Multifunctional supporting construction device for underground foundation engineering

Abstract

The invention relates to the technical field of civil engineering construction, and discloses an underground foundation engineering multifunctional supporting construction device which comprises a base, a plurality of universal wheels are installed at the bottom of the base, fixing mechanisms are installed on the two sides of the base and used for supporting and fixing the device, and a pushing-out mechanism is installed on the middle side of the upper portion of the base and used for pushing out the device. The push-out mechanism comprises a lifting assembly and a push-out assembly and is used for lifting and pushing out the device during working, pressing plate mechanisms are installed at the two ends of the push-out mechanism and used for supporting and fixing the wall face during working, and limiting mechanisms are installed on the two sides of the upper portion of the base and used for limiting the pressing plate mechanisms during pushing-out. A lighting control mechanism is installed on the upper portion of the push-out mechanism. The device is adjusted to the proper height through the lifting assembly, then supporting operation is conducted through the push-out assembly, the supporting strength and position are accurately controlled, and the accuracy and adaptability of supporting construction are improved.

Description

Technical Field

[0001] This invention relates to the field of civil engineering construction technology, specifically to a multifunctional support construction device for underground foundation engineering. Background Technology

[0002] In the field of underground foundation construction in civil engineering, with the vigorous development of urban construction, the scale and depth of underground space development and utilization are constantly expanding, and various underground building projects such as subways, underground parking lots, and basements are increasing. This has put forward stringent requirements for the construction technology and equipment of underground foundation engineering. However, traditional underground foundation support construction devices have many drawbacks and are difficult to meet the complex and diverse construction needs of modern times.

[0003] On the one hand, traditional support construction equipment often only has a single support function and cannot take into account other key construction links such as material transportation, drilling and grouting, and on-site monitoring. In actual construction, this means that different equipment needs to be frequently changed to complete various tasks, which not only prolongs the construction cycle but also increases the cost of equipment allocation and management and reduces construction efficiency. On the other hand, the geological conditions in different regions vary greatly. Some areas have soft soil, while others have hard rock, and factors such as groundwater level and soil structure are also different. Traditional equipment is difficult to flexibly adjust to these complex and variable geological conditions. When facing special geological conditions, the support effect is poor, which can easily lead to safety hazards such as foundation pit collapse and deformation, affecting project quality and construction safety. In addition, in underground foundation construction, the installation accuracy of the support structure is crucial to the stability of the project. Traditional equipment lacks a precise positioning and adjustment system, making it difficult to accurately control the position and angle of the support components. This results in the support structure not being able to fit tightly with the foundation pit wall and not being able to evenly distribute soil pressure, thus affecting the support effect and potentially leading to uneven settlement and other problems in the later stages of the project.

[0004] Therefore, the purpose of this invention is to provide a multifunctional support construction device for underground foundation engineering to overcome the shortcomings of the prior art. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a multifunctional support construction device for underground foundation engineering, which solves the problem of poor support effect.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A multifunctional support construction device for underground foundation engineering includes a base with multiple casters at the bottom. Fixing mechanisms are installed on both sides of the base for supporting and fixing the device. A launching mechanism is installed on the upper middle side of the base, comprising a lifting component and a launching component for raising, lowering, and launching the device during operation. Pressure plate mechanisms are installed at both ends of the launching mechanism for supporting and fixing the wall surface during operation. Limiting mechanisms are installed on both sides of the upper base for limiting the pressure plate mechanisms during launch. A lighting control mechanism is installed on the upper part of the launching mechanism, comprising a lighting component and a control component for assisting the device's operation. Cleaning mechanisms are installed on both sides of the base for cleaning the pressure plate mechanisms. Auxiliary mechanisms are installed on both sides of the upper base for protecting the device during operation.

[0008] The fixing mechanism includes multiple fixing plates on both sides of the base, each fixing plate has a cylinder fixedly installed at its bottom, each cylinder's output end is fixedly connected to a support plate, each support plate has anti-slip texture at its bottom, and the base has multiple anchor rods installed at its bottom.

