the base plate and is inserted into the soil at the bottom of the foundation pit. The base plate is fixed to the bottom of the foundation pit by a plurality of fixing anchor rods.

[0028] The substrate is a grid plate.

[0029] A supporting method for geotechnical engineering supporting equipment comprises the following steps:

[0030] Evenly lay multiple support plates on the side walls of the foundation pit to be supported;

[0031] Install the first support assembly at the bottom of the foundation pit and insert its lower end into the bottom of the foundation pit;

[0032] The spacing adjustment assembly is installed on the top of the first supporting assembly;

[0033] A plurality of groups of support components are evenly arranged around the spacing adjustment component, one end of which is slidably connected to the corresponding supporting plate in the radial direction, and the other end is connected to the spacing adjustment component.

[0034] A supporting method for geotechnical engineering supporting equipment comprises the following steps:

[0035] Two slide rails are arranged along the length direction on each of the plurality of support plates, and the two slide rails are not located on the same longitudinal line, and a sliding block is arranged in each slide rail;

[0036] Then, multiple support plates are evenly laid on the side walls of the foundation pit to be supported;

[0037] The base plate is placed at the bottom of the foundation pit and fixed by a plurality of fixing anchor rods, and then the first support rod is vertically inserted into the base plate until it is inserted into the soil;

[0038] The lower positioning plate is fixedly connected vertically to the top of the first support rod, and then the lower end of the first pillar is rotatably connected to the top of the lower positioning plate, and the upper positioning plate is installed on the upper end of the first pillar, and the first pillar passes through the upper positioning plate and is connected to the first rotating driving member placed on the top of the upper positioning plate, and the upper positioning plate is arranged parallel to the lower positioning plate;

[0039] Multiple groups of support components are evenly arranged around the spacing adjustment component, and one end of the two support rods of each group is hinged to the upper positioning plate and the lower positioning plate respectively; the other end is hinged to the two sliders opposite to each other in the same radial direction;

[0040] The fixed plate is fixed on the ground surface near the foundation pit by pouring piles, one end of which extends to the top of the foundation pit, and then the two limit rods are vertically passed through the fixed plate and are rotatably connected with the two sliders. Compared with the prior art, the beneficial effects of the present invention are as follows: the support point of the supporting equipment on the side wall of the foundation pit in the foundation pit can be adjusted according to actual needs, and the support for the side wall of the foundation pit is realized by cooperating with the displacement sliding component, the spacing adjustment component and the support component. At the same time, the support force of the side wall of the foundation pit can be changed by adjusting the distance between the upper positioning plate and the lower positioning plate of the spacing adjustment component, and the support point on the support plate can be accurately adjusted by moving the support point position of the support component on the support plate, thereby effectively adjusting the change of the support force, and effectively adjusting and ensuring that the support effect is in the best state in real time. The structure and connection method of the support component make the whole system flexible and adaptable to foundation pits of different shapes and sizes. Through the fixed plate and pile foundation, the stability and reliability of the support system are increased, and the risk of foundation pit collapse is reduced. The spacing adjustment component and the limit sliding component allow the support position and angle to be fine-tuned to adapt to changes in underground conditions. It provides a complete support system with reasonable structure and easy construction, which can be applied to various geotechnical engineering projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic diagram of the structure of the present invention;

[0042] Figure 2 It is a side view schematic diagram of the partial structure of the present invention;

[0043] Figure 3 It is a schematic diagram of the main structure of the support plate of the present invention. DETAILED DESCRIPTION

[0044] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0045] Example:

[0046] See also Figure 1-3 A geotechnical engineering support device comprises a plurality of support plates 2, which are evenly arranged on the side walls of a foundation pit to be supported; a first support assembly, which is arranged at the bottom of the foundation pit, and its lower end is inserted into the bottom of the foundation pit; a spacing adjustment assembly, which is arranged at the top of the first support assembly; and a plurality of support assemblies, which are evenly arranged around the spacing adjustment assembly, one end of which is slidably connected to the corresponding support plate 2 in the radial direction, and the other end is connected to the spacing adjustment assembly.

[0047] The spacing adjustment component includes: a lower positioning plate 4, which is arranged horizontally; a first pillar 3, whose lower end is inserted into the bottom of the foundation pit, and whose upper end passes through the lower positioning plate 4 and is fixedly connected to the lower positioning plate 4; a first support rod 5, whose lower end is vertically connected to the lower positioning plate 4; an upper positioning plate 6, which is arranged parallel to the lower positioning plate 4, and whose bottom is vertically fixedly connected to the upper end of the first support rod 5.

[0048] It also includes a first rotating driving member disposed on the upper positioning plate 6 , the upper end of the first support rod 5 passes through the upper positioning plate 6 and is connected to the first rotating driving member, and the first support rod 5 is rotatably connected to the lower positioning plate 4 .