[0009] Preferably, the lifting component in the launching mechanism includes a support block installed on the upper middle side of the base. Each support block has a sliding groove on both sides. An electric push rod is fixedly installed at the bottom of each of the two sliding grooves, and a slider is fixedly connected to the output end of each of the two electric push rods.

[0010] Preferably, the ejection assembly includes motors that are fixedly mounted on one side of the slider, and threaded rods are fixedly connected to the output ends of both motors.

[0011] Preferably, the pressure plate mechanism includes push plates that are threaded to one end of the threaded rod. Multiple protrusions are installed on one side of each of the two push plates, shock-absorbing pads are provided on one side of each of the two push plates, and a pressure sensor is provided on the other side of each push plate. Rotary shafts are rotatably installed at both ends of each of the two push plates.

[0012] Preferably, the limiting mechanism includes two support plates mounted on both sides of the upper part of the base, a limiting plate mounted on the top of each of the two support plates, a limiting groove formed on one side of each of the two limiting plates, a limiting block slidably mounted inside each of the two limiting grooves, and a rotatable connection between one side of each of the two limiting blocks and a rotating shaft.

[0013] Preferably, the lighting component in the lighting control mechanism includes a fixed block installed on the upper part of the support block, and lighting lamps are provided on both sides of the fixed block.

[0014] Preferably, the control component includes a control panel installed on one side of the support block, with multiple control buttons on one side of the control panel, a connecting column installed on the upper side of the support block, and rainproof plates installed on both sides of the connecting column.

[0015] Preferably, the cleaning mechanism includes cleaning platforms installed on both sides of the base. Each of the two cleaning platforms has a fixing groove on one side of its upper part, and a rotating rod is rotatably installed on the other side of its upper part. A cleaning brush is fixedly installed on one side of each of the two rotating rods.

[0016] Preferably, multiple protective plates are installed on both sides of the upper part of the base, multiple connecting rods are provided between the multiple protective plates, and an alarm light is provided on one side of each of the multiple connecting rods.

[0017] Preferably, the two cleaning mechanisms are respectively located below the two pressure plate mechanisms.

[0018] This invention provides a multifunctional support construction device for underground foundation engineering. It has the following beneficial effects:

[0019] 1. This invention uses an electric push rod in the lifting assembly to push a slider to slide within a groove, thereby achieving the lifting and adjustment of the device. The motor in the ejection assembly drives a threaded rod to rotate, which in turn drives a push plate to support the wall surface. In actual construction, the device height and push plate position can be flexibly adjusted according to the depth of the pit and the condition of the wall surface. When constructing in a deeper pit, the lifting assembly is used to adjust the device to a suitable height before the ejection assembly is used for support operations. This allows for precise control of the support force and position, improving the accuracy and adaptability of the support construction and ensuring that the support effect meets engineering requirements.

[0020] 2. This invention enables flexible movement of the device through the universal wheels at the bottom of the base. In conjunction with the cylinder, support plate 1, and anchor rod in the fixing mechanism, the device can be quickly positioned and stabilized. In different construction sites, the device can be quickly moved into place. Subsequently, the fixing mechanism enhances stability and reduces the risk of displacement during construction. It can not only adapt to underground foundation engineering construction in various complex terrains, but also saves preparation time in the early stage of construction, effectively improves construction efficiency, reduces safety hazards caused by device fixing problems, and ensures the smooth progress of construction.

[0021] 3. This invention provides illumination when light is insufficient through the lighting control mechanism, and ensures effective control of lighting and other functions through the control panel and rainproof plate. At the same time, the cleaning brush of the cleaning mechanism can promptly clean debris from the surface of the pressure plate mechanism, and the fixing slot facilitates the storage of tools and debris. Furthermore, the protective plate, connecting rod and alarm light in the auxiliary mechanism form a protective barrier and issue warnings in case of abnormalities, improving the construction environment, extending the service life of the device, and enhancing construction safety, thus comprehensively ensuring the efficient and safe construction of underground foundation engineering. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present invention;

[0023] Figure 2 This is a schematic diagram of the fixing mechanism of the present invention;

[0024] Figure 3 This is a schematic diagram of the ejection mechanism of the present invention;

[0025] Figure 4 This is a schematic diagram of the pressure plate mechanism of the present invention;

[0026] Figure 5 This is a schematic diagram of the limiting mechanism of the present invention;

[0027] Figure 6 This is a schematic diagram of the lighting control mechanism of the present invention;

[0028] Figure 7 This is a schematic diagram of the cleaning mechanism of the present invention;

[0029] Figure 8 This is a schematic diagram of the auxiliary mechanism of the present invention.

[0030] The components include: 1. Base; 2. Casters; 3. Fixing mechanism; 301. Fixing plate; 302. Cylinder; 303. Support plate one; 304. Anti-slip texture; 305. Anchor rod; 4. Pushing mechanism; 401. Support block; 402. Slide groove one; 403. Electric push rod; 404. Slider; 405. Motor; 406. Threaded rod; 5. Pressure plate mechanism; 501. Push plate; 502. Protrusion; 503. Shock-absorbing pad; 504. Pressure sensor; 505. Rotating shaft; 6. Limiting device. 600. Support plate 2; 601. Limiting plate; 602. Limiting groove; 603. Limiting block; 7. Lighting control mechanism; 701. Fixing block; 702. Lighting lamp; 703. Control panel; 704. Control button; 705. Connecting column; 706. Rainproof plate; 8. Cleaning mechanism; 801. Cleaning platform; 802. Fixing groove; 803. Rotating rod; 804. Cleaning brush; 9. Auxiliary mechanism; 901. Protective plate; 902. Connecting rod; 903. Alarm light. Detailed Implementation

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Please see the appendix Figure 1 -Appendix Figure 8 This invention provides a multifunctional support construction device for underground foundation engineering, including a base 1, multiple casters 2 installed at the bottom of the base 1, fixing mechanisms 3 installed on both sides of the base 1 for supporting and fixing the device, a pushing mechanism 4 installed on the upper middle side of the base 1, the pushing mechanism 4 including a lifting component and a pushing component, for lifting and pushing the device during operation, pressure plate mechanisms 5 installed at both ends of the pushing mechanism 4 for supporting and fixing the wall surface during operation, limit mechanisms 6 installed on both sides of the upper part of the base 1 for limiting the pressure plate mechanism 5 during pushing, a lighting control mechanism 7 installed on the upper part of the pushing mechanism 4, the lighting control mechanism 7 including a lighting component and a control component for assisting the operation of the device, cleaning mechanisms 8 installed on both sides of the base 1 for cleaning the pressure plate mechanism 5, and auxiliary mechanisms 9 installed on both sides of the upper part of the base 1 for protecting the operation of the device.

[0033] The fixing mechanism 3 includes multiple fixing plates 301 on both sides of the base 1. Each fixing plate 301 has a cylinder 302 fixedly installed at its bottom. Each cylinder 302 has a support plate 303 fixedly connected to its output end. Each support plate 303 has anti-slip texture 304 at its bottom. Multiple anchor rods 305 are installed at the bottom of the base 1.

[0034] Specifically, multiple fixing plates 301 on both sides of the base 1 provide stable connection points for fixing operations. The cylinder 302 fixedly installed at the bottom of the fixing plate 301 pushes the support plate 303 downward. The anti-slip texture 304 set at the bottom of the support plate 303 increases the friction between it and the ground, preventing the device from sliding during construction. At the same time, multiple anchor rods 305 installed at the bottom of the base 1 firmly fix the device to the ground, effectively enhancing the stability of the device and ensuring that it remains stable under various complex construction conditions, avoiding the impact of displacement or shaking on construction quality and safety.

[0035] The lifting component in the launching mechanism 4 includes a support block 401 installed on the upper middle side of the base 1. The support block 401 has a slide groove 402 on both sides. An electric push rod 403 is fixedly installed at the bottom of the two slide grooves 402. A slider 404 is fixedly connected to the output end of the two electric push rods 403.