[0049] It also includes: a limit sliding assembly 8, which is fixed on the support plate 2 and hinged with a group of support assemblies corresponding to the same position. The support assembly includes two support rods 7, the lower end of one support rod 7 is hinged with the upper positioning plate 6, and the upper end of the support rod 7 is hinged with the sliding end of the limit sliding assembly located above in the same position; the upper end of the other support rod 7 is hinged with the lower positioning plate 4, and the lower end of the support rod 7 is hinged with the sliding end of the limit sliding assembly located below in the same position.

[0050] The limiting sliding assembly 8 includes: two slide rails 8-1, both vertically fixed on the upper and lower parts of the support plate 2, and not located on the same longitudinal line; two sliders 8-2, respectively slidably arranged on the two slide rails; a fixed plate 9, fixed on the surface near the foundation pit, one end of which extends to the top of the foundation pit; two limiting rods 10, the lower ends of which respectively pass through the fixed plates and are respectively rotatably connected to the tops of the two sliders, and the two limiting rods are threadedly connected to the fixed plates; two first pressure elastic members 11, respectively arranged in the two slide rails 8-1, one end of the first pressure elastic member 11 is connected to the slider 8-2 in the slide rail 8-1, and the other end is connected to one end of the slide rail 8-1 close to the midline of the support plate 2.

[0051] The fixing plate is fixedly connected to the ground surface through a plurality of pile foundations, and the pile foundations are cast piles. It also includes a base plate 1, which is arranged at the bottom of the foundation pit, and the first pillar 3 passes through the base plate and is inserted into the soil at the bottom of the foundation pit. The base plate is fixed to the bottom of the foundation pit by a plurality of fixing anchor rods. The base plate is a grid plate.

[0052] A supporting method for geotechnical engineering supporting equipment comprises the following steps:

[0053] Evenly laying a plurality of support plates 2 on the side walls of the foundation pit to be supported;

[0054] Install the first support assembly at the bottom of the foundation pit and insert its lower end into the bottom of the pit;

[0055] The spacing adjustment assembly is installed on the top of the first supporting assembly;

[0056] A plurality of groups of support components are evenly arranged around the spacing adjustment component, one end of which is slidably connected to the corresponding support plate 2 in the radial direction, and the other end is connected to the spacing adjustment component.

[0057] More specific steps are:

[0058] Two slide rails are arranged along the length direction on each of the plurality of support plates, and the two slide rails are not located on the same longitudinal line, and a sliding block is arranged in each slide rail;

[0059] Then, multiple support plates 2 are evenly laid on the side walls of the foundation pit to be supported;

[0060] The base plate 1 is placed at the bottom of the foundation pit and fixed by a plurality of fixing anchor rods, and then the first support rod 5 is vertically inserted into the base plate 3 until it is inserted into the soil;

[0061] The lower positioning plate 4 is fixedly connected vertically to the top of the first support rod 5, and then the lower end of the first pillar is rotatably connected to the top of the lower positioning plate 4, and the upper positioning plate 6 is installed on the upper end of the first pillar 3, and the first pillar passes through the upper positioning plate 6 and is connected to the first rotating driving member placed on the top of the upper positioning plate 6, and the upper positioning plate 6 is arranged parallel to the lower positioning plate 4;

[0062] Multiple groups of support components are evenly arranged around the spacing adjustment component, and one end of the two support rods of each group is hinged to the upper positioning plate and the lower positioning plate 4 respectively; the other end is hinged to the two sliders opposite to each other in the same radial direction;

[0063] The fixing plate 9 is fixed on the ground surface near the foundation pit by pouring piles, with one end of the fixing plate extending above the foundation pit, and then two limiting rods 10 are vertically passed through the fixing plate 9 and are rotatably connected to the two sliders.

[0064] It should be noted that, in the present invention, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0065] The above embodiments are merely examples of the present invention and do not limit the protection scope of the present invention. All designs that are the same or similar to the present invention fall within the protection scope of the present invention.

Claims

1. A geotechnical engineering support device, characterized in that: include: A plurality of support plates (2) are evenly arranged on the side walls of the foundation pit to be supported; The first support assembly is arranged at the bottom of the foundation pit, and its lower end is inserted into the bottom of the pit; A spacing adjustment component is arranged on the top of the first supporting component; A plurality of support components are evenly arranged around the spacing adjustment component, including support rods (7) and a limit sliding component (8) fixed on the support plate (2), and hinged to a group of support rods (7) corresponding to the same orientation; the support component includes two support rods (7), the lower end of one support rod (7) is hinged to the upper positioning plate (6), and the upper end thereof is hinged to the sliding end of the limit sliding component located above in the same orientation; the upper end of the other support rod (7) is hinged to the lower positioning plate (4), and the lower end thereof is hinged to the sliding end of the limit sliding component located below in the same orientation.