[0036] Specifically, two electric push rods 403 are fixedly installed at the bottom of the slide 402. The electric push rods 403 can precisely control the lifting height of the slider 404 according to construction needs. When the height of the device needs to be adjusted, the output end of the electric push rod 403 is activated to push the slider 404 to slide up or down along the slide 402, so that the device can adapt to the construction of foundation pits of different depths. Whether it is a shallow foundation pit or a deep foundation pit, the device can be adjusted to a suitable height through the lifting component, providing convenient conditions for subsequent construction operations.

[0037] The ejection assembly includes motors 405 that are fixedly mounted on one side of slider 404, and threaded rods 406 are fixedly connected to the output ends of both motors 405.

[0038] Specifically, the output ends of the two motors 405 are respectively fixedly connected to threaded rods 406. The threaded rods 406 rotate under the drive of the motors 405. As the threaded rods 406 rotate, the push plate 501 moves along the axial direction of the threaded rods 406, thereby realizing the action of pushing the push plate 501 towards the wall. This ensures the stability and accuracy of the push plate 501 during the pushing process, enabling the device to accurately support the wall and meet the requirements of support force and position in different construction scenarios.

[0039] The pressure plate mechanism 5 includes push plates 501 that are threaded to one end of the threaded rod 406. Multiple protrusions 502 are installed on one side of each of the two push plates 501. Shock-absorbing pads 503 are provided on one side of each of the two push plates 501. Pressure sensors 504 are provided on the other side of the push plates 501. Rotary shafts 505 are rotatably installed at both ends of the two push plates 501.

[0040] Specifically, the push plate 501 is threadedly connected to one end of the threaded rod 406. Under the rotation of the threaded rod 406, the push plate 501 moves towards the wall. Multiple protrusions 502 installed on one side of the push plate 501 increase the friction between the push plate 501 and the wall. When the push plate 501 contacts the wall, the protrusions 502 can embed into tiny gaps or uneven areas of the wall, effectively preventing relative sliding between the push plate 501 and the wall, thus improving the reliability of the support. The shock-absorbing pad 503 is installed on the side of the push plate 501 that contacts the wall, and its function is to buffer the impact force generated when the push plate 501 contacts the wall. The pressure sensor 504 is installed on the other side of the push plate 501. On the other side, it can monitor the pressure of the push plate 501 on the wall surface in real time. Construction personnel can accurately understand the pressure situation during the support process through the data fed back by the pressure sensor 504. When the pressure reaches the preset reasonable range, the push plate 501 can be stopped from being pushed out, so as to avoid excessive pressure and damage to the wall surface, and ensure that the support effect meets the engineering requirements. The rotating shafts 505 installed at both ends of the push plate 501 are rotatably connected to the limit blocks 603 in the limit mechanism 6. This allows the push plate 501 to maintain a stable direction during the push-out process and can only move along the direction limited by the limit groove 602, further ensuring the stability and accuracy of the push plate 501 being pushed out.

[0041] The limiting mechanism 6 includes two support plates 600 mounted on both sides of the upper part of the base 1. Each of the two support plates 600 has a limiting plate 601 mounted on its top. Each of the two limiting plates 601 has a limiting groove 602 on one side. Each of the two limiting grooves 602 has a limiting block 603 slidably mounted inside it. Each of the two limiting blocks 603 has one side rotatably connected to the rotating shaft 505.

[0042] Specifically, the limiting block 603 slides inside the limiting groove 602, and one side of it is rotatably connected to the rotating shaft 505 rotatably mounted at both ends of the push plate 501. When the push plate 501 is pushed out towards the wall under the drive of the threaded rod 406, the limiting block 603 slides in the limiting groove 602 as the push plate 501 moves, so that the limiting block 603 can only move in a specific direction. This ensures that the push plate 501 can only move along the direction defined by the limiting groove 602 during the pushing process, effectively preventing the push plate 501 from deviating or shaking, ensuring that the push plate 501 can accurately support the wall, and improving the accuracy and stability of the support.

[0043] The lighting components in the lighting control mechanism 7 include a fixing block 701 installed on the upper part of the support block 401, and lighting lamps 702 are provided on both sides of the fixing block 701;

[0044] Specifically, the lighting lamps 702 installed on both sides of the fixing block 701 can illuminate every corner of the construction site, provide a clear view for construction workers, facilitate various operations, ensure that the entire construction area is adequately lit, and improve the safety and efficiency of construction.

[0045] The control components include a control panel 703 installed on one side of the support block 401, a plurality of control buttons 704 provided on one side of the control panel 703, a connecting column 705 installed on one side of the upper part of the support block 401, and rainproof plates 706 installed on both sides of the connecting column 705.

[0046] Specifically, the control panel 703 is installed on one side of the support block 401, and multiple control buttons 704 are set on its surface. Construction personnel can easily control the on / off operation and brightness adjustment of the lighting 702 through these control buttons 704. The connecting column 705 is installed on the upper side of the support block 401, and the rainproof plates 706 installed on both sides of it play an important protective role. The rainproof plates 706 can effectively block rainwater and prevent rainwater from splashing directly onto the control panel 703, protecting the electronic components inside the control panel 703 from rainwater corrosion, ensuring that the control panel 703 can work normally, and thus ensuring effective control of the lighting and other functions of the entire device.

[0047] The cleaning mechanism 8 includes cleaning platforms 801 installed on both sides of the base 1. Each of the two cleaning platforms 801 has a fixing groove 802 on one side of its upper part, and a rotating rod 803 is rotatably installed on the other side of its upper part. Each of the two rotating rods 803 has a cleaning brush 804 fixedly installed on one side of its upper part.

[0048] The two cleaning mechanisms 8 are respectively located below the two pressure plate mechanisms 5.

[0049] Specifically, the cleaning platform 801 is installed on both sides of the base 1, providing a platform for cleaning operations. The fixing groove 802 on one side of the upper part of the cleaning platform 801 can be used to place cleaning tools, such as brushes and shovels, for easy access by construction personnel. At the same time, the fixing groove 802 can also collect the debris cleaned up, keeping the construction site clean. The rotating rod 803 is rotatably installed on the other side of the upper part of the cleaning platform 801, and a cleaning brush 804 is fixedly installed on one side. During the construction process, when the pressure plate mechanism 5 contacts and separates from the wall, dirt, dust and other debris may adhere to the surface. Construction personnel can rotate the rotating rod 803 to drive the cleaning brush 804 to rotate and clean the surface of the pressure plate mechanism 5. The cleaning brush 804 can effectively remove debris from the surface of the pressure plate mechanism 5, keep the pressure plate mechanism 5 clean, and help improve the working performance and service life of the pressure plate mechanism 5.

[0050] Multiple protective plates 901 are installed on both sides of the upper part of the base 1. Multiple connecting rods 902 are provided between the multiple protective plates 901. An alarm light 903 is provided on one side of each of the multiple connecting rods 902.

[0051] Specifically, multiple protective plates 901 installed on both sides of the upper part of the base 1 are connected to each other by connecting rods 902 to form a protective barrier. During construction, the protective plates 901 can block debris. An alarm light 903 is installed on one side of the connecting rod 902. When the pressure sensor 504 detects abnormal pressure, tilting of the device, or other malfunctions, the alarm light 903 will emit a warning light. The alarm light 903 can attract the attention of construction personnel, remind them to deal with abnormal situations in time, avoid accidents, and ensure the safe progress of construction.

[0052] Working principle: Before construction, the device is first moved to the construction position by multiple casters 2 installed at the bottom of the base 1. After arriving at the designated location, the cylinders 302 at the bottom of multiple fixing plates 301 on both sides of the base 1 push the support plate 303 downward until the anti-slip texture 304 at the bottom of the support plate 303 is in close contact with the ground, providing initial support for the device. At the same time, the stability of the device is further enhanced by multiple anchor rods 305 installed at the bottom of the base 1, preventing displacement or shaking during construction.