2. A geotechnical engineering support device according to claim 1, characterized in that: include: The spacing adjustment component comprises: A lower positioning plate (4) is arranged horizontally; A first support column (3), the lower end of which is inserted into the bottom of the foundation pit, and the upper end of which passes through the lower positioning plate (4) and is fixedly connected to the lower positioning plate (4); A first support rod (5), the lower end of which is vertically connected to the lower positioning plate (4); The upper positioning plate (6) is arranged parallel to the lower positioning plate (4), and the bottom of the upper positioning plate (6) is vertically fixedly connected to the upper end of the first support rod (5).

3. A geotechnical engineering support device according to claim 2, characterized in that: It also includes a first rotating driving member arranged on the upper positioning plate (6), the upper end of the first support rod (5) passes through the upper positioning plate (6) and is connected to the first rotating driving member, and the first support rod (5) is rotationally connected to the lower positioning plate (4).

4. A geotechnical engineering support device according to claim 3, characterized in that: The position-limiting sliding assembly (8) comprises: The two slide rails (8-1) are both vertically fixed on the upper and lower parts of the support plate (2) and are not located on the same longitudinal line; Two sliding blocks (8-2) are respectively slidably arranged on the two sliding rails; A fixed plate (9) is fixedly mounted on the ground surface near the foundation pit, with one end thereof extending to the top of the foundation pit; Two limiting rods (10), the lower ends of which respectively pass through the fixing plate and are respectively rotatably connected to the tops of the two sliding blocks, and the two limiting rods are threadedly connected to the fixing plate; Two first pressure elastic members (11) are respectively arranged in the two slide rails (8-1); one end of the first pressure elastic member (11) is connected to a slider (8-2) in the slide rail (8-1), and the other end is connected to an end of the slide rail (8-1) close to the midline of the support plate (2).

5. A geotechnical engineering support device according to claim 4, characterized in that: The fixing plate is fixedly connected to the ground surface through a plurality of pile foundations, and the pile foundations are cast piles.

6. A geotechnical engineering support method and support equipment according to claim 1, characterized in that: It also comprises a base plate (1) arranged at the bottom of the foundation pit, the first pillar (3) passing through the base plate and inserted into the soil at the bottom of the foundation pit, and the base plate is fixed to the bottom of the foundation pit by a plurality of fixing anchor rods.

7. The geotechnical engineering support equipment according to claim 1, characterized in that: The substrate is a grid plate.

8. A method for supporting geotechnical engineering support equipment according to any one of claims 1 to 7, characterized in that: The following steps are involved: Evenly laying a plurality of support plates (2) on the side walls of the foundation pit to be supported; Install the first support assembly at the bottom of the foundation pit and insert its lower end into the bottom of the foundation pit; The spacing adjustment assembly is installed on the top of the first supporting assembly; A plurality of groups of support components are evenly arranged around the spacing adjustment component, one end of each group of support components is slidably connected to a corresponding support plate (2) in a radial direction, and the other end of each group of support components is connected to the spacing adjustment component.

9. A supporting method for geotechnical engineering supporting equipment according to claim 8, characterized in that: The following steps are involved: Two slide rails arranged along the length direction are arranged on each of the plurality of supporting plates (2), wherein the two slide rails are not located on the same longitudinal line, and a sliding block is arranged in each slide rail; Then, a plurality of the support plates (2) are evenly laid on the side walls of the foundation pit to be supported; The base plate (1) is placed at the bottom of the foundation pit and fixed by a plurality of fixing anchor rods, and then the first support rod (5) is vertically inserted into the base plate (3) until it is inserted into the soil; The lower positioning plate (4) is vertically fixedly connected to the top of the first support rod (5), and then the lower end of the first support column is rotatably connected to the top of the lower positioning plate (4), and the upper positioning plate (6) is installed on the upper end of the first support column (3), and the first support column passes through the upper positioning plate (6) and is connected to the first rotating driving member placed on the top of the upper positioning plate (6), and the upper positioning plate (6) is arranged parallel to the lower positioning plate (4); Multiple groups of the support components are evenly arranged around the spacing adjustment component, and one end of the two support rods of each group is hinged to the upper positioning plate and the lower positioning plate (4) respectively; and the other end is hinged to two sliders facing each other in the same radial direction; The fixing plate (9) is fixed on the ground surface near the foundation pit through the casting piles, with one end of the fixing plate (9) extending above the foundation pit, and then the two limiting rods (10) are vertically passed through the fixing plate (9) and are rotatably connected to the two sliding blocks.

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