[0053] After the device is fixed, when the height of the device needs to be adjusted, the electric push rod 403 installed at the bottom of the slide groove 402 on both sides of the support block 401 pushes the slider 404 to slide up and down in the slide groove 402, thereby driving the entire push assembly and the connected pressure plate mechanism 5 and other components to rise and fall, so that the device reaches the appropriate construction height.

[0054] When wall support is required, the motor 405 installed on one side of the slider 404 operates, and the output end of the motor 405 drives the threaded rod 406 to rotate. Since the push plate 501 is threadedly connected to one end of the threaded rod 406, the rotation of the threaded rod 406 pushes the push plate 501 to move along the axial direction of the threaded rod 406 and push it out towards the wall. During the movement of the push plate 501, a limiting block 603 is slidably installed in the limiting groove 602 opened on one side of the limiting plate 601 installed on the top of the support plates 600 on both sides of the upper part of the base 1. At the same time, the limiting block 603 is connected to the rotating shaft 505 rotatably installed at both ends of the push plate 501 through the limiting block 603, so that the push plate 501 can only move along the direction limited by the limiting groove 602 during the push-out process, ensuring the stability and accuracy of the push plate 501 push-out and avoiding deviation.

[0055] Multiple protrusions 502 installed on one side of the push plate 501 increase the friction between the push plate 501 and the wall surface when the push plate 501 contacts the wall surface, improving the reliability of the support. The shock-absorbing pads 503 set on one side of the push plate 501 can buffer the impact force when the push plate 501 contacts the wall surface, protecting the wall surface from damage and reducing the wear of the push plate 501 itself. The pressure sensor 504 set on the other side of the push plate 501 monitors the pressure of the push plate 501 on the wall surface in real time and feeds the pressure data back to the operator or control system. When the pressure reaches the preset reasonable range, the push plate 501 can be stopped from pushing out, ensuring the support effect while avoiding excessive pressure that could damage the wall surface.

[0056] During construction, when there is insufficient light, the lighting 702 installed on both sides of the fixing block 701 on the upper part of the support block 401 can provide lighting for the construction site after the operator turns it on by the control button 704 on the control panel 703. The rainproof plates 706 on both sides of the connecting column 705 installed on the upper side of the support block 401 can prevent rainwater from entering the control panel 703, protect the electronic components inside the control panel 703, ensure its normal operation, and thus ensure effective control of the lighting and other functions of the entire device.

[0057] As construction progresses, during the contact and separation processes between the pressure plate mechanism 5 and the wall surface, dirt, dust, and other debris may adhere to its surface. This can be addressed by rotating the rotating rod 803 installed on the other side of the upper part of the cleaning table 801, which in turn drives the cleaning brush 804 fixedly installed on one side of the rotating rod 803 to rotate. During the rotation of the cleaning brush 804, the surface of the pressure plate mechanism 5 can be cleaned to remove the attached debris. At the same time, the fixing groove 802 opened on one side of the upper part of the cleaning table 801 can be used to place cleaning tools or collect the cleaned debris, keeping the construction site clean and also helping to improve the working performance and service life of the pressure plate mechanism 5.

[0058] In addition, multiple protective plates 901 installed on both sides of the upper part of the base 1 are connected to each other by connecting rods 902 to form a protective barrier to prevent debris from flying during construction and causing injury to surrounding personnel and equipment. Furthermore, an alarm light 903 installed on one side of the connecting rod 902 will emit a warning light when the device malfunctions, such as when the pressure sensor 504 detects abnormal pressure or the device tilts, to remind the operator to handle the situation in time and ensure construction safety.

[0059] In summary, a multi-functional support construction device for underground foundation engineering, through the coordinated action of multiple mechanisms including fixing mechanism 3, pushing mechanism 4, limiting mechanism 6, lighting control mechanism 7, cleaning mechanism 8, and auxiliary mechanism 9, achieves functions ranging from device positioning and fixing, wall support construction, to lighting assistance, cleaning and maintenance, and safety protection. It effectively improves the efficiency and safety of underground foundation engineering construction and meets the complex construction needs of underground foundation engineering.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multifunctional support construction device for underground foundation engineering, characterized in that, Includes a base (1), with multiple casters (2) installed at the bottom of the base (1), and fixing mechanisms (3) installed on both sides of the base (1) for supporting and fixing the device. A push-out mechanism (4) is installed on the upper middle side of the base (1), which includes a lifting component and a push-out component for lifting and pushing the device during operation. Pressure plate mechanisms (5) are installed at both ends of the push-out mechanism (4) for supporting and fixing the wall surface during operation. Limiting mechanisms (6) are installed on both sides of the upper part of the base (1) for limiting the pressure plate mechanism (5) during push-out. A lighting control mechanism (7) is installed on the upper part of the push-out mechanism (4), which includes a lighting component and a control component for assisting the operation of the device. Cleaning mechanisms (8) are installed on both sides of the base (1) for cleaning the pressure plate mechanism (5). Auxiliary mechanisms (9) are installed on both sides of the upper part of the base (1) for protecting the device during operation. The fixing mechanism (3) includes multiple fixing plates (301) on both sides of the base (1). Each of the multiple fixing plates (301) has a cylinder (302) fixedly installed at its bottom. Each of the multiple cylinders (302) has a support plate (303) fixedly connected to its output end. Each of the multiple support plates (303) has anti-slip texture (304) at its bottom. Each of the base (1) has multiple anchor rods (305) installed at its bottom.

2. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The lifting assembly in the ejection mechanism (4) includes a support block (401) installed on the upper middle side of the base (1). The support block (401) has a slide groove (402) on both sides. An electric push rod (403) is fixedly installed at the bottom of the two slide grooves (402). A slider (404) is fixedly connected to the output end of the two electric push rods (403).

3. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The ejection assembly includes motors (405) that are fixedly installed on one side of the slider (404), and the output ends of the two motors (405) are fixedly connected to threaded rods (406).

4. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The pressure plate mechanism (5) includes push plates (501) that are threaded to one end of the threaded rod (406). Multiple protrusions (502) are installed on one side of each of the two push plates (501). Shock-absorbing pads (503) are provided on one side of each of the two push plates (501). A pressure sensor (504) is provided on the other side of each push plate (501). Rotary shafts (505) are rotatably installed at both ends of each of the two push plates (501).

5. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The limiting mechanism (6) includes two support plates (600) installed on both sides of the upper part of the base (1). Each of the two support plates (600) has a limiting plate (601) installed at its top. Each of the two limiting plates (601) has a limiting groove (602) on one side. Each of the two limiting grooves (602) has a limiting block (603) slidably installed inside. Each of the two limiting blocks (603) has one side rotatably connected to the rotating shaft (505).

6. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The lighting components in the lighting control mechanism (7) include a fixed block (701) installed on the upper part of the support block (401), and lighting lamps (702) are provided on both sides of the fixed block (701).

7. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The control component includes a control panel (703) installed on one side of the support block (401), a plurality of control buttons (704) are provided on one side of the control panel (703), a connecting column (705) is installed on the upper side of the support block (401), and rainproof plates (706) are installed on both sides of the connecting column (705).

8. The multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The cleaning mechanism (8) includes cleaning platforms (801) installed on both sides of the base (1). Each of the two cleaning platforms (801) has a fixed groove (802) on one side of its upper part, and a rotating rod (803) is rotatably installed on the other side of its upper part. Each of the two rotating rods (803) has a cleaning brush (804) fixedly installed on one side.

9. A multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, Multiple protective plates (901) are installed on both sides of the upper part of the base (1), and multiple connecting rods (902) are provided between the multiple protective plates (901). An alarm light (903) is provided on one side of each of the multiple connecting rods (902).

10. A multifunctional support construction device for underground foundation engineering according to claim 1, characterized in that, The two cleaning mechanisms (8) are respectively located below the two pressure plate mechanisms (5).

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